projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 8f590d45 VK |
1 | /* |
| 2 | * arch/arm/mach-spear6xx/spear6xx.c | |
| 3 | * | |
| 4 | * SPEAr6XX machines common source file | |
| 5 | * | |
| 6 | * Copyright (C) 2009 ST Microelectronics | |
| 7 | * Rajeev Kumar<rajeev-dlh.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> | |
| 8f590d45 VK |
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/irqs.h> | |
| 22 | #include <mach/generic.h> | |
| 23 | #include <mach/spear.h> | |
| 24 | ||
| 25 | /* Add spear6xx machines common devices here */ | |
| b595076a | 26 | /* uart device registration */ |
| 8f590d45 VK |
27 | struct amba_device uart_device[] = { |
| 28 | { | |
| 29 | .dev = { | |
| 30 | .init_name = "uart0", | |
| 31 | }, | |
| 32 | .res = { | |
| 33 | .start = SPEAR6XX_ICM1_UART0_BASE, | |
| 34 | .end = SPEAR6XX_ICM1_UART0_BASE + | |
| 35 | SPEAR6XX_ICM1_UART0_SIZE - 1, | |
| 36 | .flags = IORESOURCE_MEM, | |
| 37 | }, | |
| 38 | .irq = {IRQ_UART_0, NO_IRQ}, | |
| 39 | }, { | |
| 40 | .dev = { | |
| 41 | .init_name = "uart1", | |
| 42 | }, | |
| 43 | .res = { | |
| 44 | .start = SPEAR6XX_ICM1_UART1_BASE, | |
| 45 | .end = SPEAR6XX_ICM1_UART1_BASE + | |
| 46 | SPEAR6XX_ICM1_UART1_SIZE - 1, | |
| 47 | .flags = IORESOURCE_MEM, | |
| 48 | }, | |
| 49 | .irq = {IRQ_UART_1, NO_IRQ}, | |
| 50 | } | |
| 51 | }; | |
| 52 | ||
| b595076a | 53 | /* gpio device registration */ |
| 8f590d45 VK |
54 | static struct pl061_platform_data gpio_plat_data[] = { |
| 55 | { | |
| 56 | .gpio_base = 0, | |
| 57 | .irq_base = SPEAR_GPIO0_INT_BASE, | |
| 58 | }, { | |
| 59 | .gpio_base = 8, | |
| 60 | .irq_base = SPEAR_GPIO1_INT_BASE, | |
| 61 | }, { | |
| 62 | .gpio_base = 16, | |
| 63 | .irq_base = SPEAR_GPIO2_INT_BASE, | |
| 64 | }, | |
| 65 | }; | |
| 66 | ||
| 67 | struct amba_device gpio_device[] = { | |
| 68 | { | |
| 69 | .dev = { | |
| 70 | .init_name = "gpio0", | |
| 71 | .platform_data = &gpio_plat_data[0], | |
| 72 | }, | |
| 73 | .res = { | |
| 74 | .start = SPEAR6XX_CPU_GPIO_BASE, | |
| 75 | .end = SPEAR6XX_CPU_GPIO_BASE + | |
| 76 | SPEAR6XX_CPU_GPIO_SIZE - 1, | |
| 77 | .flags = IORESOURCE_MEM, | |
| 78 | }, | |
| 79 | .irq = {IRQ_LOCAL_GPIO, NO_IRQ}, | |
| 80 | }, { | |
| 81 | .dev = { | |
| 82 | .init_name = "gpio1", | |
| 83 | .platform_data = &gpio_plat_data[1], | |
| 84 | }, | |
| 85 | .res = { | |
| 86 | .start = SPEAR6XX_ICM3_GPIO_BASE, | |
| 87 | .end = SPEAR6XX_ICM3_GPIO_BASE + | |
| 88 | SPEAR6XX_ICM3_GPIO_SIZE - 1, | |
| 89 | .flags = IORESOURCE_MEM, | |
