From 9fcc469afa01fc9ea42e4cbb96c5b195c5bcd371 Mon Sep 17 00:00:00 2001 From: Tom Date: Wed, 11 Jan 2012 17:00:30 +0100 Subject: all reupped --- Src/osmolib/src/target/firmware/board/gta0x/init.c | 136 +++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 Src/osmolib/src/target/firmware/board/gta0x/init.c (limited to 'Src/osmolib/src/target/firmware/board/gta0x/init.c') diff --git a/Src/osmolib/src/target/firmware/board/gta0x/init.c b/Src/osmolib/src/target/firmware/board/gta0x/init.c new file mode 100644 index 0000000..4f256ea --- /dev/null +++ b/Src/osmolib/src/target/firmware/board/gta0x/init.c @@ -0,0 +1,136 @@ +/* Initialization for the Openmoko Freerunner modem */ + +/* (C) 2010 by Harald Welte + * + * 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 +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include + +#define ARMIO_LATCH_OUT 0xfffe4802 +#define IO_CNTL_REG 0xfffe4804 +#define ASIC_CONF_REG 0xfffef008 + +static void board_io_init(void) +{ + uint16_t reg; + + reg = readw(ASIC_CONF_REG); + /* LCD Set I/O(3) / SA0 to I/O(3) mode */ + reg &= ~(1 << 10); + /* 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); + + /* LCD Set I/O(3) to output mode */ + reg = readw(IO_CNTL_REG); + reg &= ~(1 << 3); + writew(reg, IO_CNTL_REG); + + /* LCD Set I/O(3) output low */ + reg = readw(ARMIO_LATCH_OUT); + reg &= ~(1 << 3); + writew(reg, ARMIO_LATCH_OUT); +} + +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(50); + + /* Initialize keypad driver */ + keypad_init(1); + + /* Initialize ABB driver (uses SPI) */ + twl3025_init(); +} -- cgit v1.2.3-55-g7522