diff options
| author | Marcin Bukat <marcin.bukat@gmail.com> | 2010-12-20 21:13:27 +0000 |
|---|---|---|
| committer | Marcin Bukat <marcin.bukat@gmail.com> | 2010-12-20 21:13:27 +0000 |
| commit | dddab541513c12982f649ac6498c425d40517613 (patch) | |
| tree | a83fec685591d9ffe4d8d01a4b7d15c7668ef62f /firmware | |
| parent | 4c046d090b6073520690672e65e2e6fbc2d0651f (diff) | |
HD300 - Fix bootloader freeze introduced in r28799. DMA transfer hangs for some reason when cpu runs @11MHz in bootloader.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28867 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/target/coldfire/mpio/hd300/lcd-hd300.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/firmware/target/coldfire/mpio/hd300/lcd-hd300.c b/firmware/target/coldfire/mpio/hd300/lcd-hd300.c index d66210db22..3752a84073 100644 --- a/firmware/target/coldfire/mpio/hd300/lcd-hd300.c +++ b/firmware/target/coldfire/mpio/hd300/lcd-hd300.c @@ -210,13 +210,10 @@ void lcd_update(void) lcd_write_command_ex(LCD_CNTL_COLUMN, 0, -1); lcd_write_command(LCD_CNTL_DATA_WRITE); - /* lcd can't handle the speed of DMA transfer when boosted */ - if ( cpu_frequency > 60000000 ) - { - /* Copy display bitmap to hardware */ - lcd_write_data (&lcd_framebuffer[0][0], LCD_WIDTH*LCD_FBHEIGHT); - } - else + /* lcd can't handle the speed of DMA transfer when boosted + * 11 MHz in bootloader hangs for unknown reason + */ + if ( cpu_frequency == CPUFREQ_NORMAL ) { /* Copy display bitmap to hardware using DMA */ DSR3 = 1; @@ -226,6 +223,12 @@ void lcd_update(void) DCR3 = DMA_BWC(1) | DMA_SINC | DMA_SSIZE(DMA_SIZE_BYTE) | DMA_DSIZE(DMA_SIZE_BYTE) | DMA_START; } + else + { + /* Copy display bitmap to hardware */ + lcd_write_data (&lcd_framebuffer[0][0], LCD_WIDTH*LCD_FBHEIGHT); + } + } /* Update a fraction of the display. */ |