Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
Richard Spiegel | 376dc82 | 2017-12-01 08:24:26 -0700 | [diff] [blame] | 4 | * Copyright (C) 2010-2017 Advanced Micro Devices, Inc. |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | |
| 16 | #include <console/console.h> |
| 17 | |
| 18 | #include <arch/io.h> |
| 19 | #include <arch/acpi.h> |
Marshall Dawson | 8a906df | 2017-06-13 14:19:02 -0600 | [diff] [blame] | 20 | #include <bootstate.h> |
Marshall Dawson | e9b862e | 2017-09-22 15:14:46 -0600 | [diff] [blame] | 21 | #include <cpu/x86/smm.h> |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 22 | #include <device/device.h> |
| 23 | #include <device/pci.h> |
| 24 | #include <device/pci_ids.h> |
| 25 | #include <device/pci_ops.h> |
| 26 | #include <cbmem.h> |
Richard Spiegel | 2bbc3dc | 2017-12-06 16:14:58 -0700 | [diff] [blame] | 27 | #include <amdblocks/amd_pci_util.h> |
Marc Jones | dfeb1c4 | 2017-08-07 19:08:24 -0600 | [diff] [blame] | 28 | #include <soc/southbridge.h> |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 29 | #include <soc/smi.h> |
Richard Spiegel | 376dc82 | 2017-12-01 08:24:26 -0700 | [diff] [blame] | 30 | #include <soc/amd_pci_int_defs.h> |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 31 | #include <fchec.h> |
Richard Spiegel | bec44f2 | 2017-11-24 07:41:29 -0700 | [diff] [blame] | 32 | #include <delay.h> |
| 33 | #include <soc/pci_devs.h> |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 34 | |
Richard Spiegel | 376dc82 | 2017-12-01 08:24:26 -0700 | [diff] [blame] | 35 | /* |
| 36 | * Table of APIC register index and associated IRQ name. Using IDX_XXX_NAME |
| 37 | * provides a visible association with the index, therefor helping |
| 38 | * maintainability of table. If a new index/name is defined in |
| 39 | * amd_pci_int_defs.h, just add the pair at the end of this table. |
| 40 | * Order is not important. |
| 41 | */ |
| 42 | const static struct irq_idx_name irq_association[] = { |
Richard Spiegel | e89d444 | 2017-12-08 07:52:42 -0700 | [diff] [blame^] | 43 | { PIRQ_A, "INTA#" }, |
| 44 | { PIRQ_B, "INTB#" }, |
| 45 | { PIRQ_C, "INTC#" }, |
| 46 | { PIRQ_D, "INTD#" }, |
| 47 | { PIRQ_E, "INTE#" }, |
| 48 | { PIRQ_F, "INTF#" }, |
| 49 | { PIRQ_G, "INTG#" }, |
| 50 | { PIRQ_H, "INTH#" }, |
| 51 | { PIRQ_MISC, "Misc" }, |
| 52 | { PIRQ_MISC0, "Misc0" }, |
| 53 | { PIRQ_MISC1, "Misc1" }, |
| 54 | { PIRQ_MISC2, "Misc2" }, |
Richard Spiegel | 376dc82 | 2017-12-01 08:24:26 -0700 | [diff] [blame] | 55 | { PIRQ_SIRQA, "Ser IRQ INTA" }, |
| 56 | { PIRQ_SIRQB, "Ser IRQ INTB" }, |
| 57 | { PIRQ_SIRQC, "Ser IRQ INTC" }, |
| 58 | { PIRQ_SIRQD, "Ser IRQ INTD" }, |
Richard Spiegel | e89d444 | 2017-12-08 07:52:42 -0700 | [diff] [blame^] | 59 | { PIRQ_SCI, "SCI" }, |
