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From: Roland Hieber <r.hieber@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Roland Hieber <r.hieber@pengutronix.de>
Subject: [PATCH 11/13] ARM: MXS: mxs_power_status: use less magic values
Date: Wed, 25 Jul 2018 15:36:16 +0200	[thread overview]
Message-ID: <20180725133618.1510-12-r.hieber@pengutronix.de> (raw)
In-Reply-To: <20180725133618.1510-1-r.hieber@pengutronix.de>

... and in that process fix the erroneous usage of VDDA values when
printing the stats for POWER_VDDDCTRL_DISABLE_FET and all of the
*LINREG_OFFSET bitfields.

Signed-off-by: Roland Hieber <r.hieber@pengutronix.de>
---
 arch/arm/mach-mxs/power-init.c | 37 ++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/arch/arm/mach-mxs/power-init.c b/arch/arm/mach-mxs/power-init.c
index 060bd9115b..3ec17dad19 100644
--- a/arch/arm/mach-mxs/power-init.c
+++ b/arch/arm/mach-mxs/power-init.c
@@ -37,27 +37,30 @@ static void mxs_power_status(void)
 	uint32_t vddd = readl(&power_regs->hw_power_vdddctrl);
 	uint32_t vddmem = readl(&power_regs->hw_power_vddmemctrl);
 
+#define __REG_BITS(value, fieldname)  (((value) & fieldname##_MASK) >> fieldname##_OFFSET)
+
 	printf("vddio:  %dmV (BO -%dmV), Linreg enabled, Linreg offset: %d, FET %sabled\n",
-			(vddio & 0x1f) * 50 + 2800,
-			((vddio >> 8) & 0x7) * 50,
-			linregofs[((vdda >> 12) & 0x3)],
-			(vddio & (1 << 16)) ? "dis" : "en");
+			__REG_BITS(vddio, POWER_VDDIOCTRL_TRG) * 50 + 2800,
+			__REG_BITS(vddio, POWER_VDDIOCTRL_BO_OFFSET) * 50,
+			linregofs[__REG_BITS(vddio, POWER_VDDIOCTRL_LINREG_OFFSET)],
+			(vddio & POWER_VDDIOCTRL_DISABLE_FET) ? "dis" : "en");
 	printf("vdda:   %dmV (BO -%dmV), Linreg %sabled, Linreg offset: %d, FET %sabled\n",
-			(vdda & 0x1f) * 25 + 1500,
-			((vdda >> 8) & 0x7) * 25,
-			(vdda & (1 << 17)) ? "en" : "dis",
-			linregofs[((vdda >> 12) & 0x3)],
-			(vdda & (1 << 16)) ? "dis" : "en");
+			__REG_BITS(vdda, POWER_VDDACTRL_TRG) * 25 + 1500,
+			__REG_BITS(vdda, POWER_VDDACTRL_BO_OFFSET) * 25,
+			(vdda & POWER_VDDACTRL_ENABLE_LINREG) ? "en" : "dis",
+			linregofs[__REG_BITS(vdda, POWER_VDDACTRL_LINREG_OFFSET)],
+			(vdda & POWER_VDDACTRL_DISABLE_FET) ? "dis" : "en");
 	printf("vddd:   %dmV (BO -%dmV), Linreg %sabled, Linreg offset: %d, FET %sabled\n",
-			(vddd & 0x1f) * 25 + 800,
-			((vddd >> 8) & 0x7) * 25,
-			(vddd & (1 << 21)) ? "en" : "dis",
-			linregofs[((vdda >> 16) & 0x3)],
-			(vdda & (1 << 20)) ? "dis" : "en");
+			__REG_BITS(vddd, POWER_VDDDCTRL_TRG) * 25 + 800,
+			__REG_BITS(vddd, POWER_VDDDCTRL_BO_OFFSET) * 25,
+			(vddd & POWER_VDDDCTRL_ENABLE_LINREG) ? "en" : "dis",
+			linregofs[__REG_BITS(vddd, POWER_VDDDCTRL_LINREG_OFFSET)],
+			(vddd & POWER_VDDDCTRL_DISABLE_FET) ? "dis" : "en");
 	printf("vddmem: %dmV (BO -%dmV), Linreg %sabled\n",
-			(vddmem & 0x1f) * 25 + 1100,
-			((vddmem >> 5) & 0x7) * 25,
-			(vddmem & (1 << 8)) ? "en" : "dis");
+			__REG_BITS(vddmem, POWER_VDDMEMCTRL_TRG) * 25 + 1100,
+			/* Note: this area is reserved on i.MX23, yielding 0: */
+			__REG_BITS(vddmem, MX28_POWER_VDDMEMCTRL_BO_OFFSET) * 25,
+			(vddmem & POWER_VDDMEMCTRL_ENABLE_LINREG) ? "en" : "dis");
 }
 
 /*
-- 
2.18.0


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  parent reply	other threads:[~2018-07-25 13:36 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-25 13:36 [PATCH 00/13] MXS/MX28 low-level improvements Roland Hieber
2018-07-25 13:36 ` [PATCH 01/13] scripts: mxsimage: Allow unencrypted images Roland Hieber
2018-07-25 13:36 ` [PATCH 02/13] images: MXS: allow generation of unencrypted bootstreams Roland Hieber
2018-07-25 13:36 ` [PATCH 03/13] ARM: MXS: i.MX28: allow setup of low-voltage SDRAM Roland Hieber
2018-07-25 13:36 ` [PATCH 04/13] ARM: MXS: allow configuration of EMI clock dividers Roland Hieber
2018-08-08  6:41   ` Sascha Hauer
2018-07-25 13:36 ` [PATCH 05/13] ARM: MXS: i.MX28: add autodetection of memory banks Roland Hieber
2018-07-27  8:28   ` Roland Hieber
2018-07-31 10:07   ` Roland Hieber
2018-08-08  6:40     ` Sascha Hauer
2018-07-25 13:36 ` [PATCH 06/13] ARM: MXS: refactor mx2*_power_init source configuration Roland Hieber
2018-07-25 13:36 ` [PATCH 07/13] ARM: MXS: allow starting from battery input without 4P2 source enabled Roland Hieber
2018-07-25 13:36 ` [PATCH 08/13] ARM: MXS: make power levels configurable in mx2*_power_init Roland Hieber
2018-07-25 13:36 ` [PATCH 09/13] ARM: MXS: fix VDDx brownout setup logic Roland Hieber
2018-07-25 13:36 ` [PATCH 10/13] ARM: MXS: make VDDx brownout setup more understandable Roland Hieber
2018-07-25 13:36 ` Roland Hieber [this message]
2018-07-25 13:36 ` [PATCH 12/13] ARM: MXS: mxs_power_status: align output Roland Hieber
2018-07-25 13:36 ` [PATCH 13/13] Documentation: MXS: general update and improvements Roland Hieber

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