Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1 | typedef unsigned char uint8_t; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2 | typedef signed char int8_t; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 3 | typedef unsigned short uint16_t; |
| 4 | typedef signed short int16_t; |
| 5 | typedef unsigned int uint32_t; |
| 6 | typedef signed int int32_t; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 7 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 8 | typedef unsigned char uint_least8_t; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 9 | typedef signed char int_least8_t; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 10 | typedef unsigned short uint_least16_t; |
| 11 | typedef signed short int_least16_t; |
| 12 | typedef unsigned int uint_least32_t; |
| 13 | typedef signed int int_least32_t; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 14 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 15 | typedef unsigned char uint_fast8_t; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 16 | typedef signed char int_fast8_t; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 17 | typedef unsigned int uint_fast16_t; |
| 18 | typedef signed int int_fast16_t; |
| 19 | typedef unsigned int uint_fast32_t; |
| 20 | typedef signed int int_fast32_t; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 21 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 22 | typedef int intptr_t; |
| 23 | typedef unsigned int uintptr_t; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 24 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 25 | typedef long int intmax_t; |
| 26 | typedef unsigned long int uintmax_t; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 27 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 28 | static inline unsigned long apic_read(unsigned long reg) |
| 29 | { |
| 30 | return *((volatile unsigned long *)(0xfee00000 +reg)); |
| 31 | } |
| 32 | static inline void apic_write(unsigned long reg, unsigned long v) |
| 33 | { |
| 34 | *((volatile unsigned long *)(0xfee00000 +reg)) = v; |
| 35 | } |
| 36 | static inline void apic_wait_icr_idle(void) |
| 37 | { |
| 38 | do { } while ( apic_read( 0x300 ) & 0x01000 ); |
| 39 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 40 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 41 | static void outb(unsigned char value, unsigned short port) |
| 42 | { |
| 43 | __builtin_outb(value, port); |
| 44 | } |
| 45 | static void outw(unsigned short value, unsigned short port) |
| 46 | { |
| 47 | __builtin_outw(value, port); |
| 48 | } |
| 49 | static void outl(unsigned int value, unsigned short port) |
| 50 | { |
| 51 | __builtin_outl(value, port); |
| 52 | } |
| 53 | static unsigned char inb(unsigned short port) |
| 54 | { |
| 55 | return __builtin_inb(port); |
| 56 | } |
| 57 | static unsigned char inw(unsigned short port) |
| 58 | { |
| 59 | return __builtin_inw(port); |
| 60 | } |
| 61 | static unsigned char inl(unsigned short port) |
| 62 | { |
| 63 | return __builtin_inl(port); |
| 64 | } |
| 65 | static inline void outsb(uint16_t port, const void *addr, unsigned long count) |
| 66 | { |
| 67 | __asm__ __volatile__ ( |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 68 | "cld ; rep ; outsb " |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 69 | : "=S" (addr), "=c" (count) |
| 70 | : "d"(port), "0"(addr), "1" (count) |
| 71 | ); |
| 72 | } |
| 73 | static inline void outsw(uint16_t port, const void *addr, unsigned long count) |
| 74 | { |
| 75 | __asm__ __volatile__ ( |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 76 | "cld ; rep ; outsw " |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 77 | : "=S" (addr), "=c" (count) |
| 78 | : "d"(port), "0"(addr), "1" (count) |
| 79 | ); |
| 80 | } |
| 81 | static inline void outsl(uint16_t port, const void *addr, unsigned long count) |
| 82 | { |
| 83 | __asm__ __volatile__ ( |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 84 | "cld ; rep ; outsl " |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 85 | : "=S" (addr), "=c" (count) |
| 86 | : "d"(port), "0"(addr), "1" (count) |
| 87 | ); |
| 88 | } |
| 89 | static inline void insb(uint16_t port, void *addr, unsigned long count) |
| 90 | { |
| 91 | __asm__ __volatile__ ( |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 92 | "cld ; rep ; insb " |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 93 | : "=D" (addr), "=c" (count) |
| 94 | : "d"(port), "0"(addr), "1" (count) |
| 95 | ); |
| 96 | } |
| 97 | static inline void insw(uint16_t port, void *addr, unsigned long count) |
| 98 | { |
| 99 | __asm__ __volatile__ ( |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 100 | "cld ; rep ; insw " |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 101 | : "=D" (addr), "=c" (count) |
| 102 | : "d"(port), "0"(addr), "1" (count) |
| 103 | ); |
| 104 | } |
| 105 | static inline void insl(uint16_t port, void *addr, unsigned long count) |
| 106 | { |
| 107 | __asm__ __volatile__ ( |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 108 | "cld ; rep ; insl " |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 109 | : "=D" (addr), "=c" (count) |
| 110 | : "d"(port), "0"(addr), "1" (count) |
| 111 | ); |
| 112 | } |
| 113 | static inline void pnp_write_config(unsigned char port, unsigned char value, unsigned char reg) |
| 114 | { |
| 115 | outb(reg, port); |
| 116 | outb(value, port +1); |
| 117 | } |
| 118 | static inline unsigned char pnp_read_config(unsigned char port, unsigned char reg) |
| 119 | { |
| 120 | outb(reg, port); |
| 121 | return inb(port +1); |
| 122 | } |
| 123 | static inline void pnp_set_logical_device(unsigned char port, int device) |
| 124 | { |
| 125 | pnp_write_config(port, device, 0x07); |
| 126 | } |
| 127 | static inline void pnp_set_enable(unsigned char port, int enable) |
| 128 | { |
| 129 | pnp_write_config(port, enable?0x1:0x0, 0x30); |
| 130 | } |
| 131 | static inline int pnp_read_enable(unsigned char port) |
| 132 | { |
| 133 | return !!pnp_read_config(port, 0x30); |
| 134 | } |
| 135 | static inline void pnp_set_iobase0(unsigned char port, unsigned iobase) |
| 136 | { |
| 137 | pnp_write_config(port, (iobase >> 8) & 0xff, 0x60); |
| 138 | pnp_write_config(port, iobase & 0xff, 0x61); |
| 139 | } |
| 140 | static inline void pnp_set_iobase1(unsigned char port, unsigned iobase) |
| 141 | { |
| 142 | pnp_write_config(port, (iobase >> 8) & 0xff, 0x62); |
| 143 | pnp_write_config(port, iobase & 0xff, 0x63); |
| 144 | } |
| 145 | static inline void pnp_set_irq0(unsigned char port, unsigned irq) |
| 146 | { |
| 147 | pnp_write_config(port, irq, 0x70); |
| 148 | } |
| 149 | static inline void pnp_set_irq1(unsigned char port, unsigned irq) |
| 150 | { |
| 151 | pnp_write_config(port, irq, 0x72); |
| 152 | } |
| 153 | static inline void pnp_set_drq(unsigned char port, unsigned drq) |
| 154 | { |
| 155 | pnp_write_config(port, drq & 0xff, 0x74); |
| 156 | } |
| 157 | static void hlt(void) |
| 158 | { |
| 159 | __builtin_hlt(); |
| 160 | } |
| 161 | typedef __builtin_div_t div_t; |
| 162 | typedef __builtin_ldiv_t ldiv_t; |
| 163 | typedef __builtin_udiv_t udiv_t; |
| 164 | typedef __builtin_uldiv_t uldiv_t; |
| 165 | static div_t div(int numer, int denom) |
| 166 | { |
| 167 | return __builtin_div(numer, denom); |
| 168 | } |
| 169 | static ldiv_t ldiv(long numer, long denom) |
| 170 | { |
| 171 | return __builtin_ldiv(numer, denom); |
| 172 | } |
| 173 | static udiv_t udiv(unsigned numer, unsigned denom) |
| 174 | { |
| 175 | return __builtin_udiv(numer, denom); |
| 176 | } |
| 177 | static uldiv_t uldiv(unsigned long numer, unsigned long denom) |
| 178 | { |
| 179 | return __builtin_uldiv(numer, denom); |
| 180 | } |
| 181 | int log2(int value) |
| 182 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 183 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 184 | return __builtin_bsr(value); |
| 185 | } |
| 186 | typedef unsigned device_t; |
| 187 | static unsigned char pci_read_config8(device_t dev, unsigned where) |
| 188 | { |
| 189 | unsigned addr; |
| 190 | addr = dev | where; |
| 191 | outl(0x80000000 | (addr & ~3), 0xCF8); |
| 192 | return inb(0xCFC + (addr & 3)); |
| 193 | } |
| 194 | static unsigned short pci_read_config16(device_t dev, unsigned where) |
| 195 | { |
| 196 | unsigned addr; |
| 197 | addr = dev | where; |
| 198 | outl(0x80000000 | (addr & ~3), 0xCF8); |
| 199 | return inw(0xCFC + (addr & 2)); |
| 200 | } |
| 201 | static unsigned int pci_read_config32(device_t dev, unsigned where) |
| 202 | { |
| 203 | unsigned addr; |
| 204 | addr = dev | where; |
| 205 | outl(0x80000000 | (addr & ~3), 0xCF8); |
| 206 | return inl(0xCFC); |
| 207 | } |
| 208 | static void pci_write_config8(device_t dev, unsigned where, unsigned char value) |
| 209 | { |
| 210 | unsigned addr; |
| 211 | addr = dev | where; |
| 212 | outl(0x80000000 | (addr & ~3), 0xCF8); |
| 213 | outb(value, 0xCFC + (addr & 3)); |
| 214 | } |
| 215 | static void pci_write_config16(device_t dev, unsigned where, unsigned short value) |
| 216 | { |
| 217 | unsigned addr; |
| 218 | addr = dev | where; |
| 219 | outl(0x80000000 | (addr & ~3), 0xCF8); |
| 220 | outw(value, 0xCFC + (addr & 2)); |
| 221 | } |
| 222 | static void pci_write_config32(device_t dev, unsigned where, unsigned int value) |
| 223 | { |
| 224 | unsigned addr; |
| 225 | addr = dev | where; |
| 226 | outl(0x80000000 | (addr & ~3), 0xCF8); |
| 227 | outl(value, 0xCFC); |
| 228 | } |
| 229 | static device_t pci_locate_device(unsigned pci_id, device_t dev) |
| 230 | { |
| 231 | for(; dev <= ( ((( 255 ) & 0xFF) << 16) | ((( 31 ) & 0x1f) << 11) | ((( 7 ) & 0x7) << 8)) ; dev += ( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) ) { |
| 232 | unsigned int id; |
| 233 | id = pci_read_config32(dev, 0); |
| 234 | if (id == pci_id) { |
| 235 | return dev; |
| 236 | } |
| 237 | } |
| 238 | return (0xffffffffU) ; |
| 239 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 240 | |
| 241 | |
| 242 | |
| 243 | |
| 244 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 245 | static int uart_can_tx_byte(void) |
| 246 | { |
| 247 | return inb(1016 + 0x05 ) & 0x20; |
| 248 | } |
| 249 | static void uart_wait_to_tx_byte(void) |
| 250 | { |
| 251 | while(!uart_can_tx_byte()) |
| 252 | ; |
| 253 | } |
| 254 | static void uart_wait_until_sent(void) |
| 255 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 256 | while(!(inb(1016 + 0x05 ) & 0x40)) |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 257 | ; |
| 258 | } |
| 259 | static void uart_tx_byte(unsigned char data) |
| 260 | { |
| 261 | uart_wait_to_tx_byte(); |
| 262 | outb(data, 1016 + 0x00 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 263 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 264 | uart_wait_until_sent(); |
| 265 | } |
| 266 | static void uart_init(void) |
| 267 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 268 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 269 | outb(0x0, 1016 + 0x01 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 270 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 271 | outb(0x01, 1016 + 0x02 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 272 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 273 | outb(0x80 | 3 , 1016 + 0x03 ); |
| 274 | outb((115200/ 115200 ) & 0xFF, 1016 + 0x00 ); |
| 275 | outb(((115200/ 115200 ) >> 8) & 0xFF, 1016 + 0x01 ); |
| 276 | outb(3 , 1016 + 0x03 ); |
| 277 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 278 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 279 | static void __console_tx_byte(unsigned char byte) |
| 280 | { |
| 281 | uart_tx_byte(byte); |
| 282 | } |
| 283 | static void __console_tx_nibble(unsigned nibble) |
| 284 | { |
| 285 | unsigned char digit; |
| 286 | digit = nibble + '0'; |
| 287 | if (digit > '9') { |
| 288 | digit += 39; |
| 289 | } |
| 290 | __console_tx_byte(digit); |
| 291 | } |
| 292 | static void __console_tx_char(int loglevel, unsigned char byte) |
| 293 | { |
| 294 | if (8 > loglevel) { |
| 295 | uart_tx_byte(byte); |
| 296 | } |
| 297 | } |
| 298 | static void __console_tx_hex8(int loglevel, unsigned char value) |
| 299 | { |
| 300 | if (8 > loglevel) { |
| 301 | __console_tx_nibble((value >> 4U) & 0x0fU); |
| 302 | __console_tx_nibble(value & 0x0fU); |
| 303 | } |
| 304 | } |
| 305 | static void __console_tx_hex16(int loglevel, unsigned short value) |
| 306 | { |
| 307 | if (8 > loglevel) { |
| 308 | __console_tx_nibble((value >> 12U) & 0x0fU); |
| 309 | __console_tx_nibble((value >> 8U) & 0x0fU); |
| 310 | __console_tx_nibble((value >> 4U) & 0x0fU); |
| 311 | __console_tx_nibble(value & 0x0fU); |
| 312 | } |
| 313 | } |
| 314 | static void __console_tx_hex32(int loglevel, unsigned int value) |
| 315 | { |
| 316 | if (8 > loglevel) { |
| 317 | __console_tx_nibble((value >> 28U) & 0x0fU); |
| 318 | __console_tx_nibble((value >> 24U) & 0x0fU); |
| 319 | __console_tx_nibble((value >> 20U) & 0x0fU); |
| 320 | __console_tx_nibble((value >> 16U) & 0x0fU); |
| 321 | __console_tx_nibble((value >> 12U) & 0x0fU); |
| 322 | __console_tx_nibble((value >> 8U) & 0x0fU); |
| 323 | __console_tx_nibble((value >> 4U) & 0x0fU); |
| 324 | __console_tx_nibble(value & 0x0fU); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | static void do_console_tx_string(const char *str) __attribute__((noinline)) |
| 329 | { |
| 330 | unsigned char ch; |
| 331 | while((ch = *str++) != '\0') { |
| 332 | __console_tx_byte(ch); |
| 333 | } |
| 334 | } |
| 335 | static void __console_tx_string(int loglevel, const char *str) |
| 336 | { |
| 337 | if (8 > loglevel) { |
| 338 | do_console_tx_string(str); |
| 339 | } |
| 340 | } |
| 341 | static void print_emerg_char(unsigned char byte) { __console_tx_char(0 , byte); } |
| 342 | static void print_emerg_hex8(unsigned char value){ __console_tx_hex8(0 , value); } |
| 343 | static void print_emerg_hex16(unsigned short value){ __console_tx_hex16(0 , value); } |
| 344 | static void print_emerg_hex32(unsigned int value) { __console_tx_hex32(0 , value); } |
| 345 | static void print_emerg(const char *str) { __console_tx_string(0 , str); } |
| 346 | static void print_alert_char(unsigned char byte) { __console_tx_char(1 , byte); } |
| 347 | static void print_alert_hex8(unsigned char value) { __console_tx_hex8(1 , value); } |
| 348 | static void print_alert_hex16(unsigned short value){ __console_tx_hex16(1 , value); } |
| 349 | static void print_alert_hex32(unsigned int value) { __console_tx_hex32(1 , value); } |
| 350 | static void print_alert(const char *str) { __console_tx_string(1 , str); } |
| 351 | static void print_crit_char(unsigned char byte) { __console_tx_char(2 , byte); } |
| 352 | static void print_crit_hex8(unsigned char value) { __console_tx_hex8(2 , value); } |
| 353 | static void print_crit_hex16(unsigned short value){ __console_tx_hex16(2 , value); } |
| 354 | static void print_crit_hex32(unsigned int value) { __console_tx_hex32(2 , value); } |
| 355 | static void print_crit(const char *str) { __console_tx_string(2 , str); } |
| 356 | static void print_err_char(unsigned char byte) { __console_tx_char(3 , byte); } |
| 357 | static void print_err_hex8(unsigned char value) { __console_tx_hex8(3 , value); } |
| 358 | static void print_err_hex16(unsigned short value){ __console_tx_hex16(3 , value); } |
| 359 | static void print_err_hex32(unsigned int value) { __console_tx_hex32(3 , value); } |
| 360 | static void print_err(const char *str) { __console_tx_string(3 , str); } |
| 361 | static void print_warning_char(unsigned char byte) { __console_tx_char(4 , byte); } |
| 362 | static void print_warning_hex8(unsigned char value) { __console_tx_hex8(4 , value); } |
| 363 | static void print_warning_hex16(unsigned short value){ __console_tx_hex16(4 , value); } |
| 364 | static void print_warning_hex32(unsigned int value) { __console_tx_hex32(4 , value); } |
| 365 | static void print_warning(const char *str) { __console_tx_string(4 , str); } |
| 366 | static void print_notice_char(unsigned char byte) { __console_tx_char(5 , byte); } |
| 367 | static void print_notice_hex8(unsigned char value) { __console_tx_hex8(5 , value); } |
