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enable sdram usage of REALTEK_RTL8195AM 

Signed-off-by: Tony Wu <tonywu@realtek.com>
pull/4665/head
Yuguo Zou 2017-06-29 15:36:32 +08:00 committed by Tony Wu
parent 92073650ea
commit 2864e4b05d
4 changed files with 77 additions and 26 deletions
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3
targets/TARGET_Realtek/TARGET_AMEBA/TARGET_RTL8195A/device/TOOLCHAIN_ARM_STD/rtl8195a.sct
View File

@ -47,5 +47,6 @@ LR_RAM 0x10006000 0x6FFFF {
LR_DRAM 0x30000000 0x1FFFFF{
_DRAM_CODE 0x30000000 0x1FFFFF{
*.o(.text*)
}
}
}

10
targets/TARGET_Realtek/TARGET_AMEBA/TARGET_RTL8195A/device/TOOLCHAIN_GCC_ARM/rlx8195A-symbol-v02-img2.ld
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@ -731,7 +731,6 @@ SECTIONS
*(.hal.flash.text*)
*(.hal.sdrc.text*)
*(.hal.gpio.text*)
*(.text*)
KEEP(*(.init))
KEEP(*(.fini))
@ -840,6 +839,15 @@ SECTIONS
*(.stack)
} > BD_RAM
.sdr_all :
{
__sdram_data_start__ = .;
*(.text*)
__sdram_data_end__ = .;
__sdram_bss_start__ = .;
__sdram_bss_end__ = .;
} > SD_RAM
/* Set stack top to end of RAM, and stack limit move down by
* size of stack_dummy section */
__StackTop = ORIGIN(BD_RAM) + LENGTH(BD_RAM);

5
targets/TARGET_Realtek/TARGET_AMEBA/TARGET_RTL8195A/device/TOOLCHAIN_IAR/rtl8195a.icf
View File

@ -142,7 +142,6 @@ define block .ram_image2.text with fixed order{ section .infra.ram.start*,
section .hal.flash.text*,
section .hal.gpio.text*,
section .text* object main.o,
section .text*,
section .wlan.text,
section .wps.text,
section CODE,
@ -189,7 +188,9 @@ place at end of BD_RAM_region {
block HEAP,
};
define block SDRAM with fixed order{ section .sdram.text*,
define block SDRAM with fixed order{
section .text*,
section .sdram.text*,
section .sdram.data*,
section .mdns.text*,
section .mdns.data*,

85
tools/targets/REALTEK_RTL8195AM.py
View File

@ -25,6 +25,8 @@ from datetime import datetime
# Constant Variables
RAM2_RSVD = 0x3131373835393138
RAM3_RSVD = 0xFFFFFFFFFFFFFFFF
IMG2_OFFSET = 0x10006000 #default
def write_fixed_width_string(value, width, output):
# cut string to list & reverse
@ -44,22 +46,39 @@ def write_fixed_width_value(value, width, output):
output.write("".join([chr(long(b, 16)) for b in line]))
def append_image_file(image, output):
input = open(image, "rb")
output.write(input.read())
try:
input = open(image, "rb")
output.write(input.read())
except Exception:
return
input.close()
def prepend(image, image_prepend, toolchain, info):
if info['size'] == 0:
return
output = open(image_prepend, "wb")
write_fixed_width_value(info['size'], 8, output)
write_fixed_width_value(info['addr'], 8, output)
write_fixed_width_value(RAM2_RSVD, 16, output)
with open(image, "rb") as input:
if toolchain == "IAR":
input.seek(info['addr'])
output.write(input.read(info['size']))
output.close()
if info['img'] == 2 :
write_fixed_width_value(RAM2_RSVD, 16, output)
elif info['img'] == 3 :
write_fixed_width_value(RAM3_RSVD, 16, output)
if os.path.isfile(image):
with open(image, "rb") as input:
if toolchain == "IAR":
input.seek(info['addr'])
elif info['img'] == 3: #toolchain is not IAR
input.seek(info['addr']-IMG2_OFFSET)
output.write(input.read(info['size']))
else:
image = os.path.join(image, info['name'])
with open(image, "rb") as input:
output.write(input.read(info['size']))
def parse_section(toolchain, elf, section):
output.close()
def _parse_section(toolchain, elf, section):
info = {'addr':None, 'size':0};
if toolchain not in ["GCC_ARM", "ARM_STD", "ARM", "ARM_MICRO", "IAR"]:
print "[ERROR] unsupported toolchain " + toolchain
@ -104,38 +123,60 @@ def parse_section(toolchain, elf, section):
print "[ERROR] cannot find the address of section " + section
return info
def parse_section(toolchain, elf, sections, img):
img_info = {'name':"", 'addr':None, 'size':0, 'img':img}
for section in sections:
section_info = _parse_section(toolchain, elf, section)
if img_info['addr'] is None or img_info['addr'] > section_info['addr']:
img_info['addr'] = section_info['addr']
img_info['name'] = section
img_info['size'] = img_info['size'] + section_info['size']
return img_info
# ----------------------------
# main function
# ----------------------------
def rtl8195a_elf2bin(toolchain, image_elf, image_bin):
if toolchain == "GCC_ARM":
img2_sections = [".image2.table", ".text", ".data"]
img3_sections = [".sdr_all"]
elif toolchain in ["ARM_STD", "ARM", "ARM_MICRO"]:
img2_sections = [".image2.table", ".text", ".data"]
img3_sections = ["_DRAM_CODE"]
elif toolchain == "IAR":
# actually it's block
img2_sections = ["IMAGE2"]
img3_sections = ["SDRAM"]
else:
print("[error] unsupported toolchain") + toolchain
return
ram2_info = {'addr':None, 'size':0}
image2_info = {'addr':None, 'size':0, 'img':2}
image3_info = {'addr':None, 'size':0, 'img':3}
image_name = os.path.splitext(image_elf)[0]
ram1_prepend_bin = os.path.join(TOOLS_BOOTLOADERS, "REALTEK_RTL8195AM", "ram_1_prepend.bin")
ram2_prepend_bin = image_name + '-ram_2_prepend.bin'
img1_prepend_bin = os.path.join(TOOLS_BOOTLOADERS, "REALTEK_RTL8195AM", "ram_1_prepend.bin")
img2_prepend_bin = image_name + '-ram_2_prepend.bin'
img3_prepend_bin = image_name + '-ram_3_prepend.bin'
old_bin = image_name + '.bin'
for section in img2_sections:
section_info = parse_section(toolchain, image_elf, section)
if ram2_info['addr'] is None or ram2_info['addr'] > section_info['addr']:
ram2_info['addr'] = section_info['addr']
ram2_info['size'] = ram2_info['size'] + section_info['size']
old_bin = image_name + '.bin'
prepend(old_bin, ram2_prepend_bin, toolchain, ram2_info)
img_info = parse_section(toolchain, image_elf, img2_sections, 2)
prepend(old_bin, img2_prepend_bin, toolchain, img_info)
img_info = parse_section(toolchain, image_elf, img3_sections, 3)
prepend(old_bin, img3_prepend_bin, toolchain, img_info)
#delete original binary
if os.path.isfile(image_bin):
os.remove(image_bin)
else:
for i in os.listdir(image_bin):
os.remove(os.path.join(image_bin, i))
os.removedirs(image_bin)
# write output file
output = open(image_bin, "wb")
append_image_file(ram1_prepend_bin, output)
append_image_file(ram2_prepend_bin, output)
append_image_file(img1_prepend_bin, output)
append_image_file(img2_prepend_bin, output)
append_image_file(img3_prepend_bin, output)
output.close()
# post built done