// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2010-2011 Freescale Semiconductor, Inc. * Copyright 2020 NXP */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; #define GPIO4_PCIE_RESET_SET 0x08000000 #define MUX_CPLD_CAN_UART 0x00 #define MUX_CPLD_TDM 0x01 #define MUX_CPLD_SPICS0_FLASH 0x00 #define MUX_CPLD_SPICS0_SLIC 0x02 #define PMUXCR1_IFC_MASK 0x00ffff00 #define PMUXCR1_SDHC_MASK 0x00fff000 #define PMUXCR1_SDHC_ENABLE 0x00555000 enum { MUX_TYPE_IFC, MUX_TYPE_SDHC, MUX_TYPE_SPIFLASH, MUX_TYPE_TDM, MUX_TYPE_CAN, MUX_TYPE_CS0_NOR, MUX_TYPE_CS0_NAND, }; enum { I2C_READ_BANK, I2C_READ_PCB_VER, }; static uint sd_ifc_mux; struct cpld_data { u8 cpld_ver; /* cpld revision */ #if defined(CONFIG_TARGET_P1010RDB_PA) u8 pcba_ver; /* pcb revision number */ u8 twindie_ddr3; u8 res1[6]; u8 bank_sel; /* NOR Flash bank */ u8 res2[5]; u8 usb2_sel; u8 res3[1]; u8 porsw_sel; u8 tdm_can_sel; u8 spi_cs0_sel; /* SPI CS0 SLIC/SPI Flash */ u8 por0; /* POR Options */ u8 por1; /* POR Options */ u8 por2; /* POR Options */ u8 por3; /* POR Options */ #elif defined(CONFIG_TARGET_P1010RDB_PB) u8 rom_loc; #endif }; int board_early_init_f(void) { ccsr_gpio_t *pgpio = (void *)(CFG_SYS_MPC85xx_GPIO_ADDR); struct fsl_ifc ifc = {(void *)CFG_SYS_IFC_ADDR, (void *)NULL}; /* Clock configuration to access CPLD using IFC(GPCM) */ setbits_be32(&ifc.gregs->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT); /* * Reset PCIe slots via GPIO4 */ setbits_be32(&pgpio->gpdir, GPIO4_PCIE_RESET_SET); setbits_be32(&pgpio->gpdat, GPIO4_PCIE_RESET_SET); return 0; } int board_early_init_r(void) { const unsigned int flashbase = CFG_SYS_FLASH_BASE; int flash_esel = find_tlb_idx((void *)flashbase, 1); /* * Remap Boot flash region to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); if (flash_esel == -1) { /* very unlikely unless something is messed up */ puts("Error: Could not find TLB for FLASH BASE\n"); flash_esel = 2; /* give our best effort to continue */ } else { /* invalidate existing TLB entry for flash */ disable_tlb(flash_esel); } set_tlb(1, flashbase, CFG_SYS_FLASH_BASE_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel, BOOKE_PAGESZ_16M, 1); set_tlb(1, flashbase + 0x1000000, CFG_SYS_FLASH_BASE_PHYS + 0x1000000, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel+1, BOOKE_PAGESZ_16M, 1); return 0; } int config_board_mux(int ctrl_type) { ccsr_gur_t __iomem *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR); u8 tmp; #if CONFIG_IS_ENABLED(DM_I2C) struct udevice *dev; int ret; #if defined(CONFIG_TARGET_P1010RDB_PA) struct cpld_data *cpld_data = (void *)(CFG_SYS_CPLD_BASE); ret = i2c_get_chip_for_busnum(I2C_PCA9557_BUS_NUM, I2C_PCA9557_ADDR1, 1, &dev); if (ret) { printf("%s: Cannot find udev for a bus %d\n", __func__, I2C_PCA9557_BUS_NUM); return ret; } switch (ctrl_type) { case MUX_TYPE_IFC: tmp = 0xf0; dm_i2c_write(dev, 3, &tmp, 1); tmp = 0x01; dm_i2c_write(dev, 1, &tmp, 1); sd_ifc_mux = MUX_TYPE_IFC; clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK); break; case MUX_TYPE_SDHC: tmp = 0xf0; dm_i2c_write(dev, 3, &tmp, 1); tmp = 0x05; dm_i2c_write(dev, 1, &tmp, 1); sd_ifc_mux = MUX_TYPE_SDHC; clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK, PMUXCR1_SDHC_ENABLE); break; case