1*4882a593Smuzhiyun======================================== 2*4882a593SmuzhiyunRenesas SH7753 EVB board 3*4882a593Smuzhiyun======================================== 4*4882a593Smuzhiyun 5*4882a593SmuzhiyunThis board specification: 6*4882a593Smuzhiyun========================= 7*4882a593Smuzhiyun 8*4882a593SmuzhiyunThe SH7753 EVB (board config name:sh7753evb) has the following device: 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun - SH7753 (SH-4A) 11*4882a593Smuzhiyun - DDR3-SDRAM 512MB 12*4882a593Smuzhiyun - SPI ROM 8MB 13*4882a593Smuzhiyun - Gigabit Ethernet controllers 14*4882a593Smuzhiyun - eMMC 4GB 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunConfiguration for This board: 18*4882a593Smuzhiyun============================= 19*4882a593Smuzhiyun 20*4882a593SmuzhiyunYou can select the configuration as follows: 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun - make sh7753evb_config 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun 25*4882a593SmuzhiyunThis board specific command: 26*4882a593Smuzhiyun============================ 27*4882a593Smuzhiyun 28*4882a593SmuzhiyunThis board has the following its specific command: 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun - write_mac 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun1. write_mac 34*4882a593Smuzhiyun 35*4882a593SmuzhiyunYou can write MAC address to SPI ROM. 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun Usage 1) Write MAC address 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun write_mac [GETHERC ch0] [GETHERC ch1] 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun For example) 42*4882a593Smuzhiyun => write_mac 74:90:50:00:33:9e 74:90:50:00:33:9f 43*4882a593Smuzhiyun *) We have to input the command as a single line 44*4882a593Smuzhiyun (without carriage return) 45*4882a593Smuzhiyun *) We have to reset after input the command. 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun Usage 2) Show current data 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun write_mac 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun For example) 52*4882a593Smuzhiyun => write_mac 53*4882a593Smuzhiyun GETHERC ch0 = 74:90:50:00:33:9e 54*4882a593Smuzhiyun GETHERC ch1 = 74:90:50:00:33:9f 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun 57*4882a593SmuzhiyunUpdate SPI ROM: 58*4882a593Smuzhiyun============================ 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun1. Copy u-boot image to RAM area. 61*4882a593Smuzhiyun2. Probe SPI device. 62*4882a593Smuzhiyun => sf probe 0 63*4882a593Smuzhiyun SF: Detected MX25L6405D with page size 64KiB, total 8 MiB 64*4882a593Smuzhiyun3. Erase SPI ROM. 65*4882a593Smuzhiyun => sf erase 0 80000 66*4882a593Smuzhiyun4. Write u-boot image to SPI ROM. 67*4882a593Smuzhiyun => sf write 0x48000000 0 80000 68