diff options
Diffstat (limited to 'arch/arm/mach-exynos/mach-exynos5-dt.c')
| -rw-r--r-- | arch/arm/mach-exynos/mach-exynos5-dt.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c deleted file mode 100644 index e99d3d8f2bc..00000000000 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * SAMSUNG EXYNOS5250 Flattened Device Tree enabled machine - * - * Copyright (c) 2012 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/of_platform.h> -#include <linux/of_fdt.h> -#include <linux/serial_core.h> -#include <linux/memblock.h> -#include <linux/io.h> - -#include <asm/mach/arch.h> -#include <asm/hardware/gic.h> -#include <mach/map.h> -#include <mach/regs-pmu.h> - -#include <plat/cpu.h> -#include <plat/regs-serial.h> -#include <plat/mfc.h> - -#include "common.h" - -/* - * The following lookup table is used to override device names when devices - * are registered from device tree. This is temporarily added to enable - * device tree support addition for the EXYNOS5 architecture. - * - * For drivers that require platform data to be provided from the machine - * file, a platform data pointer can also be supplied along with the - * devices names. Usually, the platform data elements that cannot be parsed - * from the device tree by the drivers (example: function pointers) are - * supplied. But it should be noted that this is a temporary mechanism and - * at some point, the drivers should be capable of parsing all the platform - * data from the device tree. - */ -static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { - OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART0, - "exynos4210-uart.0", NULL), - OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART1, - "exynos4210-uart.1", NULL), - OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART2, - "exynos4210-uart.2", NULL), - OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART3, - "exynos4210-uart.3", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(0), - "s3c2440-i2c.0", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1), - "s3c2440-i2c.1", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(2), - "s3c2440-i2c.2", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(3), - "s3c2440-i2c.3", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(4), - "s3c2440-i2c.4", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(5), - "s3c2440-i2c.5", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(6), - "s3c2440-i2c.6", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(7), - "s3c2440-i2c.7", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-hdmiphy-i2c", EXYNOS5_PA_IIC(8), - "s3c2440-hdmiphy-i2c", NULL), - OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI0, - "dw_mmc.0", NULL), - OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI1, - "dw_mmc.1", NULL), - OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI2, - "dw_mmc.2", NULL), - OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI3, - "dw_mmc.3", NULL), - OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI0, - "exynos4210-spi.0", NULL), - OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI1, - "exynos4210-spi.1", NULL), - OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI2, - "exynos4210-spi.2", NULL), - OF_DEV_AUXDATA("samsung,exynos5-sata-ahci", 0x122F0000, - "exynos5-sata", NULL), - OF_DEV_AUXDATA("samsung,exynos5-sata-phy", 0x12170000, - "exynos5-sata-phy", NULL), - OF_DEV_AUXDATA("samsung,exynos5-sata-phy-i2c", 0x121D0000, - "exynos5-sata-phy-i2c", NULL), - OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL), - OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL), - OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL), - OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC0, - "exynos-gsc.0", NULL), - OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC1, - "exynos-gsc.1", NULL), - OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC2, - "exynos-gsc.2", NULL), - OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3, - "exynos-gsc.3", NULL), - OF_DEV_AUXDATA("samsung,exynos5-hdmi", 0x14530000, - "exynos5-hdmi", NULL), - OF_DEV_AUXDATA("samsung,exynos5-mixer", 0x14450000, - "exynos5-mixer", NULL), - OF_DEV_AUXDATA("samsung,mfc-v6", 0x11000000, "s5p-mfc-v6", NULL), - OF_DEV_AUXDATA("samsung,exynos5250-tmu", 0x10060000, - "exynos-tmu", NULL), - {}, -}; - -static const struct of_dev_auxdata exynos5440_auxdata_lookup[] __initconst = { - OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5440_PA_UART0, - "exynos4210-uart.0", NULL), - {}, -}; - -static void __init exynos5_dt_map_io(void) -{ - unsigned long root = of_get_flat_dt_root(); - - exynos_init_io(NULL, 0); - - if (of_flat_dt_is_compatible(root, "samsung,exynos5250")) - s3c24xx_init_clocks(24000000); -} - -static void __init exynos5_dt_machine_init(void) -{ - struct device_node *i2c_np; - const char *i2c_compat = "samsung,s3c2440-i2c"; - unsigned int tmp; - - /* - * Exynos5's legacy i2c controller and new high speed i2c - * controller have muxed interrupt sources. By default the - * interrupts for 4-channel HS-I2C controller are enabled. - * If node for first four channels of legacy i2c controller - * are available then re-configure the interrupts via the - * system register. - */ - for_each_compatible_node(i2c_np, NULL, i2c_compat) { - if (of_device_is_available(i2c_np)) { - if (of_alias_get_id(i2c_np, "i2c") < 4) { - tmp = readl(EXYNOS5_SYS_I2C_CFG); - writel(tmp & ~(0x1 << of_alias_get_id(i2c_np, "i2c")), - EXYNOS5_SYS_I2C_CFG); - } - } - } - - if (of_machine_is_compatible("samsung,exynos5250")) - of_platform_populate(NULL, of_default_bus_match_table, - exynos5250_auxdata_lookup, NULL); - else if (of_machine_is_compatible("samsung,exynos5440")) - of_platform_populate(NULL, of_default_bus_match_table, - exynos5440_auxdata_lookup, NULL); -} - -static char const *exynos5_dt_compat[] __initdata = { - "samsung,exynos5250", - "samsung,exynos5440", - NULL -}; - -static void __init exynos5_reserve(void) -{ -#ifdef CONFIG_S5P_DEV_MFC - struct s5p_mfc_dt_meminfo mfc_mem; - - /* Reserve memory for MFC only if it's available */ - mfc_mem.compatible = "samsung,mfc-v6"; - if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem)) - s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff, - mfc_mem.lsize); -#endif -} - -DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)") - /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */ - .init_irq = exynos5_init_irq, - .smp = smp_ops(exynos_smp_ops), - .map_io = exynos5_dt_map_io, - .handle_irq = gic_handle_irq, - .init_machine = exynos5_dt_machine_init, - .init_late = exynos_init_late, - .timer = &exynos4_timer, - .dt_compat = exynos5_dt_compat, - .restart = exynos5_restart, - .reserve = exynos5_reserve, -MACHINE_END |