| 60 | { PIRQ_SMBUS, "SMBUS" }, |
| 61 | { PIRQ_ASF, "ASF" }, |
| 62 | { PIRQ_HDA, "HDA" }, |
| 63 | { PIRQ_FC, "FC" }, |
| 64 | { PIRQ_PMON, "PerMon" }, |
| 65 | { PIRQ_SD, "SD" }, |
| 66 | { PIRQ_SDIO, "SDIOt" }, |
| 67 | { PIRQ_IMC0, "IMC INT0" }, |
| 68 | { PIRQ_IMC1, "IMC INT1" }, |
| 69 | { PIRQ_IMC2, "IMC INT2" }, |
| 70 | { PIRQ_IMC3, "IMC INT3" }, |
| 71 | { PIRQ_IMC4, "IMC INT4" }, |
| 72 | { PIRQ_IMC5, "IMC INT5" }, |
| 73 | { PIRQ_EHCI, "EHCI" }, |
| 74 | { PIRQ_XHCI, "XHCI" }, |
| 75 | { PIRQ_SATA, "SATA" }, |
| 76 | { PIRQ_GPIO, "GPIO" }, |
| 77 | { PIRQ_I2C0, "I2C0" }, |
| 78 | { PIRQ_I2C1, "I2C1" }, |
| 79 | { PIRQ_I2C2, "I2C2" }, |
| 80 | { PIRQ_I2C3, "I2C3" }, |
| 81 | { PIRQ_UART0, "UART0" }, |
| 82 | { PIRQ_UART1, "UART1" }, |
Richard Spiegel | 376dc82 | 2017-12-01 08:24:26 -0700 | [diff] [blame] | 83 | }; |
| 84 | |
Richard Spiegel | ebf3aa8 | 2017-11-24 07:47:42 -0700 | [diff] [blame] | 85 | /* |
| 86 | * Structure to simplify code obtaining the total of used wide IO |
| 87 | * registers and the size assigned to each. |
| 88 | */ |
| 89 | static struct wide_io_ioport_and_bits { |
| 90 | uint32_t enable; |
| 91 | uint16_t port; |
| 92 | uint8_t alt; |
| 93 | } wio_io_en[TOTAL_WIDEIO_PORTS] = { |
| 94 | { |
| 95 | LPC_WIDEIO0_ENABLE, |
| 96 | LPC_WIDEIO_GENERIC_PORT, |
| 97 | LPC_ALT_WIDEIO0_ENABLE |
| 98 | }, |
| 99 | { |
| 100 | LPC_WIDEIO1_ENABLE, |
| 101 | LPC_WIDEIO1_GENERIC_PORT, |
| 102 | LPC_ALT_WIDEIO1_ENABLE |
| 103 | }, |
| 104 | { |
| 105 | LPC_WIDEIO2_ENABLE, |
| 106 | LPC_WIDEIO2_GENERIC_PORT, |
| 107 | LPC_ALT_WIDEIO2_ENABLE |
| 108 | } |
| 109 | }; |
| 110 | |
Richard Spiegel | 376dc82 | 2017-12-01 08:24:26 -0700 | [diff] [blame] | 111 | const struct irq_idx_name *sb_get_apic_reg_association(size_t *size) |
| 112 | { |
| 113 | *size = ARRAY_SIZE(irq_association); |
| 114 | return irq_association; |
| 115 | } |
| 116 | |
Richard Spiegel | ebf3aa8 | 2017-11-24 07:47:42 -0700 | [diff] [blame] | 117 | /** |
| 118 | * @brief Find the size of a particular wide IO |
| 119 | * |
| 120 | * @param index = index of desired wide IO |
| 121 | * |
| 122 | * @return size of desired wide IO |
| 123 | */ |
| 124 | uint16_t sb_wideio_size(int index) |
| 125 | { |
| 126 | uint32_t enable_register; |
| 127 | uint16_t size = 0; |
| 128 | uint8_t alternate_register; |
| 129 | |
| 130 | if (index >= TOTAL_WIDEIO_PORTS) |
| 131 | return size; |
| 132 | enable_register = pci_read_config32(SOC_LPC_DEV, |
| 133 | LPC_IO_OR_MEM_DECODE_ENABLE); |
| 134 | alternate_register = pci_read_config8(SOC_LPC_DEV, |
| 135 | LPC_ALT_WIDEIO_RANGE_ENABLE); |
| 136 | if (enable_register & wio_io_en[index].enable) |
| 137 | size = (alternate_register & wio_io_en[index].alt) ? |
| 138 | 16 : 512; |
