[PATCH v2 11/13] stm32mp: fdt: remove ETZPC peripheral cleanup
Patrice CHOTARD
patrice.chotard at foss.st.com
Mon Apr 28 15:21:52 CEST 2025
On 4/22/25 15:12, Patrice Chotard wrote:
> From: Lionel Debieve <lionel.debieve at foss.st.com>
>
> Due to feature domains management, there is no more
> need to maintain the fdt cleanup.
>
> Signed-off-by: Lionel Debieve <lionel.debieve at foss.st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> ---
>
> (no changes since v1)
>
> arch/arm/mach-stm32mp/Kconfig | 8 -
> arch/arm/mach-stm32mp/stm32mp1/fdt.c | 258 ---------------------------
> 2 files changed, 266 deletions(-)
>
> diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
> index 7ba928cf428..ad925201fca 100644
> --- a/arch/arm/mach-stm32mp/Kconfig
> +++ b/arch/arm/mach-stm32mp/Kconfig
> @@ -129,14 +129,6 @@ config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_MMC2
> Partition on the second MMC to load U-Boot from when the MMC is being
> used in raw mode
>
> -config STM32_ETZPC
> - bool "STM32 Extended TrustZone Protection"
> - depends on STM32MP15X || STM32MP13X
> - default y
> - imply BOOTP_SERVERIP
> - help
> - Say y to enable STM32 Extended TrustZone Protection
> -
> config STM32_ECDSA_VERIFY
> bool "STM32 ECDSA verification via the ROM API"
> depends on SPL_ECDSA_VERIFY
> diff --git a/arch/arm/mach-stm32mp/stm32mp1/fdt.c b/arch/arm/mach-stm32mp/stm32mp1/fdt.c
> index e1e4dc04e01..72474fa73f6 100644
> --- a/arch/arm/mach-stm32mp/stm32mp1/fdt.c
> +++ b/arch/arm/mach-stm32mp/stm32mp1/fdt.c
> @@ -14,20 +14,6 @@
> #include <dt-bindings/pinctrl/stm32-pinfunc.h>
> #include <linux/io.h>
>
> -#define ETZPC_DECPROT(n) (STM32_ETZPC_BASE + 0x10 + 4 * (n))
> -#define ETZPC_DECPROT_NB 6
> -
> -#define DECPROT_MASK 0x03
> -#define NB_PROT_PER_REG 0x10
> -#define DECPROT_NB_BITS 2
> -
> -#define DECPROT_SECURED 0x00
> -#define DECPROT_WRITE_SECURE 0x01
> -#define DECPROT_MCU_ISOLATION 0x02
> -#define DECPROT_NON_SECURED 0x03
> -
> -#define ETZPC_RESERVED 0xffffffff
> -
> #define STM32MP13_FDCAN_BASE 0x4400F000
> #define STM32MP13_ADC1_BASE 0x48003000
> #define STM32MP13_TSC_BASE 0x5000B000
> @@ -42,204 +28,6 @@
> #define STM32MP15_GPU_BASE 0x59000000
> #define STM32MP15_DSI_BASE 0x5a000000
>
> -static const u32 stm32mp13_ip_addr[] = {
> - 0x50025000, /* 0 VREFBUF APB3 */
> - 0x50021000, /* 1 LPTIM2 APB3 */
> - 0x50022000, /* 2 LPTIM3 APB3 */
> - STM32MP13_LTDC_BASE, /* 3 LTDC APB4 */
> - STM32MP13_DCMIPP_BASE, /* 4 DCMIPP APB4 */
> - 0x5A006000, /* 5 USBPHYCTRL APB4 */
> - 0x5A003000, /* 6 DDRCTRLPHY APB4 */
> - ETZPC_RESERVED, /* 7 Reserved*/
> - ETZPC_RESERVED, /* 8 Reserved*/
> - ETZPC_RESERVED, /* 9 Reserved*/
> - 0x5C006000, /* 10 TZC APB5 */