| 368 | static void print_notice_hex16(unsigned short value){ __console_tx_hex16(5 , value); } |
| 369 | static void print_notice_hex32(unsigned int value) { __console_tx_hex32(5 , value); } |
| 370 | static void print_notice(const char *str) { __console_tx_string(5 , str); } |
| 371 | static void print_info_char(unsigned char byte) { __console_tx_char(6 , byte); } |
| 372 | static void print_info_hex8(unsigned char value) { __console_tx_hex8(6 , value); } |
| 373 | static void print_info_hex16(unsigned short value){ __console_tx_hex16(6 , value); } |
| 374 | static void print_info_hex32(unsigned int value) { __console_tx_hex32(6 , value); } |
| 375 | static void print_info(const char *str) { __console_tx_string(6 , str); } |
| 376 | static void print_debug_char(unsigned char byte) { __console_tx_char(7 , byte); } |
| 377 | static void print_debug_hex8(unsigned char value) { __console_tx_hex8(7 , value); } |
| 378 | static void print_debug_hex16(unsigned short value){ __console_tx_hex16(7 , value); } |
| 379 | static void print_debug_hex32(unsigned int value) { __console_tx_hex32(7 , value); } |
| 380 | static void print_debug(const char *str) { __console_tx_string(7 , str); } |
| 381 | static void print_spew_char(unsigned char byte) { __console_tx_char(8 , byte); } |
| 382 | static void print_spew_hex8(unsigned char value) { __console_tx_hex8(8 , value); } |
| 383 | static void print_spew_hex16(unsigned short value){ __console_tx_hex16(8 , value); } |
| 384 | static void print_spew_hex32(unsigned int value) { __console_tx_hex32(8 , value); } |
| 385 | static void print_spew(const char *str) { __console_tx_string(8 , str); } |
| 386 | static void console_init(void) |
| 387 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 388 | static const char console_test[] = |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 389 | "\r\n\r\nLinuxBIOS-" |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 390 | "1.1.4" |
| 391 | ".0Fallback" |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 392 | " " |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 393 | "Thu Oct 9 20:29:48 MDT 2003" |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 394 | " starting...\r\n"; |
| 395 | print_info(console_test); |
| 396 | } |
| 397 | static void die(const char *str) |
| 398 | { |
| 399 | print_emerg(str); |
| 400 | do { |
| 401 | hlt(); |
| 402 | } while(1); |
| 403 | } |
| 404 | static void write_phys(unsigned long addr, unsigned long value) |
| 405 | { |
| 406 | asm volatile( |
| 407 | "movnti %1, (%0)" |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 408 | : |
| 409 | : "r" (addr), "r" (value) |
| 410 | : |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 411 | ); |
| 412 | } |
| 413 | static unsigned long read_phys(unsigned long addr) |
| 414 | { |
| 415 | volatile unsigned long *ptr; |
| 416 | ptr = (void *)addr; |
| 417 | return *ptr; |
| 418 | } |
| 419 | static void ram_fill(unsigned long start, unsigned long stop) |
| 420 | { |
| 421 | unsigned long addr; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 422 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 423 | print_debug("DRAM fill: "); |
| 424 | print_debug_hex32(start); |
| 425 | print_debug("-"); |
| 426 | print_debug_hex32(stop); |
| 427 | print_debug("\r\n"); |
| 428 | for(addr = start; addr < stop ; addr += 4) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 429 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 430 | if (!(addr & 0xffff)) { |
| 431 | print_debug_hex32(addr); |
| 432 | print_debug("\r"); |
| 433 | } |
| 434 | write_phys(addr, addr); |
| 435 | }; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 436 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 437 | print_debug_hex32(addr); |
| 438 | print_debug("\r\nDRAM filled\r\n"); |
| 439 | } |
| 440 | static void ram_verify(unsigned long start, unsigned long stop) |
| 441 | { |
| 442 | unsigned long addr; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 443 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 444 | print_debug("DRAM verify: "); |
| 445 | print_debug_hex32(start); |
| 446 | print_debug_char('-'); |
| 447 | print_debug_hex32(stop); |
| 448 | print_debug("\r\n"); |
| 449 | for(addr = start; addr < stop ; addr += 4) { |
| 450 | unsigned long value; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 451 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 452 | if (!(addr & 0xffff)) { |
| 453 | print_debug_hex32(addr); |
| 454 | print_debug("\r"); |
| 455 | } |
| 456 | value = read_phys(addr); |
| 457 | if (value != addr) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 458 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 459 | print_err_hex32(addr); |
| 460 | print_err_char(':'); |
| 461 | print_err_hex32(value); |
| 462 | print_err("\r\n"); |
| 463 | } |
| 464 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 465 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 466 | print_debug_hex32(addr); |
| 467 | print_debug("\r\nDRAM verified\r\n"); |
| 468 | } |
| 469 | void ram_check(unsigned long start, unsigned long stop) |
| 470 | { |
| 471 | int result; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 472 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 473 | print_debug("Testing DRAM : "); |
| 474 | print_debug_hex32(start); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 475 | print_debug("-"); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 476 | print_debug_hex32(stop); |
| 477 | print_debug("\r\n"); |
| 478 | ram_fill(start, stop); |
| 479 | ram_verify(start, stop); |
| 480 | print_debug("Done.\r\n"); |
| 481 | } |
| 482 | static int enumerate_ht_chain(unsigned link) |
| 483 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 484 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 485 | unsigned next_unitid, last_unitid; |
| 486 | int reset_needed = 0; |
| 487 | next_unitid = 1; |
| 488 | do { |
| 489 | uint32_t id; |
| 490 | uint8_t hdr_type, pos; |
| 491 | last_unitid = next_unitid; |
| 492 | id = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x00 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 493 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 494 | if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || |
| 495 | (((id >> 16) & 0xffff) == 0xffff) || |
| 496 | (((id >> 16) & 0xffff) == 0x0000)) { |
| 497 | break; |
| 498 | } |
| 499 | hdr_type = pci_read_config8(( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x0e ); |
| 500 | pos = 0; |
| 501 | hdr_type &= 0x7f; |
| 502 | if ((hdr_type == 0 ) || |
| 503 | (hdr_type == 1 )) { |
| 504 | pos = pci_read_config8(( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x34 ); |
| 505 | } |
| 506 | while(pos != 0) { |
| 507 | uint8_t cap; |
| 508 | cap = pci_read_config8(( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , pos + 0 ); |
| 509 | if (cap == 0x08 ) { |
| 510 | uint16_t flags; |
| 511 | flags = pci_read_config16(( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , pos + 2 ); |
| 512 | if ((flags >> 13) == 0) { |
| 513 | unsigned count; |
| 514 | flags &= ~0x1f; |
| 515 | flags |= next_unitid & 0x1f; |
| 516 | count = (flags >> 5) & 0x1f; |
| 517 | pci_write_config16(( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , pos + 2 , flags); |
| 518 | next_unitid += count; |
| 519 | break; |
| 520 | } |
| 521 | } |
| 522 | pos = pci_read_config8(( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , pos + 1 ); |
| 523 | } |
| 524 | } while((last_unitid != next_unitid) && (next_unitid <= 0x1f)); |
| 525 | return reset_needed; |
| 526 | } |
| 527 | static void enable_smbus(void) |
| 528 | { |
| 529 | device_t dev; |
| 530 | dev = pci_locate_device((((( 0x746b ) & 0xFFFF) << 16) | (( 0x1022 ) & 0xFFFF)) , 0); |
| 531 | if (dev == (0xffffffffU) ) { |
| 532 | die("SMBUS controller not found\r\n"); |
| 533 | } |
| 534 | uint8_t enable; |
| 535 | print_debug("SMBus controller enabled\r\n"); |
| 536 | pci_write_config32(dev, 0x58, 0x0f00 | 1); |
| 537 | enable = pci_read_config8(dev, 0x41); |
| 538 | pci_write_config8(dev, 0x41, enable | (1 << 7)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 539 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 540 | outw(inw(0x0f00 + 0xe0 ), 0x0f00 + 0xe0 ); |
| 541 | } |
| 542 | static inline void smbus_delay(void) |
| 543 | { |
| 544 | outb(0x80, 0x80); |
| 545 | } |
| 546 | static int smbus_wait_until_ready(void) |
| 547 | { |
| 548 | unsigned long loops; |
| 549 | loops = (100*1000*10) ; |
| 550 | do { |
| 551 | unsigned short val; |
| 552 | smbus_delay(); |
| 553 | val = inw(0x0f00 + 0xe0 ); |
| 554 | if ((val & 0x800) == 0) { |
| 555 | break; |
| 556 | } |
| 557 | if(loops == ((100*1000*10) / 2)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 558 | outw(inw(0x0f00 + 0xe0 ), |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 559 | 0x0f00 + 0xe0 ); |
| 560 | } |
| 561 | } while(--loops); |
| 562 | return loops?0:-2; |
| 563 | } |
| 564 | static int smbus_wait_until_done(void) |
| 565 | { |
| 566 | unsigned long loops; |
| 567 | loops = (100*1000*10) ; |
| 568 | do { |
| 569 | unsigned short val; |
| 570 | smbus_delay(); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 571 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 572 | val = inw(0x0f00 + 0xe0 ); |
| 573 | if (((val & 0x8) == 0) | ((val & 0x437) != 0)) { |
| 574 | break; |
| 575 | } |
| 576 | } while(--loops); |
| 577 | return loops?0:-3; |
| 578 | } |
| 579 | static int smbus_read_byte(unsigned device, unsigned address) |
| 580 | { |
| 581 | unsigned char global_control_register; |
| 582 | unsigned char global_status_register; |
| 583 | unsigned char byte; |
| 584 | if (smbus_wait_until_ready() < 0) { |
| 585 | return -2; |
| 586 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 587 | |
| 588 | |
| 589 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 590 | outw(inw(0x0f00 + 0xe2 ) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), 0x0f00 + 0xe2 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 591 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 592 | outw(((device & 0x7f) << 1) | 1, 0x0f00 + 0xe4 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 593 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 594 | outb(address & 0xFF, 0x0f00 + 0xe8 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 595 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 596 | outw((inw(0x0f00 + 0xe2 ) & ~7) | (0x2), 0x0f00 + 0xe2 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 597 | |
| 598 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 599 | outw(inw(0x0f00 + 0xe0 ), 0x0f00 + 0xe0 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 600 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 601 | outw(0, 0x0f00 + 0xe6 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 602 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 603 | outw((inw(0x0f00 + 0xe2 ) | (1 << 3)), 0x0f00 + 0xe2 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 604 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 605 | if (smbus_wait_until_done() < 0) { |
| 606 | return -3; |
| 607 | } |
| 608 | global_status_register = inw(0x0f00 + 0xe0 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 609 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 610 | byte = inw(0x0f00 + 0xe6 ) & 0xff; |
| 611 | if (global_status_register != (1 << 4)) { |
| 612 | return -1; |
| 613 | } |
| 614 | return byte; |
| 615 | } |
| 616 | static void smbus_write_byte(unsigned device, unsigned address, unsigned char val) |
| 617 | { |
| 618 | return; |
| 619 | } |
| 620 | struct mem_controller { |
| 621 | unsigned node_id; |
| 622 | device_t f0, f1, f2, f3; |
| 623 | uint8_t channel0[4]; |
| 624 | uint8_t channel1[4]; |
| 625 | }; |
| 626 | typedef __builtin_msr_t msr_t; |
| 627 | static msr_t rdmsr(unsigned long index) |
| 628 | { |
| 629 | return __builtin_rdmsr(index); |
| 630 | } |
| 631 | static void wrmsr(unsigned long index, msr_t msr) |
| 632 | { |
| 633 | __builtin_wrmsr(index, msr.lo, msr.hi); |
| 634 | } |
| 635 | struct tsc_struct { |
| 636 | unsigned lo; |
| 637 | unsigned hi; |
| 638 | }; |
| 639 | typedef struct tsc_struct tsc_t; |
| 640 | static tsc_t rdtsc(void) |
| 641 | { |
| 642 | tsc_t res; |
| 643 | asm ("rdtsc" |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 644 | : "=a" (res.lo), "=d"(res.hi) |
| 645 | : |
| 646 | : |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 647 | ); |
| 648 | return res; |
| 649 | } |
| 650 | void init_timer(void) |
| 651 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 652 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 653 | apic_write(0x320 , (1 << 17)|(1<< 16)|(0 << 12)|(0 << 0)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 654 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 655 | apic_write(0x3E0 , 0xB ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 656 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 657 | apic_write(0x380 , 0xffffffff); |
| 658 | } |
| 659 | void udelay(unsigned usecs) |
| 660 | { |
| 661 | uint32_t start, value, ticks; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 662 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 663 | ticks = usecs * 200; |
| 664 | start = apic_read(0x390 ); |
| 665 | do { |
| 666 | value = apic_read(0x390 ); |
| 667 | } while((start - value) < ticks); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 668 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 669 | } |
| 670 | void mdelay(unsigned msecs) |
| 671 | { |
| 672 | unsigned i; |
| 673 | for(i = 0; i < msecs; i++) { |
| 674 | udelay(1000); |
| 675 | } |
| 676 | } |
| 677 | void delay(unsigned secs) |
| 678 | { |
| 679 | unsigned i; |
| 680 | for(i = 0; i < secs; i++) { |
| 681 | mdelay(1000); |
| 682 | } |
| 683 | } |
| 684 | int boot_cpu(void) |
| 685 | { |
| 686 | volatile unsigned long *local_apic; |
| 687 | unsigned long apic_id; |
| 688 | int bsp; |
| 689 | msr_t msr; |
| 690 | msr = rdmsr(0x1b); |
| 691 | bsp = !!(msr.lo & (1 << 8)); |
| 692 | return bsp; |
| 693 | } |
| 694 | static int cpu_init_detected(void) |
| 695 | { |
| 696 | unsigned long htic; |
| 697 | htic = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6c ); |
| 698 | return !!(htic & (1<<6) ); |
| 699 | } |
| 700 | static int bios_reset_detected(void) |
| 701 | { |
| 702 | unsigned long htic; |
| 703 | htic = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6c ); |
| 704 | return (htic & (1<<4) ) && !(htic & (1<<5) ); |
| 705 | } |
| 706 | static int cold_reset_detected(void) |
| 707 | { |
| 708 | unsigned long htic; |
| 709 | htic = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6c ); |
| 710 | return !(htic & (1<<4) ); |
| 711 | } |
| 712 | static void distinguish_cpu_resets(unsigned node_id) |
| 713 | { |
| 714 | uint32_t htic; |
| 715 | device_t device; |
| 716 | device = ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 + node_id ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ; |
| 717 | htic = pci_read_config32(device, 0x6c ); |
| 718 | htic |= (1<<4) | (1<<5) | (1<<6) ; |
| 719 | pci_write_config32(device, 0x6c , htic); |
| 720 | } |
| 721 | static void set_bios_reset(void) |
| 722 | { |
| 723 | unsigned long htic; |
| 724 | htic = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6c ); |
| 725 | htic &= ~(1<<5) ; |
| 726 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6c , htic); |
| 727 | } |
| 728 | static void print_debug_pci_dev(unsigned dev) |
| 729 | { |
| 730 | print_debug("PCI: "); |
| 731 | print_debug_hex8((dev >> 16) & 0xff); |
| 732 | print_debug_char(':'); |
| 733 | print_debug_hex8((dev >> 11) & 0x1f); |
| 734 | print_debug_char('.'); |
| 735 | print_debug_hex8((dev >> 8) & 7); |
| 736 | } |
| 737 | static void print_pci_devices(void) |
| 738 | { |
| 739 | device_t dev; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 740 | for(dev = ( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ; |
| 741 | dev <= ( ((( 0 ) & 0xFF) << 16) | ((( 0x1f ) & 0x1f) << 11) | ((( 0x7 ) & 0x7) << 8)) ; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 742 | dev += ( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) ) { |
