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Merge branch 'bugfix/fix_psram_size_get_error_v3.1' into 'release/v3.1'

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psram: fix psram size get error (backport v3.1)

See merge request espressif/esp-idf!8572
This commit is contained in:
Jiang Jiang Jian 2020-05-06 16:55:15 +08:00
parent 8f958c8013 447032c8ff
commit b30e8d1019
1 changed files with 8 additions and 3 deletions
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11
components/esp32/spiram_psram.c
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@ -69,9 +69,14 @@ typedef enum {
#define PSRAM_EID(id) (((id) >> PSRAM_ID_EID_S) & PSRAM_ID_EID_M)
#define PSRAM_IS_VALID(id) (PSRAM_KGD(id) == PSRAM_ID_KGD)
// PSRAM_EID = 0x26 or 0x4x ----> 64MBit psram
// PSRAM_EID = 0x20 ------------> 32MBit psram
#define PSRAM_IS_64MBIT(id) ((PSRAM_EID(id) == 0x26) || ((PSRAM_EID(id) & 0xf0) == 0x40))
// Use the [7:5](bit7~bit5) of EID to distinguish the psram size:
//
// BIT7 | BIT6 | BIT5 | SIZE(MBIT)
// -------------------------------------
// 0 | 0 | 0 | 16
// 0 | 0 | 1 | 32
// 0 | 1 | 0 | 64
#define PSRAM_IS_64MBIT(id) ((PSRAM_EID(id) == 0x26) || ((PSRAM_EID(id) & 0xe0) == 0x40))
#define PSRAM_IS_32MBIT_VER0(id) (PSRAM_EID(id) == 0x20)
// IO-pins for PSRAM. These need to be in the VDD_SIO power domain because all chips we