arm: imx: add initial imx8mp support

This adds base support for the i.MX8MP SoC. Not much to do here as this
SoC is quite similar to the i.MX8M. This adds:

- Kconfig symbols
- bootsource detection
- register base address defines
- iomux defines

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/imx8m.c b/arch/arm/mach-imx/imx8m.c
index d2ed7d52a9..b9e01a1d18 100644
--- a/arch/arm/mach-imx/imx8m.c
+++ b/arch/arm/mach-imx/imx8m.c
@@ -22,6 +22,7 @@
 #include <mach/imx8m-ccm-regs.h>
 #include <mach/reset-reason.h>
 #include <mach/ocotp.h>
+#include <mach/imx8mp-regs.h>
 #include <mach/imx8mq-regs.h>
 #include <mach/imx8m-ccm-regs.h>
 #include <soc/imx8m/clk-early.h>
@@ -105,6 +106,29 @@ int imx8mm_init(void)
 	return imx8m_init(cputypestr);
 }
 
+int imx8mp_init(void)
+{
+	void __iomem *anatop = IOMEM(MX8MP_ANATOP_BASE_ADDR);
+	uint32_t type = FIELD_GET(DIGPROG_MAJOR,
+				  readl(anatop + MX8MP_ANATOP_DIGPROG));
+	const char *cputypestr;
+
+	imx8mp_boot_save_loc();
+
+	switch (type) {
+	case IMX8M_CPUTYPE_IMX8MP:
+		cputypestr = "i.MX8MP";
+		break;
+	default:
+		cputypestr = "unknown i.MX8M";
+		break;
+	};
+
+	imx_set_silicon_revision(cputypestr, imx8mp_cpu_revision());
+
+	return imx8m_init(cputypestr);
+}
+
 int imx8mq_init(void)
 {
 	void __iomem *anatop = IOMEM(MX8M_ANATOP_BASE_ADDR);