Message ID | 1346693799.3485.2.camel@taehun-desktop (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Mon, Sep 3, 2012 at 8:36 PM, Taehun Kim <kth3321@gmail.com> wrote: > This patch adds WIZnet W5300E01 board changed to the new gpio functions. > Please review this patch and apply it if do not have any problems. > > Signed-off-by: Taehun Kim <kth3321@gmail.com> > --- > arch/arm/mach-s3c24xx/Kconfig | 5 + > arch/arm/mach-s3c24xx/Makefile | 1 + > arch/arm/mach-s3c24xx/mach-w5300e01.c | 186 > +++++++++++++++++++++++++++++++++ > 3 files changed, 192 insertions(+) > create mode 100644 arch/arm/mach-s3c24xx/mach-w5300e01.c > > diff --git a/arch/arm/mach-s3c24xx/Kconfig > b/arch/arm/mach-s3c24xx/Kconfig > index d56b0f7..94b60ca 100644 > --- a/arch/arm/mach-s3c24xx/Kconfig > +++ b/arch/arm/mach-s3c24xx/Kconfig > @@ -248,6 +248,11 @@ config MACH_VR1000 > help > Say Y here if you are using the Thorcom VR1000 board. > > +config MACH_W5300E01 > + bool "WIZnet W5300E01-ARM Board" > + help > + Say Y here if you are using the Wiznet W5300E01-ARM board. > + > endif # CPU_S3C2410 > > config S3C2412_PM_SLEEP > diff --git a/arch/arm/mach-s3c24xx/Makefile > b/arch/arm/mach-s3c24xx/Makefile > index 0ab6ab1..fc1a89e 100644 > --- a/arch/arm/mach-s3c24xx/Makefile > +++ b/arch/arm/mach-s3c24xx/Makefile > @@ -61,6 +61,7 @@ obj-$(CONFIG_MACH_QT2410) += mach-qt2410.o > obj-$(CONFIG_ARCH_SMDK2410) += mach-smdk2410.o > obj-$(CONFIG_MACH_TCT_HAMMER) += mach-tct_hammer.o > obj-$(CONFIG_MACH_VR1000) += mach-vr1000.o > +obj-$(CONFIG_MACH_W5300E01) += mach-w5300e01.o > > obj-$(CONFIG_MACH_JIVE) += mach-jive.o > obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o > diff --git a/arch/arm/mach-s3c24xx/mach-w5300e01.c > b/arch/arm/mach-s3c24xx/mach-w5300e01.c > new file mode 100644 > index 0000000..7daf82e > --- /dev/null > +++ b/arch/arm/mach-s3c24xx/mach-w5300e01.c > @@ -0,0 +1,186 @@ > +/* linux/arch/arm/mach-s3c24xx/mach-w5300e01.c > + * > + * Copyright (c) 2012 Taehun Kim <kth3321@gmail.com> > + * > + * For product information, visit http://www.wiznet.co.kr/ > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + * @History: > + * derived from linux/arch/arm/mach-s3c24xx/mach-bast.c, written by > + * Ben Dooks <ben@simtec.co.uk> > + */ > + > +#include <linux/kernel.h> > +#include <linux/types.h> > +#include <linux/interrupt.h> > +#include <linux/list.h> > +#include <linux/timer.h> > +#include <linux/init.h> > +#include <linux/serial_core.h> > +#include <linux/platform_device.h> > +#include <linux/gpio.h> > +#include <linux/io.h> > +#include <linux/mtd/mtd.h> > +#include <linux/mtd/nand.h> > +#include <linux/mtd/map.h> > +#include <linux/mtd/partitions.h> > + > +#include <asm/mach/arch.h> > +#include <asm/mach/map.h> > +#include <asm/mach/irq.h> > +#include <asm/mach-types.h> > + > +#include <mach/regs-gpio.h> > +#include <plat/gpio-cfg.h> > +#include <plat/cpu.h> > +#include <plat/devs.h> > +#include <plat/regs-serial.h> > +#include <plat/nand.h> > +#include <plat/pm.h> > + > +static struct map_desc w5300e01_iodesc[] __initdata = { > + /* Character LCD register map. */ > + { 0xf8000000, __phys_to_pfn(S3C2410_CS3), SZ_1M, MT_DEVICE } > +}; > + > +#define UCON S3C2410_UCON_DEFAULT > +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | > S3C2410_LCON_STOPB) > +#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) > + > +static struct s3c2410_uartcfg w5300e01_uartcfgs[] __initdata = { > + [0] = { > + .hwport = 0, > + .flags = 0, > + .ucon = UCON, > + .ulcon = ULCON, > + .ufcon = UFCON, > + }, > + [1] = { > + .hwport = 1, > + .flags = 0, > + .ucon = UCON, > + .ulcon = ULCON, > + .ufcon = UFCON, > + }, > + [2] = { > + .hwport = 2, > + .flags = 0, > + .ucon = UCON, > + .ulcon = ULCON, > + .ufcon = UFCON, > + } > +}; > + > +static struct mtd_partition w5300e01_mtd_partitions[] = { > + [0] = { > + .name = "Bootloader", > + .size = 0x20000, > + .offset = 0, > + .mask_flags = MTD_WRITEABLE, > + }, > + [1] = { > + .name = "Boot Param", > + .size = 0x20000, > + .offset = MTDPART_OFS_APPEND, > + }, > + [2] = { > + .name = "Kernel", > + .size = 0x3C0000, > + .offset = MTDPART_OFS_APPEND, > + }, > + [3] = { > + .name = "Ramdisk", > + .size = 0x1000000, > + .offset = MTDPART_OFS_APPEND, > + }, > + [4] = { > + .name = "JFFS2 FileSystem", > + .size = MTDPART_SIZ_FULL, > + .offset = MTDPART_OFS_APPEND, > + }, > +}; > + > +static struct resource w5300_resources[] = { > + [0] = { > + .start = S3C2410_CS2, > + .end = S3C2410_CS2 + SZ_1M, > + .flags = IORESOURCE_MEM, > + }, > + [1] = { > + .start = IRQ_EINT0, > + .end = IRQ_EINT0, > + .flags = IORESOURCE_IRQ, > + }, > +}; > + > +static struct platform_device w5300_device = { > + .name = "w5300", > + .num_resources = ARRAY_SIZE(w5300_resources), > + .resource = w5300_resources, > +}; > + > +static struct s3c2410_nand_set w5300e01_nand_sets[] = { > + [0] = { > + .name = "W5300E01", > + .nr_chips = 1, > + .nr_partitions = ARRAY_SIZE(w5300e01_mtd_partitions), > + .partitions = w5300e01_mtd_partitions, > + }, > +}; > + > +static struct s3c2410_platform_nand w5300e01_nand_info = { > + .tacls = 20, > + .twrph0 = 60, > + .twrph1 = 30, > + .nr_sets = ARRAY_SIZE(w5300e01_nand_sets), > + .sets = w5300e01_nand_sets, > +}; > + > +static struct platform_device *w5300e01_devices[] __initdata = { > + &s3c_device_nand, > + &s3c_device_usbgadget, > + &s3c_device_wdt, > + &s3c_device_i2c0, > + &s3c_device_iis, > + &w5300_device, > +}; > + > +static void __init w5300e01_map_io(void) > +{ > + s3c24xx_init_io(w5300e01_iodesc, ARRAY_SIZE(w5300e01_iodesc)); > + s3c24xx_init_clocks(0); > + s3c24xx_init_uarts(w5300e01_uartcfgs, ARRAY_SIZE(w5300e01_uartcfgs)); > +} > + > +static void __init w5300e01_init(void) > +{ > + s3c_nand_set_platdata(&w5300e01_nand_info); > + platform_add_devices(w5300e01_devices, ARRAY_SIZE(w5300e01_devices)); > + > + /* W5300 interrupt pin. */ > + s3c_gpio_cfgpin(S3C2410_GPF(0), S3C2410_GPIO_IRQ); > + > + s3c_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT); > + s3c_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT); > + s3c_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT); > + s3c_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT); > + > + gpio_set_value(S3C2410_GPF(0), 1); > + gpio_set_value(S3C2410_GPF(4), 1); > + gpio_set_value(S3C2410_GPF(5), 1); > + gpio_set_value(S3C2410_GPF(6), 1); > + gpio_set_value(S3C2410_GPF(7), 1); You need to call gpio_request() (or gpio_request_{one,array}) before using pin. Please look at Documentation/gpio.txt > + s3c_pm_init(); > +} > + > +MACHINE_START(W5300E01, "WIZnet W5300E01-ARM") > + .atag_offset = S3C2410_SDRAM_PA + 0x100, > + .map_io = w5300e01_map_io, > + .init_irq = s3c24xx_init_irq, > + .init_machine = w5300e01_init, > + .timer = &s3c24xx_timer, > +MACHINE_END > -- > 1.7.9.5 Regards Vasily