| 139 | return size; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * @brief Identify if any LPC wide IO is covering the IO range |
| 144 | * |
| 145 | * @param start = start of IO range |
| 146 | * @param size = size of IO range |
| 147 | * |
| 148 | * @return Index of wide IO covering the range or error |
| 149 | */ |
| 150 | int sb_find_wideio_range(uint16_t start, uint16_t size) |
| 151 | { |
| 152 | uint32_t enable_register; |
| 153 | int i, index = WIDEIO_RANGE_ERROR; |
| 154 | uint16_t end, current_size, start_wideio, end_wideio; |
| 155 | |
| 156 | end = start + size; |
| 157 | enable_register = pci_read_config32(SOC_LPC_DEV, |
| 158 | LPC_IO_OR_MEM_DECODE_ENABLE); |
| 159 | for (i = 0; i < TOTAL_WIDEIO_PORTS; i++) { |
| 160 | current_size = sb_wideio_size(i); |
| 161 | if (current_size == 0) |
| 162 | continue; |
| 163 | start_wideio = pci_read_config16(SOC_LPC_DEV, |
| 164 | wio_io_en[i].port); |
| 165 | end_wideio = start_wideio + current_size; |
| 166 | if ((start >= start_wideio) && (end <= end_wideio)) { |
| 167 | index = i; |
| 168 | break; |
| 169 | } |
| 170 | } |
| 171 | return index; |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * @brief Program a LPC wide IO to support an IO range |
| 176 | * |
| 177 | * @param start = start of range to be routed through wide IO |
| 178 | * @param size = size of range to be routed through wide IO |
| 179 | * |
| 180 | * @return Index of wide IO register used or error |
| 181 | */ |
| 182 | int sb_set_wideio_range(uint16_t start, uint16_t size) |
| 183 | { |
| 184 | int i, index = WIDEIO_RANGE_ERROR; |
| 185 | uint32_t enable_register; |
| 186 | uint8_t alternate_register; |
| 187 | |
| 188 | enable_register = pci_read_config32(SOC_LPC_DEV, |
| 189 | LPC_IO_OR_MEM_DECODE_ENABLE); |
| 190 | alternate_register = pci_read_config8(SOC_LPC_DEV, |
| 191 | LPC_ALT_WIDEIO_RANGE_ENABLE); |
| 192 | for (i = 0; i < TOTAL_WIDEIO_PORTS; i++) { |
| 193 | if (enable_register & wio_io_en[i].enable) |
| 194 | continue; |
| 195 | index = i; |
| 196 | pci_write_config16(SOC_LPC_DEV, wio_io_en[i].port, start); |
| 197 | enable_register |= wio_io_en[i].enable; |
| 198 | pci_write_config32(SOC_LPC_DEV, LPC_IO_OR_MEM_DECODE_ENABLE, |
| 199 | enable_register); |
| 200 | if (size <= 16) |
| 201 | alternate_register |= wio_io_en[i].alt; |
| 202 | else |
| 203 | alternate_register &= ~wio_io_en[i].alt; |
| 204 | pci_write_config8(SOC_LPC_DEV, |
| 205 | LPC_ALT_WIDEIO_RANGE_ENABLE, |
| 206 | alternate_register); |
| 207 | break; |
| 208 | } |
| 209 | return index; |
| 210 | } |
| 211 | |
Richard Spiegel | bec44f2 | 2017-11-24 07:41:29 -0700 | [diff] [blame] | 212 | void configure_stoneyridge_uart(void) |
| 213 | { |
| 214 | u8 byte, byte2; |
| 215 | |
