ARM: nomadik: delete old board files

The Device Tree support on Nomadik can do everything the old board
files could do, so delete the old board files and make the nomadik
select CONFIG_OF.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/Kconfig

@@ -899,10 +899,12 @@ config ARCH_NOMADIK
 	select ARCH_REQUIRE_GPIOLIB
 	select ARM_AMBA
 	select ARM_VIC
+	select CLKSRC_NOMADIK_MTU
 	select COMMON_CLK
 	select CPU_ARM926T
 	select GENERIC_CLOCKEVENTS
 	select MIGHT_HAVE_CACHE_L2X0
+	select OF
 	select PINCTRL
 	select PINCTRL_STN8815
 	select SPARSE_IRQ

arch/arm/mach-nomadik/Kconfig

@@ -4,19 +4,13 @@ menu "Nomadik boards"
 
 config MACH_NOMADIK_8815NHK
 	bool "ST 8815 Nomadik Hardware Kit (evaluation board)"
-	select CLKSRC_NOMADIK_MTU
 	select NOMADIK_8815
+	select I2C
+	select I2C_ALGOBIT
 
 endmenu
 
 config NOMADIK_8815
 	bool
 
-config I2C_BITBANG_8815NHK
-	tristate "Driver for bit-bang busses found on the 8815 NHK"
-	depends on I2C && MACH_NOMADIK_8815NHK
-	depends on PINCTRL_NOMADIK
-	default y
-	select I2C_ALGOBIT
-
 endif

arch/arm/mach-nomadik/Makefile

@@ -9,9 +9,3 @@
 
 # Cpu revision
 obj-$(CONFIG_NOMADIK_8815) += cpu-8815.o
-
-# Specific board support
-obj-$(CONFIG_MACH_NOMADIK_8815NHK) += board-nhk8815.o
-
-# Nomadik extra devices
-obj-$(CONFIG_I2C_BITBANG_8815NHK) += i2c-8815nhk.o

