Commit Graph

5884 Commits

Author SHA1 Message Date
Gregory Nutt
7dfef5e22e SAMA5: Modification of some CPSR-related inline functions 2013-07-31 09:11:24 -06:00
Gregory Nutt
fde3777e9e Fix Cortex-A CPSR register field definition 2013-07-30 19:05:24 -06:00
Gregory Nutt
bfa1a9545b SAMA5: Change mapping of vector tables to work around that fact that I don't understand how the AXI MATRIX remap works 2013-07-30 16:19:52 -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
b2da68028e The last bit of a previous commit was still in the editor 2013-07-30 12:07:51 -06:00
Gregory Nutt
c4c222ca3a More DAC changes from John Wharington 2013-07-30 11:41:53 -06:00
Gregory Nutt
2c6b370c4a Add ARMv7-A irqdisable() inline function 2013-07-30 11:37:09 -06:00
Gregory Nutt
5a94767c52 STM32 F3 I2C driver from John Wharington 2013-07-30 10:35:17 -06:00
Gregory Nutt
b57f54fbd0 STM32 DAC DMA fixes from John Wharington 2013-07-30 08:54:32 -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
1728594259 SAMA5: Add a little NuttX debug program to help debugger programs in NOR flash 2013-07-29 13:57:32 -06:00
Gregory Nutt
f96c6793b9 Add SAMA5 HSMC register definitions and logic to reconfigure the NOR FLASH 2013-07-29 10:56:21 -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
0fb58d2cf1 Fix some bad page table definitions of last commit 2013-07-25 18:11:25 -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
04b3bb1826 Revamp the way external memory regions are configured; Add logic to add SAMA5 external memory regions to the heap 2013-07-24 10:08:32 -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
14df812735 SAMA5: Adapt clocking for different boot modes. New header files for AXI matrix, BSC, and SFR 2013-07-23 13:54:49 -06:00
Gregory Nutt
afdd6320ee Add SAMA5D3 pin multiplexing definitions 2013-07-23 09:47:01 -06:00
Gregory Nutt
f07d09aa48 Add SAMA5 GPIO configuration support 2013-07-22 20:59:47 -06:00
Gregory Nutt
339a55f1ea Add support SAMA5 UART and serial driver 2013-07-22 19:16:37 -06:00
Gregory Nutt
e67d610347 SAMA5 clock configuration should now agree with Atmel sample code; Added header file with macros to enable and disable peripheral clocking 2013-07-22 17:00:02 -06:00
Gregory Nutt
a9b0f304e6 Add SAMA5 clock logic. Cloned from SAM3U and not yet verified 2013-07-22 14:42:05 -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
87f54f7d0b Add system timer logic for the SAMA5 2013-07-21 15:49:17 -06:00
Gregory Nutt
86c0d9772f Add some preliminary linker scripts in order to begin building the SAMA5 target 2013-07-21 13:50:22 -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
4a81d47c86 Basic framework to support the AT91SAMA5D3 family and the SAMA5D3x-EK board(s) in particular 2013-07-19 15:23:03 -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