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-rw-r--r--arch/x86/Kconfig39
-rw-r--r--arch/x86/cpu/Makefile1
-rw-r--r--arch/x86/cpu/coreboot/Kconfig15
-rw-r--r--arch/x86/cpu/coreboot/coreboot.c22
-rw-r--r--arch/x86/cpu/coreboot/pci.c30
-rw-r--r--arch/x86/cpu/coreboot/timestamp.c33
-rw-r--r--arch/x86/cpu/ivybridge/car.S74
-rw-r--r--arch/x86/cpu/ivybridge/cpu.c27
-rw-r--r--arch/x86/cpu/ivybridge/gma.c16
-rw-r--r--arch/x86/cpu/ivybridge/microcode_intel.c26
-rw-r--r--arch/x86/cpu/ivybridge/sdram.c10
-rw-r--r--arch/x86/cpu/mtrr.c81
-rw-r--r--arch/x86/cpu/pci.c11
-rw-r--r--arch/x86/cpu/queensbay/fsp_support.c95
-rw-r--r--arch/x86/cpu/queensbay/tnc_dram.c39
-rw-r--r--arch/x86/cpu/start.S8
-rw-r--r--arch/x86/dts/Makefile4
-rw-r--r--arch/x86/dts/alex.dts24
-rw-r--r--[l---------]arch/x86/dts/chromebook_link.dts217
-rw-r--r--arch/x86/dts/coreboot.dtsi17
-rw-r--r--arch/x86/dts/crownbay.dts94
-rw-r--r--arch/x86/dts/link.dts224
-rw-r--r--arch/x86/dts/serial.dtsi9
-rw-r--r--arch/x86/include/asm/arch-ivybridge/microcode.h6
-rw-r--r--arch/x86/include/asm/arch-queensbay/fsp/fsp_hob.h68
-rw-r--r--arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h5
-rw-r--r--arch/x86/include/asm/global_data.h16
-rw-r--r--arch/x86/include/asm/mtrr.h163
-rw-r--r--arch/x86/include/asm/pci.h2
-rw-r--r--arch/x86/lib/Makefile1
-rw-r--r--arch/x86/lib/bios.c14
-rw-r--r--arch/x86/lib/cmd_hob.c18
-rw-r--r--arch/x86/lib/cmd_mtrr.c138
-rw-r--r--arch/x86/lib/init_helpers.c8
-rw-r--r--arch/x86/lib/tsc_timer.c8
35 files changed, 980 insertions, 583 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ebf72b3..90e828a 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -47,13 +47,10 @@ config RAMBASE
hex
default 0x100000
-config RAMTOP
- hex
- default 0x200000
-
config XIP_ROM_SIZE
hex
- default 0x10000
+ depends on X86_RESET_VECTOR
+ default ROM_SIZE
config CPU_ADDR_BITS
int
@@ -70,6 +67,15 @@ config SMM_TSEG
config SMM_TSEG_SIZE
hex
+config X86_RESET_VECTOR
+ bool
+ default n
+
+config SYS_X86_START16
+ hex
+ depends on X86_RESET_VECTOR
+ default 0xfffff800
+
config BOARD_ROMSIZE_KB_512
bool
config BOARD_ROMSIZE_KB_1024
@@ -85,6 +91,7 @@ config BOARD_ROMSIZE_KB_16384
choice
prompt "ROM chip size"
+ depends on X86_RESET_VECTOR
default UBOOT_ROMSIZE_KB_512 if BOARD_ROMSIZE_KB_512
default UBOOT_ROMSIZE_KB_1024 if BOARD_ROMSIZE_KB_1024
default UBOOT_ROMSIZE_KB_2048 if BOARD_ROMSIZE_KB_2048
@@ -317,6 +324,28 @@ config FRAMEBUFFER_VESA_MODE
endmenu
+config TSC_CALIBRATION_BYPASS
+ bool "Bypass Time-Stamp Counter (TSC) calibration"
+ default n
+ help
+ By default U-Boot automatically calibrates Time-Stamp Counter (TSC)
+ running frequency via Model-Specific Register (MSR) and Programmable
+ Interval Timer (PIT). If the calibration does not work on your board,
+ select this option and provide a hardcoded TSC running frequency with
+ CONFIG_TSC_FREQ_IN_MHZ below.
+
+ Normally this option should be turned on in a simulation environment
+ like qemu.
+
+config TSC_FREQ_IN_MHZ
+ int "Time-Stamp Counter (TSC) running frequency in MHz"
+ depends on TSC_CALIBRATION_BYPASS
+ default 1000
+ help
+ The running frequency in MHz of Time-Stamp Counter (TSC).
+
+source "arch/x86/cpu/coreboot/Kconfig"
+
source "arch/x86/cpu/ivybridge/Kconfig"
source "arch/x86/cpu/queensbay/Kconfig"
diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 5033d2b..62e43c0 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -17,5 +17,6 @@ obj-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += ivybridge/
obj-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += ivybridge/
obj-$(CONFIG_INTEL_QUEENSBAY) += queensbay/
obj-y += lapic.o
+obj-y += mtrr.o
obj-$(CONFIG_PCI) += pci.o
obj-y += turbo.o
diff --git a/arch/x86/cpu/coreboot/Kconfig b/arch/x86/cpu/coreboot/Kconfig
new file mode 100644
index 0000000..e0e3c64
--- /dev/null
+++ b/arch/x86/cpu/coreboot/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_COREBOOT
+
+config SYS_COREBOOT
+ bool
+ default y
+
+config CBMEM_CONSOLE
+ bool
+ default y
+
+config VIDEO_COREBOOT
+ bool
+ default y
+
+endif
diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index cfacc05..6d06d5a 100644
--- a/arch/x86/cpu/coreboot/coreboot.c
+++ b/arch/x86/cpu/coreboot/coreboot.c
@@ -15,6 +15,7 @@
#include <asm/cache.h>
#include <asm/cpu.h>
#include <asm/io.h>
+#include <asm/mtrr.h>
#include <asm/arch/tables.h>
#include <asm/arch/sysinfo.h>
#include <asm/arch/timestamp.h>
@@ -64,11 +65,6 @@ int board_eth_init(bd_t *bis)
return pci_eth_init(bis);
}
-#define MTRR_TYPE_WP 5
-#define MTRRcap_MSR 0xfe
-#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
-#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
-
void board_final_cleanup(void)
{
/* Un-cache the ROM so the kernel has one
@@ -77,15 +73,17 @@ void board_final_cleanup(void)
* Coreboot should have assigned this to the
* top available variable MTRR.
*/
- u8 top_mtrr = (native_read_msr(MTRRcap_MSR) & 0xff) - 1;
- u8 top_type = native_read_msr(MTRRphysBase_MSR(top_mtrr)) & 0xff;
+ u8 top_mtrr = (native_read_msr(MTRR_CAP_MSR) & 0xff) - 1;
+ u8 top_type = native_read_msr(MTRR_PHYS_BASE_MSR(top_mtrr)) & 0xff;
/* Make sure this MTRR is the correct Write-Protected type */
- if (top_type == MTRR_TYPE_WP) {
- disable_caches();
- wrmsrl(MTRRphysBase_MSR(top_mtrr), 0);
- wrmsrl(MTRRphysMask_MSR(top_mtrr), 0);
- enable_caches();
+ if (top_type == MTRR_TYPE_WRPROT) {
+ struct mtrr_state state;
+
+ mtrr_open(&state);
+ wrmsrl(MTRR_PHYS_BASE_MSR(top_mtrr), 0);
+ wrmsrl(MTRR_PHYS_MASK_MSR(top_mtrr), 0);
+ mtrr_close(&state);
}
/* Issue SMI to Coreboot to lock down ME and registers */
diff --git a/arch/x86/cpu/coreboot/pci.c b/arch/x86/cpu/coreboot/pci.c
index 6a3dd93..c9983f1 100644
--- a/arch/x86/cpu/coreboot/pci.c
+++ b/arch/x86/cpu/coreboot/pci.c
@@ -13,6 +13,8 @@
#include <pci.h>
#include <asm/pci.h>
+DECLARE_GLOBAL_DATA_PTR;
+
static void config_pci_bridge(struct pci_controller *hose, pci_dev_t dev,
struct pci_config_table *table)
{
@@ -35,7 +37,31 @@ void board_pci_setup_hose(struct pci_controller *hose)
hose->first_busno = 0;
hose->last_busno = 0;
- pci_set_region(hose->regions + 0, 0x0, 0x0, 0xffffffff,
+ /* PCI memory space */
+ pci_set_region(hose->regions + 0,
+ CONFIG_PCI_MEM_BUS,
+ CONFIG_PCI_MEM_PHYS,
+ CONFIG_PCI_MEM_SIZE,
PCI_REGION_MEM);
- hose->region_count = 1;
+
+ /* PCI IO space */
+ pci_set_region(hose->regions + 1,
+ CONFIG_PCI_IO_BUS,
+ CONFIG_PCI_IO_PHYS,
+ CONFIG_PCI_IO_SIZE,
+ PCI_REGION_IO);
+
+ pci_set_region(hose->regions + 2,
+ CONFIG_PCI_PREF_BUS,
+ CONFIG_PCI_PREF_PHYS,
+ CONFIG_PCI_PREF_SIZE,
+ PCI_REGION_PREFETCH);
+
+ pci_set_region(hose->regions + 3,
+ 0,
+ 0,
+ gd->ram_size,
+ PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+
+ hose->region_count = 4;
}
diff --git a/arch/x86/cpu/coreboot/timestamp.c b/arch/x86/cpu/coreboot/timestamp.c
index bd3558a..0edee6b 100644
--- a/arch/x86/cpu/coreboot/timestamp.c
+++ b/arch/x86/cpu/coreboot/timestamp.c
@@ -3,18 +3,7 @@
*
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
@@ -38,9 +27,27 @@ static struct timestamp_table *ts_table __attribute__((section(".data")));
void timestamp_init(void)
{
+#ifdef CONFIG_SYS_X86_TSC_TIMER
+ uint64_t base_time;
+#endif
+
ts_table = lib_sysinfo.tstamp_table;
#ifdef CONFIG_SYS_X86_TSC_TIMER
- timer_set_base(ts_table->base_time);
+ /*
+ * If coreboot is built with CONFIG_COLLECT_TIMESTAMPS, use the value
+ * of base_time in coreboot's timestamp table as our timer base,
+ * otherwise TSC counter value will be used.
