diff options
Diffstat (limited to 'arch/arm/mach-vt8500/restart.c')
| -rw-r--r-- | arch/arm/mach-vt8500/restart.c | 54 |
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 497e89a..0000000 --- a/arch/arm/mach-vt8500/restart.c +++ /dev/null @@ -1,54 +0,0 @@ -/* linux/arch/arm/mach-vt8500/restart.c - * - * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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 <asm/io.h> -#include <linux/of.h> -#include <linux/of_address.h> - -#define LEGACY_PMC_BASE 0xD8130000 -#define WMT_PRIZM_PMSR_REG 0x60 - -static void __iomem *pmc_base; - -void wmt_setup_restart(void) -{ - struct device_node *np; - - /* - * Check if Power Mgmt Controller node is present in device tree. If no - * device tree node, use the legacy PMSR value (valid for all current - * SoCs). - */ - np = of_find_compatible_node(NULL, NULL, "wmt,prizm-pmc"); - if (np) { - pmc_base = of_iomap(np, 0); - - if (!pmc_base) - pr_err("%s:of_iomap(pmc) failed\n", __func__); - - of_node_put(np); - } else { - pmc_base = ioremap(LEGACY_PMC_BASE, 0x1000); - if (!pmc_base) { - pr_err("%s:ioremap(rstc) failed\n", __func__); - return; - } - } -} - -void wmt_restart(char mode, const char *cmd) -{ - if (pmc_base) - writel(1, pmc_base + WMT_PRIZM_PMSR_REG); -} |