From 36f8d27ea9f741e184b76b5f42d7f777f207edc0 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Sun, 31 May 2015 12:31:59 +0200
Subject: Make DSDT a file in CBFS rather than embedding it into ramstage.

Makes it cleaner by putting AML into separate file rather than having
an array in C code.

Change-Id: Ia5d6b50ad9dabdb97ed05c837dc3ccc48b8f490f
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/10385
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
---
 src/mainboard/amd/serengeti_cheetah/Makefile.inc  |  3 +++
 src/mainboard/amd/serengeti_cheetah/acpi_tables.c | 19 ++++++++++++-------
 2 files changed, 15 insertions(+), 7 deletions(-)
 create mode 100644 src/mainboard/amd/serengeti_cheetah/Makefile.inc

(limited to 'src/mainboard/amd/serengeti_cheetah')

diff --git a/src/mainboard/amd/serengeti_cheetah/Makefile.inc b/src/mainboard/amd/serengeti_cheetah/Makefile.inc
new file mode 100644
index 0000000000..876b3edbf4
--- /dev/null
+++ b/src/mainboard/amd/serengeti_cheetah/Makefile.inc
@@ -0,0 +1,3 @@
+$(eval $(call asl_template,ssdt2))
+$(eval $(call asl_template,ssdt3))
+$(eval $(call asl_template,ssdt4))
diff --git a/src/mainboard/amd/serengeti_cheetah/acpi_tables.c b/src/mainboard/amd/serengeti_cheetah/acpi_tables.c
index 168793eb82..14ef93830a 100644
--- a/src/mainboard/amd/serengeti_cheetah/acpi_tables.c
+++ b/src/mainboard/amd/serengeti_cheetah/acpi_tables.c
@@ -17,14 +17,11 @@
 #include <cpu/x86/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <cpu/amd/amdk8_sysconf.h>
+#include <cbfs.h>
 #include "northbridge/amd/amdk8/acpi.h"
 #include "mb_sysconf.h"
 #include "mainboard.h"
 
-extern const unsigned char AmlCode_ssdt2[];
-extern const unsigned char AmlCode_ssdt3[];
-extern const unsigned char AmlCode_ssdt4[];
-
 unsigned long acpi_fill_madt(unsigned long current)
 {
 	u32 gsi_base=0x18;
@@ -127,6 +124,7 @@ unsigned long mainboard_write_acpi_tables(unsigned long start, acpi_rsdp_t *rsdp
 	unsigned long current;
 	acpi_header_t *ssdtx;
 	const void *p;
+	size_t p_size;
 
 	int i;
 
@@ -139,6 +137,7 @@ unsigned long mainboard_write_acpi_tables(unsigned long start, acpi_rsdp_t *rsdp
 	//same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table
 
 	for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
+		const char *file_name;
 		if((sysconf.pci1234[i] & 1) != 1 ) continue;
 		u8 c;
 		if(i<7) {
@@ -152,17 +151,23 @@ unsigned long mainboard_write_acpi_tables(unsigned long start, acpi_rsdp_t *rsdp
 		ssdtx = (acpi_header_t *)current;
 		switch(sysconf.hcid[i]) {
 		case 1: //8132
-			p = &AmlCode_ssdt2;
+			file_name = CONFIG_CBFS_PREFIX "/ssdt2.aml";
 			break;
 		case 2: //8151
-			p = &AmlCode_ssdt3;
+			file_name = CONFIG_CBFS_PREFIX "/ssdt3.aml";
 			break;
 		case 3: //8131
-			p = &AmlCode_ssdt4;
+			file_name = CONFIG_CBFS_PREFIX "/ssdt4.aml";
 			break;
 		default:
 			continue;
 		}
+		p = cbfs_get_file_content(CBFS_DEFAULT_MEDIA,
+					  file_name,
+					  CBFS_TYPE_RAW, &p_size);
+		if (!p || p_size < sizeof(acpi_header_t))
+			continue;
+
 		memcpy(ssdtx, p, sizeof(acpi_header_t));
 		current += ssdtx->length;
 		memcpy(ssdtx, p, ssdtx->length);
-- 
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