From: Marek Vasut Date: Tue, 19 Oct 2010 15:06:49 +0000 (+0200) Subject: ARM: pxa: Add Balloon3 NAND ready check X-Git-Tag: 2.1b_release~5942^2^2~4^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=59bdd133561a432c4655146e283caf85fa64c2fb;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git ARM: pxa: Add Balloon3 NAND ready check Signed-off-by: Marek Vasut Signed-off-by: Eric Miao --- diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index d4649c0..ccb2d0c 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 f6c81ea..7074e76 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 */