diff options
Diffstat (limited to 'arch/x86/cpu')
-rw-r--r-- | arch/x86/cpu/apollolake/cpu.c | 14 | ||||
-rw-r--r-- | arch/x86/cpu/apollolake/cpu_common.c | 60 | ||||
-rw-r--r-- | arch/x86/cpu/apollolake/cpu_spl.c | 58 | ||||
-rw-r--r-- | arch/x86/cpu/coreboot/Makefile | 1 | ||||
-rw-r--r-- | arch/x86/cpu/coreboot/coreboot.c | 2 | ||||
-rw-r--r-- | arch/x86/cpu/coreboot/sdram.c | 29 | ||||
-rw-r--r-- | arch/x86/cpu/coreboot/tables.c | 255 | ||||
-rw-r--r-- | arch/x86/cpu/coreboot/timestamp.c | 14 | ||||
-rw-r--r-- | arch/x86/cpu/start_from_spl.S | 4 |
9 files changed, 77 insertions, 360 deletions
diff --git a/arch/x86/cpu/apollolake/cpu.c b/arch/x86/cpu/apollolake/cpu.c index fbc016d..647c9df 100644 --- a/arch/x86/cpu/apollolake/cpu.c +++ b/arch/x86/cpu/apollolake/cpu.c @@ -19,6 +19,7 @@ #include <asm/arch/iomap.h> #include <dm/acpi.h> +#ifdef CONFIG_ACPIGEN #define CSTATE_RES(address_space, width, offset, address) \ { \ .space_id = address_space, \ @@ -57,11 +58,6 @@ static struct acpi_cstate cstate_map[] = { }, }; -static int apl_get_info(const struct udevice *dev, struct cpu_info *info) -{ - return cpu_intel_get_info(info, INTEL_BCLK_MHZ); -} - static int acpi_cpu_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx) { uint core_id = dev_seq(dev); @@ -89,6 +85,12 @@ static int acpi_cpu_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx) return 0; } +#endif /* CONFIG_ACPIGEN */ + +static int apl_get_info(const struct udevice *dev, struct cpu_info *info) +{ + return cpu_intel_get_info(info, INTEL_BCLK_MHZ); +} static void update_fixed_mtrrs(void) { @@ -170,9 +172,11 @@ static int cpu_apl_probe(struct udevice *dev) return 0; } +#ifdef CONFIG_ACPIGEN struct acpi_ops apl_cpu_acpi_ops = { .fill_ssdt = acpi_cpu_fill_ssdt, }; +#endif static const struct cpu_ops cpu_x86_apl_ops = { .get_desc = cpu_x86_get_desc, diff --git a/arch/x86/cpu/apollolake/cpu_common.c b/arch/x86/cpu/apollolake/cpu_common.c index 63f6999..5d7d26b 100644 --- a/arch/x86/cpu/apollolake/cpu_common.c +++ b/arch/x86/cpu/apollolake/cpu_common.c @@ -7,11 +7,17 @@ #include <dm.h> #include <log.h> #include <asm/cpu_common.h> +#include <asm/io.h> #include <asm/msr.h> +#include <asm/pci.h> #include <asm/arch/cpu.h> #include <asm/arch/iomap.h> +#include <asm/arch/uart.h> #include <power/acpi_pmc.h> +/* Define this here to avoid referencing any drivers for the debug UART 1 */ +#define PCH_DEV_P2SB PCI_BDF(0, 0x0d, 0) + void cpu_flush_l1d_to_l2(void) { struct msr_t msr; @@ -40,3 +46,57 @@ void enable_pm_timer_emulation(const struct udevice *pmc) debug("PM timer %x %x\n", msr.hi, msr.lo); msr_write(MSR_EMULATE_PM_TIMER, msr); } + +static void pch_uart_init(void) +{ + /* + * Set up the pinmux so that the UART rx/tx signals are connected + * outside the SoC. + * + * There are about 500 lines of code required to program the GPIO + * configuration for the UARTs. But it boils down to four writes, and + * for the debug UART we want the minimum possible amount of code before + * the UART is running. So just add the magic writes here. See + * apl_hostbridge_early_init_pinctrl() for the full horror. + */ + if (PCI_FUNC(PCH_DEV_UART) == 1) { + writel(0x40000402, 0xd0c50650); + writel(0x3c47, 