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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
commit5c105d9f3fd086aff195d3849dcf847d6b0bd927 (patch)
tree1229a11f725bfa58aa7c57a76898553bb5f6654a /package/uboot-xburst/files/board/nanonote/nanonote.c
downloadopenwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.tar.gz
openwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.zip
branch Attitude Adjustment
git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/uboot-xburst/files/board/nanonote/nanonote.c')
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1 files changed, 123 insertions, 0 deletions
diff --git a/package/uboot-xburst/files/board/nanonote/nanonote.c b/package/uboot-xburst/files/board/nanonote/nanonote.c
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+++ b/package/uboot-xburst/files/board/nanonote/nanonote.c
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+/*
+ * Authors: Xiangfu Liu <xiangfu.z@gmail.com>
+ *
+ * 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
+ * 3 of the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/mipsregs.h>
+#include <asm/jz4740.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void gpio_init(void)
+{
+ /*
+ * Initialize NAND Flash Pins
+ */
+ __gpio_as_nand();
+
+ /*
+ * Initialize SDRAM pins
+ */
+ __gpio_as_sdram_32bit();
+
+ /*
+ * Initialize LCD pins
+ */
+ __gpio_as_lcd_8bit();
+
+ /*
+ * Initialize MSC pins
+ */
+ __gpio_as_msc();
+
+ /*
+ * Initialize Other pins
+ */
+ unsigned int i;
+ for (i = 0; i < 7; i++){
+ __gpio_as_input(GPIO_KEYIN_BASE + i);
+ __gpio_enable_pull(GPIO_KEYIN_BASE + i);
+ }
+
+ for (i = 0; i < 8; i++) {
+ __gpio_as_output(GPIO_KEYOUT_BASE + i);
+ __gpio_clear_pin(GPIO_KEYOUT_BASE + i);
+ }
+
+ /*
+ * Initialize UART0 pins, in Ben NanoNote uart0 and keyin8 use the
+ * same gpio, init the gpio as uart0 cause a keyboard bug. so for
+ * end user we disable the uart0
+ */
+ if (__gpio_get_pin(GPIO_KEYIN_BASE + 2) == 0){
+ /* if pressed [S] */
+ printf("[S] pressed, enable UART0\n");
+ gd->boot_option = 5;
+ __gpio_as_uart0();
+ } else {
+ printf("[S] not pressed, disable UART0\n");
+ __gpio_as_input(GPIO_KEYIN_8);
+ __gpio_enable_pull(GPIO_KEYIN_8);
+ }
+
+ __gpio_as_output(GPIO_AUDIO_POP);
+ __gpio_set_pin(GPIO_AUDIO_POP);
+
+ __gpio_as_output(GPIO_LCD_CS);
+ __gpio_clear_pin(GPIO_LCD_CS);
+
+ __gpio_as_output(GPIO_AMP_EN);
+ __gpio_clear_pin(GPIO_AMP_EN);
+
+ __gpio_as_output(GPIO_SDPW_EN);
+ __gpio_disable_pull(GPIO_SDPW_EN);
+ __gpio_clear_pin(GPIO_SDPW_EN);
+
+ __gpio_as_input(GPIO_SD_DETECT);
+ __gpio_disable_pull(GPIO_SD_DETECT);
+
+ __gpio_as_input(GPIO_USB_DETECT);
+ __gpio_enable_pull(GPIO_USB_DETECT);
+
+ if (__gpio_get_pin(GPIO_KEYIN_BASE + 3) == 0) {
+ printf("[M] pressed, boot from sd card\n");
+ gd->boot_option = 1;
+ }
+}
+
+static void cpm_init(void)
+{
+ __cpm_stop_ipu();
+ __cpm_stop_cim();
+ __cpm_stop_i2c();
+ __cpm_stop_ssi();
+ __cpm_stop_uart1();
+ __cpm_stop_sadc();
+ __cpm_stop_uhc();
+ __cpm_stop_udc();
+ __cpm_stop_aic1();
+/* __cpm_stop_aic2();*/
+}
+
+void board_early_init(void)
+{
+ gpio_init();
+ cpm_init();
+}
+
+/* U-Boot common routines */
+
+int checkboard (void)
+{
+
+ printf("Board: Qi LB60 (Ingenic XBurst Jz4740 SoC, Speed %d MHz)\n",
+ gd->cpu_clk/1000000);
+
+ return 0; /* success */
+}