len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-12-10 13:45:10 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

fuze+: fix typo (mdelay vs udelay) in register read (shouldn't change anything) and be sure lcdif is ready

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30958 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-11-10 17:29:57 +00:00
parent 0d2484bedb
commit 7aac4188d2
1 changed files with 16 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

31
firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c
View file

@ -164,39 +164,40 @@ static void setup_lcdif_clock(void)
static uint32_t i80_read_register(uint32_t data_out) static uint32_t i80_read_register(uint32_t data_out)
{ {
imx233_lcdif_wait_ready();
/* lcd_enable is mapped to the RD pin of the controller */ /* lcd_enable is mapped to the RD pin of the controller */
imx233_set_gpio_output(1, 21, true); /* lcd_cs */ imx233_set_gpio_output(1, 21, true); /* lcd_cs */
imx233_set_gpio_output(1, 19, true); /* lcd_rs */ imx233_set_gpio_output(1, 19, true); /* lcd_rs */
imx233_set_gpio_output(1, 23, true); /* lcd_enable */ imx233_set_gpio_output(1, 23, true); /* lcd_enable */
imx233_set_gpio_output(1, 20, true); /* lcd_wr */ imx233_set_gpio_output(1, 20, true); /* lcd_wr */
imx233_enable_gpio_output_mask(1, 0x3ffff, true); /* lcd_d{0-17} */ imx233_enable_gpio_output_mask(1, 0x3ffff, true); /* lcd_d{0-17} */
mdelay(2); udelay(2);
imx233_set_gpio_output(1, 19, false); /* lcd_rs */ imx233_set_gpio_output(1, 19, false); /* lcd_rs */
mdelay(1); udelay(1);
imx233_set_gpio_output(1, 21, false); /* lcd_cs */ imx233_set_gpio_output(1, 21, false); /* lcd_cs */
mdelay(1); udelay(1);
imx233_set_gpio_output(1, 20, false); /* lcd_wr */ imx233_set_gpio_output(1, 20, false); /* lcd_wr */
mdelay(1); udelay(1);
imx233_set_gpio_output_mask(1, data_out & 0x3ffff, true); /* lcd_d{0-17} */ imx233_set_gpio_output_mask(1, data_out & 0x3ffff, true); /* lcd_d{0-17} */
mdelay(1); udelay(1);
imx233_set_gpio_output(1, 20, true); /* lcd_wr */ imx233_set_gpio_output(1, 20, true); /* lcd_wr */
mdelay(3); udelay(3);
imx233_enable_gpio_output_mask(1, 0x3ffff, false); /* lcd_d{0-17} */ imx233_enable_gpio_output_mask(1, 0x3ffff, false); /* lcd_d{0-17} */
mdelay(2); udelay(2);
imx233_set_gpio_output(1, 23, false); /* lcd_enable */ imx233_set_gpio_output(1, 23, false); /* lcd_enable */
mdelay(1); udelay(1);
imx233_set_gpio_output(1, 19, true); /* lcd_rs */ imx233_set_gpio_output(1, 19, true); /* lcd_rs */
mdelay(1); udelay(1);
imx233_set_gpio_output(1, 23, true); /* lcd_enable */ imx233_set_gpio_output(1, 23, true); /* lcd_enable */
mdelay(3); udelay(3);
imx233_set_gpio_output(1, 23, false); /* lcd_enable */ imx233_set_gpio_output(1, 23, false); /* lcd_enable */
mdelay(2); udelay(2);
uint32_t data_in = imx233_get_gpio_input_mask(1, 0x3ffff); /* lcd_d{0-17} */ uint32_t data_in = imx233_get_gpio_input_mask(1, 0x3ffff); /* lcd_d{0-17} */
mdelay(1); udelay(1);
imx233_set_gpio_output(1, 23, true); /* lcd_enable */ imx233_set_gpio_output(1, 23, true); /* lcd_enable */
mdelay(1); udelay(1);
imx233_set_gpio_output(1, 21, true); /* lcd_cs */ imx233_set_gpio_output(1, 21, true); /* lcd_cs */
mdelay(1); udelay(1);
return data_in; return data_in;
} }
@ -372,10 +373,10 @@ void lcd_init_device(void)
for(int i = 0; i < 10; i++) for(int i = 0; i < 10; i++)
{ {
lcd_kind = lcd_read_reg(0); lcd_kind = lcd_read_reg(0);
mdelay(5);
if(lcd_kind == LCD_KIND_7783 || lcd_kind == LCD_KIND_9325) if(lcd_kind == LCD_KIND_7783 || lcd_kind == LCD_KIND_9325)
break; break;
} }
mdelay(5);
switch(lcd_kind) switch(lcd_kind)
{ {
case LCD_KIND_7783: lcd_init_seq_7783(); break; case LCD_KIND_7783: lcd_init_seq_7783(); break;