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qi_lb60: Initalize nand paritions and ecc layout depending on the chip size.

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This commit is contained in:
Lars-Peter Clausen 2009-10-12 01:31:23 +02:00 committed by Xiangfu Liu
parent cc05485408
commit 9eff41dbb1
1 changed files with 54 additions and 39 deletions
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93
target/linux/xburst/files-2.6.31/arch/mips/jz4740/board-qi_lb60.c
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@ -31,8 +31,7 @@
/* NAND */ /* NAND */
#ifdef QI_LB60_1GB_NAND static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
static struct nand_ecclayout qi_lb60_ecclayout = {
.eccbytes = 36, .eccbytes = 36,
.eccpos = { .eccpos = {
6, 7, 8, 9, 10, 11, 12, 13, 6, 7, 8, 9, 10, 11, 12, 13,
@ -47,7 +46,7 @@ static struct nand_ecclayout qi_lb60_ecclayout = {
.length = 22}} .length = 22}}
}; };
static struct mtd_partition qi_lb60_partitions[] = { static struct mtd_partition qi_lb60_partitions_1gb[] = {
{ .name = "NAND BOOT partition", { .name = "NAND BOOT partition",
.offset = 0 * 0x100000, .offset = 0 * 0x100000,
.size = 4 * 0x100000, .size = 4 * 0x100000,
@ -65,11 +64,11 @@ static struct mtd_partition qi_lb60_partitions[] = {
.size = 512 * 0x100000, .size = 512 * 0x100000,
}, },
}; };
#else
static struct nand_ecclayout qi_lb60_ecclayout = { static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
.eccbytes = 72, .eccbytes = 72,
.eccpos = { .eccpos = {
12, 13, 14, 15, 16, 17, 18, 19, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 20, 21, 22, 23, 24, 25, 26, 27,
28, 29, 30, 31, 32, 33, 34, 35, 28, 29, 30, 31, 32, 33, 34, 35,
36, 37, 38, 39, 40, 41, 42, 43, 36, 37, 38, 39, 40, 41, 42, 43,
@ -78,14 +77,14 @@ static struct nand_ecclayout qi_lb60_ecclayout = {
60, 61, 62, 63, 64, 65, 66, 67, 60, 61, 62, 63, 64, 65, 66, 67,
68, 69, 70, 71, 72, 73, 74, 75, 68, 69, 70, 71, 72, 73, 74, 75,
76, 77, 78, 79, 80, 81, 82, 83}, 76, 77, 78, 79, 80, 81, 82, 83},
.oobfree = { .oobfree = {
{.offset = 2, {.offset = 2,
.length = 10}, .length = 10},
{.offset = 84, {.offset = 84,
.length = 44}} .length = 44}}
}; };
static struct mtd_partition qi_lb60_partitions[] = { static struct mtd_partition qi_lb60_partitions_2gb[] = {
{ .name = "NAND BOOT partition", { .name = "NAND BOOT partition",
.offset = 0 * 0x100000, .offset = 0 * 0x100000,
.size = 4 * 0x100000, .size = 4 * 0x100000,
@ -103,7 +102,28 @@ static struct mtd_partition qi_lb60_partitions[] = {
.size = (512 + 1024) * 0x100000, .size = (512 + 1024) * 0x100000,
}, },
}; };
#endif /* QI_LB60_1GB_NAND */
static void qi_lb60_nand_ident(struct platform_device *pdev,
struct nand_chip *chip,
struct mtd_partition **partitions,
int *num_partitions)
{
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);
}
}
static struct jz_nand_platform_data qi_lb60_nand_pdata = {
.ident_callback = qi_lb60_nand_ident,
.busy_gpio = 94,
};
/* Keyboard*/ /* Keyboard*/
@ -237,35 +257,28 @@ static struct fb_videomode qi_lb60_video_modes[] = {
}; };
static struct jz4740_fb_platform_data qi_lb60_fb_pdata = { static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
.width = 60, .width = 60,
.height = 45, .height = 45,
.num_modes = ARRAY_SIZE(qi_lb60_video_modes), .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
.modes = qi_lb60_video_modes, .modes = qi_lb60_video_modes,
.bpp = 24, .bpp = 24,
.lcd_type = JZ_LCD_TYPE_8BIT_SERIAL, .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
}; };
static struct jz_nand_platform_data qi_lb60_nand_pdata = {
.num_partitions = ARRAY_SIZE(qi_lb60_partitions),
.partitions = qi_lb60_partitions,
.ecc_layout = &qi_lb60_ecclayout,
.busy_gpio = 94,
};
struct spi_gpio_platform_data spigpio_platform_data = { struct spi_gpio_platform_data spigpio_platform_data = {
.sck = JZ_GPIO_PORTC(23), .sck = JZ_GPIO_PORTC(23),
.mosi = JZ_GPIO_PORTC(22), .mosi = JZ_GPIO_PORTC(22),
.miso = JZ_GPIO_PORTC(22), .miso = JZ_GPIO_PORTC(22),
.num_chipselect = 1, .num_chipselect = 1,
}; };
static struct platform_device spigpio_device = { static struct platform_device spigpio_device = {
.name = "spi_gpio", .name = "spi_gpio",
.id = 1, .id = 1,
.dev = { .dev = {
.platform_data = &spigpio_platform_data, .platform_data = &spigpio_platform_data,
}, },
}; };
static struct spi_board_info qi_lb60_spi_board_info[] = { static struct spi_board_info qi_lb60_spi_board_info[] = {
@ -336,8 +349,8 @@ static struct platform_device *jz_platform_devices[] __initdata = {
static void __init board_gpio_setup(void) static void __init board_gpio_setup(void)
{ {
/* We only need to enable/disable pullup here for pins used in generic /* We only need to enable/disable pullup here for pins used in generic
* drivers. Everything else is done by the drivers themselfs. */ * drivers. Everything else is done by the drivers themselfs. */
jz_gpio_disable_pullup(GPIO_SD_VCC_EN_N); jz_gpio_disable_pullup(GPIO_SD_VCC_EN_N);
jz_gpio_disable_pullup(GPIO_SD_CD_N); jz_gpio_disable_pullup(GPIO_SD_CD_N);
jz_gpio_disable_pullup(GPIO_SD_WP); jz_gpio_disable_pullup(GPIO_SD_WP);
@ -358,16 +371,18 @@ static int __init qi_lb60_init_platform_devices(void)
} }
extern int jz_gpiolib_init(void); extern int jz_gpiolib_init(void);
static void __init qi_lb60_board_setup(void) static int __init qi_lb60_board_setup(void)
{ {
printk("Qi Hardware JZ4740 QI_LB60 setup\n"); printk("Qi Hardware JZ4740 QI_LB60 setup\n");
if (jz_gpiolib_init()) if (jz_gpiolib_init())
panic("Failed to initalize jz gpio\n"); panic("Failed to initalize jz gpio\n");
board_gpio_setup(); board_gpio_setup();
if (qi_lb60_init_platform_devices()) if (qi_lb60_init_platform_devices())
panic("Failed to initalize platform devices\n"); panic("Failed to initalize platform devices\n");
return 0;
} }
arch_initcall(qi_lb60_board_setup); arch_initcall(qi_lb60_board_setup);