From 9a3f39ff36e11ea6b6c8b5f90337a864cb7e81f6 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Mon, 25 Apr 2011 01:09:07 +0300 Subject: [PATCH] omap: move detection of NAND CS to common-board-devices and reduce amount of copy/paste Signed-off-by: Mike Rapoport CC: Oleg Drokin Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/board-devkit8000.c | 43 +--------------- arch/arm/mach-omap2/board-omap3beagle.c | 45 +---------------- arch/arm/mach-omap2/board-omap3touchbook.c | 45 +---------------- arch/arm/mach-omap2/board-overo.c | 42 +--------------- arch/arm/mach-omap2/common-board-devices.c | 57 ++++++++++++++++++++++ arch/arm/mach-omap2/common-board-devices.h | 11 +---- 6 files changed, 67 insertions(+), 176 deletions(-) diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 983f44b78777..e7dc057600d5 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -97,13 +97,6 @@ static struct mtd_partition devkit8000_nand_partitions[] = { }, }; -static struct omap_nand_platform_data devkit8000_nand_data = { - .options = NAND_BUSWIDTH_16, - .parts = devkit8000_nand_partitions, - .nr_parts = ARRAY_SIZE(devkit8000_nand_partitions), - .dma_channel = -1, /* disable DMA in OMAP NAND driver */ -}; - static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, @@ -516,39 +509,6 @@ static struct platform_device *devkit8000_devices[] __initdata = { &omap_dm9000_dev, }; -static void __init devkit8000_flash_init(void) -{ - u8 cs = 0; - u8 nandcs = GPMC_CS_NUM + 1; - - /* find out the chip-select on which NAND exists */ - while (cs < GPMC_CS_NUM) { - u32 ret = 0; - ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); - - if ((ret & 0xC00) == 0x800) { - printk(KERN_INFO "Found NAND on CS%d\n", cs); - if (nandcs > GPMC_CS_NUM) - nandcs = cs; - } - cs++; - } - - if (nandcs > GPMC_CS_NUM) { - printk(KERN_INFO "NAND: Unable to find configuration " - "in GPMC\n "); - return; - } - - if (nandcs < GPMC_CS_NUM) { - devkit8000_nand_data.cs = nandcs; - - printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); - if (gpmc_nand_init(&devkit8000_nand_data) < 0) - printk(KERN_ERR "Unable to register NAND device\n"); - } -} - static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_ULPI, .mode = MUSB_OTG, @@ -740,7 +700,8 @@ static void __init devkit8000_init(void) usb_musb_init(&musb_board_data); usbhs_init(&usbhs_bdata); - devkit8000_flash_init(); + omap_nand_flash_init(NAND_BUSWIDTH_16, devkit8000_nand_partitions, + ARRAY_SIZE(devkit8000_nand_partitions)); /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 13a16649d42c..ce3bc2d1164c 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -174,15 +174,6 @@ static struct mtd_partition omap3beagle_nand_partitions[] = { }, }; -static struct omap_nand_platform_data omap3beagle_nand_data = { - .options = NAND_BUSWIDTH_16, - .parts = omap3beagle_nand_partitions, - .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions), - .dma_channel = -1, /* disable DMA in OMAP NAND driver */ - .nand_setup = NULL, - .dev_ready = NULL, -}; - /* DSS */ static int beagle_enable_dvi(struct omap_dss_device *dssdev) @@ -542,39 +533,6 @@ static struct platform_device *omap3_beagle_devices[] __initdata = { &keys_gpio, }; -static void __init omap3beagle_flash_init(void) -{ - u8 cs = 0; - u8 nandcs = GPMC_CS_NUM + 1; - - /* find out the chip-select on which NAND exists */ - while (cs < GPMC_CS_NUM) { - u32 ret = 0; - ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); - - if ((ret & 0xC00) == 0x800) { - printk(KERN_INFO "Found NAND on CS%d\n", cs); - if (nandcs > GPMC_CS_NUM) - nandcs = cs; - } - cs++; - } - - if (nandcs > GPMC_CS_NUM) { - printk(KERN_INFO "NAND: Unable to find configuration " - "in GPMC\n "); - return; - } - - if (nandcs < GPMC_CS_NUM) { - omap3beagle_nand_data.cs = nandcs; - - printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); - if (gpmc_nand_init(&omap3beagle_nand_data) < 0) - printk(KERN_ERR "Unable to register NAND device\n"); - } -} - static const struct usbhs_omap_board_data usbhs_bdata __initconst = { .