+ *
+ * Sometimes even coreboot is built with CONFIG_COLLECT_TIMESTAMPS,
+ * the value of base_time in the timestamp table is still zero, so
+ * we must exclude this case too (this is currently seen on booting
+ * coreboot in qemu)
+ */
+ if (ts_table && ts_table->base_time)
+ base_time = ts_table->base_time;
+ else
+ base_time = rdtsc();
+ timer_set_base(base_time);
#endif
timestamp_add_now(TS_U_BOOT_INITTED);
}
diff --git a/arch/x86/cpu/ivybridge/car.S b/arch/x86/cpu/ivybridge/car.S
index dca68e4..9441666 100644
--- a/arch/x86/cpu/ivybridge/car.S
+++ b/arch/x86/cpu/ivybridge/car.S
@@ -12,9 +12,11 @@
*/
#include <common.h>
+#include <asm/msr-index.h>
#include <asm/mtrr.h>
#include <asm/post.h>
#include <asm/processor-flags.h>
+#include <asm/arch/microcode.h>
#define MTRR_PHYS_BASE_MSR(reg) (0x200 + 2 * (reg))
#define MTRR_PHYS_MASK_MSR(reg) (0x200 + 2 * (reg) + 1)
@@ -45,6 +47,14 @@ car_init:
movl $0xFEE00300, %esi
movl %eax, (%esi)
+ /* TODO: Load microcode later - the 'no eviction' mode breaks this */
+ movl $MSR_IA32_UCODE_WRITE, %ecx
+ xorl %edx, %edx
+ movl $_dt_ucode_base_size, %eax
+ movl (%eax), %eax
+ addl $UCODE_HEADER_LEN, %eax
+ wrmsr
+
post_code(POST_CAR_SIPI)
/* Zero out all fixed range and variable range MTRRs */
movl $mtrr_table, %esi
@@ -61,7 +71,7 @@ clear_mtrrs:
post_code(POST_CAR_MTRR)
/* Configure the default memory type to uncacheable */
- movl $MTRRdefType_MSR, %ecx
+ movl $MTRR_DEF_TYPE_MSR, %ecx
rdmsr
andl $(~0x00000cff), %eax
wrmsr
@@ -76,16 +86,16 @@ clear_mtrrs:
post_code(POST_CAR_BASE_ADDRESS)
/* Set Cache-as-RAM mask */
movl $(MTRR_PHYS_MASK_MSR(0)), %ecx
- movl $(~(CACHE_AS_RAM_SIZE - 1) | MTRRphysMaskValid), %eax
+ movl $(~(CACHE_AS_RAM_SIZE - 1) | MTRR_PHYS_MASK_VALID), %eax
movl $CPU_PHYSMASK_HI, %edx
wrmsr
post_code(POST_CAR_MASK)
/* Enable MTRR */
- movl $MTRRdefType_MSR, %ecx
+ movl $MTRR_DEF_TYPE_MSR, %ecx
rdmsr
- orl $MTRRdefTypeEn, %eax
+ orl $MTRR_DEF_TYPE_EN, %eax
wrmsr
/* Enable cache (CR0.CD = 0, CR0.NW = 0) */
@@ -130,7 +140,7 @@ clear_mtrrs:
movl $MTRR_PHYS_MASK_MSR(1), %ecx
movl $CPU_PHYSMASK_HI, %edx
- movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
+ movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRR_PHYS_MASK_VALID), %eax
wrmsr
post_code(POST_CAR_ROM_CACHE)
@@ -141,7 +151,7 @@ clear_mtrrs:
xorl %edx, %edx
wrmsr
movl $MTRR_PHYS_MASK_MSR(2), %ecx
- movl $(CACHE_MRC_MASK | MTRRphysMaskValid), %eax
+ movl $(CACHE_MRC_MASK | MTRR_PHYS_MASK_VALID), %eax
movl $CPU_PHYSMASK_HI, %edx
wrmsr
#endif
@@ -163,6 +173,52 @@ wait_for_sipi:
/* return */
jmp car_init_ret
+.globl car_uninit
+car_uninit:
+ /* Disable cache */
+ movl %cr0, %eax
+ orl $X86_CR0_CD, %eax
+ movl %eax, %cr0
+
+ /* Disable MTRRs */
+ movl $MTRR_DEF_TYPE_MSR, %ecx
+ rdmsr
+ andl $(~MTRR_DEF_TYPE_EN), %eax
+ wrmsr
+
+ /* Disable the no-eviction run state */
+ movl NOEVICTMOD_MSR, %ecx
+ rdmsr
+ andl $~2, %eax
+ wrmsr
+
+ invd
+
+ /* Disable the no-eviction mode */
+ rdmsr
+ andl $~1, %eax
+ wrmsr
+
+#ifdef CONFIG_CACHE_MRC_BIN
+ /* Clear the MTRR that was used to cache MRC */
+ xorl %eax, %eax
+ xorl %edx, %edx
+ movl $MTRR_PHYS_BASE_MSR(2), %ecx
+ wrmsr
+ movl $MTRR_PHYS_MASK_MSR(2), %ecx
+ wrmsr
+#endif
+
+ /* Enable MTRRs */
+ movl $MTRR_DEF_TYPE_MSR, %ecx
+ rdmsr
+ orl $MTRR_DEF_TYPE_EN, %eax
+ wrmsr
+
+ invd
+
+ ret
+
mtrr_table:
/* Fixed MTRRs */
.word 0x250, 0x258, 0x259
@@ -176,3 +232,9 @@ mtrr_table:
.word 0x20C, 0x20D, 0x20E, 0x20F
.word 0x210, 0x211, 0x212, 0x213
mtrr_table_end:
+
+ .align 4
+_dt_ucode_base_size:
+ /* These next two fields are filled in by ifdtool */
+ .long 0 /* microcode base */
+ .long 0 /* microcode size */
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
index 969b07b..e925310 100644
--- a/arch/x86/cpu/ivybridge/cpu.c
+++ b/arch/x86/cpu/ivybridge/cpu.c
@@ -49,27 +49,6 @@ static void enable_spi_prefetch(struct pci_controller *hose, pci_dev_t dev)
pci_hose_write_config_byte(hose, dev, 0xdc, reg8);
}
-static void set_var_mtrr(
- unsigned reg, unsigned base, unsigned size, unsigned type)
-
-{
- /* Bit Bit 32-35 of MTRRphysMask should be set to 1 */
- /* FIXME: It only support 4G less range */
- wrmsr(MTRRphysBase_MSR(reg), base | type, 0);
- wrmsr(MTRRphysMask_MSR(reg), ~(size - 1) | MTRRphysMaskValid,
- (1 << (CONFIG_CPU_ADDR_BITS - 32)) - 1);
-}
-
-static void enable_rom_caching(void)
-{
- disable_caches();
- set_var_mtrr(1, 0xffc00000, 4 << 20, MTRR_TYPE_WRPROT);
- enable_caches();
-
- /* Enable Variable MTRRs */
- wrmsr(MTRRdefType_MSR, 0x800, 0);
-}
-
static int set_flex_ratio_to_tdp_nominal(void)
{
msr_t flex_ratio, msr;
@@ -165,10 +144,6 @@ int arch_cpu_init(void)
/* This is already done in start.S, but let's do it in C */
enable_port80_on_lpc(hose, PCH_LPC_DEV);
- /* already done in car.S */
- if (false)
- enable_rom_caching();
-
set_spi_speed();
/*
@@ -288,7 +263,7 @@ int print_cpuinfo(void)
enable_lapic();
ret = microcode_update_intel();
- if (ret && ret != -ENOENT && ret != -EEXIST)
+ if (ret)
return ret;
/* Enable upper 128bytes of CMOS */
diff --git a/arch/x86/cpu/ivybridge/gma.c b/arch/x86/cpu/ivybridge/gma.c
index 3d7f740..6cf9654 100644
--- a/arch/x86/cpu/ivybridge/gma.c
+++ b/arch/x86/cpu/ivybridge/gma.c
@@ -12,9 +12,11 @@
#include <fdtdec.h>
#include <pci_rom.h>
#include <asm/io.h>
+#include <asm/mtrr.h>
#include <asm/pci.h>
#include <asm/arch/pch.h>
#include <asm/arch/sandybridge.h>
+#include <linux/kconfig.h>
struct gt_powermeter {
u16 reg;
@@ -730,7 +732,11 @@ static int int15_handler(void)
int gma_func0_init(pci_dev_t dev, struct pci_controller *hose,
const void *blob, int node)
{
+#ifdef CONFIG_VIDEO
+ ulong start;
+#endif
void *gtt_bar;
+ ulong base;
u32 reg32;
int ret;
@@ -739,14 +745,22 @@ int gma_func0_init(pci_dev_t dev, struct pci_controller *hose,
reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
pci_write_config32(dev, PCI_COMMAND, reg32);
+ /* Use write-combining for the graphics memory, 256MB */
+ base = pci_read_bar32(hose, dev, 2);
+ mtrr_add_request(MTRR_TYPE_WRCOMB, base, 256 << 20);
+ mtrr_commit(true);
+
gtt_bar = (void *)pci_read_bar32(pci_bus_to_hose(0), dev, 0);
debug("GT bar %p\n", gtt_bar);
ret = gma_pm_init_pre_vbios(gtt_bar);
if (ret)
return ret;
+#ifdef CONFIG_VIDEO
+ start = get_timer(0);
ret = pci_run_vga_bios(dev, int15_handler, false);
-
+ debug("BIOS ran in %lums\n", get_timer(start));
+#endif
/* Post VBIOS init */
ret = gma_pm_init_post_vbios(gtt_bar, blob, node);
if (ret)
diff --git a/arch/x86/cpu/ivybridge/microcode_intel.c b/arch/x86/cpu/ivybridge/microcode_intel.c
index 0817751..2440a97 100644
--- a/arch/x86/cpu/ivybridge/microcode_intel.c
+++ b/arch/x86/cpu/ivybridge/microcode_intel.c
@@ -13,7 +13,9 @@
#include <libfdt.h>
#include <asm/cpu.h>
#include <asm/msr.h>
+#include <asm/msr-index.h>
#include <asm/processor.h>
+#include <asm/arch/microcode.h>
/**
* struct microcode_update - standard microcode header from Intel
@@ -40,8 +42,8 @@ static int microcode_decode_node(const void *blob, int node,
update->data = fdt_getprop(blob, node, "data", &update->size);
if (!update->data)
return -EINVAL;
- update->data += 48;
- update->size -= 48;
+ update->data += UCODE_HEADER_LEN;
+ update->size -= UCODE_HEADER_LEN;
update->header_version = fdtdec_get_int(blob, node,
"intel,header-version", 0);
@@ -71,15 +73,16 @@ static inline uint32_t microcode_read_rev(void)
asm volatile (
"xorl %%eax, %%eax\n"
"xorl %%edx, %%edx\n"
- "movl $0x8b, %%ecx\n"
+ "movl %2, %%ecx\n"
"wrmsr\n"
"movl $0x01, %%eax\n"
"cpuid\n"
- "movl $0x8b, %%ecx\n"
+ "movl %2, %%ecx\n"
"rdmsr\n"
: /* outputs */
"=a" (low), "=d" (high)
