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-rw-r--r--src/southbridge/amd/cimx/sb700/Makefile.inc2
-rw-r--r--src/southbridge/amd/cimx/sb700/lpc.c17
-rw-r--r--src/southbridge/amd/cimx/sb700/ramtop.c43
-rw-r--r--src/southbridge/amd/cimx/sb800/Makefile.inc4
-rw-r--r--src/southbridge/amd/cimx/sb800/ramtop.c12
-rw-r--r--src/southbridge/amd/cimx/sb900/Makefile.inc2
-rw-r--r--src/southbridge/amd/cimx/sb900/ramtop.c43
7 files changed, 94 insertions, 29 deletions
diff --git a/src/southbridge/amd/cimx/sb700/Makefile.inc b/src/southbridge/amd/cimx/sb700/Makefile.inc
index ab668e2024..0b9ee9ce33 100644
--- a/src/southbridge/amd/cimx/sb700/Makefile.inc
+++ b/src/southbridge/amd/cimx/sb700/Makefile.inc
@@ -19,9 +19,11 @@
romstage-y += early.c
romstage-y += smbus.c smbus_spd.c
romstage-y += reset.c
+romstage-y += ramtop.c
ramstage-y += late.c
ramstage-y += reset.c
+ramstage-y += ramtop.c
ramstage-y += smbus.c
ramstage-y += lpc.c
diff --git a/src/southbridge/amd/cimx/sb700/lpc.c b/src/southbridge/amd/cimx/sb700/lpc.c
index 1639f087a1..5a8faa85b6 100644
--- a/src/southbridge/amd/cimx/sb700/lpc.c
+++ b/src/southbridge/amd/cimx/sb700/lpc.c
@@ -20,23 +20,6 @@
#include <console/console.h> /* printk */
#include <cbmem.h>
-#if IS_ENABLED(CONFIG_LATE_CBMEM_INIT)
-
-#define BIOSRAM_INDEX 0xcd4
-#define BIOSRAM_DATA 0xcd5
-
-void backup_top_of_ram(uint64_t ramtop)
-{
- u32 dword = (u32) ramtop;
- int nvram_pos = 0xfc, i;
- for (i = 0; i < 4; i++) {
- outb(nvram_pos, BIOSRAM_INDEX);
- outb((dword >>(8 * i)) & 0xff , BIOSRAM_DATA);
- nvram_pos++;
- }
-}
-#endif
-
void lpc_read_resources(device_t dev)
{
struct resource *res;
diff --git a/src/southbridge/amd/cimx/sb700/ramtop.c b/src/southbridge/amd/cimx/sb700/ramtop.c
new file mode 100644
index 0000000000..f59a9a346b
--- /dev/null
+++ b/src/southbridge/amd/cimx/sb700/ramtop.c
@@ -0,0 +1,43 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <arch/io.h>
+#include <cbmem.h>
+#include <southbridge/amd/cimx/cimx_util.h>
+
+void backup_top_of_ram(uint64_t ramtop)
+{
+ u32 dword = ramtop;
+ int nvram_pos = 0xfc, i;
+ for (i = 0; i < 4; i++) {
+ outb(nvram_pos, BIOSRAM_INDEX);
+ outb((dword >> (8 * i)) & 0xff, BIOSRAM_DATA);
+ nvram_pos++;
+ }
+}
+
+unsigned long get_top_of_ram(void)
+{
+ u32 xdata = 0;
+ int xnvram_pos = 0xfc, xi;
+ for (xi = 0; xi < 4; xi++) {
+ outb(xnvram_pos, BIOSRAM_INDEX);
+ xdata &= ~(0xff << (xi * 8));
+ xdata |= inb(BIOSRAM_DATA) << (xi *8);
+ xnvram_pos++;
+ }
+ return (unsigned long) xdata;
+}
diff --git a/src/southbridge/amd/cimx/sb800/Makefile.inc b/src/southbridge/amd/cimx/sb800/Makefile.inc
index 7c31278f2a..0511fb3074 100644
--- a/src/southbridge/amd/cimx/sb800/Makefile.inc
+++ b/src/southbridge/amd/cimx/sb800/Makefile.inc
@@ -30,8 +30,8 @@ ramstage-$(CONFIG_SB800_IMC_FAN_CONTROL) += fan.c
