#include "t102xrdb.h"
#ifdef CONFIG_T1024RDB
#include "cpld.h"
+#elif defined(CONFIG_T1023RDB)
+#include <i2c.h>
+#include <mmc.h>
#endif
#include "../common/sleep.h"
#ifdef CONFIG_T1023RDB
enum {
- GPIO1_SD_SEL = 0x00020000, /* GPIO1_14, 0: EMMC, 1:SD/MMC */
+ GPIO1_SD_SEL = 0x00020000, /* GPIO1_14, 0: eMMC, 1:SD/MMC */
GPIO1_EMMC_SEL,
- GPIO1_VBANK0,
- GPIO1_VBANK4 = 0x00008000, /* GPIO1_16/20/22, 100:vBank4 */
- GPIO1_VBANK_MASK = 0x00008a00,
- GPIO1_DIR_OUTPUT = 0x00028a00,
- GPIO1_GET_VAL,
+ GPIO3_GET_VERSION, /* GPIO3_4/5, 00:RevB, 01: RevC */
+ GPIO3_BRD_VER_MASK = 0x0c000000,
+ GPIO3_OFFSET = 0x2000,
+ I2C_GET_BANK,
+ I2C_SET_BANK0,
+ I2C_SET_BANK4,
};
#endif
srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
printf("Board: %sRDB, ", cpu->name);
-#ifdef CONFIG_T1024RDB
+#if defined(CONFIG_T1024RDB)
printf("Board rev: 0x%02x CPLD ver: 0x%02x, ",
CPLD_READ(hw_ver), CPLD_READ(sw_ver));
+#elif defined(CONFIG_T1023RDB)
+ printf("Rev%c, ", t1023rdb_ctrl(GPIO3_GET_VERSION) + 'B');
#endif
printf("boot from ");
#ifdef CONFIG_NAND
puts("NAND\n");
#else
- printf("NOR vBank%d\n", (t1023rdb_gpio_ctrl(GPIO1_GET_VAL) &
- GPIO1_VBANK4) >> 15 ? 4 : 0);
+ printf("NOR vBank%d\n", t1023rdb_ctrl(I2C_GET_BANK));
#endif
#endif
fdt_fixup_board_enet(blob);
#endif
+#ifdef CONFIG_T1023RDB
+ if (t1023rdb_ctrl(GPIO3_GET_VERSION) > 0)
+ fdt_enable_nor(blob);
+#endif
+
return 0;
}
-
#ifdef CONFIG_T1023RDB
-static u32 t1023rdb_gpio_ctrl(u32 ctrl_type)
+/* Enable NOR flash for RevC */
+static void fdt_enable_nor(void *blob)
{
- ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
- u32 gpioval;
+ int nodeoff = fdt_node_offset_by_compatible(blob, 0, "cfi-flash");
+
+ if (nodeoff >= 0)
+ fdt_status_okay(blob, nodeoff);
+ else
+ printf("WARNING unable to set status for NOR\n");
+}
- setbits_be32(&pgpio->gpdir, GPIO1_DIR_OUTPUT);
- gpioval = in_be32(&pgpio->gpdat);
+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:
- gpioval |= 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:
- gpioval &= ~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_VBANK0:
- gpioval &= ~GPIO1_VBANK_MASK;
+ 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 GPIO1_VBANK4:
- gpioval &= ~GPIO1_VBANK_MASK;
- gpioval |= GPIO1_VBANK4;
+ 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;
- case GPIO1_GET_VAL:
- return gpioval;
default:
break;
}
- out_be32(&pgpio->gpdat, gpioval);
-
return 0;
}
-static int gpio_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
+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], "vbank0"))
- t1023rdb_gpio_ctrl(GPIO1_VBANK0);
- else if (!strcmp(argv[1], "vbank4"))
- t1023rdb_gpio_ctrl(GPIO1_VBANK4);
+ 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_gpio_ctrl(GPIO1_SD_SEL);
- else if (!strcmp(argv[1], "EMMC"))
- t1023rdb_gpio_ctrl(GPIO1_EMMC_SEL);
+ 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(
- gpio, 2, 0, gpio_cmd,
- "for vbank0/vbank4/SD/eMMC switch control in runtime",
- "command (e.g. gpio vbank4)"
+ switch, 2, 0, switch_cmd,
+ "for bank0/bank4/sd/emmc switch control in runtime",
+ "command (e.g. switch bank4)"
);
#endif
projects / karo-tx-uboot.git / blobdiff