[PATCH] stm32mp1: add 800 MHz profile support

Patrice CHOTARD patrice.chotard at st.com
Wed Mar 18 11:00:32 CET 2020


On 2/26/20 11:26 AM, Patrick Delaunay wrote:
> The STM32MP1 series is available in 3 different lines which are pin-to-pin
> compatible:
> - STM32MP157: Dual Cortex-A7 cores, Cortex-M4 core @ 209 MHz,
>               3D GPU, DSI display interface and CAN FD
> - STM32MP153: Dual Cortex-A7 cores, Cortex-M4 core @ 209 MHz
>               and CAN FD
> - STM32MP151: Single Cortex-A7 core, Cortex-M4 core @ 209 MHz
>
> Each line comes with a security option (cryptography & secure boot)
> & a Cortex-A frequency option :
>
> - A : Cortex-A7 @ 650 MHz
> - C : Secure Boot + HW Crypto + Cortex-A7 @ 650 MHz
> - D : Cortex-A7 @ 800 MHz
> - F : Secure Boot + HW Crypto + Cortex-A7 @ 800 MHz
>
> This patch adds the support of STM32MP15xD and STM32MP15xF in U-Boot.
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> ---
>
>  arch/arm/mach-stm32mp/cpu.c                    | 18 ++++++++++++++++++
>  arch/arm/mach-stm32mp/fdt.c                    |  7 +++++++
>  arch/arm/mach-stm32mp/include/mach/sys_proto.h |  8 +++++++-
>  doc/board/st/stm32mp1.rst                      |  8 ++++++++
>  4 files changed, 40 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c
> index 9c5e0448ce..9aa5794334 100644
> --- a/arch/arm/mach-stm32mp/cpu.c
> +++ b/arch/arm/mach-stm32mp/cpu.c
> @@ -285,18 +285,36 @@ void get_soc_name(char name[SOC_NAME_SIZE])
>  
>  	/* MPUs Part Numbers */
>  	switch (get_cpu_type()) {
> +	case CPU_STM32MP157Fxx:
> +		cpu_s = "157F";
> +		break;
> +	case CPU_STM32MP157Dxx:
> +		cpu_s = "157D";
> +		break;
>  	case CPU_STM32MP157Cxx:
>  		cpu_s = "157C";
>  		break;
>  	case CPU_STM32MP157Axx:
>  		cpu_s = "157A";
>  		break;
> +	case CPU_STM32MP153Fxx:
> +		cpu_s = "153F";
> +		break;
> +	case CPU_STM32MP153Dxx:
> +		cpu_s = "153D";
> +		break;
>  	case CPU_STM32MP153Cxx:
>  		cpu_s = "153C";
>  		break;
>  	case CPU_STM32MP153Axx:
>  		cpu_s = "153A";
>  		break;
> +	case CPU_STM32MP151Fxx:
> +		cpu_s = "151F";
> +		break;
> +	case CPU_STM32MP151Dxx:
> +		cpu_s = "151D";
> +		break;
>  	case CPU_STM32MP151Cxx:
>  		cpu_s = "151C";
>  		break;
> diff --git a/arch/arm/mach-stm32mp/fdt.c b/arch/arm/mach-stm32mp/fdt.c
> index a3db86dc46..3ee7d6a833 100644
> --- a/arch/arm/mach-stm32mp/fdt.c
> +++ b/arch/arm/mach-stm32mp/fdt.c
> @@ -244,6 +244,8 @@ int ft_system_setup(void *blob, bd_t *bd)
>  	get_soc_name(name);
>  
>  	switch (cpu) {
> +	case CPU_STM32MP151Fxx:
> +	case CPU_STM32MP151Dxx:
>  	case CPU_STM32MP151Cxx:
>  	case CPU_STM32MP151Axx:
>  		stm32_fdt_fixup_cpu(blob, name);
> @@ -251,6 +253,8 @@ int ft_system_setup(void *blob, bd_t *bd)
>  		soc = fdt_path_offset(blob, "/soc");
>  		stm32_fdt_disable(blob, soc, STM32_FDCAN_BASE, "can", name);
>  		/* fall through */
> +	case CPU_STM32MP153Fxx:
> +	case CPU_STM32MP153Dxx:
>  	case CPU_STM32MP153Cxx:
>  	case CPU_STM32MP153Axx:
>  		stm32_fdt_disable(blob, soc, STM32_GPU_BASE, "gpu", name);
> @@ -261,8 +265,11 @@ int ft_system_setup(void *blob, bd_t *bd)
>  	}
>  
>  	switch (cpu) {
> +	case CPU_STM32MP157Dxx:
>  	case CPU_STM32MP157Axx:
> +	case CPU_STM32MP153Dxx:
>  	case CPU_STM32MP153Axx:
> +	case CPU_STM32MP151Dxx:
>  	case CPU_STM32MP151Axx:
>  		stm32_fdt_disable(blob, soc, STM32_CRYP1_BASE, "cryp", name);
>  		stm32_fdt_disable(blob, soc, STM32_CRYP2_BASE, "cryp", name);
> diff --git a/arch/arm/mach-stm32mp/include/mach/sys_proto.h b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
> index 065b7b2856..1617126bea 100644
> --- a/arch/arm/mach-stm32mp/include/mach/sys_proto.h
> +++ b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
> @@ -3,13 +3,19 @@
>   * Copyright (C) 2015-2017, STMicroelectronics - All Rights Reserved
>   */
>  
> -/* ID = Device Version (bit31:16) + Device Part Number (RPN) (bit15:0)*/
> +/* ID = Device Version (bit31:16) + Device Part Number (RPN) (bit7:0) */
>  #define CPU_STM32MP157Cxx	0x05000000
>  #define CPU_STM32MP157Axx	0x05000001
>  #define CPU_STM32MP153Cxx	0x05000024
>  #define CPU_STM32MP153Axx	0x05000025
>  #define CPU_STM32MP151Cxx	0x0500002E
>  #define CPU_STM32MP151Axx	0x0500002F
> +#define CPU_STM32MP157Fxx	0x05000080
> +#define CPU_STM32MP157Dxx	0x05000081
> +#define CPU_STM32MP153Fxx	0x050000A4
> +#define CPU_STM32MP153Dxx	0x050000A5
> +#define CPU_STM32MP151Fxx	0x050000AE
> +#define CPU_STM32MP151Dxx	0x050000AF
>  
>  /* return CPU_STMP32MP...Xxx constants */
>  u32 get_cpu_type(void);
> diff --git a/doc/board/st/stm32mp1.rst b/doc/board/st/stm32mp1.rst
> index ee42af6579..b7a0fbfd03 100644
> --- a/doc/board/st/stm32mp1.rst
> +++ b/doc/board/st/stm32mp1.rst
> @@ -25,6 +25,14 @@ It features:
>   - Standard connectivity, widely inherited from the STM32 MCU family
>   - Comprehensive security support
>  
> +Each line comes with a security option (cryptography & secure boot) and
> +a Cortex-A frequency option:
> +
> + - A : Cortex-A7 @ 650 MHz
> + - C : Secure Boot + HW Crypto + Cortex-A7 @ 650 MHz
> + - D : Cortex-A7 @ 800 MHz
> + - F : Secure Boot + HW Crypto + Cortex-A7 @ 800 MHz
> +
>  Everything is supported in Linux but U-Boot is limited to:
>  
>   1. UART

Acked-by: Patrice Chotard <patrice.chotard at st.com>

Thanks

Patrice


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