diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/armv7/tables.c | 7 | ||||
| -rw-r--r-- | src/arch/x86/boot/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/arch/x86/boot/cbmem.c | 21 | ||||
| -rw-r--r-- | src/include/cbmem.h | 1 | ||||
| -rw-r--r-- | src/lib/cbmem.c | 52 |
5 files changed, 60 insertions, 23 deletions
diff --git a/src/arch/armv7/tables.c b/src/arch/armv7/tables.c index de6b6facc3..b566ff6130 100644 --- a/src/arch/armv7/tables.c +++ b/src/arch/armv7/tables.c @@ -29,6 +29,13 @@ #define MAX_COREBOOT_TABLE_SIZE (8 * 1024) +void __attribute__((weak)) get_cbmem_table(uint64_t *base, uint64_t *size) +{ + printk(BIOS_WARNING, "WARNING: you need to define get_cbmem_table for your board\n"); + *base = 0; + *size = 0; +} + void cbmem_arch_init(void) { } diff --git a/src/arch/x86/boot/Makefile.inc b/src/arch/x86/boot/Makefile.inc index 9334839a62..d3a5f2163c 100644 --- a/src/arch/x86/boot/Makefile.inc +++ b/src/arch/x86/boot/Makefile.inc @@ -1,3 +1,5 @@ +romstage-y += cbmem.c + ramstage-y += boot.c ramstage-$(CONFIG_MULTIBOOT) += multiboot.c ramstage-y += gdt.c diff --git a/src/arch/x86/boot/cbmem.c b/src/arch/x86/boot/cbmem.c index 6ec005d183..333ca55ccf 100644 --- a/src/arch/x86/boot/cbmem.c +++ b/src/arch/x86/boot/cbmem.c @@ -18,7 +18,28 @@ #include <console/console.h> #include <cbmem.h> +unsigned long __attribute__((weak)) get_top_of_ram(void) +{ + printk(BIOS_WARNING, "WARNING: you need to define get_top_of_ram() for your chipset\n"); + return 0; +} + #if !CONFIG_DYNAMIC_CBMEM +void get_cbmem_table(uint64_t *base, uint64_t *size) +{ + uint64_t top_of_ram = get_top_of_ram(); + + if (top_of_ram >= HIGH_MEMORY_SIZE) { + *base = top_of_ram - HIGH_MEMORY_SIZE; + *size = HIGH_MEMORY_SIZE; + } else { + *base = 0; + *size = 0; + } +} +#endif + +#if !CONFIG_DYNAMIC_CBMEM && !defined(__PRE_RAM__) /* This is for compatibility with old boards only. Any new chipset and board * must implement get_top_of_ram() for both romstage and ramstage to support * features like CAR_MIGRATION and CBMEM_CONSOLE. diff --git a/src/include/cbmem.h b/src/include/cbmem.h index 96b9da8c5a..4ee0b2ed1d 100644 --- a/src/include/cbmem.h +++ b/src/include/cbmem.h @@ -140,6 +140,7 @@ int cbmem_base_check(void); void cbmem_init(u64 baseaddr, u64 size); int cbmem_reinit(u64 baseaddr); +void get_cbmem_table(uint64_t *base, uint64_t *size); extern struct cbmem_entry *get_cbmem_toc(void); #endif /* CONFIG_DYNAMIC_CBMEM */ diff --git a/src/lib/cbmem.c b/src/lib/cbmem.c index 41d80b8f85..c5a11e3907 100644 --- a/src/lib/cbmem.c +++ b/src/lib/cbmem.c @@ -45,30 +45,46 @@ struct cbmem_entry { #ifndef __PRE_RAM__ uint64_t high_tables_base = 0; uint64_t high_tables_size = 0; -static struct cbmem_entry *bss_cbmem_toc; -struct cbmem_entry *__attribute__((weak)) get_cbmem_toc(void) +void __attribute__((weak)) set_cbmem_toc(struct cbmem_entry * x) { - return bss_cbmem_toc; + /* do nothing, this should be called by chipset to save TOC in NVRAM */ } -void __attribute__((weak)) set_cbmem_toc(struct cbmem_entry * x) +static void cbmem_trace_location(uint64_t base, uint64_t size, const char *s) { - /* do nothing, this should be called by chipset to save TOC in NVRAM */ + if (base && size && s) { + printk(BIOS_DEBUG, "CBMEM region %llx-%llx (%s)\n", + base, base + size - 1, s); + } } +#endif + +static void cbmem_locate_table(uint64_t *base, uint64_t *size) +{ +#ifdef __PRE_RAM__ + get_cbmem_table(base, size); #else + if (!(high_tables_base && high_tables_size)) { + get_cbmem_table(&high_tables_base, &high_tables_size); + cbmem_trace_location(high_tables_base, high_tables_size, __FUNCTION__); + } + *base = high_tables_base; + *size = high_tables_size; +#endif +} struct cbmem_entry *__attribute__((weak)) get_cbmem_toc(void) { - printk(BIOS_WARNING, "WARNING: you need to define get_cbmem_toc() for your chipset\n"); - return NULL; + uint64_t base, size; + cbmem_locate_table(&base, &size); + return (struct cbmem_entry *)(unsigned long)base; } -#endif #if !defined(__PRE_RAM__) void cbmem_late_set_table(uint64_t base, uint64_t size) { - printk(BIOS_DEBUG, "CBMEM region %llx-%llx (%s)\n", base, base+size-1, __FUNCTION__); + cbmem_trace_location(base, size, __FUNCTION__); high_tables_base = base; high_tables_size = size; } @@ -89,10 +105,6 @@ void cbmem_init(u64 baseaddr, u64 size) struct cbmem_entry *cbmem_toc; cbmem_toc = (struct cbmem_entry *)(unsigned long)baseaddr; -#ifndef __PRE_RAM__ - bss_cbmem_toc = cbmem_toc; -#endif - printk(BIOS_DEBUG, "Initializing CBMEM area to 0x%llx (%lld bytes)\n", baseaddr, size); @@ -123,10 +135,6 @@ int cbmem_reinit(u64 baseaddr) printk(BIOS_DEBUG, "Re-Initializing CBMEM area to 0x%lx\n", (unsigned long)baseaddr); -#ifndef __PRE_RAM__ - bss_cbmem_toc = cbmem_toc; -#endif - return (cbmem_toc[0].magic == CBMEM_MAGIC); } @@ -219,21 +227,19 @@ void *cbmem_find(u32 id) /* Returns True if it was not initialized before. */ int cbmem_initialize(void) { + uint64_t base = 0, size = 0; int rv = 0; -#ifdef __PRE_RAM__ - uint64_t high_tables_base = get_top_of_ram() - HIGH_MEMORY_SIZE; - uint64_t high_tables_size = HIGH_MEMORY_SIZE; -#endif + cbmem_locate_table(&base, &size); /* We expect the romstage to always initialize it. */ - if (!cbmem_reinit(high_tables_base)) { + if (!cbmem_reinit(base)) { #if CONFIG_HAVE_ACPI_RESUME && !defined(__PRE_RAM__) /* Something went wrong, our high memory area got wiped */ if (acpi_slp_type == 3 || acpi_slp_type == 2) acpi_slp_type = 0; #endif - cbmem_init(high_tables_base, high_tables_size); + cbmem_init(base, size); rv = 1; } #ifndef __PRE_RAM__ |