diff options
| author | Marek Vasut <marek.vasut@gmail.com> | 2010-10-19 19:06:49 +0400 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-12-20 18:14:09 +0300 |
| commit | 59bdd133561a432c4655146e283caf85fa64c2fb (patch) | |
| tree | 62e4514eff33958ab3bc7dabdea9fbd0cf3ee9d0 /arch | |
| parent | 1b9169d8a0fe2b41fbbb8d152c8108190865f3cf (diff) | |
| download | linux-59bdd133561a432c4655146e283caf85fa64c2fb.tar.xz | |
ARM: pxa: Add Balloon3 NAND ready check
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-pxa/balloon3.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/balloon3.h | 2 |
2 files changed, 7 insertions, 3 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index d4649c0e23f6..ccb2d0cebcc3 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -612,9 +612,13 @@ static void balloon3_nand_select_chip(struct mtd_info *mtd, int chip) BALLOON3_NAND_CONTROL_REG); } +static int balloon3_nand_dev_ready(struct mtd_info *mtd) +{ + return __raw_readl(BALLOON3_NAND_STAT_REG) & BALLOON3_NAND_STAT_RNB; +} + static int balloon3_nand_probe(struct platform_device *pdev) { - void __iomem *temp_map; uint16_t ver; int ret; @@ -684,7 +688,7 @@ struct platform_nand_data balloon3_nand_pdata = { }, .ctrl = { .hwcontrol = 0, - .dev_ready = 0, + .dev_ready = balloon3_nand_dev_ready, .select_chip = balloon3_nand_select_chip, .cmd_ctrl = balloon3_nand_cmd_ctl, .probe = balloon3_nand_probe, diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h index f6c81ea51487..7074e76146c9 100644 --- a/arch/arm/mach-pxa/include/mach/balloon3.h +++ b/arch/arm/mach-pxa/include/mach/balloon3.h @@ -37,7 +37,7 @@ enum balloon3_features { #define BALLOON3_NAND_BASE (PXA_CS4_PHYS + 0x00e00000) #define BALLOON3_NAND_IO_REG (BALLOON3_FPGA_VIRT + 0x00e00000) #define BALLOON3_NAND_CONTROL2_REG (BALLOON3_FPGA_VIRT + 0x00e00010) -#define BALLOON3_NAND_STAT_REG (BALLOON3_FPGA_VIRT + 0x00e00010) +#define BALLOON3_NAND_STAT_REG (BALLOON3_FPGA_VIRT + 0x00e00014) #define BALLOON3_NAND_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e00014) /* fpga/cpld interrupt control register */ |