ARM: u300: delete all static board data

We have now transferred all the U300 peripherals to the device
tree, so we just select USE_OF, and delete all static board data,
then require that this platform shall be booted using the device
tree and nothing else.

This gets rid of the MMCI (PL180), PL022, and serial PL011
platform data entries and more.

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

1 files changed, 6 insertions, 542 deletions

diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 8f9e77aea76..13d48125b89 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -9,50 +9,20 @@
  * Author: Linus Walleij <linus.walleij@stericsson.com>
  */
 #include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <linux/bitops.h>
-#include <linux/device.h>
-#include <linux/mm.h>
-#include <linux/termios.h>
-#include <linux/dmaengine.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/mmci.h>
-#include <linux/amba/pl022.h>
-#include <linux/amba/serial.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/fsmc.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/pinctrl/pinconf-generic.h>
-#include <linux/dma-mapping.h>
 #include <linux/platform_data/clk-u300.h>
 #include <linux/platform_data/pinctrl-coh901.h>
-#include <linux/platform_data/dma-coh901318.h>
-#include <linux/irqchip/arm-vic.h>
 #include <linux/irqchip.h>
 #include <linux/of_platform.h>
 #include <linux/clocksource.h>
+#include <linux/clk.h>
 
-#include <asm/types.h>
-#include <asm/setup.h>
-#include <asm/memory.h>
 #include <asm/mach/map.h>
-#include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
-#include <mach/hardware.h>
+#include <mach/u300-regs.h>
 #include <mach/syscon.h>
-#include <mach/irqs.h>
-
-#include "timer.h"
-#include "spi.h"
-#include "i2c.h"
-#include "u300-gpio.h"
 
 /*
  * Static I/O mappings that are needed for booting the U300 platforms. The
@@ -87,287 +57,6 @@ static void __init u300_map_io(void)
 }
 
