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hm60x/hm801: Fix USB DAC functionality

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GPIOA pin 1 used for USB DAC. This configures IO mux for using
GPIOA 0-4 pins instead of lcd data16-18,20,22, which are not needed,
because hifiman's lcd works in 16bit mode.

Change-Id: I47fe72abee56aebc56ef1c4c8a07a93698dcaa49
This commit is contained in:
Andrew Ryabinin 2012-02-23 22:58:04 +04:00
parent 7b99318710
commit 35153885c1
1 changed files with 4 additions and 1 deletions
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5
firmware/target/arm/rk27xx/lcdif-rk27xx.c
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@ -122,13 +122,16 @@ static void lcdctrl_init(void)
LCDC_INTR_MASK = INTR_MASK_LINE; /* INTR_MASK_EVENLINE; */ LCDC_INTR_MASK = INTR_MASK_LINE; /* INTR_MASK_EVENLINE; */
} }
/* configure pins to drive lcd in 18bit mode */ /* configure pins to drive lcd in 18bit mode (16bit mode for HiFiMAN's) */
static void iomux_lcd(void) static void iomux_lcd(void)
{ {
unsigned long muxa; unsigned long muxa;
muxa = SCU_IOMUXA_CON & ~(IOMUX_LCD_VSYNC|IOMUX_LCD_DEN|0xff); muxa = SCU_IOMUXA_CON & ~(IOMUX_LCD_VSYNC|IOMUX_LCD_DEN|0xff);
#if !defined(HM801) && !defined(HM60x)
muxa |= IOMUX_LCD_D18|IOMUX_LCD_D20|IOMUX_LCD_D22|IOMUX_LCD_D17|IOMUX_LCD_D16; muxa |= IOMUX_LCD_D18|IOMUX_LCD_D20|IOMUX_LCD_D22|IOMUX_LCD_D17|IOMUX_LCD_D16;
#endif
SCU_IOMUXA_CON = muxa; SCU_IOMUXA_CON = muxa;
SCU_IOMUXB_CON |= IOMUX_LCD_D815; SCU_IOMUXB_CON |= IOMUX_LCD_D815;