| 743 | uint32_t id; |
| 744 | id = pci_read_config32(dev, 0x00 ); |
| 745 | if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || |
| 746 | (((id >> 16) & 0xffff) == 0xffff) || |
| 747 | (((id >> 16) & 0xffff) == 0x0000)) { |
| 748 | continue; |
| 749 | } |
| 750 | print_debug_pci_dev(dev); |
| 751 | print_debug("\r\n"); |
| 752 | } |
| 753 | } |
| 754 | static void dump_pci_device(unsigned dev) |
| 755 | { |
| 756 | int i; |
| 757 | print_debug_pci_dev(dev); |
| 758 | print_debug("\r\n"); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 759 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 760 | for(i = 0; i <= 255; i++) { |
| 761 | unsigned char val; |
| 762 | if ((i & 0x0f) == 0) { |
| 763 | print_debug_hex8(i); |
| 764 | print_debug_char(':'); |
| 765 | } |
| 766 | val = pci_read_config8(dev, i); |
| 767 | print_debug_char(' '); |
| 768 | print_debug_hex8(val); |
| 769 | if ((i & 0x0f) == 0x0f) { |
| 770 | print_debug("\r\n"); |
| 771 | } |
| 772 | } |
| 773 | } |
| 774 | static void dump_pci_devices(void) |
| 775 | { |
| 776 | device_t dev; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 777 | for(dev = ( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ; |
| 778 | dev <= ( ((( 0 ) & 0xFF) << 16) | ((( 0x1f ) & 0x1f) << 11) | ((( 0x7 ) & 0x7) << 8)) ; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 779 | dev += ( ((( 0 ) & 0xFF) << 16) | ((( 0 ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) ) { |
| 780 | uint32_t id; |
| 781 | id = pci_read_config32(dev, 0x00 ); |
| 782 | if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || |
| 783 | (((id >> 16) & 0xffff) == 0xffff) || |
| 784 | (((id >> 16) & 0xffff) == 0x0000)) { |
| 785 | continue; |
| 786 | } |
| 787 | dump_pci_device(dev); |
| 788 | } |
| 789 | } |
| 790 | static void dump_spd_registers(const struct mem_controller *ctrl) |
| 791 | { |
| 792 | int i; |
| 793 | print_debug("\r\n"); |
| 794 | for(i = 0; i < 4; i++) { |
| 795 | unsigned device; |
| 796 | device = ctrl->channel0[i]; |
| 797 | if (device) { |
| 798 | int j; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 799 | print_debug("dimm: "); |
| 800 | print_debug_hex8(i); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 801 | print_debug(".0: "); |
| 802 | print_debug_hex8(device); |
| 803 | for(j = 0; j < 256; j++) { |
| 804 | int status; |
| 805 | unsigned char byte; |
| 806 | if ((j & 0xf) == 0) { |
| 807 | print_debug("\r\n"); |
| 808 | print_debug_hex8(j); |
| 809 | print_debug(": "); |
| 810 | } |
| 811 | status = smbus_read_byte(device, j); |
| 812 | if (status < 0) { |
| 813 | print_debug("bad device\r\n"); |
| 814 | break; |
| 815 | } |
| 816 | byte = status & 0xff; |
| 817 | print_debug_hex8(byte); |
| 818 | print_debug_char(' '); |
| 819 | } |
| 820 | print_debug("\r\n"); |
| 821 | } |
| 822 | device = ctrl->channel1[i]; |
| 823 | if (device) { |
| 824 | int j; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 825 | print_debug("dimm: "); |
| 826 | print_debug_hex8(i); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 827 | print_debug(".1: "); |
| 828 | print_debug_hex8(device); |
| 829 | for(j = 0; j < 256; j++) { |
| 830 | int status; |
| 831 | unsigned char byte; |
| 832 | if ((j & 0xf) == 0) { |
| 833 | print_debug("\r\n"); |
| 834 | print_debug_hex8(j); |
| 835 | print_debug(": "); |
| 836 | } |
| 837 | status = smbus_read_byte(device, j); |
| 838 | if (status < 0) { |
| 839 | print_debug("bad device\r\n"); |
| 840 | break; |
| 841 | } |
| 842 | byte = status & 0xff; |
| 843 | print_debug_hex8(byte); |
| 844 | print_debug_char(' '); |
| 845 | } |
| 846 | print_debug("\r\n"); |
| 847 | } |
| 848 | } |
| 849 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 850 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 851 | static unsigned int cpuid(unsigned int op) |
| 852 | { |
| 853 | unsigned int ret; |
| 854 | unsigned dummy2,dummy3,dummy4; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 855 | asm volatile ( |
| 856 | "cpuid" |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 857 | : "=a" (ret), "=b" (dummy2), "=c" (dummy3), "=d" (dummy4) |
| 858 | : "a" (op) |
| 859 | ); |
| 860 | return ret; |
| 861 | } |
| 862 | static int is_cpu_rev_a0(void) |
| 863 | { |
| 864 | return (cpuid(1) & 0xffff) == 0x0f10; |
| 865 | } |
| 866 | static int is_cpu_pre_c0(void) |
| 867 | { |
| 868 | return (cpuid(1) & 0xffef) < 0x0f48; |
| 869 | } |
| 870 | static void memreset_setup(void) |
| 871 | { |
| 872 | if (is_cpu_pre_c0()) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 873 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 874 | outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), 0x0f00 + 0xc0 + 28); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 875 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 876 | outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), 0x0f00 + 0xc0 + 29); |
| 877 | } |
| 878 | else { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 879 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 880 | outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), 0x0f00 + 0xc0 + 29); |
| 881 | } |
| 882 | } |
| 883 | static void memreset(int controllers, const struct mem_controller *ctrl) |
| 884 | { |
| 885 | if (is_cpu_pre_c0()) { |
| 886 | udelay(800); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 887 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 888 | outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), 0x0f00 + 0xc0 + 28); |
| 889 | udelay(90); |
| 890 | } |
| 891 | } |
| 892 | static unsigned int generate_row(uint8_t node, uint8_t row, uint8_t maxnodes) |
| 893 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 894 | |
| 895 | uint32_t ret=0x00010101; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 896 | static const unsigned int rows_2p[2][2] = { |
| 897 | { 0x00050101, 0x00010404 }, |
| 898 | { 0x00010404, 0x00050101 } |
| 899 | }; |
| 900 | if(maxnodes>2) { |
| 901 | print_debug("this mainboard is only designed for 2 cpus\r\n"); |
| 902 | maxnodes=2; |
| 903 | } |
| 904 | if (!(node>=maxnodes || row>=maxnodes)) { |
| 905 | ret=rows_2p[node][row]; |
| 906 | } |
| 907 | return ret; |
| 908 | } |
| 909 | static inline int spd_read_byte(unsigned device, unsigned address) |
| 910 | { |
| 911 | return smbus_read_byte(device, address); |
| 912 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 913 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 914 | static void coherent_ht_mainboard(unsigned cpus) |
| 915 | { |
| 916 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 917 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 918 | void cpu_ldtstop(unsigned cpus) |
| 919 | { |
| 920 | uint32_t tmp; |
| 921 | device_t dev; |
| 922 | unsigned cnt; |
| 923 | for(cnt=0; cnt<cpus; cnt++) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 924 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 925 | pci_write_config8(( ((( 0 ) & 0xFF) << 16) | ((( 24 ) & 0x1f) << 11) | ((( 3 ) & 0x7) << 8)) ,0x81,0x23); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 926 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 927 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24 ) & 0x1f) << 11) | ((( 3 ) & 0x7) << 8)) ,0xd4,0x00000701); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 928 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 929 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24 ) & 0x1f) << 11) | ((( 3 ) & 0x7) << 8)) ,0xd8,0x00000000); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 930 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 931 | tmp=pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24 ) & 0x1f) << 11) | ((( 2 ) & 0x7) << 8)) ,0x90); |
| 932 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24 ) & 0x1f) << 11) | ((( 2 ) & 0x7) << 8)) ,0x90, tmp | (1<<24) ); |
| 933 | } |
| 934 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 935 | |
| 936 | |
| 937 | |
| 938 | |
| 939 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 940 | static void setup_resource_map(const unsigned int *register_values, int max) |
| 941 | { |
| 942 | int i; |
| 943 | print_debug("setting up resource map....\r\n"); |
| 944 | for(i = 0; i < max; i += 3) { |
| 945 | device_t dev; |
| 946 | unsigned where; |
| 947 | unsigned long reg; |
| 948 | dev = register_values[i] & ~0xff; |
| 949 | where = register_values[i] & 0xff; |
| 950 | reg = pci_read_config32(dev, where); |
| 951 | reg &= register_values[i+1]; |
| 952 | reg |= register_values[i+2]; |
| 953 | pci_write_config32(dev, where, reg); |
| 954 | } |
| 955 | print_debug("done.\r\n"); |
| 956 | } |
| 957 | static void setup_default_resource_map(void) |
| 958 | { |
| 959 | static const unsigned int register_values[] = { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 960 | |
| 961 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 962 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x44 ) & 0xFF)) , 0x0000f8f8, 0x00000000, |
| 963 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x4C ) & 0xFF)) , 0x0000f8f8, 0x00000001, |
| 964 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x54 ) & 0xFF)) , 0x0000f8f8, 0x00000002, |
| 965 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x5C ) & 0xFF)) , 0x0000f8f8, 0x00000003, |
| 966 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x64 ) & 0xFF)) , 0x0000f8f8, 0x00000004, |
| 967 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x6C ) & 0xFF)) , 0x0000f8f8, 0x00000005, |
| 968 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x74 ) & 0xFF)) , 0x0000f8f8, 0x00000006, |
| 969 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x7C ) & 0xFF)) , 0x0000f8f8, 0x00000007, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 970 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 971 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x40 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 972 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x48 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 973 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x50 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 974 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x58 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 975 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x60 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 976 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x68 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 977 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x70 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 978 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x78 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 979 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 980 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x84 ) & 0xFF)) , 0x00000048, 0x00000000, |
| 981 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x8C ) & 0xFF)) , 0x00000048, 0x00000000, |
| 982 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x94 ) & 0xFF)) , 0x00000048, 0x00000000, |
| 983 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x9C ) & 0xFF)) , 0x00000048, 0x00000000, |
| 984 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xA4 ) & 0xFF)) , 0x00000048, 0x00000000, |
| 985 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xAC ) & 0xFF)) , 0x00000048, 0x00000000, |
| 986 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xB4 ) & 0xFF)) , 0x00000048, 0x00000000, |
| 987 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xBC ) & 0xFF)) , 0x00000048, 0x00ffff00, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 988 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 989 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x80 ) & 0xFF)) , 0x000000f0, 0x00000000, |
| 990 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x88 ) & 0xFF)) , 0x000000f0, 0x00000000, |
| 991 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x90 ) & 0xFF)) , 0x000000f0, 0x00000000, |
| 992 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x98 ) & 0xFF)) , 0x000000f0, 0x00000000, |
| 993 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xA0 ) & 0xFF)) , 0x000000f0, 0x00000000, |
| 994 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xA8 ) & 0xFF)) , 0x000000f0, 0x00000000, |
| 995 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xB0 ) & 0xFF)) , 0x000000f0, 0x00000000, |
| 996 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xB8 ) & 0xFF)) , 0x000000f0, 0x00fc0003, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 997 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 998 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xC4 ) & 0xFF)) , 0xFE000FC8, 0x01fff000, |
| 999 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xCC ) & 0xFF)) , 0xFE000FC8, 0x00000000, |
| 1000 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xD4 ) & 0xFF)) , 0xFE000FC8, 0x00000000, |
| 1001 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xDC ) & 0xFF)) , 0xFE000FC8, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1002 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1003 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xC0 ) & 0xFF)) , 0xFE000FCC, 0x00000003, |
| 1004 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xC8 ) & 0xFF)) , 0xFE000FCC, 0x00000000, |
| 1005 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xD0 ) & 0xFF)) , 0xFE000FCC, 0x00000000, |
| 1006 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xD8 ) & 0xFF)) , 0xFE000FCC, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1007 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1008 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xE0 ) & 0xFF)) , 0x0000FC88, 0xff000003, |
| 1009 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xE4 ) & 0xFF)) , 0x0000FC88, 0x00000000, |
| 1010 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xE8 ) & 0xFF)) , 0x0000FC88, 0x00000000, |
| 1011 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0xEC ) & 0xFF)) , 0x0000FC88, 0x00000000, |
| 1012 | }; |
| 1013 | int max; |
| 1014 | max = sizeof(register_values)/sizeof(register_values[0]); |
| 1015 | setup_resource_map(register_values, max); |
| 1016 | } |
| 1017 | static void sdram_set_registers(const struct mem_controller *ctrl) |
| 1018 | { |
| 1019 | static const unsigned int register_values[] = { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1020 | |
| 1021 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1022 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x44 ) & 0xFF)) , 0x0000f8f8, 0x00000000, |
| 1023 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x4C ) & 0xFF)) , 0x0000f8f8, 0x00000001, |
| 1024 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x54 ) & 0xFF)) , 0x0000f8f8, 0x00000002, |
| 1025 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x5C ) & 0xFF)) , 0x0000f8f8, 0x00000003, |
| 1026 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x64 ) & 0xFF)) , 0x0000f8f8, 0x00000004, |
| 1027 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x6C ) & 0xFF)) , 0x0000f8f8, 0x00000005, |
| 1028 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x74 ) & 0xFF)) , 0x0000f8f8, 0x00000006, |
| 1029 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x7C ) & 0xFF)) , 0x0000f8f8, 0x00000007, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1030 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1031 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x40 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 1032 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x48 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 1033 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x50 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 1034 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x58 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 1035 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x60 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 1036 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x68 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 1037 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x70 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