ramstage-$(CONFIG_SPI_FLASH) += spi.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fadt.c
-romstage-$(CONFIG_HAVE_ACPI_RESUME) += ramtop.c
-ramstage-$(CONFIG_HAVE_ACPI_RESUME) += ramtop.c
+romstage-y += ramtop.c
+ramstage-y += ramtop.c
romstage-$(CONFIG_USBDEBUG_IN_ROMSTAGE) += ../../sb800/enable_usbdebug.c
ramstage-$(CONFIG_USBDEBUG) += ../../sb800/enable_usbdebug.c
diff --git a/src/southbridge/amd/cimx/sb800/ramtop.c b/src/southbridge/amd/cimx/sb800/ramtop.c
index 44a49600ac..4d5b9a8a62 100644
--- a/src/southbridge/amd/cimx/sb800/ramtop.c
+++ b/src/southbridge/amd/cimx/sb800/ramtop.c
@@ -26,27 +26,21 @@ int acpi_get_sleep_type(void)
return (int)tmp;
}
-#if IS_ENABLED(CONFIG_LATE_CBMEM_INIT)
-
-#ifndef __PRE_RAM__
void backup_top_of_ram(uint64_t ramtop)
{
- u32 dword = (u32) ramtop;
+ u32 dword = ramtop;
int nvram_pos = 0xf8, i; /* temp */
for (i = 0; i < 4; i++) {
outb(nvram_pos, BIOSRAM_INDEX);
- outb((dword >>(8 * i)) & 0xff , BIOSRAM_DATA);
+ outb((dword >> (8 * i)) & 0xff, BIOSRAM_DATA);
nvram_pos++;
}
}
-#endif
unsigned long get_top_of_ram(void)
{
u32 xdata = 0;
int xnvram_pos = 0xf8, xi;
- if (acpi_get_sleep_type() != 3)
- return 0;
for (xi = 0; xi < 4; xi++) {
outb(xnvram_pos, BIOSRAM_INDEX);
xdata &= ~(0xff << (xi * 8));
@@ -55,5 +49,3 @@ unsigned long get_top_of_ram(void)
}
return (unsigned long) xdata;
}
-
-#endif
diff --git a/src/southbridge/amd/cimx/sb900/Makefile.inc b/src/southbridge/amd/cimx/sb900/Makefile.inc
index 05ebaead18..b09180cfa7 100644
--- a/src/southbridge/amd/cimx/sb900/Makefile.inc
+++ b/src/southbridge/amd/cimx/sb900/Makefile.inc
@@ -20,11 +20,13 @@ romstage-y += cfg.c
romstage-y += early.c
romstage-y += smbus.c smbus_spd.c
romstage-y += reset.c
+romstage-y += ramtop.c
ramstage-y += cfg.c
ramstage-y += early.c
ramstage-y += late.c
ramstage-y += reset.c
+ramstage-y += ramtop.c
ramstage-y += smbus.c
ramstage-y += lpc.c
diff --git a/src/southbridge/amd/cimx/sb900/ramtop.c b/src/southbridge/amd/cimx/sb900/ramtop.c
new file mode 100644
index 0000000000..34e8364379
--- /dev/null
+++ b/src/southbridge/amd/cimx/sb900/ramtop.c
@@ -0,0 +1,43 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <arch/io.h>
+#include <cbmem.h>
+#include <southbridge/amd/cimx/cimx_util.h>
+
+void backup_top_of_ram(uint64_t ramtop)
+{
+ u32 dword = ramtop;
+ int nvram_pos = 0xf8, i; /* temp */
+ for (i = 0; i < 4; i++) {
+ outb(nvram_pos, BIOSRAM_INDEX);
+ outb((dword >> (8 * i)) & 0xff, BIOSRAM_DATA);
+ nvram_pos++;
+ }
+}
+
+unsigned long get_top_of_ram(void)
+{
+ u32 xdata = 0;
+ int xnvram_pos = 0xf8, xi;
+ for (xi = 0; xi < 4; xi++) {
+ outb(xnvram_pos, BIOSRAM_INDEX);
+ xdata &= ~(0xff << (xi * 8));
+ xdata |= inb(BIOSRAM_DATA) << (xi *8);
+ xnvram_pos++;
+ }
+ return (unsigned long) xdata;
+}