[ARM] JIVE: Initial machine support for Logitech Jive
This is the base machine support for the Logitech Jive machine. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks
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4 changed files with 364 additions and 0 deletions
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@ -1208,6 +1208,11 @@ and is between 256 and 4096 characters. It is defined in the file
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mtdparts= [MTD]
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See drivers/mtd/cmdlinepart.c.
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mtdset= [ARM]
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ARM/S3C2412 JIVE boot control
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See arch/arm/mach-s3c2412/mach-jive.c
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mtouchusb.raw_coordinates=
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[HW] Make the MicroTouch USB driver use raw coordinates
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('y', default) or cooked coordinates ('n')
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@ -34,6 +34,16 @@ config S3C2412_PM
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menu "S3C2412 Machines"
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config MACH_JIVE
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bool "Logitech Jive"
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select CPU_S3C2412
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help
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Say Y here if you are using the Logitech Jive.
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config MACH_JIVE_SHOW_BOOTLOADER
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bool "Allow access to bootloader partitions in MTD"
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depends on MACH_JIVE && EXPERIMENTAL
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config MACH_SMDK2413
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bool "SMDK2413"
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select CPU_S3C2412
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@ -18,5 +18,6 @@ obj-$(CONFIG_S3C2412_PM) += pm.o sleep.o
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# Machine support
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obj-$(CONFIG_MACH_JIVE) += mach-jive.o
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obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o
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obj-$(CONFIG_MACH_VSTMS) += mach-vstms.o
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348
arch/arm/mach-s3c2412/mach-jive.c
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348
arch/arm/mach-s3c2412/mach-jive.c
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@ -0,0 +1,348 @@
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/* linux/arch/arm/mach-s3c2410/mach-jive.c
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*
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* Copyright 2007 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* http://armlinux.simtec.co.uk/
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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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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/sysdev.h>
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/plat-s3c/regs-serial.h>
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#include <asm/plat-s3c/nand.h>
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#include <asm/arch/regs-power.h>
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#include <asm/arch/regs-gpio.h>
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#include <asm/arch/regs-mem.h>
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#include <asm/arch/regs-lcd.h>
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#include <asm/mach-types.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/nand_ecc.h>
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#include <linux/mtd/partitions.h>
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#include <asm/plat-s3c24xx/clock.h>
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#include <asm/plat-s3c24xx/devs.h>
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#include <asm/plat-s3c24xx/cpu.h>
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#include <asm/plat-s3c24xx/pm.h>
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#include <asm/plat-s3c24xx/udc.h>
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static struct map_desc jive_iodesc[] __initdata = {
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};
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#define UCON S3C2410_UCON_DEFAULT
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg jive_uartcfgs[] = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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}
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};
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/* Jive flash assignment
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*
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* 0x00000000-0x00028000 : uboot
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* 0x00028000-0x0002c000 : uboot env
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* 0x0002c000-0x00030000 : spare
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* 0x00030000-0x00200000 : zimage A
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* 0x00200000-0x01600000 : cramfs A
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* 0x01600000-0x017d0000 : zimage B
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* 0x017d0000-0x02bd0000 : cramfs B
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* 0x02bd0000-0x03fd0000 : yaffs
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*/
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static struct mtd_partition jive_imageA_nand_part[] = {
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#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
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/* Don't allow access to the bootloader from linux */
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{
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.name = "uboot",
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.offset = 0,
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.size = (160 * SZ_1K),
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* spare */
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{
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.name = "spare",
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.offset = (176 * SZ_1K),
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.size = (16 * SZ_1K),
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},
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#endif
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/* booted images */
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{
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.name = "kernel (ro)",
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.offset = (192 * SZ_1K),
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.size = (SZ_2M) - (192 * SZ_1K),
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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}, {
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.name = "root (ro)",
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.offset = (SZ_2M),
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.size = (20 * SZ_1M),
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* yaffs */
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{
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.name = "yaffs",
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.offset = (44 * SZ_1M),
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.size = (20 * SZ_1M),
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},
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/* bootloader environment */
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{
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.name = "env",
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.offset = (160 * SZ_1K),
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.size = (16 * SZ_1K),
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},
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/* upgrade images */
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{
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.name = "zimage",
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.offset = (22 * SZ_1M),
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.size = (2 * SZ_1M) - (192 * SZ_1K),
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}, {
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.name = "cramfs",
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.offset = (24 * SZ_1M) - (192*SZ_1K),
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.size = (20 * SZ_1M),
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},
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};
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static struct mtd_partition jive_imageB_nand_part[] = {
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#ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
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/* Don't allow access to the bootloader from linux */
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{
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.name = "uboot",
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.offset = 0,
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.size = (160 * SZ_1K),
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* spare */
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{
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.name = "spare",
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.offset = (176 * SZ_1K),
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.size = (16 * SZ_1K),
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},
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#endif
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/* booted images */
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{
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.name = "kernel (ro)",
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.offset = (22 * SZ_1M),
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.size = (2 * SZ_1M) - (192 * SZ_1K),
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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{
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.name = "root (ro)",
