xref: /OK3568_Linux_fs/u-boot/board/renesas/sh7757lcr/README.sh7757lcr (revision 4882a59341e53eb6f0b4789bf948001014eff981)
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2*4882a593SmuzhiyunRenesas R0P7757LC0030RL board
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5*4882a593SmuzhiyunThis board specification:
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8*4882a593SmuzhiyunThe R0P7757LC0030RL(board config name:sh7757lcr) has the following device:
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10*4882a593Smuzhiyun - SH7757 (SH-4A)
11*4882a593Smuzhiyun - DDR3-SDRAM 256MB (with ECC)
12*4882a593Smuzhiyun - SPI ROM 8MB
13*4882a593Smuzhiyun - 2D Graphic controller
14*4882a593Smuzhiyun - Ethernet controller
15*4882a593Smuzhiyun - eMMC 2GB
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18*4882a593Smuzhiyunconfiguration for This board:
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21*4882a593SmuzhiyunYou can select the configuration as follows:
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23*4882a593Smuzhiyun - make sh7785lcr_config
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26*4882a593SmuzhiyunThis board specific command:
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29*4882a593SmuzhiyunThis board has the following its specific command:
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31*4882a593Smuzhiyun - sh_g200
32*4882a593Smuzhiyun - write_mac
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35*4882a593Smuzhiyun1. sh_g200
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37*4882a593SmuzhiyunIf we run this command, SH4 can control the G200.
38*4882a593SmuzhiyunThe default setting is that SH4 cannot control the G200.
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41*4882a593Smuzhiyun2. write_mac
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43*4882a593SmuzhiyunYou can write MAC address to SPI ROM.
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45*4882a593Smuzhiyun Usage 1) Write MAC address
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47*4882a593Smuzhiyun   write_mac [ETHERC ch0] [ETHERC ch1] [GETHERC ch0] [GETHERC ch1]
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49*4882a593Smuzhiyun	For example)
50*4882a593Smuzhiyun	 => write_mac 00:00:87:6c:21:80 00:00:87:6c:21:81 00:00:87:6c:21:82 00:00:87:6c:21:83
51*4882a593Smuzhiyun		*) We have to input the command as a single line
52*4882a593Smuzhiyun		   (without carriage return)
53*4882a593Smuzhiyun		*) We have to reset after input the command.
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55*4882a593Smuzhiyun Usage 2) Show current data
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57*4882a593Smuzhiyun   write_mac
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59*4882a593Smuzhiyun	For example)
60*4882a593Smuzhiyun		=> write_mac
61*4882a593Smuzhiyun		 ETHERC ch0 = 00:00:87:6c:21:80
62*4882a593Smuzhiyun		 ETHERC ch1 = 00:00:87:6c:21:81
63*4882a593Smuzhiyun		GETHERC ch0 = 00:00:87:6c:21:82
64*4882a593Smuzhiyun		GETHERC ch1 = 00:00:87:6c:21:83
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67*4882a593SmuzhiyunUpdate SPI ROM:
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70*4882a593Smuzhiyun1. Copy u-boot image to RAM area.
71*4882a593Smuzhiyun2. Probe SPI device.
72*4882a593Smuzhiyun   => sf probe 0
73*4882a593Smuzhiyun   8192 KiB M25P64 at 0:0 is now current device
74*4882a593Smuzhiyun3. Erase SPI ROM.
75*4882a593Smuzhiyun   => sf erase 0 80000
76*4882a593Smuzhiyun4. Write u-boot image to SPI ROM.
77*4882a593Smuzhiyun   => sf write 0x89000000 0 80000
78