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>

7 files changed, 286 insertions, 0 deletions

diff --git a/arch/arm/mach-spear6xx/Kconfig b/arch/arm/mach-spear6xx/Kconfig
new file mode 100644
index 000000000000..bddba034f862
--- /dev/null
+++ b/arch/arm/mach-spear6xx/Kconfig
@@ -0,0 +1,20 @@
+#
+# SPEAr6XX Machine configuration file
+#
+
+if ARCH_SPEAR6XX
+
+choice
+        prompt "SPEAr6XX Family"
+        default MACH_SPEAR600
+
+config MACH_SPEAR600
+        bool "SPEAr600"
+        help
+          Supports ST SPEAr600 Machine
+endchoice
+
+# Adding SPEAr6XX machine specific configuration files
+source "arch/arm/mach-spear6xx/Kconfig600"
+
+endif #ARCH_SPEAR6XX
diff --git a/arch/arm/mach-spear6xx/Kconfig600 b/arch/arm/mach-spear6xx/Kconfig600
new file mode 100644
index 000000000000..9e19f65eb78e
--- /dev/null
+++ b/arch/arm/mach-spear6xx/Kconfig600
@@ -0,0 +1,17 @@
+#
+# SPEAr600 machine configuration file
+#
+
+if MACH_SPEAR600
+
+choice
+        prompt "SPEAr600 Boards"
+        default BOARD_SPEAR600_EVB
+
+config  BOARD_SPEAR600_EVB
+        bool "SPEAr600 Evaluation Board"
+        help
+          Supports ST SPEAr600 Evaluation Board
+endchoice
+
+endif   #MACH_SPEAR600
diff --git a/arch/arm/mach-spear6xx/Makefile b/arch/arm/mach-spear6xx/Makefile
new file mode 100644
index 000000000000..cc1a4d82d459
--- /dev/null
+++ b/arch/arm/mach-spear6xx/Makefile
@@ -0,0 +1,12 @@
+#
+# Makefile for SPEAr6XX machine series
+#
+
+# common files
+obj-y   += clock.o spear6xx.o
+
+# spear600 specific files
+obj-$(CONFIG_MACH_SPEAR600) += spear600.o
+
+# spear600 boards files
+obj-$(CONFIG_BOARD_SPEAR600_EVB) += spear600_evb.o
diff --git a/arch/arm/mach-spear6xx/Makefile.boot b/arch/arm/mach-spear6xx/Makefile.boot
new file mode 100644
index 000000000000..7a1f3c0eadb8
--- /dev/null
+++ b/arch/arm/mach-spear6xx/Makefile.boot
@@ -0,0 +1,3 @@
+zreladdr-y      := 0x00008000
+params_phys-y   := 0x00000100
+initrd_phys-y   := 0x00800000
diff --git a/arch/arm/mach-spear6xx/spear600.c b/arch/arm/mach-spear6xx/spear600.c
new file mode 100644
index 000000000000..5c484c433dc1
--- /dev/null
+++ b/arch/arm/mach-spear6xx/spear600.c
@@ -0,0 +1,25 @@
+/*
+ * arch/arm/mach-spear6xx/spear600.c
+ *
+ * SPEAr600 machine 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/ptrace.h>
+#include <asm/irq.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+/* Add spear600 specific devices here */
+
+void __init spear600_init(void)
+{
+        /* call spear6xx family common init function */
+        spear6xx_init();
+}
diff --git a/arch/arm/mach-spear6xx/spear600_evb.c b/arch/arm/mach-spear6xx/spear600_evb.c
new file mode 100644
index 000000000000..daff8d04f7b6
--- /dev/null
+++ b/arch/arm/mach-spear6xx/spear600_evb.c
@@ -0,0 +1,51 @@
+/*
+ * arch/arm/mach-spear6xx/spear600_evb.c
+ *
+ * SPEAr600 evaluation board 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 <asm/mach/arch.h>
+#include <asm/mach-types.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+static struct amba_device *amba_devs[] __initdata = {
+        &gpio_device[0],
+        &gpio_device[1],
+        &gpio_device[2],
+        &uart_device[0],
+        &uart_device[1],
+};
+
+static struct platform_device *plat_devs[] __initdata = {
+};
+
+static void __init spear600_evb_init(void)
+{
+        unsigned int i;
+
+        /* call spear600 machine init function */
+        spear600_init();
+
+        /* Add Platform Devices */
+        platform_add_devices(plat_devs, ARRAY_SIZE(plat_devs));
+
+        /* Add Amba Devices */
+        for (i = 0; i < ARRAY_SIZE(amba_devs); i++)
+                amba_device_register(amba_devs[i], &iomem_resource);
+}
+
+MACHINE_START(SPEAR600, "ST-SPEAR600-EVB")
+        .boot_params    =       0x00000100,
+        .map_io         =       spear6xx_map_io,
+        .init_irq       =       spear6xx_init_irq,
+        .timer          =       &spear_sys_timer,
+        .init_machine   =       spear600_evb_init,
+MACHINE_END
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();
+}