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/* Initialization for the Pirelli DP-L10 */
/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
* (C) 2011 by Steve Markgraf <steve@steve-m.de>
*
* All Rights Reserved
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <stdint.h>
#include <stdio.h>
#include <debug.h>
#include <ctors.h>
#include <memory.h>
#include <board.h>
#include <keypad.h>
#include <console.h>
#include <flash/cfi_flash.h>
#include <calypso/irq.h>
#include <calypso/clock.h>
#include <calypso/dma.h>
#include <calypso/rtc.h>
#include <calypso/timer.h>
#include <calypso/uart.h>
#include <calypso/backlight.h>
#include <comm/sercomm.h>
#include <comm/timer.h>
#include <abb/twl3025.h>
#include <rf/trf6151.h>
#include <display.h>
#define ARMIO_LATCH_OUT 0xfffe4802
#define ASIC_CONF_REG 0xfffef008
static void board_io_init(void)
{
uint16_t reg;
reg = readw(ASIC_CONF_REG);
/* Set function pins to I2C Mode */
reg |= ((1 << 12) | (1 << 7)); /* SCL / SDA */
/* TWL3025: Set SPI+RIF RX clock to rising edge */
reg |= (1 << 13) | (1 << 14);
writew(reg, ASIC_CONF_REG);
}
void board_init(void)
{
/* Configure the memory interface */
calypso_mem_cfg(CALYPSO_nCS0, 3, CALYPSO_MEM_16bit, 1);
calypso_mem_cfg(CALYPSO_nCS1, 3, CALYPSO_MEM_16bit, 1);
calypso_mem_cfg(CALYPSO_nCS2, 5, CALYPSO_MEM_16bit, 1);
calypso_mem_cfg(CALYPSO_nCS3, 5, CALYPSO_MEM_16bit, 1);
calypso_mem_cfg(CALYPSO_CS4, 0, CALYPSO_MEM_8bit, 1);
calypso_mem_cfg(CALYPSO_nCS6, 0, CALYPSO_MEM_32bit, 1);
calypso_mem_cfg(CALYPSO_nCS7, 0, CALYPSO_MEM_32bit, 0);
/* Set VTCXO_DIV2 = 1, configure PLL for 104 MHz and give ARM half of that */
calypso_clock_set(2, CALYPSO_PLL13_104_MHZ, ARM_MCLK_DIV_2);
/* Configure the RHEA bridge with some sane default values */
calypso_rhea_cfg(0, 0, 0xff, 0, 1, 0, 0);
/* Initialize board-specific GPIO */
board_io_init();
/* Enable bootrom mapping to route exception vectors to RAM */
calypso_bootrom(1);
calypso_exceptions_install();
/* Initialize interrupt controller */
irq_init();
/* initialize MODEM UART to be used for sercomm*/
uart_init(SERCOMM_UART_NR, 1);
uart_baudrate(SERCOMM_UART_NR, UART_115200);
/* Initialize IRDA UART to be used for old-school console code.
* note: IRDA uart only accessible on C115 and C117 PCB */
uart_init(CONS_UART_NR, 1);
uart_baudrate(CONS_UART_NR, UART_115200);
/* Initialize hardware timers */
hwtimer_init();
/* Initialize DMA controller */
dma_init();
/* Initialize real time clock */
rtc_init();
/* Initialize system timers (uses hwtimer 2) */
timer_init();
/* Initialize LCD driver (uses I2C) and backlight */
display = &st7558_display;
display_init();
bl_mode_pwl(1);
bl_level(0);
/* Initialize keypad driver */
keypad_init(1);
/* Initialize ABB driver (uses SPI) */
twl3025_init();
/* enable LEDB driver of Iota for keypad backlight */
twl3025_reg_write(AUXLED, 0x02);
}
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