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7d7aa2fd92
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
From 5ee0de9d7abd644d4cb678fe26ac5130a1a8075f Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Fri, 2 Aug 2019 15:20:11 +0100
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Subject: [PATCH] mmc: sdhci-iproc: Fix vmmc regulators on iProc
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The Linux support for controlling card power via regulators appears to
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be contentious. I would argue that the default behaviour is contrary to
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the SDHCI spec - turning off the power writes a reserved value to the
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SD Bus Voltage Select field of the Power Control Register, which
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seems to kill the Arasan/iProc controller - but fortunately there is a
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hook in sdhci_ops to override the behaviour. Borrow the implementation
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from sdhci_arasan_set_power.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/mmc/host/sdhci-iproc.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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--- a/drivers/mmc/host/sdhci-iproc.c
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+++ b/drivers/mmc/host/sdhci-iproc.c
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@@ -162,6 +162,17 @@ static void sdhci_iproc_writeb(struct sd
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sdhci_iproc_writel(host, newval, reg & ~3);
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}
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+static void sdhci_iproc_set_power(struct sdhci_host *host, unsigned char mode,
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+ unsigned short vdd)
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+{
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+ if (!IS_ERR(host->mmc->supply.vmmc)) {
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+ struct mmc_host *mmc = host->mmc;
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+
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+ mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
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+ }
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+ sdhci_set_power_noreg(host, mode, vdd);
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+}
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+
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static const struct sdhci_ops sdhci_iproc_ops = {
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.set_clock = sdhci_set_clock,
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.get_max_clock = sdhci_pltfm_clk_get_max_clock,
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@@ -178,6 +189,7 @@ static const struct sdhci_ops sdhci_ipro
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.write_w = sdhci_iproc_writew,
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.write_b = sdhci_iproc_writeb,
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.set_clock = sdhci_set_clock,
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+ .set_power = sdhci_iproc_set_power,
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.get_max_clock = sdhci_pltfm_clk_get_max_clock,
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.set_bus_width = sdhci_set_bus_width,
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.reset = sdhci_reset,
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