diff options
| -rw-r--r-- | board/freescale/mpc8536ds/mpc8536ds.c | 12 | ||||
| -rw-r--r-- | lib_ppc/board.c | 16 |
2 files changed, 26 insertions, 2 deletions
diff --git a/board/freescale/mpc8536ds/mpc8536ds.c b/board/freescale/mpc8536ds/mpc8536ds.c index 8216c70..3cf12fd 100644 --- a/board/freescale/mpc8536ds/mpc8536ds.c +++ b/board/freescale/mpc8536ds/mpc8536ds.c @@ -608,6 +608,18 @@ get_board_ddr_clk(ulong dummy) } #endif +int is_sata_supported() +{ + volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); + uint devdisr = gur->devdisr; + uint sdrs2_io_sel = + (gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27; + if (sdrs2_io_sel & 0x04) + return 0; + + return 1; +} + #if defined(CONFIG_OF_BOARD_SETUP) void ft_board_setup(void *blob, bd_t *bd) diff --git a/lib_ppc/board.c b/lib_ppc/board.c index c02ac62..564faf2 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -635,6 +635,16 @@ void board_init_f (ulong bootflag) /* NOTREACHED - relocate_code() does not return */ } +int __is_sata_supported() +{ + /* For some boards, when sata disabled by the switch, and the + * driver still access the sata registers, the cpu will hangup. + * please define platform specific is_sata_supported() if your + * board have such issue.*/ + return 1; +} +int is_sata_supported() __attribute__((weak, alias("__is_sata_supported"))); + /************************************************************************ * * This is the next part if the initialization sequence: we are now @@ -1105,8 +1115,10 @@ void board_init_r (gd_t *id, ulong dest_addr) #endif #if defined(CONFIG_CMD_SATA) - puts ("SATA: "); - sata_initialize (); + if (is_sata_supported()) { + puts("SATA: "); + sata_initialize(); + } #endif #ifdef CONFIG_LAST_STAGE_INIT |