arch/arm/mach-nomadik/board-nhk8815.c

@@ -1,322 +0,0 @@
-/*
- *  linux/arch/arm/mach-nomadik/board-8815nhk.c
- *
- *  Copyright (C) STMicroelectronics
- *
- * 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.
- *
- *  NHK15 board specifc driver definition
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/mmci.h>
-#include <linux/interrupt.h>
-#include <linux/gpio.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/fsmc.h>
-#include <linux/mtd/onenand.h>
-#include <linux/mtd/partitions.h>
-#include <linux/i2c.h>
-#include <linux/io.h>
-#include <linux/platform_data/clocksource-nomadik-mtu.h>
-#include <asm/sizes.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-#include <asm/mach/time.h>
-#include <mach/irqs.h>
-
-#include "cpu-8815.h"
-
-/* Initial value for SRC control register: all timers use MXTAL/8 source */
-#define SRC_CR_INIT_MASK	0x00007fff
-#define SRC_CR_INIT_VAL		0x2aaa8000
-
-#define ALE_OFF 0x1000000
-#define CLE_OFF 0x800000
-
-/* These addresses span 16MB, so use three individual pages */
-static struct resource nhk8815_nand_resources[] = {
-	{
-		.name = "nand_data",
-		.start = 0x40000000,
-		.end = 0x40000000 + SZ_16K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.name = "nand_addr",
-		.start = 0x40000000 + ALE_OFF,
-		.end = 0x40000000 +ALE_OFF + SZ_16K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.name = "nand_cmd",
-		.start = 0x40000000 + CLE_OFF,
-		.end = 0x40000000 + CLE_OFF + SZ_16K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.name  = "fsmc_regs",
-		.start = NOMADIK_FSMC_BASE,
-		.end   = NOMADIK_FSMC_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-/*
- * These partitions are the same as those used in the 2.6.20 release
- * shipped by the vendor; the first two partitions are mandated
- * by the boot ROM, and the bootloader area is somehow oversized...
- */
-static struct mtd_partition nhk8815_partitions[] = {
-	{
-		.name	= "X-Loader(NAND)",
-		.offset = 0,
-		.size	= SZ_256K,
-	}, {
-		.name	= "MemInit(NAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= SZ_256K,
-	}, {
-		.name	= "BootLoader(NAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= SZ_2M,
-	}, {
-		.name	= "Kernel zImage(NAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= 3 * SZ_1M,
-	}, {
-		.name	= "Root Filesystem(NAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= 22 * SZ_1M,
-	}, {
-		.name	= "User Filesystem(NAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= MTDPART_SIZ_FULL,
-	}
-};
-
-static struct fsmc_nand_timings nhk8815_nand_timings = {
-	.thiz	= 0,
-	.thold	= 0x10,
-	.twait	= 0x0A,
-	.tset	= 0,
-};
-
-static struct fsmc_nand_platform_data nhk8815_nand_platform_data = {
-	.nand_timings = &nhk8815_nand_timings,
-	.partitions = nhk8815_partitions,
-	.nr_partitions = ARRAY_SIZE(nhk8815_partitions),
-	.width = FSMC_NAND_BW8,
-};
-
-static struct platform_device nhk8815_nand_device = {
-	.name = "fsmc-nand",
-	.id = -1,
-	.resource = nhk8815_nand_resources,
-	.num_resources = ARRAY_SIZE(nhk8815_nand_resources),
-	.dev = {
-		.platform_data = &nhk8815_nand_platform_data,
-	},
-};
-
-/* These are the partitions for the OneNand device, different from above */
-static struct mtd_partition nhk8815_onenand_partitions[] = {
-	{
-		.name	= "X-Loader(OneNAND)",
-		.offset = 0,
-		.size	= SZ_256K,
-	}, {
-		.name	= "MemInit(OneNAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= SZ_256K,
-	}, {
-		.name	= "BootLoader(OneNAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= SZ_2M-SZ_256K,
-	}, {
-		.name	= "SysImage(OneNAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= 4 * SZ_1M,
-	}, {
-		.name	= "Root Filesystem(OneNAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= 22 * SZ_1M,
-	}, {
-		.name	= "User Filesystem(OneNAND)",
-		.offset	= MTDPART_OFS_APPEND,
-		.size	= MTDPART_SIZ_FULL,
-	}
-};
-
-static struct onenand_platform_data nhk8815_onenand_data = {
-	.parts		= nhk8815_onenand_partitions,
-	.nr_parts	= ARRAY_SIZE(nhk8815_onenand_partitions),
-};
-
-static struct resource nhk8815_onenand_resource[] = {
-	{
-		.start		= 0x30000000,
