diff options
Diffstat (limited to 'arch/arm/mach-u300/core.c')
| -rw-r--r-- | arch/arm/mach-u300/core.c | 100 |
1 files changed, 23 insertions, 77 deletions
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index 03acf1883ec..ef6f602b7e4 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -3,7 +3,7 @@ * arch/arm/mach-u300/core.c * * - * Copyright (C) 2007-2010 ST-Ericsson SA + * Copyright (C) 2007-2012 ST-Ericsson SA * License terms: GNU General Public License (GPL) version 2 * Core platform support, IRQ handling and device definitions. * Author: Linus Walleij <linus.walleij@stericsson.com> @@ -31,23 +31,26 @@ #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 <asm/types.h> #include <asm/setup.h> #include <asm/memory.h> #include <asm/hardware/vic.h> #include <asm/mach/map.h> -#include <asm/mach/irq.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> #include <mach/coh901318.h> #include <mach/hardware.h> #include <mach/syscon.h> -#include <mach/dma_channels.h> -#include <mach/gpio-u300.h> +#include <mach/irqs.h> +#include "timer.h" #include "spi.h" #include "i2c.h" #include "u300-gpio.h" +#include "dma_channels.h" /* * Static I/O mappings that are needed for booting the U300 platforms. The @@ -76,7 +79,7 @@ static struct map_desc u300_io_desc[] __initdata = { }, }; -void __init u300_map_io(void) +static void __init u300_map_io(void) { iotable_init(u300_io_desc, ARRAY_SIZE(u300_io_desc)); /* We enable a real big DMA buffer if need be. */ @@ -101,7 +104,6 @@ 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 */ -#ifdef CONFIG_MACH_U300_BS335 static struct amba_pl011_data uart1_plat_data = { #ifdef CONFIG_COH901318 .dma_filter = coh901318_filter_id, @@ -113,7 +115,6 @@ static struct amba_pl011_data uart1_plat_data = { /* Fast device at 0x7000 offset */ static AMBA_APB_DEVICE(uart1, "uart1", 0, U300_UART1_BASE, { IRQ_U300_UART1 }, &uart1_plat_data); -#endif /* AHB device at 0x4000 offset */ static AMBA_APB_DEVICE(pl172, "pl172", 0, U300_EMIF_CFG_BASE, { }, NULL); @@ -152,9 +153,7 @@ static AMBA_APB_DEVICE(mmcsd, "mmci", 0, U300_MMCSD_BASE, */ static struct amba_device *amba_devs[] __initdata = { &uart0_device, -#ifdef CONFIG_MACH_U300_BS335 &uart1_device, -#endif &pl022_device, &pl172_device, &mmcsd_device, @@ -188,7 +187,6 @@ static struct resource gpio_resources[] = { .end = IRQ_U300_GPIO_PORT2, .flags = IORESOURCE_IRQ, }, -#if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335) { .name = "gpio3", .start = IRQ_U300_GPIO_PORT3, @@ -201,8 +199,6 @@ static struct resource gpio_resources[] = { .end = IRQ_U300_GPIO_PORT4, .flags = IORESOURCE_IRQ, }, -#endif -#ifdef CONFIG_MACH_U300_BS335 { .name = "gpio5", .start = IRQ_U300_GPIO_PORT5, @@ -215,7 +211,6 @@ static struct resource gpio_resources[] = { .end = IRQ_U300_GPIO_PORT6, .flags = IORESOURCE_IRQ, }, -#endif /* CONFIG_MACH_U300_BS335 */ }; static struct resource keypad_resources[] = { @@ -323,7 +318,6 @@ static struct resource dma_resource[] = { } }; -#ifdef CONFIG_MACH_U300_BS335 /* points out all dma slave channels. * Syntax is [A1, B1, A2, B2, .... ,-1,-1] * Select all channels from A to B, end of list is marked with -1,-1 @@ -336,14 +330,6 @@ static int dma_slave_channels[] = { static int dma_memcpy_channels[] = { U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_8, -1, -1}; -#else /* CONFIG_MACH_U300_BS335 */ - -static int dma_slave_channels[] = {U300_DMA_MSL_TX_0, U300_DMA_SPI_RX, -1, -1}; -static int dma_memcpy_channels[] = { - U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_10, -1, -1}; - -#endif - /** register dma for memory access * * active 1 means dma intends to access memory @@ -1395,7 +1381,6 @@ const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = { .param.ctrl_lli = flags_memcpy_lli, .param.ctrl_lli_last = flags_memcpy_lli_last, }, -#ifdef CONFIG_MACH_U300_BS335 { .number = U300_DMA_UART1_TX, .name = "UART1 TX", @@ -1406,28 +1391,6 @@ const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = { .name = "UART1 RX", .priority_high = 0, } -#else - { - .number = U300_DMA_GENERAL_PURPOSE_9, - .name = "GENERAL 09", - .priority_high = 0, - - .param.config = flags_memcpy_config, - .param.ctrl_lli_chained = flags_memcpy_lli_chained, - .param.ctrl_lli = flags_memcpy_lli, - .param.ctrl_lli_last = flags_memcpy_lli_last, - }, - { - .number = U300_DMA_GENERAL_PURPOSE_10, - .name = "GENERAL 10", - .priority_high = 0, - - .param.config = flags_memcpy_config, - .param.ctrl_lli_chained = flags_memcpy_lli_chained, - .param.ctrl_lli = flags_memcpy_lli, - .param.ctrl_lli_last = flags_memcpy_lli_last, - } -#endif }; @@ -1480,18 +1443,7 @@ static struct platform_device pinctrl_device = { * GPIO block, with different number of ports. */ static struct u300_gpio_platform u300_gpio_plat = { -#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) - .variant = U300_GPIO_COH901335, - .ports = 3, -#endif -#ifdef CONFIG_MACH_U300_BS335 - .variant = U300_GPIO_COH901571_3_BS335, .ports = 7, -#endif -#ifdef CONFIG_MACH_U300_BS365 - .variant = U300_GPIO_COH901571_3_BS365, - .ports = 5, -#endif .gpio_base = 0, .gpio_irq_base = IRQ_U300_GPIO_BASE, .pinctrl_device = &pinctrl_device, @@ -1651,7 +1603,7 @@ static struct platform_device *platform_devs[] __initdata = { * together so some interrupts are connected to the first one and some * to the second one. */ -void __init u300_init_irq(void) +static void __init u300_init_irq(void) { u32 mask[2] = {0, 0}; struct clk *clk; @@ -1756,29 +1708,11 @@ static void __init u300_init_check_chip(void) printk(KERN_INFO "Initializing U300 system on %s baseband chip " \ "(chip ID 0x%04x)\n", chipname, val); -#ifdef CONFIG_MACH_U300_BS330 - if ((val & 0xFF00U) != 0xd800) { - printk(KERN_ERR "Platform configured for BS330 " \ - "with DB3200 but %s detected, expect problems!", - chipname); - } -#endif -#ifdef CONFIG_MACH_U300_BS335 if ((val & 0xFF00U) != 0xf000 && (val & 0xFF00U) != 0xf100) { printk(KERN_ERR "Platform configured for BS335 " \ " with DB3350 but %s detected, expect problems!", chipname); } -#endif -#ifdef CONFIG_MACH_U300_BS365 - if ((val & 0xFF00U) != 0xe800) { - printk(KERN_ERR "Platform configured for BS365 " \ - "with DB3210 but %s detected, expect problems!", - chipname); - } -#endif - - } /* @@ -1811,7 +1745,7 @@ static void __init u300_assign_physmem(void) } } -void __init u300_init_devices(void) +static void __init u300_init_machine(void) { int i; u16 val; @@ -1852,7 +1786,7 @@ void __init u300_init_devices(void) /* Forward declare this function from the watchdog */ void coh901327_watchdog_reset(void); -void u300_restart(char mode, const char *cmd) +static void u300_restart(char mode, const char *cmd) { switch (mode) { case 's': @@ -1868,3 +1802,15 @@ void u300_restart(char mode, const char *cmd) /* Wait for system do die/reset. */ 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 = NR_IRQS_U300, + .init_irq = u300_init_irq, + .handle_irq = vic_handle_irq, + .timer = &u300_timer, + .init_machine = u300_init_machine, + .restart = u300_restart, +MACHINE_END |