diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/boot/coreboot_table.c | 43 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/coreboot_tables.h | 2 | ||||
| -rw-r--r-- | src/include/boot/coreboot_tables.h | 36 |
3 files changed, 81 insertions, 0 deletions
diff --git a/src/arch/x86/boot/coreboot_table.c b/src/arch/x86/boot/coreboot_table.c index a9ff6f0f1b..219de7adae 100644 --- a/src/arch/x86/boot/coreboot_table.c +++ b/src/arch/x86/boot/coreboot_table.c @@ -179,6 +179,39 @@ static void lb_framebuffer(struct lb_header *header) #endif } +#if CONFIG_CHROMEOS +static void lb_gpios(struct lb_header *header) +{ + struct lb_gpios *gpios; + gpios = (struct lb_gpios *)lb_new_record(header); + gpios->tag = LB_TAG_GPIO; + gpios->size = sizeof(*gpios); + gpios->count = 0; + fill_lb_gpios(gpios); +} + +static void lb_vdat(struct lb_header *header) +{ + struct lb_vdat* vdat; + + vdat = (struct lb_vdat *)lb_new_record(header); + vdat->tag = LB_TAG_VDAT; + vdat->size = sizeof(*vdat); + acpi_get_vdat_info(&vdat->vdat_addr, &vdat->vdat_size); +} + +static void lb_vbnv(struct lb_header *header) +{ + struct lb_vbnv* vbnv; + + vbnv = (struct lb_vbnv *)lb_new_record(header); + vbnv->tag = LB_TAG_VBNV; + vbnv->size = sizeof(*vbnv); + vbnv->vbnv_start = CONFIG_VBNV_OFFSET + 14; + vbnv->vbnv_size = CONFIG_VBNV_SIZE; +} +#endif + static void add_cbmem_pointers(struct lb_header *header) { /* @@ -654,6 +687,16 @@ unsigned long write_coreboot_table( /* Record our framebuffer */ lb_framebuffer(head); +#if CONFIG_CHROMEOS + /* Record our GPIO settings (ChromeOS specific) */ + lb_gpios(head); + + /* pass along the VDAT buffer adress */ + lb_vdat(head); + + /* pass along VBNV offsets in CMOS */ + lb_vbnv(head); +#endif add_cbmem_pointers(head); /* Remember where my valid memory ranges are */ diff --git a/src/arch/x86/include/arch/coreboot_tables.h b/src/arch/x86/include/arch/coreboot_tables.h index 773e053835..b177949fb1 100644 --- a/src/arch/x86/include/arch/coreboot_tables.h +++ b/src/arch/x86/include/arch/coreboot_tables.h @@ -20,4 +20,6 @@ struct lb_memory *get_lb_mem(void); int add_mainboard_resources(struct lb_memory *mem); int add_northbridge_resources(struct lb_memory *mem); +void fill_lb_gpios(struct lb_gpios *gpios); + #endif /* COREBOOT_TABLE_H */ diff --git a/src/include/boot/coreboot_tables.h b/src/include/boot/coreboot_tables.h index 5535a38a7c..5d5ca2cf56 100644 --- a/src/include/boot/coreboot_tables.h +++ b/src/include/boot/coreboot_tables.h @@ -195,6 +195,33 @@ struct lb_framebuffer { uint8_t reserved_mask_size; }; +#define LB_TAG_GPIO 0x0013 + +struct lb_gpio { + uint32_t port; + uint32_t polarity; + uint32_t value; +#define GPIO_MAX_NAME_LENGTH 16 + uint8_t name[GPIO_MAX_NAME_LENGTH]; +}; + +struct lb_gpios { + uint32_t tag; + uint32_t size; + + uint32_t count; + struct lb_gpio gpios[0]; +}; + +#define LB_TAG_VDAT 0x0015 +struct lb_vdat { + uint32_t tag; + uint32_t size; + + void *vdat_addr; + uint32_t vdat_size; +}; + #define LB_TAG_TIMESTAMPS 0x0016 #define LB_TAG_CBMEM_CONSOLE 0x0017 #define LB_TAG_MRC_CACHE 0x0018 @@ -205,6 +232,15 @@ struct lb_cbmem_ref { void *cbmem_addr; }; +#define LB_TAG_VBNV 0x0019 +struct lb_vbnv { + uint32_t tag; + uint32_t size; + + uint32_t vbnv_start; + uint32_t vbnv_size; +}; + /* The following structures are for the cmos definitions table */ #define LB_TAG_CMOS_OPTION_TABLE 200 /* cmos header record */ |