 /*
- * Declaration of devices found on the U300 board and
- * their respective memory locations.
- */
-
-static struct amba_pl011_data uart0_plat_data = {
-#ifdef CONFIG_COH901318
-	.dma_filter = coh901318_filter_id,
-	.dma_rx_param = (void *) U300_DMA_UART0_RX,
-	.dma_tx_param = (void *) U300_DMA_UART0_TX,
-#endif
-};
-
-/* Slow device at 0x3000 offset */
-static AMBA_APB_DEVICE(uart0, "uart0", 0, U300_UART0_BASE,
-	{ IRQ_U300_UART0 }, &uart0_plat_data);
-
-/* The U335 have an additional UART1 on the APP CPU */
-static struct amba_pl011_data uart1_plat_data = {
-#ifdef CONFIG_COH901318
-	.dma_filter = coh901318_filter_id,
-	.dma_rx_param = (void *) U300_DMA_UART1_RX,
-	.dma_tx_param = (void *) U300_DMA_UART1_TX,
-#endif
-};
-
-/* Fast device at 0x7000 offset */
-static AMBA_APB_DEVICE(uart1, "uart1", 0, U300_UART1_BASE,
-	{ IRQ_U300_UART1 }, &uart1_plat_data);
-
-/* AHB device at 0x4000 offset */
-static AMBA_APB_DEVICE(pl172, "pl172", 0, U300_EMIF_CFG_BASE, { }, NULL);
-
-/* Fast device at 0x6000 offset */
-static AMBA_APB_DEVICE(pl022, "pl022", 0, U300_SPI_BASE,
-	{ IRQ_U300_SPI }, NULL);
-
-/* Fast device at 0x1000 offset */
-#define U300_MMCSD_IRQS	{ IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 }
-
-static struct mmci_platform_data mmcsd_platform_data = {
-	/*
-	 * Do not set ocr_mask or voltage translation function,
-	 * we have a regulator we can control instead.
-	 */
-	.f_max = 24000000,
-	.gpio_wp = -1,
-	.gpio_cd = U300_GPIO_PIN_MMC_CD,
-	.cd_invert = true,
-	.capabilities = MMC_CAP_MMC_HIGHSPEED |
-	MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
-#ifdef CONFIG_COH901318
-	.dma_filter = coh901318_filter_id,
-	.dma_rx_param = (void *) U300_DMA_MMCSD_RX_TX,
-	/* Don't specify a TX channel, this RX channel is bidirectional */
-#endif
-};
-
-static AMBA_APB_DEVICE(mmcsd, "mmci", 0, U300_MMCSD_BASE,
-	U300_MMCSD_IRQS, &mmcsd_platform_data);
-
-/*
- * The order of device declaration may be important, since some devices
- * have dependencies on other devices being initialized first.
- */
-static struct amba_device *amba_devs[] __initdata = {
-	&uart0_device,
-	&uart1_device,
-	&pl022_device,
-	&pl172_device,
-	&mmcsd_device,
-};
-
-/* Here follows a list of all hw resources that the platform devices
- * allocate. Note, clock dependencies are not included
- */
-
-static struct resource gpio_resources[] = {
-	{
-		.start = U300_GPIO_BASE,
-		.end   = (U300_GPIO_BASE + SZ_4K - 1),
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.name  = "gpio0",
-		.start = IRQ_U300_GPIO_PORT0,
-		.end   = IRQ_U300_GPIO_PORT0,
-		.flags = IORESOURCE_IRQ,
-	},
-	{
-		.name  = "gpio1",
-		.start = IRQ_U300_GPIO_PORT1,
-		.end   = IRQ_U300_GPIO_PORT1,
-		.flags = IORESOURCE_IRQ,
-	},
-	{
-		.name  = "gpio2",
-		.start = IRQ_U300_GPIO_PORT2,
-		.end   = IRQ_U300_GPIO_PORT2,
-		.flags = IORESOURCE_IRQ,
-	},
-	{
-		.name  = "gpio3",
-		.start = IRQ_U300_GPIO_PORT3,
-		.end   = IRQ_U300_GPIO_PORT3,
-		.flags = IORESOURCE_IRQ,
-	},
-	{
-		.name  = "gpio4",
-		.start = IRQ_U300_GPIO_PORT4,
-		.end   = IRQ_U300_GPIO_PORT4,
-		.flags = IORESOURCE_IRQ,
-	},
-	{
-		.name  = "gpio5",
-		.start = IRQ_U300_GPIO_PORT5,
-		.end   = IRQ_U300_GPIO_PORT5,
-		.flags = IORESOURCE_IRQ,
-	},
-	{
-		.name  = "gpio6",
-		.start = IRQ_U300_GPIO_PORT6,
-		.end   = IRQ_U300_GPIO_PORT6,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-static struct resource keypad_resources[] = {
-	{
-		.start = U300_KEYPAD_BASE,
-		.end   = U300_KEYPAD_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.name  = "coh901461-press",
-		.start = IRQ_U300_KEYPAD_KEYBF,
-		.end   = IRQ_U300_KEYPAD_KEYBF,
-		.flags = IORESOURCE_IRQ,
-	},
-	{
-		.name  = "coh901461-release",
-		.start = IRQ_U300_KEYPAD_KEYBR,
-		.end   = IRQ_U300_KEYPAD_KEYBR,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-static struct resource rtc_resources[] = {
-	{
-		.start = U300_RTC_BASE,
-		.end   = U300_RTC_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.start = IRQ_U300_RTC,
-		.end   = IRQ_U300_RTC,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-/*
- * Fsmc does have IRQs: #43 and #44 (NFIF and NFIF2)
- * but these are not yet used by the driver.
- */
-static struct resource fsmc_resources[] = {
-	{
-		.name  = "nand_addr",
-		.start = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_ALE,
-		.end   = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_ALE + SZ_16K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.name  = "nand_cmd",
-		.start = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_CLE,
-		.end   = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_CLE + SZ_16K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.name  = "nand_data",
-		.start = U300_NAND_CS0_PHYS_BASE,
-		.end   = U300_NAND_CS0_PHYS_BASE + SZ_16K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.name  = "fsmc_regs",
-		.start = U300_NAND_IF_PHYS_BASE,
-		.end   = U300_NAND_IF_PHYS_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-static struct resource i2c0_resources[] = {
-	{
-		.start = U300_I2C0_BASE,
-		.end   = U300_I2C0_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.start = IRQ_U300_I2C0,
-		.end   = IRQ_U300_I2C0,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-static struct resource i2c1_resources[] = {
-	{
-		.start = U300_I2C1_BASE,
-		.end   = U300_I2C1_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.start = IRQ_U300_I2C1,
-		.end   = IRQ_U300_I2C1,
-		.flags = IORESOURCE_IRQ,
-	},
-
-};
-
-static struct resource wdog_resources[] = {
-	{
-		.start = U300_WDOG_BASE,
-		.end   = U300_WDOG_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.start = IRQ_U300_WDOG,
-		.end   = IRQ_U300_WDOG,
-		.flags = IORESOURCE_IRQ,
-	}
-};
-
-static struct resource dma_resource[] = {
-	{
-		.start = U300_DMAC_BASE,
-		.end = U300_DMAC_BASE + PAGE_SIZE - 1,
-		.flags =  IORESOURCE_MEM,
-	},
-	{
-		.start = IRQ_U300_DMA,
-		.end = IRQ_U300_DMA,
-		.flags =  IORESOURCE_IRQ,
-	}
-};
-
-
-static struct resource pinctrl_resources[] = {
-	{
-		.start = U300_SYSCON_BASE,
-		.end   = U300_SYSCON_BASE + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-static struct platform_device wdog_device = {
-	.name = "coh901327_wdog",
-	.id = -1,
-	.num_resources = ARRAY_SIZE(wdog_resources),
-	.resource = wdog_resources,
-};
-
-static struct platform_device i2c0_device = {
-	.name = "stu300",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(i2c0_resources),
-	.resource = i2c0_resources,
-};
-
-static struct platform_device i2c1_device = {
-	.name = "stu300",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(i2c1_resources),
-	.resource = i2c1_resources,
-};
-
-static struct platform_device pinctrl_device = {
-	.name = "pinctrl-u300",
-	.id = -1,
-	.num_resources = ARRAY_SIZE(pinctrl_resources),
-	.resource = pinctrl_resources,
-};
-
-/*
  * The different variants have a few different versions of the
  * GPIO block, with different number of ports.
  */
@@ -376,75 +65,6 @@ static struct u300_gpio_platform u300_gpio_plat = {
 	.gpio_base = 0,
 };
 
