Change in coreboot[master]: WIP libpayload: Parse DDR Information through coreboot tables WIP

[Ravi kumar (Code Review)]

Ravi kumar has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59193 )

Change subject: WIP libpayload: Parse DDR Information through coreboot tables WIP
......................................................................

WIP libpayload: Parse DDR Information through coreboot tables WIP

Signed-off-by: Ravi Kumar Bokka 
Change-Id: Ieca7e9fc0e1a018fcb2e9315aebee088edac858e
---
M payloads/libpayload/include/coreboot_tables.h
M payloads/libpayload/include/sysinfo.h
M payloads/libpayload/libc/coreboot.c
3 files changed, 10 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/93/59193/1

diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h
index 914cfa5..2e3a416 100644
--- a/payloads/libpayload/include/coreboot_tables.h
+++ b/payloads/libpayload/include/coreboot_tables.h
@@ -88,6 +88,7 @@
    CB_TAG_OPTION_ENUM		= 0x00ca,
    CB_TAG_OPTION_DEFAULTS		= 0x00cb,
    CB_TAG_OPTION_CHECKSUM		= 0x00cc,
+	CB_TAG_MEM_CHIP_INFO            = 0x00ce, /* memchip info */
 };

struct cbuint64 {
diff --git a/payloads/libpayload/include/sysinfo.h b/payloads/libpayload/include/sysinfo.h
index b34476d..6197fc4 100644
--- a/payloads/libpayload/include/sysinfo.h
+++ b/payloads/libpayload/include/sysinfo.h
@@ -83,6 +83,7 @@
    uintptr_t compiler;
    uintptr_t linker;
    uintptr_t assembler;
+	uintptr_t mem_chip_base;

uintptr_t cb_version;

diff --git a/payloads/libpayload/libc/coreboot.c b/payloads/libpayload/libc/coreboot.c
index bd10411..3221416 100644
--- a/payloads/libpayload/libc/coreboot.c
+++ b/payloads/libpayload/libc/coreboot.c
@@ -128,6 +128,11 @@
    	info->macs[i] = macs->mac_addrs[i];
 }

+static void cb_parse_mem_chip_info(void *ptr, struct sysinfo_t *info)
+{
+	info->mem_chip_base = get_cbmem_addr(ptr);
+}
+
 static void cb_parse_tstamp(unsigned char *ptr, struct sysinfo_t *info)
 {
    info->tstamp_table = get_cbmem_addr(ptr);
@@ -348,6 +353,9 @@
    	case CB_TAG_ASSEMBLER:
    		cb_parse_string(ptr, &info->assembler);
    		break;
+		case CB_TAG_MEM_CHIP_INFO:
+                        cb_parse_mem_chip_info(ptr, info);
+                        break;
 #if CONFIG(LP_NVRAM)
    	case CB_TAG_CMOS_OPTION_TABLE:
    		cb_parse_optiontable(ptr, info);