diff options
| author | Olof Johansson <olof@lixom.net> | 2012-09-16 19:27:20 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-09-16 19:27:20 -0700 |
| commit | 5ec8d8c96e20f4997881c8f259607cc8e47825e2 (patch) | |
| tree | d529a9ffa6ccb3eea29b87f32706428be8211caf /arch/arm/mach-omap2/gpmc-onenand.c | |
| parent | afdeeccbb7df712d554073c91ff9ad07ed27cbbd (diff) | |
| parent | 5c4684557b7e37afd42fa35f420f2f28bfb75442 (diff) | |
Merge tag 'omap-devel-gpmc-fixed-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup
From Tony Lindgren:
Changes for GPMC (General Purpose Memory Controller) that take it
closer for being just a regular device driver.
* tag 'omap-devel-gpmc-fixed-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
mtd: nand: omap2: use gpmc provided irqs
ARM: OMAP2+: gpmc-nand: Modify Interrupt handling
ARM: OMAP2+: gpmc: Modify interrupt handling
mtd: onenand: omap2: obtain memory from resource
mtd: nand: omap2: obtain memory from resource
ARM: OMAP2+: gpmc-onenand: provide memory as resource
ARM: OMAP2+: gpmc-nand: update resource with memory
mtd: nand: omap2: handle nand on gpmc
ARM: OMAP2+: gpmc-nand: update gpmc-nand regs
ARM: OMAP2+: gpmc: update nand register helper
Diffstat (limited to 'arch/arm/mach-omap2/gpmc-onenand.c')
| -rw-r--r-- | arch/arm/mach-omap2/gpmc-onenand.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index a0fa9bb2bda..71d7c07dd35 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -23,11 +23,19 @@ #include <plat/board.h> #include <plat/gpmc.h> +#define ONENAND_IO_SIZE SZ_128K + static struct omap_onenand_platform_data *gpmc_onenand_data; +static struct resource gpmc_onenand_resource = { + .flags = IORESOURCE_MEM, +}; + static struct platform_device gpmc_onenand_device = { .name = "omap2-onenand", .id = -1, + .num_resources = 1, + .resource = &gpmc_onenand_resource, }; static int omap2_onenand_set_async_mode(int cs, void __iomem *onenand_base) @@ -390,6 +398,8 @@ static int gpmc_onenand_setup(void __iomem *onenand_base, int *freq_ptr) void __init gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data) { + int err; + gpmc_onenand_data = _onenand_data; gpmc_onenand_data->onenand_setup = gpmc_onenand_setup; gpmc_onenand_device.dev.platform_data = gpmc_onenand_data; @@ -401,8 +411,19 @@ void __init gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data) gpmc_onenand_data->flags |= ONENAND_SYNC_READ; } + err = gpmc_cs_request(gpmc_onenand_data->cs, ONENAND_IO_SIZE, + (unsigned long *)&gpmc_onenand_resource.start); + if (err < 0) { + pr_err("%s: Cannot request GPMC CS\n", __func__); + return; + } + + gpmc_onenand_resource.end = gpmc_onenand_resource.start + + ONENAND_IO_SIZE - 1; + if (platform_device_register(&gpmc_onenand_device) < 0) { - printk(KERN_ERR "Unable to register OneNAND device\n"); + pr_err("%s: Unable to register OneNAND device\n", __func__); + gpmc_cs_free(gpmc_onenand_data->cs); return; } } |