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-rw-r--r--arch/arm/mach-picoxcell/common.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/arch/arm/mach-picoxcell/common.c b/arch/arm/mach-picoxcell/common.c
deleted file mode 100644
index 8e738266a66a..000000000000
--- a/arch/arm/mach-picoxcell/common.c
+++ /dev/null
@@ -1,81 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2011 Picochip Ltd., Jamie Iles
- *
- * All enquiries to support@picochip.com
- */
-#include <linux/delay.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/reboot.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#define PHYS_TO_IO(x) (((x) & 0x00ffffff) | 0xfe000000)
-#define PICOXCELL_PERIPH_BASE 0x80000000
-#define PICOXCELL_PERIPH_LENGTH SZ_4M
-
-#define WDT_CTRL_REG_EN_MASK (1 << 0)
-#define WDT_CTRL_REG_OFFS (0x00)
-#define WDT_TIMEOUT_REG_OFFS (0x04)
-static void __iomem *wdt_regs;
-
-/*
- * The machine restart method can be called from an atomic context so we won't
- * be able to ioremap the regs then.
- */
-static void picoxcell_setup_restart(void)
-{
- struct device_node *np = of_find_compatible_node(NULL, NULL,
- "snps,dw-apb-wdg");
- if (WARN(!np, "unable to setup watchdog restart"))
- return;
-
- wdt_regs = of_iomap(np, 0);
- WARN(!wdt_regs, "failed to remap watchdog regs");
-}
-
-static struct map_desc io_map __initdata = {
- .virtual = PHYS_TO_IO(PICOXCELL_PERIPH_BASE),
- .pfn = __phys_to_pfn(PICOXCELL_PERIPH_BASE),
- .length = PICOXCELL_PERIPH_LENGTH,
- .type = MT_DEVICE,
-};
-
-static void __init picoxcell_map_io(void)
-{
- iotable_init(&io_map, 1);
-}
-
-static void __init picoxcell_init_machine(void)
-{
- picoxcell_setup_restart();
-}
-
-static const char *picoxcell_dt_match[] = {
- "picochip,pc3x2",
- "picochip,pc3x3",
- NULL
-};
-
-static void picoxcell_wdt_restart(enum reboot_mode mode, const char *cmd)
-{
- /*
- * Configure the watchdog to reset with the shortest possible timeout
- * and give it chance to do the reset.
- */
- if (wdt_regs) {
- writel_relaxed(WDT_CTRL_REG_EN_MASK, wdt_regs + WDT_CTRL_REG_OFFS);
- writel_relaxed(0, wdt_regs + WDT_TIMEOUT_REG_OFFS);
- /* No sleeping, possibly atomic. */
- mdelay(500);
- }
-}
-
-DT_MACHINE_START(PICOXCELL, "Picochip picoXcell")
- .map_io = picoxcell_map_io,
- .init_machine = picoxcell_init_machine,
- .dt_compat = picoxcell_dt_match,
- .restart = picoxcell_wdt_restart,
-MACHINE_END