sravan/system76-coreboot
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Update libpayloads understanding of the coreboot tables.

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Give it somewhere to put the new info in sysinfo, and tell it how to parse
the new tables which it doesn't yet understand.

Change-Id: I01d3318138696e6407553c27c1814f79e3fbc4f8
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://review.coreboot.org/1718
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Gabe Black 2012-03-11 01:57:53 -08:00 committed by Stefan Reinauer
parent 1fc3461792
commit d3890cc16d
4 changed files with 176 additions and 0 deletions
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6
payloads/libpayload/Config.in
View File

@ -53,6 +53,12 @@ config DEVELOPER
Prompt for developer options. These options are only interesting for
libpayload developers.
config CHROMEOS
bool "ChromeOS specific features"
default n
help
Enable ChromeOS specific features.
endmenu
menu "Architecture Options"

96
payloads/libpayload/arch/i386/coreboot.c
View File

@ -84,6 +84,51 @@ static void cb_parse_version(void *ptr, struct sysinfo_t *info)
info->cb_version = (char *)ver->string;
}
#if CONFIG_CHROMEOS
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_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;
}
#endif
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_mrc_cache(unsigned char *ptr, struct sysinfo_t *info)
{
info->mrc_cache = ((struct cb_cbmem_tab *)ptr)->cbmem_tab;
}
#ifdef CONFIG_NVRAM
static void cb_parse_optiontable(void *ptr, struct sysinfo_t *info)
{
@ -106,6 +151,11 @@ static void cb_parse_framebuffer(void *ptr, struct sysinfo_t *info)
}
#endif
static void cb_parse_string(unsigned char *ptr, char **info)
{
*info = (char *)((struct cb_string *)ptr)->string;
}
static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
{
struct cb_header *header;
@ -157,6 +207,33 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
case CB_TAG_VERSION:
cb_parse_version(ptr, info);
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;
#ifdef CONFIG_NVRAM
case CB_TAG_CMOS_OPTION_TABLE:
cb_parse_optiontable(ptr, info);
@ -174,6 +251,25 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
#endif
case CB_TAG_MAINBOARD:
info->mainboard = (struct cb_mainboard *)ptr;
#if CONFIG_CHROMEOS
case CB_TAG_GPIO:
cb_parse_gpios(ptr, info);
break;
case CB_TAG_VDAT:
cb_parse_vdat(ptr, info);
break;
case CB_TAG_VBNV:
cb_parse_vbnv(ptr, info);
break;
#endif
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_MRC_CACHE:
cb_parse_mrc_cache(ptr, info);
break;
}

42
payloads/libpayload/include/coreboot_tables.h
View File

@ -165,6 +165,48 @@ struct cb_framebuffer {
u8 reserved_mask_size;
};
#define CB_TAG_GPIO 0x0013
#define GPIO_MAX_NAME_LENGTH 16
struct cb_gpio {
u32 port;
u32 polarity;
u32 value;
u8 name[GPIO_MAX_NAME_LENGTH];
};
struct cb_gpios {
u32 tag;
u32 size;
u32 count;
struct cb_gpio gpios[0];
};
#define CB_TAG_VDAT 0x0015
struct cb_vdat {
uint32_t tag;
uint32_t size; /* size of the entire entry */
void *vdat_addr;
uint32_t vdat_size;
};
#define CB_TAG_TIMESTAMPS 0x0016
#define CB_TAG_CBMEM_CONSOLE 0x0017
#define CB_TAG_MRC_CACHE 0x0018
struct cb_cbmem_tab {
uint32_t tag;
uint32_t size;
void *cbmem_tab;
};
#define CB_TAG_VBNV 0x0019
struct cb_vbnv {
uint32_t tag;
uint32_t size;
uint32_t vbnv_start;
uint32_t vbnv_size;
};
#define CB_TAG_CMOS_OPTION_TABLE 0x00c8
struct cb_cmos_option_table {
u32 tag;

32
payloads/libpayload/include/sysinfo.h
View File

@ -32,6 +32,10 @@
/* Allow a maximum of 16 memory range definitions. */
#define SYSINFO_MAX_MEM_RANGES 16
/* Allow a maximum of 8 GPIOs */
#define SYSINFO_MAX_GPIOS 8
#include <coreboot_tables.h>
struct cb_serial;
@ -53,15 +57,43 @@ struct sysinfo_t {
u32 cmos_range_start;
u32 cmos_range_end;
u32 cmos_checksum_location;
#if CONFIG_CHROMEOS
u32 vbnv_start;
u32 vbnv_size;
#endif
char *version;
char *extra_version;
char *build;
char *compile_time;
char *compile_by;
char *compile_host;
char *compile_domain;
char *compiler;
char *linker;
char *assembler;
char *cb_version;
struct cb_framebuffer *framebuffer;
#if CONFIG_CHROMEOS
int num_gpios;
struct cb_gpio gpios[SYSINFO_MAX_GPIOS];
#endif
unsigned long *mbtable; /** Pointer to the multiboot table */
struct cb_header *header;
struct cb_mainboard *mainboard;
#if CONFIG_CHROMEOS
void *vdat_addr;
u32 vdat_size;
#endif
void *tstamp_table;
void *cbmem_cons;
void *mrc_cache;
};
extern struct sysinfo_t lib_sysinfo;