| 1038 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x07) << 8) | (( 0x78 ) & 0xFF)) , 0x0000f8fc, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1039 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1040 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x40 ) & 0xFF)) , 0x001f01fe, 0x00000000, |
| 1041 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x44 ) & 0xFF)) , 0x001f01fe, 0x00000000, |
| 1042 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x48 ) & 0xFF)) , 0x001f01fe, 0x00000000, |
| 1043 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x4C ) & 0xFF)) , 0x001f01fe, 0x00000000, |
| 1044 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x50 ) & 0xFF)) , 0x001f01fe, 0x00000000, |
| 1045 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x54 ) & 0xFF)) , 0x001f01fe, 0x00000000, |
| 1046 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x58 ) & 0xFF)) , 0x001f01fe, 0x00000000, |
| 1047 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x5C ) & 0xFF)) , 0x001f01fe, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1048 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1049 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x60 ) & 0xFF)) , 0xC01f01ff, 0x00000000, |
| 1050 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x64 ) & 0xFF)) , 0xC01f01ff, 0x00000000, |
| 1051 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x68 ) & 0xFF)) , 0xC01f01ff, 0x00000000, |
| 1052 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x6C ) & 0xFF)) , 0xC01f01ff, 0x00000000, |
| 1053 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x70 ) & 0xFF)) , 0xC01f01ff, 0x00000000, |
| 1054 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x74 ) & 0xFF)) , 0xC01f01ff, 0x00000000, |
| 1055 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x78 ) & 0xFF)) , 0xC01f01ff, 0x00000000, |
| 1056 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x7C ) & 0xFF)) , 0xC01f01ff, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1057 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1058 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x80 ) & 0xFF)) , 0xffff8888, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1059 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1060 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x88 ) & 0xFF)) , 0xe8088008, 0x02522001 , |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1061 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1062 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x8c ) & 0xFF)) , 0xff8fe08e, (0 << 20)|(0 << 8)|(0 << 4)|(0 << 0), |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1063 | |
| 1064 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x90 ) & 0xFF)) , 0xf0000000, |
| 1065 | (4 << 25)|(0 << 24)| |
| 1066 | (0 << 23)|(0 << 22)|(0 << 21)|(0 << 20)| |
| 1067 | (1 << 19)|(0 << 18)|(1 << 17)|(0 << 16)| |
| 1068 | (2 << 14)|(0 << 13)|(0 << 12)| |
| 1069 | (0 << 11)|(0 << 10)|(0 << 9)|(0 << 8)| |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1070 | (0 << 3) |(0 << 1) |(0 << 0), |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1071 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1072 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x94 ) & 0xFF)) , 0xc180f0f0, |
| 1073 | (0 << 29)|(0 << 28)|(0 << 27)|(0 << 26)|(0 << 25)| |
| 1074 | (0 << 20)|(0 << 19)|(3 << 16)|(0 << 8)|(0 << 0), |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1075 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1076 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x07) << 8) | (( 0x98 ) & 0xFF)) , 0xfc00ffff, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1077 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1078 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 3 ) & 0x07) << 8) | (( 0x58 ) & 0xFF)) , 0xffe0e0e0, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1079 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1080 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 3 ) & 0x07) << 8) | (( 0x5C ) & 0xFF)) , 0x0000003e, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1081 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1082 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 3 ) & 0x07) << 8) | (( 0x60 ) & 0xFF)) , 0xffffff00, 0x00000000, |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1083 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1084 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 3 ) & 0x07) << 8) | (( 0x94 ) & 0xFF)) , 0xffff8000, 0x00000f70, |
| 1085 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 3 ) & 0x07) << 8) | (( 0x90 ) & 0xFF)) , 0xffffff80, 0x00000002, |
| 1086 | ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 3 ) & 0x07) << 8) | (( 0x98 ) & 0xFF)) , 0x0000000f, 0x00068300, |
| 1087 | }; |
| 1088 | int i; |
| 1089 | int max; |
| 1090 | print_debug("setting up CPU"); |
| 1091 | print_debug_hex8(ctrl->node_id); |
| 1092 | print_debug(" northbridge registers\r\n"); |
| 1093 | max = sizeof(register_values)/sizeof(register_values[0]); |
| 1094 | for(i = 0; i < max; i += 3) { |
| 1095 | device_t dev; |
| 1096 | unsigned where; |
| 1097 | unsigned long reg; |
| 1098 | dev = (register_values[i] & ~0xff) - ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) + ctrl->f0; |
| 1099 | where = register_values[i] & 0xff; |
| 1100 | reg = pci_read_config32(dev, where); |
| 1101 | reg &= register_values[i+1]; |
| 1102 | reg |= register_values[i+2]; |
| 1103 | pci_write_config32(dev, where, reg); |
| 1104 | } |
| 1105 | print_debug("done.\r\n"); |
| 1106 | } |
| 1107 | static int is_dual_channel(const struct mem_controller *ctrl) |
| 1108 | { |
| 1109 | uint32_t dcl; |
| 1110 | dcl = pci_read_config32(ctrl->f2, 0x90 ); |
| 1111 | return dcl & (1<<16) ; |
| 1112 | } |
| 1113 | static int is_opteron(const struct mem_controller *ctrl) |
| 1114 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1115 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1116 | uint32_t nbcap; |
| 1117 | nbcap = pci_read_config32(ctrl->f3, 0xE8 ); |
| 1118 | return !!(nbcap & 0x0001 ); |
| 1119 | } |
| 1120 | static int is_registered(const struct mem_controller *ctrl) |
| 1121 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1122 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1123 | uint32_t dcl; |
| 1124 | dcl = pci_read_config32(ctrl->f2, 0x90 ); |
| 1125 | return !(dcl & (1<<18) ); |
| 1126 | } |
| 1127 | struct dimm_size { |
| 1128 | unsigned long side1; |
| 1129 | unsigned long side2; |
| 1130 | }; |
| 1131 | static struct dimm_size spd_get_dimm_size(unsigned device) |
| 1132 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1133 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1134 | struct dimm_size sz; |
| 1135 | int value, low; |
| 1136 | sz.side1 = 0; |
| 1137 | sz.side2 = 0; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1138 | |
| 1139 | value = spd_read_byte(device, 3); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1140 | if (value < 0) goto out; |
| 1141 | sz.side1 += value & 0xf; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1142 | value = spd_read_byte(device, 4); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1143 | if (value < 0) goto out; |
| 1144 | sz.side1 += value & 0xf; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1145 | value = spd_read_byte(device, 17); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1146 | if (value < 0) goto out; |
| 1147 | sz.side1 += log2(value & 0xff); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1148 | |
| 1149 | value = spd_read_byte(device, 7); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1150 | if (value < 0) goto out; |
| 1151 | value &= 0xff; |
| 1152 | value <<= 8; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1153 | |
| 1154 | low = spd_read_byte(device, 6); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1155 | if (low < 0) goto out; |
| 1156 | value = value | (low & 0xff); |
| 1157 | sz.side1 += log2(value); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1158 | |
| 1159 | value = spd_read_byte(device, 5); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1160 | if (value <= 1) goto out; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1161 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1162 | sz.side2 = sz.side1; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1163 | value = spd_read_byte(device, 3); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1164 | if (value < 0) goto out; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1165 | if ((value & 0xf0) == 0) goto out; |
| 1166 | sz.side2 -= (value & 0x0f); |
| 1167 | sz.side2 += ((value >> 4) & 0x0f); |
| 1168 | value = spd_read_byte(device, 4); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1169 | if (value < 0) goto out; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1170 | sz.side2 -= (value & 0x0f); |
| 1171 | sz.side2 += ((value >> 4) & 0x0f); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1172 | out: |
| 1173 | return sz; |
| 1174 | } |
| 1175 | static void set_dimm_size(const struct mem_controller *ctrl, struct dimm_size sz, unsigned index) |
| 1176 | { |
| 1177 | uint32_t base0, base1, map; |
| 1178 | uint32_t dch; |
| 1179 | if (sz.side1 != sz.side2) { |
| 1180 | sz.side2 = 0; |
| 1181 | } |
| 1182 | map = pci_read_config32(ctrl->f2, 0x80 ); |
| 1183 | map &= ~(0xf << (index + 4)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1184 | |
| 1185 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1186 | base0 = base1 = 0; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1187 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1188 | if (sz.side1 >= (25 +3)) { |
| 1189 | map |= (sz.side1 - (25 + 3)) << (index *4); |
| 1190 | base0 = (1 << ((sz.side1 - (25 + 3)) + 21)) | 1; |
| 1191 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1192 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1193 | if (sz.side2 >= (25 + 3)) { |
| 1194 | base1 = (1 << ((sz.side2 - (25 + 3)) + 21)) | 1; |
| 1195 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1196 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1197 | if (is_dual_channel(ctrl)) { |
| 1198 | base0 = (base0 << 1) | (base0 & 1); |
| 1199 | base1 = (base1 << 1) | (base1 & 1); |
| 1200 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1201 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1202 | base0 &= ~0x001ffffe; |
| 1203 | base1 &= ~0x001ffffe; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1204 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1205 | pci_write_config32(ctrl->f2, 0x40 + (((index << 1)+0)<<2), base0); |
| 1206 | pci_write_config32(ctrl->f2, 0x40 + (((index << 1)+1)<<2), base1); |
| 1207 | pci_write_config32(ctrl->f2, 0x80 , map); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1208 | |
| 1209 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1210 | if (base0) { |
| 1211 | dch = pci_read_config32(ctrl->f2, 0x94 ); |
| 1212 | dch |= (1 << 26) << index; |
| 1213 | pci_write_config32(ctrl->f2, 0x94 , dch); |
| 1214 | } |
| 1215 | } |
| 1216 | static void spd_set_ram_size(const struct mem_controller *ctrl) |
| 1217 | { |
| 1218 | int i; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1219 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1220 | for(i = 0; (i < 4) && (ctrl->channel0[i]); i++) { |
| 1221 | struct dimm_size sz; |
| 1222 | sz = spd_get_dimm_size(ctrl->channel0[i]); |
| 1223 | set_dimm_size(ctrl, sz, i); |
| 1224 | } |
| 1225 | } |
| 1226 | static void route_dram_accesses(const struct mem_controller *ctrl, |
| 1227 | unsigned long base_k, unsigned long limit_k) |
| 1228 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1229 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1230 | unsigned node_id; |
| 1231 | unsigned limit; |
| 1232 | unsigned base; |
| 1233 | unsigned index; |
| 1234 | unsigned limit_reg, base_reg; |
| 1235 | device_t device; |
| 1236 | node_id = ctrl->node_id; |
| 1237 | index = (node_id << 3); |
| 1238 | limit = (limit_k << 2); |
| 1239 | limit &= 0xffff0000; |
| 1240 | limit -= 0x00010000; |
| 1241 | limit |= ( 0 << 8) | (node_id << 0); |
| 1242 | base = (base_k << 2); |
| 1243 | base &= 0xffff0000; |
| 1244 | base |= (0 << 8) | (1<<1) | (1<<0); |
| 1245 | limit_reg = 0x44 + index; |
| 1246 | base_reg = 0x40 + index; |
| 1247 | for(device = ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) ; device <= ( ((( 0 ) & 0xFF) << 16) | ((( 0x1f ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) ; device += ( ((( 0 ) & 0xFF) << 16) | ((( 1 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ) { |
| 1248 | pci_write_config32(device, limit_reg, limit); |
| 1249 | pci_write_config32(device, base_reg, base); |
| 1250 | } |
| 1251 | } |
| 1252 | static void set_top_mem(unsigned tom_k) |
| 1253 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1254 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1255 | if (!tom_k) { |
| 1256 | set_bios_reset(); |
| 1257 | print_debug("No memory - reset"); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1258 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1259 | pci_write_config8(( ((( 0 ) & 0xFF) << 16) | ((( 0x04 ) & 0x1f) << 11) | ((( 3 ) & 0x7) << 8)) , 0x41, 0xf1); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1260 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1261 | outb(0x0e, 0x0cf9); |
| 1262 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1263 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1264 | print_debug("RAM: 0x"); |
| 1265 | print_debug_hex32(tom_k); |
| 1266 | print_debug(" KB\r\n"); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1267 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1268 | msr_t msr; |
| 1269 | msr.lo = (tom_k & 0x003fffff) << 10; |
| 1270 | msr.hi = (tom_k & 0xffc00000) >> 22; |
| 1271 | wrmsr(0xC001001D , msr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1272 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1273 | if (tom_k >= 0x003f0000) { |
| 1274 | tom_k = 0x3f0000; |
| 1275 | } |
| 1276 | msr.lo = (tom_k & 0x003fffff) << 10; |
| 1277 | msr.hi = (tom_k & 0xffc00000) >> 22; |
| 1278 | wrmsr(0xC001001A , msr); |
| 1279 | } |
| 1280 | static unsigned long interleave_chip_selects(const struct mem_controller *ctrl) |
| 1281 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1282 | |
| 1283 | static const uint32_t csbase_low[] = { |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1284 | (1 << (13 - 4)), |
| 1285 | (1 << (14 - 4)), |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1286 | (1 << (14 - 4)), |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1287 | (1 << (15 - 4)), |
| 1288 | (1 << (15 - 4)), |
| 1289 | (1 << (16 - 4)), |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1290 | (1 << (16 - 4)), |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1291 | }; |
| 1292 | uint32_t csbase_inc; |
| 1293 | int chip_selects, index; |
| 1294 | int bits; |
| 1295 | int dual_channel; |
| 1296 | unsigned common_size; |
| 1297 | uint32_t csbase, csmask; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1298 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1299 | chip_selects = 0; |
| 1300 | common_size = 0; |
| 1301 | for(index = 0; index < 8; index++) { |
| 1302 | unsigned size; |
| 1303 | uint32_t value; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1304 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1305 | value = pci_read_config32(ctrl->f2, 0x40 + (index << 2)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1306 | |
| 1307 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1308 | if (!(value & 1)) { |
| 1309 | continue; |
| 1310 | } |
| 1311 | chip_selects++; |
| 1312 | size = value >> 21; |
| 1313 | if (common_size == 0) { |
| 1314 | common_size = size; |
| 1315 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1316 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1317 | if (common_size != size) { |
| 1318 | return 0; |
| 1319 | } |
