diff options
| -rw-r--r-- | arch/arm/mach-sa1100/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-sa1100/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-sa1100/cpu-sa1110.c | 33 | ||||
| -rw-r--r-- | arch/arm/mach-sa1100/nanoengine.c | 112 |
4 files changed, 142 insertions, 13 deletions
diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig index 5da8c35..3563d46 100644 --- a/arch/arm/mach-sa1100/Kconfig +++ b/arch/arm/mach-sa1100/Kconfig @@ -118,6 +118,14 @@ config SA1100_LART (also known as the LART). See <http://www.lartmaker.nl/> for information on the LART. +config SA1100_NANOENGINE + bool "nanoEngine" + select CPU_FREQ_SA1110 + help + Say Y here if you are using the Bright Star Engineering nanoEngine. + See <http://www.brightstareng.com/arm/nanoeng.htm> for information + on the BSE nanoEngine. + config SA1100_PLEB bool "PLEB" select CPU_FREQ_SA1100 diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile index 89349c1..8029fe2 100644 --- a/arch/arm/mach-sa1100/Makefile +++ b/arch/arm/mach-sa1100/Makefile @@ -37,6 +37,8 @@ obj-$(CONFIG_SA1100_JORNADA720_SSP) += jornada720_ssp.o obj-$(CONFIG_SA1100_LART) += lart.o led-$(CONFIG_SA1100_LART) += leds-lart.o +obj-$(CONFIG_SA1100_NANOENGINE) += nanoengine.o + obj-$(CONFIG_SA1100_PLEB) += pleb.o obj-$(CONFIG_SA1100_SHANNON) += shannon.o diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c index 7252874..8251af2 100644 --- a/arch/arm/mach-sa1100/cpu-sa1110.c +++ b/arch/arm/mach-sa1100/cpu-sa1110.c @@ -16,28 +16,24 @@ * * The SDRAM type can be passed on the command line as cpu_sa1110.sdram=type */ -#include <linux/moduleparam.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> #include <linux/cpufreq.h> #include <linux/delay.h> #include <linux/init.h> -#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/moduleparam.h> +#include <linux/types.h> -#include <mach/hardware.h> #include <asm/cputype.h> #include <asm/mach-types.h> -#include <asm/system.h> + +#include <mach/hardware.h> #include "generic.h" #undef DEBUG -static struct cpufreq_driver sa1110_driver; - struct sdram_params { - const char name[16]; + const char name[20]; u_char rows; /* bits */ u_char cas_latency; /* cycles */ u_char tck; /* clock cycle time (ns) */ @@ -107,6 +103,15 @@ static struct sdram_params sdram_tbl[] __initdata = { .twr = 8, .refresh = 64000, .cas_latency = 3, + }, { /* Micron MT48LC8M16A2TG-75 */ + .name = "MT48LC8M16A2TG-75", + .rows = 12, + .tck = 8, + .trcd = 20, + .trp = 20, + .twr = 8, + .refresh = 64000, + .cas_latency = 3, }, }; @@ -336,7 +341,9 @@ static int __init sa1110_cpu_init(struct cpufreq_policy *policy) return 0; } -static struct cpufreq_driver sa1110_driver = { +/* sa1110_driver needs __refdata because it must remain after init registers + * it with cpufreq_register_driver() */ +static struct cpufreq_driver sa1110_driver __refdata = { .flags = CPUFREQ_STICKY, .verify = sa11x0_verify_speed, .target = sa1110_target, @@ -369,14 +376,14 @@ static int __init sa1110_clk_init(void) if (!name[0]) { if (machine_is_assabet()) name = "TC59SM716-CL3"; - if (machine_is_pt_system3()) name = "K4S641632D"; - if (machine_is_h3100()) name = "KM416S4030CT"; if (machine_is_jornada720()) name = "K4S281632B-1H"; + if (machine_is_nanoengine()) + name = "MT48LC8M16A2TG-75"; } sdram = sa1110_find_sdram(name); diff --git a/arch/arm/mach-sa1100/nanoengine.c b/arch/arm/mach-sa1100/nanoengine.c new file mode 100644 index 0000000..e4a0309 --- /dev/null +++ b/arch/arm/mach-sa1100/nanoengine.c @@ -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. + * + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/root_dev.h> + +#include <asm/mach-types.h> +#include <asm/setup.h> + +#include <asm/mach/arch.h> +#include <asm/mach/flash.h> +#include <asm/mach/map.h> +#include <asm/mach/serial_sa1100.h> + +#include <mach/hardware.h> + +#include "generic.h" + +/* 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, + } +}; + +static struct flash_platform_data nanoengine_flash_data = { + .map_name = "jedec_probe", + .parts = nanoengine_partitions, + .nr_parts = ARRAY_SIZE(nanoengine_partitions), +}; + +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, + } +}; + +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 + } +}; + +static void __init nanoengine_map_io(void) +{ + sa1100_map_io(); + iotable_init(nanoengine_io_desc, ARRAY_SIZE(nanoengine_io_desc)); + + 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; +} + +static void __init nanoengine_init(void) +{ + sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources, + ARRAY_SIZE(nanoengine_flash_resources)); +} + +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 |