0xd0c50654); + writel(0x40000400, 0xd0c50658); + writel(0x3c48, 0xd0c5065c); + } else { /* UART2 */ + writel(0x40000402, 0xd0c50670); + writel(0x3c4b, 0xd0c50674); + writel(0x40000400, 0xd0c50678); + writel(0x3c4c, 0xd0c5067c); + } + +#ifdef CONFIG_DEBUG_UART + apl_uart_init(PCH_DEV_UART, CONFIG_DEBUG_UART_BASE); +#endif +} + +static void p2sb_enable_bar(ulong bar) +{ + /* Enable PCR Base address in PCH */ + pci_x86_write_config(PCH_DEV_P2SB, PCI_BASE_ADDRESS_0, bar, + PCI_SIZE_32); + pci_x86_write_config(PCH_DEV_P2SB, PCI_BASE_ADDRESS_1, 0, PCI_SIZE_32); + + /* Enable P2SB MSE */ + pci_x86_write_config(PCH_DEV_P2SB, PCI_COMMAND, + PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY, + PCI_SIZE_8); +} + +/* + * board_debug_uart_init() - Init the debug UART ready for use + * + * This is the minimum init needed to get the UART running. It avoids any + * drivers or complex code, so that the UART is running as soon as possible. + */ +void board_debug_uart_init(void) +{ + p2sb_enable_bar(IOMAP_P2SB_BAR); + pch_uart_init(); +} diff --git a/arch/x86/cpu/apollolake/cpu_spl.c b/arch/x86/cpu/apollolake/cpu_spl.c index 9a18476..8f48457 100644 --- a/arch/x86/cpu/apollolake/cpu_spl.c +++ b/arch/x86/cpu/apollolake/cpu_spl.c @@ -31,68 +31,10 @@ #include <asm/arch/lpc.h> #include <asm/arch/pch.h> #include <asm/arch/systemagent.h> -#include <asm/arch/uart.h> #include <asm/fsp2/fsp_api.h> #include <linux/sizes.h> #include <power/acpi_pmc.h> -/* Define this here to avoid referencing any drivers for the debug UART 1 */ -#define PCH_DEV_P2SB PCI_BDF(0, 0x0d, 0) - -static void pch_uart_init(void) -{ - /* - * Set up the pinmux so that the UART rx/tx signals are connected - * outside the SoC. - * - * There are about 500 lines of code required to program the GPIO - * configuration for the UARTs. But it boils down to four writes, and - * for the debug UART we want the minimum possible amount of code before - * the UART is running. So just add the magic writes here. See - * apl_hostbridge_early_init_pinctrl() for the full horror. - */ - if (PCI_FUNC(PCH_DEV_UART) == 1) { - writel(0x40000402, 0xd0c50650); - writel(0x3c47, 0xd0c50654); - writel(0x40000400, 0xd0c50658); - writel(0x3c48, 0xd0c5065c); - } else { /* UART2 */ - writel(0x40000402, 0xd0c50670); - writel(0x3c4b, 0xd0c50674); - writel(0x40000400, 0xd0c50678); - writel(0x3c4c, 0xd0c5067c); - } - -#ifdef CONFIG_DEBUG_UART - apl_uart_init(PCH_DEV_UART, CONFIG_DEBUG_UART_BASE); -#endif -} - -static void p2sb_enable_bar(ulong bar) -{ - /* Enable PCR Base address in PCH */ - pci_x86_write_config(PCH_DEV_P2SB, PCI_BASE_ADDRESS_0, bar, - PCI_SIZE_32); - pci_x86_write_config(PCH_DEV_P2SB, PCI_BASE_ADDRESS_1, 0, PCI_SIZE_32); - - /* Enable P2SB MSE */ - pci_x86_write_config(PCH_DEV_P2SB, PCI_COMMAND, - PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY, - PCI_SIZE_8); -} - -/* - * board_debug_uart_init() - Init the debug UART ready for use - * - * This is the minimum init needed to get the UART running. It avoids any - * drivers or complex code, so that the UART is running as soon as possible. - */ -void board_debug_uart_init(void) -{ - p2sb_enable_bar(IOMAP_P2SB_BAR); - pch_uart_init(); -} - static int