amd/stoneyridge: Remove unused S3 NVRAM save/restore

Remove the BiosRam read and write functions that were brought over from
the hudson source.  The functionality will be superseded later with new
general-purpose functions.

Change-Id: Ib80c66b838fdbdd388a392b4fedaac36bf0bbb0c
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/22725
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h
index 9f91b50..675e071 100644
--- a/src/soc/amd/stoneyridge/include/soc/southbridge.h
+++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h
@@ -343,8 +343,6 @@
 uint16_t xhci_pm_read16(uint8_t reg);
 void xhci_pm_write32(uint8_t reg, uint32_t value);
 uint32_t xhci_pm_read32(uint8_t reg);
-int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos);
-int s3_save_nvram_early(u32 dword, int size, int  nvram_pos);
 void bootblock_fch_early_init(void);
 /**
  * @brief Find the size of a particular wide IO
diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c
index 2dd0251..863a4ef 100644
--- a/src/soc/amd/stoneyridge/southbridge.c
+++ b/src/soc/amd/stoneyridge/southbridge.c
@@ -451,37 +451,6 @@
 	sb_lpc_decode();
 }
 
-int s3_save_nvram_early(u32 dword, int size, int  nvram_pos)
-{
-	int i;
-	printk(BIOS_DEBUG, "Writing %x of size %d to nvram pos: %d\n",
-					dword, size, nvram_pos);
-
-	for (i = 0; i < size; i++) {
-		outb(nvram_pos, BIOSRAM_INDEX);
-		outb((dword >> (8 * i)) & 0xff, BIOSRAM_DATA);
-		nvram_pos++;
-	}
-
-	return nvram_pos;
-}
-
-int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos)
-{
-	u32 data = *old_dword;
-	int i;
-	for (i = 0; i < size; i++) {
-		outb(nvram_pos, BIOSRAM_INDEX);
-		data &= ~(0xff << (i * 8));
-		data |= inb(BIOSRAM_DATA) << (i * 8);
-		nvram_pos++;
-	}
-	*old_dword = data;
-	printk(BIOS_DEBUG, "Loading %x of size %d to nvram pos:%d\n",
-					*old_dword, size, nvram_pos-size);
-	return nvram_pos;
-}
-
 void sb_enable(device_t dev)
 {
 	printk(BIOS_DEBUG, "%s\n", __func__);