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authorSteve Markgraf <steve@steve-m.de>2011-01-18 16:51:41 +0100
committerSteve Markgraf <steve@steve-m.de>2011-01-24 16:54:33 +0100
commit8f618a5c49f55e2e0359183e3a5c9db9a7b3eb58 (patch)
tree04c0d46c0c6336109bfd5be9c00d257b255cde6b /src/target/firmware/board/compal_e86/init.c
parent0b4155ca19354921404d8cc3500d472a459606b8 (diff)
fw/makefile: enable generation of Compal E86 images (Motorola C139/C140)
This target now has its own init.c which correctly initializes the display and the keypad backlight Signed-off-by: Steve Markgraf <steve@steve-m.de>
Diffstat (limited to 'src/target/firmware/board/compal_e86/init.c')
-rw-r--r--src/target/firmware/board/compal_e86/init.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/src/target/firmware/board/compal_e86/init.c b/src/target/firmware/board/compal_e86/init.c
new file mode 100644
index 00000000..92f0e3ba
--- /dev/null
+++ b/src/target/firmware/board/compal_e86/init.c
@@ -0,0 +1,143 @@
+/* Initialization for the Compal E86 (Motorola C139/C140) */
+
+/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2010 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 <abb/twl3025.h>
+#include <rf/trf6151.h>
+#include <display.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 << 12) | (1 << 10) | (1 << 7) | (1 << 1)) ;
+ /* don't set function pins to I2C Mode, C155 uses UWire */
+ /* 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 and enable C140 backlight (IO1) */
+ /* FIXME: Put the display backlight control to backlight.c */
+ reg = readw(ARMIO_CNTL_REG);
+ reg &= ~( (1 << 3) | (1 << 1));
+ writew(reg, ARMIO_CNTL_REG);
+
+ /* LCD Set I/O(3) output low */
+ reg = readw(ARMIO_LATCH_OUT);
+ reg &= ~(1 << 3);
+ reg |= (1 << 1);
+ writew(reg, ARMIO_LATCH_OUT);
+}
+
+void board_init(void)
+{
+ /* Disable watchdog (compal loader leaves it enabled) */
+ wdog_enable(0);
+
+ /* Configure 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 UWire) */
+ display = &td014_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);
+}