mirror of https://gitee.com/openkylin/linux.git
ARM: OMAP3: Add minimal Beagle board support
Add minimal Beagle board support. Based on earlier patches by Syed Mohammed Khasim with some fixes from linux-omap tree. Signed-off-by: Syed Mohammed Khasim <khasim@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Syed Mohammed, Khasim
Tony Lindgren
parent
cc26b3b01b
commit
2885f00049
|
|
@ -44,3 +44,7 @@ config MACH_OMAP_2430SDP
|
|||
bool "OMAP 2430 SDP board"
|
||||
depends on ARCH_OMAP2 && ARCH_OMAP24XX
|
||||
|
||||
config MACH_OMAP3_BEAGLE
|
||||
bool "OMAP3 BEAGLE board"
|
||||
depends on ARCH_OMAP3 && ARCH_OMAP34XX
|
||||
|
||||
|
|
|
|||
|
|
@ -29,4 +29,5 @@ obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
|
|||
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
|
||||
obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o
|
||||
obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
|
||||
obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,244 @@
|
|||
/*
|
||||
* linux/arch/arm/mach-omap2/board-omap3beagle.c
|
||||
*
|
||||
* Copyright (C) 2008 Texas Instruments
|
||||
*
|
||||
* Modified from mach-omap2/board-3430sdp.c
|
||||
*
|
||||
* Initial code: Syed Mohammed Khasim
|
||||
*
|
||||
* 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/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/leds.h>
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/gpio_keys.h>
|
||||
|
||||
#include <linux/mtd/mtd.h>
|
||||
#include <linux/mtd/partitions.h>
|
||||
#include <linux/mtd/nand.h>
|
||||
|
||||
#include <mach/hardware.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/map.h>
|
||||
#include <asm/mach/flash.h>
|
||||
|
||||
#include <mach/board.h>
|
||||
#include <mach/common.h>
|
||||
#include <mach/gpmc.h>
|
||||
#include <mach/nand.h>
|
||||
|
||||
|
||||
#define GPMC_CS0_BASE 0x60
|
||||
#define GPMC_CS_SIZE 0x30
|
||||
|
||||
#define NAND_BLOCK_SIZE SZ_128K
|
||||
|
||||
static struct mtd_partition omap3beagle_nand_partitions[] = {
|
||||
/* All the partition sizes are listed in terms of NAND block size */
|
||||
{
|
||||
.name = "X-Loader",
|
||||
.offset = 0,
|
||||
.size = 4 * NAND_BLOCK_SIZE,
|
||||
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
||||
},
|
||||
{
|
||||
.name = "U-Boot",
|
||||
.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
|
||||
.size = 15 * NAND_BLOCK_SIZE,
|
||||
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
||||
},
|
||||
{
|
||||
.name = "U-Boot Env",
|
||||
.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
|
||||
.size = 1 * NAND_BLOCK_SIZE,
|
||||
},
|
||||
{
|
||||
.name = "Kernel",
|
||||
.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
|
||||
.size = 32 * NAND_BLOCK_SIZE,
|
||||
},
|
||||
{
|
||||
.name = "File System",
|
||||
.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
|
||||
.size = MTDPART_SIZ_FULL,
|
||||
},
|
||||
};
|
||||
|
||||
static struct omap_nand_platform_data omap3beagle_nand_data = {
|
||||
.options = NAND_BUSWIDTH_16,
|
||||
.parts = omap3beagle_nand_partitions,
|
||||
.nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
|
||||
.dma_channel = -1, /* disable DMA in OMAP NAND driver */
|
||||
.nand_setup = NULL,
|
||||
.dev_ready = NULL,
|
||||
};
|
||||
|
||||
static struct resource omap3beagle_nand_resource = {
|
||||
.flags = IORESOURCE_MEM,
|
||||
};
|
||||
|
||||
static struct platform_device omap3beagle_nand_device = {
|
||||
.name = "omap2-nand",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &omap3beagle_nand_data,
|
||||
},
|
||||
.num_resources = 1,
|
||||
.resource = &omap3beagle_nand_resource,
|
||||
};
|
||||
|
||||
static struct omap_uart_config omap3_beagle_uart_config __initdata = {
|
||||
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
|
||||
};
|
||||
|
||||
static void __init omap3_beagle_init_irq(void)
|
||||
{
|
||||
omap2_init_common_hw();
|
||||
omap_init_irq();
|
||||
omap_gpio_init();
|
||||
}
|
||||
|
||||
static struct platform_device omap3_beagle_lcd_device = {
|
||||
.name = "omap3beagle_lcd",
|
||||
.id = -1,
|
||||
};
|
||||
|
||||
static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
|
||||
.ctrl_name = "internal",
|
||||
};
|
||||
|
||||
static struct gpio_led gpio_leds[] = {
|
||||
{
|
||||
.name = "beagleboard::usr0",
|
||||
.default_trigger = "heartbeat",
|
||||
.gpio = 150,
|
||||
},
|
||||
{
|
||||
.name = "beagleboard::usr1",
|
||||
.default_trigger = "mmc0",
|
||||
.gpio = 149,
