102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/*
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* arch/arm/mach-spear3xx/spear3xx.c
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*
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* SPEAr3XX machines common source file
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*
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* Copyright (C) 2009 ST Microelectronics
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* Viresh Kumar<viresh.kumar@st.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/types.h>
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#include <linux/amba/pl061.h>
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#include <linux/ptrace.h>
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#include <linux/io.h>
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#include <asm/hardware/vic.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <mach/generic.h>
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#include <mach/spear.h>
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/* Add spear3xx machines common devices here */
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/* gpio device registeration */
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static struct pl061_platform_data gpio_plat_data = {
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.gpio_base = 0,
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.irq_base = SPEAR_GPIO_INT_BASE,
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};
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struct amba_device gpio_device = {
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.dev = {
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.init_name = "gpio",
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.platform_data = &gpio_plat_data,
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},
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.res = {
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.start = SPEAR3XX_ICM3_GPIO_BASE,
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.end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1,
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.flags = IORESOURCE_MEM,
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},
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.irq = {IRQ_BASIC_GPIO, NO_IRQ},
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};
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/* uart device registeration */
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struct amba_device uart_device = {
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.dev = {
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.init_name = "uart",
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},
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.res = {
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.start = SPEAR3XX_ICM1_UART_BASE,
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.end = SPEAR3XX_ICM1_UART_BASE + SPEAR3XX_ICM1_UART_SIZE - 1,
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.flags = IORESOURCE_MEM,
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},
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.irq = {IRQ_UART, NO_IRQ},
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};
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/* Do spear3xx familiy common initialization part here */
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void __init spear3xx_init(void)
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{
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/* nothing to do for now */
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}
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/* This will initialize vic */
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void __init spear3xx_init_irq(void)
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{
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vic_init((void __iomem *)VA_SPEAR3XX_ML1_VIC_BASE, 0, ~0, 0);
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}
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/* Following will create static virtual/physical mappings */
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struct map_desc spear3xx_io_desc[] __initdata = {
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{
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.virtual = VA_SPEAR3XX_ICM1_UART_BASE,
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.pfn = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE),
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.length = SPEAR3XX_ICM1_UART_SIZE,
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.type = MT_DEVICE
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}, {
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.virtual = VA_SPEAR3XX_ML1_VIC_BASE,
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.pfn = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE),
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.length = SPEAR3XX_ML1_VIC_SIZE,
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.type = MT_DEVICE
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}, {
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.virtual = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE,
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.pfn = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE),
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.length = SPEAR3XX_ICM3_SYS_CTRL_SIZE,
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.type = MT_DEVICE
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}, {
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.virtual = VA_SPEAR3XX_ICM3_MISC_REG_BASE,
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.pfn = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE),
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.length = SPEAR3XX_ICM3_MISC_REG_SIZE,
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.type = MT_DEVICE
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},
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};
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/* This will create static memory mapping for selected devices */
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void __init spear3xx_map_io(void)
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{
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iotable_init(spear3xx_io_desc, ARRAY_SIZE(spear3xx_io_desc));
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/* This will initialize clock framework */
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clk_init();
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}
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