From 6315349202ead02aec4774f6ede5d2ae490eae63 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sun, 3 Apr 2005 20:55:38 +0000
Subject: Patch by David Adair, 27 Oct 2004: Add missing 440GX SDRAM Controller
 reset

---
 cpu/ppc4xx/spd_sdram.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'cpu')

diff --git a/cpu/ppc4xx/spd_sdram.c b/cpu/ppc4xx/spd_sdram.c
index 418b9da3b34..44e826fbe9b 100644
--- a/cpu/ppc4xx/spd_sdram.c
+++ b/cpu/ppc4xx/spd_sdram.c
@@ -772,6 +772,14 @@ long int spd_sdram(void) {
      */
     check_volt_type(dimm_populated, iic0_dimm_addr, num_dimm_banks);
 
+#if defined(CONFIG_440_GX)
+    /*
+     * Soft-reset SDRAM controller.
+     */
+    mtsdr(sdr_srst, SDR0_SRST_DMC);
+    mtsdr(sdr_srst, 0x00000000);
+#endif
+
     /*
      * program 440GP SDRAM controller options (SDRAM0_CFG0)
      */
-- 
cgit v1.3.1