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heap: add rtc fast memory region to dynamic pool

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- for ESP32 only enabled in case of unicore config
- capability wise this region (8K) is same as DRAM, except non-DMA capable
- also fixed small issue in reserved memory region processing when (start == end)
This commit is contained in:
Mahavir Jain
2020-04-18 23:56:34 +05:30
committed by bot
parent 4091d44cda
commit 1aac284dda
6 changed files with 64 additions and 5 deletions
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16
components/soc/src/esp32s2/soc_memory_layout.c
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@@ -51,6 +51,8 @@ const soc_memory_type_desc_t soc_memory_types[] = {
//Type 4: SPI SRAM data
//TODO, in fact, part of them support EDMA, to be supported.
{ "SPIRAM", { MALLOC_CAP_SPIRAM|MALLOC_CAP_DEFAULT, 0, MALLOC_CAP_8BIT|MALLOC_CAP_32BIT}, false, false},
//Type 5: RTC Fast RAM
{ "RTCRAM", { MALLOC_CAP_8BIT|MALLOC_CAP_DEFAULT, MALLOC_CAP_INTERNAL|MALLOC_CAP_32BIT, 0 }, false, false},
};
#ifdef CONFIG_ESP32S2_MEMPROT_FEATURE
@@ -68,6 +70,9 @@ Because of requirements in the coalescing code which merges adjacent regions, th
from low to high start address.
*/
const soc_memory_region_t soc_memory_regions[] = {
#ifdef CONFIG_ESP32S2_ALLOW_RTC_FAST_MEM_AS_HEAP
{ SOC_RTC_DRAM_LOW, 0x2000, 5, 0}, //RTC Fast Memory
#endif
#ifdef CONFIG_SPIRAM
{ SOC_EXTRAM_DATA_LOW, SOC_EXTRAM_DATA_HIGH - SOC_EXTRAM_DATA_LOW, 4, 0}, //SPI SRAM, if available
#endif
@@ -115,7 +120,7 @@ const size_t soc_memory_region_count = sizeof(soc_memory_regions)/sizeof(soc_mem
extern int _dram0_rtos_reserved_start;
extern int _data_start, _heap_start, _iram_start, _iram_end;
extern int _data_start, _heap_start, _iram_start, _iram_end, _rtc_force_fast_end, _rtc_noinit_end;
/* Reserved memory regions
@@ -141,4 +146,13 @@ SOC_RESERVE_MEMORY_REGION( SOC_EXTRAM_DATA_LOW, SOC_EXTRAM_DATA_HIGH, extram_dat
SOC_RESERVE_MEMORY_REGION(0x3fffc000 - CONFIG_ESP32S2_TRACEMEM_RESERVE_DRAM, 0x3fffc000, trace_mem);
#endif
// RTC Fast RAM region
#ifdef CONFIG_ESP32S2_ALLOW_RTC_FAST_MEM_AS_HEAP
#ifdef CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM
SOC_RESERVE_MEMORY_REGION(SOC_RTC_DRAM_LOW, (intptr_t)&_rtc_noinit_end, rtcram_data);
#else
SOC_RESERVE_MEMORY_REGION(SOC_RTC_DRAM_LOW, (intptr_t)&_rtc_force_fast_end, rtcram_data);
#endif
#endif
#endif // BOOTLOADER_BUILD