ARM: 6017/1: ST SPEAr: Added source files for SPEAr3xx 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>

13 files changed, 472 insertions, 0 deletions

diff --git a/arch/arm/mach-spear3xx/Kconfig b/arch/arm/mach-spear3xx/Kconfig
new file mode 100644
index 000000000000..20d1317cc486
--- /dev/null
+++ b/arch/arm/mach-spear3xx/Kconfig
@@ -0,0 +1,33 @@
+#
+# SPEAr3XX Machine configuration file
+#
+
+if ARCH_SPEAR3XX
+
+choice
+        prompt "SPEAr3XX Family"
+        default MACH_SPEAR300
+
+config MACH_SPEAR300
+        bool "SPEAr300"
+        help
+          Supports ST SPEAr300 Machine
+
+config MACH_SPEAR310
+        bool "SPEAr310"
+        help
+          Supports ST SPEAr310 Machine
+
+config MACH_SPEAR320
+        bool "SPEAr320"
+        help
+          Supports ST SPEAr320 Machine
+
+endchoice
+
+# Adding SPEAr3XX machine specific configuration files
+source "arch/arm/mach-spear3xx/Kconfig300"
+source "arch/arm/mach-spear3xx/Kconfig310"
+source "arch/arm/mach-spear3xx/Kconfig320"
+
+endif #ARCH_SPEAR3XX
diff --git a/arch/arm/mach-spear3xx/Kconfig300 b/arch/arm/mach-spear3xx/Kconfig300
new file mode 100644
index 000000000000..c519a05b4ab4
--- /dev/null
+++ b/arch/arm/mach-spear3xx/Kconfig300
@@ -0,0 +1,17 @@
+#
+# SPEAr300 machine configuration file
+#
+
+if MACH_SPEAR300
+
+choice
+        prompt "SPEAr300 Boards"
+        default BOARD_SPEAR300_EVB
+
+config BOARD_SPEAR300_EVB
+        bool "SPEAr300 Evaluation Board"
+        help
+          Supports ST SPEAr300 Evaluation Board
+endchoice
+
+endif   #MACH_SPEAR300
diff --git a/arch/arm/mach-spear3xx/Kconfig310 b/arch/arm/mach-spear3xx/Kconfig310
new file mode 100644
index 000000000000..60e7442d75bd
--- /dev/null
+++ b/arch/arm/mach-spear3xx/Kconfig310
@@ -0,0 +1,17 @@
+#
+# SPEAr310 machine configuration file
+#
+
+if MACH_SPEAR310
+
+choice
+        prompt "SPEAr310 Boards"
+        default BOARD_SPEAR310_EVB
+
+config BOARD_SPEAR310_EVB
+        bool "SPEAr310 Evaluation Board"
+        help
+          Supports ST SPEAr310 Evaluation Board
+endchoice
+
+endif   #MACH_SPEAR310
diff --git a/arch/arm/mach-spear3xx/Kconfig320 b/arch/arm/mach-spear3xx/Kconfig320
new file mode 100644
index 000000000000..1c1d438399b8
--- /dev/null
+++ b/arch/arm/mach-spear3xx/Kconfig320
@@ -0,0 +1,17 @@
+#
+# SPEAr320 machine configuration file
+#
+
+if MACH_SPEAR320
+
+choice
+        prompt "SPEAr320 Boards"
+        default BOARD_SPEAR320_EVB
+
+config BOARD_SPEAR320_EVB
+        bool "SPEAr320 Evaluation Board"
+        help
+          Supports ST SPEAr320 Evaluation Board
+endchoice
+
+endif   #MACH_SPEAR320
diff --git a/arch/arm/mach-spear3xx/Makefile b/arch/arm/mach-spear3xx/Makefile
new file mode 100644
index 000000000000..b24862489704
--- /dev/null
+++ b/arch/arm/mach-spear3xx/Makefile
@@ -0,0 +1,26 @@
+#
+# Makefile for SPEAr3XX machine series
+#
+
+# common files
+obj-y   += spear3xx.o clock.o
+
+# spear300 specific files
+obj-$(CONFIG_MACH_SPEAR300) += spear300.o
+
+# spear300 boards files
+obj-$(CONFIG_BOARD_SPEAR300_EVB) += spear300_evb.o
+
+
+# spear310 specific files
+obj-$(CONFIG_MACH_SPEAR310) += spear310.o
+
+# spear310 boards files
+obj-$(CONFIG_BOARD_SPEAR310_EVB) += spear310_evb.o
+
+
+# spear320 specific files
+obj-$(CONFIG_MACH_SPEAR320) += spear320.o
+
+# spear320 boards files
+obj-$(CONFIG_BOARD_SPEAR320_EVB) += spear320_evb.o
diff --git a/arch/arm/mach-spear3xx/Makefile.boot b/arch/arm/mach-spear3xx/Makefile.boot
new file mode 100644
index 000000000000..7a1f3c0eadb8
--- /dev/null
+++ b/arch/arm/mach-spear3xx/Makefile.boot
@@ -0,0 +1,3 @@
+zreladdr-y      := 0x00008000
+params_phys-y   := 0x00000100
+initrd_phys-y   := 0x00800000
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
new file mode 100644
index 000000000000..63aca8fc3ebb
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -0,0 +1,45 @@
+/*
+ * arch/arm/mach-spear3xx/spear300.c
+ *
+ * SPEAr300 machine 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 <asm/irq.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+/* Add spear300 specific devices here */
+/* arm gpio1 device registeration */
+static struct pl061_platform_data gpio1_plat_data = {
+        .gpio_base      = 8,
+        .irq_base       = SPEAR_GPIO1_INT_BASE,
+};
+
+struct amba_device gpio1_device = {
+        .dev = {
+                .init_name = "gpio1",
+                .platform_data = &gpio1_plat_data,
+        },
+        .res = {
+                .start = SPEAR300_GPIO_BASE,
+                .end = SPEAR300_GPIO_BASE + SPEAR300_GPIO_SIZE - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        .irq = {IRQ_GEN_RAS_1, NO_IRQ},
+};
+
+void __init spear300_init(void)
+{
+        /* call spear3xx family common init function */
+        spear3xx_init();
+}
diff --git a/arch/arm/mach-spear3xx/spear300_evb.c b/arch/arm/mach-spear3xx/spear300_evb.c
new file mode 100644
index 000000000000..1272a385c208
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear300_evb.c
@@ -0,0 +1,55 @@
+/*
+ * arch/arm/mach-spear3xx/spear300_evb.c
+ *
+ * SPEAr300 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 = {
+        /* spear3xx specific devices */
+        &gpio_device,
+        &uart_device,
+
+        /* spear300 specific devices */
+        &gpio1_device,
+};
+
+static struct platform_device *plat_devs[] __initdata = {
+        /* spear3xx specific devices */
+
+        /* spear300 specific devices */
+};
+
+static void __init spear300_evb_init(void)
+{
+        unsigned int i;
+
+        /* call spear300 machine init function */
+        spear300_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(SPEAR300, "ST-SPEAR300-EVB")
+        .boot_params    =       0x00000100,
+        .map_io         =       spear3xx_map_io,
+        .init_irq       =       spear3xx_init_irq,
+        .timer          =       &spear_sys_timer,
+        .init_machine   =       spear300_evb_init,
+MACHINE_END
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
new file mode 100644
index 000000000000..6eb62f9de7ee
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -0,0 +1,25 @@
+/*
+ * arch/arm/mach-spear3xx/spear310.c
+ *
+ * SPEAr310 machine 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/ptrace.h>
+#include <asm/irq.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+/* Add spear310 specific devices here */
+
+void __init spear310_init(void)
+{
+        /* call spear3xx family common init function */
+        spear3xx_init();
+}
diff --git a/arch/arm/mach-spear3xx/spear310_evb.c b/arch/arm/mach-spear3xx/spear310_evb.c
new file mode 100644
index 000000000000..e781b2b7f137
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear310_evb.c
@@ -0,0 +1,54 @@
+/*
+ * arch/arm/mach-spear3xx/spear310_evb.c
+ *
+ * SPEAr310 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 = {
+        /* spear3xx specific devices */
+        &gpio_device,
+        &uart_device,
+
+        /* spear310 specific devices */
+};
+
+static struct platform_device *plat_devs[] __initdata = {
+        /* spear3xx specific devices */
+
+        /* spear310 specific devices */
+};
+
+static void __init spear310_evb_init(void)
+{
+        unsigned int i;
+
+        /* call spear310 machine init function */
+        spear310_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(SPEAR310, "ST-SPEAR310-EVB")
+        .boot_params    =       0x00000100,
+        .map_io         =       spear3xx_map_io,
+        .init_irq       =       spear3xx_init_irq,
+        .timer          =       &spear_sys_timer,
+        .init_machine   =       spear310_evb_init,
+MACHINE_END
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c
new file mode 100644
index 000000000000..72d45489dcb0
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear320.c
@@ -0,0 +1,25 @@
+/*
+ * arch/arm/mach-spear3xx/spear320.c
+ *
+ * SPEAr320 machine 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/ptrace.h>
+#include <asm/irq.h>
+#include <mach/generic.h>
+#include <mach/spear.h>
+
+/* Add spear320 specific devices here */
+
+void __init spear320_init(void)
+{
+        /* call spear3xx family common init function */
+        spear3xx_init();
+}
diff --git a/arch/arm/mach-spear3xx/spear320_evb.c b/arch/arm/mach-spear3xx/spear320_evb.c
new file mode 100644
index 000000000000..85bc4d226212
--- /dev/null
+++ b/arch/arm/mach-spear3xx/spear320_evb.c
@@ -0,0 +1,54 @@
+/*
+ * arch/arm/mach-spear3xx/spear320_evb.c
+ *
+ * SPEAr320 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 = {
+        /* spear3xx specific devices */
+        &gpio_device,
+        &uart_device,
+
+        /* spear320 specific devices */
+};
+
+static struct platform_device *plat_devs[] __initdata = {
+        /* spear3xx specific devices */
+
+        /* spear320 specific devices */
+};
+
+static void __init spear320_evb_init(void)
+{
+        unsigned int i;
+
+        /* call spear320 machine init function */
+        spear320_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(SPEAR320, "ST-SPEAR320-EVB")
+        .boot_params    =       0x00000100,
+        .map_io         =       spear3xx_map_io,
+        .init_irq       =       spear3xx_init_irq,
+        .timer          =       &spear_sys_timer,
+        .init_machine   =       spear320_evb_init,
+MACHINE_END
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();
+}