summaryrefslogtreecommitdiff
path: root/target/linux/lantiq/patches-3.2/0061-MIPS-cleanup-reset-code.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/lantiq/patches-3.2/0061-MIPS-cleanup-reset-code.patch')
-rw-r--r--target/linux/lantiq/patches-3.2/0061-MIPS-cleanup-reset-code.patch98
1 files changed, 0 insertions, 98 deletions
diff --git a/target/linux/lantiq/patches-3.2/0061-MIPS-cleanup-reset-code.patch b/target/linux/lantiq/patches-3.2/0061-MIPS-cleanup-reset-code.patch
deleted file mode 100644
index ee32847420..0000000000
--- a/target/linux/lantiq/patches-3.2/0061-MIPS-cleanup-reset-code.patch
+++ /dev/null
@@ -1,98 +0,0 @@
-From 5e04db198bbad2dc345262e838965332826eb37c Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Fri, 16 Mar 2012 15:49:32 +0100
-Subject: [PATCH 61/73] MIPS: cleanup reset code
-
----
- arch/mips/lantiq/xway/reset.c | 59 ++++++++++++++++++++++++++++++++++------
- 1 files changed, 50 insertions(+), 9 deletions(-)
-
---- a/arch/mips/lantiq/xway/reset.c
-+++ b/arch/mips/lantiq/xway/reset.c
-@@ -11,6 +11,7 @@
- #include <linux/ioport.h>
- #include <linux/pm.h>
- #include <linux/export.h>
-+#include <linux/delay.h>
- #include <asm/reboot.h>
-
- #include <lantiq_soc.h>
-@@ -20,12 +21,45 @@
- #define ltq_rcu_w32(x, y) ltq_w32((x), ltq_rcu_membase + (y))
- #define ltq_rcu_r32(x) ltq_r32(ltq_rcu_membase + (x))
-
--/* register definitions */
--#define LTQ_RCU_RST 0x0010
--#define LTQ_RCU_RST_ALL 0x40000000
--
--#define LTQ_RCU_RST_STAT 0x0014
--#define LTQ_RCU_STAT_SHIFT 26
-+/* reset request register */
-+#define RCU_RST_REQ 0x0010
-+/* reset status register */
-+#define RCU_RST_STAT 0x0014
-+
-+/* reset cause */
-+#define RCU_STAT_SHIFT 26
-+/* Global SW Reset */
-+#define RCU_RD_SRST BIT(30)
-+/* Memory Controller */
-+#define RCU_RD_MC BIT(14)
-+/* PCI core */
-+#define RCU_RD_PCI BIT(13)
-+/* Voice DFE/AFE */
-+#define RCU_RD_DFE_AFE BIT(12)
-+/* DSL AFE */
-+#define RCU_RD_DSL_AFE BIT(11)
-+/* SDIO core */
-+#define RCU_RD_SDIO BIT(10)
-+/* DMA core */
-+#define RCU_RD_DMA BIT(9)
-+/* PPE core */
-+#define RCU_RD_PPE BIT(8)
-+/* ARC/DFE core */
-+#define RCU_RD_ARC_DFE BIT(7)
-+/* AHB bus */
-+#define RCU_RD_AHB BIT(6)
-+/* Ethernet MAC1 */
-+#define RCU_RD_ENET_MAC1 BIT(5)
-+/* USB and Phy core */
-+#define RCU_RD_USB BIT(4)
-+/* CPU1 subsystem */
-+#define RCU_RD_CPU1 BIT(3)
-+/* FPI bus */
-+#define RCU_RD_FPI BIT(2)
-+/* CPU0 subsystem */
-+#define RCU_RD_CPU0 BIT(1)
-+/* HW reset via HRST pin */
-+#define RCU_RD_HRST BIT(0)
-
- static struct resource ltq_rcu_resource =
- MEM_RES("rcu", LTQ_RCU_BASE_ADDR, LTQ_RCU_SIZE);
-@@ -36,16 +70,23 @@ static void __iomem *ltq_rcu_membase;
- /* This function is used by the watchdog driver */
- int ltq_reset_cause(void)
- {
-- u32 val = ltq_rcu_r32(LTQ_RCU_RST_STAT);
-- return val >> LTQ_RCU_STAT_SHIFT;
-+ u32 val = ltq_rcu_r32(RCU_RST_STAT);
-+ return val >> RCU_STAT_SHIFT;
- }
- EXPORT_SYMBOL_GPL(ltq_reset_cause);
-
-+void ltq_reset_once(unsigned int module, ulong usec)
-+{
-+ ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | module, RCU_RST_REQ);
-+ udelay(usec);
-+ ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) & ~module, RCU_RST_REQ);
-+}
-+
- static void ltq_machine_restart(char *command)
- {
- pr_notice("System restart\n");
- local_irq_disable();
-- ltq_rcu_w32(ltq_rcu_r32(LTQ_RCU_RST) | LTQ_RCU_RST_ALL, LTQ_RCU_RST);
-+ ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | RCU_RD_SRST, RCU_RST_REQ);
- unreachable();
- }
-