diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.generic_usb_ohci | 60 | ||||
| -rw-r--r-- | doc/README.mpc8323erdb | 71 | ||||
| -rw-r--r-- | doc/README.mpc8360emds | 23 | ||||
| -rw-r--r-- | doc/README.mpc83xx.ddrecc (renamed from doc/README.mpc8349emds.ddrecc) | 60 |
4 files changed, 183 insertions, 31 deletions
diff --git a/doc/README.generic_usb_ohci b/doc/README.generic_usb_ohci new file mode 100644 index 0000000..c343dfd --- /dev/null +++ b/doc/README.generic_usb_ohci @@ -0,0 +1,60 @@ +Notes on the the generic USB-OHCI driver +======================================== + +This driver (drivers/usb_ohci.[ch]) is the result of the merge of +various existing OHCI drivers that were basically identical beside +cpu/board dependant initalization. This initalization has been moved +into cpu/board directories and are called via the hooks below. + +Configuration options +---------------------- + + CONFIG_USB_OHCI_NEW: enable the new OHCI driver + + CFG_USB_OHCI_BOARD_INIT: call the board dependant hooks: + + - extern int usb_board_init(void); + - extern int usb_board_stop(void); + - extern int usb_cpu_init_fail(void); + + CFG_USB_OHCI_CPU_INIT: call the cpu dependant hooks: + + - extern int usb_cpu_init(void); + - extern int usb_cpu_stop(void); + - extern int usb_cpu_init_fail(void); + + CFG_USB_OHCI_REGS_BASE: defines the base address of the OHCI + registers + + CFG_USB_OHCI_SLOT_NAME: slot name + + CFG_USB_OHCI_MAX_ROOT_PORTS: maximal number of ports of the + root hub. + + +Endianness issues +------------------ + +The USB bus operates in little endian, but unfortunately there are +OHCI controllers that operate in big endian such as ppc4xx and +mpc5xxx. For these the config option + + CFG_OHCI_BE_CONTROLLER + +needs to be defined. + + +PCI Controllers +---------------- + +You'll need to define + + CONFIG_PCI_OHCI + +PCI Controllers need to do byte swapping on register accesses, so they +should to define: + + CFG_OHCI_SWAP_REG_ACCESS + + + diff --git a/doc/README.mpc8323erdb b/doc/README.mpc8323erdb new file mode 100644 index 0000000..6f89829 --- /dev/null +++ b/doc/README.mpc8323erdb @@ -0,0 +1,71 @@ +Freescale MPC8323ERDB Board +----------------------------------------- + +1. Memory Map + The memory map looks like this: + + 0x0000_0000 0x03ff_ffff DDR 64M + 0x8000_0000 0x8fff_ffff PCI MEM 256M + 0x9000_0000 0x9fff_ffff PCI_MMIO 256M + 0xe000_0000 0xe00f_ffff IMMR 1M + 0xd000_0000 0xd3ff_ffff PCI IO 64M + 0xfe00_0000 0xfeff_ffff NOR FLASH (CS0) 16M + +2. Compilation + + Assuming you're using BASH (or similar) as your shell: + + export CROSS_COMPILE=your-cross-compiler-prefix- + make distclean + make MPC8323ERDB_config + make + +3. Downloading and Flashing Images + +3.1 Reflash U-boot Image using U-boot + + N.b, have an alternate means of programming + the flash available if the new u-boot doesn't boot. + + First try a: + + tftpboot $loadaddr $uboot + + to make sure that the TFTP load will succeed before + an erase goes ahead and wipes out your current firmware. + Then do a: + + run tftpflash + + which is a shorter version of the manual sequence: + + tftp $loadaddr u-boot.bin + protect off fe000000 +$filesize + erase fe000000 +$filesize + cp.b $loadaddr fe000000 $filesize + + To keep your old u-boot's environment variables, do a: + + saveenv + + prior to resetting the board. + +3.2 Downloading and Booting Linux Kernel + + Ensure that all networking-related environment variables are set + properly (including ipaddr, serverip, gatewayip (if needed), + netmask, ethaddr, eth1addr, rootpath (if using NFS root), + fdtfile, and bootfile). + + Then, do one of the following, depending on whether you + want an NFS root or a ramdisk root: + + run nfsboot + + or + + run ramboot + +4 Notes + + The console baudrate for MPC8323ERDB is 115200bps. diff --git a/doc/README.mpc8360emds b/doc/README.mpc8360emds index c87469f..5f20247 100644 --- a/doc/README.mpc8360emds +++ b/doc/README.mpc8360emds @@ -21,7 +21,13 @@ Freescale MPC8360EMDS Board SW3[1:8]= 0000_0001 refers to bits labeled 1 through 6 is set as "On" and bits labeled 8 is set as "Off". -1.1 For the MPC8360E PB PROTO Board +1.1 There are three type boards for MPC8360E silicon up to now, They are + + * MPC8360E-MDS-PB PROTO (a.k.a 8360SYS PROTOTYPE) + * MPC8360E-MDS-PB PILOT (a.k.a 8360SYS PILOT) + * MPC8360EA-MDS-PB PROTO (a.k.a 8360SYS2 PROTOTYPE) + +1.2 For all the MPC8360EMDS Board First, make sure the board default setting is consistent with the document shipped with your board. Then apply the following setting: @@ -33,6 +39,21 @@ Freescale MPC8360EMDS Board JP6 1-2 on board Oscillator: 66M +1.3 Since different board/chip rev. combinations have AC timing issues, + u-boot forces RGMII-ID (RGMII with Internal Delay) mode on by default + by the patch (mpc83xx: Disable G1TXCLK, G2TXCLK h/w buffers). + + When the rev2.x silicon mount on these boards, and if you are using + u-boot version after this patch, to make the ethernet interfaces usable, + and to enable RGMII-ID on your board, you have to setup the jumpers + correctly. + + * MPC8360E-MDS-PB PROTO + nothing to do + * MPC8360E-MDS-PB PILOT + JP9 and JP8 should be ON + * MPC8360EA-MDS-PB PROTO + JP2 and JP3 should be ON 2. Memory Map diff --git a/doc/README.mpc8349emds.ddrecc b/doc/README.mpc83xx.ddrecc index eb249c3..0029f08 100644 --- a/doc/README.mpc8349emds.ddrecc +++ b/doc/README.mpc83xx.ddrecc @@ -15,10 +15,10 @@ IMPORTANT NOTICE: enabling injecting multiple-bit errors is potentially dangerous as such errors are NOT corrected by the controller. Therefore caution should be taken when enabling the injection of multiple-bit errors: it is only safe when used on a carefully selected memory area and used under control of -the 'ecc test' command (see example 'Injecting Multiple-Bit Errors' below). In -particular, when you simply set the multiple-bit errors in inject mask and -enable injection, U-Boot is very likely to hang quickly as the errors will be -injected when it accesses its code, data etc. +the 'ecc testdw' 'ecc testword' command (see example 'Injecting Multiple-Bit +Errors' below). In particular, when you simply set the multiple-bit errors in +inject mask and enable injection, U-Boot is very likely to hang quickly as the +errors will be injected when it accesses its code, data etc. Use cases for DDR 'ecc' command: @@ -40,7 +40,7 @@ Injecting Single-Bit Errors 2. Run test over some memory region -=> ecc test 200000 10 +=> ecc testdw 200000 10 3. Check ECC status @@ -61,57 +61,57 @@ Memory Error Detect: 16 errors were generated, Single-Bit Error flag was not set as Single Bit Error Counter did not reach Single-Bit Error Threshold. -4. Make sure used memory region got re-initialized with 0xcafecafe pattern +4. Make sure used memory region got re-initialized with 0x0123456789abcdef => md 200000 -00200000: cafecafe cafecafe cafecafe cafecafe ................ -00200010: cafecafe cafecafe cafecafe cafecafe ................ -00200020: cafecafe cafecafe cafecafe cafecafe ................ -00200030: cafecafe cafecafe cafecafe cafecafe ................ -00200040: cafecafe cafecafe cafecafe cafecafe ................ -00200050: cafecafe cafecafe cafecafe cafecafe ................ -00200060: cafecafe cafecafe cafecafe cafecafe ................ -00200070: cafecafe cafecafe cafecafe cafecafe ................ +00200000: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200010: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200020: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200030: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200040: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200050: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200060: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200070: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... 00200080: deadbeef deadbeef deadbeef deadbeef ................ 00200090: deadbeef deadbeef deadbeef deadbeef ................ - Injecting Multiple-Bit Errors ----------------------------- 1. Set more than 1 bit in Data Path Error Inject Mask -=> ecc injectdatahi 5 +=> ecc injectdatahi 1 +=> ecc injectdatalo 1 2. Run test over some memory region -=> ecc test 200000 10 +=> ecc testword 200000 1 3. Check ECC status => ecc status ... -Memory Data Path Error Injection Mask High/Low: 00000005 00000000 +Memory Data Path Error Injection Mask High/Low: 00000001 00000001 ... Memory Error Detect: - Multiple Memory Errors: 1 + Multiple Memory Errors: 0 Multiple-Bit Error: 1 Single-Bit Error: 0 ... -Observe that both Multiple Memory Errors and Multiple-Bit Error flags are set. +The Multiple Memory Errors flags not set and Multiple-Bit Error flags are set. -4. Make sure used memory region got re-initialized with 0xcafecafe pattern +4. Make sure used memory region got re-initialized with 0x0123456789abcdef => md 200000 -00200000: cafecafe cafecafe cafecafe cafecafe ................ -00200010: cafecafe cafecafe cafecafe cafecafe ................ -00200020: cafecafe cafecafe cafecafe cafecafe ................ -00200030: cafecafe cafecafe cafecafe cafecafe ................ -00200040: cafecafe cafecafe cafecafe cafecafe ................ -00200050: cafecafe cafecafe cafecafe cafecafe ................ -00200060: cafecafe cafecafe cafecafe cafecafe ................ -00200070: cafecafe cafecafe cafecafe cafecafe ................ +00200000: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200010: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200020: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200030: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200040: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200050: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200060: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... +00200070: 01234567 89abcdef 01234567 89abcdef .#Eg.....#Eg.... 00200080: deadbeef deadbeef deadbeef deadbeef ................ 00200090: deadbeef deadbeef deadbeef deadbeef ................ @@ -140,7 +140,7 @@ Test Single-Bit Error Counter and Threshold ... Memory Single-Bit Error Management (0..255): Single-Bit Error Threshold: 255 - Single Bit Error Counter: 60 + Single Bit Error Counter: 199 Memory Error Detect: Multiple Memory Errors: 1 |