This patch is stolen from Anton Vorontsov's patch
for mpc837xerdb boards.
The reference clk and xcorevdd voltage of serdes1/2
is same between mpc837xemds and mpc837xerdb.
8377E: LYNX1- 2 SATA LYNX2- 2 PCIE
8378E: LYNX1- 2 SGMII LYNX2- 2 PCIE
8379E: LYNX1- 2 SATA LYNX2- 2 SATA
Signed-off-by: Dave Liu <[EMAIL PROTECTED]>
---
board/freescale/mpc837xemds/mpc837xemds.c | 33 +++++++++++++++++++++++++++++
include/configs/MPC837XEMDS.h | 5 ++++
2 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/board/freescale/mpc837xemds/mpc837xemds.c
b/board/freescale/mpc837xemds/mpc837xemds.c
index e57a53f..6fbd0e0 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 +31,37 @@ 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 >> 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;
}
diff --git a/include/configs/MPC837XEMDS.h b/include/configs/MPC837XEMDS.h
index b307bf7..4006026 100644
--- a/include/configs/MPC837XEMDS.h
+++ b/include/configs/MPC837XEMDS.h
@@ -389,6 +389,11 @@
/* Options are: TSEC[0-1] */
#define CONFIG_ETHPRIME "eTSEC1"
+/* SERDES */
+#define CONFIG_FSL_SERDES
+#define CONFIG_FSL_SERDES1 0xe3000
+#define CONFIG_FSL_SERDES2 0xe3100
+
/*
* Environment
*/
--
1.5.4.rc4
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