[PATCH] Clear PLB4A0_ACR[WRP] on Sequoia (440EPx)

[people/ms/u-boot.git] / board / amcc / sequoia / sequoia.c

diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c
index ff211aef2d703120f6e80d16433859c2e4d323e1..703204f05057c7e66e0403f07bd44f680f509386 100644 (file)
--- a/board/amcc/sequoia/sequoia.c
+++ b/board/amcc/sequoia/sequoia.c
@@ -35,9 +35,9 @@ ulong flash_get_size (ulong base, int banknum);
 
 int board_early_init_f(void)
 {
-       unsigned long sdr0_cust0;
-       unsigned long sdr0_pfc1, sdr0_pfc2;
-       register uint reg;
+       u32 sdr0_cust0;
+       u32 sdr0_pfc1, sdr0_pfc2;
+       u32 reg;
 
        mtdcr(ebccfga, xbcfg);
        mtdcr(ebccfgd, 0xb8400000);
@@ -142,6 +142,7 @@ int misc_init_r(void)
 {
        uint pbcr;
        int size_val = 0;
+       u32 reg;
 #ifdef CONFIG_440EPX
        unsigned long usb2d0cr = 0;
        unsigned long usb2phy0cr, usb2h0cr = 0;
@@ -335,6 +336,14 @@ int misc_init_r(void)
        }
 #endif /* CONFIG_440EPX */
 
+       /*
+        * Clear PLB4A0_ACR[WRP]
+        * This fix will make the MAL burst disabling patch for the Linux
+        * EMAC driver obsolete.
+        */
+       reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
+       mtdcr(plb4_acr, reg);
+
        return 0;
 }