[U-Boot] [PATCH 4/6 v2] powerpc/corenet_ds: Update README and README.srio-pcie-boot-corenet
Liu Gang
Gang.Liu at freescale.com
Thu Aug 9 17:10:01 CEST 2012
Added descriptions about boot from PCIE in the files README and
doc/README.srio-pcie-boot-corenet, and changed the name of the
doc/README.srio-boot-corenet to doc/README.srio-pcie-boot-corenet.
Signed-off-by: Liu Gang <Gang.Liu at freescale.com>
---
Changes in v2:
- No.
README | 12 ++--
doc/README.srio-boot-corenet | 99 --------------------------------
doc/README.srio-pcie-boot-corenet | 112 +++++++++++++++++++++++++++++++++++++
3 files changed, 118 insertions(+), 105 deletions(-)
delete mode 100644 doc/README.srio-boot-corenet
create mode 100644 doc/README.srio-pcie-boot-corenet
diff --git a/README b/README
index fb9d904..81ee7d4 100644
--- a/README
+++ b/README
@@ -3092,12 +3092,12 @@ to save the current settings.
These two #defines specify the address and size of the
environment area within the remote memory space. The
local device can get the environment from remote memory
- space by SRIO or other links.
+ space by SRIO or PCIE links.
BE CAREFUL! For some special cases, the local device can not use
"saveenv" command. For example, the local device will get the
-environment stored in a remote NOR flash by SRIO link, but it can
-not erase, write this NOR flash by SRIO interface.
+environment stored in a remote NOR flash by SRIO or PCIE link,
+but it can not erase, write this NOR flash by SRIO or PCIE interface.
- CONFIG_ENV_IS_IN_NAND:
@@ -3538,9 +3538,9 @@ within that device.
- CONFIG_SYS_QE_FMAN_FW_IN_REMOTE
Specifies that QE/FMAN firmware is located in the remote (master)
memory space. CONFIG_SYS_FMAN_FW_ADDR is a virtual address which
- can be mapped from slave TLB->slave LAW->slave SRIO outbound window
- ->master inbound window->master LAW->the ucode address in master's
- NOR flash.
+ can be mapped from slave TLB->slave LAW->slave SRIO or PCIE outbound
+ window->master inbound window->master LAW->the ucode address in
+ master's memory space.
Building the Software:
======================
diff --git a/doc/README.srio-boot-corenet b/doc/README.srio-boot-corenet
deleted file mode 100644
index 6a13e9c..0000000
--- a/doc/README.srio-boot-corenet
+++ /dev/null
@@ -1,99 +0,0 @@
-------------------------------
-SRIO Boot on Corenet Platforms
-------------------------------
-
-For some PowerPC processors with SRIO interface, boot location can be configured
-to SRIO by RCW. The processor booting from SRIO can do without flash for u-boot
-image, ucode and ENV. All the images can be fetched from another processor's
-memory space by SRIO link connected between them.
-
-This document describes the processes based on an example implemented on P4080DS
-platforms and a RCW example with boot from SRIO configuration.
-
-Environment of the SRIO boot:
- a) Master and slave can be SOCs in one board or SOCs in separate boards.
- b) They are connected with SRIO links, whether 1x or 4x, and directly or
- through switch system.
- c) Only Master has NorFlash for booting, and all the Master's and Slave's
- U-Boot images, UCodes will be stored in this flash.
- d) Slave has its own EEPROM for RCW and PBI.
- e) Slave's RCW should configure the SerDes for SRIO boot port, set the boot
- location to SRIO, and holdoff all the cores.
-
- ---------- ----------- -----------
- | | | | | |
- | | | | | |
- | NorFlash|<----->| Master | SRIO | Slave |<---->[EEPROM]
- | | | |<===========>| |
- | | | | | |
- ---------- ----------- -----------
-
-The example based on P4080DS platform:
- Two P4080DS platforms can be used to implement the boot from SRIO. Their SRIO
- ports 1 will be connected directly and will be used for the boot from SRIO.
-
- 1. Slave's RCW example for boot from SRIO port 1 and all cores in holdoff.
- 00000000: aa55 aa55 010e 0100 0c58 0000 0000 0000
- 00000010: 1818 1818 0000 8888 7440 4000 0000 2000
- 00000020: f440 0000 0100 0000 0000 0000 0000 0000
- 00000030: 0000 0000 0083 0000 0000 0000 0000 0000
- 00000040: 0000 0000 0000 0000 0813 8040 063c 778f
-
- 2. Sequence in Step by Step.
