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-rw-r--r--arch/arm/mach-vt8500/restart.c54
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/arm/mach-vt8500/restart.c b/arch/arm/mach-vt8500/restart.c
deleted file mode 100644
index 497e89a5e13..00000000000
--- a/arch/arm/mach-vt8500/restart.c
+++ /dev/null
@@ -1,54 +0,0 @@
1/* linux/arch/arm/mach-vt8500/restart.c
2 *
3 * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15#include <asm/io.h>
16#include <linux/of.h>
17#include <linux/of_address.h>
18
19#define LEGACY_PMC_BASE 0xD8130000
20#define WMT_PRIZM_PMSR_REG 0x60
21
22static void __iomem *pmc_base;
23
24void wmt_setup_restart(void)
25{
26 struct device_node *np;
27
28 /*
29 * Check if Power Mgmt Controller node is present in device tree. If no
30 * device tree node, use the legacy PMSR value (valid for all current
31 * SoCs).
32 */
33 np = of_find_compatible_node(NULL, NULL, "wmt,prizm-pmc");
34 if (np) {
35 pmc_base = of_iomap(np, 0);
36
37 if (!pmc_base)
38 pr_err("%s:of_iomap(pmc) failed\n", __func__);
39
40 of_node_put(np);
41 } else {
42 pmc_base = ioremap(LEGACY_PMC_BASE, 0x1000);
43 if (!pmc_base) {
44 pr_err("%s:ioremap(rstc) failed\n", __func__);
45 return;
46 }
47 }
48}
49
50void wmt_restart(char mode, const char *cmd)
51{
52 if (pmc_base)
53 writel(1, pmc_base + WMT_PRIZM_PMSR_REG);
54}