: /* inputs */
+ "i" (MSR_IA32_UCODE_REV)
: /* clobbers */
"ebx", "ecx"
);
@@ -94,9 +97,9 @@ static void microcode_read_cpu(struct microcode_update *cpu)
struct cpuid_result result;
uint32_t low, high;
- wrmsr(0x8b, 0, 0);
+ wrmsr(MSR_IA32_UCODE_REV, 0, 0);
result = cpuid(1);
- rdmsr(0x8b, low, cpu->update_revision);
+ rdmsr(MSR_IA32_UCODE_REV, low, cpu->update_revision);
x86_model = (result.eax >> 4) & 0x0f;
x86_family = (result.eax >> 8) & 0x0f;
cpu->processor_signature = result.eax;
@@ -120,6 +123,7 @@ int microcode_update_intel(void)
int count;
int node;
int ret;
+ int rev;
microcode_read_cpu(&cpu);
node = 0;
@@ -147,12 +151,16 @@ int microcode_update_intel(void)
skipped++;
continue;
}
- ret = microcode_read_rev();
- wrmsr(0x79, (ulong)update.data, 0);
+ wrmsr(MSR_IA32_UCODE_WRITE, (ulong)update.data, 0);
+ rev = microcode_read_rev();
debug("microcode: updated to revision 0x%x date=%04x-%02x-%02x\n",
- microcode_read_rev(), update.date_code & 0xffff,
+ rev, update.date_code & 0xffff,
(update.date_code >> 24) & 0xff,
(update.date_code >> 16) & 0xff);
+ if (update.update_revision != rev) {
+ printf("Microcode update failed\n");
+ return -EFAULT;
+ }
count++;
} while (1);
}
diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
index b95e781..9504735 100644
--- a/arch/x86/cpu/ivybridge/sdram.c
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -17,6 +17,7 @@
#include <asm/processor.h>
#include <asm/gpio.h>
#include <asm/global_data.h>
+#include <asm/mtrr.h>
#include <asm/pci.h>
#include <asm/arch/me.h>
#include <asm/arch/pei_data.h>
@@ -430,6 +431,15 @@ static int sdram_find(pci_dev_t dev)
add_memory_area(info, (2 << 28) + (2 << 20), 4 << 28);
add_memory_area(info, (4 << 28) + (2 << 20), tseg_base);
add_memory_area(info, 1ULL << 32, touud);
+
+ /* Add MTRRs for memory */
+ mtrr_add_request(MTRR_TYPE_WRBACK, 0, 2ULL << 30);
+ mtrr_add_request(MTRR_TYPE_WRBACK, 2ULL << 30, 512 << 20);
+ mtrr_add_request(MTRR_TYPE_WRBACK, 0xaULL << 28, 256 << 20);
+ mtrr_add_request(MTRR_TYPE_UNCACHEABLE, tseg_base, 16 << 20);
+ mtrr_add_request(MTRR_TYPE_UNCACHEABLE, tseg_base + (16 << 20),
+ 32 << 20);
+
/*
* If >= 4GB installed then memory from TOLUD to 4GB
* is remapped above TOM, TOUUD will account for both
diff --git a/arch/x86/cpu/mtrr.c b/arch/x86/cpu/mtrr.c
new file mode 100644
index 0000000..d5a825d
--- /dev/null
+++ b/arch/x86/cpu/mtrr.c
@@ -0,0 +1,81 @@
+/*
+ * (C) Copyright 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Memory Type Range Regsters - these are used to tell the CPU whether
+ * memory is cacheable and if so the cache write mode to use.
+ *
+ * These can speed up booting. See the mtrr command.
+ *
+ * Reference: Intel Architecture Software Developer's Manual, Volume 3:
+ * System Programming
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/msr.h>
+#include <asm/mtrr.h>
+
+/* Prepare to adjust MTRRs */
+void mtrr_open(struct mtrr_state *state)
+{
+ state->enable_cache = dcache_status();
+
+ if (state->enable_cache)
+ disable_caches();
+ state->deftype = native_read_msr(MTRR_DEF_TYPE_MSR);
+ wrmsrl(MTRR_DEF_TYPE_MSR, state->deftype & ~MTRR_DEF_TYPE_EN);
+}
+
+/* Clean up after adjusting MTRRs, and enable them */
+void mtrr_close(struct mtrr_state *state)
+{
+ wrmsrl(MTRR_DEF_TYPE_MSR, state->deftype | MTRR_DEF_TYPE_EN);
+ if (state->enable_cache)
+ enable_caches();
+}
+
+int mtrr_commit(bool do_caches)
+{
+ struct mtrr_request *req = gd->arch.mtrr_req;
+ struct mtrr_state state;
+ uint64_t mask;
+ int i;
+
+ mtrr_open(&state);
+ for (i = 0; i < gd->arch.mtrr_req_count; i++, req++) {
+ mask = ~(req->size - 1);
+ mask &= (1ULL << CONFIG_CPU_ADDR_BITS) - 1;
+ wrmsrl(MTRR_PHYS_BASE_MSR(i), req->start | req->type);
+ wrmsrl(MTRR_PHYS_MASK_MSR(i), mask | MTRR_PHYS_MASK_VALID);
+ }
+
+ /* Clear the ones that are unused */
+ for (; i < MTRR_COUNT; i++)
+ wrmsrl(MTRR_PHYS_MASK_MSR(i), 0);
+ mtrr_close(&state);
+
+ return 0;
+}
+
+int mtrr_add_request(int type, uint64_t start, uint64_t size)
+{
+ struct mtrr_request *req;
+ uint64_t mask;
+
+ if (gd->arch.mtrr_req_count == MAX_MTRR_REQUESTS)
+ return -ENOSPC;
+ req = &gd->arch.mtrr_req[gd->arch.mtrr_req_count++];
+ req->type = type;
+ req->start = start;
+ req->size = size;
+ debug("%d: type=%d, %08llx %08llx\n", gd->arch.mtrr_req_count - 1,
+ req->type, req->start, req->size);
+ mask = ~(req->size - 1);
+ mask &= (1ULL << CONFIG_CPU_ADDR_BITS) - 1;
+ mask |= MTRR_PHYS_MASK_VALID;
+ debug(" %016llx %016llx\n", req->start | req->type, mask);
+
+ return 0;
+}
diff --git a/arch/x86/cpu/pci.c b/arch/x86/cpu/pci.c
index f3492c3..ab1aaaa 100644
--- a/arch/x86/cpu/pci.c
+++ b/arch/x86/cpu/pci.c
@@ -15,6 +15,8 @@
#include <pci.h>
#include <asm/pci.h>
+DECLARE_GLOBAL_DATA_PTR;
+
static struct pci_controller x86_hose;
int pci_early_init_hose(struct pci_controller **hosep)
@@ -27,7 +29,8 @@ int pci_early_init_hose(struct pci_controller **hosep)
board_pci_setup_hose(hose);
pci_setup_type1(hose);
- gd->arch.hose = hose;
+ hose->last_busno = pci_hose_scan(hose);
+ gd->hose = hose;
*hosep = hose;
return 0;
@@ -48,7 +51,7 @@ void pci_init_board(void)
struct pci_controller *hose = &x86_hose;
/* Stop using the early hose */
- gd->arch.hose = NULL;
+ gd->hose = NULL;
board_pci_setup_hose(hose);
pci_setup_type1(hose);
@@ -61,8 +64,8 @@ void pci_init_board(void)
static struct pci_controller *get_hose(void)
{
- if (gd->arch.hose)
- return gd->arch.hose;
+ if (gd->hose)
+ return gd->hose;
return pci_bus_to_hose(0);
}
diff --git a/arch/x86/cpu/queensbay/fsp_support.c b/arch/x86/cpu/queensbay/fsp_support.c
index ef1916b..aed3e2b 100644
--- a/arch/x86/cpu/queensbay/fsp_support.c
+++ b/arch/x86/cpu/queensbay/fsp_support.c
@@ -231,26 +231,28 @@ u32 fsp_notify(struct fsp_header *fsp_hdr, u32 phase)
u32 fsp_get_usable_lowmem_top(const void *hob_list)
{
- union hob_pointers hob;
+ const struct hob_header *hdr;
+ struct hob_res_desc *res_desc;
phys_addr_t phys_start;
u32 top;
/* Get the HOB list for processing */
- hob.raw = (void *)hob_list;
+ hdr = hob_list;
/* * Collect memory ranges */
top = FSP_LOWMEM_BASE;
- while (!end_of_hob(hob)) {
- if (get_hob_type(hob) == HOB_TYPE_RES_DESC) {
- if (hob.res_desc->type == RES_SYS_MEM) {
- phys_start = hob.res_desc->phys_start;
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == HOB_TYPE_RES_DESC) {
+ res_desc = (struct hob_res_desc *)hdr;
+ if (res_desc->type == RES_SYS_MEM) {
+ phys_start = res_desc->phys_start;
/* Need memory above 1MB to be collected here */
if (phys_start >= FSP_LOWMEM_BASE &&
phys_start < (phys_addr_t)FSP_HIGHMEM_BASE)
- top += (u32)(hob.res_desc->len);
+ top += (u32)(res_desc->len);
}
}
- hob.raw = get_next_hob(hob);
+ hdr = get_next_hob(hdr);
}
return top;
@@ -258,25 +260,27 @@ u32 fsp_get_usable_lowmem_top(const void *hob_list)
u64 fsp_get_usable_highmem_top(const void *hob_list)
{
- union hob_pointers hob;
+ const struct hob_header *hdr;
+ struct hob_res_desc *res_desc;
phys_addr_t phys_start;
u64 top;
/* Get the HOB list for processing */
- hob.raw = (void *)hob_list;
+ hdr = hob_list;
/* Collect memory ranges */
top = FSP_HIGHMEM_BASE;
- while (!end_of_hob(hob)) {
- if (get_hob_type(hob) == HOB_TYPE_RES_DESC) {
- if (hob.res_desc->type == RES_SYS_MEM) {
- phys_start = hob.res_desc->phys_start;
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == HOB_TYPE_RES_DESC) {
+ res_desc = (struct hob_res_desc *)hdr;
+ if (res_desc->type == RES_SYS_MEM) {
+ phys_start = res_desc->phys_start;
/* Need memory above 1MB to be collected here */
if (phys_start >= (phys_addr_t)FSP_HIGHMEM_BASE)
