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author | Arthur Heymans <arthur@aheymans.xyz> | 2019-01-31 22:47:09 +0100 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2019-02-06 11:09:23 +0000 |
commit | 3b0eb602b99f5f3ae3137263b6040f78a314c2aa (patch) | |
tree | 1451f7a596e42dbc31f0bff7683f71da51f4fad7 /src/mainboard/lenovo/t400/romstage.c | |
parent | 1bde3124b487ae76e8d5433eba0ba8c58c67a7ea (diff) | |
download | coreboot-3b0eb602b99f5f3ae3137263b6040f78a314c2aa.tar.xz |
nb/intel/gm45: Use a common romstage
This moves a lot of the common romstage boilerplate code to a common
location, while adding a few mainboard specific hooks.
Another difference is that the settings for enable_igd and enable_peg
are now based on the static devicetree settings.
Change-Id: I30ef7f6962aabde78b5c40e0b53bb85e01c254c1
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/31190
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src/mainboard/lenovo/t400/romstage.c')
-rw-r--r-- | src/mainboard/lenovo/t400/romstage.c | 117 |
1 files changed, 23 insertions, 94 deletions
diff --git a/src/mainboard/lenovo/t400/romstage.c b/src/mainboard/lenovo/t400/romstage.c index 44f560bb6a..9f8993c5be 100644 --- a/src/mainboard/lenovo/t400/romstage.c +++ b/src/mainboard/lenovo/t400/romstage.c @@ -16,15 +16,7 @@ // __PRE_RAM__ means: use "unsigned" for device, not a struct. -#include <stdint.h> -#include <string.h> #include <arch/io.h> -#include <arch/acpi.h> -#include <cpu/x86/lapic.h> -#include <cpu/x86/tsc.h> -#include <cpu/intel/romstage.h> -#include <cbmem.h> -#include <romstage_handoff.h> #include <console/console.h> #include <southbridge/intel/i82801ix/i82801ix.h> #include <southbridge/intel/common/gpio.h> @@ -33,7 +25,6 @@ #include "dock.h" #define LPC_DEV PCI_DEV(0, 0x1f, 0) -#define MCH_DEV PCI_DEV(0, 0, 0) static void hybrid_graphics_init(sysinfo_t *sysinfo) { @@ -45,7 +36,9 @@ static void hybrid_graphics_init(sysinfo_t *sysinfo) sysinfo->enable_peg = peg; } -static void early_lpc_setup(void) +static int dock_err; + +void mb_setup_lpc(void) { /* Set up SuperIO LPC forwards */ @@ -59,99 +52,35 @@ static void early_lpc_setup(void) pci_write_config32(LPC_DEV, D31F0_GEN3_DEC, 0x1c1681); } -void mainboard_romstage_entry(unsigned long bist) +void mb_setup_superio(void) { - sysinfo_t sysinfo; - int s3resume = 0; - int cbmem_initted; - int err; - u16 reg16; - - /* basic northbridge setup, including MMCONF BAR */ - gm45_early_init(); - - if (bist == 0) - enable_lapic(); - - /* First, run everything needed for console output. */ - i82801ix_early_init(); - early_lpc_setup(); - /* Minimal setup to detect dock */ - err = pc87382_early(); - if (err == 0) + dock_err = pc87382_early(); + if (dock_err == 0) dock_connect(); +} - console_init(); - printk(BIOS_DEBUG, "running main(bist = %lu)\n", bist); +void get_mb_spd_addrmap(u8 *spd_addrmap) +{ + spd_addrmap[0] = 0x50; + spd_addrmap[2] = 0x51; +} - /* Print dock info */ - if (err) +void mb_pre_raminit_setup(sysinfo_t *sysinfo) +{ + /* Console is not yet initialized in mb_setup_superio, so we print + the dock information here */ + if (dock_err) printk(BIOS_ERR, "DOCK: Failed to init pc87382\n"); else dock_info(); - reg16 = pci_read_config16(LPC_DEV, D31F0_GEN_PMCON_3); - pci_write_config16(LPC_DEV, D31F0_GEN_PMCON_3, reg16); - if ((MCHBAR16(SSKPD_MCHBAR) == 0xCAFE) && !(reg16 & (1 << 9))) { - printk(BIOS_DEBUG, "soft reset detected, rebooting properly\n"); - gm45_early_reset(); - } - - setup_pch_gpios(&mainboard_gpio_map); - - /* ASPM related setting, set early by original BIOS. */ - DMIBAR16(0x204) &= ~(3 << 10); - - /* Check for S3 resume. */ - const u32 pm1_cnt = inl(DEFAULT_PMBASE + 0x04); - if (((pm1_cnt >> 10) & 7) == 5) { - if (acpi_s3_resume_allowed()) { - printk(BIOS_DEBUG, "Resume from S3 detected.\n"); - s3resume = 1; - /* Clear SLP_TYPE. This will break stage2 but - * we care for that when we get there. - */ - outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + 0x04); - } else { - printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n"); - } - } - - /* RAM initialization */ - enter_raminit_or_reset(); - memset(&sysinfo, 0, sizeof(sysinfo)); - sysinfo.spd_map[0] = 0x50; - sysinfo.spd_map[2] = 0x51; - get_gmch_info(&sysinfo); - - /* Configure graphic GPIOs. - * Make sure there's a little delay between - * setup_pch_gpios() and this call ! */ - hybrid_graphics_init(&sysinfo); - - raminit(&sysinfo, s3resume); - - const u32 deven = pci_read_config32(MCH_DEV, D0F0_DEVEN); - /* Disable D4F0 (unknown signal controller). */ - pci_write_config32(MCH_DEV, D0F0_DEVEN, deven & ~0x4000); - - init_pm(&sysinfo, 0); - - i82801ix_dmi_setup(); - gm45_late_init(sysinfo.stepping); - i82801ix_dmi_poll_vc1(); - - MCHBAR16(SSKPD_MCHBAR) = 0xCAFE; - - init_iommu(); + hybrid_graphics_init(sysinfo); +} - /* FIXME: make a proper SMBUS mux support. */ +void mb_post_raminit_setup(void) +{ + /* FIXME: make a proper SMBUS mux support. */ + /* Set the SMBUS mux to the eeprom */ set_gpio(42, GPIO_LEVEL_LOW); - - cbmem_initted = !cbmem_recovery(s3resume); - - romstage_handoff_init(cbmem_initted && s3resume); - - printk(BIOS_SPEW, "exit main()\n"); } |