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-rw-r--r--arch/arm/mach-kirkwood/pm.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/arm/mach-kirkwood/pm.c b/arch/arm/mach-kirkwood/pm.c
deleted file mode 100644
index 8e5e0329d04c..000000000000
--- a/arch/arm/mach-kirkwood/pm.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Power Management driver for Marvell Kirkwood SoCs
- *
- * Copyright (C) 2013 Ezequiel Garcia <ezequiel@free-electrons.com>
- * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License,
- * version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/suspend.h>
-#include <linux/io.h>
-#include <mach/bridge-regs.h>
-#include "common.h"
-
-static void __iomem *ddr_operation_base;
-static void __iomem *memory_pm_ctrl;
-
-static void kirkwood_low_power(void)
-{
- u32 mem_pm_ctrl;
-
- mem_pm_ctrl = readl(memory_pm_ctrl);
-
- /* Set peripherals to low-power mode */
- writel_relaxed(~0, memory_pm_ctrl);
-
- /* Set DDR in self-refresh */
- writel_relaxed(0x7, ddr_operation_base);
-
- /*
- * Set CPU in wait-for-interrupt state.
- * This disables the CPU core clocks,
- * the array clocks, and also the L2 controller.
- */
- cpu_do_idle();
-
- writel_relaxed(mem_pm_ctrl, memory_pm_ctrl);
-}
-
-static int kirkwood_suspend_enter(suspend_state_t state)
-{
- switch (state) {
- case PM_SUSPEND_STANDBY:
- kirkwood_low_power();
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int kirkwood_pm_valid_standby(suspend_state_t state)
-{
- return state == PM_SUSPEND_STANDBY;
-}
-
-static const struct platform_suspend_ops kirkwood_suspend_ops = {
- .enter = kirkwood_suspend_enter,
- .valid = kirkwood_pm_valid_standby,
-};
-
-void __init kirkwood_pm_init(void)
-{
- ddr_operation_base = ioremap(DDR_OPERATION_BASE, 4);
- memory_pm_ctrl = ioremap(MEMORY_PM_CTRL_PHYS, 4);
-
- suspend_set_ops(&kirkwood_suspend_ops);
-}