Commit Graph

39 Commits

Author SHA1 Message Date
Gregory Nutt
2de3781ebf Slightly improved debug output 2013-09-24 13:47:03 -06:00
Gregory Nutt
8a1e33cb10 Un-neccesary, cosmetic changes to label names and comments 2013-09-22 08:54:06 -06:00
Gregory Nutt
9cb23c5ccb ARMv7-A: Fix some error in alignment to cache line boundaries in the cache operations 2013-09-21 15:47:00 -06:00
Gregory Nutt
c900c580ae ARMv7-A: Clarify end address paramet in cache operations: It is the end+1 address, not the end address 2013-09-21 12:16:34 -06:00
Gregory Nutt
bc46b447dc Fix all occurrences of "the the" in documentation and comments 2013-08-27 09:40:19 -06:00
Gregory Nutt
2feb83a2f8 SAMA5: More MMU-related changes to properly initialize SDRAM 2013-08-02 11:11:57 -06:00
Gregory Nutt
b148465beb ARMv7-A: Map all of .text, .bss, .data., stacks before enabling the MMU and caching. This is simpler and avoids fears I have about caching 2013-08-01 10:05:33 -06:00
Gregory Nutt
f2195a16b2 ARMv7-A: Separate CONFIG_PAGING start-up logic into a different startup file. Too much conditional compilation. 2013-08-01 07:41:00 -06:00
Gregory Nutt
fde3777e9e Fix Cortex-A CPSR register field definition 2013-07-30 19:05:24 -06:00
Gregory Nutt
8bfdf70766 ARMv7-A: Add cp15_disable_dcache(); SAMA5: nor_main.c no disables MMU and caches; Should not remap ISRAM to address 0x0 unless we booted into ISRAM 2013-07-30 13:20:33 -06:00
Gregory Nutt
413aba0bf5 SAMA5: More cache and mmu inline utility functions 2013-07-29 19:57:15 -06:00
Gregory Nutt
36b1cd0a6b SAMA5: Separate cache operations into separate files 2013-07-29 18:38:02 -06:00
Gregory Nutt
5351598323 Changes to ARMv7-A boot logic to handle the case where we execute out of NOR FLASH 2013-07-29 17:54:56 -06:00
Gregory Nutt
4ba648aaae SAMA5: Add file structure to support board-specific initialization of NOR flash 2013-07-29 07:41:53 -06:00
Gregory Nutt
9a94a3707c SAMA5: The ostest configuration have been converted to run out of NOR flash. There is more to be done, however 2013-07-28 15:07:35 -06:00
Gregory Nutt
7dc8dd4b50 SAMA5: Correct a clock configuration bug; clarify some MMU memory types 2013-07-28 12:44:06 -06:00
Gregory Nutt
263678e05b SAMA5: Correct vector mapping 2013-07-28 09:44:11 -06:00
Gregory Nutt
f0e3011fc3 Removed unused ARMv7-A cache function 2013-07-27 14:03:02 -06:00
Gregory Nutt
efa21b82bc SAMA5: Fix heap allocation bugs 2013-07-27 11:28:31 -06:00
Gregory Nutt
c4ec723089 SAMA5 page table is cached; need to flush the cache each time that the page table is updated 2013-07-27 09:27:37 -06:00
Gregory Nutt
6fc4b9aacc Correct an error in Cortex-A5 intermediate MMU mapping 2013-07-26 17:26:53 -06:00
Gregory Nutt
dc92037e67 Add a hello world configuration to help with the SAMA5 bringup 2013-07-26 15:28:01 -06:00
Gregory Nutt
70f0ffdfc5 Finally... renamed all CONFIG_DRAM_ settings to CONFIG_RAM_ 2013-07-26 10:09:17 -06:00
Gregory Nutt
ec8a56259c SAMA5: If the page table is in high memory, make sure that it is excluded from the heap 2013-07-26 09:16:46 -06:00
Gregory Nutt
49f9b7040e Misc Cortex-A5 MMU-related fix -- still does not boot 2013-07-25 16:37:55 -06:00
Gregory Nutt
55df28dbcf Fix an uninitialized register error that crept into the ARM9 start up code many years ago and was recently cloned into the Cortex-A5. Obviously no on has used NuttX with ARM9 for years 2013-07-24 20:12:04 -06:00
Gregory Nutt
e6beda428a Fix SAMA5 vector linking issue 2013-07-24 12:51:42 -06:00
Gregory Nutt
77e1c27005 Update SAMA5D3x-EK board configuration to support on-board UART connections, LEDs, and push buttons 2013-07-24 12:27:12 -06:00
Gregory Nutt
3860fc17f0 Improve Cortex-A5 context switching so that a little less copying is done 2013-07-24 07:47:51 -06:00
Gregory Nutt
d6ae8db987 ARMv7-N: Fix a copy error introduced in the previous check-in 2013-07-23 19:09:17 -06:00
Gregory Nutt
535048a73c Improve some ARMv7-A/M floating point register save time; Add floating point register save logic for ARMv7-A 2013-07-23 17:52:06 -06:00
Gregory Nutt
812bf02972 ARMv7-A: Need 8-byte stack alignment when callign C code from interrupt handlers. This change needs to be ported to other ARM architectures as well 2013-07-23 14:47:16 -06:00
Gregory Nutt
1350b2a576 SAMA5 interrupt handling logic 2013-07-22 11:54:39 -06:00
Gregory Nutt
5bbc86f894 SAMA5/Cortex-A: Improve irqsave/restore inlines + add irqenable. Add skeleton file for SAMA5 interrupt management. Also change from last commit that was left in the editor 2013-07-21 17:08:40 -06:00
Gregory Nutt
543b5b7e03 A few more Cortex-A5 and SAMA5 files 2013-07-21 12:52:38 -06:00
Gregory Nutt
66259bfc53 Misc Cortex-A5 changes include new file for cache operations 2013-07-20 13:06:00 -06:00
Gregory Nutt
b26d5c7164 A few more SAMA5D3 files 2013-07-19 17:45:28 -06:00
Gregory Nutt
5356bd1bbd More ARMv7-A files that are just copies of the ARMv4/5 files for now 2013-07-19 11:43:04 -06:00
Gregory Nutt
8f2ad7eec1 Some initial frame for Cortex-A5 support. No much yet 2013-07-18 15:20:47 -06:00