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authorOlof Johansson <olof@lixom.net>2014-07-19 12:12:57 -0700
committerOlof Johansson <olof@lixom.net>2014-07-19 12:12:57 -0700
commit1409f3fd5bdb548b0e11a109baa1087680b60c5a (patch)
tree6f02880dba9f40de619e076a9370f31b181f662b /arch/arm/mach-imx/mach-imx51.c
parentf097748f39411a5c41b5c6de664995b37334bf55 (diff)
parent69603fbbc4798e8d02cb822edf5dce3f8a625427 (diff)
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Merge tag 'imx-dt-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt
Merge "ARM: imx: device tree updates for 3.17" from Shawn Guo: The i.MX device tree updates for 3.17: - Add device tree sources and pin function header for i.MX6SX SoC - Initial imx6sx-sdb board support with FEC, MMC, USB, PMIC, Audio and GPIO key enabled - New board support: mbimxsd25 and mbimxsd27 from Eukrea, aristainetos imx6dl boards, Rex Pro and Basic, Ka-Ro TX6 - Restructure imx6qdl-wandboard.dtsi for new rev C1 board - Split M28EVK and M53EVK into SoM and EVK parts - A few correction around SDMA, SSI and SATA device nodes - Add eSATA support for Cubox-i board - Updates on edmqmx6 to enable PCIe, I2C and CAN - Use DT macro for clock ID for imx27 and imx6qdl - Add FlexCAN support for VF610 SoC * tag 'imx-dt-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (125 commits) ARM: dts: vf610: add FlexCAN node ARM: dts: add initial Rex Basic board support ARM: dts: add initial Rex Pro board support ARM: dts: mx5: Split M53EVK into SoM and EVK parts ARM: dts: imx6: RIoTboard explicitly define pad settings ARM: dts: vf610: fix length of eshdc1 register property ARM: dts: Restructure imx6qdl-wandboard.dtsi for new rev C1 board. ARM: dts: imx53: correct clock-names of SATA node ARM: imx6: Align ssi nodes between mx6 variants ARM: i.MX27 clk: dts: Use clock defines in DTS files ARM: dts: imx: correct sdma compatbile for imx6sl and imx6sx ARM: dts: imx6sx-sdb: Add audio support ARM: dts: imx6sx: Pass the fsl,fifo-depth property ARM: dts: imx6sx: Fix sdma node ARM: dts: imx6: edmqmx6: Add can bus ARM: dts: imx6: edmqmx6: Add two other i2c buses ARM: dts: imx6: edmqmx6: Add PCIe support ARM: dts: imx25-pdk: Add USB OTG support ARM: dts: i.MX53: add aipstz nodes ARM: dts: mxs: Split M28EVK into SoM and EVK parts ... Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-imx/mach-imx51.c')
-rw-r--r--arch/arm/mach-imx/mach-imx51.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx51.c b/arch/arm/mach-imx/mach-imx51.c
new file mode 100644
index 000000000000..c77deb3f0893
--- /dev/null
+++ b/arch/arm/mach-imx/mach-imx51.c
@@ -0,0 +1,82 @@
+/*
+ * 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 */
+ __raw_writel(0xf00, hsc_addr);
+
+ /* CSI mode: reserved; DI control mode: legacy (from Freescale BSP) */
+ __raw_writel(__raw_readl(hsc_addr + 0x800) | 0x30ff,
+ hsc_addr + 0x800);
+
+ iounmap(hsc_addr);
+}
+
+static void __init imx51_dt_init(void)
+{
+ struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+
+ mxc_arch_reset_init_dt();
+ imx51_ipu_mipi_setup();
+ imx_src_init();
+
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ platform_device_register_full(&devinfo);
+}
+
+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_irq = tzic_init_irq,
+ .init_machine = imx51_dt_init,
+ .init_late = imx51_init_late,
+ .dt_compat = imx51_dt_board_compat,
+ .restart = mxc_restart,
+MACHINE_END
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