| 90 | }, | |
| 91 | .irq = {IRQ_BASIC_GPIO, NO_IRQ}, | |
| 92 | }, { | |
| 93 | .dev = { | |
| 94 | .init_name = "gpio2", | |
| 95 | .platform_data = &gpio_plat_data[2], | |
| 96 | }, | |
| 97 | .res = { | |
| 98 | .start = SPEAR6XX_ICM2_GPIO_BASE, | |
| 99 | .end = SPEAR6XX_ICM2_GPIO_BASE + | |
| 100 | SPEAR6XX_ICM2_GPIO_SIZE - 1, | |
| 101 | .flags = IORESOURCE_MEM, | |
| 102 | }, | |
| 103 | .irq = {IRQ_APPL_GPIO, NO_IRQ}, | |
| 104 | } | |
| 105 | }; | |
| 106 | ||
| 107 | /* This will add devices, and do machine specific tasks */ | |
| 108 | void __init spear6xx_init(void) | |
| 109 | { | |
| 110 | /* nothing to do for now */ | |
| 111 | } | |
| 112 | ||
| 113 | /* This will initialize vic */ | |
| 114 | void __init spear6xx_init_irq(void) | |
| 115 | { | |
| 116 | vic_init((void __iomem *)VA_SPEAR6XX_CPU_VIC_PRI_BASE, 0, ~0, 0); | |
| 117 | vic_init((void __iomem *)VA_SPEAR6XX_CPU_VIC_SEC_BASE, 32, ~0, 0); | |
| 118 | } | |
| 119 | ||
| 120 | /* Following will create static virtual/physical mappings */ | |
| 121 | static struct map_desc spear6xx_io_desc[] __initdata = { | |
| 122 | { | |
| 123 | .virtual = VA_SPEAR6XX_ICM1_UART0_BASE, | |
| 124 | .pfn = __phys_to_pfn(SPEAR6XX_ICM1_UART0_BASE), | |
| 125 | .length = SPEAR6XX_ICM1_UART0_SIZE, | |
| 126 | .type = MT_DEVICE | |
| 127 | }, { | |
| 128 | .virtual = VA_SPEAR6XX_CPU_VIC_PRI_BASE, | |
| 129 | .pfn = __phys_to_pfn(SPEAR6XX_CPU_VIC_PRI_BASE), | |
| 130 | .length = SPEAR6XX_CPU_VIC_PRI_SIZE, | |
| 131 | .type = MT_DEVICE | |
| 132 | }, { | |
| 133 | .virtual = VA_SPEAR6XX_CPU_VIC_SEC_BASE, | |
| 134 | .pfn = __phys_to_pfn(SPEAR6XX_CPU_VIC_SEC_BASE), | |
| 135 | .length = SPEAR6XX_CPU_VIC_SEC_SIZE, | |
| 136 | .type = MT_DEVICE | |
| 137 | }, { | |
| 138 | .virtual = VA_SPEAR6XX_ICM3_SYS_CTRL_BASE, | |
| 139 | .pfn = __phys_to_pfn(SPEAR6XX_ICM3_SYS_CTRL_BASE), | |
| 140 | .length = SPEAR6XX_ICM3_MISC_REG_BASE, | |
| 141 | .type = MT_DEVICE | |
| 142 | }, { | |
| 143 | .virtual = VA_SPEAR6XX_ICM3_MISC_REG_BASE, | |
| 144 | .pfn = __phys_to_pfn(SPEAR6XX_ICM3_MISC_REG_BASE), | |
| 145 | .length = SPEAR6XX_ICM3_MISC_REG_SIZE, | |
| 146 | .type = MT_DEVICE | |
| 147 | }, | |
| 148 | }; | |
| 149 | ||
| 150 | /* This will create static memory mapping for selected devices */ | |
| 151 | void __init spear6xx_map_io(void) | |
| 152 | { | |
| 153 | iotable_init(spear6xx_io_desc, ARRAY_SIZE(spear6xx_io_desc)); | |
| 154 | ||
| 155 | /* This will initialize clock framework */ | |
| 156 | clk_init(); | |
| 157 | } |