MUX_TYPE_SPIFLASH: out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_FLASH); break; case MUX_TYPE_TDM: out_8(&cpld_data->tdm_can_sel, MUX_CPLD_TDM); out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_SLIC); break; case MUX_TYPE_CAN: out_8(&cpld_data->tdm_can_sel, MUX_CPLD_CAN_UART); break; default: break; } #elif defined(CONFIG_TARGET_P1010RDB_PB) ret = i2c_get_chip_for_busnum(I2C_PCA9557_BUS_NUM, I2C_PCA9557_ADDR2, 1, &dev); if (ret) { printf("%s: Cannot find udev for a bus %d\n", __func__, I2C_PCA9557_BUS_NUM); return ret; } switch (ctrl_type) { case MUX_TYPE_IFC: dm_i2c_read(dev, 0, &tmp, 1); clrbits_8(&tmp, 0x04); dm_i2c_write(dev, 1, &tmp, 1); dm_i2c_read(dev, 3, &tmp, 1); clrbits_8(&tmp, 0x04); dm_i2c_write(dev, 3, &tmp, 1); sd_ifc_mux = MUX_TYPE_IFC; clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK); break; case MUX_TYPE_SDHC: dm_i2c_read(dev, 0, &tmp, 1); setbits_8(&tmp, 0x04); dm_i2c_write(dev, 1, &tmp, 1); dm_i2c_read(dev, 3, &tmp, 1); clrbits_8(&tmp, 0x04); dm_i2c_write(dev, 3, &tmp, 1); sd_ifc_mux = MUX_TYPE_SDHC; clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK, PMUXCR1_SDHC_ENABLE); break; case MUX_TYPE_SPIFLASH: dm_i2c_read(dev, 0, &tmp, 1); clrbits_8(&tmp, 0x80); dm_i2c_write(dev, 1, &tmp, 1); dm_i2c_read(dev, 3, &tmp, 1); clrbits_8(&tmp, 0x80); dm_i2c_write(dev, 3, &tmp, 1); break; case MUX_TYPE_TDM: dm_i2c_read(dev, 0, &tmp, 1); setbits_8(&tmp, 0x82); dm_i2c_write(dev, 1, &tmp, 1); dm_i2c_read(dev, 3, &tmp, 1); clrbits_8(&tmp, 0x82); dm_i2c_write(dev, 3, &tmp, 1); break; case MUX_TYPE_CAN: dm_i2c_read(dev, 0, &tmp, 1); clrbits_8(&tmp, 0x02); dm_i2c_write(dev, 1, &tmp, 1); dm_i2c_read(dev, 3, &tmp, 1); clrbits_8(&tmp, 0x02); dm_i2c_write(dev, 3, &tmp, 1); break; case MUX_TYPE_CS0_NOR: dm_i2c_read(dev, 0, &tmp, 1); clrbits_8(&tmp, 0x08); dm_i2c_write(dev, 1, &tmp, 1); dm_i2c_read(dev, 3, &tmp, 1); clrbits_8(&tmp, 0x08); dm_i2c_write(dev, 3, &tmp, 1); break; case MUX_TYPE_CS0_NAND: dm_i2c_read(dev, 0, &tmp, 1); setbits_8(&tmp, 0x08); dm_i2c_write(dev, 1, &tmp, 1); dm_i2c_read(dev, 3, &tmp, 1); clrbits_8(&tmp, 0x08); dm_i2c_write(dev, 3, &tmp, 1); break; default: break; } #endif #else #if defined(CONFIG_TARGET_P1010RDB_PA) struct cpld_data *cpld_data = (void *)(CFG_SYS_CPLD_BASE); switch (ctrl_type) { case MUX_TYPE_IFC: i2c_set_bus_num(I2C_PCA9557_BUS_NUM); tmp = 0xf0; i2c_write(I2C_PCA9557_ADDR1, 3, 1, &tmp, 1); tmp = 0x01; i2c_write(I2C_PCA9557_ADDR1, 1, 1, &tmp, 1); sd_ifc_mux = MUX_TYPE_IFC; clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK); break; case MUX_TYPE_SDHC: i2c_set_bus_num(I2C_PCA9557_BUS_NUM); tmp = 0xf0; i2c_write(I2C_PCA9557_ADDR1, 3, 1, &tmp, 1); tmp = 0x05; i2c_write(I2C_PCA9557_ADDR1, 1, 1, &tmp, 1); sd_ifc_mux = MUX_TYPE_SDHC; clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK, PMUXCR1_SDHC_ENABLE); break; case MUX_TYPE_SPIFLASH: out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_FLASH); break; case MUX_TYPE_TDM: out_8(&cpld_data->tdm_can_sel, MUX_CPLD_TDM); out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_SLIC); break; case MUX_TYPE_CAN: out_8(&cpld_data->tdm_can_sel, MUX_CPLD_CAN_UART); break; default: break; } #elif defined(CONFIG_TARGET_P1010RDB_PB) uint orig_bus = i2c_get_bus_num(); i2c_set_bus_num(I2C_PCA9557_BUS_NUM); switch (ctrl_type) { case MUX_TYPE_IFC: i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); clrbits_8(&tmp, 0x04); i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); clrbits_8(&tmp, 0x04); i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); sd_ifc_mux = MUX_TYPE_IFC; clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK); break; case MUX_TYPE_SDHC: i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); setbits_8(&tmp, 0x04); i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); clrbits_8(&tmp, 0x04); i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); sd_ifc_mux = MUX_TYPE_SDHC; clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK, PMUXCR1_SDHC_ENABLE); break; case MUX_TYPE_SPIFLASH: i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); clrbits_8(&tmp, 0x80); i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); clrbits_8(&tmp, 0x80); i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); break; case MUX_TYPE_TDM: i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); setbits_8(&tmp, 0x82); i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); clrbits_8(&tmp, 0x82); i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); break; case MUX_TYPE_CAN: i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); clrbits_8(&tmp, 0x02); i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); clrbits_8(&tmp, 0x02); i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); break; case MUX_TYPE_CS0_NOR: i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); clrbits_8(&tmp, 0x08); i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); clrbits_8(&tmp, 0x08); i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); break; case MUX_TYPE_CS0_NAND: i2c_read(I2C_PCA9557_ADDR2, 0, 1, &tmp, 1); setbits_8(&tmp, 0x08); i2c_write(I2C_PCA9557_ADDR2, 1, 1, &tmp, 1); i2c_read(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); clrbits_8(&tmp, 0x08); i2c_write(I2C_PCA9557_ADDR2, 3, 1, &tmp, 1); break; default: break; } i2c_set_bus_num(orig_bus); #endif #endif return 0; } #ifdef CONFIG_TARGET_P1010RDB_PB int i2c_pca9557_read(int type) { u8 val; int bus_num = I2C_PCA9557_BUS_NUM; #if CONFIG_IS_ENABLED(DM_I2C) struct udevice *dev; int ret; ret = i2c_get_chip_for_busnum(bus_num, I2C_PCA9557_ADDR2, 1, &dev); if (ret) { printf("%s: Cannot find udev for a bus %d\n", __func__, bus_num); return ret; } dm_i2c_read(dev, 0, &val, 1); #else i2c_set_bus_num(bus_num); i2c_read(I2C_PCA9557_ADDR2, 0, 1, &val, 1); #endif switch (type) { case I2C_READ_BANK: val = (val & 0x10) >> 4; break; case I2C_READ_PCB_VER: val = ((val & 0x60) >> 5) + 1; break; default: break; } return val; } #endif int checkboard(void) { struct cpu_type *cpu; struct cpld_data *cpld_data = (void *)(CFG_SYS_CPLD_BASE); u8 val; cpu = gd->arch.cpu; #if defined(CONFIG_TARGET_P1010RDB_PA) printf("Board: %sRDB-PA, ", cpu->name); #elif defined(CONFIG_TARGET_P1010RDB_PB) printf("Board: %sRDB-PB, ", cpu->name); #if CONFIG_IS_ENABLED(DM_I2C) struct udevice *dev; int ret; ret = i2c_get_chip_for_busnum(I2C_PCA9557_BUS_NUM, I2C_PCA9557_ADDR2, 