diff options
Diffstat (limited to 'src/target/firmware/board/compal_e88/init.c')
-rw-r--r-- | src/target/firmware/board/compal_e88/init.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/target/firmware/board/compal_e88/init.c b/src/target/firmware/board/compal_e88/init.c new file mode 100644 index 00000000..f51f3e8d --- /dev/null +++ b/src/target/firmware/board/compal_e88/init.c @@ -0,0 +1,126 @@ +/* Initialization for the Compal E88 (Motorola C115...C123) */ + +/* (C) 2010 by Harald Welte <laforge@gnumonks.org> + * + * 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 <memory.h> +#include <board.h> +#include <keypad.h> +#include <console.h> +#include <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 <comm/sercomm.h> + +#include <abb/twl3025.h> +#include <rf/trf6151.h> +#include <display/st7558.h> + +#define ARMIO_LATCH_OUT 0xfffe4802 +#define ARMIO_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 |= 0x1080; /* 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(ARMIO_CNTL_REG); + reg &= ~(1 << 3); + writew(reg, ARMIO_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) +{ + /* FIXME: this needs to go to board_e99/init.c once we have it */ + wdog_enable(0); + + static cfi_flash_t flash; + // XXX: move after mapping initialization and use final address + flash_init(&flash, 0x00000000); + + 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); + + board_io_init(); + + /* Enable bootrom mapping to route exception vectors to RAM */ + calypso_bootrom(1); + calypso_exceptions_install(); + + irq_init(); + + /* initialize MODEM UART to be used for sercomm*/ + uart_init(SERCOMM_UART_NR); + 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); + uart_baudrate(CONS_UART_NR, UART_115200); + + hwtimer_init(); + + dma_init(); + rtc_init(); + + /* Initialize LCD driver (uses I2C) */ + st7558_init(); + + keypad_init(); + + /* Initialize ABB driver (uses SPI) */ + twl3025_init(); +} |