| /* |
| * 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 |