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[MTD] sharpsl-nand: move registration to board code

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Finally move registration of sharpsl-nand device to board-specific code.
sharpsl nand driver is now clean and simple.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
This commit is contained in:
Dmitry Baryshkov
2008-10-16 19:17:05 +04:00
parent a20c7ab570
commit 6af7a8eb1e
4 changed files with 182 additions and 86 deletions
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77
arch/arm/mach-pxa/spitz.c
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@@ -30,6 +30,7 @@
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/corgi_lcd.h>
#include <linux/mtd/sharpsl.h>
#include <asm/setup.h>
#include <asm/memory.h>
@@ -595,11 +596,60 @@ static struct pxafb_mach_info spitz_pxafb_info = {
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
};
static struct mtd_partition sharpsl_nand_partitions[] = {
{
.name = "System Area",
.offset = 0,
.size = 7 * 1024 * 1024,
},
{
.name = "Root Filesystem",
.offset = 7 * 1024 * 1024,
},
{
.name = "Home Filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
static struct nand_bbt_descr sharpsl_bbt = {
.options = 0,
.offs = 4,
.len = 2,
.pattern = scan_ff_pattern
};
static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
.badblock_pattern = &sharpsl_bbt,
.partitions = sharpsl_nand_partitions,
.nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
};
static struct resource sharpsl_nand_resources[] = {
{
.start = 0x0C000000,
.end = 0x0C000FFF,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device sharpsl_nand_device = {
.name = "sharpsl-nand",
.id = -1,
.resource = sharpsl_nand_resources,
.num_resources = ARRAY_SIZE(sharpsl_nand_resources),
.dev.platform_data = &sharpsl_nand_platform_data,
};
static struct platform_device *devices[] __initdata = {
&spitzscoop_device,
&spitzkbd_device,
&spitzled_device,
&sharpsl_nand_device,
};
static void spitz_poweroff(void)
@@ -622,6 +672,14 @@ static void __init common_init(void)
pm_power_off = spitz_poweroff;
arm_pm_restart = spitz_restart;
if (machine_is_spitz()) {
sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
} else if (machine_is_akita()) {
sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
} else if (machine_is_borzoi()) {
sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
}
PMCR = 0x00;
/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
@@ -666,10 +724,29 @@ static struct i2c_board_info akita_i2c_board_info[] = {
},
};
static struct nand_bbt_descr sharpsl_akita_bbt = {
.options = 0,
.offs = 4,
.len = 1,
.pattern = scan_ff_pattern
};
static struct nand_ecclayout akita_oobinfo = {
.eccbytes = 24,
.eccpos = {
0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
.oobfree = {{0x08, 0x09}}
};
static void __init akita_init(void)
{
spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
/* We just pretend the second element of the array doesn't exist */
spitz_pcmcia_config.num_devs = 1;
platform_scoop_config = &spitz_pcmcia_config;