reading GPIO registers in RAM July 05, 2015 12:11PM |
Registered: 8 years ago Posts: 298 |
Re: reading GPIO registers in RAM July 05, 2015 04:18PM |
Admin Registered: 13 years ago Posts: 18,575 |
Re: reading GPIO registers in RAM July 05, 2015 06:32PM |
Admin Registered: 13 years ago Posts: 18,575 |
md 0xF1010100
mw 0xF1010100 0 M
Re: reading GPIO registers in RAM July 07, 2015 01:36AM |
Registered: 8 years ago Posts: 298 |
Re: reading GPIO registers in RAM July 07, 2015 10:07AM |
Admin Registered: 13 years ago Posts: 18,575 |
Re: reading GPIO registers in RAM July 08, 2015 05:56PM |
Registered: 8 years ago Posts: 298 |
__ __ _ _ | \/ | __ _ _ ____ _____| | | | |\/| |/ _` | '__\ \ / / _ \ | | | | | | (_| | | \ V / __/ | | |_| |_|\__,_|_| \_/ \___|_|_| _ _ ____ _ | | | | | __ ) ___ ___ | |_ | | | |___| _ \ / _ \ / _ \| __| | |_| |___| |_) | (_) | (_) | |_ \___/ |____/ \___/ \___/ \__| ** MARVELL BOARD: DB-88F6282A-BP LE U-Boot 1.1.4 (Jul 18 2013 - 10:47:29) Marvell version: 3.5.9 U-Boot code: 00600000 -> 0067FFF0 BSS: -> 006CFB00 Soc: 88F6282 A1CPU running @ 1600Mhz L2 running @ 533Mhz SysClock = 533Mhz , TClock = 200Mhz DRAM (DDR3) CAS Latency = 7 tRP = 8 tRAS = 24 tRCD=8 DRAM CS[0] base 0x00000000 size 512MB DRAM Total size 512MB 16bit width Addresses 10M - 0M are saved for the U-Boot usage. Mem malloc Initialization (10M - 7M): Done NAND:128 MB Flash: 0 kB CPU : Marvell Feroceon (Rev 1) Kernel address is 0xc80000. Streaming disabled Write allocate disabled USB 0: host mode [BlueDBG] reseting SoC Pex[0] 0 ... PEX 0: PCI Express Root Complex Interface PEX interface detected Link X1 [BlueDBG] reseting SoC Pex[1] 0 ... [BlueDBG] reseting SoC Pex[1] 1 ... [BlueDBG] reseting SoC Pex[1] 2 ... [BlueDBG] reseting SoC Pex[1] 3 ... [BlueDBG] reseting SoC Pex[1] 4 ... [BlueDBG] reseting SoC Pex[1] 5 ... [BlueDBG] reseting SoC Pex[1] 6 ... [BlueDBG] reseting SoC Pex[1] 7 ... [BlueDBG] reseting SoC Pex[1] 8 ... [BlueDBG] reseting SoC Pex[1] 9 ... [BlueDBG] reseting SoC Pex[1] 10 ... PEX 1: interface detected no Link. Net: egiga0 [PRIME] Hit any key to stop autoboot: 2 1 0 Marvell>> a ######waited 30 seconds, no reboot Marvell>> md 0xF1010100 f1010100: 00004000 00000000 00000000 00000000 .@.............. f1010110: 00004000 cfd35f35 00000000 00000000 .@..5_.......... f1010120: 00000000 00000000 00000000 00000000 ................ f1010130: 00000000 00000000 00000000 00000000 ................ f1010140: 00000000 00000000 00000000 00000040 ............@... f1010150: 00000040 0002007d 00000000 00000000 @...}........... f1010160: 00000000 00000000 00000000 00000000 ................ f1010170: 00000000 00000000 00000000 00000000 ................ f1010180: 00000000 00000000 00000000 00000000 ................ f1010190: 00000000 00000000 00000000 00000000 ................ f10101a0: 00000000 00000000 00000000 00000000 ................ f10101b0: 00000000 00000000 00000000 00000000 ................ f10101c0: 00000000 00000000 00000000 00000000 ................ f10101d0: 00000000 00000000 00000000 00000000 ................ f10101e0: 00000000 00000000 00000000 00000000 ................ f10101f0: 00000000 00000000 00000000 00000000 ................ Marvell>> mw 0xf1010100 0x4000 ####Writing "mw 0xF1010100 0 0x4000" was not working #### waited 30 seconds again. No signs of anything. Marvell>> reset __ __ _ _ | \/ | __ _ _ ____ _____| | | | |\/| |/ _` | '__\ \ / / _ \ | | | | | | (_| | | \ V / __/ | | |_| |_|\__,_|_| \_/ \___|_|_| _ _ ____ _ | | | | | __ ) ___ ___ | |_ | | | |___| _ \ / _ \ / _ \| __| | |_| |___| |_) | (_) | (_) | |_ \___/ |____/ \___/ \___/ \__| ** MARVELL BOARD: DB-88F6282A-BP LE U-Boot 1.1.4 (Jul 18 2013 - 10:47:29) Marvell version: 3.5.9 U-Boot code: 00600000 -> 0067FFF0 BSS: -> 006CFB00 Soc: 88F6282 A1CPU running @ 1600Mhz L2 running @ 800Mhz SysClock = 533Mhz , TClock = 200Mhz DRAM (DDR3) CAS Latency = 7 tRP = 8 tRAS = 24 tRCD=8 DRAM CS[0] base 0x00000000 size 512MB DRAM Total size 512MB 16bit width Addresses 10M - 0M are saved for the U-Boot usage. Mem malloc Initialization (10M - 7M): Done NAND:128 MB Flash: 0 kB CPU : Marvell Feroceon (Rev 1) Kernel address is 0xc80000. Streaming disabled Write allocate disabled USB 0: host mode [BlueDBG] reseting SoC Pex[0] 0 ... PEX 0: PCI Express Root Complex Interface PEX interface detected Link X1 [BlueDBG] reseting SoC Pex[1] 0 ... [BlueDBG] reseting SoC Pex[1] 1 ... [BlueDBG] reseting SoC Pex[1] 2 ... [BlueDBG] reseting SoC Pex[1] 3 ... [BlueDBG] reseting SoC Pex[1] 4 ... [BlueDBG] reseting SoC Pex[1] 5 ... [BlueDBG] reseting SoC Pex[1] 6 ... [BlueDBG] reseting SoC Pex[1] 7 ... [BlueDBG] reseting SoC Pex[1] 8 ... [BlueDBG] reseting SoC Pex[1] 9 ... [BlueDBG] reseting SoC Pex[1] 10 ... PEX 1: interface detected no Link. Net: egiga0 [PRIME] Hit any key to stop autoboot: 2 1 0 Marvell>> md f1010100 f1010100: 00004000 00000000 00000000 00000000 .@.............. f1010110: 00004000 cfd35f35 00000000 00000000 .@..5_.......... f1010120: 00000000 00000000 00000000 00000000 ................ f1010130: 00000000 00000000 00000000 00000000 ................ f1010140: 00000000 00000000 00000000 00000040 ............@... f1010150: 00000040 0002007d 00000000 00000000 @...}........... f1010160: 00000000 00000000 00000000 00000000 ................ f1010170: 00000000 00000000 00000000 00000000 ................ f1010180: 00000000 00000000 00000000 00000000 ................ f1010190: 00000000 00000000 00000000 00000000 ................ f10101a0: 00000000 00000000 00000000 00000000 ................ f10101b0: 00000000 00000000 00000000 00000000 ................ f10101c0: 00000000 00000000 00000000 00000000 ................ f10101d0: 00000000 00000000 00000000 00000000 ................ f10101e0: 00000000 00000000 00000000 00000000 ................ f10101f0: 00000000 00000000 00000000 00000000 ................ ###########let's try zeroing the GPIO Marvell>> mw f1010100 0x00 #######waited 30 seconds, nothing happens. Marvell>> md f1010100 f1010100: 00000000 00000000 00000000 00000000 ................ f1010110: 00000000 cfd35f35 00000000 00000000 ....5_.......... f1010120: 00000000 00000000 00000000 00000000 ................ f1010130: 00000000 00000000 00000000 00000000 ................ f1010140: 00000000 00000000 00000000 00000040 ............