diff options
Diffstat (limited to 'arch/x86/cpu')
| -rw-r--r-- | arch/x86/cpu/ivybridge/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/early_init.c | 81 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/northbridge.c | 67 |
3 files changed, 67 insertions, 82 deletions
diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile index 0c7efae..bdbd3fa 100644 --- a/arch/x86/cpu/ivybridge/Makefile +++ b/arch/x86/cpu/ivybridge/Makefile @@ -7,7 +7,6 @@ obj-y += bd82x6x.o obj-y += car.o obj-y += cpu.o -obj-y += early_init.o obj-y += early_me.o obj-y += gma.o obj-y += lpc.o diff --git a/arch/x86/cpu/ivybridge/early_init.c b/arch/x86/cpu/ivybridge/early_init.c deleted file mode 100644 index 5b16abc..0000000 --- a/arch/x86/cpu/ivybridge/early_init.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * From Coreboot - * - * Copyright (C) 2007-2010 coresystems GmbH - * Copyright (C) 2011 Google Inc - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <dm.h> -#include <asm/io.h> -#include <asm/pci.h> -#include <asm/arch/pch.h> -#include <asm/arch/sandybridge.h> - -static void sandybridge_setup_northbridge_bars(struct udevice *dev) -{ - /* Set up all hardcoded northbridge BARs */ - debug("Setting up static registers\n"); - dm_pci_write_config32(dev, EPBAR, DEFAULT_EPBAR | 1); - dm_pci_write_config32(dev, EPBAR + 4, (0LL + DEFAULT_EPBAR) >> 32); - dm_pci_write_config32(dev, MCHBAR, DEFAULT_MCHBAR | 1); - dm_pci_write_config32(dev, MCHBAR + 4, (0LL + DEFAULT_MCHBAR) >> 32); - /* 64MB - busses 0-63 */ - dm_pci_write_config32(dev, PCIEXBAR, DEFAULT_PCIEXBAR | 5); - dm_pci_write_config32(dev, PCIEXBAR + 4, - (0LL + DEFAULT_PCIEXBAR) >> 32); - dm_pci_write_config32(dev, DMIBAR, DEFAULT_DMIBAR | 1); - dm_pci_write_config32(dev, DMIBAR + 4, (0LL + DEFAULT_DMIBAR) >> 32); - - /* Set C0000-FFFFF to access RAM on both reads and writes */ - dm_pci_write_config8(dev, PAM0, 0x30); - dm_pci_write_config8(dev, PAM1, 0x33); - dm_pci_write_config8(dev, PAM2, 0x33); - dm_pci_write_config8(dev, PAM3, 0x33); - dm_pci_write_config8(dev, PAM4, 0x33); - dm_pci_write_config8(dev, PAM5, 0x33); - dm_pci_write_config8(dev, PAM6, 0x33); -} - -static int bd82x6x_northbridge_probe(struct udevice *dev) -{ - const int chipset_type = SANDYBRIDGE_MOBILE; - u32 capid0_a; - u8 reg8; - - if (gd->flags & GD_FLG_RELOC) - return 0; - - /* Device ID Override Enable should be done very early */ - dm_pci_read_config32(dev, 0xe4, &capid0_a); - if (capid0_a & (1 << 10)) { - dm_pci_read_config8(dev, 0xf3, ®8); - reg8 &= ~7; /* Clear 2:0 */ - - if (chipset_type == SANDYBRIDGE_MOBILE) - reg8 |= 1; /* Set bit 0 */ - - dm_pci_write_config8(dev, 0xf3, reg8); - } - - sandybridge_setup_northbridge_bars(dev); - - /* Device Enable */ - dm_pci_write_config32(dev, DEVEN, DEVEN_HOST | DEVEN_IGD); - - return 