- top += (u32)(hob.res_desc->len);
+ top += (u32)(res_desc->len);
}
}
- hob.raw = get_next_hob(hob);
+ hdr = get_next_hob(hdr);
}
return top;
@@ -285,24 +289,26 @@ u64 fsp_get_usable_highmem_top(const void *hob_list)
u64 fsp_get_reserved_mem_from_guid(const void *hob_list, u64 *len,
struct efi_guid *guid)
{
- union hob_pointers hob;
+ const struct hob_header *hdr;
+ struct hob_res_desc *res_desc;
/* Get the HOB list for processing */
- hob.raw = (void *)hob_list;
+ hdr = hob_list;
/* Collect memory ranges */
- while (!end_of_hob(hob)) {
- if (get_hob_type(hob) == HOB_TYPE_RES_DESC) {
- if (hob.res_desc->type == RES_MEM_RESERVED) {
- if (compare_guid(&hob.res_desc->owner, guid)) {
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == HOB_TYPE_RES_DESC) {
+ res_desc = (struct hob_res_desc *)hdr;
+ if (res_desc->type == RES_MEM_RESERVED) {
+ if (compare_guid(&res_desc->owner, guid)) {
if (len)
- *len = (u32)(hob.res_desc->len);
+ *len = (u32)(res_desc->len);
- return (u64)(hob.res_desc->phys_start);
+ return (u64)(res_desc->phys_start);
}
}
}
- hob.raw = get_next_hob(hob);
+ hdr = get_next_hob(hdr);
}
return 0;
@@ -336,44 +342,45 @@ u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len)
return base;
}
-void *fsp_get_next_hob(u16 type, const void *hob_list)
+const struct hob_header *fsp_get_next_hob(uint type, const void *hob_list)
{
- union hob_pointers hob;
+ const struct hob_header *hdr;
- assert(hob_list != NULL);
-
- hob.raw = (u8 *)hob_list;
+ hdr = hob_list;
/* Parse the HOB list until end of list or matching type is found */
- while (!end_of_hob(hob)) {
- if (get_hob_type(hob) == type)
- return hob.raw;
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == type)
+ return hdr;
- hob.raw = get_next_hob(hob);
+ hdr = get_next_hob(hdr);
}
return NULL;
}
-void *fsp_get_next_guid_hob(const struct efi_guid *guid, const void *hob_list)
+const struct hob_header *fsp_get_next_guid_hob(const struct efi_guid *guid,
+ const void *hob_list)
{
- union hob_pointers hob;
-
- hob.raw = (u8 *)hob_list;
- while ((hob.raw = fsp_get_next_hob(HOB_TYPE_GUID_EXT,
- hob.raw)) != NULL) {
- if (compare_guid(guid, &hob.guid->name))
+ const struct hob_header *hdr;
+ struct hob_guid *guid_hob;
+
+ hdr = hob_list;
+ while ((hdr = fsp_get_next_hob(HOB_TYPE_GUID_EXT,
+ hdr)) != NULL) {
+ guid_hob = (struct hob_guid *)hdr;
+ if (compare_guid(guid, &(guid_hob->name)))
break;
- hob.raw = get_next_hob(hob);
+ hdr = get_next_hob(hdr);
}
- return hob.raw;
+ return hdr;
}
void *fsp_get_guid_hob_data(const void *hob_list, u32 *len,
struct efi_guid *guid)
{
- u8 *guid_hob;
+ const struct hob_header *guid_hob;
guid_hob = fsp_get_next_guid_hob(guid, hob_list);
if (guid_hob == NULL) {
diff --git a/arch/x86/cpu/queensbay/tnc_dram.c b/arch/x86/cpu/queensbay/tnc_dram.c
index 8e97c9b..df79a39 100644
--- a/arch/x86/cpu/queensbay/tnc_dram.c
+++ b/arch/x86/cpu/queensbay/tnc_dram.c
@@ -14,17 +14,19 @@ DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
phys_size_t ram_size = 0;
- union hob_pointers hob;
+ const struct hob_header *hdr;
+ struct hob_res_desc *res_desc;
- hob.raw = gd->arch.hob_list;
- while (!end_of_hob(hob)) {
- if (get_hob_type(hob) == HOB_TYPE_RES_DESC) {
- if (hob.res_desc->type == RES_SYS_MEM ||
- hob.res_desc->type == RES_MEM_RESERVED) {
- ram_size += hob.res_desc->len;
+ hdr = gd->arch.hob_list;
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == HOB_TYPE_RES_DESC) {
+ res_desc = (struct hob_res_desc *)hdr;
+ if (res_desc->type == RES_SYS_MEM ||
+ res_desc->type == RES_MEM_RESERVED) {
+ ram_size += res_desc->len;
}
}
- hob.raw = get_next_hob(hob);
+ hdr = get_next_hob(hdr);
}
gd->ram_size = ram_size;
@@ -55,22 +57,23 @@ ulong board_get_usable_ram_top(ulong total_size)
unsigned install_e820_map(unsigned max_entries, struct e820entry *entries)
{
unsigned num_entries = 0;
+ const struct hob_header *hdr;
+ struct hob_res_desc *res_desc;
- union hob_pointers hob;
+ hdr = gd->arch.hob_list;
- hob.raw = gd->arch.hob_list;
+ while (!end_of_hob(hdr)) {
+ if (hdr->type == HOB_TYPE_RES_DESC) {
+ res_desc = (struct hob_res_desc *)hdr;
+ entries[num_entries].addr = res_desc->phys_start;
+ entries[num_entries].size = res_desc->len;
- while (!end_of_hob(hob)) {
- if (get_hob_type(hob) == HOB_TYPE_RES_DESC) {
- entries[num_entries].addr = hob.res_desc->phys_start;
- entries[num_entries].size = hob.res_desc->len;
-
- if (hob.res_desc->type == RES_SYS_MEM)
+ if (res_desc->type == RES_SYS_MEM)
entries[num_entries].type = E820_RAM;
- else if (hob.res_desc->type == RES_MEM_RESERVED)
+ else if (res_desc->type == RES_MEM_RESERVED)
entries[num_entries].type = E820_RESERVED;
}
- hob.raw = get_next_hob(hob);
+ hdr = get_next_hob(hdr);
num_entries++;
}
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index 125782c..f51f112 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -205,6 +205,14 @@ board_init_f_r_trampoline:
/* Setup global descriptor table so gd->xyz works */
call setup_gdt
+ /* Set if we need to disable CAR */
+.weak car_uninit
+ movl $car_uninit, %eax
+ cmpl $0, %eax
+ jz 1f
+
+ call car_uninit
+1:
/* Re-enter U-Boot by calling board_init_f_r */
call board_init_f_r
diff --git a/arch/x86/dts/Makefile b/arch/x86/dts/Makefile
index 3b5d6da..97ed884 100644
--- a/arch/x86/dts/Makefile
+++ b/arch/x86/dts/Makefile
@@ -1,6 +1,4 @@
-dtb-y += link.dtb \
- chromebook_link.dtb \
- alex.dtb \
+dtb-y += chromebook_link.dtb \
crownbay.dtb
targets += $(dtb-y)
diff --git a/arch/x86/dts/alex.dts b/arch/x86/dts/alex.dts
deleted file mode 100644
index 2f13544..0000000
--- a/arch/x86/dts/alex.dts
+++ /dev/null
@@ -1,24 +0,0 @@
-/dts-v1/;
-
-/include/ "coreboot.dtsi"
-
-/ {
- #address-cells = <1>;
- #size-cells = <1>;
- model = "Google Alex";
- compatible = "google,alex", "intel,atom-pineview";
-
- config {
- silent_console = <0>;
- };
-
- gpio: gpio {};
-
- serial {
- reg = <0x3f8 8>;
- clock-frequency = <115200>;
- };
-
- chosen { };
- memory { device_type = "memory"; reg = <0 0>; };
-};
diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts
index 6f8c5cd..9490b16 120000..100644
--- a/arch/x86/dts/chromebook_link.dts
+++ b/arch/x86/dts/chromebook_link.dts
@@ -1 +1,216 @@
-link.dts \ No newline at end of file
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+/include/ "serial.dtsi"
+
+/ {
+ model = "Google Link";
+ compatible = "google,link", "intel,celeron-ivybridge";
+
+ config {
+ silent_console = <0>;
+ };
+
+ gpioa {
+ compatible = "intel,ich6-gpio";
+ u-boot,dm-pre-reloc;
+ reg = <0 0x10>;
+ bank-name = "A";
+ };
+
+ gpiob {
+ compatible = "intel,ich6-gpio";
+ u-boot,dm-pre-reloc;
+ reg = <0x30 0x10>;
+ bank-name = "B";
+ };
+
+ gpioc {
+ compatible = "intel,ich6-gpio";
+ u-boot,dm-pre-reloc;
+ reg = <0x40 0x10>;
+ bank-name = "C";
+ };
+
+ chosen {
+ stdout-path = "/serial";
+ };
+
+ spd {
+ compatible = "memory-spd";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ elpida_4Gb_1600_x16 {
+ reg = <0>;
+ data = [92 10 0b 03 04 19 02 02
+ 03 52 01 08 0a 00 fe 00
+ 69 78 69 3c 69 11 18 81
+ 20 08 3c 3c 01 40 83 81
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 0f 11 42 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 02 fe 00
+ 11 52 00 00 00 07 7f 37
+ 45 42 4a 32 30 55 47 36
+ 45 42 55 30 2d 47 4e 2d
+ 46 20 30 20 02 fe 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00];
+ };
+ samsung_4Gb_1600_1.35v_x16 {
+ reg = <1>;
+ data = [92 11 0b 03 04 19 02 02
+ 03 11 01 08 0a 00 fe 00
+ 69 78 69 3c 69 11 18 81
+ f0 0a 3c 3c 01 40 83 01
+ 00 80 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 0f 11 02 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 80 ce 01
