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9851ca5774
This patch adds support for the TI-Nspire platform. Changes between v1 and v2: * Added GENERIC_IRQ_CHIP to platform Kconfig Signed-off-by: Daniel Tang <dt.tangr@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
/*
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* linux/arch/arm/mach-nspire/nspire.c
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*
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* Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
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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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*/
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#include <linux/init.h>
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#include <linux/of_irq.h>
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#include <linux/of_address.h>
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#include <linux/of_platform.h>
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#include <linux/irqchip.h>
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#include <linux/irqchip/arm-vic.h>
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#include <linux/clk-provider.h>
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#include <linux/clkdev.h>
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#include <linux/amba/bus.h>
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#include <linux/amba/clcd.h>
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#include <linux/clocksource.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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#include <asm/mach/map.h>
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#include <asm/hardware/timer-sp.h>
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#include "mmio.h"
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#include "clcd.h"
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static const char *nspire_dt_match[] __initconst = {
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"ti,nspire",
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"ti,nspire-cx",
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"ti,nspire-tp",
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"ti,nspire-clp",
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NULL,
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};
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static void __init nspire_map_io(void)
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{
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debug_ll_io_init();
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}
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static struct clcd_board nspire_clcd_data = {
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.name = "LCD",
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.caps = CLCD_CAP_5551 | CLCD_CAP_565,
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.check = clcdfb_check,
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.decode = clcdfb_decode,
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.setup = nspire_clcd_setup,
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.mmap = nspire_clcd_mmap,
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.remove = nspire_clcd_remove,
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};
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static struct of_dev_auxdata nspire_auxdata[] __initdata = {
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OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE,
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NULL, &nspire_clcd_data),
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{ }
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};
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static void __init nspire_init(void)
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{
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of_platform_populate(NULL, of_default_bus_match_table,
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nspire_auxdata, NULL);
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}
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static void __init nspire_init_time(void)
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{
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of_clk_init(NULL);
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clocksource_of_init();
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}
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static void nspire_restart(char mode, const char *cmd)
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{
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void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K);
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if (!base)
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return;
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writel(2, base + NSPIRE_MISC_HWRESET);
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}
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DT_MACHINE_START(NSPIRE, "TI-NSPIRE")
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.dt_compat = nspire_dt_match,
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.map_io = nspire_map_io,
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.init_time = nspire_init_time,
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.init_machine = nspire_init,
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.restart = nspire_restart,
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MACHINE_END
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