diff options
Diffstat (limited to 'target/linux/ramips/patches-3.18/0007-MIPS-ralink-add-support-for-MT7620n.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.18/0007-MIPS-ralink-add-support-for-MT7620n.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.18/0007-MIPS-ralink-add-support-for-MT7620n.patch b/target/linux/ramips/patches-3.18/0007-MIPS-ralink-add-support-for-MT7620n.patch new file mode 100644 index 0000000..1d50710 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0007-MIPS-ralink-add-support-for-MT7620n.patch @@ -0,0 +1,66 @@ +From efc0f99cebcab21dbabcc634b9dbb963bbbbcab8 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:23:36 +0100 +Subject: [PATCH 07/57] MIPS: ralink: add support for MT7620n + +This is the small version of MT7620a. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/include/asm/mach-ralink/mt7620.h | 7 ++----- + arch/mips/ralink/mt7620.c | 19 ++++++++++++------- + 2 files changed, 14 insertions(+), 12 deletions(-) + +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -25,11 +25,8 @@ + #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 SYSCFG0_XTAL_FREQ_SEL BIT(6) + +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -357,22 +357,27 @@ void prom_soc_init(struct ralink_soc_inf + 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", 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, |