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i.MX6: Add some comments

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This commit is contained in:
Gregory Nutt 2016-11-26 09:27:29 -06:00
parent e3fe320e08
commit 61b45a8544
1 changed files with 15 additions and 0 deletions
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15
arch/arm/src/imx6/chip/imx_memorymap.h
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@ -918,6 +918,14 @@
*/
#ifndef CONFIG_ARCH_LOWVECTORS
/* Memory map
* VIRTUAL ADDRESS RANGE L1 PG TABLE L2 PG TABLE DESCRIPTION
* START END OFFSET SIZE
* ---------- ---------- ------------ ----------------------------
* 0x80000000 0x803fffff 0x000002000 0x000000400 Vectors (1MiB)
* 0x80100000 0x806fffff 0x000002400 0x000001800 Paging (6MiB)
*/
/* Vector L2 page table offset/size */
# define VECTOR_L2_OFFSET 0x000002000
@ -939,6 +947,13 @@
# define PGTABLE_L2_SIZE 0x000001800
#else
/* Memory map
* VIRTUAL ADDRESS RANGE L1 PG TABLE L2 PG TABLE DESCRIPTION
* START END OFFSET SIZE
* ---------- ---------- ------------ ----------------------------
* 0x80000000 0x806fffff 0x000002000 0x000001c00 Paging (7MiB)
*/
/* Paging L2 page table offset/size */
# define PGTABLE_L2_OFFSET 0x000002000