151 lines
3.4 KiB
C
151 lines
3.4 KiB
C
/*
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* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
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*
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* GPLv2 only
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*/
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#include <common.h>
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#include <init.h>
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#include <asm/armlinux.h>
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#include <asm/system_info.h>
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#include <generated/mach-types.h>
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#include <mach/devices.h>
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#include <environment.h>
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#include <partition.h>
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#include <sizes.h>
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#include <io.h>
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#include <globalvar.h>
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#include <linux/amba/sp804.h>
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#include <mci.h>
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struct vexpress_init {
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void (*core_init)(void);
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void (*mem_init)(void);
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void (*console_init)(void);
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void (*devices_init)(void);
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};
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struct mmci_platform_data mmci_plat = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.clkdiv_init = SDI_CLKCR_CLKDIV_INIT,
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};
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struct vexpress_init *v2m_init;
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static void vexpress_ax_mem_init(void)
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{
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vexpress_add_ddram(SZ_512M);
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}
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#define V2M_SYS_FLASH 0x03c
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static void vexpress_ax_devices_init(void)
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{
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add_cfi_flash_device(0, 0x08000000, SZ_64M, 0);
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add_cfi_flash_device(1, 0x0c000000, SZ_64M, 0);
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vexpress_register_mmc(&mmci_plat);
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add_generic_device("smc911x", DEVICE_ID_DYNAMIC, NULL, 0x1a000000,
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64 * 1024, IORESOURCE_MEM, NULL);
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}
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static void vexpress_ax_console_init(void)
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{
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vexpress_register_uart(0);
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vexpress_register_uart(1);
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vexpress_register_uart(2);
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vexpress_register_uart(3);
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}
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struct vexpress_init vexpress_init_ax = {
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.core_init = vexpress_init,
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.mem_init = vexpress_ax_mem_init,
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.console_init = vexpress_ax_console_init,
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.devices_init = vexpress_ax_devices_init,
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};
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static void vexpress_a9_legacy_mem_init(void)
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{
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vexpress_a9_legacy_add_ddram(SZ_512M, SZ_512M);
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}
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static void vexpress_a9_legacy_devices_init(void)
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{
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add_cfi_flash_device(0, 0x40000000, SZ_64M, 0);
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add_cfi_flash_device(1, 0x44000000, SZ_64M, 0);
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add_generic_device("smc911x", DEVICE_ID_DYNAMIC, NULL, 0x4e000000,
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64 * 1024, IORESOURCE_MEM, NULL);
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vexpress_a9_legacy_register_mmc(&mmci_plat);
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armlinux_set_architecture(MACH_TYPE_VEXPRESS);
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}
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static void vexpress_a9_legacy_console_init(void)
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{
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vexpress_a9_legacy_register_uart(0);
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vexpress_a9_legacy_register_uart(1);
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vexpress_a9_legacy_register_uart(2);
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vexpress_a9_legacy_register_uart(3);
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}
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struct vexpress_init vexpress_init_a9_legacy = {
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.core_init = vexpress_a9_legacy_init,
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.mem_init = vexpress_a9_legacy_mem_init,
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.console_init = vexpress_a9_legacy_console_init,
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.devices_init = vexpress_a9_legacy_devices_init,
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};
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static int vexpress_mem_init(void)
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{
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v2m_init->mem_init();
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return 0;
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}
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mem_initcall(vexpress_mem_init);
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static int vexpress_devices_init(void)
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{
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writel(1, v2m_sysreg_base + V2M_SYS_FLASH);
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v2m_init->devices_init();
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devfs_add_partition("nor0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self");
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devfs_add_partition("nor0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env0");
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return 0;
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}
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device_initcall(vexpress_devices_init);
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static int vexpress_console_init(void)
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{
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v2m_init->console_init();
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return 0;
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}
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console_initcall(vexpress_console_init);
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static int vexpress_core_init(void)
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{
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char *hostname = "vexpress-unknown";
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if (amba_is_arm_sp804(IOMEM(0x10011000))) {
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v2m_init = &vexpress_init_a9_legacy;
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hostname = "vexpress-a9-legacy";
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} else {
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v2m_init = &vexpress_init_ax;
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if (cpu_is_cortex_a5())
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hostname = "vexpress-a5";
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else if (cpu_is_cortex_a7())
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hostname = "vexpress-a7";
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else if (cpu_is_cortex_a9())
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hostname = "vexpress-a9";
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else if (cpu_is_cortex_a15())
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hostname = "vexpress-a15";
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}
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barebox_set_model("ARM Vexpress");
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barebox_set_hostname(hostname);
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v2m_init->core_init();
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return 0;
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}
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postcore_initcall(vexpress_core_init);
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