|
||||
},
|
||||
};
|
||||
|
||||
static struct gpio_led_platform_data gpio_led_info = {
|
||||
.leds = gpio_leds,
|
||||
.num_leds = ARRAY_SIZE(gpio_leds),
|
||||
};
|
||||
|
||||
static struct platform_device leds_gpio = {
|
||||
.name = "leds-gpio",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &gpio_led_info,
|
||||
},
|
||||
};
|
||||
|
||||
static struct gpio_keys_button gpio_buttons[] = {
|
||||
{
|
||||
.code = BTN_EXTRA,
|
||||
.gpio = 7,
|
||||
.desc = "user",
|
||||
.wakeup = 1,
|
||||
},
|
||||
};
|
||||
|
||||
static struct gpio_keys_platform_data gpio_key_info = {
|
||||
.buttons = gpio_buttons,
|
||||
.nbuttons = ARRAY_SIZE(gpio_buttons),
|
||||
};
|
||||
|
||||
static struct platform_device keys_gpio = {
|
||||
.name = "gpio-keys",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &gpio_key_info,
|
||||
},
|
||||
};
|
||||
|
||||
static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
|
||||
{ OMAP_TAG_UART, &omap3_beagle_uart_config },
|
||||
{ OMAP_TAG_LCD, &omap3_beagle_lcd_config },
|
||||
};
|
||||
|
||||
static struct platform_device *omap3_beagle_devices[] __initdata = {
|
||||
&omap3_beagle_lcd_device,
|
||||
&leds_gpio,
|
||||
&keys_gpio,
|
||||
};
|
||||
|
||||
static void __init omap3beagle_flash_init(void)
|
||||
{
|
||||
u8 cs = 0;
|
||||
u8 nandcs = GPMC_CS_NUM + 1;
|
||||
|
||||
u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
|
||||
|
||||
/* find out the chip-select on which NAND exists */
|
||||
while (cs < GPMC_CS_NUM) {
|
||||
u32 ret = 0;
|
||||
ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
|
||||
|
||||
if ((ret & 0xC00) == 0x800) {
|
||||
printk(KERN_INFO "Found NAND on CS%d\n", cs);
|
||||
if (nandcs > GPMC_CS_NUM)
|
||||
nandcs = cs;
|
||||
}
|
||||
cs++;
|
||||
}
|
||||
|
||||
if (nandcs > GPMC_CS_NUM) {
|
||||
printk(KERN_INFO "NAND: Unable to find configuration "
|
||||
"in GPMC\n ");
|
||||
return;
|
||||
}
|
||||
|
||||
if (nandcs < GPMC_CS_NUM) {
|
||||
omap3beagle_nand_data.cs = nandcs;
|
||||
omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
|
||||
(gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
|
||||
omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
|
||||
|
||||
printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
|
||||
if (platform_device_register(&omap3beagle_nand_device) < 0)
|
||||
printk(KERN_ERR "Unable to register NAND device\n");
|
||||
}
|
||||
}
|
||||
|
||||
static void __init omap3_beagle_init(void)
|
||||
{
|
||||
platform_add_devices(omap3_beagle_devices,
|
||||
ARRAY_SIZE(omap3_beagle_devices));
|
||||
omap_board_config = omap3_beagle_config;
|
||||
omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
|
||||
omap_serial_init();
|
||||
omap3beagle_flash_init();
|
||||
}
|
||||
|
||||
static void __init omap3_beagle_map_io(void)
|
||||
{
|
||||
omap2_set_globals_343x();
|
||||
omap2_map_common_io();
|
||||
}
|
||||
|
||||
MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
|
||||
/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
|
||||
.phys_io = 0x48000000,
|
||||
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
|
||||
.boot_params = 0x80000100,
|
||||
.map_io = omap3_beagle_map_io,
|
||||
.init_irq = omap3_beagle_init_irq,
|
||||
.init_machine = omap3_beagle_init,
|
||||
.timer = &omap_timer,
|
||||
MACHINE_END
|
||||
|
|
@ -428,7 +428,7 @@ config CPU_32v6K
|
|||
# ARMv7
|
||||
config CPU_V7
|
||||
bool "Support ARM V7 processor"
|
||||
depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB
|
||||
depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP3
|
||||
select CPU_32v6K
|
||||
select CPU_32v7
|
||||
select CPU_ABRT_EV7
|
||||
|
|
|
|||
|
|
@ -0,0 +1,33 @@
|
|||
/*
|
||||
* arch/arm/plat-omap/include/mach/board-omap3beagle.h
|
||||
*
|
||||
* Hardware definitions for TI OMAP3 BEAGLE.
|
||||
*
|
||||
* Initial creation by Syed Mohammed Khasim <khasim@ti.com>
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
||||
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_OMAP3_BEAGLE_H
|
||||
#define __ASM_ARCH_OMAP3_BEAGLE_H
|
||||
|
||||
#endif /* __ASM_ARCH_OMAP3_BEAGLE_H */
|
||||
|
||||
|
|
@ -322,6 +322,10 @@
|
|||
#include "board-2430sdp.h"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_MACH_OMAP3_BEAGLE
|
||||
#include "board-omap3beagle.h"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_MACH_OMAP_APOLLON
|
||||
#include "board-apollon.h"
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue