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-rw-r--r--board/freescale/ls2085aqds/ls2085aqds.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/board/freescale/ls2085aqds/ls2085aqds.c b/board/freescale/ls2085aqds/ls2085aqds.c
index c492c7e..08906a6 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