1*320cf350SYoshihiro Shimoda======================================== 2*320cf350SYoshihiro ShimodaRenesas SH7753 EVB board 3*320cf350SYoshihiro Shimoda======================================== 4*320cf350SYoshihiro Shimoda 5*320cf350SYoshihiro ShimodaThis board specification: 6*320cf350SYoshihiro Shimoda========================= 7*320cf350SYoshihiro Shimoda 8*320cf350SYoshihiro ShimodaThe SH7753 EVB (board config name:sh7753evb) has the following device: 9*320cf350SYoshihiro Shimoda 10*320cf350SYoshihiro Shimoda - SH7753 (SH-4A) 11*320cf350SYoshihiro Shimoda - DDR3-SDRAM 512MB 12*320cf350SYoshihiro Shimoda - SPI ROM 8MB 13*320cf350SYoshihiro Shimoda - Gigabit Ethernet controllers 14*320cf350SYoshihiro Shimoda - eMMC 4GB 15*320cf350SYoshihiro Shimoda 16*320cf350SYoshihiro Shimoda 17*320cf350SYoshihiro ShimodaConfiguration for This board: 18*320cf350SYoshihiro Shimoda============================= 19*320cf350SYoshihiro Shimoda 20*320cf350SYoshihiro ShimodaYou can select the configuration as follows: 21*320cf350SYoshihiro Shimoda 22*320cf350SYoshihiro Shimoda - make sh7753evb_config 23*320cf350SYoshihiro Shimoda 24*320cf350SYoshihiro Shimoda 25*320cf350SYoshihiro ShimodaThis board specific command: 26*320cf350SYoshihiro Shimoda============================ 27*320cf350SYoshihiro Shimoda 28*320cf350SYoshihiro ShimodaThis board has the following its specific command: 29*320cf350SYoshihiro Shimoda 30*320cf350SYoshihiro Shimoda - write_mac 31*320cf350SYoshihiro Shimoda 32*320cf350SYoshihiro Shimoda 33*320cf350SYoshihiro Shimoda1. write_mac 34*320cf350SYoshihiro Shimoda 35*320cf350SYoshihiro ShimodaYou can write MAC address to SPI ROM. 36*320cf350SYoshihiro Shimoda 37*320cf350SYoshihiro Shimoda Usage 1) Write MAC address 38*320cf350SYoshihiro Shimoda 39*320cf350SYoshihiro Shimoda write_mac [GETHERC ch0] [GETHERC ch1] 40*320cf350SYoshihiro Shimoda 41*320cf350SYoshihiro Shimoda For example) 42*320cf350SYoshihiro Shimoda => write_mac 74:90:50:00:33:9e 74:90:50:00:33:9f 43*320cf350SYoshihiro Shimoda *) We have to input the command as a single line 44*320cf350SYoshihiro Shimoda (without carriage return) 45*320cf350SYoshihiro Shimoda *) We have to reset after input the command. 46*320cf350SYoshihiro Shimoda 47*320cf350SYoshihiro Shimoda Usage 2) Show current data 48*320cf350SYoshihiro Shimoda 49*320cf350SYoshihiro Shimoda write_mac 50*320cf350SYoshihiro Shimoda 51*320cf350SYoshihiro Shimoda For example) 52*320cf350SYoshihiro Shimoda => write_mac 53*320cf350SYoshihiro Shimoda GETHERC ch0 = 74:90:50:00:33:9e 54*320cf350SYoshihiro Shimoda GETHERC ch1 = 74:90:50:00:33:9f 55*320cf350SYoshihiro Shimoda 56*320cf350SYoshihiro Shimoda 57*320cf350SYoshihiro ShimodaUpdate SPI ROM: 58*320cf350SYoshihiro Shimoda============================ 59*320cf350SYoshihiro Shimoda 60*320cf350SYoshihiro Shimoda1. Copy u-boot image to RAM area. 61*320cf350SYoshihiro Shimoda2. Probe SPI device. 62*320cf350SYoshihiro Shimoda => sf probe 0 63*320cf350SYoshihiro Shimoda SF: Detected MX25L6405D with page size 64KiB, total 8 MiB 64*320cf350SYoshihiro Shimoda3. Erase SPI ROM. 65*320cf350SYoshihiro Shimoda => sf erase 0 80000 66*320cf350SYoshihiro Shimoda4. Write u-boot image to SPI ROM. 67*320cf350SYoshihiro Shimoda => sf write 0x48000000 0 80000 68