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boards/risc-v/mpfs/icicle: Add USRIO area for userspace IO mappings

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Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
This commit is contained in:
Jukka Laitinen
2023-02-10 15:48:33 +04:00
committed by Alan C. Assis
parent 7470fd9274
commit d62e500940
3 changed files with 14 additions and 0 deletions
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boards/risc-v/mpfs/icicle/include/board_memorymap.h
+10
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@@ -67,6 +67,11 @@
#define USRAM_START (uintptr_t)__usram_start
#define USRAM_SIZE (uintptr_t)__usram_size
/* User IO */
#define USRIO_START (uintptr_t)__usrio_start
#define USRIO_SIZE (uintptr_t)__usrio_size
/****************************************************************************
* Public Data
****************************************************************************/
@@ -97,4 +102,9 @@ extern uint8_t __uflash_size[];
extern uint8_t __usram_start[];
extern uint8_t __usram_size[];
/* User IO (R) */
extern uint8_t __usrio_start[];
extern uint8_t __usrio_size[];
#endif /* __BOARDS_RISC_V_MPFS_ICICLE_INCLUDE_BOARD_MEMORYMAP_H */
boards/risc-v/mpfs/icicle/scripts/kernel-space.ld
+2
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@@ -32,6 +32,8 @@ __uflash_start = ORIGIN(uflash);
__uflash_size = LENGTH(uflash);
__usram_start = ORIGIN(usram);
__usram_size = LENGTH(usram);
__usrio_start = ORIGIN(usrio);
__usrio_size = LENGTH(usrio);
/* Provide the kernel boundaries as well */
boards/risc-v/mpfs/icicle/scripts/memory.ld
+2
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@@ -27,4 +27,6 @@ MEMORY
ksram (rwx) : ORIGIN = 0x80080000, LENGTH = 256K /* w/ cache */
usram (rwx) : ORIGIN = 0x800C0000, LENGTH = 256K /* w/ cache */
usrio (r) : ORIGIN = 0x80100000, LENGTH = 32K
}