blob: f46beeb8eb7efc88450c1863dbb97733822ff837 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
# Copyright (c) 2026 HPMicro
# SPDX-License-Identifier: BSD-3-Clause
# openocd flash driver argument:
# - option0:
# [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 bit6 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
# - option1:
# [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
# xpi0 configs
# - flash driver: hpm_xpi
# - flash ctrl index: 0xF00E0000
# - base address: 0x80000000
# - flash size: 0x2000000
# - flash option0: 0x5
# - flash option1: 0x1000
flash bank xpi0 hpm_xpi 0x80000000 0x2000000 1 1 $_TARGET0 0xF00E0000 0x5 0x1000
proc init_clock {} {
mww 0xF4000800 0xFFFFFFFF
mww 0xF4000810 0xFFFFFFFF
mww 0xF4000820 0xFFFFFFFF
mww 0xF4000830 0xFFFFFFFF
echo "clocks has been enabled!"
}
$_TARGET0 configure -event reset-init {
init_clock
}
$_TARGET0 configure -event gdb-attach {
reset halt
}
|