0; -} - -static const struct udevice_id bd82x6x_northbridge_ids[] = { - { .compatible = "intel,bd82x6x-northbridge" }, - { } -}; - -U_BOOT_DRIVER(bd82x6x_northbridge_drv) = { - .name = "bd82x6x_northbridge", - .id = UCLASS_NORTHBRIDGE, - .of_match = bd82x6x_northbridge_ids, - .probe = bd82x6x_northbridge_probe, -}; diff --git a/arch/x86/cpu/ivybridge/northbridge.c b/arch/x86/cpu/ivybridge/northbridge.c index e3d8c13..6b00d31 100644 --- a/arch/x86/cpu/ivybridge/northbridge.c +++ b/arch/x86/cpu/ivybridge/northbridge.c @@ -8,6 +8,7 @@ */ #include <common.h> +#include <dm.h> #include <asm/msr.h> #include <asm/acpi.h> #include <asm/cpu.h> @@ -170,3 +171,69 @@ void northbridge_init(pci_dev_t dev) void northbridge_enable(pci_dev_t dev) { } + +static void sandybridge_setup_northbridge_bars(struct udevice *dev) +{ + /* Set up all hardcoded northbridge BARs */ + debug("Setting up static registers\n"); + dm_pci_write_config32(dev, EPBAR, DEFAULT_EPBAR | 1); + dm_pci_write_config32(dev, EPBAR + 4, (0LL + DEFAULT_EPBAR) >> 32); + dm_pci_write_config32(dev, MCHBAR, DEFAULT_MCHBAR | 1); + dm_pci_write_config32(dev, MCHBAR + 4, (0LL + DEFAULT_MCHBAR) >> 32); + /* 64MB - busses 0-63 */ + dm_pci_write_config32(dev, PCIEXBAR, DEFAULT_PCIEXBAR | 5); + dm_pci_write_config32(dev, PCIEXBAR + 4, + (0LL + DEFAULT_PCIEXBAR) >> 32); + dm_pci_write_config32(dev, DMIBAR, DEFAULT_DMIBAR | 1); + dm_pci_write_config32(dev, DMIBAR + 4, (0LL + DEFAULT_DMIBAR) >> 32); + + /* Set C0000-FFFFF to access RAM on both reads and writes */ + dm_pci_write_config8(dev, PAM0, 0x30); + dm_pci_write_config8(dev, PAM1, 0x33); + dm_pci_write_config8(dev, PAM2, 0x33); + dm_pci_write_config8(dev, PAM3, 0x33); + dm_pci_write_config8(dev, PAM4, 0x33); + dm_pci_write_config8(dev, PAM5, 0x33); + dm_pci_write_config8(dev, PAM6, 0x33); +} + +static int bd82x6x_northbridge_probe(struct udevice *dev) +{ + const int chipset_type = SANDYBRIDGE_MOBILE; + u32 capid0_a; + u8 reg8; + + if (gd->flags & GD_FLG_RELOC) + return 0; + + /* Device ID Override Enable should be done very early */ + dm_pci_read_config32(dev, 0xe4, &capid0_a); + if (capid0_a & (1 << 10)) { + dm_pci_read_config8(dev, 0xf3, ®8); + reg8 &= ~7; /* Clear 2:0 */ + + if (chipset_type == SANDYBRIDGE_MOBILE) + reg8 |= 1; /* Set bit 0 */ + + dm_pci_write_config8(dev, 0xf3, reg8); + } + + sandybridge_setup_northbridge_bars(dev); + + /* Device Enable */ + dm_pci_write_config32(dev, DEVEN, DEVEN_HOST | DEVEN_IGD); + + return 0; +} + +static const struct udevice_id bd82x6x_northbridge_ids[] = { + { .compatible = "intel,bd82x6x-northbridge" }, + { } +}; + +U_BOOT_DRIVER(bd82x6x_northbridge_drv) = { + .name = "bd82x6x_northbridge", + .id = UCLASS_NORTHBRIDGE, + .of_match = bd82x6x_northbridge_ids, + .probe = bd82x6x_northbridge_probe, +}; |