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-rw-r--r--target/linux/lantiq/patches-3.2/0068-MIPS-lantiq-adds-bootsel-helper.patch66
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.2/0068-MIPS-lantiq-adds-bootsel-helper.patch b/target/linux/lantiq/patches-3.2/0068-MIPS-lantiq-adds-bootsel-helper.patch
new file mode 100644
index 0000000000..81a0cdbfbe
--- /dev/null
+++ b/target/linux/lantiq/patches-3.2/0068-MIPS-lantiq-adds-bootsel-helper.patch
@@ -0,0 +1,66 @@
+From 091358d0004ae2d2a28c9132e6976d46cf96fd3e Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Wed, 21 Mar 2012 14:17:37 +0100
+Subject: [PATCH 68/70] MIPS: lantiq: adds bootsel helper
+
+---
+ .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h | 12 ++++++++++++
+ arch/mips/lantiq/xway/reset.c | 12 +++++++++++-
+ 2 files changed, 23 insertions(+), 1 deletions(-)
+
+diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+index bfdeb16..1ec8f2a 100644
+--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
++++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+@@ -144,6 +144,18 @@
+ #define LTQ_MPS_BASE_ADDR (KSEG1 + 0x1F107000)
+ #define LTQ_MPS_CHIPID ((u32 *)(LTQ_MPS_BASE_ADDR + 0x0344))
+
++/* BOOT_SEL - find what boot media we have */
++#define BS_EXT_ROM 0x0
++#define BS_FLASH 0x1
++#define BS_MII0 0x2
++#define BS_PCI 0x3
++#define BS_UART1 0x4
++#define BS_SPI 0x5
++#define BS_NAND 0x6
++#define BS_RMII0 0x7
++
++extern unsigned char ltq_boot_select(void);
++
+ /* register access macros for EBU and CGU */
+ #define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y))
+ #define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x))
+diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c
+index 8a5dff1..b8f7ffb 100644
+--- a/arch/mips/lantiq/xway/reset.c
++++ b/arch/mips/lantiq/xway/reset.c
+@@ -27,7 +27,11 @@
+ #define RCU_RST_STAT 0x0014
+
+ /* reset cause */
+-#define RCU_STAT_SHIFT 26
++#define RCU_STAT_SHIFT 26
++/* boot selection */
++#define RCU_BOOT_SEL_SHIFT 26
++#define RCU_BOOT_SEL_MASK 0x7
++
+ /* Global SW Reset */
+ #define RCU_RD_SRST BIT(30)
+ /* Memory Controller */
+@@ -75,6 +79,12 @@ int ltq_reset_cause(void)
+ }
+ EXPORT_SYMBOL_GPL(ltq_reset_cause);
+
++unsigned char ltq_boot_select(void)
++{
++ u32 val = ltq_rcu_r32(RCU_RST_STAT);
++ return (val >> RCU_BOOT_SEL_SHIFT) & RCU_BOOT_SEL_MASK;
++}
++
+ void ltq_reset_once(unsigned int module, ulong usec)
+ {
+ ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | module, RCU_RST_REQ);
+--
+1.7.7.1
+