1, &dev); if (ret) { printf("%s: Cannot find udev for a bus %d\n", __func__, I2C_PCA9557_BUS_NUM); return ret; } val = 0x0; /* no polarity inversion */ dm_i2c_write(dev, 2, &val, 1); #else i2c_set_bus_num(I2C_PCA9557_BUS_NUM); i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); val = 0x0; /* no polarity inversion */ i2c_write(I2C_PCA9557_ADDR2, 2, 1, &val, 1); #endif #endif #ifdef CONFIG_SDCARD /* switch to IFC to read info from CPLD */ config_board_mux(MUX_TYPE_IFC); #endif #if defined(CONFIG_TARGET_P1010RDB_PA) val = (in_8(&cpld_data->pcba_ver) & 0xf); printf("PCB: v%x.0\n", val); #elif defined(CONFIG_TARGET_P1010RDB_PB) val = in_8(&cpld_data->cpld_ver); printf("CPLD: v%x.%x, ", val >> 4, val & 0xf); printf("PCB: v%x.0, ", i2c_pca9557_read(I2C_READ_PCB_VER)); val = in_8(&cpld_data->rom_loc) & 0xf; puts("Boot from: "); switch (val) { case 0xf: config_board_mux(MUX_TYPE_CS0_NOR); printf("NOR vBank%d\n", i2c_pca9557_read(I2C_READ_BANK)); break; case 0xe: puts("SDHC\n"); val = 0x60; /* set pca9557 pin input/output */ #if CONFIG_IS_ENABLED(DM_I2C) dm_i2c_write(dev, 3, &val, 1); #else i2c_write(I2C_PCA9557_ADDR2, 3, 1, &val, 1); #endif break; case 0x5: config_board_mux(MUX_TYPE_IFC); config_board_mux(MUX_TYPE_CS0_NAND); puts("NAND\n"); break; case 0x6: config_board_mux(MUX_TYPE_IFC); puts("SPI\n"); break; default: puts("unknown\n"); break; } #endif return 0; } #ifndef CONFIG_DM_ETH int board_eth_init(struct bd_info *bis) { #ifdef CONFIG_TSEC_ENET struct fsl_pq_mdio_info mdio_info; struct tsec_info_struct tsec_info[4]; struct cpu_type *cpu; int num = 0; cpu = gd->arch.cpu; #ifdef CONFIG_TSEC1 SET_STD_TSEC_INFO(tsec_info[num], 1); num++; #endif #ifdef CONFIG_TSEC2 SET_STD_TSEC_INFO(tsec_info[num], 2); num++; #endif #ifdef CONFIG_TSEC3 /* P1014 and it's derivatives do not support eTSEC3 */ if (cpu->soc_ver != SVR_P1014) { SET_STD_TSEC_INFO(tsec_info[num], 3); num++; } #endif if (!num) { printf("No TSECs initialized\n"); return 0; } mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; mdio_info.name = DEFAULT_MII_NAME; fsl_pq_mdio_init(bis, &mdio_info); tsec_eth_init(bis, tsec_info, num); #endif return pci_eth_init(bis); } #endif #if defined(CONFIG_OF_BOARD_SETUP) void fdt_del_flexcan(void *blob) { int nodeoff = 0; while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, "fsl,p1010-flexcan")) >= 0) { fdt_del_node(blob, nodeoff); } } void fdt_del_spi_flash(void *blob) { int nodeoff = 0; while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, "spansion,s25sl12801")) >= 0) { fdt_del_node(blob, nodeoff); } } void fdt_del_spi_slic(void *blob) { int nodeoff = 0; while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, "zarlink,le88266")) >= 0) { fdt_del_node(blob, nodeoff); } } void fdt_del_tdm(void *blob) { int nodeoff = 0; while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, "fsl,starlite-tdm")) >= 0) { fdt_del_node(blob, nodeoff); } } void fdt_del_sdhc(void *blob) { int nodeoff = 0; while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, "fsl,esdhc")) >= 0) { fdt_del_node(blob, nodeoff); } } void fdt_del_ifc(void *blob) { int nodeoff = 0; while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, "fsl,ifc")) >= 