/* linux/arch/arm/mach-s3c2410/mach-h1940.c
*
* Copyright (c) 2003-2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* http://www.handhelds.org/projects/h1940.html
*
* 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.
*
* Modifications:
* 16-May-2003 BJD Created initial version
* 16-Aug-2003 BJD Fixed header files and copyright, added URL
* 05-Sep-2003 BJD Moved to v2.6 kernel
* 06-Jan-2003 BJD Updates for <arch/map.h>
* 18-Jan-2003 BJD Added serial port configuration
* 17-Feb-2003 BJD Copied to mach-ipaq.c
* 21-Aug-2004 BJD Added struct s3c2410_board
* 04-Sep-2004 BJD Changed uart init, renamed ipaq_ -> h1940_
* 18-Oct-2004 BJD Updated new board structure name
* 04-Nov-2004 BJD Change for new serial clock
* 04-Jan-2005 BJD Updated uart init call
* 10-Jan-2005 BJD Removed include of s3c2410.h
* 14-Jan-2005 BJD Added clock init
* 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
* 20-Sep-2005 BJD Added static to non-exported items
* 26-Oct-2005 BJD Changed name of fb init call
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/hardware.h>
#include <asm/hardware/iomd.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/arch/regs-serial.h>
#include <asm/arch/regs-lcd.h>
#include <asm/arch/h1940-latch.h>
#include <asm/arch/fb.h>
#include <linux/serial_core.h>
#include "clock.h"
#include "devs.h"
#include "cpu.h"
static struct map_desc h1940_iodesc[] __initdata = {
[0] = {
.virtual = (unsigned long)H1940_LATCH,
.pfn = __phys_to_pfn(H1940_PA_LATCH),
.length = SZ_16K,
.type = MT_DEVICE
},
};
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = 0x3c5,
.ulcon = 0x03,
.ufcon = 0x51,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = 0x245,
.ulcon = 0x03,
.ufcon = 0x00,
},
/* IR port */
[2] = {
.hwport = 2,
.flags = 0,
.uart_flags = UPF_CONS_FLOW,
.ucon = 0x3c5,
.ulcon = 0x43,
.ufcon = 0x51,
}
};
/* Board control latch control */
static unsigned int latch_state = H1940_LATCH_DEFAULT;
void h1940_latch_control(unsigned int clear, unsigned int set)
{
unsigned long flags;
local_irq_save(flags);
latch_state &= ~clear;
latch_state |= set;
__raw_writel(latch_state, H1940_LATCH);
local_irq_restore(flags);
}
EXPORT_SYMBOL_GPL(h1940_latch_control);
/**
* Set lcd on or off
**/
static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
.fixed_syncs= 1,
.regs={
.lcdcon1= S3C2410_LCDCON1_TFT16BPP | \
S3C2410_LCDCON1_TFT | \
S3C2410_LCDCON1_CLKVAL(0x0C),
.lcdcon2= S3C2410_LCDCON2_VBPD(7) | \
S3C2410_LCDCON2_LINEVAL(319) | \
S3C2410_LCDCON2_VFPD(6) | \
S3C2410_LCDCON2_VSPW(0),
.lcdcon3= S3C2410_LCDCON3_HBPD(19) | \
S3C2410_LCDCON3_HOZVAL(239) | \
S3C2410_LCDCON3_HFPD(7),
.lcdcon4= S3C2410_LCDCON4_MVAL(0) | \
S3C2410_LCDCON4_HSPW(3),
.lcdcon5= S3C2410_LCDCON5_FRM565 | \
S3C2410_LCDCON5_INVVLINE | \
S3C2410_LCDCON5_HWSWP,
},
.lpcsel= 0x02,
.gpccon= 0xaa940659,
.gpccon_mask= 0xffffffff,
.gpcup= 0x0000ffff,
.gpcup_mask= 0xffffffff,
.gpdcon= 0xaa84aaa0,
.gpdcon_mask= 0xffffffff,
.gpdup= 0x0000faff,
.gpdup_mask= 0xffffffff,
.width= 240,
.height= 320,
.xres= {240,240,240},
.yres= {320,320,320},
.bpp= {16,16,16},
};
static struct platform_device *h1940_devices[] __initdata = {
&s3c_device_usb,
&s3c_device_lcd,
&s3c_device_wdt,
&s3c_device_i2c,
&s3c_device_iis,
};
static struct s3c24xx_board h1940_board __initdata = {
.devices = h1940_devices,
.devices_count = ARRAY_SIZE(h1940_devices)
};
static void __init h1940_map_io(void)
{
s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
s3c24xx_set_board(&h1940_board);
}
static void __init h1940_init_irq(void)
{
s3c24xx_init_irq();
}
static void __init h1940_init(void)
{
s3c24xx_fb_set_platdata(&h1940_lcdcfg);
}
MACHINE_START(H1940, "IPAQ-H1940")
/* Maintainer: Ben Dooks <ben@fluff.org> */
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.map_io = h1940_map_io,
.init_irq = h1940_init_irq,
.init_machine = h1940_init,
.timer = &s3c24xx_timer,
MACHINE_END
