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authorMax Filippov <jcmvbkbc@gmail.com>2016-08-07 08:53:00 +0300
committerTom Rini <trini@konsulko.com>2016-08-12 09:22:17 -0400
commitb25732c22beccb5a2ce3ec4174ea084ba0e176ab (patch)
tree914152963986e5b9295b89ac63cef90cf0ec6255 /drivers/sysreset/sysreset_rk3288.c
parentda91cfed54ec44d88f93af2adfbdeada8ab4403e (diff)
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drivers/sysreset: group sysreset drivers
Create drivers/sysreset and move sysreset-uclass and all sysreset drivers there. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/sysreset/sysreset_rk3288.c')
-rw-r--r--drivers/sysreset/sysreset_rk3288.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_rk3288.c b/drivers/sysreset/sysreset_rk3288.c
new file mode 100644
index 0000000..0aad1c2
--- /dev/null
+++ b/drivers/sysreset/sysreset_rk3288.c
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <sysreset.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3288.h>
+#include <asm/arch/hardware.h>
+#include <linux/err.h>
+
+int rk3288_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+ struct rk3288_cru *cru = rockchip_get_cru();
+
+ if (IS_ERR(cru))
+ return PTR_ERR(cru);
+ switch (type) {
+ case SYSRESET_WARM:
+ rk_clrreg(&cru->cru_mode_con, 0xffff);
+ writel(0xeca8, &cru->cru_glb_srst_snd_value);
+ break;
+ case SYSRESET_COLD:
+ rk_clrreg(&cru->cru_mode_con, 0xffff);
+ writel(0xfdb9, &cru->cru_glb_srst_fst_value);
+ break;
+ default:
+ return -EPROTONOSUPPORT;
+ }
+
+ return -EINPROGRESS;
+}
+
+static struct sysreset_ops rk3288_sysreset = {
+ .request = rk3288_sysreset_request,
+};
+
+U_BOOT_DRIVER(sysreset_rk3288) = {
+ .name = "rk3288_sysreset",
+ .id = UCLASS_SYSRESET,
+ .ops = &rk3288_sysreset,
+};