diff options
Diffstat (limited to 'board/freescale/ls2085aqds/ls2085aqds.c')
| -rw-r--r-- | board/freescale/ls2085aqds/ls2085aqds.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/board/freescale/ls2085aqds/ls2085aqds.c b/board/freescale/ls2085aqds/ls2085aqds.c index c492c7e7d7..08906a6255 100644 --- a/board/freescale/ls2085aqds/ls2085aqds.c +++ b/board/freescale/ls2085aqds/ls2085aqds.c @@ -17,12 +17,23 @@ #include <environment.h> #include <i2c.h> #include <asm/arch-fsl-lsch3/soc.h> +#include <hwconfig.h> #include "../common/qixis.h" #include "ls2085aqds_qixis.h" +#define PIN_MUX_SEL_SDHC 0x00 +#define PIN_MUX_SEL_DSPI 0x0a + +#define SET_SDHC_MUX_SEL(reg, value) ((reg & 0xf0) | value) + DECLARE_GLOBAL_DATA_PTR; +enum { + MUX_TYPE_SDHC, + MUX_TYPE_DSPI, +}; + unsigned long long get_qixis_addr(void) { unsigned long long addr; @@ -153,10 +164,47 @@ int select_i2c_ch_pca9547(u8 ch) return 0; } +int config_board_mux(int ctrl_type) +{ + u8 reg5; + + reg5 = QIXIS_READ(brdcfg[5]); + + switch (ctrl_type) { + case MUX_TYPE_SDHC: + reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_SDHC); + break; + case MUX_TYPE_DSPI: + reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_DSPI); + break; + default: + printf("Wrong mux interface type\n"); + return -1; + } + + QIXIS_WRITE(brdcfg[5], reg5); + + return 0; +} + int board_init(void) { + char *env_hwconfig; + u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE; + u32 val; + init_final_memctl_regs(); + val = in_le32(dcfg_ccsr + DCFG_RCWSR13 / 4); + + env_hwconfig = getenv("hwconfig"); + + if (hwconfig_f("dspi", env_hwconfig) && + DCFG_RCWSR13_DSPI == (val & (u32)(0xf << 8))) + config_board_mux(MUX_TYPE_DSPI); + else + config_board_mux(MUX_TYPE_SDHC); + #ifdef CONFIG_ENV_IS_NOWHERE gd->env_addr = (ulong)&default_environment[0]; #endif |