mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-07-20 20:45:42 +03:00
05448b64c0
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25139 3c298f89-4303-0410-b956-a3cf2f4a3e73
49 lines
1.8 KiB
Diff
49 lines
1.8 KiB
Diff
From af1da1d5a8701f39cdbae4a0ab8e04b450eef298 Mon Sep 17 00:00:00 2001
|
|
From: Daniel Hellstrom <daniel@gaisler.com>
|
|
Date: Wed, 8 Sep 2010 18:05:38 +0200
|
|
Subject: [PATCH] SPARC/LEON: find IRQ and Timer via OF-Tree, instead of hardcoded.
|
|
|
|
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
|
|
---
|
|
arch/sparc/kernel/leon_kernel.c | 23 ++++++++++++++++++++++-
|
|
1 files changed, 22 insertions(+), 1 deletions(-)
|
|
|
|
--- a/arch/sparc/kernel/leon_kernel.c
|
|
+++ b/arch/sparc/kernel/leon_kernel.c
|
|
@@ -105,13 +105,34 @@ static void leon_disable_irq(unsigned in
|
|
void __init leon_init_timers(irq_handler_t counter_fn)
|
|
{
|
|
int irq;
|
|
+ struct device_node *rootnp, *np;
|
|
+ struct property *pp;
|
|
+ int len;
|
|
|
|
leondebug_irq_disable = 0;
|
|
leon_debug_irqout = 0;
|
|
master_l10_counter = (unsigned int *)&dummy_master_l10_counter;
|
|
dummy_master_l10_counter = 0;
|
|
|
|
- if (leon3_gptimer_regs && leon3_irqctrl_regs) {
|
|
+ /* Find IRQMP IRQ Controller Registers base address otherwise bail out. */
|
|
+ rootnp = of_find_node_by_path("/ambapp0");
|
|
+ if (rootnp && (np=of_find_node_by_name(rootnp, "GAISLER_IRQMP"))) {
|
|
+ pp = of_find_property(np, "reg", &len);
|
|
+ if (pp)
|
|
+ leon3_irqctrl_regs = *(struct leon3_irqctrl_regs_map **)pp->value;
|
|
+ }
|
|
+
|
|
+ /* Find GPTIMER Timer Registers base address otherwise bail out. */
|
|
+ if (rootnp && (np=of_find_node_by_name(rootnp, "GAISLER_GPTIMER"))) {
|
|
+ pp = of_find_property(np, "reg", &len);
|
|
+ if (pp)
|
|
+ leon3_gptimer_regs = *(struct leon3_gptimer_regs_map **)pp->value;
|
|
+ pp = of_find_property(np, "interrupts", &len);
|
|
+ if (pp)
|
|
+ leon3_gptimer_irq = *(unsigned int *)pp->value;
|
|
+ }
|
|
+
|
|
+ if (leon3_gptimer_regs && leon3_irqctrl_regs && leon3_gptimer_irq) {
|
|
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].val, 0);
|
|
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].rld,
|
|
(((1000000 / 100) - 1)));
|