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authorTom Rini <trini@konsulko.com>2015-09-03 18:57:09 (GMT)
committerTom Rini <trini@konsulko.com>2015-09-03 18:57:09 (GMT)
commitc9feb427aba860ebc79f9851a1bb49cc456a2d48 (patch)
tree6a80def1806386e2854d57f740264c6744d96e1d /arch/arm/mach-rockchip/common.c
parentda9d8580ff9ce17452ef931072e5799a9df8807f (diff)
parentf2acc55e3d28e96a6fcc060a7081eb4e2ad96350 (diff)
downloadu-boot-fsl-qoriq-c9feb427aba860ebc79f9851a1bb49cc456a2d48.tar.xz
Merge git://git.denx.de/u-boot-rockchip
Diffstat (limited to 'arch/arm/mach-rockchip/common.c')
-rw-r--r--arch/arm/mach-rockchip/common.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/common.c b/arch/arm/mach-rockchip/common.c
new file mode 100644
index 0000000..fc7ac72
--- /dev/null
+++ b/arch/arm/mach-rockchip/common.c
@@ -0,0 +1,28 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <linux/err.h>
+
+void *rockchip_get_cru(void)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ int ret;
+
+ ret = uclass_get_device(UCLASS_CLK, 0, &dev);
+ if (ret)
+ return ERR_PTR(ret);
+
+ addr = dev_get_addr(dev);
+ if (addr == FDT_ADDR_T_NONE)
+ return ERR_PTR(-EINVAL);
+
+ return (void *)addr;
+}