summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--board/freescale/ls1021aqds/ls1021aqds.c73
1 files changed, 70 insertions, 3 deletions
diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c
index 691e828..6c66bd4 100644
--- a/board/freescale/ls1021aqds/ls1021aqds.c
+++ b/board/freescale/ls1021aqds/ls1021aqds.c
@@ -11,6 +11,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/pcie_layerscape.h>
+#include <hwconfig.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <fsl_ifc.h>
@@ -23,9 +24,22 @@
#include "../../../drivers/qe/qe.h"
#endif
+#define PIN_MUX_SEL_CAN 0x03
+#define PIN_MUX_SEL_IIC2 0xa0
+#define PIN_MUX_SEL_RGMII 0x00
+#define PIN_MUX_SEL_SAI 0x0c
+#define PIN_MUX_SEL_SDHC 0x00
+
+#define SET_SDHC_MUX_SEL(reg, value) ((reg & 0x0f) | value)
+#define SET_EC_MUX_SEL(reg, value) ((reg & 0xf0) | value)
DECLARE_GLOBAL_DATA_PTR;
enum {
+ MUX_TYPE_CAN,
+ MUX_TYPE_IIC2,
+ MUX_TYPE_RGMII,
+ MUX_TYPE_SAI,
+ MUX_TYPE_SDHC,
MUX_TYPE_SD_PCI4,
MUX_TYPE_SD_PC_SA_SG_SG,
MUX_TYPE_SD_PC_SA_PC_SG,
@@ -230,11 +244,27 @@ void board_init_f(ulong dummy)
int config_board_mux(int ctrl_type)
{
- u8 reg12;
+ u8 reg12, reg14;
reg12 = QIXIS_READ(brdcfg[12]);
+ reg14 = QIXIS_READ(brdcfg[14]);
switch (ctrl_type) {
+ case MUX_TYPE_CAN:
+ reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_CAN);
+ break;
+ case MUX_TYPE_IIC2:
+ reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_IIC2);
+ break;
+ case MUX_TYPE_RGMII:
+ reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_RGMII);
+ break;
+ case MUX_TYPE_SAI:
+ reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_SAI);
+ break;
+ case MUX_TYPE_SDHC:
+ reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_SDHC);
+ break;
case MUX_TYPE_SD_PCI4:
reg12 = 0x38;
break;
@@ -253,6 +283,7 @@ int config_board_mux(int ctrl_type)
}
QIXIS_WRITE(brdcfg[12], reg12);
+ QIXIS_WRITE(brdcfg[14], reg14);
return 0;
}
@@ -286,14 +317,50 @@ int config_serdes_mux(void)
return 0;
}
-#if defined(CONFIG_MISC_INIT_R)
int misc_init_r(void)
{
+ int conflict_flag;
+
+ /* some signals can not enable simultaneous*/
+ conflict_flag = 0;
+ if (hwconfig("sdhc"))
+ conflict_flag++;
+ if (hwconfig("iic2"))
+ conflict_flag++;
+ if (conflict_flag > 1) {
+ printf("WARNING: pin conflict !\n");
+ return 0;
+ }
+
+ conflict_flag = 0;
+ if (hwconfig("rgmii"))
+ conflict_flag++;
+ if (hwconfig("can"))
+ conflict_flag++;
+ if (hwconfig("sai"))
+ conflict_flag++;
+ if (conflict_flag > 1) {
+ printf("WARNING: pin conflict !\n");
+ return 0;
+ }
+
+ if (hwconfig("can"))
+ config_board_mux(MUX_TYPE_CAN);
+ else if (hwconfig("rgmii"))
+ config_board_mux(MUX_TYPE_RGMII);
+ else if (hwconfig("sai"))
+ config_board_mux(MUX_TYPE_SAI);
+
+ if (hwconfig("iic2"))
+ config_board_mux(MUX_TYPE_IIC2);
+ else if (hwconfig("sdhc"))
+ config_board_mux(MUX_TYPE_SDHC);
+
#ifdef CONFIG_FSL_CAAM
return sec_init();
#endif
+ return 0;
}
-#endif
int board_init(void)
{