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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-29 07:34:06 +08:00
linux-next/arch/arm/mach-imx/mach-imx51.c
Linus Torvalds fbae5cbb43 ARM: SoC platform updates for v4.8
Improved and new platform support for various SoCs:
 
  - New SoC support:
    - Broadcom BCM23550
    - Freescale i.MX7Solo
    - Qualcomm MDM9615
    - Renesas r8a7792
  - Conversion of clps711x to multiplatform
  - debug uart improvements for Atmel platforms
  - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
  - OMAP tweaks and improvements to hwmod
  - OMAP support for kexec on SMP
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Improved and new platform support for various SoCs:

  New SoC support:
   - Broadcom BCM23550
   - Freescale i.MX7Solo
   - Qualcomm MDM9615
   - Renesas r8a7792

  Improvements:
   - convert clps711x to multiplatform
   - debug uart improvements for Atmel platforms
   - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
   - OMAP tweaks and improvements to hwmod
   - OMAP support for kexec on SMP"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
  ARM: davinci: fix build break because of undeclared dm365_evm_snd_data
  ARM: s3c64xx: smartq: Avoid sparse warnings
  ARM: sti: Implement dummy L2 cache's write_sec
  ARM: STi: Update machine _namestr to be more generic.
  arm: meson: explicitly select clk drivers
  ARM: tango: add Suspend-to-RAM support
  ARM: hisi: consolidate the hisilicon machine entries
  ARM: tango: fix CONFIG_HOTPLUG_CPU=n build
  MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry
  MAINTAINERS: Update BCM63XX entry
  MAINTAINERS: Add NS2 entry
  MAINTAINERS: Fix nsp false-positives
  MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries
  ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs
  ARM: clps711x: Switch to MULTIPLATFORM
  ARM: clps711x: Remove boards support
  ARM: clps711x: Add basic DT support
  ARM: clps711x: Reduce static map size
  ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu
  ARM: oxnas: Change OX810SE default driver config
  ...
2016-08-01 18:27:08 -04:00

76 lines
1.8 KiB
C

/*
* Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include "common.h"
#include "hardware.h"
static void __init imx51_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX51);
}
/*
* The MIPI HSC unit has been removed from the i.MX51 Reference Manual by
* the Freescale marketing division. However this did not remove the
* hardware from the chip which still needs to be configured for proper
* IPU support.
*/
#define MX51_MIPI_HSC_BASE 0x83fdc000
static void __init imx51_ipu_mipi_setup(void)
{
void __iomem *hsc_addr;
hsc_addr = ioremap(MX51_MIPI_HSC_BASE, SZ_16K);
WARN_ON(!hsc_addr);
/* setup MIPI module to legacy mode */
imx_writel(0xf00, hsc_addr);
/* CSI mode: reserved; DI control mode: legacy (from Freescale BSP) */
imx_writel(imx_readl(hsc_addr + 0x800) | 0x30ff, hsc_addr + 0x800);
iounmap(hsc_addr);
}
static void __init imx51_dt_init(void)
{
imx51_ipu_mipi_setup();
imx_src_init();
imx_aips_allow_unprivileged_access("fsl,imx51-aipstz");
}
static void __init imx51_init_late(void)
{
mx51_neon_fixup();
imx51_pm_init();
}
static const char * const imx51_dt_board_compat[] __initconst = {
"fsl,imx51",
NULL
};
DT_MACHINE_START(IMX51_DT, "Freescale i.MX51 (Device Tree Support)")
.init_early = imx51_init_early,
.init_machine = imx51_dt_init,
.init_late = imx51_init_late,
.dt_compat = imx51_dt_board_compat,
MACHINE_END