-static struct platform_device gpio_device = {
-	.name = "u300-gpio",
-	.id = -1,
-	.num_resources = ARRAY_SIZE(gpio_resources),
-	.resource = gpio_resources,
-	.dev = {
-		.platform_data = &u300_gpio_plat,
-	},
-};
-
-static struct platform_device keypad_device = {
-	.name = "keypad",
-	.id = -1,
-	.num_resources = ARRAY_SIZE(keypad_resources),
-	.resource = keypad_resources,
-};
-
-static struct platform_device rtc_device = {
-	.name = "rtc-coh901331",
-	.id = -1,
-	.num_resources = ARRAY_SIZE(rtc_resources),
-	.resource = rtc_resources,
-};
-
-static struct mtd_partition u300_partitions[] = {
-	{
-		.name = "bootrecords",
-		.offset = 0,
-		.size = SZ_128K,
-	},
-	{
-		.name = "free",
-		.offset = SZ_128K,
-		.size = 8064 * SZ_1K,
-	},
-	{
-		.name = "platform",
-		.offset = 8192 * SZ_1K,
-		.size = 253952 * SZ_1K,
-	},
-};
-
-static struct fsmc_nand_platform_data nand_platform_data = {
-	.partitions = u300_partitions,
-	.nr_partitions = ARRAY_SIZE(u300_partitions),
-	.options = NAND_SKIP_BBTSCAN,
-	.width = FSMC_NAND_BW8,
-};
-
-static struct platform_device nand_device = {
-	.name = "fsmc-nand",
-	.id = -1,
-	.resource = fsmc_resources,
-	.num_resources = ARRAY_SIZE(fsmc_resources),
-	.dev = {
-		.platform_data = &nand_platform_data,
-	},
-};
-
-static struct platform_device dma_device = {
-	.name		= "coh901318",
-	.id		= -1,
-	.resource	= dma_resource,
-	.num_resources  = ARRAY_SIZE(dma_resource),
-	.dev = {
-		.coherent_dma_mask = ~0,
-	},
-};
-
 static unsigned long pin_pullup_conf[] = {
 	PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 1),
 };
@@ -471,61 +91,6 @@ static struct pinctrl_map __initdata u300_pinmux_map[] = {
 				    pin_highz_conf),
 };
 