-		.end		= 0x30000000 + SZ_128K - 1,
-		.flags		= IORESOURCE_MEM,
-	},
-};
-
-static struct platform_device nhk8815_onenand_device = {
-	.name		= "onenand-flash",
-	.id		= -1,
-	.dev		= {
-		.platform_data	= &nhk8815_onenand_data,
-	},
-	.resource	= nhk8815_onenand_resource,
-	.num_resources	= ARRAY_SIZE(nhk8815_onenand_resource),
-};
-
-/* bus control reg. and bus timing reg. for CS0..CS3 */
-#define FSMC_BCR(x)	(NOMADIK_FSMC_VA + (x << 3))
-#define FSMC_BTR(x)	(NOMADIK_FSMC_VA + (x << 3) + 0x04)
-
-static void __init nhk8815_onenand_init(void)
-{
-#ifdef CONFIG_MTD_ONENAND
-       /* Set up SMCS0 for OneNand */
-	writel(0x000030db, FSMC_BCR(0));
-	writel(0x02100551, FSMC_BTR(0));
-#endif
-}
-
-static struct mmci_platform_data mmcsd_plat_data = {
-	.ocr_mask = MMC_VDD_29_30,
-	.f_max = 48000000,
-	.gpio_wp = -1,
-	.gpio_cd = 111,
-	.cd_invert = true,
-	.capabilities = MMC_CAP_MMC_HIGHSPEED |
-	MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA,
-};
-
-static int __init nhk8815_mmcsd_init(void)
-{
-	int ret;
-
-	/* For e.g. devicetree boot */
-	if (!machine_is_nomadik())
-		return 0;
-
-	ret = gpio_request(112, "card detect bias");
-	if (ret)
-		return ret;
-	gpio_direction_output(112, 0);
-	amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180);
-	return 0;
-}
-module_init(nhk8815_mmcsd_init);
-
-static struct resource nhk8815_eth_resources[] = {
-	{
-		.name = "smc91x-regs",
-		.start = 0x34000000 + 0x300,
-		.end = 0x34000000 + SZ_64K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = NOMADIK_GPIO_TO_IRQ(115),
-		.end = NOMADIK_GPIO_TO_IRQ(115),
-		.flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
-	}
-};
-
-static struct platform_device nhk8815_eth_device = {
-	.name = "smc91x",
-	.resource = nhk8815_eth_resources,
-	.num_resources = ARRAY_SIZE(nhk8815_eth_resources),
-};
-
-static int __init nhk8815_eth_init(void)
-{
-	int gpio_nr = 115; /* hardwired in the board */
-	int err;
-
-	if (!machine_is_nomadik())
-		return 0;
-	err = gpio_request(gpio_nr, "eth_irq");
-	if (!err) err = gpio_direction_input(gpio_nr);
-	if (err)
-		pr_err("Error %i in %s\n", err, __func__);
-	return err;
-}
-device_initcall(nhk8815_eth_init);
-
-static struct platform_device *nhk8815_platform_devices[] __initdata = {
-	&nhk8815_nand_device,
-	&nhk8815_onenand_device,
-	&nhk8815_eth_device,
-	/* will add more devices */
-};
-
-static void __init nomadik_timer_init(void)
-{
-	u32 src_cr;
-
-	/* Configure timer sources in "system reset controller" ctrl reg */
-	src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
-	src_cr &= SRC_CR_INIT_MASK;
-	src_cr |= SRC_CR_INIT_VAL;
-	writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
-
-	nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE), IRQ_MTU0);
-}
-
-static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = {
-	{
-		I2C_BOARD_INFO("stw4811", 0x2d),
-	},
-};
-
-static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = {
-	{
-		I2C_BOARD_INFO("camera", 0x10),
-	},
-	{
-		I2C_BOARD_INFO("stw5095", 0x1a),
-	},
-	{
-		I2C_BOARD_INFO("lis3lv02dl", 0x1d),
-	},
-};
-
-static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = {
-	{
-		I2C_BOARD_INFO("stw4811-usb", 0x2d),
-	},
-};
-
-static void __init nhk8815_platform_init(void)
-{
-	cpu8815_platform_init();
-	nhk8815_onenand_init();
-	platform_add_devices(nhk8815_platform_devices,
-			     ARRAY_SIZE(nhk8815_platform_devices));
-
-	amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
-	amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
-
-	i2c_register_board_info(0, nhk8815_i2c0_devices,
-				ARRAY_SIZE(nhk8815_i2c0_devices));
-	i2c_register_board_info(1, nhk8815_i2c1_devices,
-				ARRAY_SIZE(nhk8815_i2c1_devices));
-	i2c_register_board_info(2, nhk8815_i2c2_devices,
-				ARRAY_SIZE(nhk8815_i2c2_devices));
-}
-
-MACHINE_START(NOMADIK, "NHK8815")
-	/* Maintainer: ST MicroElectronics */
-	.atag_offset	= 0x100,
-	.map_io		= cpu8815_map_io,
-	.init_irq	= cpu8815_init_irq,
-	.init_time	= nomadik_timer_init,
-	.init_machine	= nhk8815_platform_init,
-	.restart	= cpu8815_restart,
-MACHINE_END

