diff options
Diffstat (limited to 'arch/arm/mach-clps711x/edb7211.c')
-rw-r--r-- | arch/arm/mach-clps711x/edb7211.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/edb7211.c b/arch/arm/mach-clps711x/edb7211.c new file mode 100644 index 0000000..88f4690 --- /dev/null +++ b/arch/arm/mach-clps711x/edb7211.c @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2000, 2001 Blue Mug, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/init.h> +#include <linux/memblock.h> +#include <linux/types.h> + +#include <asm/setup.h> +#include <asm/mach/map.h> +#include <asm/mach/arch.h> +#include <asm/mach-types.h> + +#include <mach/hardware.h> + +#include "common.h" + +#define VIDEORAM_SIZE SZ_128K + +static struct map_desc edb7211_io_desc[] __initdata = { + { /* Memory-mapped extra keyboard row */ + .virtual = IO_ADDRESS(EP7211_PHYS_EXTKBD), + .pfn = __phys_to_pfn(EP7211_PHYS_EXTKBD), + .length = SZ_1M, + .type = MT_DEVICE, + }, { /* CS8900A Ethernet chip */ + .virtual = IO_ADDRESS(EP7211_PHYS_CS8900A), + .pfn = __phys_to_pfn(EP7211_PHYS_CS8900A), + .length = SZ_1M, + .type = MT_DEVICE, + }, { /* Flash bank 0 */ + .virtual = IO_ADDRESS(EP7211_PHYS_FLASH1), + .pfn = __phys_to_pfn(EP7211_PHYS_FLASH1), + .length = SZ_8M, + .type = MT_DEVICE, + }, { /* Flash bank 1 */ + .virtual = IO_ADDRESS(EP7211_PHYS_FLASH2), + .pfn = __phys_to_pfn(EP7211_PHYS_FLASH2), + .length = SZ_8M, + .type = MT_DEVICE, + }, +}; + +void __init edb7211_map_io(void) +{ + clps711x_map_io(); + iotable_init(edb7211_io_desc, ARRAY_SIZE(edb7211_io_desc)); +} + +/* Reserve screen memory region at the start of main system memory. */ +static void __init edb7211_reserve(void) +{ + memblock_reserve(PHYS_OFFSET, VIDEORAM_SIZE); +} + +static void __init +fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi) +{ + /* + * Bank start addresses are not present in the information + * passed in from the boot loader. We could potentially + * detect them, but instead we hard-code them. + * + * Banks sizes _are_ present in the param block, but we're + * not using that information yet. + */ + mi->bank[0].start = 0xc0000000; + mi->bank[0].size = SZ_8M; + mi->bank[1].start = 0xc1000000; + mi->bank[1].size = SZ_8M; + mi->nr_banks = 2; +} + +MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)") + /* Maintainer: Jon McClintock */ + .atag_offset = VIDEORAM_SIZE + 0x100, + .fixup = fixup_edb7211, + .map_io = edb7211_map_io, + .reserve = edb7211_reserve, + .init_irq = clps711x_init_irq, + .timer = &clps711x_timer, + .restart = clps711x_restart, +MACHINE_END |