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microblaze: Add support for little-endian Microblaze

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Microblaze little-endian toolchain exports __MICROBLAZEEL__
which is used in the kernel to identify little/big endian.

The most of the changes are in loading values from DTB which
is always big endian.

Little endian platforms are based on new AXI bus which has
impact to early uartlite initialization.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek
2010-09-28 16:04:14 +10:00
parent e4f2909227
commit 02b08045a0
10 changed files with 42 additions and 18 deletions
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8
arch/microblaze/kernel/timer.c
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@ -270,11 +270,11 @@ void __init time_init(void)
}
BUG_ON(!timer);
timer_baseaddr = *(int *) of_get_property(timer, "reg", NULL);
timer_baseaddr = be32_to_cpup(of_get_property(timer, "reg", NULL));
timer_baseaddr = (unsigned long) ioremap(timer_baseaddr, PAGE_SIZE);
irq = *(int *) of_get_property(timer, "interrupts", NULL);
timer_num =
*(int *) of_get_property(timer, "xlnx,one-timer-only", NULL);
irq = be32_to_cpup(of_get_property(timer, "interrupts", NULL));
timer_num = be32_to_cpup(of_get_property(timer,
"xlnx,one-timer-only", NULL));
if (timer_num) {
eprintk(KERN_EMERG "Please enable two timers in HW\n");
BUG();