|
@@ -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();
|
|
|
+}
|