| 216 | if (CONFIG_UART_FOR_CONSOLE < 0 || CONFIG_UART_FOR_CONSOLE > 1) |
| 217 | return; |
| 218 | |
| 219 | /* Power on the UART and AMBA devices */ |
| 220 | byte = read8((void *)ACPI_MMIO_BASE + AOAC_BASE + FCH_AOAC_REG56 |
| 221 | + CONFIG_UART_FOR_CONSOLE * 2); |
| 222 | byte |= AOAC_PWR_ON_DEV; |
| 223 | write8((void *)ACPI_MMIO_BASE + AOAC_BASE + FCH_AOAC_REG56 |
| 224 | + CONFIG_UART_FOR_CONSOLE * 2, byte); |
| 225 | |
| 226 | byte = read8((void *)ACPI_MMIO_BASE + AOAC_BASE + FCH_AOAC_REG62); |
| 227 | byte |= AOAC_PWR_ON_DEV; |
| 228 | write8((void *)ACPI_MMIO_BASE + AOAC_BASE + FCH_AOAC_REG62, byte); |
| 229 | |
| 230 | /* Set the GPIO mux to UART */ |
| 231 | write8((void *)FCH_IOMUXx89_UART0_RTS_L_EGPIO137, 0); |
| 232 | write8((void *)FCH_IOMUXx8A_UART0_TXD_EGPIO138, 0); |
| 233 | write8((void *)FCH_IOMUXx8E_UART1_RTS_L_EGPIO142, 0); |
| 234 | write8((void *)FCH_IOMUXx8F_UART1_TXD_EGPIO143, 0); |
| 235 | |
| 236 | /* Wait for the UART and AMBA devices to indicate power and clock OK */ |
| 237 | do { |
| 238 | udelay(100); |
| 239 | byte = read8((void *)ACPI_MMIO_BASE + AOAC_BASE + FCH_AOAC_REG57 |
| 240 | + CONFIG_UART_FOR_CONSOLE * 2); |
| 241 | byte &= (A0AC_PWR_RST_STATE | AOAC_RST_CLK_OK_STATE); |
| 242 | byte2 = read8((void *)ACPI_MMIO_BASE + AOAC_BASE |
| 243 | + FCH_AOAC_REG63); |
| 244 | byte2 &= (A0AC_PWR_RST_STATE | AOAC_RST_CLK_OK_STATE); |
| 245 | } while (!((byte == (A0AC_PWR_RST_STATE | AOAC_RST_CLK_OK_STATE)) && |
| 246 | (byte2 == (A0AC_PWR_RST_STATE | AOAC_RST_CLK_OK_STATE)))); |
| 247 | |
| 248 | } |
| 249 | |
| 250 | void sb_pci_port80(void) |
| 251 | { |
| 252 | u8 byte; |
| 253 | |
| 254 | byte = pci_read_config8(SOC_LPC_DEV, LPC_IO_OR_MEM_DEC_EN_HIGH); |
| 255 | byte &= ~DECODE_IO_PORT_ENABLE4_H; /* disable lpc port 80 */ |
| 256 | pci_write_config8(SOC_LPC_DEV, LPC_IO_OR_MEM_DEC_EN_HIGH, byte); |
| 257 | } |
| 258 | |
| 259 | void sb_lpc_port80(void) |
| 260 | { |
| 261 | u8 byte; |
| 262 | |
| 263 | /* Enable LPC controller */ |
| 264 | outb(PM_LPC_GATING, PM_INDEX); |
| 265 | byte = inb(PM_DATA); |
| 266 | byte |= PM_LPC_ENABLE; |
| 267 | outb(PM_LPC_GATING, PM_INDEX); |
| 268 | outb(byte, PM_DATA); |
| 269 | |
| 270 | /* Enable port 80 LPC decode in pci function 3 configuration space. */ |
| 271 | byte = pci_read_config8(SOC_LPC_DEV, LPC_IO_OR_MEM_DEC_EN_HIGH); |
| 272 | byte |= DECODE_IO_PORT_ENABLE4_H; /* enable port 80 */ |
| 273 | pci_write_config8(SOC_LPC_DEV, LPC_IO_OR_MEM_DEC_EN_HIGH, byte); |
| 274 | } |
| 275 | |
| 276 | void sb_lpc_decode(void) |
| 277 | { |
| 278 | u32 tmp = 0; |
| 279 | |
| 280 | /* Enable I/O decode to LPC bus */ |
| 281 | tmp = DECODE_ENABLE_PARALLEL_PORT0 | DECODE_ENABLE_PARALLEL_PORT2 |
| 282 | | DECODE_ENABLE_PARALLEL_PORT4 | DECODE_ENABLE_SERIAL_PORT0 |
