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Onda VX747: don't fully init the LCD when not doing an USB_BOOT compile (fixes flashes when booting up)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22051 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-07-26 13:27:12 +00:00
parent 9e9fb929b4
commit 4ce26ff328
2 changed files with 19 additions and 12 deletions
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2
bootloader/ondavx747.c
View file

@ -22,7 +22,6 @@
#include "config.h"
#include "jz4740.h"
#include "backlight.h"
#include "backlight-target.h"
#include "font.h"
#include "lcd.h"
#include "usb.h"
@ -192,7 +191,6 @@ int main(void)
{
printf("Starting Rockbox...");
adc_close(); /* Disable SADC */
_backlight_off(); /* Force backlight off to prevent LCD 'flicker' */
disable_interrupt();
kernel_entry = (void*) CONFIG_SDRAM_START;

29
firmware/target/mips/ingenic_jz47xx/onda_vx747/lcd-onda_vx747.c
View file

@ -36,23 +36,24 @@ do { \
REG_GPIO_PXPES(2) = 0x001cffff; \
} while (0)
#define SLEEP(x) { register int __i; for(__i=0; __i<x; __i++) asm volatile("nop\n nop\n"); }
#define DELAY SLEEP(700000);
#ifdef USB_BOOT
static void _display_pin_init(void)
{
my__gpio_as_lcd_16bit();
__gpio_as_output(PIN_CS_N);
__gpio_as_output(PIN_RESET_N);
__gpio_clear_pin(PIN_CS_N);
__gpio_set_pin(PIN_RESET_N);
DELAY;
DELAY;
__gpio_clear_pin(PIN_RESET_N);
DELAY;
__gpio_set_pin(PIN_RESET_N);
DELAY;
}
#endif
#define WAIT_ON_SLCD while(REG_SLCD_STATE & SLCD_STATE_BUSY);
#define SLCD_SET_DATA(x) WAIT_ON_SLCD; REG_SLCD_DATA = (x) | SLCD_DATA_RS_DATA;
@ -60,23 +61,28 @@ static void _display_pin_init(void)
#define SLCD_SEND_COMMAND(cmd,val) SLCD_SET_COMMAND(cmd); SLCD_SET_DATA(val);
static void _display_init(void)
{
#ifdef USB_BOOT
SLCD_SEND_COMMAND(REG_SOFT_RESET, SOFT_RESET(1));
SLEEP(700000);
SLCD_SEND_COMMAND(REG_SOFT_RESET, SOFT_RESET(0));
SLEEP(700000);
SLCD_SEND_COMMAND(REG_ENDIAN_CTRL, 0);
SLCD_SEND_COMMAND(REG_DRIVER_OUTPUT, 0x100);
SLCD_SEND_COMMAND(REG_LCD_DR_WAVE_CTRL, 0x100);
#endif
#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
SLCD_SEND_COMMAND(REG_ENTRY_MODE, (ENTRY_MODE_BGR | ENTRY_MODE_VID | ENTRY_MODE_HID));
#else
SLCD_SEND_COMMAND(REG_ENTRY_MODE, (ENTRY_MODE_BGR | ENTRY_MODE_VID | ENTRY_MODE_AM));
#endif
#ifdef USB_BOOT
SLCD_SEND_COMMAND(REG_DISP_CTRL2, 0x503);
SLCD_SEND_COMMAND(REG_DISP_CTRL3, 1);
SLCD_SEND_COMMAND(REG_LPCTRL, 0x10);
SLCD_SEND_COMMAND(REG_EXT_DISP_CTRL1, 0);
SLCD_SEND_COMMAND(REG_EXT_DISP_CTRL1, EXT_DISP_CTRL1_RIM(1)); /* 16-bit RGB interface */
SLCD_SEND_COMMAND(REG_EXT_DISP_CTRL2, 0);
SLCD_SEND_COMMAND(REG_DISP_CTRL1, DISP_CTRL1_D(1));
SLCD_SEND_COMMAND(REG_PAN_INTF_CTRL1, 0x12);
@ -127,7 +133,7 @@ static void _display_init(void)
SLCD_SEND_COMMAND(0x7f4, 0x22);
SLCD_SEND_COMMAND(0x7f5, 1);
SLCD_SEND_COMMAND(0x7f0, 0);
/* LCD ON */
SLCD_SEND_COMMAND(REG_DISP_CTRL1, (DISP_CTRL1_BASEE | DISP_CTRL1_VON |
DISP_CTRL1_GON | DISP_CTRL1_DTE | DISP_CTRL1_D(3)));
@ -138,6 +144,7 @@ static void _display_init(void)
SLCD_SEND_COMMAND(REG_DISP_CTRL1, (DISP_CTRL1_BASEE | DISP_CTRL1_VON |
DISP_CTRL1_GON | DISP_CTRL1_DTE | DISP_CTRL1_D(3)));
SLEEP(3500000);
#endif /* USB_BOOT */
}
static void _display_on(void)
@ -168,7 +175,7 @@ static void _set_lcd_bus(void)
{
REG_LCD_CFG &= ~LCD_CFG_LCDPIN_MASK;
REG_LCD_CFG |= LCD_CFG_LCDPIN_SLCD;
REG_SLCD_CFG = (SLCD_CFG_BURST_8_WORD | SLCD_CFG_DWIDTH_16 | SLCD_CFG_CWIDTH_16BIT |
SLCD_CFG_CS_ACTIVE_LOW | SLCD_CFG_RS_CMD_LOW | SLCD_CFG_CLK_ACTIVE_FALLING |
SLCD_CFG_TYPE_PARALLEL);
@ -177,20 +184,22 @@ static void _set_lcd_bus(void)
static void _set_lcd_clock(void)
{
unsigned int val;
__cpm_stop_lcd();
val = (__cpm_get_pllout2() / LCD_PCLK) - 1;
if ( val > 0x1ff )
val = 0x1ff; /* CPM_LPCDR is too large, set it to 0x1ff */
__cpm_set_pixdiv(val);
__cpm_start_lcd();
}
void lcd_init_controller(void)
{
#ifdef USB_BOOT
_display_pin_init();
#endif
_set_lcd_bus();
_set_lcd_clock();
SLEEP(1000);