> - 0x58001000, /* 11 MCE APB5 */
> - 0x5C000000, /* 12 IWDG1 APB5 */
> - 0x5C008000, /* 13 STGENC APB5 */
> - ETZPC_RESERVED, /* 14 Reserved*/
> - ETZPC_RESERVED, /* 15 Reserved*/
> - 0x4C000000, /* 16 USART1 APB6 */
> - 0x4C001000, /* 17 USART2 APB6 */
> - 0x4C002000, /* 18 SPI4 APB6 */
> - 0x4C003000, /* 19 SPI5 APB6 */
> - 0x4C004000, /* 20 I2C3 APB6 */
> - 0x4C005000, /* 21 I2C4 APB6 */
> - 0x4C006000, /* 22 I2C5 APB6 */
> - 0x4C007000, /* 23 TIM12 APB6 */
> - 0x4C008000, /* 24 TIM13 APB6 */
> - 0x4C009000, /* 25 TIM14 APB6 */
> - 0x4C00A000, /* 26 TIM15 APB6 */
> - 0x4C00B000, /* 27 TIM16 APB6 */
> - 0x4C00C000, /* 28 TIM17 APB6 */
> - ETZPC_RESERVED, /* 29 Reserved*/
> - ETZPC_RESERVED, /* 30 Reserved*/
> - ETZPC_RESERVED, /* 31 Reserved*/
> - STM32MP13_ADC1_BASE, /* 32 ADC1 AHB2 */
> - 0x48004000, /* 33 ADC2 AHB2 */
> - 0x49000000, /* 34 OTG AHB2 */
> - ETZPC_RESERVED, /* 35 Reserved*/
> - ETZPC_RESERVED, /* 36 Reserved*/
> - STM32MP13_TSC_BASE, /* 37 TSC AHB4 */
> - ETZPC_RESERVED, /* 38 Reserved*/
> - ETZPC_RESERVED, /* 39 Reserved*/
> - 0x54004000, /* 40 RNG AHB5 */
> - 0x54003000, /* 41 HASH AHB5 */
> - STM32MP13_CRYP_BASE, /* 42 CRYPT AHB5 */
> - 0x54005000, /* 43 SAES AHB5 */
> - 0x54006000, /* 44 PKA AHB5 */
> - 0x54000000, /* 45 BKPSRAM AHB5 */
> - ETZPC_RESERVED, /* 46 Reserved*/
> - ETZPC_RESERVED, /* 47 Reserved*/
> - 0x5800A000, /* 48 ETH1 AHB6 */
> - STM32MP13_ETH2_BASE, /* 49 ETH2 AHB6 */
> - 0x58005000, /* 50 SDMMC1 AHB6 */
> - 0x58007000, /* 51 SDMMC2 AHB6 */
> - ETZPC_RESERVED, /* 52 Reserved*/
> - ETZPC_RESERVED, /* 53 Reserved*/
> - 0x58002000, /* 54 FMC AHB6 */
> - 0x58003000, /* 55 QSPI AHB6 */
> - ETZPC_RESERVED, /* 56 Reserved*/
> - ETZPC_RESERVED, /* 57 Reserved*/
> - ETZPC_RESERVED, /* 58 Reserved*/
> - ETZPC_RESERVED, /* 59 Reserved*/
> - 0x30000000, /* 60 SRAM1 MLAHB */
> - 0x30004000, /* 61 SRAM2 MLAHB */
> - 0x30006000, /* 62 SRAM3 MLAHB */
> - ETZPC_RESERVED, /* 63 Reserved*/
> - ETZPC_RESERVED, /* 64 Reserved*/
> - ETZPC_RESERVED, /* 65 Reserved*/
> - ETZPC_RESERVED, /* 66 Reserved*/
> - ETZPC_RESERVED, /* 67 Reserved*/
> - ETZPC_RESERVED, /* 68 Reserved*/
> - ETZPC_RESERVED, /* 69 Reserved*/
> - ETZPC_RESERVED, /* 70 Reserved*/
> - ETZPC_RESERVED, /* 71 Reserved*/
> - ETZPC_RESERVED, /* 72 Reserved*/
> - ETZPC_RESERVED, /* 73 Reserved*/
> - ETZPC_RESERVED, /* 74 Reserved*/
> - ETZPC_RESERVED, /* 75 Reserved*/
> - ETZPC_RESERVED, /* 76 Reserved*/
> - ETZPC_RESERVED, /* 77 Reserved*/
> - ETZPC_RESERVED, /* 78 Reserved*/
> - ETZPC_RESERVED, /* 79 Reserved*/
> - ETZPC_RESERVED, /* 80 Reserved*/
> - ETZPC_RESERVED, /* 81 Reserved*/
> - ETZPC_RESERVED, /* 82 Reserved*/
> - ETZPC_RESERVED, /* 83 Reserved*/
> - ETZPC_RESERVED, /* 84 Reserved*/
