diff options
| author | Jun Nie <jun.nie@linaro.org> | 2019-05-08 14:38:30 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2019-06-11 10:42:48 +0200 |
| commit | bc7c9ed33c685a8285e4fcf2a9f24499f14026a9 (patch) | |
| tree | 273bcc5b1c15eb550e3e3319d181c13d831b23b1 /arch | |
| parent | 3ad0d26878430f235d1c189e179e6891f5513639 (diff) | |
imx: mx7: Skip secure init in arch_cpu_init
Skip secure related initialization in arch_cpu_init if low level
init is skipped. Because these should be done in early stage
firmware, such as ARM trusted firmware.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/mx7/soc.c | 43 |
1 files changed, 28 insertions, 15 deletions
diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c index 7cfdff0981..ccfab826e3 100644 --- a/arch/arm/mach-imx/mx7/soc.c +++ b/arch/arm/mach-imx/mx7/soc.c @@ -164,15 +164,6 @@ u32 __weak get_board_rev(void) } #endif -#ifndef CONFIG_SKIP_LOWLEVEL_INIT -/* enable all periherial can be accessed in nosec mode */ -static void init_csu(void) -{ - int i = 0; - for (i = 0; i < CSU_NUM_REGS; i++) - writel(CSU_INIT_SEC_LEVEL0, CSU_IPS_BASE_ADDR + i * 4); -} - static void imx_enet_mdio_fixup(void) { struct iomuxc_gpr_base_regs *gpr_regs = @@ -191,6 +182,26 @@ static void imx_enet_mdio_fixup(void) } } +static void init_cpu_basic(void) +{ + imx_enet_mdio_fixup(); + +#ifdef CONFIG_APBH_DMA + /* Start APBH DMA */ + mxs_dma_init(); +#endif +} + +#ifndef CONFIG_SKIP_LOWLEVEL_INIT +/* enable all periherial can be accessed in nosec mode */ +static void init_csu(void) +{ + int i = 0; + + for (i = 0; i < CSU_NUM_REGS; i++) + writel(CSU_INIT_SEC_LEVEL0, CSU_IPS_BASE_ADDR + i * 4); +} + static void imx_gpcv2_init(void) { u32 val, i; @@ -269,12 +280,7 @@ int arch_cpu_init(void) /* Disable PDE bit of WMCR register */ imx_wdog_disable_powerdown(); - imx_enet_mdio_fixup(); - -#ifdef CONFIG_APBH_DMA - /* Start APBH DMA */ - mxs_dma_init(); -#endif + init_cpu_basic(); #if CONFIG_IS_ENABLED(IMX_RDC) isolate_resource(); @@ -286,6 +292,13 @@ int arch_cpu_init(void) return 0; } +#else +int arch_cpu_init(void) +{ + init_cpu_basic(); + + return 0; +} #endif #ifdef CONFIG_ARCH_MISC_INIT |