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, @@ -662,7 +620,8 @@ static void __init omap3_beagle_init(void) usb_musb_init(&musb_board_data); usbhs_init(&usbhs_bdata); - omap3beagle_flash_init(); + omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions, + ARRAY_SIZE(omap3beagle_nand_partitions)); /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c index 0a9b3299427a..d770802900b2 100644 --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c @@ -96,15 +96,6 @@ static struct mtd_partition omap3touchbook_nand_partitions[] = { }, }; -static struct omap_nand_platform_data omap3touchbook_nand_data = { - .options = NAND_BUSWIDTH_16, - .parts = omap3touchbook_nand_partitions, - .nr_parts = ARRAY_SIZE(omap3touchbook_nand_partitions), - .dma_channel = -1, /* disable DMA in OMAP NAND driver */ - .nand_setup = NULL, - .dev_ready = NULL, -}; - #include "sdram-micron-mt46h32m32lf-6.h" static struct omap2_hsmmc_info mmc[] = { @@ -396,39 +387,6 @@ static struct platform_device *omap3_touchbook_devices[] __initdata = { &keys_gpio, }; -static void __init omap3touchbook_flash_init(void) -{ - u8 cs = 0; - u8 nandcs = GPMC_CS_NUM + 1; - - /* find out the chip-select on which NAND exists */ - while (cs < GPMC_CS_NUM) { - u32 ret = 0; - ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); - - if ((ret & 0xC00) == 0x800) { - printk(KERN_INFO "Found NAND on CS%d\n", cs); - if (nandcs > GPMC_CS_NUM) - nandcs = cs; - } - cs++; - } - - if (nandcs > GPMC_CS_NUM) { - printk(KERN_INFO "NAND: Unable to find configuration " - "in GPMC\n "); - return; - } - - if (nandcs < GPMC_CS_NUM) { - omap3touchbook_nand_data.cs = nandcs; - - printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); - if (gpmc_nand_init(&omap3touchbook_nand_data) < 0) - printk(KERN_ERR "Unable to register NAND device\n"); - } -} - static const struct usbhs_omap_board_data usbhs_bdata __initconst = { .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, @@ -491,7 +449,8 @@ static void __init omap3_touchbook_init(void) omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata); usb_musb_init(&musb_board_data); usbhs_init(&usbhs_bdata); - omap3touchbook_flash_init(); + omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions, + ARRAY_SIZE(omap3touchbook_nand_partitions)); /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 809d3944f549..7ad2d7fea8d8 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -304,45 +304,6 @@ static struct mtd_partition overo_nand_partitions[] = { }, }; -static struct omap_nand_platform_data overo_nand_data = { - .parts = overo_nand_partitions, - .nr_parts = ARRAY_SIZE(overo_nand_partitions), - .dma_channel = -1, /* disable DMA in OMAP NAND driver */ -}; - -static void __init overo_flash_init(void) -{ - u8 cs = 0; - u8 nandcs = GPMC_CS_NUM + 1; - - /* find out the chip-select on which NAND exists */ - while (cs < GPMC_CS_NUM) { - u32 ret = 0; - ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); - - if ((ret & 0xC00) == 0x800) { - printk(KERN_INFO "Found NAND on CS%d\n", cs); - if (nandcs > GPMC_CS_NUM) - nandcs = cs; - } - cs++; - } - - if (nandcs > GPMC_CS_NUM) { - printk(KERN_INFO "NAND: Unable to find configuration " - "in GPMC\n "); - return; - } - - if (nandcs < GPMC_CS_NUM) { - overo_nand_data.cs = nandcs; - - printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); - if (gpmc_nand_init(&overo_nand_data) < 0) - printk(KERN_ERR "Unable to register NAND device\n"); - } -} - static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, @@ -604,7 +565,8 @@ static void __init overo_init(void) overo_i2c_init(); omap_display_init(&overo_dss_data); omap_serial_init(); - overo_flash_init(); + omap_nand_flash_init(0, overo_nand_partitions, + ARRAY_SIZE(overo_nand_partitions)); usb_musb_init(&musb_board_data); usbhs_init(&usbhs_bdata); overo_spi_init(); diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c index cea31dda3a73..e94903b2c65b 100644 --- a/arch/arm/mach-omap2/common-board-devices.c +++ b/arch/arm/mach-omap2/common-board-devices.c @@ -29,6 +29,7 @@ #include #include +#include #include "common-board-devices.h" @@ -49,6 +50,8 @@ void __init omap_pmic_init(int bus, u32 clkrate, omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1); } +#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ + defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) static struct omap2_mcspi_device_config ads7846_mcspi_config = { .turbo_mode = 0, .single_channel = 1, /* 0: slave, 1: master */ @@ -104,3 +107,57 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, spi_register_board_info(&ads7846_spi_board_info, 1); } +#else +void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, + struct ads7846_platform_data *board_pdata) +{ +} +#endif + +#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) +static struct omap_nand_platform_data nand_data = { + .dma_channel = -1, /* disable DMA in OMAP NAND driver */ +}; + +void __init omap_nand_flash_init(int options, struct mtd_partition *parts, + int nr_parts) +{ + u8 cs = 0; + u8 nandcs = GPMC_CS_NUM + 1; + + /* find out the chip-select on which NAND exists */ + while (cs < GPMC_CS_NUM) { + u32 ret = 0; + ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); + + if ((ret & 0xC00) == 0x800) { + printk(KERN_INFO "Found NAND on CS%d\n", cs); + if (nandcs > GPMC_CS_NUM) + nandcs = cs; + } + cs++; + } + + if (nandcs > GPMC_CS_NUM) { + printk(KERN_INFO "NAND: Unable to find configuration " + "in GPMC\n "); + return; + } + + if (nandcs < GPMC_CS_NUM) { + nand_data.cs = nandcs; + nand_data.parts = parts; + nand_data.nr_parts = nr_parts; + nand_data.options = options; + + printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); + if (gpmc_nand_init(&nand_data) < 0) + printk(KERN_ERR "Unable to register NAND device\n"); + } +} +#else +void __init omap_nand_flash_init(int options, struct mtd_partition *parts, + int nr_parts) +{ +} +#endif diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h index 0ec3e07239fc..eb80b3b0ef47 100644 --- a/arch/arm/mach-omap2/common-board-devices.h +++ b/arch/arm/mach-omap2/common-board-devices.h @@ -2,6 +2,7 @@ #define __OMAP_COMMON_BOARD_DEVICES__ struct twl4030_platform_data; +struct mtd_partition; void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq, struct twl4030_platform_data *pmic_data); @@ -25,18 +26,10 @@ static inline void omap4_pmic_init(const char *pmic_type, omap_pmic_init(1, 400, pmic_type, OMAP44XX_IRQ_SYS_1N, pmic_data); } -#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ - defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) struct ads7846_platform_data; void omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, struct ads7846_platform_data *board_pdata); -#else -static inline void omap_ads7846_init(int bus_num, - int gpio_pendown, int gpio_debounce, - struct ads7846_platform_data *board_data) -{ -} -#endif +void omap_nand_flash_init(int opts, struct mtd_partition *parts, int n_parts); #endif /* __OMAP_COMMON_BOARD_DEVICES__ */ -- GitLab