| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootblock_common.h> |
| #include <stdint.h> |
| #include <arch/io.h> |
| #include <device/pnp_ops.h> |
| #include <device/pci_ops.h> |
| #include <option.h> |
| #include <console/console.h> |
| #include <northbridge/intel/i945/i945.h> |
| #include <southbridge/intel/i82801gx/i82801gx.h> |
| |
| void mainboard_pre_raminit_config(int s3_resume) |
| { |
| u32 gpios; |
| |
| printk(BIOS_SPEW, "\n Initializing drive bay...\n"); |
| gpios = inl(DEFAULT_GPIOBASE + 0x38); // GPIO Level 2 |
| gpios |= (1 << 0); // GPIO33 = ODD |
| gpios |= (1 << 1); // GPIO34 = IDE_RST# |
| outl(gpios, DEFAULT_GPIOBASE + 0x38); /* GP_LVL2 */ |
| |
| gpios = inl(DEFAULT_GPIOBASE + 0x0c); // GPIO Level |
| gpios &= ~(1 << 13); // ?? |
| outl(gpios, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */ |
| |
| printk(BIOS_SPEW, "\n Initializing Ethernet NIC...\n"); |
| gpios = inl(DEFAULT_GPIOBASE + 0x0c); // GPIO Level |
| gpios &= ~(1 << 24); // Enable LAN Power |
| outl(gpios, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */ |
| } |
| |
| /* Override the default lpc decode ranges */ |
| void mainboard_lpc_decode(void) |
| { |
| int lpt_en = 0; |
| |
| if (get_uint_option("lpt", 0)) |
| lpt_en = LPT_LPC_EN; /* enable LPT */ |
| |
| // decode range |
| pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC, 0x0007); |
| // decode range |
| pci_update_config32(PCI_DEV(0, 0x1f, 0), LPC_EN, ~LPT_LPC_EN, lpt_en); |
| } |
| |
| /* This box has two superios, so enabling serial becomes slightly excessive. |
| * We disable a lot of stuff to make sure that there are no conflicts between |
| * the two. Also set up the GPIOs from the beginning. This is the "no schematic |
| * but safe anyways" method. |
| */ |
| static void pnp_enter_ext_func_mode(pnp_devfn_t dev) |
| { |
| unsigned int port = dev >> 8; |
| outb(0x55, port); |
| } |
| |
| static void pnp_exit_ext_func_mode(pnp_devfn_t dev) |
| { |
| unsigned int port = dev >> 8; |
| outb(0xaa, port); |
| } |
| |
| void bootblock_mainboard_early_init(void) |
| { |
| const pnp_devfn_t dev = PNP_DEV(0x4e, 0x00); |
| |
| pnp_enter_ext_func_mode(dev); |
| pnp_write_config(dev, 0x02, 0x0e); // UART power |
| pnp_write_config(dev, 0x1b, (0x3e8 >> 2)); // UART3 base |
| pnp_write_config(dev, 0x1c, (0x2e8 >> 2)); // UART4 base |
| pnp_write_config(dev, 0x1d, (5 << 4) | 11); // UART3,4 IRQ |
| pnp_write_config(dev, 0x1e, 1); // no 32khz clock |
| pnp_write_config(dev, 0x24, (0x3f8 >> 2)); // UART1 base |
| pnp_write_config(dev, 0x28, (4 << 4) | 0); // UART1,2 IRQ |
| pnp_write_config(dev, 0x2c, 0); // DMA0 FIR |
| pnp_write_config(dev, 0x30, (0x600 >> 4)); // Runtime Register Block Base |
| |
| pnp_write_config(dev, 0x31, 0xce); // GPIO1 DIR |
| pnp_write_config(dev, 0x32, 0x00); // GPIO1 POL |
| pnp_write_config(dev, 0x33, 0x0f); // GPIO2 DIR |
| pnp_write_config(dev, 0x34, 0x00); // GPIO2 POL |
| pnp_write_config(dev, 0x35, 0xa8); // GPIO3 DIR |
| pnp_write_config(dev, 0x36, 0x00); // GPIO3 POL |
| pnp_write_config(dev, 0x37, 0xa8); // GPIO4 DIR |
| pnp_write_config(dev, 0x38, 0x00); // GPIO4 POL |
| |
| pnp_write_config(dev, 0x39, 0x00); // GPIO1 OUT |
| pnp_write_config(dev, 0x40, 0x80); // GPIO2/MISC OUT |
| pnp_write_config(dev, 0x41, 0x00); // GPIO5 OUT |
| pnp_write_config(dev, 0x42, 0xa8); // GPIO5 DIR |
| pnp_write_config(dev, 0x43, 0x00); // GPIO5 POL |
| pnp_write_config(dev, 0x44, 0x00); // GPIO ALT1 |
| pnp_write_config(dev, 0x45, 0x50); // GPIO ALT2 |
| pnp_write_config(dev, 0x46, 0x00); // GPIO ALT3 |
| |
| pnp_write_config(dev, 0x48, 0x55); // GPIO ALT5 |
| pnp_write_config(dev, 0x49, 0x55); // GPIO ALT6 |
| pnp_write_config(dev, 0x4a, 0x55); // GPIO ALT7 |
| pnp_write_config(dev, 0x4b, 0x55); // GPIO ALT8 |
| pnp_write_config(dev, 0x4c, 0x55); // GPIO ALT9 |
| pnp_write_config(dev, 0x4d, 0x55); // GPIO ALT10 |
| |
| pnp_exit_ext_func_mode(dev); |
| } |
| |
| void mainboard_late_rcba_config(void) |
| { |
| /* Device 1f interrupt pin register */ |
| RCBA32(D31IP) = 0x00042220; |
| /* Device 1d interrupt pin register */ |
| RCBA32(D28IP) = 0x00214321; |
| |
| /* dev irq route register */ |
| RCBA16(D31IR) = 0x0232; |
| RCBA16(D30IR) = 0x3246; |
| RCBA16(D29IR) = 0x0237; |
| RCBA16(D28IR) = 0x3201; |
| RCBA16(D27IR) = 0x3216; |
| |
| /* Disable unused devices */ |
| RCBA32(FD) |= FD_INTLAN; |
| |
| /* This should probably go into the ACPI enable trap */ |
| /* Set up I/O Trap #0 for 0xfe00 (SMIC) */ |
| RCBA32(0x1e84) = 0x00020001; |
| RCBA32(0x1e80) = 0x0000fe01; |
| |
| /* Set up I/O Trap #3 for 0x800-0x80c (Trap) */ |
| RCBA32(0x1e9c) = 0x000200f0; |
| RCBA32(0x1e98) = 0x000c0801; |
| } |