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.offset = (24 * SZ_1M) - (192 * SZ_1K),
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.size = (20 * SZ_1M),
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* yaffs */
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{
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.name = "yaffs",
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.offset = (44 * SZ_1M),
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.size = (20 * SZ_1M),
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},
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/* bootloader environment */
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{
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.name = "env",
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.offset = (160 * SZ_1K),
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.size = (16 * SZ_1K),
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},
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/* upgrade images */
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{
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.name = "zimage",
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.offset = (192 * SZ_1K),
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.size = (2 * SZ_1M) - (192 * SZ_1K),
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}, {
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.name = "cramfs",
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.offset = (2 * SZ_1M),
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.size = (20 * SZ_1M),
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},
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};
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static struct s3c2410_nand_set jive_nand_sets[] = {
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[0] = {
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.name = "flash",
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.nr_chips = 1,
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.nr_partitions = ARRAY_SIZE(jive_imageA_nand_part),
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.partitions = jive_imageA_nand_part,
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},
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};
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static struct s3c2410_platform_nand jive_nand_info = {
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/* set taken from osiris nand timings, possibly still conservative */
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.tacls = 30,
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.twrph0 = 55,
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.twrph1 = 40,
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.sets = jive_nand_sets,
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.nr_sets = ARRAY_SIZE(jive_nand_sets),
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};
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static int __init jive_mtdset(char *options)
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{
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struct s3c2410_nand_set *nand = &jive_nand_sets[0];
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unsigned long set;
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if (options == NULL || options[0] == '\0')
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return 0;
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if (strict_strtoul(options, 10, &set)) {
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printk(KERN_ERR "failed to parse mtdset=%s\n", options);
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return 0;
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}
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switch (set) {
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case 1:
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nand->nr_partitions = ARRAY_SIZE(jive_imageB_nand_part);
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nand->partitions = jive_imageB_nand_part;
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case 0:
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/* this is already setup in the nand info */
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break;
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default:
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printk(KERN_ERR "Unknown mtd set %ld specified,"
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"using default.", set);
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}
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return 0;
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}
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/* parse the mtdset= option given to the kernel command line */
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__setup("mtdset=", jive_mtdset);
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static struct platform_device *jive_devices[] __initdata = {
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&s3c_device_usb,
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&s3c_device_rtc,
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&s3c_device_wdt,
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&s3c_device_i2c,
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&s3c_device_nand,
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&s3c_device_usbgadget,
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};
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static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = {
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.vbus_pin = S3C2410_GPG1, /* detect is on GPG1 */
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};
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/* Jive power management device */
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#ifdef CONFIG_PM
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static int jive_pm_suspend(struct sys_device *sd, pm_message_t state)
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{
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/* Write the magic value u-boot uses to check for resume into
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* the INFORM0 register, and ensure INFORM1 is set to the
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* correct address to resume from. */
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__raw_writel(0x2BED, S3C2412_INFORM0);
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__raw_writel(virt_to_phys(s3c2410_cpu_resume), S3C2412_INFORM1);
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return 0;
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}
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static int jive_pm_resume(struct sys_device *sd)
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{
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__raw_writel(0x0, S3C2412_INFORM0);
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return 0;
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}
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#else
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#define jive_pm_suspend NULL
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#define jive_pm_resume NULL
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#endif
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static struct sysdev_class jive_pm_sysclass = {
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.name = "jive-pm",
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.suspend = jive_pm_suspend,
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.resume = jive_pm_resume,
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};
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static struct sys_device jive_pm_sysdev = {
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.cls = &jive_pm_sysclass,
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};
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static void __init jive_map_io(void)
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{
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s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc));
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s3c24xx_init_clocks(12000000);
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s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs));
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}
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static void __init jive_machine_init(void)
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{
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/* register system devices for managing low level suspend */
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sysdev_class_register(&jive_pm_sysclass);
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sysdev_register(&jive_pm_sysdev);
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s3c2410_pm_init();
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s3c_device_nand.dev.platform_data = &jive_nand_info;
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/* Turn off suspend on both USB ports, and switch the
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* selectable USB port to USB device mode. */
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s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
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S3C2410_MISCCR_USBSUSPND0 |
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S3C2410_MISCCR_USBSUSPND1, 0x0);
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s3c24xx_udc_set_platdata(&jive_udc_cfg);
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platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices));
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}
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MACHINE_START(JIVE, "JIVE")
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/* Maintainer: Ben Dooks <ben@fluff.org> */
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.phys_io = S3C2410_PA_UART,
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.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
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.boot_params = S3C2410_SDRAM_PA + 0x100,
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.init_irq = s3c24xx_init_irq,
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.map_io = jive_map_io,
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.init_machine = jive_machine_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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