43 lines
798 B
C
43 lines
798 B
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <arch/io.h>
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#include <cf9_reset.h>
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#include <reset.h>
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#include <soc/southbridge.h>
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#include <amdblocks/acpimmio.h>
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#include <amdblocks/reset.h>
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void set_warm_reset_flag(void)
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{
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uint8_t ncp = inw(NCP_ERR);
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outb(NCP_ERR, ncp | NCP_WARM_BOOT);
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}
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int is_warm_reset(void)
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{
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return !!(inb(NCP_ERR) & NCP_WARM_BOOT);
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}
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void do_cold_reset(void)
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{
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/* De-assert and then assert all PwrGood signals on CF9 reset. */
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pm_write16(PWR_RESET_CFG, pm_read16(PWR_RESET_CFG) |
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TOGGLE_ALL_PWR_GOOD);
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outb(RST_CPU | SYS_RST, RST_CNT);
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}
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void do_warm_reset(void)
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{
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set_warm_reset_flag();
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/* Assert reset signals only. */
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outb(RST_CPU | SYS_RST, RST_CNT);
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}
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void do_board_reset(void)
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{
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/* TODO: Would a warm_reset() suffice? */
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do_cold_reset();
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}
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