diff options
Diffstat (limited to 'board/freescale/ls1021aqds')
| -rw-r--r-- | board/freescale/ls1021aqds/ls1021aqds.c | 73 |
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) { |