diff options
Diffstat (limited to 'arch/arm/mach-stm32/soc.c')
| -rw-r--r-- | arch/arm/mach-stm32/soc.c | 36 |
1 files changed, 11 insertions, 25 deletions
diff --git a/arch/arm/mach-stm32/soc.c b/arch/arm/mach-stm32/soc.c index df20d547c5..f6fd0b2e23 100644 --- a/arch/arm/mach-stm32/soc.c +++ b/arch/arm/mach-stm32/soc.c @@ -15,35 +15,21 @@ int arch_cpu_init(void) struct mpu_region_config stm32_region_config[] = { /* - * Make all 4GB cacheable & executable. We are overriding it - * with next region for any requirement. e.g. below region1, - * 2 etc. - * In other words, the area not coming in following - * regions configuration is the one configured here in region_0 - * (cacheable & executable). + * Make SDRAM area cacheable & executable. */ +#if defined(CONFIG_STM32F4) { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW, - O_I_WB_RD_WR_ALLOC, REGION_4GB }, - - /* armv7m code area */ - { 0x00000000, REGION_1, XN_DIS, PRIV_RW_USR_RW, - STRONG_ORDER, REGION_512MB }, - - /* Device area : Not executable */ - { 0x40000000, REGION_2, XN_EN, PRIV_RW_USR_RW, - DEVICE_NON_SHARED, REGION_512MB }, + O_I_WB_RD_WR_ALLOC, REGION_16MB }, +#endif - /* - * Armv7m fixed configuration: strongly ordered & not - * executable, not cacheable - */ - { 0xE0000000, REGION_3, XN_EN, PRIV_RW_USR_RW, - STRONG_ORDER, REGION_512MB }, +#if defined(CONFIG_STM32F7) + { 0xC0000000, REGION_0, XN_DIS, PRIV_RW_USR_RW, + O_I_WB_RD_WR_ALLOC, REGION_16MB }, +#endif -#if !defined(CONFIG_STM32H7) - /* Device area : Not executable */ - { 0xA0000000, REGION_4, XN_EN, PRIV_RW_USR_RW, - DEVICE_NON_SHARED, REGION_512MB }, +#if defined(CONFIG_STM32H7) + { 0xD0000000, REGION_0, XN_DIS, PRIV_RW_USR_RW, + O_I_WB_RD_WR_ALLOC, REGION_32MB }, #endif }; |