2eae613b95
This patch adds device tree entry for MFC v6 in the Exynos5 SoC. Makes the required changes in the clock files and adds MFC to the DT device list. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Signed-off-by: Arun Kumar K <arun.kk@samsung.com> [kgene.kim@samsung.com: fixed section mismatches Seung-Woo Kim reported] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/*
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* SAMSUNG EXYNOS5250 Flattened Device Tree enabled machine
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*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/of_platform.h>
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#include <linux/serial_core.h>
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#include <linux/memblock.h>
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#include <linux/of_fdt.h>
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#include <asm/mach/arch.h>
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#include <asm/hardware/gic.h>
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#include <mach/map.h>
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#include <plat/cpu.h>
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#include <plat/regs-serial.h>
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#include <plat/mfc.h>
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#include "common.h"
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/*
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* The following lookup table is used to override device names when devices
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* are registered from device tree. This is temporarily added to enable
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* device tree support addition for the EXYNOS5 architecture.
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*
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* For drivers that require platform data to be provided from the machine
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* file, a platform data pointer can also be supplied along with the
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* devices names. Usually, the platform data elements that cannot be parsed
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* from the device tree by the drivers (example: function pointers) are
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* supplied. But it should be noted that this is a temporary mechanism and
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* at some point, the drivers should be capable of parsing all the platform
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* data from the device tree.
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*/
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static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART0,
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"exynos4210-uart.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART1,
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"exynos4210-uart.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART2,
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"exynos4210-uart.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART3,
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"exynos4210-uart.3", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(0),
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"s3c2440-i2c.0", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
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"s3c2440-i2c.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI0,
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"dw_mmc.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI1,
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"dw_mmc.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI2,
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"dw_mmc.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI3,
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"dw_mmc.3", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI0,
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"exynos4210-spi.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI1,
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"exynos4210-spi.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI2,
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"exynos4210-spi.2", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC0,
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"exynos-gsc.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC1,
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"exynos-gsc.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC2,
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"exynos-gsc.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3,
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"exynos-gsc.3", NULL),
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OF_DEV_AUXDATA("samsung,mfc-v6", 0x11000000, "s5p-mfc-v6", NULL),
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{},
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};
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static void __init exynos5250_dt_map_io(void)
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{
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exynos_init_io(NULL, 0);
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s3c24xx_init_clocks(24000000);
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}
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static void __init exynos5250_dt_machine_init(void)
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{
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of_platform_populate(NULL, of_default_bus_match_table,
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exynos5250_auxdata_lookup, NULL);
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}
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static char const *exynos5250_dt_compat[] __initdata = {
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"samsung,exynos5250",
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NULL
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};
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static void __init exynos5_reserve(void)
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{
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struct s5p_mfc_dt_meminfo mfc_mem;
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/* Reserve memory for MFC only if it's available */
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mfc_mem.compatible = "samsung,mfc-v6";
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if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
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s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
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mfc_mem.lsize);
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}
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DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
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/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
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.init_irq = exynos5_init_irq,
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.smp = smp_ops(exynos_smp_ops),
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.map_io = exynos5250_dt_map_io,
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.handle_irq = gic_handle_irq,
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.init_machine = exynos5250_dt_machine_init,
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.init_late = exynos_init_late,
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.timer = &exynos4_timer,
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.dt_compat = exynos5250_dt_compat,
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.restart = exynos5_restart,
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.reserve = exynos5_reserve,
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MACHINE_END
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