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-rw-r--r--target/linux/ramips/patches-3.18/0005-MIPS-ralink-add-illegal-access-driver.patch115
1 files changed, 0 insertions, 115 deletions
diff --git a/target/linux/ramips/patches-3.18/0005-MIPS-ralink-add-illegal-access-driver.patch b/target/linux/ramips/patches-3.18/0005-MIPS-ralink-add-illegal-access-driver.patch
deleted file mode 100644
index fa9cd21b03..0000000000
--- a/target/linux/ramips/patches-3.18/0005-MIPS-ralink-add-illegal-access-driver.patch
+++ /dev/null
@@ -1,115 +0,0 @@
-From 60999174904c731e55992a4087999bbd4e5f2051 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Thu, 16 May 2013 23:28:23 +0200
-Subject: [PATCH 05/57] MIPS: ralink: add illegal access driver
-
-these SoCs have a special irq that fires upon an illegal memmory access.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/ralink/Makefile | 2 +
- arch/mips/ralink/ill_acc.c | 87 ++++++++++++++++++++++++++++++++++++++++++++
- 2 files changed, 89 insertions(+)
- create mode 100644 arch/mips/ralink/ill_acc.c
-
---- a/arch/mips/ralink/Makefile
-+++ b/arch/mips/ralink/Makefile
-@@ -10,6 +10,8 @@ obj-y := prom.o of.o reset.o clk.o irq.o
-
- obj-$(CONFIG_CLKEVT_RT3352) += cevt-rt3352.o
-
-+obj-$(CONFIG_RALINK_ILL_ACC) += ill_acc.o
-+
- obj-$(CONFIG_SOC_RT288X) += rt288x.o
- obj-$(CONFIG_SOC_RT305X) += rt305x.o
- obj-$(CONFIG_SOC_RT3883) += rt3883.o
---- /dev/null
-+++ b/arch/mips/ralink/ill_acc.c
-@@ -0,0 +1,87 @@
-+/*
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published
-+ * by the Free Software Foundation.
-+ *
-+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
-+ */
-+
-+#include <linux/interrupt.h>
-+#include <linux/of_platform.h>
-+#include <linux/of_irq.h>
-+
-+#include <asm/mach-ralink/ralink_regs.h>
-+
-+#define REG_ILL_ACC_ADDR 0x10
-+#define REG_ILL_ACC_TYPE 0x14
-+
-+#define ILL_INT_STATUS BIT(31)
-+#define ILL_ACC_WRITE BIT(30)
-+#define ILL_ACC_LEN_M 0xff
-+#define ILL_ACC_OFF_M 0xf
-+#define ILL_ACC_OFF_S 16
-+#define ILL_ACC_ID_M 0x7
-+#define ILL_ACC_ID_S 8
-+
-+#define DRV_NAME "ill_acc"
-+
-+static const char *ill_acc_ids[] = {
-+ "cpu", "dma", "ppe", "pdma rx","pdma tx", "pci/e", "wmac", "usb",
-+};
-+
-+static irqreturn_t ill_acc_irq_handler(int irq, void *_priv)
-+{
-+ struct device *dev = (struct device *) _priv;
-+ u32 addr = rt_memc_r32(REG_ILL_ACC_ADDR);
-+ u32 type = rt_memc_r32(REG_ILL_ACC_TYPE);
-+
-+ dev_err(dev, "illegal %s access from %s - addr:0x%08x offset:%d len:%d\n",
-+ (type & ILL_ACC_WRITE) ? ("write") : ("read"),
-+ ill_acc_ids[(type >> ILL_ACC_ID_S) & ILL_ACC_ID_M],
-+ addr, (type >> ILL_ACC_OFF_S) & ILL_ACC_OFF_M,
-+ type & ILL_ACC_LEN_M);
-+
-+ rt_memc_w32(REG_ILL_ACC_TYPE, REG_ILL_ACC_TYPE);
-+
-+ return IRQ_HANDLED;
-+}
-+
-+static int __init ill_acc_of_setup(void)
-+{
-+ struct platform_device *pdev;
-+ struct device_node *np;
-+ int irq;
-+
-+ /* somehow this driver breaks on RT5350 */
-+ if (of_machine_is_compatible("ralink,rt5350-soc"))
-+ return -EINVAL;
-+
-+ np = of_find_compatible_node(NULL, NULL, "ralink,rt3050-memc");
-+ if (!np)
-+ return -EINVAL;
-+
-+ pdev = of_find_device_by_node(np);
-+ if (!pdev) {
-+ pr_err("%s: failed to lookup pdev\n", np->name);
-+ return -EINVAL;
-+ }
-+
-+ irq = irq_of_parse_and_map(np, 0);
-+ if (!irq) {
-+ dev_err(&pdev->dev, "failed to get irq\n");
-+ return -EINVAL;
-+ }
-+
-+ if (request_irq(irq, ill_acc_irq_handler, 0, "ill_acc", &pdev->dev)) {
-+ dev_err(&pdev->dev, "failed to request irq\n");
-+ return -EINVAL;
-+ }
-+
-+ rt_memc_w32(ILL_INT_STATUS, REG_ILL_ACC_TYPE);
-+
-+ dev_info(&pdev->dev, "irq registered\n");
-+
-+ return 0;
-+}
-+
-+arch_initcall(ill_acc_of_setup);