diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.3/0058-MIPS-cleanup-reset-code.patch')
-rw-r--r-- | target/linux/lantiq/patches-3.3/0058-MIPS-cleanup-reset-code.patch | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/target/linux/lantiq/patches-3.3/0058-MIPS-cleanup-reset-code.patch b/target/linux/lantiq/patches-3.3/0058-MIPS-cleanup-reset-code.patch deleted file mode 100644 index 47e491dc4..000000000 --- a/target/linux/lantiq/patches-3.3/0058-MIPS-cleanup-reset-code.patch +++ /dev/null @@ -1,98 +0,0 @@ -From f2e6a9e24af6d3e3ca14e66269c9621cecb9836b Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Fri, 16 Mar 2012 15:49:32 +0100 -Subject: [PATCH 58/70] 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(); - } - |