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author | William Wilgus <wilgus.william@gmail.com> | 2020-08-30 17:22:19 -0400 |
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committer | William Wilgus <wilgus.william@gmail.com> | 2020-08-30 17:26:43 -0400 |
commit | 06e9abc428fc5add36bebf9fed8a5a6353e41b21 (patch) | |
tree | fd403157dc67a86197dd5836dfe42a303137c541 | |
parent | e06ab6816600c03cd8eb5b8a887851c101bcb693 (diff) | |
download | rockbox-06e9abc.tar.gz rockbox-06e9abc.zip |
XduooX3 Tweak LCD drive strength and slew
Change-Id: Ic5ee9e700a0c8acffc39b51cedc24ff44d230fd3
-rw-r--r-- | firmware/export/jz4760b.h | 6 | ||||
-rw-r--r-- | firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c | 18 |
2 files changed, 17 insertions, 7 deletions
diff --git a/firmware/export/jz4760b.h b/firmware/export/jz4760b.h index be1e4f3aea..e61689105c 100644 --- a/firmware/export/jz4760b.h +++ b/firmware/export/jz4760b.h @@ -275,9 +275,9 @@ #define REG_GPIO_PXDS2(n) REG32(GPIO_PXDS2(n)) #define REG_GPIO_PXDS2S(n) REG32(GPIO_PXDS2S(n)) #define REG_GPIO_PXDS2C(n) REG32(GPIO_PXDS2C(n)) -#define REG_GPIO_PXSL(n) REG32(GPIO_PXSL(n)) -#define REG_GPIO_PXSLS(n) REG32(GPIO_PXSLS(n)) -#define REG_GPIO_PXSLC(n) REG32(GPIO_PXSLC(n)) +#define REG_GPIO_PXSL(n) REG32(GPIO_PXSL(n)) /* Port Slew */ +#define REG_GPIO_PXSLS(n) REG32(GPIO_PXSLS(n)) /* Port Slew -- Fast */ +#define REG_GPIO_PXSLC(n) REG32(GPIO_PXSLC(n)) /* Port Slew -- Slow */ /*---------------------------------------------------------------- * p is the port number (0,1,2,3,4,5) diff --git a/firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c b/firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c index ce8840f9d2..d4ab26ea5f 100644 --- a/firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c +++ b/firmware/target/mips/ingenic_jz47xx/xduoo_x3/lcd-xduoo_x3.c @@ -97,10 +97,20 @@ static inline void bitdelay(void) void lcd_hw_init(void) { - REG_GPIO_PXFUNC(2) = 0x000C73FC; /* D0-D7 RD DC CS RES WR */ - REG_GPIO_PXSELC(2) = 0x000C73FC; - REG_GPIO_PXDIRS(2) = 0x000C73FC; - REG_GPIO_PXDATS(2) = 0x000C73FC; + REG_GPIO_PXFUNC(2) = 0x000C73FC; /* D0-D7 RD DC CS RES WR -- GPIO/INTERRUPT */ + REG_GPIO_PXSELC(2) = 0x000C73FC; /* GPIO */ + + REG_GPIO_PXPEC(2) = 0x000C73FC; /* ENABLE PULLUP*/ + + REG_GPIO_PXDIRS(2) = 0x000C73FC; /* OUTPUT */ + REG_GPIO_PXDATS(2) = 0x000C73FC; /* D0-D7 RD DC CS RES WR -- SET BIT */ + + REG_GPIO_PXSLC(2) = 0x000C73FC; /* slew -- slow rate */ + + REG_GPIO_PXDS0C(2) = 0x000C73FC; /* Low pin drive strength */ + REG_GPIO_PXDS1C(2) = 0x000C73FC; + REG_GPIO_PXDS2C(2) = 0x000C73FC; + __gpio_clear_pin(PIN_BL_EN); __gpio_as_output(PIN_BL_EN); __gpio_clear_pin(PIN_LCD_RES); |