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ARM: OMAP: Add core fsample support
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This patch adds core support for the TI F-Sample Board (OMAP 850).

Signed-off-by: Brian Swetland <swetland@google.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Brian Swetland authored and Tony Lindgren committed Jun 26, 2006
1 parent ffb7a80 commit 495f71d
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Showing 9 changed files with 403 additions and 8 deletions.
7 changes: 7 additions & 0 deletions arch/arm/mach-omap1/Kconfig
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Expand Up @@ -62,6 +62,13 @@ config MACH_OMAP_PERSEUS2
Support for TI OMAP 730 Perseus2 board. Say Y here if you have such
a board.

config MACH_OMAP_FSAMPLE
bool "TI F-Sample"
depends on ARCH_OMAP1 && ARCH_OMAP730
help
Support for TI OMAP 850 F-Sample board. Say Y here if you have such
a board.

config MACH_VOICEBLUE
bool "Voiceblue"
depends on ARCH_OMAP1 && ARCH_OMAP15XX
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1 change: 1 addition & 0 deletions arch/arm/mach-omap1/Makefile
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Expand Up @@ -17,6 +17,7 @@ obj-$(CONFIG_MACH_OMAP_H2) += board-h2.o
obj-$(CONFIG_MACH_OMAP_INNOVATOR) += board-innovator.o
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_PERSEUS2) += board-perseus2.o
obj-$(CONFIG_MACH_OMAP_FSAMPLE) += board-fsample.o
obj-$(CONFIG_MACH_OMAP_OSK) += board-osk.o
obj-$(CONFIG_MACH_OMAP_H3) += board-h3.o
obj-$(CONFIG_MACH_VOICEBLUE) += board-voiceblue.o
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319 changes: 319 additions & 0 deletions arch/arm/mach-omap1/board-fsample.c
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@@ -0,0 +1,319 @@
/*
* linux/arch/arm/mach-omap1/board-fsample.c
*
* Modified from board-perseus2.c
*
* Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
* Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
*
* 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/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/input.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>

#include <asm/arch/tc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/fpga.h>
#include <asm/arch/keypad.h>
#include <asm/arch/common.h>
#include <asm/arch/board.h>
#include <asm/arch/board-fsample.h>

static int fsample_keymap[] = {
KEY(0,0,KEY_UP),
KEY(0,1,KEY_RIGHT),
KEY(0,2,KEY_LEFT),
KEY(0,3,KEY_DOWN),
KEY(0,4,KEY_CENTER),
KEY(0,5,KEY_0_5),
KEY(1,0,KEY_SOFT2),
KEY(1,1,KEY_SEND),
KEY(1,2,KEY_END),
KEY(1,3,KEY_VOLUMEDOWN),
KEY(1,4,KEY_VOLUMEUP),
KEY(1,5,KEY_RECORD),
KEY(2,0,KEY_SOFT1),
KEY(2,1,KEY_3),
KEY(2,2,KEY_6),
KEY(2,3,KEY_9),
KEY(2,4,KEY_SHARP),
KEY(2,5,KEY_2_5),
KEY(3,0,KEY_BACK),
KEY(3,1,KEY_2),
KEY(3,2,KEY_5),
KEY(3,3,KEY_8),
KEY(3,4,KEY_0),
KEY(3,5,KEY_HEADSETHOOK),
KEY(4,0,KEY_HOME),
KEY(4,1,KEY_1),
KEY(4,2,KEY_4),
KEY(4,3,KEY_7),
KEY(4,4,KEY_STAR),
KEY(4,5,KEY_POWER),
0
};

static struct resource smc91x_resources[] = {
[0] = {
.start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
.end = H2P2_DBG_FPGA_ETHR_START + 0xf,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = INT_730_MPU_EXT_NIRQ,
.end = 0,
.flags = IORESOURCE_IRQ,
},
};

static struct mtd_partition nor_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
.name = "bootloader",
.offset = 0,
.size = SZ_128K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* bootloader params in the next sector */
{
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = 0,
},
/* kernel */
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
.mask_flags = 0
},
/* rest of flash is a file system */
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
},
};

static struct flash_platform_data nor_data = {
.map_name = "cfi_probe",
.width = 2,
.parts = nor_partitions,
.nr_parts = ARRAY_SIZE(nor_partitions),
};

static struct resource nor_resource = {
.start = OMAP_CS0_PHYS,
.end = OMAP_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};

static struct platform_device nor_device = {
.name = "omapflash",
.id = 0,
.dev = {
.platform_data = &nor_data,
},
.num_resources = 1,
.resource = &nor_resource,
};

static struct nand_platform_data nand_data = {
.options = NAND_SAMSUNG_LP_OPTIONS,
};

static struct resource nand_resource = {
.start = OMAP_CS3_PHYS,
.end = OMAP_CS3_PHYS + SZ_4K - 1,
.flags = IORESOURCE_MEM,
};

static struct platform_device nand_device = {
.name = "omapnand",
.id = 0,
.dev = {
.platform_data = &nand_data,
},
.num_resources = 1,
.resource = &nand_resource,
};

static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
};

static struct resource kp_resources[] = {
[0] = {
.start = INT_730_MPUIO_KEYPAD,
.end = INT_730_MPUIO_KEYPAD,
.flags = IORESOURCE_IRQ,
},
};

static struct omap_kp_platform_data kp_data = {
.rows = 8,
.cols = 8,
.keymap = fsample_keymap,
};

static struct platform_device kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &kp_data,
},
.num_resources = ARRAY_SIZE(kp_resources),
.resource = kp_resources,
};

static struct platform_device lcd_device = {
.name = "lcd_p2",
.id = -1,
};

static struct platform_device *devices[] __initdata = {
&nor_device,
&nand_device,
&smc91x_device,
&kp_device,
&lcd_device,
};

