diff options
Diffstat (limited to 'arch/arm/mach-spear6xx/spear6xx.c')
-rw-r--r-- | arch/arm/mach-spear6xx/spear6xx.c | 158 |
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 0000000..b67e571 --- /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(); +} |