]> git.sur5r.net Git - u-boot/blobdiff - arch/arm/mach-stm32/soc.c
SPDX: Convert all of our single license tags to Linux Kernel style
[u-boot] / arch / arm / mach-stm32 / soc.c
index df20d547c5008361413c647ec8a54efe7488706e..02592684b946f8f722fabec428429baae7e5c06a 100644 (file)
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
  * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -15,35 +14,21 @@ 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
        };