#define P2_NAND_RB_GPIO_PIN 62

static int nand_dev_ready(struct nand_platform_data *data)
{
return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
}

static struct omap_uart_config fsample_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1)),
};

static struct omap_lcd_config fsample_lcd_config __initdata = {
.ctrl_name = "internal",
};

static struct omap_board_config_kernel fsample_config[] = {
{ OMAP_TAG_UART, &fsample_uart_config },
{ OMAP_TAG_LCD, &fsample_lcd_config },
};

static void __init omap_fsample_init(void)
{
if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
nand_data.dev_ready = nand_dev_ready;

omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
omap_cfg_reg(M8_1610_FLASH_CS2B_WE);

platform_add_devices(devices, ARRAY_SIZE(devices));

omap_board_config = fsample_config;
omap_board_config_size = ARRAY_SIZE(fsample_config);
omap_serial_init();
}

static void __init fsample_init_smc91x(void)
{
fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
mdelay(50);
fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
H2P2_DBG_FPGA_LAN_RESET);
mdelay(50);
}

void omap_fsample_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap_gpio_init();
fsample_init_smc91x();
}

/* Only FPGA needs to be mapped here. All others are done with ioremap */
static struct map_desc omap_fsample_io_desc[] __initdata = {
{
.virtual = H2P2_DBG_FPGA_BASE,
.pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
.length = H2P2_DBG_FPGA_SIZE,
.type = MT_DEVICE
},
{
.virtual = FSAMPLE_CPLD_BASE,
.pfn = __phys_to_pfn(FSAMPLE_CPLD_START),
.length = FSAMPLE_CPLD_SIZE,
.type = MT_DEVICE
}
};

static void __init omap_fsample_map_io(void)
{
omap1_map_common_io();
iotable_init(omap_fsample_io_desc,
ARRAY_SIZE(omap_fsample_io_desc));

/* Early, board-dependent init */

/*
* Hold GSM Reset until needed
*/
omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);

/*
* UARTs -> done automagically by 8250 driver
*/

/*
* CSx timings, GPIO Mux ... setup
*/

/* Flash: CS0 timings setup */
omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);

/*
* Ethernet support through the debug board
* CS1 timings setup
*/
omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);

/*
* Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
* It is used as the Ethernet controller interrupt
*/
omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
}

MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
/* Maintainer: Brian Swetland <swetland@google.com> */
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,
.map_io = omap_fsample_map_io,
.init_irq = omap_fsample_init_irq,
.init_machine = omap_fsample_init,
.timer = &omap_timer,
MACHINE_END
18 changes: 14 additions & 4 deletions arch/arm/mach-omap1/clock.c
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
//kernel/linux-omap-fsample/arch/arm/mach-omap1/clock.c#2 - edit change 3808 (text)
/*
* linux/arch/arm/mach-omap1/clock.c
*
Expand All @@ -20,6 +21,7 @@

#include <asm/io.h>

#include <asm/arch/cpu.h>
#include <asm/arch/usb.h>
#include <asm/arch/clock.h>
#include <asm/arch/sram.h>
Expand Down Expand Up @@ -270,8 +272,12 @@ static int omap1_select_table_rate(struct clk * clk, unsigned long rate)
/*
* In most cases we should not need to reprogram DPLL.
* Reprogramming the DPLL is tricky, it must be done from SRAM.
* (on 730, bit 13 must always be 1)
*/
omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val);
if (cpu_is_omap730())
omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val | 0x2000);
else
omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val);

ck_dpll1.rate = ptr->pll_rate;
propagate_rate(&ck_dpll1);
Expand Down Expand Up @@ -748,7 +754,7 @@ int __init omap1_clk_init(void)
printk(KERN_ERR "System frequencies not set. Check your config.\n");
/* Guess sane values (60MHz) */
omap_writew(0x2290, DPLL_CTL);
omap_writew(0x1005, ARM_CKCTL);
omap_writew(cpu_is_omap730() ? 0x3005 : 0x1005, ARM_CKCTL);
ck_dpll1.rate = 60000000;
propagate_rate(&ck_dpll1);
}
Expand All @@ -761,13 +767,17 @@ int __init omap1_clk_init(void)
ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10,
arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10);

#ifdef CONFIG_MACH_OMAP_PERSEUS2
#if defined(CONFIG_MACH_OMAP_PERSEUS2) || defined(CONFIG_MACH_OMAP_FSAMPLE)
/* Select slicer output as OMAP input clock */
omap_writew(omap_readw(OMAP730_PCC_UPLD_CTRL) & ~0x1, OMAP730_PCC_UPLD_CTRL);
#endif

/* Turn off DSP and ARM_TIMXO. Make sure ARM_INTHCK is not divided */
omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL);
/* (on 730, bit 13 must not be cleared) */
if (cpu_is_omap730())
omap_writew(omap_readw(ARM_CKCTL) & 0x2fff, ARM_CKCTL);
else
omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL);

/* Put DSP/MPUI into reset until needed */
omap_writew(0, ARM_RSTCT1);
Expand Down
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