| 1320 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1321 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1322 | bits = log2(chip_selects); |
| 1323 | if (((1 << bits) != chip_selects) || (bits < 1) || (bits > 3)) { |
| 1324 | return 0; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1325 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1326 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1327 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1328 | if ((bits == 3) && (common_size == (1 << (32 - 3)))) { |
| 1329 | print_debug("8 4GB chip selects cannot be interleaved\r\n"); |
| 1330 | return 0; |
| 1331 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1332 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1333 | if (is_dual_channel(ctrl)) { |
| 1334 | csbase_inc = csbase_low[log2(common_size) - 1] << 1; |
| 1335 | } else { |
| 1336 | csbase_inc = csbase_low[log2(common_size)]; |
| 1337 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1338 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1339 | csbase = 0 | 1; |
| 1340 | csmask = (((common_size << bits) - 1) << 21); |
| 1341 | csmask |= 0xfe00 & ~((csbase_inc << bits) - csbase_inc); |
| 1342 | for(index = 0; index < 8; index++) { |
| 1343 | uint32_t value; |
| 1344 | value = pci_read_config32(ctrl->f2, 0x40 + (index << 2)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1345 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1346 | if (!(value & 1)) { |
| 1347 | continue; |
| 1348 | } |
| 1349 | pci_write_config32(ctrl->f2, 0x40 + (index << 2), csbase); |
| 1350 | pci_write_config32(ctrl->f2, 0x60 + (index << 2), csmask); |
| 1351 | csbase += csbase_inc; |
| 1352 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1353 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1354 | print_debug("Interleaved\r\n"); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1355 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1356 | return common_size << (15 + bits); |
| 1357 | } |
| 1358 | static unsigned long order_chip_selects(const struct mem_controller *ctrl) |
| 1359 | { |
| 1360 | unsigned long tom; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1361 | |
| 1362 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1363 | tom = 0; |
| 1364 | for(;;) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1365 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1366 | unsigned index, canidate; |
| 1367 | uint32_t csbase, csmask; |
| 1368 | unsigned size; |
| 1369 | csbase = 0; |
| 1370 | canidate = 0; |
| 1371 | for(index = 0; index < 8; index++) { |
| 1372 | uint32_t value; |
| 1373 | value = pci_read_config32(ctrl->f2, 0x40 + (index << 2)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1374 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1375 | if (!(value & 1)) { |
| 1376 | continue; |
| 1377 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1378 | |
| 1379 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1380 | if (value <= csbase) { |
| 1381 | continue; |
| 1382 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1383 | |
| 1384 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1385 | if (tom & (1 << (index + 24))) { |
| 1386 | continue; |
| 1387 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1388 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1389 | csbase = value; |
| 1390 | canidate = index; |
| 1391 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1392 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1393 | if (csbase == 0) { |
| 1394 | break; |
| 1395 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1396 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1397 | size = csbase >> 21; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1398 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1399 | tom |= (1 << (canidate + 24)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1400 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1401 | csbase = (tom << 21) | 1; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1402 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1403 | tom += size; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1404 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1405 | csmask = ((size -1) << 21); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1406 | csmask |= 0xfe00; |
| 1407 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1408 | pci_write_config32(ctrl->f2, 0x40 + (canidate << 2), csbase); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1409 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1410 | pci_write_config32(ctrl->f2, 0x60 + (canidate << 2), csmask); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1411 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1412 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1413 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1414 | return (tom & ~0xff000000) << 15; |
| 1415 | } |
| 1416 | static void order_dimms(const struct mem_controller *ctrl) |
| 1417 | { |
| 1418 | unsigned long tom, tom_k, base_k; |
| 1419 | unsigned node_id; |
| 1420 | tom_k = interleave_chip_selects(ctrl); |
| 1421 | if (!tom_k) { |
| 1422 | tom_k = order_chip_selects(ctrl); |
| 1423 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1424 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1425 | base_k = 0; |
| 1426 | for(node_id = 0; node_id < ctrl->node_id; node_id++) { |
| 1427 | uint32_t limit, base; |
| 1428 | unsigned index; |
| 1429 | index = node_id << 3; |
| 1430 | base = pci_read_config32(ctrl->f1, 0x40 + index); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1431 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1432 | if ((base & 3) == 3) { |
| 1433 | limit = pci_read_config32(ctrl->f1, 0x44 + index); |
| 1434 | base_k = ((limit + 0x00010000) & 0xffff0000) >> 2; |
| 1435 | } |
| 1436 | } |
| 1437 | tom_k += base_k; |
| 1438 | route_dram_accesses(ctrl, base_k, tom_k); |
| 1439 | set_top_mem(tom_k); |
| 1440 | } |
| 1441 | static void disable_dimm(const struct mem_controller *ctrl, unsigned index) |
| 1442 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1443 | print_debug("disabling dimm"); |
| 1444 | print_debug_hex8(index); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1445 | print_debug("\r\n"); |
| 1446 | pci_write_config32(ctrl->f2, 0x40 + (((index << 1)+0)<<2), 0); |
| 1447 | pci_write_config32(ctrl->f2, 0x40 + (((index << 1)+1)<<2), 0); |
| 1448 | } |
| 1449 | static void spd_handle_unbuffered_dimms(const struct mem_controller *ctrl) |
| 1450 | { |
| 1451 | int i; |
| 1452 | int registered; |
| 1453 | int unbuffered; |
| 1454 | uint32_t dcl; |
| 1455 | unbuffered = 0; |
| 1456 | registered = 0; |
| 1457 | for(i = 0; (i < 4) && (ctrl->channel0[i]); i++) { |
| 1458 | int value; |
| 1459 | value = spd_read_byte(ctrl->channel0[i], 21); |
| 1460 | if (value < 0) { |
| 1461 | disable_dimm(ctrl, i); |
| 1462 | continue; |
| 1463 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1464 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1465 | if (value & (1 << 1)) { |
| 1466 | registered = 1; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1467 | } |
| 1468 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1469 | else { |
| 1470 | unbuffered = 1; |
| 1471 | } |
| 1472 | } |
| 1473 | if (unbuffered && registered) { |
| 1474 | die("Mixed buffered and registered dimms not supported"); |
| 1475 | } |
| 1476 | if (unbuffered && is_opteron(ctrl)) { |
| 1477 | die("Unbuffered Dimms not supported on Opteron"); |
| 1478 | } |
| 1479 | dcl = pci_read_config32(ctrl->f2, 0x90 ); |
| 1480 | dcl &= ~(1<<18) ; |
| 1481 | if (unbuffered) { |
| 1482 | dcl |= (1<<18) ; |
| 1483 | } |
| 1484 | pci_write_config32(ctrl->f2, 0x90 , dcl); |
| 1485 | } |
| 1486 | static void spd_enable_2channels(const struct mem_controller *ctrl) |
| 1487 | { |
| 1488 | int i; |
| 1489 | uint32_t nbcap; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1490 | |
| 1491 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1492 | static const unsigned addresses[] = { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1493 | 2, |
| 1494 | 3, |
| 1495 | 4, |
| 1496 | 5, |
| 1497 | 6, |
| 1498 | 7, |
| 1499 | 9, |
| 1500 | 11, |
| 1501 | 13, |
| 1502 | 17, |
| 1503 | 18, |
| 1504 | 21, |
| 1505 | 23, |
| 1506 | 26, |
| 1507 | 27, |
| 1508 | 28, |
| 1509 | 29, |
| 1510 | 30, |
| 1511 | 41, |
| 1512 | 42, |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1513 | }; |
| 1514 | nbcap = pci_read_config32(ctrl->f3, 0xE8 ); |
| 1515 | if (!(nbcap & 0x0001 )) { |
| 1516 | return; |
| 1517 | } |
| 1518 | for(i = 0; (i < 4) && (ctrl->channel0[i]); i++) { |
| 1519 | unsigned device0, device1; |
| 1520 | int value0, value1; |
| 1521 | int j; |
| 1522 | device0 = ctrl->channel0[i]; |
| 1523 | device1 = ctrl->channel1[i]; |
| 1524 | if (!device1) |
| 1525 | return; |
| 1526 | for(j = 0; j < sizeof(addresses)/sizeof(addresses[0]); j++) { |
| 1527 | unsigned addr; |
| 1528 | addr = addresses[j]; |
| 1529 | value0 = spd_read_byte(device0, addr); |
| 1530 | if (value0 < 0) { |
| 1531 | break; |
| 1532 | } |
| 1533 | value1 = spd_read_byte(device1, addr); |
| 1534 | if (value1 < 0) { |
| 1535 | return; |
| 1536 | } |
| 1537 | if (value0 != value1) { |
| 1538 | return; |
| 1539 | } |
| 1540 | } |
| 1541 | } |
| 1542 | print_debug("Enabling dual channel memory\r\n"); |
| 1543 | uint32_t dcl; |
| 1544 | dcl = pci_read_config32(ctrl->f2, 0x90 ); |
| 1545 | dcl &= ~(1<<19) ; |
| 1546 | dcl |= (1<<16) ; |
| 1547 | pci_write_config32(ctrl->f2, 0x90 , dcl); |
| 1548 | } |
| 1549 | struct mem_param { |
| 1550 | uint8_t cycle_time; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1551 | uint8_t divisor; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1552 | uint8_t tRC; |
| 1553 | uint8_t tRFC; |
| 1554 | uint32_t dch_memclk; |
| 1555 | uint16_t dch_tref4k, dch_tref8k; |
| 1556 | uint8_t dtl_twr; |
| 1557 | char name[9]; |
| 1558 | }; |
| 1559 | static const struct mem_param *get_mem_param(unsigned min_cycle_time) |
| 1560 | { |
| 1561 | static const struct mem_param speed[] = { |
| 1562 | { |
| 1563 | .name = "100Mhz\r\n", |
| 1564 | .cycle_time = 0xa0, |
| 1565 | .divisor = (10 <<1), |
| 1566 | .tRC = 0x46, |
| 1567 | .tRFC = 0x50, |
| 1568 | .dch_memclk = 0 << 20 , |
| 1569 | .dch_tref4k = 0x00 , |
| 1570 | .dch_tref8k = 0x08 , |
| 1571 | .dtl_twr = 2, |
| 1572 | }, |
| 1573 | { |
| 1574 | .name = "133Mhz\r\n", |
| 1575 | .cycle_time = 0x75, |
| 1576 | .divisor = (7<<1)+1, |
| 1577 | .tRC = 0x41, |
| 1578 | .tRFC = 0x4B, |
| 1579 | .dch_memclk = 2 << 20 , |
| 1580 | .dch_tref4k = 0x01 , |
| 1581 | .dch_tref8k = 0x09 , |
| 1582 | .dtl_twr = 2, |
| 1583 | }, |
| 1584 | { |
| 1585 | .name = "166Mhz\r\n", |
| 1586 | .cycle_time = 0x60, |
| 1587 | .divisor = (6<<1), |
| 1588 | .tRC = 0x3C, |
| 1589 | .tRFC = 0x48, |
| 1590 | .dch_memclk = 5 << 20 , |
| 1591 | .dch_tref4k = 0x02 , |
| 1592 | .dch_tref8k = 0x0A , |
| 1593 | .dtl_twr = 3, |
| 1594 | }, |
| 1595 | { |
| 1596 | .name = "200Mhz\r\n", |
| 1597 | .cycle_time = 0x50, |
| 1598 | .divisor = (5<<1), |
| 1599 | .tRC = 0x37, |
| 1600 | .tRFC = 0x46, |
| 1601 | .dch_memclk = 7 << 20 , |
| 1602 | .dch_tref4k = 0x03 , |
| 1603 | .dch_tref8k = 0x0B , |
| 1604 | .dtl_twr = 3, |
| 1605 | }, |
| 1606 | { |
| 1607 | .cycle_time = 0x00, |
| 1608 | }, |
| 1609 | }; |
| 1610 | const struct mem_param *param; |
| 1611 | for(param = &speed[0]; param->cycle_time ; param++) { |
| 1612 | if (min_cycle_time > (param+1)->cycle_time) { |
| 1613 | break; |
| 1614 | } |
| 1615 | } |
| 1616 | if (!param->cycle_time) { |
| 1617 | die("min_cycle_time to low"); |
| 1618 | } |
| 1619 | print_debug(param->name); |
| 1620 | return param; |
| 1621 | } |
| 1622 | static const struct mem_param *spd_set_memclk(const struct mem_controller *ctrl) |
| 1623 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1624 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1625 | const struct mem_param *param; |
| 1626 | unsigned min_cycle_time, min_latency; |
| 1627 | int i; |
| 1628 | uint32_t value; |
| 1629 | static const int latency_indicies[] = { 26, 23, 9 }; |
| 1630 | static const unsigned char min_cycle_times[] = { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1631 | [0 ] = 0x50, |
| 1632 | [1 ] = 0x60, |
| 1633 | [2 ] = 0x75, |
| 1634 | [3 ] = 0xa0, |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1635 | }; |
| 1636 | value = pci_read_config32(ctrl->f3, 0xE8 ); |
| 1637 | min_cycle_time = min_cycle_times[(value >> 5 ) & 3 ]; |
| 1638 | min_latency = 2; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1639 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1640 | for(i = 0; (i < 4) && (ctrl->channel0[i]); i++) { |
| 1641 | int new_cycle_time, new_latency; |
| 1642 | int index; |
| 1643 | int latencies; |
| 1644 | int latency; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1645 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1646 | new_cycle_time = 0xa0; |
| 1647 | new_latency = 5; |
| 1648 | latencies = spd_read_byte(ctrl->channel0[i], 18); |
| 1649 | if (latencies <= 0) continue; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1650 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1651 | latency = log2(latencies) -2; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1652 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1653 | for(index = 0; index < 3; index++, latency++) { |
| 1654 | int value; |
| 1655 | if ((latency < 2) || (latency > 4) || |
| 1656 | (!(latencies & (1 << latency)))) { |
| 1657 | continue; |
| 1658 | } |
| 1659 | value = spd_read_byte(ctrl->channel0[i], latency_indicies[index]); |
| 1660 | if (value < 0) { |
| 1661 | continue; |
| 1662 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1663 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1664 | if ((value >= min_cycle_time) && (value < new_cycle_time)) { |
| 1665 | new_cycle_time = value; |
| 1666 | new_latency = latency; |
| 1667 | } |
| 1668 | } |
| 1669 | if (new_latency > 4){ |
| 1670 | continue; |
| 1671 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1672 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1673 | if (new_cycle_time > min_cycle_time) { |
| 1674 | min_cycle_time = new_cycle_time; |
| 1675 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1676 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1677 | if (new_latency > min_latency) { |
| 1678 | min_latency = new_latency; |
| 1679 | } |
| 1680 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1681 | |
| 1682 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1683 | for(i = 0; (i < 4) && (ctrl->channel0[i]); i++) { |
| 1684 | int latencies; |
| 1685 | int latency; |
| 1686 | int index; |
| 1687 | int value; |
| 1688 | int dimm; |
| 1689 | latencies = spd_read_byte(ctrl->channel0[i], 18); |
| 1690 | if (latencies <= 0) { |
| 1691 | goto dimm_err; |
| 1692 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1693 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1694 | latency = log2(latencies) -2; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1695 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1696 | for(index = 0; index < 3; index++, latency++) { |
| 1697 | if (!(latencies & (1 << latency))) { |
| 1698 | continue; |
| 1699 | } |
| 1700 | if (latency == min_latency) |
| 1701 | break; |
| 1702 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1703 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1704 | if ((latency != min_latency) || (index >= 3)) { |
| 1705 | goto dimm_err; |
| 1706 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1707 | |
| 1708 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1709 | value = spd_read_byte(ctrl->channel0[i], latency_indicies[index]); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1710 | |
| 1711 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1712 | if (value <= min_cycle_time) { |
| 1713 | continue; |
| 1714 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1715 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1716 | dimm_err: |
| 1717 | disable_dimm(ctrl, i); |
