1 files changed, 101 insertions, 0 deletions

diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
new file mode 100644
index 000000000000..82ebcd30465e
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -0,0 +1,101 @@
+/*
+ * arch/arm/mach-spear3xx/spear3xx.c
+ *
+ * SPEAr3XX machines common source file
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar<viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/types.h>
+#include <linux/amba/pl061.h>
+#include <linux/ptrace.h>
+#include <linux/io.h>
+#include <asm/hardware/vic.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+/* Add spear3xx machines common devices here */
+/* gpio device registeration */
+static struct pl061_platform_data gpio_plat_data = {
+        .gpio_base      = 0,
+        .irq_base       = SPEAR_GPIO_INT_BASE,
+};
+
+struct amba_device gpio_device = {
+        .dev = {
+                .init_name = "gpio",
+                .platform_data = &gpio_plat_data,
+        },
+        .res = {
+                .start = SPEAR3XX_ICM3_GPIO_BASE,
+                .end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        .irq = {IRQ_BASIC_GPIO, NO_IRQ},
+};
+
+/* uart device registeration */
+struct amba_device uart_device = {
+        .dev = {
+                .init_name = "uart",
+        },
+        .res = {
+                .start = SPEAR3XX_ICM1_UART_BASE,
+                .end = SPEAR3XX_ICM1_UART_BASE + SPEAR3XX_ICM1_UART_SIZE - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        .irq = {IRQ_UART, NO_IRQ},
+};
+
+/* Do spear3xx familiy common initialization part here */
+void __init spear3xx_init(void)
+{
+        /* nothing to do for now */
+}
+
+/* This will initialize vic */
+void __init spear3xx_init_irq(void)
+{
+        vic_init((void __iomem *)VA_SPEAR3XX_ML1_VIC_BASE, 0, ~0, 0);
+}
+
+/* Following will create static virtual/physical mappings */
+struct map_desc spear3xx_io_desc[] __initdata = {
+        {
+                .virtual        = VA_SPEAR3XX_ICM1_UART_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE),
+                .length         = SPEAR3XX_ICM1_UART_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR3XX_ML1_VIC_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE),
+                .length         = SPEAR3XX_ML1_VIC_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE),
+                .length         = SPEAR3XX_ICM3_SYS_CTRL_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR3XX_ICM3_MISC_REG_BASE,
+                .pfn            = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE),
+                .length         = SPEAR3XX_ICM3_MISC_REG_SIZE,
+                .type           = MT_DEVICE
+        },
+};
+
+/* This will create static memory mapping for selected devices */
+void __init spear3xx_map_io(void)
+{
+        iotable_init(spear3xx_io_desc, ARRAY_SIZE(spear3xx_io_desc));
+
+        /* This will initialize clock framework */
+        clk_init();
+}