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Diffstat (limited to 'arch/arm/mach-ux500/cpu-db5500.c')
-rw-r--r--arch/arm/mach-ux500/cpu-db5500.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c
new file mode 100644
index 000000000000..af04e0891a78
--- /dev/null
+++ b/arch/arm/mach-ux500/cpu-db5500.c
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/platform_device.h>
+#include <linux/amba/bus.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+
+#include <asm/mach/map.h>
+
+#include <plat/gpio.h>
+
+#include <mach/hardware.h>
+#include <mach/devices.h>
+#include <mach/setup.h>
+#include <mach/irqs.h>
+
+#include "devices-db5500.h"
+
+static struct map_desc u5500_uart_io_desc[] __initdata = {
+ __IO_DEV_DESC(U5500_UART0_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_UART2_BASE, SZ_4K),
+};
+
+static struct map_desc u5500_io_desc[] __initdata = {
+ __IO_DEV_DESC(U5500_GIC_CPU_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_GIC_DIST_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_L2CC_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_TWD_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_MTU0_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_SCU_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_BACKUPRAM0_BASE, SZ_8K),
+
+ __IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_GPIO1_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_GPIO2_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_GPIO3_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K),
+ __IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K),
+};
+
+static struct resource mbox0_resources[] = {
+ {
+ .name = "mbox_peer",
+ .start = U5500_MBOX0_PEER_START,
+ .end = U5500_MBOX0_PEER_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_local",
+ .start = U5500_MBOX0_LOCAL_START,
+ .end = U5500_MBOX0_LOCAL_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_irq",
+ .start = MBOX_PAIR0_VIRT_IRQ,
+ .end = MBOX_PAIR0_VIRT_IRQ,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct resource mbox1_resources[] = {
+ {
+ .name = "mbox_peer",
+ .start = U5500_MBOX1_PEER_START,
+ .end = U5500_MBOX1_PEER_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_local",
+ .start = U5500_MBOX1_LOCAL_START,
+ .end = U5500_MBOX1_LOCAL_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_irq",
+ .start = MBOX_PAIR1_VIRT_IRQ,
+ .end = MBOX_PAIR1_VIRT_IRQ,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct resource mbox2_resources[] = {
+ {
+ .name = "mbox_peer",
+ .start = U5500_MBOX2_PEER_START,
+ .end = U5500_MBOX2_PEER_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_local",
+ .start = U5500_MBOX2_LOCAL_START,
+ .end = U5500_MBOX2_LOCAL_END,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "mbox_irq",
+ .start = MBOX_PAIR2_VIRT_IRQ,
+ .end = MBOX_PAIR2_VIRT_IRQ,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device mbox0_device = {
+ .id = 0,
+ .name = "mbox",
+ .resource = mbox0_resources,
+ .num_resources = ARRAY_SIZE(mbox0_resources),
+};
+
+static struct platform_device mbox1_device = {
+ .id = 1,
+ .name = "mbox",
+ .resource = mbox1_resources,
+ .num_resources = ARRAY_SIZE(mbox1_resources),
+};
+
+static struct platform_device mbox2_device = {
+ .id = 2,
+ .name = "mbox",
+ .resource = mbox2_resources,
+ .num_resources = ARRAY_SIZE(mbox2_resources),
+};
+
+static struct platform_device *u5500_platform_devs[] __initdata = {
+ &mbox0_device,
+ &mbox1_device,
+ &mbox2_device,
+};
+
+static resource_size_t __initdata db5500_gpio_base[] = {
+ U5500_GPIOBANK0_BASE,
+ U5500_GPIOBANK1_BASE,
+ U5500_GPIOBANK2_BASE,
+ U5500_GPIOBANK3_BASE,
+ U5500_GPIOBANK4_BASE,
+ U5500_GPIOBANK5_BASE,
+ U5500_GPIOBANK6_BASE,
+ U5500_GPIOBANK7_BASE,
+};
+
+static void __init db5500_add_gpios(void)
+{
+ struct nmk_gpio_platform_data pdata = {
+ /* No custom data yet */
+ };
+
+ dbx500_add_gpios(ARRAY_AND_SIZE(db5500_gpio_base),
+ IRQ_DB5500_GPIO0, &pdata);
+}
+
+void __init u5500_map_io(void)
+{
+ /*
+ * Map the UARTs early so that the DEBUG_LL stuff continues to work.
+ */
+ iotable_init(u5500_uart_io_desc, ARRAY_SIZE(u5500_uart_io_desc));
+
+ ux500_map_io();
+
+ iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc));
+}
+
+void __init u5500_init_devices(void)
+{
+ db5500_add_gpios();
+ db5500_dma_init();
+ db5500_add_rtc();
+
+ platform_add_devices(u5500_platform_devs,
+ ARRAY_SIZE(u5500_platform_devs));
+}