+ 00 00 00 00 00 00 6a 04
+ 4d 34 37 31 42 35 36 37
+ 34 42 48 30 2d 59 4b 30
+ 20 20 00 00 80 ce 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00];
+ };
+ micron_4Gb_1600_1.35v_x16 {
+ reg = <2>;
+ data = [92 11 0b 03 04 19 02 02
+ 03 11 01 08 0a 00 fe 00
+ 69 78 69 3c 69 11 18 81
+ 20 08 3c 3c 01 40 83 05
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 0f 01 02 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 80 2c 00
+ 00 00 00 00 00 00 ad 75
+ 34 4b 54 46 32 35 36 36
+ 34 48 5a 2d 31 47 36 45
+ 31 20 45 31 80 2c 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff];
+ };
+ };
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "intel,ich9";
+ spi-flash@0 {
+ reg = <0>;
+ compatible = "winbond,w25q64", "spi-flash";
+ memory-map = <0xff800000 0x00800000>;
+ };
+ };
+
+ pci {
+ sata {
+ compatible = "intel,pantherpoint-ahci";
+ intel,sata-mode = "ahci";
+ intel,sata-port-map = <1>;
+ intel,sata-port0-gen3-tx = <0x00880a7f>;
+ };
+
+ gma {
+ compatible = "intel,gma";
+ intel,dp_hotplug = <0 0 0x06>;
+ intel,panel-port-select = <1>;
+ intel,panel-power-cycle-delay = <6>;
+ intel,panel-power-up-delay = <2000>;
+ intel,panel-power-down-delay = <500>;
+ intel,panel-power-backlight-on-delay = <2000>;
+ intel,panel-power-backlight-off-delay = <2000>;
+ intel,cpu-backlight = <0x00000200>;
+ intel,pch-backlight = <0x04000000>;
+ };
+
+ lpc {
+ compatible = "intel,lpc";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ gen-dec = <0x800 0xfc 0x900 0xfc>;
+ intel,gen-dec = <0x800 0xfc 0x900 0xfc>;
+ intel,pirq-routing = <0x8b 0x8a 0x8b 0x8b
+ 0x80 0x80 0x80 0x80>;
+ intel,gpi-routing = <0 0 0 0 0 0 0 2
+ 1 0 0 0 0 0 0 0>;
+ /* Enable EC SMI source */
+ intel,alt-gp-smi-enable = <0x0100>;
+
+ cros-ec@200 {
+ compatible = "google,cros-ec";
+ reg = <0x204 1 0x200 1 0x880 0x80>;
+
+ /* Describes the flash memory within the EC */
+ #address-cells = <1>;
+ #size-cells = <1>;
+ flash@8000000 {
+ reg = <0x08000000 0x20000>;
+ erase-value = <0xff>;
+ };
+ };
+ };
+ };
+
+ microcode {
+ update@0 {
+#include "microcode/m12306a9_0000001b.dtsi"
+ };
+ };
+
+};
diff --git a/arch/x86/dts/coreboot.dtsi b/arch/x86/dts/coreboot.dtsi
deleted file mode 100644
index 65a93ac..0000000
--- a/arch/x86/dts/coreboot.dtsi
+++ /dev/null
@@ -1,17 +0,0 @@
-/include/ "skeleton.dtsi"
-
-/ {
- chosen {
- stdout-path = "/serial";
- };
-
- serial {
- compatible = "x86-uart";
- reg = <0x3f8 0x10>;
- reg-shift = <0>;
- io-mapped = <1>;
- multiplier = <1>;
- baudrate = <115200>;
- status = "disabled";
- };
-};
diff --git a/arch/x86/dts/crownbay.dts b/arch/x86/dts/crownbay.dts
index 3f43f3c..e81054e 100644
--- a/arch/x86/dts/crownbay.dts
+++ b/arch/x86/dts/crownbay.dts
@@ -6,11 +6,10 @@
/dts-v1/;
-/include/ "coreboot.dtsi"
+/include/ "skeleton.dtsi"
+/include/ "serial.dtsi"
/ {
- #address-cells = <1>;
- #size-cells = <1>;
model = "Intel Crown Bay";
compatible = "intel,crownbay", "intel,queensbay";
@@ -32,14 +31,18 @@
bank-name = "B";
};
- serial {
- reg = <0x3f8 8>;
- clock-frequency = <115200>;
+ chosen {
+ /*
+ * By default the legacy superio serial port is used as the
+ * U-Boot serial console. If we want to use UART from Topcliff
+ * PCH as the console, change this property to &pciuart#.
+ *
+ * For example, stdout-path = &pciuart0 will use the first
+ * UART on Topcliff PCH.
+ */
+ stdout-path = "/serial";
};
- chosen { };
- memory { device_type = "memory"; reg = <0 0>; };
-
spi {
#address-cells = <1>;
#size-cells = <0>;
@@ -57,4 +60,77 @@
};
};
+ pci {
+ #address-cells = <3>;
+ #size-cells = <2>;
+ compatible = "intel,pci";
+ device_type = "pci";
+
+ pcie@17,0 {
+ #address-cells = <3>;
+ #size-cells = <2>;
+ compatible = "intel,pci";
+ device_type = "pci";
+
+ topcliff@0,0 {
+ #address-cells = <3>;
+ #size-cells = <2>;
+ compatible = "intel,pci";
+ device_type = "pci";
+
+ pciuart0: uart@a,1 {
+ compatible = "pci8086,8811.00",
+ "pci8086,8811",
+ "pciclass,070002",
+ "pciclass,0700",
+ "x86-uart";
+ reg = <0x00025100 0x0 0x0 0x0 0x0
+ 0x01025110 0x0 0x0 0x0 0x0>;
+ reg-shift = <0>;
+ clock-frequency = <1843200>;
+ current-speed = <115200>;
+ };
+
+ pciuart1: uart@a,2 {
+ compatible = "pci8086,8812.00",
+ "pci8086,8812",
+ "pciclass,070002",
+ "pciclass,0700",
+ "x86-uart";
+ reg = <0x00025200 0x0 0x0 0x0 0x0
+ 0x01025210 0x0 0x0 0x0 0x0>;
+ reg-shift = <0>;
+ clock-frequency = <1843200>;
+ current-speed = <115200>;
+ };
+
+ pciuart2: uart@a,3 {
+ compatible = "pci8086,8813.00",
+ "pci8086,8813",
+ "pciclass,070002",
+ "pciclass,0700",
+ "x86-uart";
+ reg = <0x00025300 0x0 0x0 0x0 0x0
+ 0x01025310 0x0 0x0 0x0 0x0>;
+ reg-shift = <0>;
+ clock-frequency = <1843200>;
+ current-speed = <115200>;
+ };
+
+ pciuart3: uart@a,4 {
+ compatible = "pci8086,8814.00",
+ "pci8086,8814",
+ "pciclass,070002",
+ "pciclass,0700",
+ "x86-uart";
+ reg = <0x00025400 0x0 0x0 0x0 0x0
+ 0x01025410 0x0 0x0 0x0 0x0>;
+ reg-shift = <0>;
+ clock-frequency = <1843200>;
+ current-speed = <115200>;
+ };
+ };
+ };
+ };
+
};
diff --git a/arch/x86/dts/link.dts b/arch/x86/dts/link.dts
deleted file mode 100644
index a739080..0000000
--- a/arch/x86/dts/link.dts
+++ /dev/null
@@ -1,224 +0,0 @@
-/dts-v1/;
-
-/include/ "coreboot.dtsi"
-
-/ {
- #address-cells = <1>;
- #size-cells = <1>;
- model = "Google Link";
- compatible = "google,link", "intel,celeron-ivybridge";
-
- config {
- silent_console = <0>;
- };
-
- gpioa {
- compatible = "intel,ich6-gpio";
- u-boot,dm-pre-reloc;
- reg = <0 0x10>;
- bank-name = "A";
- };
-
- gpiob {
- compatible = "intel,ich6-gpio";
- u-boot,dm-pre-reloc;
- reg = <0x30 0x10>;
- bank-name = "B";
- };
-
- gpioc {
- compatible = "intel,ich6-gpio";
- u-boot,dm-pre-reloc;
- reg = <0x40 0x10>;
- bank-name = "C";
- };
-
- serial {
- reg = <0x3f8 8>;
- clock-frequency = <115200>;
- };
-
- chosen { };
- memory { device_type = "memory"; reg = <0 0>; };
-
- spd {
- compatible = "memory-spd";
- #address-cells = <1>;
- #size-cells = <0>;
- elpida_4Gb_1600_x16 {
- reg = <0>;
- data = [92 10 0b 03 04 19 02 02
- 03 52 01 08 0a 00 fe 00
- 69 78 69 3c 69 11 18 81
- 20 08 3c 3c 01 40 83 81
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 0f 11 42 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 02 fe 00
- 11 52 00 00 00 07 7f 37
- 45 42 4a 32 30 55 47 36
- 45 42 55 30 2d 47 4e 2d
- 46 20 30 20 02 fe 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00];
- };
- samsung_4Gb_1600_1.35v_x16 {
- reg = <1>;
- data = [92 11 0b 03 04 19 02 02
- 03 11 01 08 0a 00 fe 00
- 69 78 69 3c 69 11 18 81
- f0 0a 3c 3c 01 40 83 01
- 00 80 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 0f 11 02 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 80 ce 01
- 00 00 00 00 00 00 6a 04
- 4d 34 37 31 42 35 36 37
- 34 42 48 30 2d 59 4b 30
- 20 20 00 00 80 ce 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00];
- };
- micron_4Gb_1600_1.35v_x16 {
- reg = <2>;
- data = [92 11 0b 03 04 19 02 02
- 03 11 01 08 0a 00 fe 00
- 69 78 69 3c 69 11 18 81
- 20 08 3c 3c 01 40 83 05
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 0f 01 02 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 80 2c 00
- 00 00 00 00 00 00 ad 75
- 34 4b 54 46 32 35 36 36
- 34 48 5a 2d 31 47 36 45
- 31 20 45 31 80 2c 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff
- ff ff ff ff ff ff ff ff];
- };
- };
-
- spi {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "intel,ich9";
- spi-flash@0 {
- reg = <0>;
- compatible = "winbond,w25q64", "spi-flash";
- memory-map = <0xff800000 0x00800000>;
- };
- };
-
- pci {
