diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/cbmem.h | 4 | ||||
| -rw-r--r-- | src/lib/cbmem.c | 39 |
2 files changed, 26 insertions, 17 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h index 98068543f2..a681c36ea8 100644 --- a/src/include/cbmem.h +++ b/src/include/cbmem.h @@ -22,7 +22,9 @@ /* Reserve 128k for ACPI and other tables */ #define HIGH_MEMORY_DEF_SIZE ( 128 * 1024 ) +#ifndef __PRE_RAM__ extern uint64_t high_tables_base, high_tables_size; +#endif #if CONFIG_HAVE_ACPI_RESUME #define HIGH_MEMORY_SIZE ((CONFIG_RAMTOP - CONFIG_RAMBASE) + HIGH_MEMORY_DEF_SIZE) @@ -41,7 +43,7 @@ extern uint64_t high_tables_base, high_tables_size; #define CBMEM_ID_SMBIOS 0x534d4254 #define CBMEM_ID_NONE 0x00000000 -void cbmem_initialize(void); +int cbmem_initialize(void); void cbmem_init(u64 baseaddr, u64 size); int cbmem_reinit(u64 baseaddr); diff --git a/src/lib/cbmem.c b/src/lib/cbmem.c index 202f521fdb..f5c3d3a811 100644 --- a/src/lib/cbmem.c +++ b/src/lib/cbmem.c @@ -183,30 +183,38 @@ void *cbmem_find(u32 id) return (void *)NULL; } -#ifndef __PRE_RAM__ -#if CONFIG_HAVE_ACPI_RESUME +#if CONFIG_HAVE_ACPI_RESUME && !defined(__PRE_RAM__) extern u8 acpi_slp_type; #endif -void cbmem_initialize(void) +#if CONFIG_EARLY_CBMEM_INIT || !defined(__PRE_RAM__) +/* Returns True if it was not intialized before. */ +int cbmem_initialize(void) { -#if CONFIG_HAVE_ACPI_RESUME - printk(BIOS_DEBUG, "%s: acpi_slp_type=%d\n", __func__, acpi_slp_type); - if (acpi_slp_type == 3 || acpi_slp_type == 2) { - if (!cbmem_reinit(high_tables_base)) { - printk(BIOS_DEBUG, "cbmem_reinit failed\n"); - /* Something went wrong, our high memory area got wiped */ + int rv = 0; + +#ifdef __PRE_RAM__ + extern unsigned long get_top_of_ram(void); + uint64_t high_tables_base = get_top_of_ram() - HIGH_MEMORY_SIZE; + uint64_t high_tables_size = HIGH_MEMORY_SIZE; +#endif + + /* We expect the romstage to always initialize it. */ + if (!cbmem_reinit(high_tables_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; - cbmem_init(high_tables_base, high_tables_size); - } - } else { +#endif cbmem_init(high_tables_base, high_tables_size); + rv = 1; } -#else - cbmem_init(high_tables_base, high_tables_size); -#endif +#ifndef __PRE_RAM__ cbmem_arch_init(); +#endif + return rv; } +#endif #ifndef __PRE_RAM__ void cbmem_list(void) @@ -240,5 +248,4 @@ void cbmem_list(void) } #endif -#endif |