64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
#include <stdint.h>
|
|
|
|
/**
|
|
* @brief FLASH configuration option definitions:
|
|
* option[0]:
|
|
* [31:16] 0xfcf9 - FLASH configuration option tag
|
|
* [15:4] 0 - Reserved
|
|
* [3:0] option words (exclude option[0])
|
|
* option[1]:
|
|
* [31:28] Flash probe type
|
|
* 0 - SFDP SDR / 1 - SFDP DDR
|
|
* 2 - 1-4-4 Read (0xEB, 24-bit address) / 3 - 1-2-2 Read(0xBB, 24-bit address)
|
|
* 4 - HyperFLASH 1.8V / 5 - HyperFLASH 3V
|
|
* 6 - OctaBus DDR (SPI -> OPI DDR)
|
|
* 8 - Xccela DDR (SPI -> OPI DDR)
|
|
* 10 - EcoXiP DDR (SPI -> OPI DDR)
|
|
* [27:24] Command Pads after Power-on Reset
|
|
* 0 - SPI / 1 - DPI / 2 - QPI / 3 - OPI
|
|
* [23:20] Command Pads after Configuring FLASH
|
|
* 0 - SPI / 1 - DPI / 2 - QPI / 3 - OPI
|
|
* [19:16] Quad Enable Sequence (for the device support SFDP 1.0 only)
|
|
* 0 - Not needed
|
|
* 1 - QE bit is at bit 6 in Status Register 1
|
|
* 2 - QE bit is at bit1 in Status Register 2
|
|
* 3 - QE bit is at bit7 in Status Register 2
|
|
* 4 - QE bit is at bit1 in Status Register 2 and should be programmed by 0x31
|
|
* [15:8] Dummy cycles
|
|
* 0 - Auto-probed / detected / default value
|
|
* Others - User specified value, for DDR read, the dummy cycles should be 2 * cycles on FLASH datasheet
|
|
* [7:4] Misc.
|
|
* 0 - Not used
|
|
* 1 - SPI mode
|
|
* 2 - Internal loopback
|
|
* 3 - External DQS
|
|
* [3:0] Frequency option
|
|
* 1 - 30MHz / 2 - 50MHz / 3 - 66MHz / 4 - 80MHz / 5 - 100MHz / 6 - 120MHz / 7 - 133MHz / 8 - 166MHz
|
|
*
|
|
* option[2] (Effective only if the bit[3:0] in option[0] > 1)
|
|
* [31:20] Reserved
|
|
* [19:16] IO voltage
|
|
* 0 - 3V / 1 - 1.8V
|
|
* [15:12] Pin group
|
|
* 0 - 1st group / 1 - 2nd group
|
|
* [11:8] Connection selection
|
|
* 0 - CA_CS0 / 1 - CB_CS0 / 2 - CA_CS0 + CB_CS0 (Two FLASH connected to CA and CB respectively)
|
|
* [7:0] Drive Strength
|
|
* 0 - Default value
|
|
* option[3] (Effective only if the bit[3:0] in option[0] > 2, required only for the QSPI NOR FLASH that not supports
|
|
* JESD216)
|
|
* [31:16] reserved
|
|
* [15:12] Sector Erase Command Option, not required here
|
|
* [11:8] Sector Size Option, not required here
|
|
* [7:0] Flash Size Option
|
|
* 0 - 4MB / 1 - 8MB / 2 - 16MB
|
|
*/
|
|
#if defined(FLASH_XIP) && FLASH_XIP
|
|
__attribute__((section(".nor_cfg_option"))) const uint32_t option[4] = {
|
|
0xfcf90001,
|
|
0x00000007,
|
|
0x00000000,
|
|
0x00000000,
|
|
};
|
|
#endif
|