- sata {
- compatible = "intel,pantherpoint-ahci";
- intel,sata-mode = "ahci";
- intel,sata-port-map = <1>;
- intel,sata-port0-gen3-tx = <0x00880a7f>;
- };
-
- gma {
- compatible = "intel,gma";
- intel,dp_hotplug = <0 0 0x06>;
- intel,panel-port-select = <1>;
- intel,panel-power-cycle-delay = <6>;
- intel,panel-power-up-delay = <2000>;
- intel,panel-power-down-delay = <500>;
- intel,panel-power-backlight-on-delay = <2000>;
- intel,panel-power-backlight-off-delay = <2000>;
- intel,cpu-backlight = <0x00000200>;
- intel,pch-backlight = <0x04000000>;
- };
-
- lpc {
- compatible = "intel,lpc";
- #address-cells = <1>;
- #size-cells = <1>;
- gen-dec = <0x800 0xfc 0x900 0xfc>;
- intel,gen-dec = <0x800 0xfc 0x900 0xfc>;
- intel,pirq-routing = <0x8b 0x8a 0x8b 0x8b
- 0x80 0x80 0x80 0x80>;
- intel,gpi-routing = <0 0 0 0 0 0 0 2
- 1 0 0 0 0 0 0 0>;
- /* Enable EC SMI source */
- intel,alt-gp-smi-enable = <0x0100>;
-
- cros-ec@200 {
- compatible = "google,cros-ec";
- reg = <0x204 1 0x200 1 0x880 0x80>;
-
- /* Describes the flash memory within the EC */
- #address-cells = <1>;
- #size-cells = <1>;
- flash@8000000 {
- reg = <0x08000000 0x20000>;
- erase-value = <0xff>;
- };
- };
- };
- };
-
- microcode {
- update@0 {
-#include "microcode/m12206a7_00000029.dtsi"
- };
- update@1 {
-#include "microcode/m12306a9_0000001b.dtsi"
- };
- };
-
-};
diff --git a/arch/x86/dts/serial.dtsi b/arch/x86/dts/serial.dtsi
new file mode 100644
index 0000000..9b097f4
--- /dev/null
+++ b/arch/x86/dts/serial.dtsi
@@ -0,0 +1,9 @@
+/ {
+ serial {
+ compatible = "x86-uart";
+ reg = <0x3f8 8>;
+ reg-shift = <0>;
+ clock-frequency = <1843200>;
+ current-speed = <115200>;
+ };
+};
diff --git a/arch/x86/include/asm/arch-ivybridge/microcode.h b/arch/x86/include/asm/arch-ivybridge/microcode.h
index bc9b87c..b868283 100644
--- a/arch/x86/include/asm/arch-ivybridge/microcode.h
+++ b/arch/x86/include/asm/arch-ivybridge/microcode.h
@@ -7,6 +7,11 @@
#ifndef __ASM_ARCH_MICROCODE_H
#define __ASM_ARCH_MICROCODE_H
+/* Length of the public header on Intel microcode blobs */
+#define UCODE_HEADER_LEN 0x30
+
+#ifndef __ASSEMBLY__
+
/**
* microcode_update_intel() - Apply microcode updates
*
@@ -16,5 +21,6 @@
* not updates were found, -EINVAL if an update was invalid
*/
int microcode_update_intel(void);
+#endif /* __ASSEMBLY__ */
#endif
diff --git a/arch/x86/include/asm/arch-queensbay/fsp/fsp_hob.h b/arch/x86/include/asm/arch-queensbay/fsp/fsp_hob.h
index 380b64e..6cca7f5 100644
--- a/arch/x86/include/asm/arch-queensbay/fsp/fsp_hob.h
+++ b/arch/x86/include/asm/arch-queensbay/fsp/fsp_hob.h
@@ -182,58 +182,19 @@ struct hob_guid {
/* GUID specific data goes here */
};
-/* Union of all the possible HOB Types */
-union hob_pointers {
- struct hob_header *hdr;
- struct hob_mem_alloc *mem_alloc;
- struct hob_res_desc *res_desc;
- struct hob_guid *guid;
- u8 *raw;
-};
-
-/**
- * get_hob_type() - return the type of a HOB
- *
- * This macro returns the type field from the HOB header for the
- * HOB specified by hob.
- *
- * @hob: A pointer to a HOB.
- *
- * @return: HOB type.
- */
-static inline u16 get_hob_type(union hob_pointers hob)
-{
- return hob.hdr->type;
-}
-
-/**
- * get_hob_length() - return the length, in bytes, of a HOB
- *
- * This macro returns the len field from the HOB header for the
- * HOB specified by hob.
- *
- * @hob: A pointer to a HOB.
- *
- * @return: HOB length.
- */
-static inline u16 get_hob_length(union hob_pointers hob)
-{
- return hob.hdr->len;
-}
-
/**
* get_next_hob() - return a pointer to the next HOB in the HOB list
*
* This macro returns a pointer to HOB that follows the HOB specified by hob
* in the HOB List.
*
- * @hob: A pointer to a HOB.
+ * @hdr: A pointer to a HOB.
*
* @return: A pointer to the next HOB in the HOB list.
*/
-static inline void *get_next_hob(union hob_pointers hob)
+static inline const struct hob_header *get_next_hob(const struct hob_header *hdr)
{
- return (void *)(*(u8 **)&(hob) + get_hob_length(hob));
+ return (const struct hob_header *)((u32)hdr + hdr->len);
}
/**
@@ -243,14 +204,14 @@ static inline void *get_next_hob(union hob_pointers hob)
* HOB list. If hob is last HOB in the HOB list, then true is returned.
* Otherwise, false is returned.
*
- * @hob: A pointer to a HOB.
+ * @hdr: A pointer to a HOB.
*
- * @retval true: The HOB specified by hob is the last HOB in the HOB list.
- * @retval false: The HOB specified by hob is not the last HOB in the HOB list.
+ * @retval true: The HOB specified by hdr is the last HOB in the HOB list.
+ * @retval false: The HOB specified by hdr is not the last HOB in the HOB list.
*/
-static inline bool end_of_hob(union hob_pointers hob)
+static inline bool end_of_hob(const struct hob_header *hdr)
{
- return get_hob_type(hob) == HOB_TYPE_EOH;
+ return hdr->type == HOB_TYPE_EOH;
}
/**
@@ -260,13 +221,13 @@ static inline bool end_of_hob(union hob_pointers hob)
* This macro returns a pointer to the data buffer in a HOB specified by hob.
* hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT.
*
- * @hob: A pointer to a HOB.
+ * @hdr: A pointer to a HOB.
*
* @return: A pointer to the data buffer in a HOB.
*/
-static inline void *get_guid_hob_data(u8 *hob)
+static inline void *get_guid_hob_data(const struct hob_header *hdr)
{
- return (void *)(hob + sizeof(struct hob_guid));
+ return (void *)((u32)hdr + sizeof(struct hob_guid));
}
/**
@@ -276,14 +237,13 @@ static inline void *get_guid_hob_data(u8 *hob)
* This macro returns the size, in bytes, of the data buffer in a HOB
* specified by hob. hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT.
*
- * @hob: A pointer to a HOB.
+ * @hdr: A pointer to a HOB.
*
* @return: The size of the data buffer.
*/
-static inline u16 get_guid_hob_data_size(u8 *hob)
+static inline u16 get_guid_hob_data_size(const struct hob_header *hdr)
{
- union hob_pointers hob_p = *(union hob_pointers *)hob;
- return get_hob_length(hob_p) - sizeof(struct hob_guid);
+ return hdr->len - sizeof(struct hob_guid);
}
/* FSP specific GUID HOB definitions */
diff --git a/arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h b/arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h
index 3ae1b66..ebdbd03 100644
--- a/arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h
+++ b/arch/x86/include/asm/arch-queensbay/fsp/fsp_support.h
@@ -145,7 +145,7 @@ u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len);
*
* @retval: A HOB object with matching type; Otherwise NULL.
*/
-void *fsp_get_next_hob(u16 type, const void *hob_list);
+const struct hob_header *fsp_get_next_hob(uint type, const void *hob_list);
/**
* Returns the next instance of the matched GUID HOB from the starting HOB.
@@ -155,7 +155,8 @@ void *fsp_get_next_hob(u16 type, const void *hob_list);
*
* @retval: A HOB object with matching GUID; Otherwise NULL.
*/
-void *fsp_get_next_guid_hob(const struct efi_guid *guid, const void *hob_list);
+const struct hob_header *fsp_get_next_guid_hob(const struct efi_guid *guid,
+ const void *hob_list);
/**
* This function retrieves a GUID HOB data buffer and size.
diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h
index 03d491a..24e3052 100644
--- a/arch/x86/include/asm/global_data.h
+++ b/arch/x86/include/asm/global_data.h
@@ -29,6 +29,19 @@ struct memory_info {
struct memory_area area[CONFIG_NR_DRAM_BANKS];
};
+#define MAX_MTRR_REQUESTS 8
+
+/**
+ * A request for a memory region to be set up in a particular way. These
+ * requests are processed before board_init_r() is called. They are generally
+ * optional and can be ignored with some performance impact.
