[MTD] sharpsl-nand: move registration to board code
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Wed Dec 10 12:59:02 EST 2008
Gitweb: http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=6af7a8eb1eb2b5a0967fccf61e750b085d60ad48
Commit: 6af7a8eb1eb2b5a0967fccf61e750b085d60ad48
Parent: a20c7ab570ffdce1d6f67c7acf8c1c502a3b3839
Author: Dmitry Baryshkov <dbaryshkov at gmail.com>
AuthorDate: Thu Oct 16 19:17:05 2008 +0400
Committer: Dmitry Baryshkov <dbaryshkov at gmail.com>
CommitDate: Wed Oct 29 21:08:37 2008 +0300
[MTD] sharpsl-nand: move registration to board code
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 at gmail.com>
---
arch/arm/mach-pxa/corgi.c | 54 +++++++++++++++++++++++++++
arch/arm/mach-pxa/poodle.c | 51 ++++++++++++++++++++++++++
arch/arm/mach-pxa/spitz.c | 77 +++++++++++++++++++++++++++++++++++++++
drivers/mtd/nand/sharpsl.c | 86 --------------------------------------------
4 files changed, 182 insertions(+), 86 deletions(-)
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 65558d6..b65be8e 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -26,6 +26,7 @@
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/corgi_lcd.h>
+#include <linux/mtd/sharpsl.h>
#include <video/w100fb.h>
#include <asm/setup.h>
@@ -541,11 +542,61 @@ err_free_1:
static inline void corgi_init_spi(void) {}
#endif
+static struct mtd_partition sharpsl_nand_partitions[] = {
+ {
+ .name = "System Area",
+ .offset = 0,
+ .size = 7 * 1024 * 1024,
+ },
+ {
+ .name = "Root Filesystem",
+ .offset = 7 * 1024 * 1024,
+ .size = 25 * 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 = {
&corgiscoop_device,
&corgifb_device,
&corgikbd_device,
&corgiled_device,
+ &sharpsl_nand_device,
};
static void corgi_poweroff(void)
@@ -585,6 +636,9 @@ static void __init corgi_init(void)
platform_scoop_config = &corgi_pcmcia_config;
+ if (machine_is_husky())
+ sharpsl_nand_partitions[1].size = 53 * 1024 * 1024;
+
platform_add_devices(devices, ARRAY_SIZE(devices));
}
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 2e3bd8b..a45afdf 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -23,6 +23,7 @@
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
+#include <linux/mtd/sharpsl.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -413,9 +414,59 @@ static struct pxafb_mach_info poodle_fb_info = {
.lcd_conn = LCD_COLOR_TFT_16BPP,
};
+static struct mtd_partition sharpsl_nand_partitions[] = {
+ {
+ .name = "System Area",
+ .offset = 0,
+ .size = 7 * 1024 * 1024,
+ },
+ {
+ .name = "Root Filesystem",
+ .offset = 7 * 1024 * 1024,
+ .size = 22 * 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 = {
&poodle_locomo_device,
&poodle_scoop_device,
+ &sharpsl_nand_device,
};
static void poodle_poweroff(void)
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 524f656..6ffa613 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -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;
diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
index 698378c..54ec754 100644
--- a/drivers/mtd/nand/sharpsl.c
+++ b/drivers/mtd/nand/sharpsl.c
@@ -247,93 +247,8 @@ static struct platform_driver sharpsl_nand_driver = {
.remove = __devexit_p(sharpsl_nand_remove),
};
-/*
- * Define partitions for flash device
- */
-static struct mtd_partition sharpsl_nand_partitions[] = {
- {
- .name = "System Area",
- .offset = 0,
- .size = 7 * 1024 * 1024,
- },
- {
- .name = "Root Filesystem",
- .offset = 7 * 1024 * 1024,
- .size = 30 * 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 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 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 int __init sharpsl_nand_init(void)
{
- if (machine_is_poodle()) {
- sharpsl_nand_partitions[1].size = 22 * 1024 * 1024;
- } else if (machine_is_corgi() || machine_is_shepherd()) {
- sharpsl_nand_partitions[1].size = 25 * 1024 * 1024;
- } else if (machine_is_husky()) {
- sharpsl_nand_partitions[1].size = 53 * 1024 * 1024;
- } else 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;
- sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
- sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
- } else if (machine_is_borzoi()) {
- sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
- }
-
- platform_device_register(&sharpsl_nand_device);
return platform_driver_register(&sharpsl_nand_driver);
}
module_init(sharpsl_nand_init);
@@ -341,7 +256,6 @@ module_init(sharpsl_nand_init);
static void __exit sharpsl_nand_exit(void)
{
platform_driver_unregister(&sharpsl_nand_driver);
- platform_device_unregister(&sharpsl_nand_device);
}
module_exit(sharpsl_nand_exit);
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