diff options
Diffstat (limited to 'arch/arm/mach-nspire/nspire.c')
-rw-r--r-- | arch/arm/mach-nspire/nspire.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/mach-nspire/nspire.c b/arch/arm/mach-nspire/nspire.c new file mode 100644 index 00000000000..99e26092a9f --- /dev/null +++ b/arch/arm/mach-nspire/nspire.c @@ -0,0 +1,89 @@ +/* + * linux/arch/arm/mach-nspire/nspire.c + * + * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> + * + * 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/init.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> +#include <linux/irqchip.h> +#include <linux/irqchip/arm-vic.h> +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include <linux/amba/bus.h> +#include <linux/amba/clcd.h> +#include <linux/clocksource.h> + +#include <asm/mach/arch.h> +#include <asm/mach-types.h> +#include <asm/mach/map.h> + +#include <asm/hardware/timer-sp.h> + +#include "mmio.h" +#include "clcd.h" + +static const char *nspire_dt_match[] __initconst = { + "ti,nspire", + "ti,nspire-cx", + "ti,nspire-tp", + "ti,nspire-clp", + NULL, +}; + +static void __init nspire_map_io(void) +{ + debug_ll_io_init(); +} + +static struct clcd_board nspire_clcd_data = { + .name = "LCD", + .caps = CLCD_CAP_5551 | CLCD_CAP_565, + .check = clcdfb_check, + .decode = clcdfb_decode, + .setup = nspire_clcd_setup, + .mmap = nspire_clcd_mmap, + .remove = nspire_clcd_remove, +}; + + +static struct of_dev_auxdata nspire_auxdata[] __initdata = { + OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE, + NULL, &nspire_clcd_data), + { } +}; + +static void __init nspire_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, + nspire_auxdata, NULL); +} + +static void __init nspire_init_time(void) +{ + of_clk_init(NULL); + clocksource_of_init(); +} + +static void nspire_restart(char mode, const char *cmd) +{ + void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K); + if (!base) + return; + + writel(2, base + NSPIRE_MISC_HWRESET); +} + +DT_MACHINE_START(NSPIRE, "TI-NSPIRE") + .dt_compat = nspire_dt_match, + .map_io = nspire_map_io, + .init_time = nspire_init_time, + .init_machine = nspire_init, + .restart = nspire_restart, +MACHINE_END |