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ramips: add proper mt7688 detection

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Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 46957
This commit is contained in:
John Crispin 2015-09-16 08:31:00 +00:00
parent 85d5b9984d
commit 86a1e46b63
2 changed files with 116 additions and 2 deletions
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4
target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips
View File

@ -6,12 +6,12 @@
. /lib/ramips.sh . /lib/ramips.sh
ramips_set_preinit_iface() { ramips_set_preinit_iface() {
RT3X5X=`cat /proc/cpuinfo | egrep "(RT3.5|RT5350|MT7628)"` RT3X5X=`cat /proc/cpuinfo | egrep "(RT3.5|RT5350|MT7628|MT7688)"`
if [ -n "${RT3X5X}" ]; then if [ -n "${RT3X5X}" ]; then
swconfig dev rt305x set reset 1 swconfig dev rt305x set reset 1
fi fi
if echo $RT3X5X | egrep -q "(RT5350|MT7628)"; then if echo $RT3X5X | egrep -q "(RT5350|MT7628|MT7688)"; then
# This is a dirty hack to get by while the switch # This is a dirty hack to get by while the switch
# problem is investigated. When VLAN is disabled, ICMP # problem is investigated. When VLAN is disabled, ICMP
# pings work as expected, but TCP connections time # pings work as expected, but TCP connections time

114
target/linux/ramips/patches-3.18/0301-mt7688-detect.patch Normal file
View File

@ -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 @@
#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 @@
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
@@ -536,8 +540,15 @@
#endif
}
} 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);
@@ -551,13 +562,13 @@
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);
@@ -570,7 +581,7 @@
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 @@
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 @@
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 @@
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)