-/*
- * Notice that AMBA devices are initialized before platform devices.
- *
- */
-static struct platform_device *platform_devs[] __initdata = {
-	&dma_device,
-	&i2c0_device,
-	&i2c1_device,
-	&keypad_device,
-	&rtc_device,
-	&pinctrl_device,
-	&gpio_device,
-	&nand_device,
-	&wdog_device,
-};
-
-/*
- * Interrupts: the U300 platforms have two pl190 ARM PrimeCells connected
- * together so some interrupts are connected to the first one and some
- * to the second one.
- */
-static void __init u300_init_irq(void)
-{
-	u32 mask[2] = {0, 0};
-	struct clk *clk;
-	int i;
-
-	/* initialize clocking early, we want to clock the INTCON */
-	u300_clk_init(U300_SYSCON_VBASE);
-
-	/* Bootstrap EMIF and SEMI clocks */
-	clk = clk_get_sys("pl172", NULL);
-	BUG_ON(IS_ERR(clk));
-	clk_prepare_enable(clk);
-	clk = clk_get_sys("semi", NULL);
-	BUG_ON(IS_ERR(clk));
-	clk_prepare_enable(clk);
-
-	/* Clock the interrupt controller */
-	clk = clk_get_sys("intcon", NULL);
-	BUG_ON(IS_ERR(clk));
-	clk_prepare_enable(clk);
-
-	for (i = 0; i < U300_VIC_IRQS_END; i++)
-		set_bit(i, (unsigned long *) &mask[0]);
-	vic_init((void __iomem *) U300_INTCON0_VBASE, IRQ_U300_INTCON0_START,
-		 mask[0], mask[0]);
-	vic_init((void __iomem *) U300_INTCON1_VBASE, IRQ_U300_INTCON1_START,
-		 mask[1], mask[1]);
-}
-
-
-/*
- * U300 platforms peripheral handling
- */
 struct db_chip {
 	u16 chipid;
 	const char *name;
@@ -604,74 +169,6 @@ static void __init u300_init_check_chip(void)
 	}
 }
 
-/*
- * Some devices and their resources require reserved physical memory from
- * the end of the available RAM. This function traverses the list of devices
- * and assigns actual addresses to these.
- */
-static void __init u300_assign_physmem(void)
-{
-	unsigned long curr_start = __pa(high_memory);
-	int i, j;
-
-	for (i = 0; i < ARRAY_SIZE(platform_devs); i++) {
-		for (j = 0; j < platform_devs[i]->num_resources; j++) {
-			struct resource *const res =
-			  &platform_devs[i]->resource[j];
-
-			if (IORESOURCE_MEM == res->flags &&
-				     0 == res->start) {
-				res->start  = curr_start;
-				res->end   += curr_start;
-				curr_start += resource_size(res);
-
-				printk(KERN_INFO "core.c: Mapping RAM " \
-				       "%#x-%#x to device %s:%s\n",
-					res->start, res->end,
-				       platform_devs[i]->name, res->name);
-			}
-		}
-	}
-}
-
-static void __init u300_init_machine(void)
-{
-	int i;
-	u16 val;
-
-	/* Check what platform we run and print some status information */
-	u300_init_check_chip();
-
-	/* Initialize SPI device with some board specifics */
-	u300_spi_init(&pl022_device);
-
-	/* Register the AMBA devices in the AMBA bus abstraction layer */
-	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
-		struct amba_device *d = amba_devs[i];
-		amba_device_register(d, &iomem_resource);
-	}
-
-	u300_assign_physmem();
-
-	/* Initialize pinmuxing */
-	pinctrl_register_mappings(u300_pinmux_map,
-				  ARRAY_SIZE(u300_pinmux_map));
-
-	/* Register subdevices on the I2C buses */
-	u300_i2c_register_board_devices();
-
-	/* Register the platform devices */
-	platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
-
-	/* Register subdevices on the SPI bus */
-	u300_spi_register_board_devices();
-
-	/* Enable SEMI self refresh */
-	val = readw(U300_SYSCON_VBASE + U300_SYSCON_SMCR) |
-		U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE;
-	writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR);
-}
-
 /* Forward declare this function from the watchdog */
 void coh901327_watchdog_reset(void);
 
