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path: root/drivers/sysreset/sysreset_rk3188.c
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Diffstat (limited to 'drivers/sysreset/sysreset_rk3188.c')
-rw-r--r--drivers/sysreset/sysreset_rk3188.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_rk3188.c b/drivers/sysreset/sysreset_rk3188.c
index 36ae47600a5..053a6344f53 100644
--- a/drivers/sysreset/sysreset_rk3188.c
+++ b/drivers/sysreset/sysreset_rk3188.c
@@ -7,21 +7,36 @@
#include <common.h>
#include <dm.h>
#include <errno.h>
+#include <syscon.h>
#include <sysreset.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/cru_rk3188.h>
+#include <asm/arch/grf_rk3188.h>
#include <asm/arch/hardware.h>
#include <linux/err.h>
int rk3188_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
struct rk3188_cru *cru = rockchip_get_cru();
+ struct rk3188_grf *grf;
if (IS_ERR(cru))
return PTR_ERR(cru);
switch (type) {
case SYSRESET_WARM:
+ grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ if (IS_ERR(grf))
+ return -EPROTONOSUPPORT;
+
+ /*
+ * warm-reset keeps the remap value,
+ * so make sure it's disabled.
+ */
+ rk_clrsetreg(&grf->soc_con0,
+ NOC_REMAP_MASK << NOC_REMAP_SHIFT,
+ 0 << NOC_REMAP_SHIFT);
+
rk_clrreg(&cru->cru_mode_con, 0xffff);
writel(0xeca8, &cru->cru_glb_srst_snd_value);
break;