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-rw-r--r--board/freescale/mpc837xerdb/mpc837xerdb.c37
-rw-r--r--include/configs/MPC837XERDB.h6
2 files changed, 43 insertions, 0 deletions
diff --git a/board/freescale/mpc837xerdb/mpc837xerdb.c b/board/freescale/mpc837xerdb/mpc837xerdb.c
index a3b20b8..d091538 100644
--- a/board/freescale/mpc837xerdb/mpc837xerdb.c
+++ b/board/freescale/mpc837xerdb/mpc837xerdb.c
@@ -15,6 +15,7 @@
#include <common.h>
#include <i2c.h>
#include <asm/io.h>
+#include <asm/fsl_serdes.h>
#include <spd_sdram.h>
#include <vsc7385.h>
@@ -132,6 +133,42 @@ int checkboard(void)
return 0;
}
+int board_early_init_f(void)
+{
+#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 >> 16) {
+ case SPR_8379E_REV10 >> 16:
+ case SPR_8379_REV10 >> 16:
+ 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;
+ case SPR_8378E_REV10 >> 16:
+ case SPR_8378_REV10 >> 16:
+ fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ break;
+ case SPR_8377E_REV10 >> 16:
+ case SPR_8377_REV10 >> 16:
+ 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;
+ default:
+ printf("serdes not configured: unknown CPU part number: "
+ "%04x\n", spridr >> 16);
+ break;
+ }
+#endif /* CONFIG_FSL_SERDES */
+ return 0;
+}
+
/*
* Miscellaneous late-boot configurations
*
diff --git a/include/configs/MPC837XERDB.h b/include/configs/MPC837XERDB.h
index e3cb3c7..c2e7701 100644
--- a/include/configs/MPC837XERDB.h
+++ b/include/configs/MPC837XERDB.h
@@ -32,6 +32,7 @@
#define CONFIG_PCI 1
+#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_MISC_INIT_R
/*
@@ -323,6 +324,11 @@
#define CFG_NS16550_COM1 (CFG_IMMR+0x4500)
#define CFG_NS16550_COM2 (CFG_IMMR+0x4600)
+/* SERDES */
+#define CONFIG_FSL_SERDES
+#define CONFIG_FSL_SERDES1 0xe3000
+#define CONFIG_FSL_SERDES2 0xe3100
+
/* Use the HUSH parser */
#define CFG_HUSH_PARSER
#ifdef CFG_HUSH_PARSER