| 283 | | DECODE_ENABLE_SERIAL_PORT1 | DECODE_ENABLE_SERIAL_PORT2 |
| 284 | | DECODE_ENABLE_SERIAL_PORT3 | DECODE_ENABLE_SERIAL_PORT4 |
| 285 | | DECODE_ENABLE_SERIAL_PORT5 | DECODE_ENABLE_SERIAL_PORT6 |
| 286 | | DECODE_ENABLE_SERIAL_PORT7 | DECODE_ENABLE_AUDIO_PORT0 |
| 287 | | DECODE_ENABLE_AUDIO_PORT1 | DECODE_ENABLE_AUDIO_PORT2 |
| 288 | | DECODE_ENABLE_AUDIO_PORT3 | DECODE_ENABLE_MSS_PORT2 |
| 289 | | DECODE_ENABLE_MSS_PORT3 | DECODE_ENABLE_FDC_PORT0 |
| 290 | | DECODE_ENABLE_FDC_PORT1 | DECODE_ENABLE_GAME_PORT |
| 291 | | DECODE_ENABLE_KBC_PORT | DECODE_ENABLE_ACPIUC_PORT |
| 292 | | DECODE_ENABLE_ADLIB_PORT; |
| 293 | |
| 294 | pci_write_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, tmp); |
| 295 | } |
| 296 | |
| 297 | void sb_clk_output_48Mhz(void) |
| 298 | { |
| 299 | u32 ctrl; |
| 300 | |
| 301 | /* |
| 302 | * Enable the X14M_25M_48M_OSC pin and leaving it at it's default so |
| 303 | * 48Mhz will be on ball AP13 (FT3b package) |
| 304 | */ |
| 305 | ctrl = read32((void *)(ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG40)); |
| 306 | |
| 307 | /* clear the OSCOUT1_ClkOutputEnb to enable the 48 Mhz clock */ |
| 308 | ctrl &= ~FCH_MISC_REG40_OSCOUT1_EN; |
| 309 | write32((void *)(ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG40), ctrl); |
| 310 | } |
| 311 | |
| 312 | static uintptr_t sb_spibase(void) |
| 313 | { |
| 314 | u32 base, enables; |
| 315 | |
| 316 | /* Make sure the base address is predictable */ |
| 317 | base = pci_read_config32(SOC_LPC_DEV, SPIROM_BASE_ADDRESS_REGISTER); |
| 318 | enables = base & 0xf; |
| 319 | base &= ~0x3f; |
| 320 | |
| 321 | if (!base) { |
| 322 | base = SPI_BASE_ADDRESS; |
| 323 | pci_write_config32(SOC_LPC_DEV, SPIROM_BASE_ADDRESS_REGISTER, |
| 324 | base | enables | SPI_ROM_ENABLE); |
| 325 | /* PCI_COMMAND_MEMORY is read-only and enabled. */ |
| 326 | } |
| 327 | return (uintptr_t)base; |
| 328 | } |
| 329 | |
| 330 | void sb_set_spi100(u16 norm, u16 fast, u16 alt, u16 tpm) |
| 331 | { |
| 332 | uintptr_t base = sb_spibase(); |
| 333 | write16((void *)base + SPI100_SPEED_CONFIG, |
| 334 | (norm << SPI_NORM_SPEED_NEW_SH) | |
| 335 | (fast << SPI_FAST_SPEED_NEW_SH) | |
| 336 | (alt << SPI_ALT_SPEED_NEW_SH) | |
| 337 | (tpm << SPI_TPM_SPEED_NEW_SH)); |
| 338 | write16((void *)base + SPI100_ENABLE, SPI_USE_SPI100); |
| 339 | } |
| 340 | |
| 341 | void sb_disable_4dw_burst(void) |
| 342 | { |
| 343 | uintptr_t base = sb_spibase(); |
| 344 | write16((void *)base + SPI100_HOST_PREF_CONFIG, |
| 345 | read16((void *)base + SPI100_HOST_PREF_CONFIG) |
| 346 | & ~SPI_RD4DW_EN_HOST); |
| 347 | } |
| 348 | |
| 349 | void sb_set_readspeed(u16 norm, u16 fast) |
| 350 | { |
| 351 | uintptr_t base = sb_spibase(); |