On 09/03/2012 07:36 PM, Taehun Kim wrote: > +static void __init w5300e01_init(void) > +{ > + s3c_nand_set_platdata(&w5300e01_nand_info); > + platform_add_devices(w5300e01_devices, ARRAY_SIZE(w5300e01_devices)); > + > + /* W5300 interrupt pin. */ > + s3c_gpio_cfgpin(S3C2410_GPF(0), S3C2410_GPIO_IRQ); > + > + s3c_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT); > + s3c_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT); > + s3c_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT); > + s3c_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT); Please don't use these obsolete S3C2410_GPIO_* defines, they will be gone soon, if aren't yet. > + gpio_set_value(S3C2410_GPF(0), 1); > + gpio_set_value(S3C2410_GPF(4), 1); > + gpio_set_value(S3C2410_GPF(5), 1); > + gpio_set_value(S3C2410_GPF(6), 1); > + gpio_set_value(S3C2410_GPF(7), 1); Instead I would do something like: 8<----------------------------------------------------------------- static const struct gpio gpios[] = { { S3C2410_GPF(4), GPIOF_OUT_INIT_HIGH, NULL }, { S3C2410_GPF(5), GPIOF_OUT_INIT_HIGH, NULL }, { S3C2410_GPF(6), GPIOF_OUT_INIT_HIGH, NULL }, { S3C2410_GPF(7), GPIOF_OUT_INIT_HIGH, NULL }, }; if (!WARN_ON(gpio_request_array(gpios, ARRAY_SIZE(gpios))) gpios_free_array(gpios); /* W5300 interrupt pin. */ if (!WARN_ON(gpio_request(S3C2410_GPF(0), GPIOF_IN, NULL))) { s3c_gpio_cfgpin(S3C2410_GPF(0), S3C_GPIO_SFN(2)); /* EINT0 */ gpio_free(S3C2410_GPF(0)); } 8<----------------------------------------------------------------- -- Regards, Sylwester
2012/9/4 Sylwester Nawrocki <sylvester.nawrocki@gmail.com>: > On 09/03/2012 07:36 PM, Taehun Kim wrote: >> +static void __init w5300e01_init(void) >> +{ >> + s3c_nand_set_platdata(&w5300e01_nand_info); >> + platform_add_devices(w5300e01_devices, ARRAY_SIZE(w5300e01_devices)); >> + >> + /* W5300 interrupt pin. */ >> + s3c_gpio_cfgpin(S3C2410_GPF(0), S3C2410_GPIO_IRQ); >> + >> + s3c_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT); >> + s3c_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT); >> + s3c_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT); >> + s3c_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT); > > Please don't use these obsolete S3C2410_GPIO_* defines, they will be > gone soon, if aren't yet. > >> + gpio_set_value(S3C2410_GPF(0), 1); >> + gpio_set_value(S3C2410_GPF(4), 1); >> + gpio_set_value(S3C2410_GPF(5), 1); >> + gpio_set_value(S3C2410_GPF(6), 1); >> + gpio_set_value(S3C2410_GPF(7), 1); > > Instead I would do something like: > > 8<----------------------------------------------------------------- > > static const struct gpio gpios[] = { > { S3C2410_GPF(4), GPIOF_OUT_INIT_HIGH, NULL }, > { S3C2410_GPF(5), GPIOF_OUT_INIT_HIGH, NULL }, > { S3C2410_GPF(6), GPIOF_OUT_INIT_HIGH, NULL }, > { S3C2410_GPF(7), GPIOF_OUT_INIT_HIGH, NULL }, > }; > > if (!WARN_ON(gpio_request_array(gpios, ARRAY_SIZE(gpios))) > gpios_free_array(gpios); > > /* W5300 interrupt pin. */ > if (!WARN_ON(gpio_request(S3C2410_GPF(0), GPIOF_IN, NULL))) { > s3c_gpio_cfgpin(S3C2410_GPF(0), S3C_GPIO_SFN(2)); /* EINT0 */ > gpio_free(S3C2410_GPF(0)); > } > > 8<----------------------------------------------------------------- > > -- > > Regards, > Sylwester Thank you for your feedback. I will change the gpio routine as follows: ----------------------------------------------------------------- static const struct gpio w5300e01_gpios[] = { { S3C2410_GPF(4), GPIOF_OUT_INIT_HIGH, NULL }, { S3C2410_GPF(5), GPIOF_OUT_INIT_HIGH, NULL }, { S3C2410_GPF(6), GPIOF_OUT_INIT_HIGH, NULL }, { S3C2410_GPF(7), GPIOF_OUT_INIT_HIGH, NULL }, }; static void __init w5300_init(void) { /* W5300 interrupt pin. */ if (WARN_ON(gpio_request(S3C2410_GPF(0), "W5300 irq"))) { pr_err("%s: GPIO request failed.\n", __func__); return; } s3c_gpio_cfgpin(S3C2410_GPF(0), S3C_GPIO_SFN(2)); /* EINT0 */ } static void __init w5300e01_init(void) { s3c_nand_set_platdata(&w5300e01_nand_info); platform_add_devices(w5300e01_devices, ARRAY_SIZE(w5300e01_devices)); if (WARN_ON(gpio_request_array(w5300e01_gpios, ARRAY_SIZE(w5300e01_gpios)))) pr_err("%s: GPIO request failed\n", __func__); w5300_init(); s3c_pm_init(); } ----------------------------------------------------------------- Does anybody have a other comments?
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index d56b0f7..94b60ca 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -248,6 +248,11 @@ config MACH_VR1000 help Say Y here if you are using the Thorcom VR1000 board. +config MACH_W5300E01 + bool "WIZnet W5300E01-ARM Board" + help + Say Y here if you are using the Wiznet W5300E01-ARM board. + endif # CPU_S3C2410 config S3C2412_PM_SLEEP diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile index 0ab6ab1..fc1a89e 100644 --- a/arch/arm/mach-s3c24xx/Makefile +++ b/arch/arm/mach-s3c24xx/Makefile @@ -61,6 +61,7 @@ obj-$(CONFIG_MACH_QT2410) += mach-qt2410.o obj-$(CONFIG_ARCH_SMDK2410) += mach-smdk2410.o obj-$(CONFIG_MACH_TCT_HAMMER) += mach-tct_hammer.o obj-$(CONFIG_MACH_VR1000) += mach-vr1000.o +obj-$(CONFIG_MACH_W5300E01) += mach-w5300e01.o obj-$(CONFIG_MACH_JIVE) += mach-jive.o obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o diff --git a/arch/arm/mach-s3c24xx/mach-w5300e01.c b/arch/arm/mach-s3c24xx/mach-w5300e01.c new file mode 100644 index 0000000..7daf82e --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-w5300e01.c @@ -0,0 +1,186 @@ +/* linux/arch/arm/mach-s3c24xx/mach-w5300e01.c + * + * Copyright (c) 2012 Taehun Kim <kth3321@gmail.com> + * + * For product information, visit http://www.wiznet.co.kr/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * @History: + * derived from linux/arch/arm/mach-s3c24xx/mach-bast.c, written by + * Ben Dooks <ben@simtec.co.uk> + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/io.