0) { fdt_del_node(blob, nodeoff); } } void fdt_disable_uart1(void *blob) { int nodeoff; nodeoff = fdt_node_offset_by_compat_reg(blob, "fsl,ns16550", CFG_SYS_NS16550_COM2); if (nodeoff > 0) { fdt_status_disabled(blob, nodeoff); } else { printf("WARNING unable to set status for fsl,ns16550 " "uart1: %s\n", fdt_strerror(nodeoff)); } } int ft_board_setup(void *blob, struct bd_info *bd) { phys_addr_t base; phys_size_t size; struct cpu_type *cpu; cpu = gd->arch.cpu; ft_cpu_setup(blob, bd); base = env_get_bootm_low(); size = env_get_bootm_size(); fdt_fixup_memory(blob, (u64)base, (u64)size); #if defined(CONFIG_HAS_FSL_DR_USB) fsl_fdt_fixup_dr_usb(blob, bd); #endif /* P1014 and it's derivatives don't support CAN and eTSEC3 */ if (cpu->soc_ver == SVR_P1014) { fdt_del_flexcan(blob); fdt_del_node_and_alias(blob, "ethernet2"); } /* Delete IFC node as IFC pins are multiplexing with SDHC */ if (sd_ifc_mux != MUX_TYPE_IFC) fdt_del_ifc(blob); else fdt_del_sdhc(blob); if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) { fdt_del_tdm(blob); fdt_del_spi_slic(blob); } else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) { fdt_del_flexcan(blob); fdt_del_spi_flash(blob); fdt_disable_uart1(blob); } else { /* * If we don't set fsl_p1010mux:tdm_can to "can" or "tdm" * explicitly, defaultly spi_cs_sel to spi-flash instead of * to tdm/slic. */ fdt_del_tdm(blob); fdt_del_flexcan(blob); fdt_disable_uart1(blob); } return 0; } #endif #ifdef CONFIG_SDCARD int board_mmc_init(struct bd_info *bis) { config_board_mux(MUX_TYPE_SDHC); return -1; } #else void board_reset(void) { /* mux to IFC to enable CPLD for reset */ if (sd_ifc_mux != MUX_TYPE_IFC) config_board_mux(MUX_TYPE_IFC); } #endif int misc_init_r(void) { ccsr_gur_t *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR); if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) { clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN1_TDM | MPC85xx_PMUXCR_CAN1_UART | MPC85xx_PMUXCR_CAN2_TDM | MPC85xx_PMUXCR_CAN2_UART); config_board_mux(MUX_TYPE_CAN); } else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) { clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_UART | MPC85xx_PMUXCR_CAN1_UART); setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_TDM | MPC85xx_PMUXCR_CAN1_TDM); clrbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_GPIO); setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_TDM); config_board_mux(MUX_TYPE_TDM); } else { /* defaultly spi_cs_sel to flash */ config_board_mux(MUX_TYPE_SPIFLASH); } if (hwconfig("esdhc")) config_board_mux(MUX_TYPE_SDHC); else if (hwconfig("ifc")) config_board_mux(MUX_TYPE_IFC); #ifdef CONFIG_TARGET_P1010RDB_PB setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_GPIO01_DRVVBUS); #endif return 0; } #ifndef CONFIG_SPL_BUILD static int pin_mux_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { if (argc < 2) return CMD_RET_USAGE; if (strcmp(argv[1], "ifc") == 0) config_board_mux(MUX_TYPE_IFC); else if (strcmp(argv[1], "sdhc") == 0) config_board_mux(MUX_TYPE_SDHC); else return CMD_RET_USAGE; return 0; } U_BOOT_CMD( mux, 2, 0, pin_mux_cmd, "configure multiplexing pin for IFC/SDHC bus in runtime", "bus_type (e.g. mux sdhc)" ); #endif