USB: convert drivers/media/* to use module_usb_driver()
[zen-stable.git] / arch / arm / mach-imx / src.c
blob36cacbd0dcc2fa8c5d98bd5cb1e141a9d30e3503
1 /*
2 * Copyright 2011 Freescale Semiconductor, Inc.
3 * Copyright 2011 Linaro Ltd.
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
13 #include <linux/init.h>
14 #include <linux/io.h>
15 #include <linux/of.h>
16 #include <linux/of_address.h>
17 #include <asm/unified.h>
19 #define SRC_SCR 0x000
20 #define SRC_GPR1 0x020
21 #define BP_SRC_SCR_CORE1_RST 14
22 #define BP_SRC_SCR_CORE1_ENABLE 22
24 static void __iomem *src_base;
26 void imx_enable_cpu(int cpu, bool enable)
28 u32 mask, val;
30 mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1);
31 val = readl_relaxed(src_base + SRC_SCR);
32 val = enable ? val | mask : val & ~mask;
33 writel_relaxed(val, src_base + SRC_SCR);
36 void imx_set_cpu_jump(int cpu, void *jump_addr)
38 writel_relaxed(BSYM(virt_to_phys(jump_addr)),
39 src_base + SRC_GPR1 + cpu * 8);
42 void __init imx_src_init(void)
44 struct device_node *np;
46 np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-src");
47 src_base = of_iomap(np, 0);
48 WARN_ON(!src_base);