| viresh kumar | bc4e814 | 2010-04-01 12:30:58 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * arch/arm/mach-spear3xx/spear3xx.c |
| 3 | * |
| 4 | * SPEAr3XX machines common source file |
| 5 | * |
| 6 | * Copyright (C) 2009 ST Microelectronics |
| 7 | * Viresh Kumar<viresh.kumar@st.com> |
| 8 | * |
| 9 | * This file is licensed under the terms of the GNU General Public |
| 10 | * License version 2. This program is licensed "as is" without any |
| 11 | * warranty of any kind, whether express or implied. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/types.h> |
| 15 | #include <linux/amba/pl061.h> |
| 16 | #include <linux/ptrace.h> |
| 17 | #include <linux/io.h> |
| 18 | #include <asm/hardware/vic.h> |
| 19 | #include <asm/irq.h> |
| 20 | #include <asm/mach/arch.h> |
| 21 | #include <mach/generic.h> |
| 22 | #include <mach/spear.h> |
| 23 | |
| 24 | /* Add spear3xx machines common devices here */ |
| 25 | /* gpio device registeration */ |
| 26 | static struct pl061_platform_data gpio_plat_data = { |
| 27 | .gpio_base = 0, |
| 28 | .irq_base = SPEAR_GPIO_INT_BASE, |
| 29 | }; |
| 30 | |
| 31 | struct amba_device gpio_device = { |
| 32 | .dev = { |
| 33 | .init_name = "gpio", |
| 34 | .platform_data = &gpio_plat_data, |
| 35 | }, |
| 36 | .res = { |
| 37 | .start = SPEAR3XX_ICM3_GPIO_BASE, |
| 38 | .end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1, |
| 39 | .flags = IORESOURCE_MEM, |
| 40 | }, |
| 41 | .irq = {IRQ_BASIC_GPIO, NO_IRQ}, |
| 42 | }; |
| 43 | |
| 44 | /* uart device registeration */ |
| 45 | struct amba_device uart_device = { |
| 46 | .dev = { |
| 47 | .init_name = "uart", |
| 48 | }, |
| 49 | .res = { |
| 50 | .start = SPEAR3XX_ICM1_UART_BASE, |
| 51 | .end = SPEAR3XX_ICM1_UART_BASE + SPEAR3XX_ICM1_UART_SIZE - 1, |
| 52 | .flags = IORESOURCE_MEM, |
| 53 | }, |
| 54 | .irq = {IRQ_UART, NO_IRQ}, |
| 55 | }; |
| 56 | |
| 57 | /* Do spear3xx familiy common initialization part here */ |
| 58 | void __init spear3xx_init(void) |
| 59 | { |
| 60 | /* nothing to do for now */ |
| 61 | } |
| 62 | |
| 63 | /* This will initialize vic */ |
| 64 | void __init spear3xx_init_irq(void) |
| 65 | { |
| 66 | vic_init((void __iomem *)VA_SPEAR3XX_ML1_VIC_BASE, 0, ~0, 0); |
| 67 | } |
| 68 | |
| 69 | /* Following will create static virtual/physical mappings */ |
| 70 | struct map_desc spear3xx_io_desc[] __initdata = { |
| 71 | { |
| 72 | .virtual = VA_SPEAR3XX_ICM1_UART_BASE, |
| 73 | .pfn = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE), |
| 74 | .length = SPEAR3XX_ICM1_UART_SIZE, |
| 75 | .type = MT_DEVICE |
| 76 | }, { |
| 77 | .virtual = VA_SPEAR3XX_ML1_VIC_BASE, |
| 78 | .pfn = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE), |
| 79 | .length = SPEAR3XX_ML1_VIC_SIZE, |
| 80 | .type = MT_DEVICE |
| 81 | }, { |
| 82 | .virtual = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE, |
| 83 | .pfn = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE), |
| 84 | .length = SPEAR3XX_ICM3_SYS_CTRL_SIZE, |
| 85 | .type = MT_DEVICE |
| 86 | }, { |
| 87 | .virtual = VA_SPEAR3XX_ICM3_MISC_REG_BASE, |
| 88 | .pfn = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE), |
| 89 | .length = SPEAR3XX_ICM3_MISC_REG_SIZE, |
| 90 | .type = MT_DEVICE |
| 91 | }, |
| 92 | }; |
| 93 | |
| 94 | /* This will create static memory mapping for selected devices */ |
| 95 | void __init spear3xx_map_io(void) |
| 96 | { |
| 97 | iotable_init(spear3xx_io_desc, ARRAY_SIZE(spear3xx_io_desc)); |
| 98 | |
| 99 | /* This will initialize clock framework */ |
| 100 | clk_init(); |
| 101 | } |