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Diffstat (limited to 'arch/mips/jz4740/board-qi_lb60.c')
-rw-r--r--arch/mips/jz4740/board-qi_lb60.c139
1 files changed, 53 insertions, 86 deletions
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 934b15b5b575..258fd03c9ef5 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -39,8 +39,6 @@
#include "clock.h"
-static bool is_avt2;
-
/* GPIOs */
#define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
#define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
@@ -50,20 +48,6 @@ static bool is_avt2;
#define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26)
/* NAND */
-static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
- .eccbytes = 36,
- .eccpos = {
- 6, 7, 8, 9, 10, 11, 12, 13,
- 14, 15, 16, 17, 18, 19, 20, 21,
- 22, 23, 24, 25, 26, 27, 28, 29,
- 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41
- },
- .oobfree = {
- { .offset = 2, .length = 4 },
- { .offset = 42, .length = 22 }
- },
-};
/* Early prototypes of the QI LB60 had only 1GB of NAND.
* In order to support these devices as well the partition and ecc layout is
@@ -86,25 +70,6 @@ static struct mtd_partition qi_lb60_partitions_1gb[] = {
},
};
-static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
- .eccbytes = 72,
- .eccpos = {
- 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43,
- 44, 45, 46, 47, 48, 49, 50, 51,
- 52, 53, 54, 55, 56, 57, 58, 59,
- 60, 61, 62, 63, 64, 65, 66, 67,
- 68, 69, 70, 71, 72, 73, 74, 75,
- 76, 77, 78, 79, 80, 81, 82, 83
- },
- .oobfree = {
- { .offset = 2, .length = 10 },
- { .offset = 84, .length = 44 },
- },
-};
-
static struct mtd_partition qi_lb60_partitions_2gb[] = {
{
.name = "NAND BOOT partition",
@@ -123,19 +88,67 @@ static struct mtd_partition qi_lb60_partitions_2gb[] = {
},
};
+static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *oobregion)
+{
+ if (section)
+ return -ERANGE;
+
+ oobregion->length = 36;
+ oobregion->offset = 6;
+
+ if (mtd->oobsize == 128) {
+ oobregion->length *= 2;
+ oobregion->offset *= 2;
+ }
+
+ return 0;
+}
+
+static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *oobregion)
+{
+ int eccbytes = 36, eccoff = 6;
+
+ if (section > 1)
+ return -ERANGE;
+
+ if (mtd->oobsize == 128) {
+ eccbytes *= 2;
+ eccoff *= 2;
+ }
+
+ if (!section) {
+ oobregion->offset = 2;
+ oobregion->length = eccoff - 2;
+ } else {
+ oobregion->offset = eccoff + eccbytes;
+ oobregion->length = mtd->oobsize - oobregion->offset;
+ }
+
+ return 0;
+}
+
+static const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = {
+ .ecc = qi_lb60_ooblayout_ecc,
+ .free = qi_lb60_ooblayout_free,
+};
+
static void qi_lb60_nand_ident(struct platform_device *pdev,
- struct nand_chip *chip, struct mtd_partition **partitions,
+ struct mtd_info *mtd, struct mtd_partition **partitions,
int *num_partitions)
{
+ struct nand_chip *chip = mtd_to_nand(mtd);
+
if (chip->page_shift == 12) {
- chip->ecc.layout = &qi_lb60_ecclayout_2gb;
*partitions = qi_lb60_partitions_2gb;
*num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
} else {
- chip->ecc.layout = &qi_lb60_ecclayout_1gb;
*partitions = qi_lb60_partitions_1gb;
*num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
}
+
+ mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops);
}
static struct jz_nand_platform_data qi_lb60_nand_pdata = {
@@ -367,43 +380,12 @@ static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
.power_active_low = 1,
};
-/* OHCI */
-static struct regulator_consumer_supply avt2_usb_regulator_consumer =
- REGULATOR_SUPPLY("vbus", "jz4740-ohci");
-
-static struct regulator_init_data avt2_usb_regulator_init_data = {
- .num_consumer_supplies = 1,
- .consumer_supplies = &avt2_usb_regulator_consumer,
- .constraints = {
- .name = "USB power",
- .min_uV = 5000000,
- .max_uV = 5000000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .valid_ops_mask = REGULATOR_CHANGE_STATUS,
- },
-};
-
-static struct fixed_voltage_config avt2_usb_regulator_data = {
- .supply_name = "USB power",
- .microvolts = 5000000,
- .gpio = JZ_GPIO_PORTB(17),
- .init_data = &avt2_usb_regulator_init_data,
-};
-
-static struct platform_device avt2_usb_regulator_device = {
- .name = "reg-fixed-voltage",
- .id = -1,
- .dev = {
- .platform_data = &avt2_usb_regulator_data,
- }
-};
-
+/* beeper */
static struct pwm_lookup qi_lb60_pwm_lookup[] = {
PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
PWM_POLARITY_NORMAL),
};
-/* beeper */
static struct platform_device qi_lb60_pwm_beeper = {
.name = "pwm-beeper",
.id = -1,
@@ -487,11 +469,6 @@ static int __init qi_lb60_init_platform_devices(void)
spi_register_board_info(qi_lb60_spi_board_info,
ARRAY_SIZE(qi_lb60_spi_board_info));
- if (is_avt2) {
- platform_device_register(&avt2_usb_regulator_device);
- platform_device_register(&jz4740_usb_ohci_device);
- }
-
pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
return platform_add_devices(jz_platform_devices,
@@ -499,19 +476,9 @@ static int __init qi_lb60_init_platform_devices(void)
}
-static __init int board_avt2(char *str)
-{
- qi_lb60_mmc_pdata.card_detect_active_low = 1;
- is_avt2 = true;
-
- return 1;
-}
-__setup("avt2", board_avt2);
-
static int __init qi_lb60_board_setup(void)
{
- printk(KERN_INFO "Qi Hardware JZ4740 QI %s setup\n",
- is_avt2 ? "AVT2" : "LB60");
+ printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n");
board_gpio_setup();