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Fix external IRQ configuration on Yellowstone & Yosemite

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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
This commit is contained in:
Stefan Roese 2005-10-28 12:21:06 +02:00
parent 7b5cac0e19
commit e190290ba4
3 changed files with 13 additions and 0 deletions
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3
CHANGELOG
View File

@ -2,6 +2,9 @@
Changes for U-Boot 1.1.4: Changes for U-Boot 1.1.4:
====================================================================== ======================================================================
* Fix external IRQ configuration on Yellowstone & Yosemite
Patch by Stefan Roese, 28 Oct 2005
* Add PCI support for the TQM834x board. * Add PCI support for the TQM834x board.
* Add missing 4xx board to MAKEALL * Add missing 4xx board to MAKEALL

5
board/amcc/yellowstone/yellowstone.c
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@ -95,6 +95,11 @@ int board_early_init_f(void)
out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000); out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000);
out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000); 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 */ #if 0 /* test-only */
/*setup USB 2.0 */ /*setup USB 2.0 */
out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000); out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000);

5
board/amcc/yosemite/yosemite.c
View File

@ -95,6 +95,11 @@ int board_early_init_f(void)
out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000); out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000);
out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000); 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 */ /*setup USB 2.0 */
out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000); out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000);
out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x50000000); out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x50000000);