| 1718 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1719 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1720 | param = get_mem_param(min_cycle_time); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1721 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1722 | value = pci_read_config32(ctrl->f2, 0x94 ); |
| 1723 | value &= ~(0x7 << 20 ); |
| 1724 | value |= param->dch_memclk; |
| 1725 | pci_write_config32(ctrl->f2, 0x94 , value); |
| 1726 | static const unsigned latencies[] = { 1 , 5 , 2 }; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1727 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1728 | value = pci_read_config32(ctrl->f2, 0x88 ); |
| 1729 | value &= ~(0x7 << 0 ); |
| 1730 | value |= latencies[min_latency - 2] << 0 ; |
| 1731 | pci_write_config32(ctrl->f2, 0x88 , value); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1732 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1733 | return param; |
| 1734 | } |
| 1735 | static int update_dimm_Trc(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1736 | { |
| 1737 | unsigned clocks, old_clocks; |
| 1738 | uint32_t dtl; |
| 1739 | int value; |
| 1740 | value = spd_read_byte(ctrl->channel0[i], 41); |
| 1741 | if (value < 0) return -1; |
| 1742 | if ((value == 0) || (value == 0xff)) { |
| 1743 | value = param->tRC; |
| 1744 | } |
| 1745 | clocks = ((value << 1) + param->divisor - 1)/param->divisor; |
| 1746 | if (clocks < 7 ) { |
| 1747 | clocks = 7 ; |
| 1748 | } |
| 1749 | if (clocks > 22 ) { |
| 1750 | return -1; |
| 1751 | } |
| 1752 | dtl = pci_read_config32(ctrl->f2, 0x88 ); |
| 1753 | old_clocks = ((dtl >> 4 ) & 0xf ) + 7 ; |
| 1754 | if (old_clocks > clocks) { |
| 1755 | clocks = old_clocks; |
| 1756 | } |
| 1757 | dtl &= ~(0xf << 4 ); |
| 1758 | dtl |= ((clocks - 7 ) << 4 ); |
| 1759 | pci_write_config32(ctrl->f2, 0x88 , dtl); |
| 1760 | return 0; |
| 1761 | } |
| 1762 | static int update_dimm_Trfc(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1763 | { |
| 1764 | unsigned clocks, old_clocks; |
| 1765 | uint32_t dtl; |
| 1766 | int value; |
| 1767 | value = spd_read_byte(ctrl->channel0[i], 42); |
| 1768 | if (value < 0) return -1; |
| 1769 | if ((value == 0) || (value == 0xff)) { |
| 1770 | value = param->tRFC; |
| 1771 | } |
| 1772 | clocks = ((value << 1) + param->divisor - 1)/param->divisor; |
| 1773 | if (clocks < 9 ) { |
| 1774 | clocks = 9 ; |
| 1775 | } |
| 1776 | if (clocks > 24 ) { |
| 1777 | return -1; |
| 1778 | } |
| 1779 | dtl = pci_read_config32(ctrl->f2, 0x88 ); |
| 1780 | old_clocks = ((dtl >> 8 ) & 0xf ) + 9 ; |
| 1781 | if (old_clocks > clocks) { |
| 1782 | clocks = old_clocks; |
| 1783 | } |
| 1784 | dtl &= ~(0xf << 8 ); |
| 1785 | dtl |= ((clocks - 9 ) << 8 ); |
| 1786 | pci_write_config32(ctrl->f2, 0x88 , dtl); |
| 1787 | return 0; |
| 1788 | } |
| 1789 | static int update_dimm_Trcd(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1790 | { |
| 1791 | unsigned clocks, old_clocks; |
| 1792 | uint32_t dtl; |
| 1793 | int value; |
| 1794 | value = spd_read_byte(ctrl->channel0[i], 29); |
| 1795 | if (value < 0) return -1; |
| 1796 | clocks = (value + ((param->divisor & 0xff) << 1) -1)/((param->divisor & 0xff) << 1); |
| 1797 | if (clocks < 2 ) { |
| 1798 | clocks = 2 ; |
| 1799 | } |
| 1800 | if (clocks > 6 ) { |
| 1801 | return -1; |
| 1802 | } |
| 1803 | dtl = pci_read_config32(ctrl->f2, 0x88 ); |
| 1804 | old_clocks = ((dtl >> 12 ) & 0x7 ) + 0 ; |
| 1805 | if (old_clocks > clocks) { |
| 1806 | clocks = old_clocks; |
| 1807 | } |
| 1808 | dtl &= ~(0x7 << 12 ); |
| 1809 | dtl |= ((clocks - 0 ) << 12 ); |
| 1810 | pci_write_config32(ctrl->f2, 0x88 , dtl); |
| 1811 | return 0; |
| 1812 | } |
| 1813 | static int update_dimm_Trrd(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1814 | { |
| 1815 | unsigned clocks, old_clocks; |
| 1816 | uint32_t dtl; |
| 1817 | int value; |
| 1818 | value = spd_read_byte(ctrl->channel0[i], 28); |
| 1819 | if (value < 0) return -1; |
| 1820 | clocks = (value + ((param->divisor & 0xff) << 1) -1)/((param->divisor & 0xff) << 1); |
| 1821 | if (clocks < 2 ) { |
| 1822 | clocks = 2 ; |
| 1823 | } |
| 1824 | if (clocks > 4 ) { |
| 1825 | return -1; |
| 1826 | } |
| 1827 | dtl = pci_read_config32(ctrl->f2, 0x88 ); |
| 1828 | old_clocks = ((dtl >> 16 ) & 0x7 ) + 0 ; |
| 1829 | if (old_clocks > clocks) { |
| 1830 | clocks = old_clocks; |
| 1831 | } |
| 1832 | dtl &= ~(0x7 << 16 ); |
| 1833 | dtl |= ((clocks - 0 ) << 16 ); |
| 1834 | pci_write_config32(ctrl->f2, 0x88 , dtl); |
| 1835 | return 0; |
| 1836 | } |
| 1837 | static int update_dimm_Tras(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1838 | { |
| 1839 | unsigned clocks, old_clocks; |
| 1840 | uint32_t dtl; |
| 1841 | int value; |
| 1842 | value = spd_read_byte(ctrl->channel0[i], 30); |
| 1843 | if (value < 0) return -1; |
| 1844 | clocks = ((value << 1) + param->divisor - 1)/param->divisor; |
| 1845 | if (clocks < 5 ) { |
| 1846 | clocks = 5 ; |
| 1847 | } |
| 1848 | if (clocks > 15 ) { |
| 1849 | return -1; |
| 1850 | } |
| 1851 | dtl = pci_read_config32(ctrl->f2, 0x88 ); |
| 1852 | old_clocks = ((dtl >> 20 ) & 0xf ) + 0 ; |
| 1853 | if (old_clocks > clocks) { |
| 1854 | clocks = old_clocks; |
| 1855 | } |
| 1856 | dtl &= ~(0xf << 20 ); |
| 1857 | dtl |= ((clocks - 0 ) << 20 ); |
| 1858 | pci_write_config32(ctrl->f2, 0x88 , dtl); |
| 1859 | return 0; |
| 1860 | } |
| 1861 | static int update_dimm_Trp(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1862 | { |
| 1863 | unsigned clocks, old_clocks; |
| 1864 | uint32_t dtl; |
| 1865 | int value; |
| 1866 | value = spd_read_byte(ctrl->channel0[i], 27); |
| 1867 | if (value < 0) return -1; |
| 1868 | clocks = (value + ((param->divisor & 0xff) << 1) - 1)/((param->divisor & 0xff) << 1); |
| 1869 | if (clocks < 2 ) { |
| 1870 | clocks = 2 ; |
| 1871 | } |
| 1872 | if (clocks > 6 ) { |
| 1873 | return -1; |
| 1874 | } |
| 1875 | dtl = pci_read_config32(ctrl->f2, 0x88 ); |
| 1876 | old_clocks = ((dtl >> 24 ) & 0x7 ) + 0 ; |
| 1877 | if (old_clocks > clocks) { |
| 1878 | clocks = old_clocks; |
| 1879 | } |
| 1880 | dtl &= ~(0x7 << 24 ); |
| 1881 | dtl |= ((clocks - 0 ) << 24 ); |
| 1882 | pci_write_config32(ctrl->f2, 0x88 , dtl); |
| 1883 | return 0; |
| 1884 | } |
| 1885 | static void set_Twr(const struct mem_controller *ctrl, const struct mem_param *param) |
| 1886 | { |
| 1887 | uint32_t dtl; |
| 1888 | dtl = pci_read_config32(ctrl->f2, 0x88 ); |
| 1889 | dtl &= ~(0x1 << 28 ); |
| 1890 | dtl |= (param->dtl_twr - 2 ) << 28 ; |
| 1891 | pci_write_config32(ctrl->f2, 0x88 , dtl); |
| 1892 | } |
| 1893 | static void init_Tref(const struct mem_controller *ctrl, const struct mem_param *param) |
| 1894 | { |
| 1895 | uint32_t dth; |
| 1896 | dth = pci_read_config32(ctrl->f2, 0x8c ); |
| 1897 | dth &= ~(0x1f << 8 ); |
| 1898 | dth |= (param->dch_tref4k << 8 ); |
| 1899 | pci_write_config32(ctrl->f2, 0x8c , dth); |
| 1900 | } |
| 1901 | static int update_dimm_Tref(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1902 | { |
| 1903 | uint32_t dth; |
| 1904 | int value; |
| 1905 | unsigned tref, old_tref; |
| 1906 | value = spd_read_byte(ctrl->channel0[i], 3); |
| 1907 | if (value < 0) return -1; |
| 1908 | value &= 0xf; |
| 1909 | tref = param->dch_tref8k; |
| 1910 | if (value == 12) { |
| 1911 | tref = param->dch_tref4k; |
| 1912 | } |
| 1913 | dth = pci_read_config32(ctrl->f2, 0x8c ); |
| 1914 | old_tref = (dth >> 8 ) & 0x1f ; |
| 1915 | if ((value == 12) && (old_tref == param->dch_tref4k)) { |
| 1916 | tref = param->dch_tref4k; |
| 1917 | } else { |
| 1918 | tref = param->dch_tref8k; |
| 1919 | } |
| 1920 | dth &= ~(0x1f << 8 ); |
| 1921 | dth |= (tref << 8 ); |
| 1922 | pci_write_config32(ctrl->f2, 0x8c , dth); |
| 1923 | return 0; |
| 1924 | } |
| 1925 | static int update_dimm_x4(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1926 | { |
| 1927 | uint32_t dcl; |
| 1928 | int value; |
| 1929 | int dimm; |
| 1930 | value = spd_read_byte(ctrl->channel0[i], 13); |
| 1931 | if (value < 0) { |
| 1932 | return -1; |
| 1933 | } |
| 1934 | dimm = i; |
| 1935 | dimm += 20 ; |
| 1936 | dcl = pci_read_config32(ctrl->f2, 0x90 ); |
| 1937 | dcl &= ~(1 << dimm); |
| 1938 | if (value == 4) { |
| 1939 | dcl |= (1 << dimm); |
| 1940 | } |
| 1941 | pci_write_config32(ctrl->f2, 0x90 , dcl); |
| 1942 | return 0; |
| 1943 | } |
| 1944 | static int update_dimm_ecc(const struct mem_controller *ctrl, const struct mem_param *param, int i) |
| 1945 | { |
| 1946 | uint32_t dcl; |
| 1947 | int value; |
| 1948 | value = spd_read_byte(ctrl->channel0[i], 11); |
| 1949 | if (value < 0) { |
| 1950 | return -1; |
| 1951 | } |
| 1952 | if (value != 2) { |
| 1953 | dcl = pci_read_config32(ctrl->f2, 0x90 ); |
| 1954 | dcl &= ~(1<<17) ; |
| 1955 | pci_write_config32(ctrl->f2, 0x90 , dcl); |
| 1956 | } |
| 1957 | return 0; |
| 1958 | } |
| 1959 | static int count_dimms(const struct mem_controller *ctrl) |
| 1960 | { |
| 1961 | int dimms; |
| 1962 | unsigned index; |
| 1963 | dimms = 0; |
| 1964 | for(index = 0; index < 8; index += 2) { |
| 1965 | uint32_t csbase; |
| 1966 | csbase = pci_read_config32(ctrl->f2, (0x40 + index << 2)); |
| 1967 | if (csbase & 1) { |
| 1968 | dimms += 1; |
| 1969 | } |
| 1970 | } |
| 1971 | return dimms; |
| 1972 | } |
| 1973 | static void set_Twtr(const struct mem_controller *ctrl, const struct mem_param *param) |
| 1974 | { |
| 1975 | uint32_t dth; |
| 1976 | unsigned clocks; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1977 | clocks = 1; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1978 | dth = pci_read_config32(ctrl->f2, 0x8c ); |
| 1979 | dth &= ~(0x1 << 0 ); |
| 1980 | dth |= ((clocks - 1 ) << 0 ); |
| 1981 | pci_write_config32(ctrl->f2, 0x8c , dth); |
| 1982 | } |
| 1983 | static void set_Trwt(const struct mem_controller *ctrl, const struct mem_param *param) |
| 1984 | { |
| 1985 | uint32_t dth, dtl; |
| 1986 | unsigned divisor; |
| 1987 | unsigned latency; |
| 1988 | unsigned clocks; |
| 1989 | clocks = 0; |
| 1990 | dtl = pci_read_config32(ctrl->f2, 0x88 ); |
| 1991 | latency = (dtl >> 0 ) & 0x7 ; |
| 1992 | divisor = param->divisor; |
| 1993 | if (is_opteron(ctrl)) { |
| 1994 | if (latency == 1 ) { |
| 1995 | if (divisor == ((6 << 0) + 0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 1996 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 1997 | clocks = 3; |
| 1998 | } |
| 1999 | else if (divisor > ((6 << 0)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2000 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2001 | clocks = 2; |
| 2002 | } |
| 2003 | } |
| 2004 | else if (latency == 5 ) { |
| 2005 | clocks = 3; |
| 2006 | } |
| 2007 | else if (latency == 2 ) { |
| 2008 | if (divisor == ((6 << 0)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2009 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2010 | clocks = 4; |
| 2011 | } |
| 2012 | else if (divisor > ((6 << 0)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2013 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2014 | clocks = 3; |
| 2015 | } |
| 2016 | } |
| 2017 | } |
| 2018 | else { |
| 2019 | if (is_registered(ctrl)) { |
| 2020 | if (latency == 1 ) { |
| 2021 | clocks = 2; |
| 2022 | } |
| 2023 | else if (latency == 5 ) { |
| 2024 | clocks = 3; |
| 2025 | } |
| 2026 | else if (latency == 2 ) { |
| 2027 | clocks = 3; |
| 2028 | } |
| 2029 | } |
| 2030 | else { |
| 2031 | if (latency == 1 ) { |
| 2032 | clocks = 3; |
| 2033 | } |
| 2034 | else if (latency == 5 ) { |
| 2035 | clocks = 4; |
| 2036 | } |
| 2037 | else if (latency == 2 ) { |
| 2038 | clocks = 4; |
| 2039 | } |
| 2040 | } |
| 2041 | } |
| 2042 | if ((clocks < 1 ) || (clocks > 6 )) { |
| 2043 | die("Unknown Trwt"); |
| 2044 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2045 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2046 | dth = pci_read_config32(ctrl->f2, 0x8c ); |
| 2047 | dth &= ~(0x7 << 4 ); |
| 2048 | dth |= ((clocks - 1 ) << 4 ); |
| 2049 | pci_write_config32(ctrl->f2, 0x8c , dth); |
| 2050 | return; |
| 2051 | } |
| 2052 | static void set_Twcl(const struct mem_controller *ctrl, const struct mem_param *param) |
| 2053 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2054 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2055 | uint32_t dth; |
| 2056 | unsigned clocks; |
| 2057 | if (is_registered(ctrl)) { |
| 2058 | clocks = 2; |
| 2059 | } else { |
| 2060 | clocks = 1; |
| 2061 | } |
| 2062 | dth = pci_read_config32(ctrl->f2, 0x8c ); |
| 2063 | dth &= ~(0x7 << 20 ); |
| 2064 | dth |= ((clocks - 1 ) << 20 ); |
| 2065 | pci_write_config32(ctrl->f2, 0x8c , dth); |
| 2066 | } |
| 2067 | static void set_read_preamble(const struct mem_controller *ctrl, const struct mem_param *param) |
| 2068 | { |
| 2069 | uint32_t dch; |
| 2070 | unsigned divisor; |
| 2071 | unsigned rdpreamble; |
| 2072 | divisor = param->divisor; |
| 2073 | dch = pci_read_config32(ctrl->f2, 0x94 ); |
| 2074 | dch &= ~(0xf << 8 ); |
| 2075 | rdpreamble = 0; |
| 2076 | if (is_registered(ctrl)) { |
| 2077 | if (divisor == ((10 << 1)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2078 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2079 | rdpreamble = ((9 << 1)+ 0); |
| 2080 | } |
| 2081 | else if (divisor == ((7 << 1)+1)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2082 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2083 | rdpreamble = ((8 << 1)+0); |
| 2084 | } |
| 2085 | else if (divisor == ((6 << 1)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2086 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2087 | rdpreamble = ((7 << 1)+1); |
| 2088 | } |
| 2089 | else if (divisor == ((5 << 1)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2090 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2091 | rdpreamble = ((7 << 1)+0); |
| 2092 | } |
| 2093 | } |
| 2094 | else { |
| 2095 | int slots; |
| 2096 | int i; |
| 2097 | slots = 0; |
| 2098 | for(i = 0; i < 4; i++) { |
| 2099 | if (ctrl->channel0[i]) { |
| 2100 | slots += 1; |
| 2101 | } |
| 2102 | } |
| 2103 | if (divisor == ((10 << 1)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2104 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2105 | if (slots <= 2) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2106 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2107 | rdpreamble = ((9 << 1)+0); |
| 2108 | } else { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2109 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2110 | rdpreamble = ((14 << 1)+0); |
| 2111 | } |
| 2112 | } |
| 2113 | else if (divisor == ((7 << 1)+1)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2114 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2115 | if (slots <= 2) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2116 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2117 | rdpreamble = ((7 << 1)+0); |
| 2118 | } else { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2119 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2120 | rdpreamble = ((11 << 1)+0); |
| 2121 | } |
| 2122 | } |
| 2123 | else if (divisor == ((6 << 1)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2124 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2125 | if (slots <= 2) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2126 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2127 | rdpreamble = ((7 << 1)+0); |
| 2128 | } else { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2129 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2130 | rdpreamble = ((9 << 1)+0); |
| 2131 | } |
| 2132 | } |
| 2133 | else if (divisor == ((5 << 1)+0)) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2134 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2135 | if (slots <= 2) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2136 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2137 | rdpreamble = ((5 << 1)+0); |
| 2138 | } else { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2139 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2140 | rdpreamble = ((7 << 1)+0); |
| 2141 | } |
| 2142 | } |
| 2143 | } |
| 2144 | if ((rdpreamble < ((2<<1)+0) ) || (rdpreamble > ((9<<1)+1) )) { |
| 2145 | die("Unknown rdpreamble"); |
| 2146 | } |
| 2147 | dch |= (rdpreamble - ((2<<1)+0) ) << 8 ; |