> - ETZPC_RESERVED, /* 85 Reserved*/
> - ETZPC_RESERVED, /* 86 Reserved*/
> - ETZPC_RESERVED, /* 87 Reserved*/
> - ETZPC_RESERVED, /* 88 Reserved*/
> - ETZPC_RESERVED, /* 89 Reserved*/
> - ETZPC_RESERVED, /* 90 Reserved*/
> - ETZPC_RESERVED, /* 91 Reserved*/
> - ETZPC_RESERVED, /* 92 Reserved*/
> - ETZPC_RESERVED, /* 93 Reserved*/
> - ETZPC_RESERVED, /* 94 Reserved*/
> - ETZPC_RESERVED, /* 95 Reserved*/
> -};
> -
> -static const u32 stm32mp15_ip_addr[] = {
> - 0x5c008000, /* 00 stgenc */
> - 0x54000000, /* 01 bkpsram */
> - 0x5c003000, /* 02 iwdg1 */
> - 0x5c000000, /* 03 usart1 */
> - 0x5c001000, /* 04 spi6 */
> - 0x5c002000, /* 05 i2c4 */
> - ETZPC_RESERVED, /* 06 reserved */
> - 0x54003000, /* 07 rng1 */
> - 0x54002000, /* 08 hash1 */
> - STM32MP15_CRYP1_BASE, /* 09 cryp1 */
> - 0x5a003000, /* 0A ddrctrl */
> - 0x5a004000, /* 0B ddrphyc */
> - 0x5c009000, /* 0C i2c6 */
> - ETZPC_RESERVED, /* 0D reserved */
> - ETZPC_RESERVED, /* 0E reserved */
> - ETZPC_RESERVED, /* 0F reserved */
> - 0x40000000, /* 10 tim2 */
> - 0x40001000, /* 11 tim3 */
> - 0x40002000, /* 12 tim4 */
> - 0x40003000, /* 13 tim5 */
> - 0x40004000, /* 14 tim6 */
> - 0x40005000, /* 15 tim7 */
> - 0x40006000, /* 16 tim12 */
> - 0x40007000, /* 17 tim13 */
> - 0x40008000, /* 18 tim14 */
> - 0x40009000, /* 19 lptim1 */
> - 0x4000a000, /* 1A wwdg1 */
> - 0x4000b000, /* 1B spi2 */
> - 0x4000c000, /* 1C spi3 */
> - 0x4000d000, /* 1D spdifrx */
> - 0x4000e000, /* 1E usart2 */
> - 0x4000f000, /* 1F usart3 */
> - 0x40010000, /* 20 uart4 */
> - 0x40011000, /* 21 uart5 */
> - 0x40012000, /* 22 i2c1 */
> - 0x40013000, /* 23 i2c2 */
> - 0x40014000, /* 24 i2c3 */
> - 0x40015000, /* 25 i2c5 */
> - 0x40016000, /* 26 cec */
> - 0x40017000, /* 27 dac */
> - 0x40018000, /* 28 uart7 */
> - 0x40019000, /* 29 uart8 */
> - ETZPC_RESERVED, /* 2A reserved */
> - ETZPC_RESERVED, /* 2B reserved */
> - 0x4001c000, /* 2C mdios */
> - ETZPC_RESERVED, /* 2D reserved */
> - ETZPC_RESERVED, /* 2E reserved */
> - ETZPC_RESERVED, /* 2F reserved */
> - 0x44000000, /* 30 tim1 */
> - 0x44001000, /* 31 tim8 */
> - ETZPC_RESERVED, /* 32 reserved */
> - 0x44003000, /* 33 usart6 */
> - 0x44004000, /* 34 spi1 */
> - 0x44005000, /* 35 spi4 */
> - 0x44006000, /* 36 tim15 */
> - 0x44007000, /* 37 tim16 */
> - 0x44008000, /* 38 tim17 */
> - 0x44009000, /* 39 spi5 */
> - 0x4400a000, /* 3A sai1 */
> - 0x4400b000, /* 3B sai2 */
> - 0x4400c000, /* 3C sai3 */
> - 0x4400d000, /* 3D dfsdm */
> - STM32MP15_FDCAN_BASE, /* 3E tt_fdcan */
> - ETZPC_RESERVED, /* 3F reserved */
> - 0x50021000, /* 40 lptim2 */
> - 0x50022000, /* 41 lptim3 */
> - 0x50023000, /* 42 lptim4 */
> - 0x50024000, /* 43 lptim5 */
> - 0x50027000, /* 44 sai4 */
