icnova_base.c

/*

 * init code specific for ICNova Base

 *

 * Copyright (C) 2005-2006 Atmel Corporation

 *

 * 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/bootmem.h>

#include <linux/linkage.h>

#include <linux/clk.h>

#include <linux/etherdevice.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/string.h>

#include <linux/types.h>

#include <linux/spi/spi.h>

#include <asm/io.h>

#include <asm/setup.h>

#include <asm/arch/at32ap700x.h>

#include <asm/arch/board.h>

#include <asm/arch/init.h>

#include <asm/arch/portmux.h>

#include "icnova.h"

#include "led.h"

#include "btn.h"

#include "mac.h"

#include "pwm.h"

#include <linux/fb.h>

#include <video/atmel_lcdc.h>

#undef ICNOVA_USB_CP2102

static struct i2c_board_info grasshopper_i2c[] = {

};

static struct fb_videomode grasshopper_tft_modes[] = { 

  { 

           .name          = "TX09D70 @ 60",   // name of mode

    .refresh  = 60,       // refresh rate 

    .xres    = 480,      // horizontal resolution 

    .yres    = 272,       // vertical resolution 

    .pixclock  = KHZ2PICOS(9000),   // pixel clock in kHz 

    .left_margin  = 2,      // h. front porch 

    .right_margin  = 2,       // h. back porch 

    .upper_margin  = 12,      // v. front porch 

    .lower_margin  = 2,       // v. back porch 

    .hsync_len  = 41,      // hsync length  

    .vsync_len  = 10,       // vsync lengt 

    /* .sync    = , //FB_SYNC_HOR_LOW_ACT | FB_SYNC_VERT_LOW_ACT,

        // Active high hsync impulse , active high vsync impulse */  

    .vmode    = FB_VMODE_NONINTERLACED, 

        // always send a full frame to the display 

  }, 

}; 

static struct fb_monspecs __initdata grasshopper_default_monspecs = { 

        .manufacturer           = "ATM",     // ATM = Atmel 

        .monitor                = "GENERIC",      // Generic type 

        .modedb                 = grasshopper_tft_modes, 

        .modedb_len             = ARRAY_SIZE(grasshopper_tft_modes), 

        .hfmin                  = 14820,     // doesn't affect the lcdc! 

        .hfmax                  = 32000,     // doesn't affect the lcdc! 

        .vfmin                  = 30,       // doesn't affect the lcdc! 

        .vfmax                  = 200,       // doesn't affect the lcdc! 

        .dclkmax                = 30000000,     // doesn't affect the lcdc! 

}; 

 struct atmel_lcdfb_info __initdata grasshopper_lcdc_data = { 

        .default_bpp            = 24,       // Color depth

        .default_dmacon    = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,

  .default_lcdcon2  = (ATMEL_LCDC_DISTYPE_TFT

           | ATMEL_LCDC_SCANMOD_SINGLE

           | ATMEL_LCDC_INVLINE_INVERTED

           | ATMEL_LCDC_INVFRAME_INVERTED

           | ATMEL_LCDC_INVCLK_NORMAL

           | ATMEL_LCDC_PIXELSIZE_24

           | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE

           | ATMEL_LCDC_MEMOR_BIG),

/*

  .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, 

        .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT

                 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE 

                                   | ATMEL_LCDC_MEMOR_BIG),

*/ 

        .default_monspecs       = &grasshopper_default_monspecs, 

        .guard_time             = 2, 

};

void __init setup_board(void)

{

  at32_map_usart(0, 0);  // USART 0: /dev/ttyS0, IF-to-USB-UART_Bridge

#ifdef ICNOVA_USB_CP2102

  at32_map_usart(1, 1);  // USART 1: /dev/ttyS0, CP2102

#endif

  at32_setup_serial_console(0);

}

static int __init icnova_init(void)

{

  icnova_reserve_pins();

  at32_add_system_devices();

  at32_add_device_usart(0);

#ifdef ICNOVA_USB_CP2102

  at32_add_device_usart(1);

#endif

  at32_add_device_pwm((1<<2));

  icnova_setup_pwm(2,25000000); // 25MHz

  icnova_setup_leds();

  icnova_setup_buttons();

  set_hw_addr(at32_add_device_eth(0, &eth_data[0]));

  at32_add_device_twi(0,grasshopper_i2c,ARRAY_SIZE(grasshopper_i2c));

  at32_add_device_usba(0, NULL);

  at32_add_device_lcdc(0, &grasshopper_lcdc_data, fbmem_start, fbmem_size);

  return 0;

}

postcore_initcall(icnova_init);