| 2148 | pci_write_config32(ctrl->f2, 0x94 , dch); |
| 2149 | } |
| 2150 | static void set_max_async_latency(const struct mem_controller *ctrl, const struct mem_param *param) |
| 2151 | { |
| 2152 | uint32_t dch; |
| 2153 | int i; |
| 2154 | unsigned async_lat; |
| 2155 | int dimms; |
| 2156 | dimms = count_dimms(ctrl); |
| 2157 | dch = pci_read_config32(ctrl->f2, 0x94 ); |
| 2158 | dch &= ~(0xf << 0 ); |
| 2159 | async_lat = 0; |
| 2160 | if (is_registered(ctrl)) { |
| 2161 | if (dimms == 4) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2162 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2163 | async_lat = 9; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2164 | } |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2165 | else { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2166 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2167 | async_lat = 8; |
| 2168 | } |
| 2169 | } |
| 2170 | else { |
| 2171 | if (dimms > 3) { |
| 2172 | die("Too many unbuffered dimms"); |
| 2173 | } |
| 2174 | else if (dimms == 3) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2175 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2176 | async_lat = 7; |
| 2177 | } |
| 2178 | else { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2179 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2180 | async_lat = 6; |
| 2181 | } |
| 2182 | } |
| 2183 | dch |= ((async_lat - 0 ) << 0 ); |
| 2184 | pci_write_config32(ctrl->f2, 0x94 , dch); |
| 2185 | } |
| 2186 | static void set_idle_cycle_limit(const struct mem_controller *ctrl, const struct mem_param *param) |
| 2187 | { |
| 2188 | uint32_t dch; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2189 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2190 | dch = pci_read_config32(ctrl->f2, 0x94 ); |
| 2191 | dch &= ~(0x7 << 16 ); |
| 2192 | dch |= 3 << 16 ; |
| 2193 | dch |= (1 << 19) ; |
| 2194 | pci_write_config32(ctrl->f2, 0x94 , dch); |
| 2195 | } |
| 2196 | static void spd_set_dram_timing(const struct mem_controller *ctrl, const struct mem_param *param) |
| 2197 | { |
| 2198 | int dimms; |
| 2199 | int i; |
| 2200 | int rc; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2201 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2202 | init_Tref(ctrl, param); |
| 2203 | for(i = 0; (i < 4) && ctrl->channel0[i]; i++) { |
| 2204 | int rc; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2205 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2206 | if (update_dimm_Trc (ctrl, param, i) < 0) goto dimm_err; |
| 2207 | if (update_dimm_Trfc(ctrl, param, i) < 0) goto dimm_err; |
| 2208 | if (update_dimm_Trcd(ctrl, param, i) < 0) goto dimm_err; |
| 2209 | if (update_dimm_Trrd(ctrl, param, i) < 0) goto dimm_err; |
| 2210 | if (update_dimm_Tras(ctrl, param, i) < 0) goto dimm_err; |
| 2211 | if (update_dimm_Trp (ctrl, param, i) < 0) goto dimm_err; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2212 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2213 | if (update_dimm_Tref(ctrl, param, i) < 0) goto dimm_err; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2214 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2215 | if (update_dimm_x4 (ctrl, param, i) < 0) goto dimm_err; |
| 2216 | if (update_dimm_ecc(ctrl, param, i) < 0) goto dimm_err; |
| 2217 | continue; |
| 2218 | dimm_err: |
| 2219 | disable_dimm(ctrl, i); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2220 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2221 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2222 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2223 | set_Twr(ctrl, param); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2224 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2225 | set_Twtr(ctrl, param); |
| 2226 | set_Trwt(ctrl, param); |
| 2227 | set_Twcl(ctrl, param); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2228 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2229 | set_read_preamble(ctrl, param); |
| 2230 | set_max_async_latency(ctrl, param); |
| 2231 | set_idle_cycle_limit(ctrl, param); |
| 2232 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2233 | static void sdram_set_spd_registers(const struct mem_controller *ctrl) |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2234 | { |
| 2235 | const struct mem_param *param; |
| 2236 | spd_enable_2channels(ctrl); |
| 2237 | spd_set_ram_size(ctrl); |
| 2238 | spd_handle_unbuffered_dimms(ctrl); |
| 2239 | param = spd_set_memclk(ctrl); |
| 2240 | spd_set_dram_timing(ctrl, param); |
| 2241 | order_dimms(ctrl); |
| 2242 | } |
| 2243 | static void sdram_enable(int controllers, const struct mem_controller *ctrl) |
| 2244 | { |
| 2245 | int i; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2246 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2247 | for(i = 0; i < controllers; i++) { |
| 2248 | uint32_t dch; |
| 2249 | dch = pci_read_config32(ctrl[i].f2, 0x94 ); |
| 2250 | dch |= (1 << 25) ; |
| 2251 | pci_write_config32(ctrl[i].f2, 0x94 , dch); |
| 2252 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2253 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2254 | memreset(controllers, ctrl); |
| 2255 | for(i = 0; i < controllers; i++) { |
| 2256 | uint32_t dcl; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2257 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2258 | dcl = pci_read_config32(ctrl[i].f2, 0x90 ); |
| 2259 | if (dcl & (1<<17) ) { |
| 2260 | uint32_t mnc; |
| 2261 | print_debug("ECC enabled\r\n"); |
| 2262 | mnc = pci_read_config32(ctrl[i].f3, 0x44 ); |
| 2263 | mnc |= (1 << 22) ; |
| 2264 | if (dcl & (1<<16) ) { |
| 2265 | mnc |= (1 << 23) ; |
| 2266 | } |
| 2267 | pci_write_config32(ctrl[i].f3, 0x44 , mnc); |
| 2268 | } |
| 2269 | dcl |= (1<<3) ; |
| 2270 | pci_write_config32(ctrl[i].f2, 0x90 , dcl); |
| 2271 | dcl &= ~(1<<3) ; |
| 2272 | dcl &= ~(1<<0) ; |
| 2273 | dcl &= ~(1<<1) ; |
| 2274 | dcl &= ~(1<<2) ; |
| 2275 | dcl |= (1<<8) ; |
| 2276 | pci_write_config32(ctrl[i].f2, 0x90 , dcl); |
| 2277 | } |
| 2278 | for(i = 0; i < controllers; i++) { |
| 2279 | uint32_t dcl; |
| 2280 | print_debug("Initializing memory: "); |
| 2281 | int loops = 0; |
| 2282 | do { |
| 2283 | dcl = pci_read_config32(ctrl[i].f2, 0x90 ); |
| 2284 | loops += 1; |
| 2285 | if ((loops & 1023) == 0) { |
| 2286 | print_debug("."); |
| 2287 | } |
| 2288 | } while(((dcl & (1<<8) ) != 0) && (loops < 300000 )); |
| 2289 | if (loops >= 300000 ) { |
| 2290 | print_debug(" failed\r\n"); |
| 2291 | } else { |
| 2292 | print_debug(" done\r\n"); |
| 2293 | } |
| 2294 | if (dcl & (1<<17) ) { |
| 2295 | print_debug("Clearing memory: "); |
| 2296 | if (!is_cpu_pre_c0()) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2297 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2298 | dcl &= ~((1<<11) | (1<<10) ); |
| 2299 | pci_write_config32(ctrl[i].f2, 0x90 , dcl); |
| 2300 | do { |
| 2301 | dcl = pci_read_config32(ctrl[i].f2, 0x90 ); |
| 2302 | } while(((dcl & (1<<11) ) == 0) || ((dcl & (1<<10) ) == 0) ); |
| 2303 | } |
| 2304 | uint32_t base, last_scrub_k, scrub_k; |
| 2305 | uint32_t cnt,zstart,zend; |
| 2306 | msr_t msr,msr_201; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2307 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2308 | pci_write_config32(ctrl[i].f3, 0x58 , |
| 2309 | (0 << 16) | (0 << 8) | (0 << 0)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2310 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2311 | msr_201 = rdmsr(0x201); |
| 2312 | zstart = pci_read_config32(ctrl[0].f1, 0x40 + (i*8)); |
| 2313 | zend = pci_read_config32(ctrl[0].f1, 0x44 + (i*8)); |
| 2314 | zstart >>= 16; |
| 2315 | zend >>=16; |
| 2316 | print_debug("addr "); |
| 2317 | print_debug_hex32(zstart); |
| 2318 | print_debug("-"); |
| 2319 | print_debug_hex32(zend); |
| 2320 | print_debug("\r\n"); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2321 | |
| 2322 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2323 | msr = rdmsr(0x2ff ); |
| 2324 | msr.lo &= ~(1<<10); |
| 2325 | wrmsr(0x2ff , msr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2326 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2327 | msr = rdmsr(0xc0010015); |
| 2328 | msr.lo |= (1<<17); |
| 2329 | wrmsr(0xc0010015,msr); |
| 2330 | for(;zstart<zend;zstart+=4) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2331 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2332 | if(zstart == 0x0fc) |
| 2333 | continue; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2334 | |
| 2335 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2336 | __asm__ volatile( |
| 2337 | "movl %%cr0, %0\n\t" |
| 2338 | "orl $0x40000000, %0\n\t" |
| 2339 | "movl %0, %%cr0\n\t" |
| 2340 | :"=r" (cnt) |
| 2341 | ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2342 | |
| 2343 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2344 | msr.lo = 1 + ((zstart&0x0ff)<<24); |
| 2345 | msr.hi = (zstart&0x0ff00)>>8; |
| 2346 | wrmsr(0x200,msr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2347 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2348 | msr.hi = 0x000000ff; |
| 2349 | msr.lo = 0xfc000800; |
| 2350 | wrmsr(0x201,msr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2351 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2352 | __asm__ volatile( |
| 2353 | "movl %%cr0, %0\n\t" |
| 2354 | "andl $0x9fffffff, %0\n\t" |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2355 | "movl %0, %%cr0\n\t" |
| 2356 | :"=r" (cnt) |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2357 | ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2358 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2359 | msr.lo = (zstart&0xff) << 24; |
| 2360 | msr.hi = (zstart&0xff00) >> 8; |
| 2361 | wrmsr(0xc0000100,msr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2362 | print_debug_char((zstart > 0x0ff)?'+':'-'); |
| 2363 | |
| 2364 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2365 | __asm__ volatile( |
| 2366 | "1: \n\t" |
| 2367 | "movl %0, %%fs:(%1)\n\t" |
| 2368 | "addl $4,%1\n\t" |
| 2369 | "subl $1,%2\n\t" |
| 2370 | "jnz 1b\n\t" |
| 2371 | : |
| 2372 | : "a" (0), "D" (0), "c" (0x01000000) |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2373 | ); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2374 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2375 | |
| 2376 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2377 | __asm__ volatile( |
| 2378 | "movl %%cr0, %0\n\t" |
| 2379 | "orl $0x40000000, %0\n\t" |
| 2380 | "movl %0, %%cr0\n\t" |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2381 | :"=r" (cnt) |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2382 | ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2383 | |
| 2384 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2385 | msr = rdmsr(0x2ff ); |
| 2386 | msr.lo |= 0x0400; |
| 2387 | wrmsr(0x2ff , msr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2388 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2389 | msr.lo = 6; |
| 2390 | msr.hi = 0; |
| 2391 | wrmsr(0x200,msr); |
| 2392 | wrmsr(0x201,msr_201); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2393 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2394 | msr.lo = 0; |
| 2395 | msr.hi = 0; |
| 2396 | wrmsr(0xc0000100,msr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2397 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2398 | __asm__ volatile( |
| 2399 | "movl %%cr0, %0\n\t" |
| 2400 | "andl $0x9fffffff, %0\n\t" |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2401 | "movl %0, %%cr0\n\t" |
| 2402 | :"=r" (cnt) |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2403 | ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2404 | |
| 2405 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2406 | msr = rdmsr(0xc0010015); |
| 2407 | msr.lo &= ~(1<<17); |
| 2408 | wrmsr(0xc0010015,msr); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2409 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2410 | base = pci_read_config32(ctrl[i].f1, 0x40 + (ctrl[i].node_id << 3)); |
| 2411 | base &= 0xffff0000; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2412 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2413 | pci_write_config32(ctrl[i].f3, 0x5C , base << 8); |
| 2414 | pci_write_config32(ctrl[i].f3, 0x60 , base >> 24); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2415 | |
| 2416 | pci_write_config32(ctrl[i].f3, 0x58 , |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2417 | (22 << 16) | (22 << 8) | (22 << 0)); |
| 2418 | print_debug("done\r\n"); |
| 2419 | } |
| 2420 | } |
| 2421 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2422 | |
| 2423 | |
| 2424 | |
| 2425 | |
| 2426 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2427 | typedef uint8_t u8; |
| 2428 | typedef uint32_t u32; |
| 2429 | typedef int8_t bool; |
| 2430 | static void disable_probes(void) |
| 2431 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2432 | |
| 2433 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2434 | u32 val; |
| 2435 | print_debug("Disabling read/write/fill probes for UP... "); |
| 2436 | val=pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x68); |
| 2437 | val |= (1<<10)|(1<<9)|(1<<8)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1 << 0); |
| 2438 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ 0 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x68, val); |
| 2439 | print_debug("done.\r\n"); |
| 2440 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2441 | |
| 2442 | static void wait_ap_stop(u8 node) |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2443 | { |
| 2444 | unsigned long reg; |
| 2445 | unsigned long i; |
| 2446 | for(i=0;i< 1000 ;i++) { |
| 2447 | unsigned long regx; |
| 2448 | regx = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ,0x6c); |
| 2449 | if((regx & (1<<4))==1) break; |
| 2450 | } |
| 2451 | reg = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ,0x6c); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2452 | reg &= ~(1<<4); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2453 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6c, reg); |
| 2454 | } |
| 2455 | static void notify_bsp_ap_is_stopped(void) |
| 2456 | { |
| 2457 | unsigned long reg; |
| 2458 | unsigned long apic_id; |
| 2459 | apic_id = *((volatile unsigned long *)(0xfee00000 + 0x020 )); |
| 2460 | apic_id >>= 24; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2461 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2462 | if(apic_id != 0) { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2463 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2464 | reg = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ apic_id ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6C); |
| 2465 | reg |= 1<<4; |
| 2466 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ apic_id ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6C, reg); |
| 2467 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2468 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2469 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2470 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2471 | static void enable_routing(u8 node) |
| 2472 | { |
| 2473 | u32 val; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2474 | |
| 2475 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2476 | print_debug("Enabling routing table for node "); |
| 2477 | print_debug_hex32(node); |
| 2478 | val=pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6c); |
| 2479 | val &= ~((1<<6)|(1<<5)|(1<<4)|(1<<1)|(1<<0)); |
| 2480 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x6c, val); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2481 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2482 | if(node!=0) { |
| 2483 | wait_ap_stop(node); |
| 2484 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2485 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2486 | print_debug(" done.\r\n"); |
| 2487 | } |
| 2488 | static void rename_temp_node(u8 node) |
| 2489 | { |
| 2490 | uint32_t val; |
| 2491 | print_debug("Renaming current temp node to "); |
| 2492 | print_debug_hex32(node); |
