Commit 1ba830c9 authored by Jungseok Lee's avatar Jungseok Lee Committed by Kukjin Kim

ARM: EXYNOS: fix software reset logic for EXYNOS5440 SOC

This patch fixes software reset logic. Software reset applies only to
powered-on domains in SOC because software reset to all domains causes
reboot failure.
Signed-off-by: default avatarJungseok Lee <jays.lee@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 68a433f1
...@@ -326,9 +326,16 @@ void exynos5_restart(char mode, const char *cmd) ...@@ -326,9 +326,16 @@ void exynos5_restart(char mode, const char *cmd)
val = 0x1; val = 0x1;
addr = EXYNOS_SWRESET; addr = EXYNOS_SWRESET;
} else if (of_machine_is_compatible("samsung,exynos5440")) { } else if (of_machine_is_compatible("samsung,exynos5440")) {
u32 status;
np = of_find_compatible_node(NULL, NULL, "samsung,exynos5440-clock"); np = of_find_compatible_node(NULL, NULL, "samsung,exynos5440-clock");
addr = of_iomap(np, 0) + 0xbc;
status = __raw_readl(addr);
addr = of_iomap(np, 0) + 0xcc; addr = of_iomap(np, 0) + 0xcc;
val = (0xfff << 20) | (0x1 << 16); val = __raw_readl(addr);
val = (val & 0xffff0000) | (status & 0xffff);
} else { } else {
pr_err("%s: cannot support non-DT\n", __func__); pr_err("%s: cannot support non-DT\n", __func__);
return; return;
......
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