diff options
Diffstat (limited to 'src/soc/intel/sch/early_init.c')
| -rw-r--r-- | src/soc/intel/sch/early_init.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/soc/intel/sch/early_init.c b/src/soc/intel/sch/early_init.c new file mode 100644 index 0000000000..ccc8022246 --- /dev/null +++ b/src/soc/intel/sch/early_init.c @@ -0,0 +1,216 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009-2010 iWave Systems + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "sch.h" + +#if 0 +static void sch_set_mtrr(void) +{ + msr_t msr; + printk(BIOS_DEBUG, "1"); + msr.hi = 0x06060606; + msr.lo = 0x06060606; + wrmsr(0x250, msr); + printk(BIOS_DEBUG, "2"); + msr.hi = 0x06060606; + msr.lo = 0x06060606; + wrmsr(0x258, msr); + printk(BIOS_DEBUG, "3"); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x259, msr); + printk(BIOS_DEBUG, "4"); + msr.hi = 0x04040404; + msr.lo = 0x04040404; + wrmsr(0x268, msr); + printk(BIOS_DEBUG, "5"); + msr.hi = 0x04040404; + msr.lo = 0x04040404; + wrmsr(0x269, msr); + printk(BIOS_DEBUG, "6"); + msr.hi = 0x04040404; + msr.lo = 0x04040404; + wrmsr(0x26A, msr); + printk(BIOS_DEBUG, "7"); + msr.hi = 0x04040404; + msr.lo = 0x04040404; + wrmsr(0x26B, msr); + printk(BIOS_DEBUG, "8"); + msr.hi = 0x04040404; + msr.lo = 0x04040404; + wrmsr(0x26C, msr); + printk(BIOS_DEBUG, "9"); + msr.hi = 0x05050505; + msr.lo = 0x05050505; + wrmsr(0x26D, msr); + printk(BIOS_DEBUG, "10"); + msr.hi = 0x05050505; + msr.lo = 0x05050505; + wrmsr(0x26E, msr); + printk(BIOS_DEBUG, "11"); + msr.hi = 0x05050505; + msr.lo = 0x05050505; + wrmsr(0x26f, msr); + printk(BIOS_DEBUG, "12"); + msr.hi = 0x0; + msr.lo = 0x6; + wrmsr(0x202, msr); + printk(BIOS_DEBUG, "13"); + msr.hi = 0x0; + msr.lo = 0xC0000800; + wrmsr(0x203, msr); + printk(BIOS_DEBUG, "14"); + msr.hi = 0x0; + msr.lo = 0x3FAF0000; + wrmsr(0x204, msr); + printk(BIOS_DEBUG, "15"); + msr.hi = 0x0; + msr.lo = 0xFFFF0800; + wrmsr(0x205, msr); + printk(BIOS_DEBUG, "16"); + msr.hi = 0x0; + msr.lo = 0x3FB00000; + wrmsr(0x206, msr); + printk(BIOS_DEBUG, "16"); + msr.hi = 0x0; + msr.lo = 0xFFF00800; + wrmsr(0x207, msr); + printk(BIOS_DEBUG, "17"); + msr.hi = 0x0; + msr.lo = 0x3FC00000; + wrmsr(0x208, msr); + printk(BIOS_DEBUG, "18"); + msr.hi = 0x0; + msr.lo = 0xFFC00800; + wrmsr(0x209, msr); + printk(BIOS_DEBUG, "19"); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x20A, msr); + printk(BIOS_DEBUG, "20"); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x20B, msr); + printk(BIOS_DEBUG, "21"); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x20a, msr); + printk(BIOS_DEBUG, "22"); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x20B, msr); + printk(BIOS_DEBUG, "23"); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x20c, msr); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x20d, msr); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x20E, msr); + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(0x20F, msr); + msr.hi = 0x0; + msr.lo = 0XC00; + wrmsr(0x2FF, msr); + printk(BIOS_DEBUG, "end"); +} +#endif + +static void sch_detect_chipset(void) +{ + u16 reg16; + u8 reg8; + printk(BIOS_INFO, "\n"); + reg16 = pci_read_config16(PCI_DEV(0, 0x00, 0), 0x2); + switch (reg16) { + case 0x8101: + printk(BIOS_INFO, "UL11L/US15L"); + break; + case 0x8100: + printk(BIOS_INFO, "US15W"); + break; + default: + /* Others reserved. */ + printk(BIOS_INFO, "Unknown (%02x)", reg16); + } + printk(BIOS_INFO, " Chipset "); + + reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0x8); + switch (reg8) { + case 3: + printk(BIOS_INFO, "Qual. Sample ES1, Stepping B1"); + break; + case 4: + printk(BIOS_INFO, "Qual. Sample ES2, Stepping C0"); + break; + case 5: + printk(BIOS_INFO, "Qual. Sample ES2-Prime, Stepping D0"); + break; + case 6: + printk(BIOS_INFO, "Qual. Sample QS, Stepping D1"); + break; + default: + /* Others reserved. */ + printk(BIOS_INFO, "Unknown (%02x)", reg8); + } + printk(BIOS_INFO, "\n"); +} + +static void sch_setup_non_standard_bars(void) +{ + printk(BIOS_DEBUG, "Setting up ACPI PM1 block "); + /* Address 0x1000 size 16B */ + pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x48, + (0x80000000 | DEFAULT_PMBASE)); + + printk(BIOS_DEBUG, "Setting up ACPI P block "); + /* Address 0x1010 size 16B */ + sch_port_access_write(4, 0x70, 4, 0x80001010); + + /* SMBus address 0x1040 size 64B */ + pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x40, 0x80001040); + + /* GPIO address 0x1080 size 64B */ + pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x44, 0x80001080); + + /* GPE0 address 0x10C0 size 64B */ + pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x4C, 0x800010C0); + + sch_port_access_write(2, 4, 4, 0x3F703F76); /* FIXME: SMM Control */ + + /* Base of Stolen Memory Address 0x1080 size 64B */ + pci_write_config32(PCI_DEV(0, 0x02, 0), 0x5C, 0x3F800000); + + sch_port_access_write(0, 0, 4, DEFAULT_PCIEXBAR | 1); /* pre-b1 */ + sch_port_access_write(2, 9, 4, DEFAULT_PCIEXBAR | 1); /* b1+ */ + + /* RCBA */ + pci_write_config32(PCI_DEV(0, 0x1f, 0), 0xF0, + ((uintptr_t)DEFAULT_RCBABASE | 1)); + + printk(BIOS_DEBUG, " done.\n"); +} + +static void sch_early_initialization(void) +{ + /* Print some chipset specific information. */ + sch_detect_chipset(); + + /* Setup all non standard BARs. */ + sch_setup_non_standard_bars(); +} |