diff options
Diffstat (limited to 'board/freescale/mpc837xerdb')
| -rw-r--r-- | board/freescale/mpc837xerdb/mpc837xerdb.c | 37 |
1 files changed, 37 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 * |