ARM: tegra: collect SoC sources into mach-tegra

[karo-tx-uboot.git] / arch / arm / cpu / tegra-common / powergate.c

diff --git a/arch/arm/cpu/tegra-common/powergate.c b/arch/arm/cpu/tegra-common/powergate.c
deleted file mode 100644 (file)
index 439cff3..0000000
--- a/arch/arm/cpu/tegra-common/powergate.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright (c) 2014, NVIDIA CORPORATION.  All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0
- */
-
-#include <common.h>
-#include <errno.h>
-
-#include <asm/io.h>
-#include <asm/types.h>
-
-#include <asm/arch/powergate.h>
-#include <asm/arch/tegra.h>
-
-#define PWRGATE_TOGGLE 0x30
-#define  PWRGATE_TOGGLE_START (1 << 8)
-
-#define REMOVE_CLAMPING 0x34
-
-#define PWRGATE_STATUS 0x38
-
-static int tegra_powergate_set(enum tegra_powergate id, bool state)
-{
-       u32 value, mask = state ? (1 << id) : 0, old_mask;
-       unsigned long start, timeout = 25;
-
-       value = readl(NV_PA_PMC_BASE + PWRGATE_STATUS);
-       old_mask = value & (1 << id);
-
-       if (mask == old_mask)
-               return 0;
-
-       writel(PWRGATE_TOGGLE_START | id, NV_PA_PMC_BASE + PWRGATE_TOGGLE);
-
-       start = get_timer(0);
-
-       while (get_timer(start) < timeout) {
-               value = readl(NV_PA_PMC_BASE + PWRGATE_STATUS);
-               if ((value & (1 << id)) == mask)
-                       return 0;
-       }
-
-       return -ETIMEDOUT;
-}
-
-static int tegra_powergate_power_on(enum tegra_powergate id)
-{
-       return tegra_powergate_set(id, true);
-}
-
-int tegra_powergate_power_off(enum tegra_powergate id)
-{
-       return tegra_powergate_set(id, false);
-}
-
-static int tegra_powergate_remove_clamping(enum tegra_powergate id)
-{
-       unsigned long value;
-
-       /*
-        * The REMOVE_CLAMPING register has the bits for the PCIE and VDEC
-        * partitions reversed. This was originally introduced on Tegra20 but
-        * has since been carried forward for backwards-compatibility.
-        */
-       if (id == TEGRA_POWERGATE_VDEC)
-               value = 1 << TEGRA_POWERGATE_PCIE;
-       else if (id == TEGRA_POWERGATE_PCIE)
-               value = 1 << TEGRA_POWERGATE_VDEC;
-       else
-               value = 1 << id;
-
-       writel(value, NV_PA_PMC_BASE + REMOVE_CLAMPING);
-
-       return 0;
-}
-
-int tegra_powergate_sequence_power_up(enum tegra_powergate id,
-                                     enum periph_id periph)
-{
-       int err;
-
-       reset_set_enable(periph, 1);
-
-       err = tegra_powergate_power_on(id);
-       if (err < 0)
-               return err;
-
-       clock_enable(periph);
-
-       udelay(10);
-
-       err = tegra_powergate_remove_clamping(id);
-       if (err < 0)
-               return err;
-
-       udelay(10);
-
-       reset_set_enable(periph, 0);
-
-       return 0;
-}