[PATCH] Run new sequoia boards with an EBC speed of 83MHz

[platform/kernel/u-boot.git] / board / amcc / sequoia / sequoia.c

diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c
index 930fa71..8704014 100644 (file)
--- a/board/amcc/sequoia/sequoia.c
+++ b/board/amcc/sequoia/sequoia.c
@@ -132,6 +132,12 @@ int board_early_init_f(void)
                (0x80000000 >> (28 + CFG_NAND_CS));
        mtsdr(SDR0_CUST0, sdr0_cust0);
 
+       /* Update EBC speed after booting from i2c bootstrap settings
+        * on newer boards with 33.333 MHZ Clocks
+        */
+       if (in8(CFG_BCSR_BASE + 3) & 0x80)
+               mtcpr(0xe0, 0x02000000);
+
        return 0;
 }
 
@@ -363,8 +369,8 @@ int checkboard(void)
        printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
 #endif
 
-       rev = *(u8 *)(CFG_BCSR_BASE + 0);
-       val = *(u8 *)(CFG_BCSR_BASE + 5) & 0x01;
+       rev = in8(CFG_BCSR_BASE + 0);
+       val = in8(CFG_BCSR_BASE + 5) & 0x01;
        printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
 
        if (s != NULL) {