diff options
Diffstat (limited to 'target/linux/ramips/patches-3.18/0301-mt7688-detect.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.18/0301-mt7688-detect.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.18/0301-mt7688-detect.patch b/target/linux/ramips/patches-3.18/0301-mt7688-detect.patch new file mode 100644 index 0000000..1fddf11 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0301-mt7688-detect.patch @@ -0,0 +1,114 @@ +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -17,6 +17,7 @@ + + #define SYSC_REG_CHIP_NAME0 0x00 + #define SYSC_REG_CHIP_NAME1 0x04 ++#define SYSC_REG_EFUSE_CFG 0x08 + #define SYSC_REG_CHIP_REV 0x0c + #define SYSC_REG_SYSTEM_CONFIG0 0x10 + #define SYSC_REG_SYSTEM_CONFIG1 0x14 +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -43,6 +43,9 @@ + #define CLKCFG_FFRAC_MASK 0x001f + #define CLKCFG_FFRAC_USB_VAL 0x0003 + ++/* EFUSE bits */ ++#define EFUSE_MT7688 0x100000 ++ + /* does the board have sdram or ddram */ + static int dram_type; + +@@ -391,7 +394,7 @@ void __init ralink_clk_init(void) + #define RINT(x) ((x) / 1000000) + #define RFRAC(x) (((x) / 1000) % 1000) + +- if (ralink_soc == MT762X_SOC_MT7628AN) { ++ if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) { + if (xtal_rate == MHZ(40)) + cpu_rate = MHZ(580); + else +@@ -436,7 +439,8 @@ void __init ralink_clk_init(void) + ralink_clk_add("10000e00.uart2", periph_rate); + ralink_clk_add("10180000.wmac", xtal_rate); + +- if (IS_ENABLED(CONFIG_USB) && ralink_soc != MT762X_SOC_MT7628AN) { ++ if (IS_ENABLED(CONFIG_USB) && ++ (ralink_soc == MT762X_SOC_MT7620A || ralink_soc == MT762X_SOC_MT7620N)) { + /* + * When the CPU goes into sleep mode, the BUS clock will be too low for + * USB to function properly +@@ -533,8 +537,15 @@ void prom_soc_init(struct ralink_soc_inf + soc_info->compatible = "ralink,mt7620n-soc"; + } + } else if (n0 == MT7620_CHIP_NAME0 && n1 == MT7628_CHIP_NAME1) { +- ralink_soc = MT762X_SOC_MT7628AN; +- name = "MT7628AN"; ++ u32 efuse = __raw_readl(sysc + SYSC_REG_EFUSE_CFG); ++ ++ if (efuse & EFUSE_MT7688) { ++ ralink_soc = MT762X_SOC_MT7688; ++ name = "MT7688"; ++ } else { ++ ralink_soc = MT762X_SOC_MT7628AN; ++ name = "MT7628AN"; ++ } + soc_info->compatible = "ralink,mt7628an-soc"; + } else { + panic("mt762x: unknown SoC, n0:%08x n1:%08x\n", n0, n1); +@@ -548,13 +559,13 @@ void prom_soc_init(struct ralink_soc_inf + + cfg0 = __raw_readl(sysc + SYSC_REG_SYSTEM_CONFIG0); + +- if (ralink_soc == MT762X_SOC_MT7628AN) ++ if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) + dram_type = ((cfg0&0x00000001) == 0x00000001)?SYSCFG0_DRAM_TYPE_DDR1_MT7628:SYSCFG0_DRAM_TYPE_DDR2_MT7628; + else + dram_type = (cfg0 >> SYSCFG0_DRAM_TYPE_SHIFT) & SYSCFG0_DRAM_TYPE_MASK; + + soc_info->mem_base = MT7620_DRAM_BASE; +- if (ralink_soc == MT762X_SOC_MT7628AN) ++ if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) + mt7628_dram_init(soc_info); + else + mt7620_dram_init(soc_info); +@@ -567,7 +578,7 @@ void prom_soc_init(struct ralink_soc_inf + pr_info("Digital PMU set to %s control\n", + (pmu1 & DIG_SW_SEL) ? ("sw") : ("hw")); + +- if (ralink_soc == MT762X_SOC_MT7628AN) ++ if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) + rt2880_pinmux_data = mt7628an_pinmux_data; + else + rt2880_pinmux_data = mt7620a_pinmux_data; +--- a/arch/mips/include/asm/mach-ralink/ralink_regs.h ++++ b/arch/mips/include/asm/mach-ralink/ralink_regs.h +@@ -24,6 +24,7 @@ enum ralink_soc_type { + MT762X_SOC_MT7620N, + MT762X_SOC_MT7621AT, + MT762X_SOC_MT7628AN, ++ MT762X_SOC_MT7688, + }; + extern enum ralink_soc_type ralink_soc; + +--- a/drivers/net/ethernet/ralink/esw_rt3052.c ++++ b/drivers/net/ethernet/ralink/esw_rt3052.c +@@ -611,7 +611,7 @@ static void esw_hw_init(struct rt305x_es + rt305x_mii_write(esw, 0, 29, 0x598b); + /* select local register */ + rt305x_mii_write(esw, 0, 31, 0x8000); +- } else if (ralink_soc == MT762X_SOC_MT7628AN) { ++ } else if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) { + int i; + // u32 phy_val; + u32 val; +@@ -1042,7 +1042,7 @@ esw_get_port_tr_badgood(struct switch_de + int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16; + u32 reg; + +- if ((ralink_soc != RT305X_SOC_RT5350) && (ralink_soc != MT762X_SOC_MT7628AN)) ++ if ((ralink_soc != RT305X_SOC_RT5350) && (ralink_soc != MT762X_SOC_MT7628AN) && (ralink_soc != MT762X_SOC_MT7688)) + return -EINVAL; + + if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN) |