| 352 | write16((void *)base + SPI_CNTRL1, (read16((void *)base + SPI_CNTRL1) |
| 353 | & ~SPI_CNTRL1_SPEED_MASK) |
| 354 | | (norm << SPI_NORM_SPEED_SH) |
| 355 | | (fast << SPI_FAST_SPEED_SH)); |
| 356 | } |
| 357 | |
| 358 | void sb_read_mode(u32 mode) |
| 359 | { |
| 360 | uintptr_t base = sb_spibase(); |
| 361 | write32((void *)base + SPI_CNTRL0, |
| 362 | (read32((void *)base + SPI_CNTRL0) |
| 363 | & ~SPI_READ_MODE_MASK) | mode); |
| 364 | } |
| 365 | |
| 366 | void sb_tpm_decode_spi(void) |
| 367 | { |
| 368 | u32 spibase = pci_read_config32(SOC_LPC_DEV, |
| 369 | SPIROM_BASE_ADDRESS_REGISTER); |
| 370 | pci_write_config32(SOC_LPC_DEV, SPIROM_BASE_ADDRESS_REGISTER, spibase |
| 371 | | ROUTE_TPM_2_SPI); |
| 372 | } |
| 373 | |
| 374 | /* |
| 375 | * Enable 4MB (LPC) ROM access at 0xFFC00000 - 0xFFFFFFFF. |
| 376 | * |
| 377 | * Hardware should enable LPC ROM by pin straps. This function does not |
| 378 | * handle the theoretically possible PCI ROM, FWH, or SPI ROM configurations. |
| 379 | * |
| 380 | * The southbridge power-on default is to map 512K ROM space. |
| 381 | * |
| 382 | */ |
| 383 | void sb_enable_rom(void) |
| 384 | { |
| 385 | u8 reg8; |
| 386 | |
| 387 | /* |
| 388 | * Decode variable LPC ROM address ranges 1 and 2. |
| 389 | * Bits 3-4 are not defined in any publicly available datasheet |
| 390 | */ |
| 391 | reg8 = pci_read_config8(SOC_LPC_DEV, LPC_IO_OR_MEM_DECODE_ENABLE); |
| 392 | reg8 |= (1 << 3) | (1 << 4); |
| 393 | pci_write_config8(SOC_LPC_DEV, LPC_IO_OR_MEM_DECODE_ENABLE, reg8); |
| 394 | |
| 395 | /* |
| 396 | * LPC ROM address range 1: |
| 397 | * Enable LPC ROM range mirroring start at 0x000e(0000). |
| 398 | */ |
| 399 | pci_write_config16(SOC_LPC_DEV, ROM_ADDRESS_RANGE1_START, 0x000e); |
| 400 | |
| 401 | /* Enable LPC ROM range mirroring end at 0x000f(ffff). */ |
| 402 | pci_write_config16(SOC_LPC_DEV, ROM_ADDRESS_RANGE1_END, 0x000f); |
| 403 | |
| 404 | /* |
| 405 | * LPC ROM address range 2: |
| 406 | * |
| 407 | * Enable LPC ROM range start at: |
| 408 | * 0xfff8(0000): 512KB |
| 409 | * 0xfff0(0000): 1MB |
| 410 | * 0xffe0(0000): 2MB |
| 411 | * 0xffc0(0000): 4MB |
| 412 | */ |
| 413 | pci_write_config16(SOC_LPC_DEV, ROM_ADDRESS_RANGE2_START, 0x10000 |
| 414 | - (CONFIG_COREBOOT_ROMSIZE_KB >> 6)); |
| 415 | |
| 416 | /* Enable LPC ROM range end at 0xffff(ffff). */ |
| 417 | pci_write_config16(SOC_LPC_DEV, ROM_ADDRESS_RANGE2_END, 0xffff); |
| 418 | } |
| 419 | |
| 420 | void bootblock_fch_early_init(void) |
| 421 | { |
| 422 | sb_enable_rom(); |
| 423 | sb_lpc_port80(); |
| 424 | sb_lpc_decode(); |
| 425 | } |
| 426 | |
| 427 | int s3_save_nvram_early(u32 dword, int size, int nvram_pos) |
| 428 | { |
| 429 | int i; |
| 430 | printk(BIOS_DEBUG, "Writing %x of size %d to nvram pos: %d\n", |
