1 ======================================== 2 Renesas R0P7752C00000RZ board 3 ======================================== 4 5 This board specification: 6 ========================= 7 8 The R0P7752C00000RZ(board config name:sh7752evb) has the following device: 9 10 - SH7752 (SH-4A) 11 - DDR3-SDRAM 512MB 12 - SPI ROM 8MB 13 - Gigabit Ethernet controllers 14 - eMMC 4GB 15 16 17 Configuration for This board: 18 ============================= 19 20 You can select the configuration as follows: 21 22 - make sh7752evb_config 23 24 25 This board specific command: 26 ============================ 27 28 This board has the following its specific command: 29 30 - write_mac 31 32 33 1. write_mac 34 35 You can write MAC address to SPI ROM. 36 37 Usage 1) Write MAC address 38 39 write_mac [GETHERC ch0] [GETHERC ch1] 40 41 For example) 42 => write_mac 74:90:50:00:33:9e 74:90:50:00:33:9f 43 *) We have to input the command as a single line 44 (without carriage return) 45 *) We have to reset after input the command. 46 47 Usage 2) Show current data 48 49 write_mac 50 51 For example) 52 => write_mac 53 GETHERC ch0 = 74:90:50:00:33:9e 54 GETHERC ch1 = 74:90:50:00:33:9f 55 56 57 Update SPI ROM: 58 ============================ 59 60 1. Copy u-boot image to RAM area. 61 2. Probe SPI device. 62 => sf probe 0 63 SF: Detected MX25L6405D with page size 64KiB, total 8 MiB 64 3. Erase SPI ROM. 65 => sf erase 0 80000 66 4. Write u-boot image to SPI ROM. 67 => sf write 0x48000000 0 80000 68
