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authorStefan Roese <sr@denx.de>2005-10-28 12:21:06 +0200
committerStefan Roese <sr@denx.de>2005-10-28 12:21:06 +0200
commite190290ba40fc5340cefd04dd6abf5def15065b9 (patch)
tree34c6a60910c333f7765854847c6cf34b0b73b8d4 /board/amcc/yellowstone
parent7b5cac0e1958173a390ae6d620a610028cad25f8 (diff)
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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/yellowstone')
-rw-r--r--board/amcc/yellowstone/yellowstone.c5
1 files changed, 5 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);