> - 0x50025000, /* 45 vrefbuf */
> - 0x4c006000, /* 46 dcmi */
> - 0x4c004000, /* 47 crc2 */
> - 0x48003000, /* 48 adc */
> - 0x4c002000, /* 49 hash2 */
> - 0x4c003000, /* 4A rng2 */
> - STM32MP15_CRYP2_BASE, /* 4B cryp2 */
> - ETZPC_RESERVED, /* 4C reserved */
> - ETZPC_RESERVED, /* 4D reserved */
> - ETZPC_RESERVED, /* 4E reserved */
> - ETZPC_RESERVED, /* 4F reserved */
> - ETZPC_RESERVED, /* 50 sram1 */
> - ETZPC_RESERVED, /* 51 sram2 */
> - ETZPC_RESERVED, /* 52 sram3 */
> - ETZPC_RESERVED, /* 53 sram4 */
> - ETZPC_RESERVED, /* 54 retram */
> - 0x49000000, /* 55 otg */
> - 0x48004000, /* 56 sdmmc3 */
> - 0x48005000, /* 57 dlybsd3 */
> - 0x48000000, /* 58 dma1 */
> - 0x48001000, /* 59 dma2 */
> - 0x48002000, /* 5A dmamux */
> - 0x58002000, /* 5B fmc */
> - 0x58003000, /* 5C qspi */
> - 0x58004000, /* 5D dlybq */
> - 0x5800a000, /* 5E eth */
> - ETZPC_RESERVED, /* 5F reserved */
> -};
> -
> /* fdt helper */
> static bool fdt_disable_subnode_by_address(void *fdt, int offset, u32 addr)
> {
> @@ -263,46 +51,6 @@ static bool fdt_disable_subnode_by_address(void *fdt, int offset, u32 addr)
> return false;
> }
>
> -static int stm32_fdt_fixup_etzpc(void *fdt, int soc_node)
> -{
> - const u32 *array;
> - int array_size, i;
> - int offset, shift;
> - u32 addr, status, decprot[ETZPC_DECPROT_NB];
> -
> - if (IS_ENABLED(CONFIG_STM32MP13X)) {
> - array = stm32mp13_ip_addr;
> - array_size = ARRAY_SIZE(stm32mp13_ip_addr);
> - }
> -
> - if (IS_ENABLED(CONFIG_STM32MP15X)) {
> - array = stm32mp15_ip_addr;
> - array_size = ARRAY_SIZE(stm32mp15_ip_addr);
> - }
> -
> - for (i = 0; i < ETZPC_DECPROT_NB; i++)
> - decprot[i] = readl(ETZPC_DECPROT(i));
> -
> - for (i = 0; i < array_size; i++) {
> - offset = i / NB_PROT_PER_REG;
> - shift = (i % NB_PROT_PER_REG) * DECPROT_NB_BITS;
> - status = (decprot[offset] >> shift) & DECPROT_MASK;
> - addr = array[i];
> -
> - log_debug("ETZPC: 0x%08x decprot %d=%d\n", addr, i, status);
> -
> - if (addr == ETZPC_RESERVED ||
> - status == DECPROT_NON_SECURED)
> - continue;
> -
> - if (fdt_disable_subnode_by_address(fdt, soc_node, addr))
> - log_notice("ETZPC: 0x%08x node disabled, decprot %d=%d\n",
> - addr, i, status);
> - }
> -
> - return 0;
> -}
> -
> /* deactivate all the cpu except core 0 */
> static void stm32_fdt_fixup_cpu(void *blob, char *name)
> {
> @@ -481,12 +229,6 @@ int ft_system_setup(void *blob, struct bd_info *bd)
> if (soc < 0)
> return soc;
>
> - if (CONFIG_IS_ENABLED(STM32_ETZPC)) {
> - ret = stm32_fdt_fixup_etzpc(blob, soc);
> - if (ret)
> - return ret;
> - }
> -
> /* MPUs Part Numbers and name*/
> cpu = get_cpu_type();
> get_soc_name(name);
Applied to u-boot-stm32/master
Thanks
Patrice
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