Scenario:
- Kinetis K82
- Micron MT25TL01GHBB8E12 (Dual QSPI, 2x64MByte)
- MCUXpresso v11.5.0
- Segger J-Link Debug Probe
- Single-Wire (SW) Debug/Programming
- Linker Script /startup/k8x.ld (Unmanaged by MCUXpresso), excerpts below
MEMORY
{
/* Define each memory region, ensuring each is 4K sector aligned */
PROGRAM_FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x040000 /* 256K bytes (alias Flash) */
EXT_PGM_FLASH (rx) : ORIGIN = 0x04000000, LENGTH = 0x060000 /* 384K bytes (alias Flash2) */
/* Note: 0x04000000-0x0405FFFF is XiP alias for 0x68000000-0x6805FFFF */
SRAM_LOWER (rwx) : ORIGIN = 0x1fff0000, LENGTH = 0x010000 /* 64K bytes (alias RAM2) */
SRAM_UPPER (rwx) : ORIGIN = 0x20000000, LENGTH = 0x030000 /* 192K bytes (alias RAM) */
/* Note: 0x68000000-0x6805FFFF reserved for XiP 0x04000000-0x0405FFFF (AKA EXT_PGM_FLASH) */
}
//------------ CUT -----------------------
.text_Flash2 : ALIGN(4)
{
FILL(0xff)
*(.text_Flash2*)
*(.text_EXT_PGM_FLASH*)
*(.text.$Flash2*)
*(.text.$EXT_PGM_FLASH*)
*(.rodata.$Flash2*)
*(.rodata.$EXT_PGM_FLASH*)
} > EXT_PGM_FLASH
Code:
const TsBigBitMap __attribute__((used, section (".text_Flash2"))) ipsLogo_bmp =
{
3, // BitMapType
512, // width_pixels
384, // height_pixels
192, // width_bytes
73728, // byte_count
{
0xFF, 0x4F, 0x92, 0x24, 0x49, 0x92, 0x24, 0x49, 0x92, 0x24, 0xC9,
--------------- CUT ------------- (many lines)
0x37, 0x49, 0x92, 0x24, 0x49, 0x92, 0x24, 0x49, 0x92, 0xA4, 0xFF,
}
};
Build:
Memory region Used Size Region Size %age Used
PROGRAM_FLASH: 112200 B 256 KB 42.80%
EXT_PGM_FLASH: 150552 B 384 KB 38.29%
SRAM_LOWER: 0 GB 64 KB 0.00%
SRAM_UPPER: 79408 B 192 KB 40.39%
TERM_SETTINGS: 0 GB 96 KB 0.00%
MODULE_CONFIG: 0 GB 32 KB 0.00%
OTA_UPDATE: 0 GB 1 MB 0.00%
Finished building target: DisplayMk7.axf
Debug:
Board programs without error, but I do not notice the 2nd progress bar for flash bank 1 (external SQPI). When I F8 (Resume) the board runs. It reads the data from the external flash, but this is all 0xFF (just a white image is displayed)
Help needed:
Any ideas?
