654bc380ec
keep default as 3.14, mt7621 gic need to be ported to 3.18 Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44349
76 lines
2.0 KiB
Diff
76 lines
2.0 KiB
Diff
From b1cc9a15f6ead8dbd849257e42d69a5799fb7597 Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Wed, 6 Aug 2014 18:24:36 +0200
|
|
Subject: [PATCH 25/57] MIPS: ralink: allow loading irq registers from the
|
|
devicetree
|
|
|
|
Signed-off-by: John Crispin <blogic@openwrt.org>
|
|
---
|
|
arch/mips/ralink/irq.c | 33 +++++++++++++++++++++++----------
|
|
1 file changed, 23 insertions(+), 10 deletions(-)
|
|
|
|
--- a/arch/mips/ralink/irq.c
|
|
+++ b/arch/mips/ralink/irq.c
|
|
@@ -20,14 +20,6 @@
|
|
|
|
#include "common.h"
|
|
|
|
-/* INTC register offsets */
|
|
-#define INTC_REG_STATUS0 0x00
|
|
-#define INTC_REG_STATUS1 0x04
|
|
-#define INTC_REG_TYPE 0x20
|
|
-#define INTC_REG_RAW_STATUS 0x30
|
|
-#define INTC_REG_ENABLE 0x34
|
|
-#define INTC_REG_DISABLE 0x38
|
|
-
|
|
#define INTC_INT_GLOBAL BIT(31)
|
|
|
|
#define RALINK_CPU_IRQ_INTC (MIPS_CPU_IRQ_BASE + 2)
|
|
@@ -44,16 +36,34 @@
|
|
|
|
#define RALINK_INTC_IRQ_PERFC (RALINK_INTC_IRQ_BASE + 9)
|
|
|
|
+enum rt_intc_regs_enum {
|
|
+ INTC_REG_STATUS0 = 0,
|
|
+ INTC_REG_STATUS1,
|
|
+ INTC_REG_TYPE,
|
|
+ INTC_REG_RAW_STATUS,
|
|
+ INTC_REG_ENABLE,
|
|
+ INTC_REG_DISABLE,
|
|
+};
|
|
+
|
|
+static u32 rt_intc_regs[] = {
|
|
+ [INTC_REG_STATUS0] = 0x00,
|
|
+ [INTC_REG_STATUS1] = 0x04,
|
|
+ [INTC_REG_TYPE] = 0x20,
|
|
+ [INTC_REG_RAW_STATUS] = 0x30,
|
|
+ [INTC_REG_ENABLE] = 0x34,
|
|
+ [INTC_REG_DISABLE] = 0x38,
|
|
+};
|
|
+
|
|
static void __iomem *rt_intc_membase;
|
|
|
|
static inline void rt_intc_w32(u32 val, unsigned reg)
|
|
{
|
|
- __raw_writel(val, rt_intc_membase + reg);
|
|
+ __raw_writel(val, rt_intc_membase + rt_intc_regs[reg]);
|
|
}
|
|
|
|
static inline u32 rt_intc_r32(unsigned reg)
|
|
{
|
|
- return __raw_readl(rt_intc_membase + reg);
|
|
+ return __raw_readl(rt_intc_membase + rt_intc_regs[reg]);
|
|
}
|
|
|
|
static void ralink_intc_irq_unmask(struct irq_data *d)
|
|
@@ -134,6 +144,9 @@ static int __init intc_of_init(struct de
|
|
struct irq_domain *domain;
|
|
int irq;
|
|
|
|
+ if (!of_property_read_u32_array(node, "ralink,intc-registers", rt_intc_regs, 6))
|
|
+ pr_info("intc: using register map from devicetree\n");
|
|
+
|
|
irq = irq_of_parse_and_map(node, 0);
|
|
if (!irq)
|
|
panic("Failed to get INTC IRQ");
|