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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2019 Frank Wunderlich <frank-w@public-files.de>
- */
- #include <common.h>
- #include <command.h>
- #include <asm/io.h>
- #include <linux/delay.h>
- #define PWRAP_BASE 0x1000d000
- #define PWRAP_WACS2_CMD 0x9c
- #define PWRAP_CALC(adr, wdata) ((1 << 31) | (((adr) >> 1) << 16) | (wdata))
- #define MT6323_PWRC_BASE 0x8000
- #define RTC_BBPU 0x0000
- #define RTC_BBPU_KEY (0x43 << 8)
- #define RTC_WRTGR 0x003c
- int do_poweroff(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
- {
- u32 addr, val;
- addr = PWRAP_BASE + PWRAP_WACS2_CMD;
- val = PWRAP_CALC(MT6323_PWRC_BASE + RTC_BBPU, RTC_BBPU_KEY);
- writel(val, addr);
- mdelay(10);
- val = PWRAP_CALC(MT6323_PWRC_BASE + RTC_WRTGR, 1);
- writel(val, addr);
- // wait some time and then print error
- mdelay(10000);
- printf("Failed to power off!!!\n");
- return 1;
- }
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