diff options
Diffstat (limited to 'arch/arm/mach-imx/cpu_init.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu_init.c | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/arch/arm/mach-imx/cpu_init.c b/arch/arm/mach-imx/cpu_init.c index ea36215419..c5a47d9b91 100644 --- a/arch/arm/mach-imx/cpu_init.c +++ b/arch/arm/mach-imx/cpu_init.c @@ -6,10 +6,12 @@ #include <asm/errata.h> #include <linux/types.h> #include <linux/bitops.h> -#include <mach/generic.h> -#include <mach/imx7-regs.h> -#include <mach/imx8mq-regs.h> -#include <mach/imx8m-ccm-regs.h> +#include <mach/imx/generic.h> +#include <mach/imx/imx7-regs.h> +#include <mach/imx/imx8mq-regs.h> +#include <mach/imx/imx8m-ccm-regs.h> +#include <mach/imx/imx9-regs.h> +#include <mach/imx/trdc.h> #include <io.h> #include <asm/syscounter.h> #include <asm/system.h> @@ -49,6 +51,7 @@ void imx6ul_cpu_lowlevel_init(void) void imx7_cpu_lowlevel_init(void) { + cortex_a7_lowlevel_init(); arm_cpu_lowlevel_init(); imx_cpu_timer_init(IOMEM(MX7_SYSCNT_CTRL_BASE_ADDR)); } @@ -84,4 +87,44 @@ void imx8mq_cpu_lowlevel_init(void) { imx8m_cpu_lowlevel_init(); } + +#define CCM_AUTHEN_TZ_NS BIT(9) + +#define OSCPLLa_AUTHEN(n) (0x5030 + (n) * 0x40) /* 0..18 */ +#define CLOCK_ROOT_AUTHEN(n) (0x30 + (n) * 0x80) /* 0..94 */ +#define LPCGa_AUTHEN(n) (0x8030 + (n) * 0x40) /* 0..126 */ +#define GPR_SHARED0_AUTHEN(n) (0x4810 + (n) * 0x10) /* 0..3 */ +#define SET 4 + +#define SRC_SP_ISO_CTRL 0x10c + +void imx93_cpu_lowlevel_init(void) +{ + void __iomem *ccm = IOMEM(MX9_CCM_BASE_ADDR); + void __iomem *src = IOMEM(MX9_SRC_BASE_ADDR); + int i; + + arm_cpu_lowlevel_init(); + + if (current_el() != 3) + return; + + imx9_trdc_init(); + + imx_cpu_timer_init(IOMEM(MX9_SYSCNT_CTRL_BASE_ADDR)); + + for (i = 0; i <= 18; i++) + writel(CCM_AUTHEN_TZ_NS, ccm + OSCPLLa_AUTHEN(i) + SET); + for (i = 0; i <= 94; i++) + writel(CCM_AUTHEN_TZ_NS, ccm + CLOCK_ROOT_AUTHEN(i) + SET); + for (i = 0; i <= 126 ; i++) + writel(CCM_AUTHEN_TZ_NS, ccm + LPCGa_AUTHEN(i) + SET); + for (i = 0; i <= 3 ; i++) + writel(CCM_AUTHEN_TZ_NS, ccm + GPR_SHARED0_AUTHEN(i) + SET); + + /* clear isolation for usbphy, dsi, csi*/ + writel(0x0, src + SRC_SP_ISO_CTRL); + +} + #endif |