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Commit 2adf550f authored by John Crispin's avatar John Crispin Committed by Ralf Baechle
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MIPS: ralink: add verbose pmu info



Print the PMU and LDO settings on boot.

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/7999/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 9bc7ebcb
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+26 −0
Original line number Diff line number Diff line
@@ -20,6 +20,22 @@

#include "common.h"

/* 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;

@@ -339,6 +355,8 @@ void prom_soc_init(struct ralink_soc_info *soc_info)
	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);
@@ -386,4 +404,12 @@ void prom_soc_init(struct ralink_soc_info *soc_info)
		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"));
}