@@ -692,35 +189,6 @@ static void u300_restart(char mode, const char *cmd)
 	while (1);
 }
 
-MACHINE_START(U300, "Ericsson AB U335 S335/B335 Prototype Board")
-	/* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
-	.atag_offset	= 0x100,
-	.map_io		= u300_map_io,
-	.nr_irqs	= 0,
-	.init_irq	= u300_init_irq,
-	.init_time	= u300_timer_init,
-	.init_machine	= u300_init_machine,
-	.restart	= u300_restart,
-MACHINE_END
-
-#ifdef CONFIG_OF
-
-static struct pl022_ssp_controller spi_plat_data = {
-	/* If you have several SPI buses this varies, we have only bus 0 */
-	.bus_id = 0,
-	/*
-	 * On the APP CPU GPIO 4, 5 and 6 are connected as generic
-	 * chip selects for SPI. (Same on U330, U335 and U365.)
-	 * TODO: make sure the GPIO driver can select these properly
-	 * and do padmuxing accordingly too.
-	 */
-	.num_chipselect = 3,
-	.enable_dma = 1,
-	.dma_filter = coh901318_filter_id,
-	.dma_rx_param = (void *) U300_DMA_SPI_RX,
-	.dma_tx_param = (void *) U300_DMA_SPI_TX,
-};
-
 /* These are mostly to get the right device names for the clock lookups */
 static struct of_dev_auxdata u300_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("stericsson,pinctrl-u300", U300_SYSCON_BASE,
@@ -736,17 +204,17 @@ static struct of_dev_auxdata u300_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("stericsson,fsmc-nand", U300_NAND_IF_PHYS_BASE,
 		"fsmc-nand", NULL),
 	OF_DEV_AUXDATA("arm,primecell", U300_UART0_BASE,
-		"uart0", &uart0_plat_data),
+		"uart0", NULL),
 	OF_DEV_AUXDATA("arm,primecell", U300_UART1_BASE,
-		"uart1", &uart1_plat_data),
+		"uart1", NULL),
 	OF_DEV_AUXDATA("arm,primecell", U300_SPI_BASE,
-		"pl022", &spi_plat_data),
+		"pl022", NULL),
 	OF_DEV_AUXDATA("st,ddci2c", U300_I2C0_BASE,
 		"stu300.0", NULL),
 	OF_DEV_AUXDATA("st,ddci2c", U300_I2C1_BASE,
 		"stu300.1", NULL),
 	OF_DEV_AUXDATA("arm,primecell", U300_MMCSD_BASE,
-		"mmci", &mmcsd_platform_data),
+		"mmci", NULL),
 	{ /* sentinel */ },
 };
 
@@ -780,8 +248,6 @@ static void __init u300_init_machine_dt(void)
 	/* Check what platform we run and print some status information */
 	u300_init_check_chip();
 
-	u300_assign_physmem();
-
 	/* Initialize pinmuxing */
 	pinctrl_register_mappings(u300_pinmux_map,
 				  ARRAY_SIZE(u300_pinmux_map));
@@ -808,5 +274,3 @@ DT_MACHINE_START(U300_DT, "U300 S335/B335 (Device Tree)")
 	.restart	= u300_restart,
 	.dt_compat      = u300_board_compat,
 MACHINE_END
-
-#endif /* CONFIG_OF */