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fixing some memory map errors for stm32h7, PR #821

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Alex Norman 2020-12-22 18:11:12 -08:00 committed by UweBonnes
parent 09c000eca8
commit 42f590ce0b
1 changed files with 11 additions and 3 deletions
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14
src/target/stm32h7.c
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@ -25,6 +25,13 @@
* Reference manual - STM32H7x3 advanced ARM®-based 32-bit MCUs Rev.3 * Reference manual - STM32H7x3 advanced ARM®-based 32-bit MCUs Rev.3
*/ */
/*
* While the ST document (RM 0433) claims that the stm32h750 only has 1 bank
* with 1 sector (128k) of user main memory flash (pages 151-152), we were able
* to write and successfully verify into other regions in bank 1 and also into
* bank 2 (0x0810 0000 as indicated for the other chips).
*/
#include "general.h" #include "general.h"
#include "target.h" #include "target.h"
#include "target_internal.h" #include "target_internal.h"
@ -199,13 +206,14 @@ static bool stm32h7_attach(target *t)
target_mem_map_free(t); target_mem_map_free(t);
/* Add RAM to memory map */ /* Add RAM to memory map */
/* Table 7. Memory map and default device memory area attributes RM 0433, pg 130 */
target_add_ram(t, 0x00000000, 0x10000); /* ITCM Ram, 64 k */ target_add_ram(t, 0x00000000, 0x10000); /* ITCM Ram, 64 k */
target_add_ram(t, 0x20000000, 0x20000); /* DTCM Ram, 128 k */ target_add_ram(t, 0x20000000, 0x20000); /* DTCM Ram, 128 k */
target_add_ram(t, 0x24000000, 0x80000); /* AXI Ram, 512 k */ target_add_ram(t, 0x24000000, 0x80000); /* AXI Ram, 512 k */
target_add_ram(t, 0x30000000, 0x20000); /* AHB SRAM1, 128 k */ target_add_ram(t, 0x30000000, 0x20000); /* AHB SRAM1, 128 k */
target_add_ram(t, 0x32000000, 0x20000); /* AHB SRAM2, 128 k */ target_add_ram(t, 0x30020000, 0x20000); /* AHB SRAM2, 128 k */
target_add_ram(t, 0x34000000, 0x08000); /* AHB SRAM3, 32 k */ target_add_ram(t, 0x30040000, 0x08000); /* AHB SRAM3, 32 k */
target_add_ram(t, 0x38000000, 0x01000); /* AHB SRAM4, 32 k */ target_add_ram(t, 0x38000000, 0x10000); /* AHB SRAM4, 64 k */
/* Add the flash to memory map. */ /* Add the flash to memory map. */
stm32h7_add_flash(t, 0x8000000, 0x100000, FLASH_SECTOR_SIZE); stm32h7_add_flash(t, 0x8000000, 0x100000, FLASH_SECTOR_SIZE);