fast_spi_cache_bios_region(void) { uint map_size, offset; diff --git a/arch/x86/cpu/coreboot/Makefile b/arch/x86/cpu/coreboot/Makefile index 605f903..a6cdb9a 100644 --- a/arch/x86/cpu/coreboot/Makefile +++ b/arch/x86/cpu/coreboot/Makefile @@ -20,5 +20,4 @@ else obj-y += sdram.o endif obj-y += coreboot.o -obj-y += tables.o obj-y += timestamp.o diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c index 15c3ad8..69cf8f4 100644 --- a/arch/x86/cpu/coreboot/coreboot.c +++ b/arch/x86/cpu/coreboot/coreboot.c @@ -14,7 +14,7 @@ #include <asm/io.h> #include <asm/msr.h> #include <asm/mtrr.h> -#include <asm/arch/sysinfo.h> +#include <asm/cb_sysinfo.h> #include <asm/arch/timestamp.h> DECLARE_GLOBAL_DATA_PTR; diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c index a2e47d1..4a256ba 100644 --- a/arch/x86/cpu/coreboot/sdram.c +++ b/arch/x86/cpu/coreboot/sdram.c @@ -8,7 +8,7 @@ #include <common.h> #include <init.h> #include <asm/e820.h> -#include <asm/arch/sysinfo.h> +#include <asm/cb_sysinfo.h> #include <asm/global_data.h> DECLARE_GLOBAL_DATA_PTR; @@ -16,32 +16,7 @@ DECLARE_GLOBAL_DATA_PTR; unsigned int install_e820_map(unsigned int max_entries, struct e820_entry *entries) { - unsigned int num_entries; - int i; - - num_entries = min((unsigned int)lib_sysinfo.n_memranges, max_entries); - if (num_entries < lib_sysinfo.n_memranges) { - printf("Warning: Limiting e820 map to %d entries.\n", - num_entries); - } - for (i = 0; i < num_entries; i++) { - struct memrange *memrange = &lib_sysinfo.memrange[i]; - - entries[i].addr = memrange->base; - entries[i].size = memrange->size; - - /* - * coreboot has some extensions (type 6 & 16) to the E820 types. - * When we detect this, mark it as E820_RESERVED. - */ - if (memrange->type == CB_MEM_VENDOR_RSVD || - memrange->type == CB_MEM_TABLE) - entries[i].type = E820_RESERVED; - else - entries[i].type = memrange->type; - } - - return num_entries; + return cb_install_e820_map(max_entries, entries); } /* diff --git a/arch/x86/cpu/coreboot/tables.c b/arch/x86/cpu/coreboot/tables.c deleted file mode 100644 index c52741a..0000000 --- a/arch/x86/cpu/coreboot/tables.c +++ /dev/null @@ -1,255 +0,0 @@ -// SPDX-License-Identifier: BSD-3-Clause -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2008 Advanced Micro Devices, Inc. - * Copyright (C) 2009 coresystems GmbH - */ - -#include <common.h> -#include <net.h> -#include <asm/arch/sysinfo.h> -#include <asm/global_data.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * This needs to be in the .data section so that it's copied over during - * relocation. By default it's put in the .bss section which is simply filled - * with zeroes when transitioning from "ROM", which is really RAM, to other - * RAM. - */ -struct sysinfo_t lib_sysinfo __attribute__((section(".data"))); - -/* - * Some of this is x86 specific, and the rest of it is generic. Right now, - * since we only support x86, we'll avoid trying to make lots of infrastructure - * we don't need. If in the future, we want to use coreboot on some other - * architecture, then take out the generic parsing code and move it elsewhere. - */ - -/* === Parsing code === */ -/* This is the generic parsing code. */ - -static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info) -{ - struct cb_memory *mem = (struct cb_memory *)ptr; - int count = MEM_RANGE_COUNT(mem); - int i; - - if (count > SYSINFO_MAX_MEM_RANGES) - count = SYSINFO_MAX_MEM_RANGES; - - info->n_memranges = 0; - - for (i = 0; i < count; i++) { - struct cb_memory_range *range = - (struct cb_memory_range *)MEM_RANGE_PTR(mem, i); - - info->memrange[info->n_memranges].base = - UNPACK_CB64(range->start); - - info->memrange[info->n_memranges].size = - UNPACK_CB64(range->size); - - info->memrange[info->n_memranges].type = range->type; - - info->n_memranges++; - } -} - -static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info) -{ - struct cb_serial *ser = (struct cb_serial *)ptr; - info->serial = ser; -} - -static void cb_parse_vbnv(unsigned char *ptr, struct sysinfo_t *info) -{ - struct cb_vbnv *vbnv = (struct cb_vbnv *)ptr; - - info->vbnv_start = vbnv->vbnv_start; - info->vbnv_size = vbnv->vbnv_size; -} - -static void cb_parse_cbmem_entry(unsigned char *ptr, struct sysinfo_t *info) -{ - struct cb_cbmem_entry *entry = (struct cb_cbmem_entry *)ptr; - - if (entry->id != CBMEM_ID_SMBIOS) - return; - - info->smbios_start = entry->address; - info->smbios_size = entry->entry_size; -} - -static void cb_parse_gpios(unsigned char *ptr, struct sysinfo_t *info) -{ - int i; - struct cb_gpios *gpios = (struct cb_gpios *)ptr; - - info->num_gpios = (gpios->count < SYSINFO_MAX_GPIOS) ? - (gpios->count) : SYSINFO_MAX_GPIOS; - - for (i = 0; i < info->num_gpios; i++) - info->gpios[i] = gpios->gpios[i]; -} - -static void cb_parse_vdat(unsigned char *ptr, struct sysinfo_t *info) -{ - struct cb_vdat *vdat = (struct cb_vdat *) ptr; - - info->vdat_addr = vdat->vdat_addr; - info->vdat_size = vdat->vdat_size; -} - -static void cb_parse_tstamp(unsigned char *ptr, struct sysinfo_t *info) -{ - info->tstamp_table = ((struct cb_cbmem_tab *)ptr)->cbmem_tab; -} - -static void cb_parse_cbmem_cons(unsigned char *ptr, struct sysinfo_t *info) -{ - info->cbmem_cons = ((struct cb_cbmem_tab *)ptr)->cbmem_tab; -} - -static void cb_parse_framebuffer(unsigned char *ptr, struct sysinfo_t *info) -{ - info->framebuffer = (struct cb_framebuffer *)ptr; -} - -static void cb_parse_string(unsigned char *ptr, char **info) -{ - *info = (char *)((struct cb_string *)ptr)->string; -} - -__weak void cb_parse_unhandled(u32 tag, unsigned char *ptr) -{ -} - -static int cb_parse_header(void *addr, int len, struct sysinfo_t *info) -{ - unsigned char *ptr = addr; - struct cb_header *header; - int i; - - header = (struct cb_header *)ptr; - if (!header->table_bytes) - return 0; - - /* Make sure the checksums match. */ - if (!ip_checksum_ok(header, sizeof(*header))) - return -1; - - if (compute_ip_checksum(ptr + sizeof(*header), header->table_bytes) != - header->table_checksum) - return -1; - - /* Now, walk the tables. */ - ptr += header->header_bytes; - - /* Inintialize some fields to sentinel values. */ - info->vbnv_start = info->vbnv_size = (uint32_t)(-1); - - for (i = 0; i < header->table_entries; i++) { - struct cb_record *rec = (struct cb_record *)ptr; - - /* We only care about a few tags here (maybe more later). */ - switch (rec->tag) { - case