ARM: imx: Add bmode support for iMX7
Add the basic differentiation between i.MX6 and i.MX7 into the bmode
command, the mechanism really works almost the same on both platforms.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP i.MX U-Boot Team <uboot-imx@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h b/arch/arm/include/asm/mach-imx/sys_proto.h
index ab94024..2d18b1f 100644
--- a/arch/arm/include/asm/mach-imx/sys_proto.h
+++ b/arch/arm/include/asm/mach-imx/sys_proto.h
@@ -78,7 +78,7 @@
#define is_imx8qxp() (is_cpu_type(MXC_CPU_IMX8QXP))
#ifdef CONFIG_MX6
-#define IMX6_SRC_GPR10_BMODE BIT(28)
+#define IMX6_SRC_GPR10_BMODE BIT(28)
#define IMX6_BMODE_MASK GENMASK(7, 0)
#define IMX6_BMODE_SHIFT 4
@@ -126,6 +126,10 @@
#endif /* CONFIG_MX6 */
+#ifdef CONFIG_MX7
+#define IMX7_SRC_GPR10_BMODE BIT(28)
+#endif
+
/* address translation table */
struct rproc_att {
u32 da; /* device address (From Cortex M4 view) */
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 1531d09..8f64e23 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -62,7 +62,7 @@
config CMD_BMODE
bool "Support the 'bmode' command"
default y
- depends on ARCH_MX6 || ARCH_MX5
+ depends on ARCH_MX7 || ARCH_MX6 || ARCH_MX5
help
This enables the 'bmode' (bootmode) command for forcing
a boot from specific media.
diff --git a/arch/arm/mach-imx/init.c b/arch/arm/mach-imx/init.c
index 693b724..e30d63b 100644
--- a/arch/arm/mach-imx/init.c
+++ b/arch/arm/mach-imx/init.c
@@ -103,14 +103,20 @@
#ifdef CONFIG_CMD_BMODE
void boot_mode_apply(unsigned cfg_val)
{
- unsigned reg;
+#ifdef CONFIG_MX6
+ const u32 bmode = IMX6_SRC_GPR10_BMODE;
+#elif CONFIG_MX7
+ const u32 bmode = IMX7_SRC_GPR10_BMODE;
+#endif
struct src *psrc = (struct src *)SRC_BASE_ADDR;
+ unsigned reg;
+
writel(cfg_val, &psrc->gpr9);
reg = readl(&psrc->gpr10);
if (cfg_val)
- reg |= IMX6_SRC_GPR10_BMODE;
+ reg |= bmode;
else
- reg &= ~IMX6_SRC_GPR10_BMODE;
+ reg &= ~bmode;
writel(reg, &psrc->gpr10);
}
#endif
diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c
index 9cb61f5..979ba3e 100644
--- a/arch/arm/mach-imx/mx7/soc.c
+++ b/arch/arm/mach-imx/mx7/soc.c
@@ -13,6 +13,7 @@
#include <asm/mach-imx/hab.h>
#include <asm/mach-imx/rdc-sema.h>
#include <asm/arch/imx-rdc.h>
+#include <asm/mach-imx/boot_mode.h>
#include <asm/arch/crm_regs.h>
#include <dm.h>
#include <env.h>
@@ -410,6 +411,13 @@
return;
}
+#ifndef CONFIG_SPL_BUILD
+const struct boot_mode soc_boot_modes[] = {
+ {"normal", MAKE_CFGVAL(0x00, 0x00, 0x00, 0x00)},
+ {NULL, 0},
+};
+#endif
+
void reset_misc(void)
{
#ifndef CONFIG_SPL_BUILD