diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-08-03 13:59:46 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-10-01 11:33:03 +0400 |
| commit | 63a7c6d7507ed6f4ea24a8ed008efa1bb22a2a97 (patch) | |
| tree | 4824f195ebc2856bc9613624c31e5d5fac6de595 /arch/arm/plat-mxc | |
| parent | 00b57bf9786ca701508333112c8917d1e0860129 (diff) | |
| download | linux-63a7c6d7507ed6f4ea24a8ed008efa1bb22a2a97.tar.xz | |
ARM: mx5: dynamically register mxc-nand device
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/devices/platform-mxc_nand.c | 23 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/devices-common.h | 7 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mx51.h | 2 |
3 files changed, 30 insertions, 2 deletions
diff --git a/arch/arm/plat-mxc/devices/platform-mxc_nand.c b/arch/arm/plat-mxc/devices/platform-mxc_nand.c index 6d3a4785f95b..3fdcc32e3d67 100644 --- a/arch/arm/plat-mxc/devices/platform-mxc_nand.c +++ b/arch/arm/plat-mxc/devices/platform-mxc_nand.c @@ -17,6 +17,15 @@ .irq = soc ## _INT_NFC \ } +#define imx_mxc_nandv3_data_entry_single(soc, _size) \ + { \ + .id = -1, \ + .iobase = soc ## _NFC_BASE_ADDR, \ + .iosize = _size, \ + .axibase = soc ## _NFC_AXI_BASE_ADDR, \ + .irq = soc ## _INT_NFC \ + } + #ifdef CONFIG_SOC_IMX21 const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst = imx_mxc_nand_data_entry_single(MX21, SZ_4K); @@ -42,12 +51,22 @@ const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst = imx_mxc_nand_data_entry_single(MX35, SZ_8K); #endif +#ifdef CONFIG_ARCH_MX51 +const struct imx_mxc_nand_data imx51_mxc_nand_data __initconst = + imx_mxc_nandv3_data_entry_single(MX51, SZ_16K); +#endif + struct platform_device *__init imx_add_mxc_nand( const struct imx_mxc_nand_data *data, const struct mxc_nand_platform_data *pdata) { + /* AXI has to come first, that's how the mxc_nand driver expect it */ struct resource res[] = { { + .start = data->axibase, + .end = data->axibase + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, { .start = data->iobase, .end = data->iobase + data->iosize - 1, .flags = IORESOURCE_MEM, @@ -57,6 +76,8 @@ struct platform_device *__init imx_add_mxc_nand( .flags = IORESOURCE_IRQ, }, }; - return imx_add_platform_device("mxc_nand", 0, res, ARRAY_SIZE(res), + return imx_add_platform_device("mxc_nand", data->id, + res + !data->axibase, + ARRAY_SIZE(res) - !data->axibase, pdata, sizeof(*pdata)); } diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h index 371336ee9d7f..f87aa1ad6685 100644 --- a/arch/arm/plat-mxc/include/mach/devices-common.h +++ b/arch/arm/plat-mxc/include/mach/devices-common.h @@ -71,8 +71,15 @@ struct platform_device *__init imx_add_imx_uart_1irq( #include <mach/mxc_nand.h> struct imx_mxc_nand_data { + /* + * id is traditionally 0, but -1 is more appropriate. We use -1 for new + * machines but don't change existing devices as the nand device usually + * appears in the kernel command line to pass its partitioning. + */ + int id; resource_size_t iobase; resource_size_t iosize; + resource_size_t axibase; resource_size_t irq; }; struct platform_device *__init imx_add_mxc_nand( diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h index b47d65b1c112..c99eeab6fe09 100644 --- a/arch/arm/plat-mxc/include/mach/mx51.h +++ b/arch/arm/plat-mxc/include/mach/mx51.h @@ -287,7 +287,7 @@ #define MX51_MXC_INT_RESV5 5 #define MX51_MXC_INT_SDMA 6 #define MX51_MXC_INT_IOMUX 7 -#define MX51_MXC_INT_NFC 8 +#define MX51_INT_NFC 8 #define MX51_MXC_INT_VPU 9 #define MX51_MXC_INT_IPU_ERR 10 #define MX51_MXC_INT_IPU_SYN 11 |