| 2493 | val=pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ 7 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x60); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2494 | val &= (~7); |
| 2495 | val |= node; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2496 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ 7 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x60, val); |
| 2497 | print_debug(" done.\r\n"); |
| 2498 | } |
| 2499 | static bool check_connection(u8 src, u8 dest, u8 link) |
| 2500 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2501 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2502 | u32 val; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2503 | |
| 2504 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2505 | val=pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ src ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x98+link); |
| 2506 | if ( (val&0x17) != 0x03) |
| 2507 | return 0; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2508 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2509 | val=pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ dest ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ,0); |
| 2510 | if(val != 0x11001022) |
| 2511 | return 0; |
| 2512 | return 1; |
| 2513 | } |
| 2514 | static void optimize_connection(u8 node1, u8 link1, u8 node2, u8 link2) |
| 2515 | { |
| 2516 | static const uint8_t link_width_to_pow2[]= { 3, 4, 0, 5, 1, 2, 0, 0 }; |
| 2517 | static const uint8_t pow2_to_link_width[] = { 0x7, 4, 5, 0, 1, 3 }; |
| 2518 | uint16_t freq_cap1, freq_cap2, freq_cap, freq_mask; |
| 2519 | uint8_t width_cap1, width_cap2, width_cap, width, ln_width1, ln_width2; |
| 2520 | uint8_t freq; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2521 | |
| 2522 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2523 | freq_cap1 = pci_read_config16(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node1 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x80 + link1 + 0x0a ); |
| 2524 | freq_cap2 = pci_read_config16(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node2 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x80 + link2 + 0x0a ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2525 | |
| 2526 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2527 | freq = log2(freq_cap1 & freq_cap2 & 0xff); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2528 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2529 | pci_write_config8(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node1 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x80 + link1 + 0x09 , freq); |
| 2530 | pci_write_config8(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node2 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x80 + link2 + 0x09 , freq); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2531 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2532 | width_cap1 = pci_read_config8(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node1 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x80 + link1 + 6 ); |
| 2533 | width_cap2 = pci_read_config8(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node2 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x80 + link2 + 6 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2534 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2535 | ln_width1 = link_width_to_pow2[width_cap1 & 7]; |
| 2536 | ln_width2 = link_width_to_pow2[(width_cap2 >> 4) & 7]; |
| 2537 | if (ln_width1 > ln_width2) { |
| 2538 | ln_width1 = ln_width2; |
| 2539 | } |
| 2540 | width = pow2_to_link_width[ln_width1]; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2541 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2542 | ln_width1 = link_width_to_pow2[(width_cap1 >> 4) & 7]; |
| 2543 | ln_width2 = link_width_to_pow2[width_cap2 & 7]; |
| 2544 | if (ln_width1 > ln_width2) { |
| 2545 | ln_width1 = ln_width2; |
| 2546 | } |
| 2547 | width |= pow2_to_link_width[ln_width1] << 4; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2548 | |
| 2549 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2550 | pci_write_config8(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node1 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x80 + link1 + 6 + 1, width); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2551 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2552 | width = ((width & 0x70) >> 4) | ((width & 0x7) << 4); |
| 2553 | pci_write_config8(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node2 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x80 + link2 + 6 + 1, width); |
| 2554 | } |
| 2555 | static void fill_row(u8 node, u8 row, u32 value) |
| 2556 | { |
| 2557 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x40+(row<<2), value); |
| 2558 | } |
| 2559 | static void setup_row(u8 source, u8 dest, u8 cpus) |
| 2560 | { |
| 2561 | fill_row(source,dest,generate_row(source,dest,cpus)); |
| 2562 | } |
| 2563 | static void setup_temp_row(u8 source, u8 dest, u8 cpus) |
| 2564 | { |
| 2565 | fill_row(source,7,((generate_row( source,dest,cpus )&(~0x0f0000))|0x010000) ); |
| 2566 | } |
| 2567 | static void setup_node(u8 node, u8 cpus) |
| 2568 | { |
| 2569 | u8 row; |
| 2570 | for(row=0; row<cpus; row++) |
| 2571 | setup_row(node, row, cpus); |
| 2572 | } |
| 2573 | static void setup_remote_row(u8 source, u8 dest, u8 cpus) |
| 2574 | { |
| 2575 | fill_row(7, dest, generate_row(source, dest, cpus)); |
| 2576 | } |
| 2577 | static void setup_remote_node(u8 node, u8 cpus) |
| 2578 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2579 | static const uint8_t pci_reg[] = { |
| 2580 | 0x44, 0x4c, 0x54, 0x5c, 0x64, 0x6c, 0x74, 0x7c, |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2581 | 0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78, |
| 2582 | 0x84, 0x8c, 0x94, 0x9c, 0xa4, 0xac, 0xb4, 0xbc, |
| 2583 | 0x80, 0x88, 0x90, 0x98, 0xa0, 0xa8, 0xb0, 0xb8, |
| 2584 | 0xc4, 0xcc, 0xd4, 0xdc, |
| 2585 | 0xc0, 0xc8, 0xd0, 0xd8, |
| 2586 | 0xe0, 0xe4, 0xe8, 0xec, |
| 2587 | }; |
| 2588 | uint8_t row; |
| 2589 | int i; |
| 2590 | print_debug("setup_remote_node\r\n"); |
| 2591 | for(row=0; row<cpus; row++) |
| 2592 | setup_remote_row(node, row, cpus); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2593 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2594 | for(i = 0; i < sizeof(pci_reg)/sizeof(pci_reg[0]); i++) { |
| 2595 | uint32_t value; |
| 2596 | uint8_t reg; |
| 2597 | reg = pci_reg[i]; |
| 2598 | value = pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ 0 ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) , reg); |
| 2599 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ 7 ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) , reg, value); |
| 2600 | } |
| 2601 | print_debug("setup_remote_done\r\n"); |
| 2602 | } |
| 2603 | static u8 setup_uniprocessor(void) |
| 2604 | { |
| 2605 | print_debug("Enabling UP settings\r\n"); |
| 2606 | disable_probes(); |
| 2607 | return 1; |
| 2608 | } |
| 2609 | static u8 setup_smp(void) |
| 2610 | { |
| 2611 | u8 cpus=2; |
| 2612 | print_debug("Enabling SMP settings\r\n"); |
| 2613 | setup_row(0,0,cpus); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2614 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2615 | setup_temp_row(0,1,cpus); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2616 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2617 | if (!check_connection(0, 7, 0x20 )) { |
| 2618 | print_debug("No connection to Node 1.\r\n"); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2619 | fill_row( 0 ,7,0x00010101 ) ; |
| 2620 | setup_uniprocessor(); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2621 | return 1; |
| 2622 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2623 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2624 | optimize_connection(0, 0x20 , 7, 0x20 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2625 | setup_node(0, cpus); |
| 2626 | setup_remote_node(1, cpus); |
| 2627 | rename_temp_node(1); |
| 2628 | enable_routing(1); |
| 2629 | |
| 2630 | fill_row( 0 ,7,0x00010101 ) ; |
| 2631 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2632 | print_debug_hex32(cpus); |
| 2633 | print_debug(" nodes initialized.\r\n"); |
| 2634 | return cpus; |
| 2635 | } |
| 2636 | static unsigned detect_mp_capabilities(unsigned cpus) |
| 2637 | { |
| 2638 | unsigned node, row, mask; |
| 2639 | bool mp_cap= (-1) ; |
| 2640 | print_debug("detect_mp_capabilities: "); |
| 2641 | print_debug_hex32(cpus); |
| 2642 | print_debug("\r\n"); |
| 2643 | if (cpus>2) |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2644 | mask=0x06; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2645 | else |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2646 | mask=0x02; |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2647 | for (node=0; node<cpus; node++) { |
| 2648 | if ((pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 3 ) & 0x7) << 8)) , 0xe8) & mask)!=mask) |
| 2649 | mp_cap= (0) ; |
| 2650 | } |
| 2651 | if (mp_cap) |
| 2652 | return cpus; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2653 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2654 | print_debug("One of the CPUs is not MP capable. Going back to UP\r\n"); |
| 2655 | for (node=cpus; node>0; node--) |
| 2656 | for (row=cpus; row>0; row--) |
| 2657 | fill_row(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node-1 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , row-1, 0x00010101 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2658 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2659 | return setup_uniprocessor(); |
| 2660 | } |
| 2661 | static void coherent_ht_finalize(unsigned cpus) |
| 2662 | { |
| 2663 | int node; |
| 2664 | bool rev_a0; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2665 | |
| 2666 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2667 | print_debug("coherent_ht_finalize\r\n"); |
| 2668 | rev_a0= is_cpu_rev_a0(); |
| 2669 | for (node=0; node<cpus; node++) { |
| 2670 | u32 val; |
| 2671 | val=pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x60); |
| 2672 | val &= (~0x000F0070); |
| 2673 | val |= ((cpus-1)<<16)|((cpus-1)<<4); |
| 2674 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ,0x60,val); |
| 2675 | val=pci_read_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , 0x68); |
| 2676 | val |= 0x00008000; |
| 2677 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ,0x68,val); |
| 2678 | if (rev_a0) { |
| 2679 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ,0x94,0); |
| 2680 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ,0xb4,0); |
| 2681 | pci_write_config32(( ((( 0 ) & 0xFF) << 16) | ((( 24+ node ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) ,0xd4,0); |
| 2682 | } |
| 2683 | } |
| 2684 | print_debug("done\r\n"); |
| 2685 | } |
| 2686 | static int setup_coherent_ht_domain(void) |
| 2687 | { |
| 2688 | unsigned cpus; |
| 2689 | int reset_needed = 0; |
| 2690 | enable_routing(0) ; |
| 2691 | cpus=setup_smp(); |
| 2692 | cpus=detect_mp_capabilities(cpus); |
| 2693 | coherent_ht_finalize(cpus); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2694 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2695 | coherent_ht_mainboard(cpus); |
| 2696 | return reset_needed; |
| 2697 | } |
| 2698 | void sdram_no_memory(void) |
| 2699 | { |
| 2700 | print_err("No memory!!\r\n"); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2701 | while(1) { |
| 2702 | hlt(); |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2703 | } |
| 2704 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2705 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2706 | void sdram_initialize(int controllers, const struct mem_controller *ctrl) |
| 2707 | { |
| 2708 | int i; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2709 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2710 | for(i = 0; i < controllers; i++) { |
| 2711 | print_debug("Ram1."); |
| 2712 | print_debug_hex8(i); |
| 2713 | print_debug("\r\n"); |
| 2714 | sdram_set_registers(ctrl + i); |
| 2715 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2716 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2717 | for(i = 0; i < controllers; i++) { |
| 2718 | print_debug("Ram2."); |
| 2719 | print_debug_hex8(i); |
| 2720 | print_debug("\r\n"); |
| 2721 | sdram_set_spd_registers(ctrl + i); |
| 2722 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2723 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2724 | print_debug("Ram3\r\n"); |
| 2725 | sdram_enable(controllers, ctrl); |
| 2726 | print_debug("Ram4\r\n"); |
| 2727 | } |
| 2728 | static void enable_lapic(void) |
| 2729 | { |
| 2730 | msr_t msr; |
| 2731 | msr = rdmsr(0x1b); |
| 2732 | msr.hi &= 0xffffff00; |
| 2733 | msr.lo &= 0x000007ff; |
| 2734 | msr.lo |= 0xfee00000 | (1 << 11); |
| 2735 | wrmsr(0x1b, msr); |
| 2736 | } |
| 2737 | static void stop_this_cpu(void) |
| 2738 | { |
| 2739 | unsigned apicid; |
| 2740 | apicid = apic_read(0x020 ) >> 24; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2741 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2742 | apic_write(0x310 , (( apicid )<<24) ); |
| 2743 | apic_write(0x300 , 0x08000 | 0x04000 | 0x00500 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2744 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2745 | apic_wait_icr_idle(); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2746 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2747 | apic_write(0x310 , (( apicid )<<24) ); |
| 2748 | apic_write(0x300 , 0x08000 | 0x00500 ); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2749 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2750 | apic_wait_icr_idle(); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2751 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2752 | for(;;) { |
| 2753 | hlt(); |
| 2754 | } |
| 2755 | } |
| 2756 | static void pc87360_enable_serial(void) |
| 2757 | { |
| 2758 | pnp_set_logical_device(0x2e , 0x03 ); |
| 2759 | pnp_set_enable(0x2e , 1); |
| 2760 | pnp_set_iobase0(0x2e , 0x3f8); |
| 2761 | } |
| 2762 | static void main(void) |
| 2763 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2764 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2765 | static const struct mem_controller cpu[] = { |
| 2766 | { |
| 2767 | .node_id = 0, |
| 2768 | .f0 = ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , |
| 2769 | .f1 = ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) , |
| 2770 | .f2 = ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 2 ) & 0x7) << 8)) , |
| 2771 | .f3 = ( ((( 0 ) & 0xFF) << 16) | ((( 0x18 ) & 0x1f) << 11) | ((( 3 ) & 0x7) << 8)) , |
| 2772 | .channel0 = { (0xa<<3)|0, (0xa<<3)|2, 0, 0 }, |
| 2773 | .channel1 = { (0xa<<3)|1, (0xa<<3)|3, 0, 0 }, |
| 2774 | }, |
| 2775 | { |
| 2776 | .node_id = 1, |
| 2777 | .f0 = ( ((( 0 ) & 0xFF) << 16) | ((( 0x19 ) & 0x1f) << 11) | ((( 0 ) & 0x7) << 8)) , |
| 2778 | .f1 = ( ((( 0 ) & 0xFF) << 16) | ((( 0x19 ) & 0x1f) << 11) | ((( 1 ) & 0x7) << 8)) , |
| 2779 | .f2 = ( ((( 0 ) & 0xFF) << 16) | ((( 0x19 ) & 0x1f) << 11) | ((( 2 ) & 0x7) << 8)) , |
| 2780 | .f3 = ( ((( 0 ) & 0xFF) << 16) | ((( 0x19 ) & 0x1f) << 11) | ((( 3 ) & 0x7) << 8)) , |
| 2781 | .channel0 = { (0xa<<3)|4, (0xa<<3)|6, 0, 0 }, |
| 2782 | .channel1 = { (0xa<<3)|5, (0xa<<3)|7, 0, 0 }, |
| 2783 | }, |
| 2784 | }; |
| 2785 | if (cpu_init_detected()) { |
| 2786 | asm("jmp __cpu_reset"); |
| 2787 | } |
| 2788 | enable_lapic(); |
| 2789 | init_timer(); |
| 2790 | if (!boot_cpu()) { |
| 2791 | stop_this_cpu(); |
| 2792 | } |
| 2793 | pc87360_enable_serial(); |
| 2794 | uart_init(); |
| 2795 | console_init(); |
| 2796 | setup_default_resource_map(); |
| 2797 | setup_coherent_ht_domain(); |
| 2798 | enumerate_ht_chain(0); |
| 2799 | distinguish_cpu_resets(0); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2800 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2801 | enable_smbus(); |
| 2802 | memreset_setup(); |
| 2803 | sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 2804 | |
Eric Biederman | 9008960 | 2004-05-28 14:11:54 +0000 | [diff] [blame] | 2805 | } |