@... f1010150: 00000040 0002007d 00000000 00000000 @...}........... f1010160: 00000000 00000000 00000000 00000000 ................ f1010170: 00000000 00000000 00000000 00000000 ................ f1010180: 00000000 00000000 00000000 00000000 ................ f1010190: 00000000 00000000 00000000 00000000 ................ f10101a0: 00000000 00000000 00000000 00000000 ................ f10101b0: 00000000 00000000 00000000 00000000 ................ f10101c0: 00000000 00000000 00000000 00000000 ................ f10101d0: 00000000 00000000 00000000 00000000 ................ f10101e0: 00000000 00000000 00000000 00000000 ................ f10101f0: 00000000 00000000 00000000 00000000 ................ ########yep, the change went through. ######## sending the GPIO again Marvell>> mw f1010100 0x4000 ######## waiting 30 seconds, nothing happens. Marvell>> md f1010100 f1010100: 00004000 00000000 00000000 00000000 .@.............. f1010110: 00004000 cfd35f35 00000000 00000000 .@..5_.......... f1010120: 00000000 00000000 00000000 00000000 ................ f1010130: 00000000 00000000 00000000 00000000 ................ f1010140: 00000000 00000000 00000000 00000040 ............@... f1010150: 00000040 0002007d 00000000 00000000 @...}........... f1010160: 00000000 00000000 00000000 00000000 ................ f1010170: 00000000 00000000 00000000 00000000 ................ f1010180: 00000000 00000000 00000000 00000000 ................ f1010190: 00000000 00000000 00000000 00000000 ................ f10101a0: 00000000 00000000 00000000 00000000 ................ f10101b0: 00000000 00000000 00000000 00000000 ................ f10101c0: 00000000 00000000 00000000 00000000 ................ f10101d0: 00000000 00000000 00000000 00000000 ................ f10101e0: 00000000 00000000 00000000 00000000 ................ f10101f0: 00000000 00000000 00000000 00000000 ................ ###########Doing it again and rebooting Marvell>> mw f1010100 0x00 Marvell>> md f1010100 f1010100: 00000000 00000000 00000000 00000000 ................ f1010110: 00000000 cfd35f35 00000000 00000000 ....5_.......... f1010120: 00000000 00000000 00000000 00000000 ................ f1010130: 00000000 00000000 00000000 00000000 ................ f1010140: 00000000 00000000 00000000 00000040 ............@... f1010150: 00000040 0002007d 00000000 00000000 @...}........... f1010160: 00000000 00000000 00000000 00000000 ................ f1010170: 00000000 00000000 00000000 00000000 ................ f1010180: 00000000 00000000 00000000 00000000 ................ f1010190: 00000000 00000000 00000000 00000000 ................ f10101a0: 00000000 00000000 00000000 00000000 ................ f10101b0: 00000000 00000000 00000000 00000000 ................ f10101c0: 00000000 00000000 00000000 00000000 ................ f10101d0: 00000000 00000000 00000000 00000000 ................ f10101e0: 00000000 00000000 00000000 00000000 ................ f10101f0: 00000000 00000000 00000000 00000000 ................ Marvell>> reset ΓΌ __ __ _ _ | \/ | __ _ _ ____ _____| | | | |\/| |/ _` | '__\ \ / / _ \ | | | | | | (_| | | \ V / __/ | | |_| |_|\__,_|_| \_/ \___|_|_| _ _ ____ _ | | | | | __ ) ___ ___ | |_ | | | |___| _ \ / _ \ / _ \| __| | |_| |___| |_) | (_) | (_) | |_ \___/ |____/ \___/ \___/ \__| ** MARVELL BOARD: DB-88F6282A-BP LE U-Boot 1.1.4 (Jul 18 2013 - 10:47:29) Marvell version: 3.5.9 U-Boot code: 00600000 -> 0067FFF0 BSS: -> 006CFB00 Soc: 88F6282 A1CPU running @ 1600Mhz L2 running @ 800Mhz SysClock = 533Mhz , TClock = 200Mhz DRAM (DDR3) CAS Latency = 7 tRP = 8 tRAS = 24 tRCD=8 DRAM CS[0] base 0x00000000 size 512MB DRAM Total size 512MB 16bit width Addresses 10M - 0M are saved for the U-Boot usage. Mem malloc Initialization (10M - 7M): Done NAND:128 MB Flash: 0 kB CPU : Marvell Feroceon (Rev 1) Kernel address is 0xc80000. Streaming disabled Write allocate disabled USB 0: host mode [BlueDBG] reseting SoC Pex[0] 0 ... PEX 0: PCI Express Root Complex Interface PEX interface detected Link X1 [BlueDBG] reseting SoC Pex[1] 0 ... [BlueDBG] reseting SoC Pex[1] 1 ... [BlueDBG] reseting SoC Pex[1] 2 ... [BlueDBG] reseting SoC Pex[1] 3 ... [BlueDBG] reseting SoC Pex[1] 4 ... [BlueDBG] reseting SoC Pex[1] 5 ... [BlueDBG] reseting SoC Pex[1] 6 ... [BlueDBG] reseting SoC Pex[1] 7 ... [BlueDBG] reseting SoC Pex[1] 8 ... [BlueDBG] reseting SoC Pex[1] 9 ... [BlueDBG] reseting SoC Pex[1] 10 ... PEX 1: interface detected no Link. Net: egiga0 [PRIME] Hit any key to stop autoboot: 2 1 0 Marvell>> a ######## waiting for 30 seconds, nothing happens. Marvell>> md f1010100 f1010100: 00004000 00000000 00000000 00000000 .@.............. f1010110: 00004000 cfd35f35 00000000 00000000 .@..5_.......... f1010120: 00000000 00000000 00000000 00000000 ................ f1010130: 00000000 00000000 00000000 00000000 ................ f1010140: 00000000 00000000 00000000 00000040 ............@... f1010150: 00000040 0002007d 00000000 00000000 @...}........... f1010160: 00000000 00000000 00000000 00000000 ................ f1010170: 00000000 00000000 00000000 00000000 ................ f1010180: 00000000 00000000 00000000 00000000 ................ f1010190: 00000000 00000000 00000000 00000000 ................ f10101a0: 00000000 00000000 00000000 00000000 ................ f10101b0: 00000000 00000000 00000000 00000000 ................ f10101c0: 00000000 00000000 00000000 00000000 ................ f10101d0: 00000000 00000000 00000000 00000000 ................ f10101e0: 00000000 00000000 00000000 00000000 ................ f10101f0: 00000000 00000000 00000000 00000000 ................ Marvell>> ######### yep, the GPIO is set again by the u-boot.
Re: reading GPIO registers in RAM July 08, 2015 06:35PM |
Admin Registered: 13 years ago Posts: 18,575 |
Re: reading GPIO registers in RAM July 08, 2015 07:52PM |
Registered: 8 years ago Posts: 298 |
Re: reading GPIO registers in RAM July 10, 2015 07:05PM |
Admin Registered: 13 years ago Posts: 18,575 |
Re: reading GPIO registers in RAM July 22, 2015 10:27PM |
Admin Registered: 13 years ago Posts: 18,575 |
Re: reading GPIO registers in RAM July 23, 2015 08:10AM |
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Re: reading GPIO registers in RAM July 23, 2015 05:12PM |
Admin Registered: 13 years ago Posts: 18,575 |