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-gpio.h> +#include <plat/gpio-cfg.h> +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/regs-serial.h> +#include <plat/nand.h> +#include <plat/pm.h> + +static struct map_desc w5300e01_iodesc[] __initdata = { + /* Character LCD register map. */ + { 0xf8000000, __phys_to_pfn(S3C2410_CS3), SZ_1M, MT_DEVICE } +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) +#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) + +static struct s3c2410_uartcfg w5300e01_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + +static struct mtd_partition w5300e01_mtd_partitions[] = { + [0] = { + .name = "Bootloader", + .size = 0x20000, + .offset = 0, + .mask_flags = MTD_WRITEABLE, + }, + [1] = { + .name = "Boot Param", + .size = 0x20000, + .offset = MTDPART_OFS_APPEND, + }, + [2] = { + .name = "Kernel", + .size = 0x3C0000, + .offset = MTDPART_OFS_APPEND, + }, + [3] = { + .name = "Ramdisk", + .size = 0x1000000, + .offset = MTDPART_OFS_APPEND, + }, + [4] = { + .name = "JFFS2 FileSystem", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + }, +}; + +static struct resource w5300_resources[] = { + [0] = { + .start = S3C2410_CS2, + .end = S3C2410_CS2 + SZ_1M, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_EINT0, + .end = IRQ_EINT0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device w5300_device = { + .name = "w5300", + .num_resources = ARRAY_SIZE(w5300_resources), + .resource = w5300_resources, +}; + +static struct s3c2410_nand_set w5300e01_nand_sets[] = { + [0] = { + .name = "W5300E01", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(w5300e01_mtd_partitions), + .partitions = w5300e01_mtd_partitions, + }, +}; + +static struct s3c2410_platform_nand w5300e01_nand_info = { + .tacls = 20, + .twrph0 = 60, + .twrph1 = 30, + .nr_sets = ARRAY_SIZE(w5300e01_nand_sets), + .sets = w5300e01_nand_sets, +}; + +static struct platform_device *w5300e01_devices[] __initdata = { + &s3c_device_nand, + &s3c_device_usbgadget, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &w5300_device, +}; + +static void __init w5300e01_map_io(void) +{ + s3c24xx_init_io(w5300e01_iodesc, ARRAY_SIZE(w5300e01_iodesc)); + s3c24xx_init_clocks(0); + s3c24xx_init_uarts(w5300e01_uartcfgs, ARRAY_SIZE(w5300e01_uartcfgs)); +} + +static void __init w5300e01_init(void) +{ + s3c_nand_set_platdata(&w5300e01_nand_info); + platform_add_devices(w5300e01_devices, ARRAY_SIZE(w5300e01_devices)); + + /* W5300 interrupt pin. */ + s3c_gpio_cfgpin(S3C2410_GPF(0), S3C2410_GPIO_IRQ); + + s3c_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT); + + gpio_set_value(S3C2410_GPF(0), 1); + gpio_set_value(S3C2410_GPF(4), 1); + gpio_set_value(S3C2410_GPF(5), 1); + gpio_set_value(S3C2410_GPF(6), 1); + gpio_set_value(S3C2410_GPF(7), 1); + + s3c_pm_init(); +} + +MACHINE_START(W5300E01, "WIZnet W5300E01-ARM") + .atag_offset = S3C2410_SDRAM_PA + 0x100, + .map_io = w5300e01_map_io, + .init_irq = s3c24xx_init_irq, + .init_machine = w5300e01_init, + .timer = &s3c24xx_timer,
This patch adds WIZnet W5300E01 board changed to the new gpio functions. Please review this patch and apply it if do not have any problems. Signed-off-by: Taehun Kim <kth3321@gmail.com> --- arch/arm/mach-s3c24xx/Kconfig | 5 + arch/arm/mach-s3c24xx/Makefile | 1 + arch/arm/mach-s3c24xx/mach-w5300e01.c | 186 +++++++++++++++++++++++++++++++++ 3 files changed, 192 insertions(+) create mode 100644 arch/arm/mach-s3c24xx/mach-w5300e01.c +MACHINE_END