+ */
+struct mtrr_request {
+ int type; /* MTRR_TYPE_... */
+ uint64_t start;
+ uint64_t size;
+};
+
/* Architecture-specific global data */
struct arch_global_data {
struct global_data *gd_addr; /* Location of Global Data */
@@ -43,13 +56,14 @@ struct arch_global_data {
uint32_t tsc_mhz; /* TSC frequency in MHz */
void *new_fdt; /* Relocated FDT */
uint32_t bist; /* Built-in self test value */
- struct pci_controller *hose; /* PCI hose for early use */
enum pei_boot_mode_t pei_boot_mode;
const struct pch_gpio_map *gpio_map; /* board GPIO map */
struct memory_info meminfo; /* Memory information */
#ifdef CONFIG_HAVE_FSP
void *hob_list; /* FSP HOB list */
#endif
+ struct mtrr_request mtrr_req[MAX_MTRR_REQUESTS];
+ int mtrr_req_count;
};
#endif
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 5f05a48..3c11740 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -9,99 +9,86 @@
#ifndef _ASM_MTRR_H
#define _ASM_MTRR_H
-/* These are the region types */
-#define MTRR_TYPE_UNCACHEABLE 0
-#define MTRR_TYPE_WRCOMB 1
-/*#define MTRR_TYPE_ 2*/
-/*#define MTRR_TYPE_ 3*/
-#define MTRR_TYPE_WRTHROUGH 4
-#define MTRR_TYPE_WRPROT 5
-#define MTRR_TYPE_WRBACK 6
-#define MTRR_NUM_TYPES 7
-
-#define MTRRcap_MSR 0x0fe
-#define MTRRdefType_MSR 0x2ff
-
-#define MTRRdefTypeEn (1 << 11)
-#define MTRRdefTypeFixEn (1 << 10)
-
-#define SMRRphysBase_MSR 0x1f2
-#define SMRRphysMask_MSR 0x1f3
-
-#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
-#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
-
-#define MTRRphysMaskValid (1 << 11)
-
-#define NUM_FIXED_RANGES 88
-#define RANGES_PER_FIXED_MTRR 8
-#define MTRRfix64K_00000_MSR 0x250
-#define MTRRfix16K_80000_MSR 0x258
-#define MTRRfix16K_A0000_MSR 0x259
-#define MTRRfix4K_C0000_MSR 0x268
-#define MTRRfix4K_C8000_MSR 0x269
-#define MTRRfix4K_D0000_MSR 0x26a
-#define MTRRfix4K_D8000_MSR 0x26b
-#define MTRRfix4K_E0000_MSR 0x26c
-#define MTRRfix4K_E8000_MSR 0x26d
-#define MTRRfix4K_F0000_MSR 0x26e
-#define MTRRfix4K_F8000_MSR 0x26f
+/* MTRR region types */
+#define MTRR_TYPE_UNCACHEABLE 0
+#define MTRR_TYPE_WRCOMB 1
+#define MTRR_TYPE_WRTHROUGH 4
+#define MTRR_TYPE_WRPROT 5
+#define MTRR_TYPE_WRBACK 6
+
+#define MTRR_TYPE_COUNT 7
+
+#define MTRR_CAP_MSR 0x0fe
+#define MTRR_DEF_TYPE_MSR 0x2ff
+
+#define MTRR_DEF_TYPE_EN (1 << 11)
+#define MTRR_DEF_TYPE_FIX_EN (1 << 10)
+
+#define MTRR_PHYS_BASE_MSR(reg) (0x200 + 2 * (reg))
+#define MTRR_PHYS_MASK_MSR(reg) (0x200 + 2 * (reg) + 1)
+
+#define MTRR_PHYS_MASK_VALID (1 << 11)
+
+#define MTRR_BASE_TYPE_MASK 0x7
+
+/* Number of MTRRs supported */
+#define MTRR_COUNT 8
#if !defined(__ASSEMBLER__)
-/*
- * The MTRR code has some side effects that the callers should be aware for.
- * 1. The call sequence matters. x86_setup_mtrrs() calls
- * x86_setup_fixed_mtrrs_no_enable() then enable_fixed_mtrrs() (equivalent
- * of x86_setup_fixed_mtrrs()) then x86_setup_var_mtrrs(). If the callers
- * want to call the components of x86_setup_mtrrs() because of other
- * rquirements the ordering should still preserved.
- * 2. enable_fixed_mtrr() will enable both variable and fixed MTRRs because
- * of the nature of the global MTRR enable flag. Therefore, all direct
- * or indirect callers of enable_fixed_mtrr() should ensure that the
- * variable MTRR MSRs do not contain bad ranges.
- * 3. If CONFIG_CACHE_ROM is selected an MTRR is allocated for enabling
- * the caching of the ROM. However, it is set to uncacheable (UC). It
- * is the responsiblity of the caller to enable it by calling
- * x86_mtrr_enable_rom_caching().
+/**
+ * Information about the previous MTRR state, set up by mtrr_open()
+ *
+ * @deftype: Previous value of MTRR_DEF_TYPE_MSR
+ * @enable_cache: true if cache was enabled
*/
-void x86_setup_mtrrs(void);
-/*
- * x86_setup_var_mtrrs() parameters:
- * address_bits - number of physical address bits supported by cpu
- * above4gb - 2 means dynamically detect number of variable MTRRs available.
- * non-zero means handle memory ranges above 4GiB.
- * 0 means ignore memory ranges above 4GiB
+struct mtrr_state {
+ uint64_t deftype;
+ bool enable_cache;
+};
+
+/**
+ * mtrr_open() - Prepare to adjust MTRRs
+ *
+ * Use mtrr_open() passing in a structure - this function will init it. Then
+ * when done, pass the same structure to mtrr_close() to re-enable MTRRs and
+ * possibly the cache.
+ *
+ * @state: Empty structure to pass in to hold settings
*/
-void x86_setup_var_mtrrs(unsigned int address_bits, unsigned int above4gb);
-void enable_fixed_mtrr(void);
-void x86_setup_fixed_mtrrs(void);
-/* Set up fixed MTRRs but do not enable them. */
-void x86_setup_fixed_mtrrs_no_enable(void);
-int x86_mtrr_check(void);
-/* ROM caching can be used after variable MTRRs are set up. Beware that
- * enabling CONFIG_CACHE_ROM will eat through quite a few MTRRs based on
- * one's IO hole size and WRCOMB resources. Be sure to check the console
- * log when enabling CONFIG_CACHE_ROM or adding WRCOMB resources. Beware that
- * on CPUs with core-scoped MTRR registers such as hyperthreaded CPUs the
- * rom caching will be disabled if all threads run the MTRR code. Therefore,
- * one needs to call x86_mtrr_enable_rom_caching() after all threads of the
- * same core have run the MTRR code. */
-#if CONFIG_CACHE_ROM
-void x86_mtrr_enable_rom_caching(void);
-void x86_mtrr_disable_rom_caching(void);
-/* Return the variable range MTRR index of the ROM cache. */
-long x86_mtrr_rom_cache_var_index(void);
-#else
-static inline void x86_mtrr_enable_rom_caching(void) {}
-static inline void x86_mtrr_disable_rom_caching(void) {}
-static inline long x86_mtrr_rom_cache_var_index(void) { return -1; }
-#endif /* CONFIG_CACHE_ROM */
+void mtrr_open(struct mtrr_state *state);
-#endif
+/**
+ * mtrr_open() - Clean up after adjusting MTRRs, and enable them
+ *
+ * This uses the structure containing information returned from mtrr_open().
+ *
+ * @state: Structure from mtrr_open()
+ */
+/* */
+void mtrr_close(struct mtrr_state *state);
+
+/**
+ * mtrr_add_request() - Add a new MTRR request
+ *
+ * This adds a request for a memory region to be set up in a particular way.
+ *
+ * @type: Requested type (MTRR_TYPE_)
+ * @start: Start address
+ * @size: Size
+ */
+int mtrr_add_request(int type, uint64_t start, uint64_t size);
+
+/**
+ * mtrr_commit() - set up the MTRR registers based on current requests
+ *
+ * This sets up MTRRs for the available DRAM and the requests received so far.
+ * It must be called with caches disabled.
+ *
+ * @do_caches: true if caches are currently on
+ */
+int mtrr_commit(bool do_caches);
-#if !defined(CONFIG_RAMTOP)
-# error "CONFIG_RAMTOP not defined"
#endif
#if ((CONFIG_XIP_ROM_SIZE & (CONFIG_XIP_ROM_SIZE - 1)) != 0)
@@ -114,8 +101,4 @@ static inline long x86_mtrr_rom_cache_var_index(void) { return -1; }
#define CACHE_ROM_BASE (((1 << 20) - (CONFIG_CACHE_ROM_SIZE >> 12)) << 12)
-#if (CONFIG_RAMTOP & (CONFIG_RAMTOP - 1)) != 0
-# error "CONFIG_RAMTOP must be a power of 2"
-#endif
-
#endif
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index ac1a808..c30dd4c 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -29,7 +29,7 @@ void board_pci_setup_hose(struct pci_controller *hose);
* pci_early_init_hose() - Set up PCI host before relocation
*
* This allocates memory for, sets up and returns the PCI hose. It can be
- * called before relocation. The hose will be stored in gd->arch.hose for
+ * called before relocation. The hose will be stored in gd->hose for
* later use, but will become invalid one DRAM is available.
