From mboxrd@z Thu Jan 1 00:00:00 1970 From: marek.vasut@gmail.com (Marek Vasut) Date: Tue, 19 Oct 2010 17:07:28 +0200 Subject: [PATCH] ARM: pxa: Add Balloon3 NAND ready check Message-ID: <1287500848-21528-1-git-send-email-marek.vasut@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Marek Vasut --- arch/arm/mach-pxa/balloon3.c | 8 ++++++-- 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 235d957..6128f52 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -614,9 +614,13 @@ 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; @@ -686,7 +690,7 @@ 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 */ -- 1.7.1