| 431 | dword, size, nvram_pos); |
| 432 | |
| 433 | for (i = 0; i < size; i++) { |
| 434 | outb(nvram_pos, BIOSRAM_INDEX); |
| 435 | outb((dword >> (8 * i)) & 0xff, BIOSRAM_DATA); |
| 436 | nvram_pos++; |
| 437 | } |
| 438 | |
| 439 | return nvram_pos; |
| 440 | } |
| 441 | |
| 442 | int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos) |
| 443 | { |
| 444 | u32 data = *old_dword; |
| 445 | int i; |
| 446 | for (i = 0; i < size; i++) { |
| 447 | outb(nvram_pos, BIOSRAM_INDEX); |
| 448 | data &= ~(0xff << (i * 8)); |
| 449 | data |= inb(BIOSRAM_DATA) << (i * 8); |
| 450 | nvram_pos++; |
| 451 | } |
| 452 | *old_dword = data; |
| 453 | printk(BIOS_DEBUG, "Loading %x of size %d to nvram pos:%d\n", |
| 454 | *old_dword, size, nvram_pos-size); |
| 455 | return nvram_pos; |
| 456 | } |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 457 | |
| 458 | int acpi_get_sleep_type(void) |
| 459 | { |
Marshall Dawson | f9592cc | 2017-11-09 16:55:31 -0700 | [diff] [blame] | 460 | return acpi_sleep_from_pm1(inw(pm_acpi_pm_cnt_blk())); |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 461 | } |
| 462 | |
Marc Jones | dfeb1c4 | 2017-08-07 19:08:24 -0600 | [diff] [blame] | 463 | void sb_enable(device_t dev) |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 464 | { |
Marc Jones | dfeb1c4 | 2017-08-07 19:08:24 -0600 | [diff] [blame] | 465 | printk(BIOS_DEBUG, "%s\n", __func__); |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 466 | } |
| 467 | |
Marc Jones | dfeb1c4 | 2017-08-07 19:08:24 -0600 | [diff] [blame] | 468 | static void sb_init_acpi_ports(void) |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 469 | { |
Marshall Dawson | 91b8041 | 2017-09-27 16:44:40 -0600 | [diff] [blame] | 470 | u32 reg; |
| 471 | |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 472 | /* We use some of these ports in SMM regardless of whether or not |
| 473 | * ACPI tables are generated. Enable these ports indiscriminately. |
| 474 | */ |
| 475 | |
| 476 | pm_write16(PM_EVT_BLK, ACPI_PM_EVT_BLK); |
| 477 | pm_write16(PM1_CNT_BLK, ACPI_PM1_CNT_BLK); |
| 478 | pm_write16(PM_TMR_BLK, ACPI_PM_TMR_BLK); |
| 479 | pm_write16(PM_GPE0_BLK, ACPI_GPE0_BLK); |
| 480 | /* CpuControl is in \_PR.CP00, 6 bytes */ |
| 481 | pm_write16(PM_CPU_CTRL, ACPI_CPU_CONTROL); |
| 482 | |
| 483 | if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) { |
Marshall Dawson | a05fdcb | 2017-09-27 15:01:37 -0600 | [diff] [blame] | 484 | /* APMC - SMI Command Port */ |
Marshall Dawson | e9b862e | 2017-09-22 15:14:46 -0600 | [diff] [blame] | 485 | pm_write16(PM_ACPI_SMI_CMD, APM_CNT); |
Marshall Dawson | a05fdcb | 2017-09-27 15:01:37 -0600 | [diff] [blame] | 486 | configure_smi(SMITYPE_SMI_CMD_PORT, SMI_MODE_SMI); |
