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-rw-r--r--board/freescale/mpc837xemds/mpc837xemds.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/board/freescale/mpc837xemds/mpc837xemds.c b/board/freescale/mpc837xemds/mpc837xemds.c
index e57a53f..f7cd5fe 100644
--- a/board/freescale/mpc837xemds/mpc837xemds.c
+++ b/board/freescale/mpc837xemds/mpc837xemds.c
@@ -12,6 +12,8 @@
#include <common.h>
#include <i2c.h>
+#include <asm/io.h>
+#include <asm/fsl_serdes.h>
#include <spd_sdram.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
@@ -29,6 +31,34 @@ int board_early_init_f(void)
/* Clear all of the interrupt of BCSR */
bcsr[0xe] = 0xff;
+#ifdef CONFIG_FSL_SERDES
+ immap_t *immr = (immap_t *)CFG_IMMR;
+ u32 spridr = in_be32(&immr->sysconf.spridr);
+
+ /* we check only part num, and don't look for CPU revisions */
+ switch (spridr) {
+ case SPR_8377:
+ fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ break;
+ case SPR_8378:
+ fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ break;
+ case SPR_8379:
+ fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_SATA,
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ break;
+ default:
+ printf("serdes not configured: unknown CPU part number: "
+ "%04x\n", spridr >> 16);
+ break;
+ }
+#endif /* CONFIG_FSL_SERDES */
return 0;
}