CB_TAG_FORWARD: - return cb_parse_header( - (void *)(unsigned long) - ((struct cb_forward *)rec)->forward, - len, info); - continue; - case CB_TAG_MEMORY: - cb_parse_memory(ptr, info); - break; - case CB_TAG_SERIAL: - cb_parse_serial(ptr, info); - break; - case CB_TAG_VERSION: - cb_parse_string(ptr, &info->version); - break; - case CB_TAG_EXTRA_VERSION: - cb_parse_string(ptr, &info->extra_version); - break; - case CB_TAG_BUILD: - cb_parse_string(ptr, &info->build); - break; - case CB_TAG_COMPILE_TIME: - cb_parse_string(ptr, &info->compile_time); - break; - case CB_TAG_COMPILE_BY: - cb_parse_string(ptr, &info->compile_by); - break; - case CB_TAG_COMPILE_HOST: - cb_parse_string(ptr, &info->compile_host); - break; - case CB_TAG_COMPILE_DOMAIN: - cb_parse_string(ptr, &info->compile_domain); - break; - case CB_TAG_COMPILER: - cb_parse_string(ptr, &info->compiler); - break; - case CB_TAG_LINKER: - cb_parse_string(ptr, &info->linker); - break; - case CB_TAG_ASSEMBLER: - cb_parse_string(ptr, &info->assembler); - break; - /* - * FIXME we should warn on serial if coreboot set up a - * framebuffer buf the payload does not know about it. - */ - case CB_TAG_FRAMEBUFFER: - cb_parse_framebuffer(ptr, info); - break; - case CB_TAG_GPIO: - cb_parse_gpios(ptr, info); - break; - case CB_TAG_VDAT: - cb_parse_vdat(ptr, info); - break; - case CB_TAG_TIMESTAMPS: - cb_parse_tstamp(ptr, info); - break; - case CB_TAG_CBMEM_CONSOLE: - cb_parse_cbmem_cons(ptr, info); - break; - case CB_TAG_VBNV: - cb_parse_vbnv(ptr, info); - break; - case CB_TAG_CBMEM_ENTRY: - cb_parse_cbmem_entry(ptr, info); - break; - default: - cb_parse_unhandled(rec->tag, ptr); - break; - } - - ptr += rec->size; - } - - return 1; -} - -/* == Architecture specific == */ -/* This is the x86 specific stuff. */ - -int get_coreboot_info(struct sysinfo_t *info) -{ - long addr; - int ret; - - addr = locate_coreboot_table(); - if (addr < 0) - return addr; - ret = cb_parse_header((void *)addr, 0x1000, info); - if (!ret) - return -ENOENT; - gd->arch.coreboot_table = addr; - gd->flags |= GD_FLG_SKIP_LL_INIT; - - return 0; -} diff --git a/arch/x86/cpu/coreboot/timestamp.c b/arch/x86/cpu/coreboot/timestamp.c index 0162597..7f133ce 100644 --- a/arch/x86/cpu/coreboot/timestamp.c +++ b/arch/x86/cpu/coreboot/timestamp.c @@ -8,21 +8,9 @@ #include <common.h> #include <bootstage.h> #include <asm/arch/timestamp.h> -#include <asm/arch/sysinfo.h> +#include <asm/cb_sysinfo.h> #include <linux/compiler.h> -struct timestamp_entry { - uint32_t entry_id; - uint64_t entry_stamp; -} __packed; - -struct timestamp_table { - uint64_t base_time; - uint32_t max_entries; - uint32_t num_entries; - struct timestamp_entry entries[0]; /* Variable number of entries */ -} __packed; - static struct timestamp_table *ts_table __attribute__((section(".data"))); void timestamp_init(void) diff --git a/arch/x86/cpu/start_from_spl.S b/arch/x86/cpu/start_from_spl.S index 905c825..abfd4ab 100644 --- a/arch/x86/cpu/start_from_spl.S +++ b/arch/x86/cpu/start_from_spl.S @@ -43,6 +43,10 @@ use_existing_stack: call board_init_f_init_reserve +#ifdef CONFIG_DEBUG_UART + call debug_uart_init +#endif + call x86_cpu_reinit_f xorl %eax, %eax call board_init_f |