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