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-rw-r--r--target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-verbose-pmu-info.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-verbose-pmu-info.patch b/target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-verbose-pmu-info.patch
new file mode 100644
index 0000000000..5a7d5f9997
--- /dev/null
+++ b/target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-verbose-pmu-info.patch
@@ -0,0 +1,59 @@
+From 5689333e7e4396a827a2cb6fa1242159e9af56de Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 20 May 2013 20:57:09 +0200
+Subject: [PATCH 101/133] MIPS: ralink: add verbose pmu info
+
+Print the PMU and LDO settings on boot.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/ralink/mt7620.c | 26 ++++++++++++++++++++++++++
+ 1 file changed, 26 insertions(+)
+
+--- a/arch/mips/ralink/mt7620.c
++++ b/arch/mips/ralink/mt7620.c
+@@ -26,6 +26,22 @@
+ #define CLKCFG_FFRAC_MASK 0x001f
+ #define CLKCFG_FFRAC_USB_VAL 0x0003
+
++/* analog */
++#define PMU0_CFG 0x88
++#define PMU_SW_SET BIT(28)
++#define A_DCDC_EN BIT(24)
++#define A_SSC_PERI BIT(19)
++#define A_SSC_GEN BIT(18)
++#define A_SSC_M 0x3
++#define A_SSC_S 16
++#define A_DLY_M 0x7
++#define A_DLY_S 8
++#define A_VTUNE_M 0xff
++
++/* digital */
++#define PMU1_CFG 0x8C
++#define DIG_SW_SEL BIT(25)
++
+ /* does the board have sdram or ddram */
+ static int dram_type;
+
+@@ -208,6 +224,8 @@ void prom_soc_init(struct ralink_soc_inf
+ u32 n1;
+ u32 rev;
+ u32 cfg0;
++ u32 pmu0;
++ u32 pmu1;
+
+ n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0);
+ n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1);
+@@ -255,4 +273,12 @@ void prom_soc_init(struct ralink_soc_inf
+ BUG();
+ }
+ soc_info->mem_base = MT7620_DRAM_BASE;
++
++ pmu0 = __raw_readl(sysc + PMU0_CFG);
++ pmu1 = __raw_readl(sysc + PMU1_CFG);
++
++ pr_info("Analog PMU set to %s control\n",
++ (pmu0 & PMU_SW_SET) ? ("sw") : ("hw"));
++ pr_info("Digital PMU set to %s control\n",
++ (pmu1 & DIG_SW_SEL) ? ("sw") : ("hw"));
+ }