From a02de007a40b36d7b17071b0fac80bb06d4c46df Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 7 Aug 2014 14:41:19 +0000 Subject: ralink: add 3.14 support Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42040 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...-allow-loading-irq-registers-from-the-dev.patch | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 target/linux/ramips/patches-3.14/0025-MIPS-ralink-allow-loading-irq-registers-from-the-dev.patch (limited to 'target/linux/ramips/patches-3.14/0025-MIPS-ralink-allow-loading-irq-registers-from-the-dev.patch') diff --git a/target/linux/ramips/patches-3.14/0025-MIPS-ralink-allow-loading-irq-registers-from-the-dev.patch b/target/linux/ramips/patches-3.14/0025-MIPS-ralink-allow-loading-irq-registers-from-the-dev.patch new file mode 100644 index 0000000000..3a114d0699 --- /dev/null +++ b/target/linux/ramips/patches-3.14/0025-MIPS-ralink-allow-loading-irq-registers-from-the-dev.patch @@ -0,0 +1,80 @@ +From b1cc9a15f6ead8dbd849257e42d69a5799fb7597 Mon Sep 17 00:00:00 2001 +From: John Crispin +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 +--- + arch/mips/ralink/irq.c | 33 +++++++++++++++++++++++---------- + 1 file changed, 23 insertions(+), 10 deletions(-) + +diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c +index 781b3d1..82c3146 100644 +--- 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 device_node *node, + 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"); +-- +1.7.10.4 + -- cgit v1.2.3