+
+int board_mmc_getcd(struct mmc *mmc)
+{
+ ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
+ u32 val = in_be32(&pgpio->gpdat);
+
+ /* GPIO1_14, 0: eMMC, 1: SD/MMC */
+ val &= GPIO1_SD_SEL;
+
+ return val ? -1 : 1;
+}
+
+int board_mmc_getwp(struct mmc *mmc)
+{
+ ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
+ u32 val = in_be32(&pgpio->gpdat);
+
+ val &= GPIO1_SD_SEL;
+
+ return val ? -1 : 0;
+}
+
+static u32 t1023rdb_ctrl(u32 ctrl_type)
+{
+ ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
+ ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 val, orig_bus = i2c_get_bus_num();
+ u8 tmp;
+
+ switch (ctrl_type) {
+ case GPIO1_SD_SEL:
+ val = in_be32(&pgpio->gpdat);
+ val |= GPIO1_SD_SEL;
+ out_be32(&pgpio->gpdat, val);
+ setbits_be32(&pgpio->gpdir, GPIO1_SD_SEL);
+ break;
+ case GPIO1_EMMC_SEL:
+ val = in_be32(&pgpio->gpdat);
+ val &= ~GPIO1_SD_SEL;
+ out_be32(&pgpio->gpdat, val);
+ setbits_be32(&pgpio->gpdir, GPIO1_SD_SEL);
+ break;
+ case GPIO3_GET_VERSION:
+ pgpio = (ccsr_gpio_t *)(CONFIG_SYS_MPC85xx_GPIO_ADDR
+ + GPIO3_OFFSET);
+ val = in_be32(&pgpio->gpdat);
+ val = ((val & GPIO3_BRD_VER_MASK) >> 26) & 0x3;
+ if (val == 0x3) /* GPIO3_4/5 not used on RevB */
+ val = 0;
+ return val;
+ case I2C_GET_BANK:
+ i2c_set_bus_num(I2C_PCA6408_BUS_NUM);
+ i2c_read(I2C_PCA6408_ADDR, 0, 1, &tmp, 1);
+ tmp &= 0x7;
+ tmp = ((tmp & 1) << 2) | (tmp & 2) | ((tmp & 4) >> 2);
+ i2c_set_bus_num(orig_bus);
+ return tmp;
+ case I2C_SET_BANK0:
+ i2c_set_bus_num(I2C_PCA6408_BUS_NUM);
+ tmp = 0x0;
+ i2c_write(I2C_PCA6408_ADDR, 1, 1, &tmp, 1);
+ tmp = 0xf8;
+ i2c_write(I2C_PCA6408_ADDR, 3, 1, &tmp, 1);
+ /* asserting HRESET_REQ */
+ out_be32(&gur->rstcr, 0x2);
+ break;
+ case I2C_SET_BANK4:
+ i2c_set_bus_num(I2C_PCA6408_BUS_NUM);
+ tmp = 0x1;
+ i2c_write(I2C_PCA6408_ADDR, 1, 1, &tmp, 1);
+ tmp = 0xf8;
+ i2c_write(I2C_PCA6408_ADDR, 3, 1, &tmp, 1);
+ out_be32(&gur->rstcr, 0x2);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int switch_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ if (argc < 2)
+ return CMD_RET_USAGE;
+ if (!strcmp(argv[1], "bank0"))
+ t1023rdb_ctrl(I2C_SET_BANK0);
+ else if (!strcmp(argv[1], "bank4") || !strcmp(argv[1], "altbank"))
+ t1023rdb_ctrl(I2C_SET_BANK4);
+ else if (!strcmp(argv[1], "sd"))
+ t1023rdb_ctrl(GPIO1_SD_SEL);
+ else if (!strcmp(argv[1], "emmc"))
+ t1023rdb_ctrl(GPIO1_EMMC_SEL);
+ else
+ return CMD_RET_USAGE;
+ return 0;
+}
+
+U_BOOT_CMD(
+ switch, 2, 0, switch_cmd,
+ "for bank0/bank4/sd/emmc switch control in runtime",
+ "command (e.g. switch bank4)"
+);