*/
int pci_early_init_hose(struct pci_controller **hosep);
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 73262d7..32d7b98 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_HAVE_FSP) += cmd_hob.o
obj-y += gcc.o
obj-y += init_helpers.o
obj-y += interrupts.o
+obj-y += cmd_mtrr.o
obj-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o
obj-$(CONFIG_SYS_PCAT_TIMER) += pcat_timer.o
obj-$(CONFIG_PCI) += pci_type1.o
diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c
index d1f8933..1d75cfc 100644
--- a/arch/x86/lib/bios.c
+++ b/arch/x86/lib/bios.c
@@ -207,12 +207,14 @@ static u8 vbe_get_mode_info(struct vbe_mode_info *mi)
static u8 vbe_set_mode(struct vbe_mode_info *mi)
{
- debug("VBE: Setting VESA mode %#04x\n", mi->video_mode);
+ int video_mode = mi->video_mode;
+
+ debug("VBE: Setting VESA mode %#04x\n", video_mode);
/* request linear framebuffer mode */
- mi->video_mode |= (1 << 14);
- /* request clearing of framebuffer */
- mi->video_mode &= ~(1 << 15);
- realmode_interrupt(0x10, VESA_SET_MODE, mi->video_mode,
+ video_mode |= (1 << 14);
+ /* don't clear the framebuffer, we do that later */
+ video_mode |= (1 << 15);
+ realmode_interrupt(0x10, VESA_SET_MODE, video_mode,
0x0000, 0x0000, 0x0000, 0x0000);
return 0;
@@ -236,6 +238,7 @@ static void vbe_set_graphics(int vesa_mode, struct vbe_mode_info *mode_info)
return;
}
+ mode_info->video_mode &= 0x3ff;
vbe_set_mode(mode_info);
}
@@ -262,7 +265,6 @@ void bios_run_on_x86(pci_dev_t pcidev, unsigned long addr, int vesa_mode,
/* Make sure the code is placed. */
setup_realmode_code();
- disable_caches();
debug("Calling Option ROM at %lx, pci device %#x...", addr, num_dev);
/* Option ROM entry point is at OPROM start + 3 */
diff --git a/arch/x86/lib/cmd_hob.c b/arch/x86/lib/cmd_hob.c
index b552fe6..a0ef037 100644
--- a/arch/x86/lib/cmd_hob.c
+++ b/arch/x86/lib/cmd_hob.c
@@ -28,20 +28,20 @@ static char *hob_type[] = {
int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- union hob_pointers hob;
- u16 type;
+ const struct hob_header *hdr;
+ uint type;
char *desc;
int i = 0;
- hob.raw = (u8 *)gd->arch.hob_list;
+ hdr = gd->arch.hob_list;
- printf("HOB list address: 0x%08x\n\n", (unsigned int)hob.raw);
+ printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
printf("No. | Address | Type | Length in Bytes\n");
printf("----|----------|---------------------|----------------\n");
- while (!end_of_hob(hob)) {
- printf("%-3d | %08x | ", i, (unsigned int)hob.raw);
- type = get_hob_type(hob);
+ while (!end_of_hob(hdr)) {
+ printf("%-3d | %08x | ", i, (unsigned int)hdr);
+ type = hdr->type;
if (type == HOB_TYPE_UNUSED)
desc = "*Unused*";
else if (type == HOB_TYPE_EOH)
@@ -50,8 +50,8 @@ int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
desc = hob_type[type];
else
desc = "*Invalid Type*";
- printf("%-19s | %-15d\n", desc, get_hob_length(hob));
- hob.raw = get_next_hob(hob);
+ printf("%-19s | %-15d\n", desc, hdr->len);
+ hdr = get_next_hob(hdr);
i++;
}
diff --git a/arch/x86/lib/cmd_mtrr.c b/arch/x86/lib/cmd_mtrr.c
new file mode 100644
index 0000000..7e0506b
--- /dev/null
+++ b/arch/x86/lib/cmd_mtrr.c
@@ -0,0 +1,138 @@
+/*
+ * (C) Copyright 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/msr.h>
+#include <asm/mtrr.h>
+
+static const char *const mtrr_type_name[MTRR_TYPE_COUNT] = {
+ "Uncacheable",
+ "Combine",
+ "2",
+ "3",
+ "Through",
+ "Protect",
+ "Back",
+};
+
+static int do_mtrr_list(void)
+{
+ int i;
+
+ printf("Reg Valid Write-type %-16s %-16s %-16s\n", "Base ||",
+ "Mask ||", "Size ||");
+ for (i = 0; i < MTRR_COUNT; i++) {
+ const char *type = "Invalid";
+ uint64_t base, mask, size;
+ bool valid;
+
+ base = native_read_msr(MTRR_PHYS_BASE_MSR(i));
+ mask = native_read_msr(MTRR_PHYS_MASK_MSR(i));
+ size = ~mask & ((1ULL << CONFIG_CPU_ADDR_BITS) - 1);
+ size |= (1 << 12) - 1;
+ size += 1;
+ valid = mask & MTRR_PHYS_MASK_VALID;
+ type = mtrr_type_name[base & MTRR_BASE_TYPE_MASK];
+ printf("%d %-5s %-12s %016llx %016llx %016llx\n", i,
+ valid ? "Y" : "N", type, base, mask, size);
+ }
+
+ return 0;
+}
+
+static int do_mtrr_set(uint reg, int argc, char * const argv[])
+{
+ const char *typename = argv[0];
+ struct mtrr_state state;
+ uint32_t start, size;
+ uint64_t base, mask;
+ int i, type = -1;
+ bool valid;
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+ for (i = 0; i < MTRR_TYPE_COUNT; i++) {
+ if (*typename == *mtrr_type_name[i])
+ type = i;
+ }
+ if (type == -1) {
+ printf("Invalid type name %s\n", typename);
+ return CMD_RET_USAGE;
+ }
+ start = simple_strtoul(argv[1], NULL, 16);
+ size = simple_strtoul(argv[2], NULL, 16);
+
+ base = start | type;
+ valid = native_read_msr(MTRR_PHYS_MASK_MSR(reg)) & MTRR_PHYS_MASK_VALID;
+ mask = ~((uint64_t)size - 1);
+ mask &= (1ULL << CONFIG_CPU_ADDR_BITS) - 1;
+ if (valid)
+ mask |= MTRR_PHYS_MASK_VALID;
+
+ printf("base=%llx, mask=%llx\n", base, mask);
+ mtrr_open(&state);
+ wrmsrl(MTRR_PHYS_BASE_MSR(reg), base);
+ wrmsrl(MTRR_PHYS_MASK_MSR(reg), mask);
+ mtrr_close(&state);
+
+ return 0;
+}
+
+static int mtrr_set_valid(int reg, bool valid)
+{
+ struct mtrr_state state;
+ uint64_t mask;
+
+ mtrr_open(&state);
+ mask = native_read_msr(MTRR_PHYS_MASK_MSR(reg));
+ if (valid)
+ mask |= MTRR_PHYS_MASK_VALID;
+ else
+ mask &= ~MTRR_PHYS_MASK_VALID;
+ wrmsrl(MTRR_PHYS_MASK_MSR(reg), mask);
+ mtrr_close(&state);
+
+ return 0;
+}
+
+static int do_mtrr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ const char *cmd;
+ uint reg;
+
+ cmd = argv[1];
+ if (argc < 2 || *cmd == 'l')
+ return do_mtrr_list();
+ argc -= 2;
+ argv += 2;
+ if (argc <= 0)
+ return CMD_RET_USAGE;
+ reg = simple_strtoul(argv[0], NULL, 16);
+ if (reg >= MTRR_COUNT) {
+ printf("Invalid register number\n");
+ return CMD_RET_USAGE;
+ }
+ if (*cmd == 'e')
+ return mtrr_set_valid(reg, true);
+ else if (*cmd == 'd')
+ return mtrr_set_valid(reg, false);
+ else if (*cmd == 's')
+ return do_mtrr_set(reg, argc - 1, argv + 1);
+ else
+ return CMD_RET_USAGE;
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ mtrr, 6, 1, do_mtrr,
+ "Use x86 memory type range registers (32-bit only)",
+ "[list] - list current registers\n"
+ "set <reg> <type> <start> <size> - set a register\n"
+ "\t<type> is Uncacheable, Combine, Through, Protect, Back\n"
+ "disable <reg> - disable a register\n"
+ "ensable <reg> - enable a register"
+);
diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c
index be4eb12..fc211d9 100644
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@@ -7,6 +7,7 @@
#include <common.h>
#include <fdtdec.h>
#include <spi.h>
+#include <asm/mtrr.h>
#include <asm/sections.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -66,6 +67,13 @@ int calculate_relocation_address(void)
int init_cache_f_r(void)
{
+#if defined(CONFIG_X86_RESET_VECTOR) & !defined(CONFIG_HAVE_FSP)
+ int ret;
+
+ ret = mtrr_commit(false);
+ if (ret)
+ return ret;
+#endif
/* Initialise the CPU cache(s) */
return init_cache();
}
diff --git a/arch/x86/lib/tsc_timer.c b/arch/x86/lib/tsc_timer.c
index fb9afed..7f5ba2c 100644
--- a/arch/x86/lib/tsc_timer.c
+++ b/arch/x86/lib/tsc_timer.c
@@ -78,7 +78,7 @@ static int match_cpu(u8 family, u8 model)
*
* Returns the calibration value or 0 if MSR calibration failed.
*/
-static unsigned long try_msr_calibrate_tsc(void)
+static unsigned long __maybe_unused try_msr_calibrate_tsc(void)
{
u32 lo, hi, ratio, freq_id, freq;
unsigned long res;
@@ -199,7 +199,7 @@ static inline int pit_expect_msb(unsigned char val, u64 *tscp,
#define MAX_QUICK_PIT_MS 50
#define MAX_QUICK_PIT_ITERATIONS (MAX_QUICK_PIT_MS * PIT_TICK_RATE / 1000 / 256)
-static unsigned long quick_pit_calibrate(void)
+static unsigned long __maybe_unused quick_pit_calibrate(void)
{
int i;
u64 tsc, delta;
@@ -306,6 +306,9 @@ unsigned __attribute__((no_instrument_function)) long get_tbclk_mhz(void)
if (gd->arch.tsc_mhz)
return gd->arch.tsc_mhz;
+#ifdef CONFIG_TSC_CALIBRATION_BYPASS
+ fast_calibrate = CONFIG_TSC_FREQ_IN_MHZ;
+#else
fast_calibrate = try_msr_calibrate_tsc();
if (!fast_calibrate) {
@@ -313,6 +316,7 @@ unsigned __attribute__((no_instrument_function)) long get_tbclk_mhz(void)
if (!fast_calibrate)
panic("TSC frequency is ZERO");
}
+#endif
gd->arch.tsc_mhz = fast_calibrate;
return fast_calibrate;