blk: rq_data_dir() should not return a boolean
[cris-mirror.git] / arch / arm / mach-imx / mach-imx51.c
blobb015129e4045847a3e62b72fb001a71e8b80c55c
1 /*
2 * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
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/io.h>
14 #include <linux/irq.h>
15 #include <linux/of_irq.h>
16 #include <linux/of_platform.h>
17 #include <asm/mach/arch.h>
18 #include <asm/mach/time.h>
20 #include "common.h"
21 #include "hardware.h"
23 static void __init imx51_init_early(void)
25 mxc_set_cpu_type(MXC_CPU_MX51);
29 * The MIPI HSC unit has been removed from the i.MX51 Reference Manual by
30 * the Freescale marketing division. However this did not remove the
31 * hardware from the chip which still needs to be configured for proper
32 * IPU support.
34 #define MX51_MIPI_HSC_BASE 0x83fdc000
35 static void __init imx51_ipu_mipi_setup(void)
37 void __iomem *hsc_addr;
39 hsc_addr = ioremap(MX51_MIPI_HSC_BASE, SZ_16K);
40 WARN_ON(!hsc_addr);
42 /* setup MIPI module to legacy mode */
43 __raw_writel(0xf00, hsc_addr);
45 /* CSI mode: reserved; DI control mode: legacy (from Freescale BSP) */
46 __raw_writel(__raw_readl(hsc_addr + 0x800) | 0x30ff,
47 hsc_addr + 0x800);
49 iounmap(hsc_addr);
52 static void __init imx51_dt_init(void)
54 struct platform_device_info devinfo = { .name = "cpufreq-dt", };
56 imx51_ipu_mipi_setup();
57 imx_src_init();
59 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
60 platform_device_register_full(&devinfo);
63 static void __init imx51_init_late(void)
65 mx51_neon_fixup();
66 imx51_pm_init();
69 static const char * const imx51_dt_board_compat[] __initconst = {
70 "fsl,imx51",
71 NULL
74 DT_MACHINE_START(IMX51_DT, "Freescale i.MX51 (Device Tree Support)")
75 .init_early = imx51_init_early,
76 .init_irq = tzic_init_irq,
77 .init_machine = imx51_dt_init,
78 .init_late = imx51_init_late,
79 .dt_compat = imx51_dt_board_compat,
80 MACHINE_END