arch/arm/mach-nomadik/cpu-8815.c

@@ -48,53 +48,6 @@
 #include <asm/cacheflush.h>
 #include <asm/hardware/cache-l2x0.h>
 
-#include "cpu-8815.h"
-
-/* The 8815 has 4 GPIO blocks, let's register them immediately */
-static resource_size_t __initdata cpu8815_gpio_base[] = {
-	NOMADIK_GPIO0_BASE,
-	NOMADIK_GPIO1_BASE,
-	NOMADIK_GPIO2_BASE,
-	NOMADIK_GPIO3_BASE,
-};
-
-static struct platform_device *
-cpu8815_add_gpio(int id, resource_size_t addr, int irq,
-		 struct nmk_gpio_platform_data *pdata)
-{
-	struct resource resources[] = {
-		{
-			.start	= addr,
-			.end	= addr + 127,
-			.flags	= IORESOURCE_MEM,
-		},
-		{
-			.start	= irq,
-			.end	= irq,
-			.flags	= IORESOURCE_IRQ,
-		}
-	};
-
-	return platform_device_register_resndata(NULL, "gpio", id,
-				resources, ARRAY_SIZE(resources),
-				pdata, sizeof(*pdata));
-}
-
-void cpu8815_add_gpios(resource_size_t *base, int num, int irq,
-		       struct nmk_gpio_platform_data *pdata)
-{
-	int first = 0;
-	int i;
-
-	for (i = 0; i < num; i++, first += 32, irq++) {
-		pdata->first_gpio = first;
-		pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
-		pdata->num_gpio = 32;
-
-		cpu8815_add_gpio(i, base[i], irq, pdata);
-	}
-}
-
 static unsigned long out_low[] = { PIN_OUTPUT_LOW };
 static unsigned long out_high[] = { PIN_OUTPUT_HIGH };
 static unsigned long in_nopull[] = { PIN_INPUT_NOPULL };
@@ -137,38 +90,6 @@ static struct pinctrl_map __initdata nhk8815_pinmap[] = {
 	PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO74_C20", in_pullup),
 };
 
-static inline void
-cpu8815_add_pinctrl(struct device *parent, const char *name)
-{
-	struct platform_device_info pdevinfo = {
-		.parent = parent,
-		.name = name,
-		.id = -1,
-	};
-
-	pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap));
-	platform_device_register_full(&pdevinfo);
-}
-
-static int __init cpu8815_init(void)
-{
-	struct nmk_gpio_platform_data pdata = {
-		/* No custom data yet */
-	};
-
-	/* For e.g. device tree boots */
-	if (!machine_is_nomadik())
-		return 0;
-
-	cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base),
-			  IRQ_GPIO0, &pdata);
-	cpu8815_add_pinctrl(NULL, "pinctrl-stn8815");
-	amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0);
-	amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0);
-	return 0;
-}
-arch_initcall(cpu8815_init);
-
 /* All SoC devices live in the same area (see hardware.h) */
 static struct map_desc nomadik_io_desc[] __initdata = {
 	{
@@ -180,37 +101,12 @@ static struct map_desc nomadik_io_desc[] __initdata = {
 	/* static ram and secured ram may be added later */
 };
 
-void __init cpu8815_map_io(void)
+static void __init cpu8815_map_io(void)
 {
 	iotable_init(nomadik_io_desc, ARRAY_SIZE(nomadik_io_desc));
 }
 
-void __init cpu8815_init_irq(void)
-{
-	/* This modified VIC cell has two register blocks, at 0 and 0x20 */
-	vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START +  0, ~0, 0);
-	vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0);
-
-	/*
-	 * Init clocks here so that they are available for system timer
-	 * initialization.
-	 */
-	nomadik_clk_init();
-}
-
-/*
- * This function is called from the board init ("init_machine").
- */
- void __init cpu8815_platform_init(void)
-{
-#ifdef CONFIG_CACHE_L2X0
-	/* At full speed latency must be >=2, so 0x249 in low bits */
-	l2x0_init(io_p2v(NOMADIK_L2CC_BASE), 0x00730249, 0xfe000fff);
-#endif
-	 return;
-}
-
-void cpu8815_restart(char mode, const char *cmd)
+static void cpu8815_restart(char mode, const char *cmd)
 {
 	void __iomem *src_rstsr = io_p2v(NOMADIK_SRC_BASE + 0x18);
 
