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ARM: 6447/3: sa1100: Put nanoEngine support back in the kernel
Adds Bright Star Engineering's nanoEngine board support to the kernel. Also: - Adds the nanoEngine memory chip to arch/arm/mach-sa1100/cpu-sa1110.c (Micron MT48LC8M16A2TG-75). - Increase in the sdram_params->name[] field length to accomodate the name of the memory chip. - Clean up of header content and order of arch/arm/mach-sa1100/cpu-sa1110.c Signed-off-by: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Marcelo Roberto Jimenez
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Russell King
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Dec 21, 2010
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * linux/arch/arm/mach-sa1100/nanoengine.c | ||
| * | ||
| * Bright Star Engineering's nanoEngine board init code. | ||
| * | ||
| * Copyright (C) 2009 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
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| #include <linux/init.h> | ||
| #include <linux/kernel.h> | ||
| #include <linux/mtd/mtd.h> | ||
| #include <linux/mtd/partitions.h> | ||
| #include <linux/root_dev.h> | ||
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| #include <asm/mach-types.h> | ||
| #include <asm/setup.h> | ||
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| #include <asm/mach/arch.h> | ||
| #include <asm/mach/flash.h> | ||
| #include <asm/mach/map.h> | ||
| #include <asm/mach/serial_sa1100.h> | ||
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| #include <mach/hardware.h> | ||
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| #include "generic.h" | ||
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| /* Flash bank 0 */ | ||
| static struct mtd_partition nanoengine_partitions[] = { | ||
| { | ||
| .name = "nanoEngine boot firmware and parameter table", | ||
| .size = 0x00010000, /* 32K */ | ||
| .offset = 0, | ||
| .mask_flags = MTD_WRITEABLE, | ||
| }, { | ||
| .name = "kernel/initrd reserved", | ||
| .size = 0x002f0000, | ||
| .offset = 0x00010000, | ||
| .mask_flags = MTD_WRITEABLE, | ||
| }, { | ||
| .name = "experimental filesystem allocation", | ||
| .size = 0x00100000, | ||
| .offset = 0x00300000, | ||
| .mask_flags = MTD_WRITEABLE, | ||
| } | ||
| }; | ||
|
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| static struct flash_platform_data nanoengine_flash_data = { | ||
| .map_name = "jedec_probe", | ||
| .parts = nanoengine_partitions, | ||
| .nr_parts = ARRAY_SIZE(nanoengine_partitions), | ||
| }; | ||
|
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| static struct resource nanoengine_flash_resources[] = { | ||
| { | ||
| .start = SA1100_CS0_PHYS, | ||
| .end = SA1100_CS0_PHYS + SZ_32M - 1, | ||
| .flags = IORESOURCE_MEM, | ||
| }, { | ||
| .start = SA1100_CS1_PHYS, | ||
| .end = SA1100_CS1_PHYS + SZ_32M - 1, | ||
| .flags = IORESOURCE_MEM, | ||
| } | ||
| }; | ||
|
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| static struct map_desc nanoengine_io_desc[] __initdata = { | ||
| { | ||
| /* System Registers */ | ||
| .virtual = 0xf0000000, | ||
| .pfn = __phys_to_pfn(0x10000000), | ||
| .length = 0x00100000, | ||
| .type = MT_DEVICE | ||
| }, { | ||
| /* Internal PCI Config Space */ | ||
| .virtual = 0xf1000000, | ||
| .pfn = __phys_to_pfn(0x18A00000), | ||
| .length = 0x00100000, | ||
| .type = MT_DEVICE | ||
| } | ||
| }; | ||
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| static void __init nanoengine_map_io(void) | ||
| { | ||
| sa1100_map_io(); | ||
| iotable_init(nanoengine_io_desc, ARRAY_SIZE(nanoengine_io_desc)); | ||
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| sa1100_register_uart(0, 1); | ||
| sa1100_register_uart(1, 2); | ||
| sa1100_register_uart(2, 3); | ||
| Ser1SDCR0 |= SDCR0_UART; | ||
| /* disable IRDA -- UART2 is used as a normal serial port */ | ||
| Ser2UTCR4 = 0; | ||
| Ser2HSCR0 = 0; | ||
| } | ||
|
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| static void __init nanoengine_init(void) | ||
| { | ||
| sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources, | ||
| ARRAY_SIZE(nanoengine_flash_resources)); | ||
| } | ||
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| MACHINE_START(NANOENGINE, "BSE nanoEngine") | ||
| .boot_params = 0xc0000000, | ||
| .map_io = nanoengine_map_io, | ||
| .init_irq = sa1100_init_irq, | ||
| .timer = &sa1100_timer, | ||
| .init_machine = nanoengine_init, | ||
| MACHINE_END |