mediatek/mt8183: Add a stub implementation of the MT8183 SOC

Most things still need to be filled in, but this will allow us to build
boards which use this SOC.

BUG=b:80501386
BRANCH=none
TEST=timer and uart work fine

Change-Id: Ie81fa56ffce85188e1f9e979f9b0e64b764c2627
Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/26659
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tristan Shieh
2018-05-31 09:20:53 +08:00
committed by Patrick Georgi
parent 88d3ec222b
commit 3ddf57e24e
10 changed files with 339 additions and 33 deletions

View File

@@ -22,57 +22,68 @@ import sys
import hashlib
def read(path):
with open(path, "rb") as f:
with open(path, 'rb') as f:
return f.read()
def write(path, data):
with open(path, "wb") as f:
with open(path, 'wb') as f:
f.write(data)
def padding(data, size, pattern = '\0'):
def padding(data, size, pattern='\0'):
return data + pattern * (size - len(data))
def align(data, size, pattern = '\0'):
def align(data, size, pattern='\0'):
return padding(data, (len(data) + (size - 1)) & ~(size - 1), pattern)
gfh_infos = {
'mt8173': struct.pack("44I",
0x014d4d4d, 0x00000038, 0x454c4946, 0x464e495f,
0x0000004f, 0x00000001, 0x01050001, 0x000C0f50,
0xffffffff, 0x00020000, 0x000000a8, 0x00000020,
0x000000B0, 0x00000001, 0x014d4d4d, 0x0001000c,
0x00000001, 0x034d4d4d, 0x00070064, 0x00001182,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00006400, 0x00001388,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
)}
def gen_gfh_info(chip, data):
entries = {
'mt8173': 0x000C1000,
'mt8183': 0x00201000
}
gfh_format = '<44I'
gfh_size = struct.calcsize(gfh_format)
load_addr = entries[chip] - gfh_size
load_size = gfh_size + len(data) + hashlib.sha256().digest_size
gfh = struct.pack(gfh_format,
0x014d4d4d, 0x00000038, 0x454c4946, 0x464e495f,
0x0000004f, 0x00000001, 0x01050001, load_addr,
load_size, 0x00020000, 0x000000a8, 0x00000020,
0x000000B0, 0x00000001, 0x014d4d4d, 0x0001000c,
0x00000001, 0x034d4d4d, 0x00070064, 0x00001182,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00006400, 0x00001388,
0x00000000, 0x00000000, 0x00000000, 0x00000000)
return gfh
def gen_emmc_header(data):
header = (padding(struct.pack("<12sII", "EMMC_BOOT", 1, 512), 512, '\xff') +
padding(struct.pack("<8sIIIIIIII", "BRLYT", 1, 2048, 2048 + len(data),
0x42424242, 0x00010005, 2048, 2048 + len(data), 1) + '\0' * 140, 512, '\xff') +
header = (padding(struct.pack('<12sII', 'EMMC_BOOT', 1, 512), 512, '\xff') +
padding(struct.pack('<8sIIIIIIII', 'BRLYT', 1, 2048, 2048 + len(data),
0x42424242, 0x00010005, 2048, 2048 + len(data), 1) + '\0' * 140, 512,
'\xff') +
'\0' * 1024)
return header
def gen_sf_header(data):
header = (padding(struct.pack("<12sII", "SF_BOOT", 1, 512), 512, '\xff') +
padding(struct.pack("<8sIIIIIIII", "BRLYT", 1, 2048, 2048 + len(data),
0x42424242, 0x00010007, 2048, 2048 + len(data), 1) + '\0' * 140, 512, '\xff') +
header = (padding(struct.pack('<12sII', 'SF_BOOT', 1, 512), 512, '\xff') +
padding(struct.pack('<8sIIIIIIII', 'BRLYT', 1, 2048, 2048 + len(data),
0x42424242, 0x00010007, 2048, 2048 + len(data), 1) + '\0' * 140, 512,
'\xff') +
'\0' * 1024)
return header
gen_dev_header = {
"emmc": gen_emmc_header,
"sf": gen_sf_header
'emmc': gen_emmc_header,
'sf': gen_sf_header
}
def gen_preloader(chip_ver, flash_type, data):
gfh_info = gfh_infos[chip_ver]
gfh_info = gfh_info[0:32] + struct.pack("1I", len(data)+len(gfh_info)+32) + gfh_info[36:len(gfh_info)]
gfh_info = gen_gfh_info(chip_ver, data)
gfh_hash = hashlib.sha256(gfh_info + data).digest()
data = align(gfh_info + data + gfh_hash, 512, '\xff')
@@ -81,12 +92,12 @@ def gen_preloader(chip_ver, flash_type, data):
def main(argv):
if len(argv) != 5:
print "Usage: %s <chip> <flash_type> <input_file> <output_file>" % argv[0]
print "\t flash_type: emmc/sf"
print "\t chip : mt8173"
print 'Usage: %s <chip> <flash_type> <input_file> <output_file>' % argv[0]
print '\t flash_type: emmc|sf'
print '\t chip : mt8173|mt8183'
exit(1)
write(argv[4], gen_preloader(argv[1], argv[2], read(argv[3])))
if __name__ == "__main__":
if __name__ == '__main__':
main(sys.argv)