ARM: 6015/1: ST SPEAr: Added source files for SPEAr6xx machine family

Reviewed-by: Linus Walleij <linux.walleij@stericsson.com>

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 158 insertions, 0 deletions

diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c
new file mode 100644
index 000000000000..b67e571d4bf7
--- /dev/null
+++ b/arch/arm/mach-spear6xx/spear6xx.c
@@ -0,0 +1,158 @@
+/*
+ * arch/arm/mach-spear6xx/spear6xx.c
+ *
+ * SPEAr6XX machines common source file
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Rajeev Kumar<rajeev-dlh.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/types.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/irqs.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+/* Add spear6xx machines common devices here */
+/* uart device registeration */
+struct amba_device uart_device[] = {
+        {
+                .dev = {
+                        .init_name = "uart0",
+                },
+                .res = {
+                        .start = SPEAR6XX_ICM1_UART0_BASE,
+                        .end = SPEAR6XX_ICM1_UART0_BASE +
+                                SPEAR6XX_ICM1_UART0_SIZE - 1,
+                        .flags = IORESOURCE_MEM,
+                },
+                .irq = {IRQ_UART_0, NO_IRQ},
+        }, {
+                .dev = {
+                        .init_name = "uart1",
+                },
+                .res = {
+                        .start = SPEAR6XX_ICM1_UART1_BASE,
+                        .end = SPEAR6XX_ICM1_UART1_BASE +
+                                SPEAR6XX_ICM1_UART1_SIZE - 1,
+                        .flags = IORESOURCE_MEM,
+                },
+                .irq = {IRQ_UART_1, NO_IRQ},
+        }
+};
+
+/* gpio device registeration */
+static struct pl061_platform_data gpio_plat_data[] = {
+        {
+                .gpio_base      = 0,
+                .irq_base       = SPEAR_GPIO0_INT_BASE,
+        }, {
+                .gpio_base      = 8,
+                .irq_base       = SPEAR_GPIO1_INT_BASE,
+        }, {
+                .gpio_base      = 16,
+                .irq_base       = SPEAR_GPIO2_INT_BASE,
+        },
+};
+
+struct amba_device gpio_device[] = {
+        {
+                .dev = {
+                        .init_name = "gpio0",
+                        .platform_data = &gpio_plat_data[0],
+                },
+                .res = {
+                        .start = SPEAR6XX_CPU_GPIO_BASE,
+                        .end = SPEAR6XX_CPU_GPIO_BASE +
+                                SPEAR6XX_CPU_GPIO_SIZE - 1,
+                        .flags = IORESOURCE_MEM,
+                },
+                .irq = {IRQ_LOCAL_GPIO, NO_IRQ},
+        }, {
+                .dev = {
+                        .init_name = "gpio1",
+                        .platform_data = &gpio_plat_data[1],
+                },
+                .res = {
+                        .start = SPEAR6XX_ICM3_GPIO_BASE,
+                        .end = SPEAR6XX_ICM3_GPIO_BASE +
+                                SPEAR6XX_ICM3_GPIO_SIZE - 1,
+                        .flags = IORESOURCE_MEM,
+                },
+                .irq = {IRQ_BASIC_GPIO, NO_IRQ},
+        }, {
+                .dev = {
+                        .init_name = "gpio2",
+                        .platform_data = &gpio_plat_data[2],
+                },
+                .res = {
+                        .start = SPEAR6XX_ICM2_GPIO_BASE,
+                        .end = SPEAR6XX_ICM2_GPIO_BASE +
+                                SPEAR6XX_ICM2_GPIO_SIZE - 1,
+                        .flags = IORESOURCE_MEM,
+                },
+                .irq = {IRQ_APPL_GPIO, NO_IRQ},
+        }
+};
+
+/* This will add devices, and do machine specific tasks */
+void __init spear6xx_init(void)
+{
+        /* nothing to do for now */
+}
+
+/* This will initialize vic */
+void __init spear6xx_init_irq(void)
+{
+        vic_init((void __iomem *)VA_SPEAR6XX_CPU_VIC_PRI_BASE, 0, ~0, 0);
+        vic_init((void __iomem *)VA_SPEAR6XX_CPU_VIC_SEC_BASE, 32, ~0, 0);
+}
+
+/* Following will create static virtual/physical mappings */
+static struct map_desc spear6xx_io_desc[] __initdata = {
+        {
+                .virtual        = VA_SPEAR6XX_ICM1_UART0_BASE,
+                .pfn            = __phys_to_pfn(SPEAR6XX_ICM1_UART0_BASE),
+                .length         = SPEAR6XX_ICM1_UART0_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR6XX_CPU_VIC_PRI_BASE,
+                .pfn            = __phys_to_pfn(SPEAR6XX_CPU_VIC_PRI_BASE),
+                .length         = SPEAR6XX_CPU_VIC_PRI_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR6XX_CPU_VIC_SEC_BASE,
+                .pfn            = __phys_to_pfn(SPEAR6XX_CPU_VIC_SEC_BASE),
+                .length         = SPEAR6XX_CPU_VIC_SEC_SIZE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR6XX_ICM3_SYS_CTRL_BASE,
+                .pfn            = __phys_to_pfn(SPEAR6XX_ICM3_SYS_CTRL_BASE),
+                .length         = SPEAR6XX_ICM3_MISC_REG_BASE,
+                .type           = MT_DEVICE
+        }, {
+                .virtual        = VA_SPEAR6XX_ICM3_MISC_REG_BASE,
+                .pfn            = __phys_to_pfn(SPEAR6XX_ICM3_MISC_REG_BASE),
+                .length         = SPEAR6XX_ICM3_MISC_REG_SIZE,
+                .type           = MT_DEVICE
+        },
+};
+
+/* This will create static memory mapping for selected devices */
+void __init spear6xx_map_io(void)
+{
+        iotable_init(spear6xx_io_desc, ARRAY_SIZE(spear6xx_io_desc));
+
+        /* This will initialize clock framework */
+        clk_init();
+}