It works !
glasgow run memory-25x -V 1.8 --cs 'A1' --io 'A5,A2,A3,A7' --sck 'A6' identify
I: g.hardware.device: generating bitstream ID 1f164f91b03c8c6933004aae6f78a802
I: g.hardware.assembly: port A voltage set to 1.8 V
I: g.hardware.assembly: port B voltage set to 1.8 V
I: g.cli: running handler for applet 'memory-25x'
I: g.applet.memory.25x: JEDEC manufacturer 0x34 (Cypress) device 0xc2 (8-bit ID)
I: g.applet.memory.25x: JEDEC manufacturer 0xc2 (Macronix) device 0x2534 (16-bit ID)
I: g.applet.memory.25x: device has valid SFDP 1.6 (JESD216B) descriptor
I: g.applet.memory.25x:   SFDP table #0: JEDEC, Flash Parameter Table, 1.6 (JESD216B)
I: g.applet.memory.25x:     density (Mebibits)     : 8
I: g.applet.memory.25x:     density (Mebibytes)    : 1
I: g.applet.memory.25x:     address byte count     : 3
I: g.applet.memory.25x:     write granularity      : 64 byte(s)
I: g.applet.memory.25x:     sector sizes           : 4096, 32768, 65536
I: g.applet.memory.25x:     sector size 4096       : erase opcode 0x20
I: g.applet.memory.25x:     sector size 32768      : erase opcode 0x52
I: g.applet.memory.25x:     sector size 65536      : erase opcode 0xd8
I: g.applet.memory.25x:     double transfer rate   : no
I: g.applet.memory.25x:     fast read modes        : (1-1-2), (1-1-4), (1-2-2), (1-4-4)
I: g.applet.memory.25x:     fast read mode (1-1-2) : opcode 0x3b, 8 wait states, 0 mode bits
I: g.applet.memory.25x:     fast read mode (1-1-4) : opcode 0x6b, 8 wait states, 0 mode bits
I: g.applet.memory.25x:     fast read mode (1-2-2) : opcode 0xbb, 4 wait states, 0 mode bits
I: g.applet.memory.25x:     fast read mode (1-4-4) : opcode 0xeb, 4 wait states, 2 mode bits
I: g.applet.memory.25x:   SFDP table #1: Macronix, Unknown Table 0xff, 1.0
I: g.applet.memory.25x:   SFDP table #2: Unknown Vendor 0x84, Unknown Table 0xff, 1.0