ARM: imx5: move init hooks into mach-imx5x.c

These imx5 init_early[late] hooks are called only from mach-imx5x.c.
Let's move them into mach-imx5x.c.

While at it, replace the static mapping in imx51_ipu_mipi_setup() with
dynamic mapping.  Also this function and imx_src_init() do not
necessarily to be called at .init_early hook, so move them into
.init_machine.

The mxc_iomux_v3_init() is dropped from imx51_init_early() in the
moving, since it's only needed by non-DT boot.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mach-imx51.c b/arch/arm/mach-imx/mach-imx51.c
index a849d432719a..a2027d298a3f 100644
--- a/arch/arm/mach-imx/mach-imx51.c
+++ b/arch/arm/mach-imx/mach-imx51.c
@@ -10,6 +10,7 @@
  * 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>
@@ -17,18 +18,56 @@
 #include <asm/mach/time.h>
 
 #include "common.h"
+#include "hardware.h"
 #include "mx51.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 *imx51_dt_board_compat[] __initconst = {
 	"fsl,imx51",
 	NULL