diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.2/0067-MIPS-lantiq-adds-bootsel-helper.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.2/0067-MIPS-lantiq-adds-bootsel-helper.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.2/0067-MIPS-lantiq-adds-bootsel-helper.patch b/target/linux/lantiq/patches-3.2/0067-MIPS-lantiq-adds-bootsel-helper.patch new file mode 100644 index 000000000..74f72107f --- /dev/null +++ b/target/linux/lantiq/patches-3.2/0067-MIPS-lantiq-adds-bootsel-helper.patch @@ -0,0 +1,66 @@ +From 5e679bb5e0ba948e5a1aa52ab50b6b60d175348d Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Wed, 21 Mar 2012 14:17:37 +0100 +Subject: [PATCH 67/73] 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); +-- +1.7.9.1 + |