diff options
| author | John Crispin <blogic@openwrt.org> | 2013-11-18 09:35:32 +0000 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2013-11-18 09:35:32 +0000 |
| commit | 451710bb2d02779e3227cf91570c9e1ff51fe412 (patch) | |
| tree | abb932734fbdc2c039de408d9f31316e6ac54100 | |
| parent | 1ee67c6cada549113953a6cf94bbabbab8f1a3b0 (diff) | |
| download | upstream-451710bb2d02779e3227cf91570c9e1ff51fe412.tar.gz upstream-451710bb2d02779e3227cf91570c9e1ff51fe412.tar.bz2 upstream-451710bb2d02779e3227cf91570c9e1ff51fe412.zip | |
ralink: improve mt7620n detection
Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38847 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/ramips/patches-3.10/999-mt7620n.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.10/999-mt7620n.patch b/target/linux/ramips/patches-3.10/999-mt7620n.patch new file mode 100644 index 0000000000..391b590114 --- /dev/null +++ b/target/linux/ramips/patches-3.10/999-mt7620n.patch @@ -0,0 +1,57 @@ +Index: linux-3.10.18/arch/mips/include/asm/mach-ralink/mt7620.h +=================================================================== +--- linux-3.10.18.orig/arch/mips/include/asm/mach-ralink/mt7620.h 2013-11-17 17:50:01.773020032 +0100 ++++ linux-3.10.18/arch/mips/include/asm/mach-ralink/mt7620.h 2013-11-17 17:52:24.373025950 +0100 +@@ -24,11 +24,8 @@ + #define SYSC_REG_CPLL_CONFIG0 0x54 + #define SYSC_REG_CPLL_CONFIG1 0x58 + +-#define MT7620N_CHIP_NAME0 0x33365452 +-#define MT7620N_CHIP_NAME1 0x20203235 +- +-#define MT7620A_CHIP_NAME0 0x3637544d +-#define MT7620A_CHIP_NAME1 0x20203032 ++#define MT7620_CHIP_NAME0 0x3637544d ++#define MT7620_CHIP_NAME1 0x20203032 + + #define CHIP_REV_PKG_MASK 0x1 + #define CHIP_REV_PKG_SHIFT 16 +Index: linux-3.10.18/arch/mips/ralink/mt7620.c +=================================================================== +--- linux-3.10.18.orig/arch/mips/ralink/mt7620.c 2013-11-17 17:50:01.773020032 +0100 ++++ linux-3.10.18/arch/mips/ralink/mt7620.c 2013-11-17 17:52:24.373025950 +0100 +@@ -167,22 +167,27 @@ + u32 cfg0; + u32 pmu0; + u32 pmu1; ++ u32 bga; + + n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0); + n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1); ++ rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); ++ bga = (rev >> CHIP_REV_PKG_SHIFT) & CHIP_REV_PKG_MASK; + +- if (n0 == MT7620N_CHIP_NAME0 && n1 == MT7620N_CHIP_NAME1) { +- name = "MT7620N"; +- soc_info->compatible = "ralink,mt7620n-soc"; +- } else if (n0 == MT7620A_CHIP_NAME0 && n1 == MT7620A_CHIP_NAME1) { ++ if (n0 != MT7620_CHIP_NAME0 || n1 != MT7620_CHIP_NAME1) ++ panic("mt7620: unknown SoC, n0:%08x n1:%08x\n", n0, n1); ++ ++ if (bga) { + name = "MT7620A"; + soc_info->compatible = "ralink,mt7620a-soc"; + } else { +- panic("mt7620: unknown SoC, n0:%08x n1:%08x\n", n0, n1); ++ name = "MT7620N"; ++ soc_info->compatible = "ralink,mt7620n-soc"; ++#ifdef CONFIG_PCI ++ panic("mt7620n is only supported for non pci kernels"); ++#endif + } + +- rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); +- + snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN, + "Ralink %s ver:%u eco:%u", + name, |