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diff --git a/board/renesas/sh7785lcr/README.sh7785lcr b/board/renesas/sh7785lcr/README.sh7785lcr new file mode 100644 index 0000000..56455fc --- /dev/null +++ b/board/renesas/sh7785lcr/README.sh7785lcr @@ -0,0 +1,123 @@ +======================================== +Renesas Technology R0P7785LC0011RL board +======================================== + +This board specification: +========================= + +The R0P7785LC0011RL(board config name:sh7785lcr) has the following device: + + - SH7785 (SH-4A) + - DDR2-SDRAM 512MB + - NOR Flash 64MB + - 2D Graphic controller + - SATA controller + - Ethernet controller + - USB host/peripheral controller + - SD controller + - I2C controller + - RTC + +This board has 2 physical memory maps. It can be changed with DIP switch(S2-5). + + phys address | S2-5 = OFF | S2-5 = ON + -------------------------------+---------------+--------------- + 0x00000000 - 0x03ffffff(CS0) | NOR Flash | NOR Flash + 0x04000000 - 0x05ffffff(CS1) | PLD | PLD + 0x06000000 - 0x07ffffff(CS1) | reserved | I2C + 0x08000000 - 0x0bffffff(CS2) | USB | DDR SDRAM + 0x0c000000 - 0x0fffffff(CS3) | SD | DDR SDRAM + 0x10000000 - 0x13ffffff(CS4) | SM107 | SM107 + 0x14000000 - 0x17ffffff(CS5) | I2C | USB + 0x18000000 - 0x1bffffff(CS6) | reserved | SD + 0x40000000 - 0x5fffffff | DDR SDRAM | (cannot use) + + +configuration for This board: +============================= + +You can choose configuration as follows: + + - make sh7785lcr_config + - make sh7785lcr_32bit_config + +When you use "make sh7785lcr_config", there is build U-Boot for 29-bit +address mode. This mode can use 128MB DDR-SDRAM. + +When you use "make sh7785lcr_32bit_config", there is build U-Boot for 32-bit +extended address mode. This mode can use 384MB DDR-SDRAM. And if you run +"pmb" command, this mode can use 512MB DDR-SDRAM. + + * 32-bit extended address mode PMB mapping * + a) on start-up + virt | phys | size | device + -------------+---------------+---------------+--------------- + 0x88000000 | 0x48000000 | 384MB | DDR-SDRAM (Cacheable) + 0xa0000000 | 0x00000000 | 64MB | NOR Flash + 0xa4000000 | 0x04000000 | 16MB | PLD + 0xa6000000 | 0x08000000 | 16MB | USB + 0xa8000000 | 0x48000000 | 384MB | DDR-SDRAM (Non-cacheable) + + b) after "pmb" command + virt | phys | size | device + -------------+---------------+---------------+--------------- + 0x80000000 | 0x40000000 | 512MB | DDR-SDRAM (Cacheable) + 0xa0000000 | 0x40000000 | 512MB | DDR-SDRAM (Non-cacheable) + + +This board specific command: +============================ + +This board has the following its specific command: + + - hwtest + - printmac + - setmac + - pmb (sh7785lcr_32bit_config only) + + +1. hwtest + +This is self-check command. This command has the following options: + + - all : test all hardware + - pld : output PLD version + - led : turn on LEDs + - dipsw : test DIP switch + - sm107 : output SM107 version + - net : check RTL8110 ID + - sata : check SiI3512 ID + - net : output PCI slot device ID + +i.e) +=> hwtest led +turn on LEDs 3, 5, 7, 9 +turn on LEDs 4, 6, 8, 10 + +=> hwtest net +Ethernet OK + + +2. printmac + +This command outputs MAC address of this board. + +i.e) +=> printmac +MAC = 00:00:87:**:**:** + + +3. setmac + +This command writes MAC address of this board. + +i.e) +=> setmac 00:00:87:**:**:** + + +4. pmb + +This command change PMB for DDR-SDRAM all mapping. However you cannot use +NOR Flash and USB Host on U-Boot when you run this command. +i.e) +=> pmb |