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ARM: imx: Add bmode support for iMX7

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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>
This commit is contained in:
Marek Vasut
2020-08-05 15:34:04 +02:00
committed by Stefano Babic
parent 789bfb5266
commit c72372d38c
4 changed files with 23 additions and 5 deletions
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12
arch/arm/mach-imx/init.c
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@@ -103,14 +103,20 @@ void init_src(void)
#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