From d126d0158b98469b833bcd5214bc909f164a0033 Mon Sep 17 00:00:00 2001 From: Afzal Mohammed Date: Thu, 30 Aug 2012 12:53:22 -0700 Subject: ARM: OMAP2+: gpmc-nand: update gpmc-nand regs GPMC has NAND registers, update nand platform data with those details so that NAND driver can configure those by itself instead of using exported symbols. Signed-off-by: Afzal Mohammed Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/gpmc-nand.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/mach-omap2/gpmc-nand.c') diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index 386dec8d2351..d4e803cf549f 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -108,6 +108,8 @@ int __init gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data) gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_RDY_BSY, 1); } + gpmc_update_nand_reg(&gpmc_nand_data->reg, gpmc_nand_data->cs); + err = platform_device_register(&gpmc_nand_device); if (err < 0) { dev_err(dev, "Unable to register NAND device\n"); -- cgit v1.2.3 From 9222e3a7bbf3fe63629d4169b63afa27bc108ecc Mon Sep 17 00:00:00 2001 From: Afzal Mohammed Date: Thu, 30 Aug 2012 12:53:23 -0700 Subject: ARM: OMAP2+: gpmc-nand: update resource with memory Currently omap nand driver uses a field in platform data - phys_base for passing the address space allocated by gpmc for nand. Use struct resource instead. With this change omap nand driver has to get address space from memory resource. This helps in smooth migration of gpmc to driver. Signed-off-by: Afzal Mohammed Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/gpmc-nand.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'arch/arm/mach-omap2/gpmc-nand.c') diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index d4e803cf549f..c0320d2eb40f 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -90,12 +90,14 @@ int __init gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data) gpmc_nand_device.dev.platform_data = gpmc_nand_data; err = gpmc_cs_request(gpmc_nand_data->cs, NAND_IO_SIZE, - &gpmc_nand_data->phys_base); + (unsigned long *)&gpmc_nand_resource.start); if (err < 0) { dev_err(dev, "Cannot request GPMC CS\n"); return err; } + gpmc_nand_resource.end = gpmc_nand_resource.start + NAND_IO_SIZE - 1; + /* Set timings in GPMC */ err = omap2_nand_gpmc_retime(gpmc_nand_data); if (err < 0) { -- cgit v1.2.3 From 2ee30f0511758c1a21d3346bb88f25f7645ba108 Mon Sep 17 00:00:00 2001 From: Afzal Mohammed Date: Thu, 30 Aug 2012 12:53:24 -0700 Subject: ARM: OMAP2+: gpmc-nand: Modify Interrupt handling Now GPMC provides its client with interrupts that can be handled using the standard interrupt API. Modify GPMC NAND setup to work with it. Also disable write protect in GPMC code, so that NAND driver can be ignorant of GPMC configuration. Signed-off-by: Afzal Mohammed Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/gpmc-nand.c | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) (limited to 'arch/arm/mach-omap2/gpmc-nand.c') diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index c0320d2eb40f..045596a3e899 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -21,15 +21,23 @@ #include #include -static struct resource gpmc_nand_resource = { - .flags = IORESOURCE_MEM, +static struct resource gpmc_nand_resource[] = { + { + .flags = IORESOURCE_MEM, + }, + { + .flags = IORESOURCE_IRQ, + }, + { + .flags = IORESOURCE_IRQ, + }, }; static struct platform_device gpmc_nand_device = { .name = "omap2-nand", .id = 0, - .num_resources = 1, - .resource = &gpmc_nand_resource, + .num_resources = ARRAY_SIZE(gpmc_nand_resource), + .resource = gpmc_nand_resource, }; static int omap2_nand_gpmc_retime(struct omap_nand_platform_data *gpmc_nand_data) @@ -75,6 +83,7 @@ static int omap2_nand_gpmc_retime(struct omap_nand_platform_data *gpmc_nand_data gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_DEV_SIZE, 0); gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_DEV_TYPE, GPMC_DEVICETYPE_NAND); + gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_WP, 0); err = gpmc_cs_set_timings(gpmc_nand_data->cs, &t); if (err) return err; @@ -90,14 +99,19 @@ int __init gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data) gpmc_nand_device.dev.platform_data = gpmc_nand_data; err = gpmc_cs_request(gpmc_nand_data->cs, NAND_IO_SIZE, - (unsigned long *)&gpmc_nand_resource.start); + (unsigned long *)&gpmc_nand_resource[0].start); if (err < 0) { dev_err(dev, "Cannot request GPMC CS\n"); return err; } - gpmc_nand_resource.end = gpmc_nand_resource.start + NAND_IO_SIZE - 1; + gpmc_nand_resource[0].end = gpmc_nand_resource[0].start + + NAND_IO_SIZE - 1; + gpmc_nand_resource[1].start = + gpmc_get_client_irq(GPMC_IRQ_FIFOEVENTENABLE); + gpmc_nand_resource[2].start = + gpmc_get_client_irq(GPMC_IRQ_COUNT_EVENT); /* Set timings in GPMC */ err = omap2_nand_gpmc_retime(gpmc_nand_data); if (err < 0) { -- cgit v1.2.3 From cf3a6ec2c0a499ef019d25d4dbc79df66e7d3f0c Mon Sep 17 00:00:00 2001 From: Igor Grinberg Date: Wed, 29 Aug 2012 02:18:57 +0300 Subject: ARM: OMAP: remove plat/board.h file plat/board.h file is now empty - remove it. Cc: Jarkko Lavinen Cc: Chris Ball Cc: Kyungmin Park Cc: linux-mmc@vger.kernel.org Cc: linux-mtd@lists.infradead.org Signed-off-by: Igor Grinberg Acked-by: Chris Ball Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/gpmc-nand.c | 1 - 1 file changed, 1 deletion(-) (limited to 'arch/arm/mach-omap2/gpmc-nand.c') diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index 386dec8d2351..513ed9e2db5a 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -18,7 +18,6 @@ #include #include -#include #include static struct resource gpmc_nand_resource = { -- cgit v1.2.3