Marshall Dawson | 91b8041 | 2017-09-27 16:44:40 -0600 | [diff] [blame] | 487 | |
| 488 | /* SMI on SlpTyp requires sending SMI before completion |
| 489 | * response of the I/O write. The BKDG also specifies |
| 490 | * clearing ForceStpClkRetry for SMI trapping. |
| 491 | */ |
| 492 | reg = pm_read32(PM_PCI_CTRL); |
| 493 | reg |= FORCE_SLPSTATE_RETRY; |
| 494 | reg &= ~FORCE_STPCLK_RETRY; |
| 495 | pm_write32(PM_PCI_CTRL, reg); |
| 496 | |
| 497 | /* Disable SlpTyp feature */ |
| 498 | reg = pm_read8(PM_RST_CTRL1); |
| 499 | reg &= ~SLPTYPE_CONTROL_EN; |
| 500 | pm_write8(PM_RST_CTRL1, reg); |
| 501 | |
| 502 | configure_smi(SMITYPE_SLP_TYP, SMI_MODE_SMI); |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 503 | } else { |
| 504 | pm_write16(PM_ACPI_SMI_CMD, 0); |
| 505 | } |
| 506 | |
Marshall Dawson | 5e2e74f | 2017-11-10 09:59:56 -0700 | [diff] [blame] | 507 | /* Decode ACPI registers and enable standard features */ |
| 508 | pm_write8(PM_ACPI_CONF, PM_ACPI_DECODE_STD | |
| 509 | PM_ACPI_GLOBAL_EN | |
| 510 | PM_ACPI_RTC_EN_EN | |
| 511 | PM_ACPI_TIMER_EN_EN); |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 512 | } |
| 513 | |
Marc Jones | dfeb1c4 | 2017-08-07 19:08:24 -0600 | [diff] [blame] | 514 | void southbridge_init(void *chip_info) |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 515 | { |
Marc Jones | dfeb1c4 | 2017-08-07 19:08:24 -0600 | [diff] [blame] | 516 | sb_init_acpi_ports(); |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 517 | } |
| 518 | |
Marc Jones | dfeb1c4 | 2017-08-07 19:08:24 -0600 | [diff] [blame] | 519 | void southbridge_final(void *chip_info) |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 520 | { |
Richard Spiegel | 38f1940 | 2017-09-29 11:39:46 -0700 | [diff] [blame] | 521 | if (IS_ENABLED(CONFIG_STONEYRIDGE_IMC_FWM)) { |
| 522 | agesawrapper_fchecfancontrolservice(); |
| 523 | if (!IS_ENABLED(CONFIG_ACPI_ENABLE_THERMAL_ZONE)) |
| 524 | enable_imc_thermal_zone(); |
| 525 | } |
Marc Jones | 2448484 | 2017-05-04 21:17:45 -0600 | [diff] [blame] | 526 | } |
Marshall Dawson | 8a906df | 2017-06-13 14:19:02 -0600 | [diff] [blame] | 527 | |
| 528 | /* |
| 529 | * Update the PCI devices with a valid IRQ number |
| 530 | * that is set in the mainboard PCI_IRQ structures. |
| 531 | */ |
| 532 | static void set_pci_irqs(void *unused) |
| 533 | { |
| 534 | /* Write PCI_INTR regs 0xC00/0xC01 */ |
| 535 | write_pci_int_table(); |
| 536 | |
| 537 | /* Write IRQs for all devicetree enabled devices */ |
| 538 | write_pci_cfg_irqs(); |
| 539 | } |
| 540 | |
| 541 | /* |
| 542 | * Hook this function into the PCI state machine |
| 543 | * on entry into BS_DEV_ENABLE. |
| 544 | */ |
| 545 | BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, set_pci_irqs, NULL); |