@@ -220,8 +116,6 @@ void cpu8815_restart(char mode, const char *cmd)
 	writel(1, src_rstsr);
 }
 
-#ifdef CONFIG_OF
-
 /* Initial value for SRC control register: all timers use MXTAL/8 source */
 #define SRC_CR_INIT_MASK	0x00007fff
 #define SRC_CR_INIT_VAL		0x2aaa8000
@@ -393,5 +287,3 @@ DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815")
 	.restart	= cpu8815_restart,
 	.dt_compat      = cpu8815_board_compat,
 MACHINE_END
-
-#endif

arch/arm/mach-nomadik/cpu-8815.h

@@ -1,5 +0,0 @@
-extern void cpu8815_map_io(void);
-extern void cpu8815_platform_init(void);
-extern void cpu8815_init_irq(void);
-extern void cpu8815_restart(char, const char *);
-extern struct sys_timer cpu8815_timer;

arch/arm/mach-nomadik/i2c-8815nhk.c

@@ -1,82 +0,0 @@
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <linux/i2c-gpio.h>
-#include <linux/platform_device.h>
-#include <asm/mach-types.h>
-
-/*
- * There are two busses in the 8815NHK.
- * They could, in theory, be driven by the hardware component, but we
- * use bit-bang through GPIO by now, to keep things simple
- */
-
-/* I2C0 connected to the STw4811 power management chip */
-static struct i2c_gpio_platform_data nhk8815_i2c_data0 = {
-	/* keep defaults for timeouts; pins are push-pull bidirectional */
-	.scl_pin = 62,
-	.sda_pin = 63,
-};
-
-/* I2C1 connected to various sensors */
-static struct i2c_gpio_platform_data nhk8815_i2c_data1 = {
-	/* keep defaults for timeouts; pins are push-pull bidirectional */
-	.scl_pin = 53,
-	.sda_pin = 54,
-};
-
-/* I2C2 connected to the USB portions of the STw4811 only */
-static struct i2c_gpio_platform_data nhk8815_i2c_data2 = {
-	/* keep defaults for timeouts; pins are push-pull bidirectional */
-	.scl_pin = 73,
-	.sda_pin = 74,
-};
-
-static struct platform_device nhk8815_i2c_dev0 = {
-	.name	= "i2c-gpio",
-	.id	= 0,
-	.dev	= {
-		.platform_data = &nhk8815_i2c_data0,
-	},
-};
-
-static struct platform_device nhk8815_i2c_dev1 = {
-	.name	= "i2c-gpio",
-	.id	= 1,
-	.dev	= {
-		.platform_data = &nhk8815_i2c_data1,
-	},
-};
-
-static struct platform_device nhk8815_i2c_dev2 = {
-	.name	= "i2c-gpio",
-	.id	= 2,
-	.dev	= {
-		.platform_data = &nhk8815_i2c_data2,
-	},
-};
-
-static int __init nhk8815_i2c_init(void)
-{
-	/* For e.g. devicetree boot */
-	if (!machine_is_nomadik())
-		return 0;
-
-	platform_device_register(&nhk8815_i2c_dev0);
-	platform_device_register(&nhk8815_i2c_dev1);
-	platform_device_register(&nhk8815_i2c_dev2);
-
-	return 0;
-}
-
-static void __exit nhk8815_i2c_exit(void)
-{
-	platform_device_unregister(&nhk8815_i2c_dev0);
-	platform_device_unregister(&nhk8815_i2c_dev1);
-	platform_device_unregister(&nhk8815_i2c_dev2);
-	return;
-}
-
-module_init(nhk8815_i2c_init);
-module_exit(nhk8815_i2c_exit);