提交 80ebf20f 编写于 作者: E Enrico Scholz 提交者: David Woodhouse

[MTD] [NAND] pxa3xx_nand: allow to disable builtin flash-type table

This patch adds a MTD_NAND_PXA3xx_BUILTIN configuration variables which
allows to disable usage of builtin flash-type table.  Not enabling this
option saves some space in the generated driver.
Signed-off-by: NEnrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
上级 c8ac3f81
......@@ -334,6 +334,13 @@ config MTD_NAND_PXA3xx
This enables the driver for the NAND flash device found on
PXA3xx processors
config MTD_NAND_PXA3xx_BUILTIN
bool "Use builtin definitions for some NAND chips (deprecated)"
depends on MTD_NAND_PXA3xx
help
This enables builtin definitions for some NAND chips. This
is deprecated in favor of platform specific data.
config MTD_NAND_CM_X270
tristate "Support for NAND Flash on CM-X270 modules"
depends on MTD_NAND && MACH_ARMCORE
......
......@@ -164,6 +164,7 @@ static int use_dma = 1;
module_param(use_dma, bool, 0444);
MODULE_PARM_DESC(use_dma, "enable DMA for data transfering to/from NAND HW");
#ifdef CONFIG_MTD_NAND_PXA3xx_BUILTIN
static struct pxa3xx_nand_cmdset smallpage_cmdset = {
.read1 = 0x0000,
.read2 = 0x0050,
......@@ -275,6 +276,7 @@ static struct pxa3xx_nand_flash *builtin_flash_types[] = {
&micron1GbX16,
&stm2GbX16,
};
#endif /* CONFIG_MTD_NAND_PXA3xx_BUILTIN */
#define NDTR0_tCH(c) (min((c), 7) << 19)
#define NDTR0_tCS(c) (min((c), 7) << 16)
......@@ -931,6 +933,7 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
return 0;
}
#ifdef CONFIG_MTD_NAND_PXA3xx_BUILTIN
for (i = 0; i < ARRAY_SIZE(builtin_flash_types); i++) {
f = builtin_flash_types[i];
......@@ -944,6 +947,7 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
if (id == f->chip_id)
return 0;
}
#endif
return -ENODEV;
}
......
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