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| author | Stefan Roese <sr@denx.de> | 2005-10-28 12:21:06 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2005-10-28 12:21:06 +0200 |
| commit | e190290ba40fc5340cefd04dd6abf5def15065b9 (patch) | |
| tree | 34c6a60910c333f7765854847c6cf34b0b73b8d4 /board/amcc | |
| parent | 7b5cac0e1958173a390ae6d620a610028cad25f8 (diff) | |
| download | u-boot-imx-e190290ba40fc5340cefd04dd6abf5def15065b9.zip u-boot-imx-e190290ba40fc5340cefd04dd6abf5def15065b9.tar.gz u-boot-imx-e190290ba40fc5340cefd04dd6abf5def15065b9.tar.bz2 | |
Fix external IRQ configuration on Yellowstone & Yosemite
The multiplexed signals Ext IRQ0...3 have to be configured as IRQ,
because they default to GPIOx (440EP/GR).
Patch by Stefan Roese, 28 Oct 2005
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/yellowstone/yellowstone.c | 5 | ||||
| -rw-r--r-- | board/amcc/yosemite/yosemite.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/board/amcc/yellowstone/yellowstone.c b/board/amcc/yellowstone/yellowstone.c index 4c0ae21..c2b7cf1 100644 --- a/board/amcc/yellowstone/yellowstone.c +++ b/board/amcc/yellowstone/yellowstone.c @@ -95,6 +95,11 @@ int board_early_init_f(void) out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000); out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000); + /* external interrupts IRQ0...3 */ + out32(GPIO1_TCR, in32(GPIO1_TCR) & ~0x0f000000); + out32(GPIO1_TSRL, in32(GPIO1_TSRL) & ~0x00005500); + out32(GPIO1_ISR1L, in32(GPIO1_ISR1L) | 0x00005500); + #if 0 /* test-only */ /*setup USB 2.0 */ out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000); diff --git a/board/amcc/yosemite/yosemite.c b/board/amcc/yosemite/yosemite.c index 7190740..03b412b 100644 --- a/board/amcc/yosemite/yosemite.c +++ b/board/amcc/yosemite/yosemite.c @@ -95,6 +95,11 @@ int board_early_init_f(void) out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000); out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000); + /* external interrupts IRQ0...3 */ + out32(GPIO1_TCR, in32(GPIO1_TCR) & ~0x0f000000); + out32(GPIO1_TSRL, in32(GPIO1_TSRL) & ~0x00005500); + out32(GPIO1_ISR1L, in32(GPIO1_ISR1L) | 0x00005500); + /*setup USB 2.0 */ out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000); out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x50000000); |