- a) Update RCW for slave with boot from SRIO port 1 configuration.
- b) Program slave's U-Boot image, UCode, and ENV parameters into master's
- NorFlash.
- c) Set environment variable "bootmaster" to "SRIO1" and save environment
- for master.
- setenv bootmaster SRIO1
- saveenv
- d) Restart up master and it will boot up normally from its NorFlash.
- Then, it will finish necessary configurations for slave's boot from
- SRIO port 1.
- e) Master will set inbound SRIO windows covered slave's U-Boot image stored
- in master's NorFlash.
- f) Master will set an inbound SRIO window covered slave's UCode and ENV
- stored in master's NorFlash.
- g) Master will set outbound SRIO windows in order to configure slave's
- registers for the core's releasing.
- h) Since all cores of slave in holdoff, slave should be powered on before all
- the above master's steps, and wait to be released by master. In the
- startup phase of the slave from SRIO, it will finish some necessary
- configurations.
- i) Slave will set a specific TLB entry for the boot process.
- j) Slave will set a LAW entry with the TargetID SRIO port 1 for the boot.
- k) Slave will set a specific TLB entry in order to fetch UCode and ENV
- from master.
- l) Slave will set a LAW entry with the TargetID SRIO port 1 for UCode and ENV.
-
-How to use this feature:
- To use this feature, you need to focus those points.
-
- 1. Slave's RCW with SRIO boot configurations, and all cores in holdoff
- configurations.
- Please refer to the examples given above.
-
- 2. U-Boot image's compilation.
- For master, U-Boot image should be generated normally.
-
- For example, master U-Boot image used on P4080DS should be compiled with
-
- make P4080DS_config.
-
- For slave, U-Boot image should be generated specifically by
-
- make xxxx_SRIOBOOT_SLAVE_config.
-
- For example, slave U-Boot image used on P4080DS should be compiled with
-
- make P4080DS_SRIOBOOT_SLAVE_config.
-
- 3. Necessary modifications based on a specific environment.
- For a specific environment, the addresses of the slave's U-Boot image,
- UCode, ENV stored in master's NorFlash, and any other configurations
- can be modified in the file:
- include/configs/corenet_ds.h.
-
- 4. Set and save the environment variable "bootmaster" with "SRIO1" or "SRIO2"
- for master, and then restart it in order to perform the role as a master
- for boot from SRIO.
diff --git a/doc/README.srio-pcie-boot-corenet b/doc/README.srio-pcie-boot-corenet
new file mode 100644
index 0000000..cd7e7ee
--- /dev/null
+++ b/doc/README.srio-pcie-boot-corenet
@@ -0,0 +1,112 @@
+---------------------------------------
+SRIO and PCIE Boot on Corenet Platforms
+---------------------------------------
+
+For some PowerPC processors with SRIO or PCIE interface, boot location can be
+configured to SRIO or PCIE by RCW. The processor booting from SRIO or PCIE can
+do without flash for u-boot image, ucode and ENV. All the images can be fetched
+from another processor's memory space by SRIO or PCIE link connected between
+them.
+
+This document describes the processes based on an example implemented on P4080DS
+platforms and a RCW example with boot from SRIO or PCIE configuration.
+
+Environment of the SRIO or PCIE boot:
+ a) Master and slave can be SOCs in one board or SOCs in separate boards.
+ b) They are connected with SRIO or PCIE links, whether 1x, 2x or 4x, and
+ directly or through switch system.
+ c) Only Master has NorFlash for booting, and all the Master's and Slave's
+ U-Boot images, UCodes will be stored in this flash.
+ d) Slave has its own EEPROM for RCW and PBI.
+ e) Slave's RCW should configure the SerDes for SRIO or PCIE boot port, set
+ the boot location to SRIO or PCIE, and holdoff all the cores.
+
+ ---------- ----------- -----------
+ | | | | | |
+ | | | | | |
+ | NorFlash|<----->| Master |SRIO or PCIE | Slave |<---->[EEPROM]
+ | | | |<===========>| |
+ | | | | | |
+ ---------- ----------- -----------
+
+The example based on P4080DS platform:
+ Two P4080DS platforms can be used to implement the boot from SRIO or PCIE.
+ Their SRIO or PCIE ports 1 will be connected directly and will be used for
+ the boot from SRIO or PCIE.
+
+ 1. Slave's RCW example for boot from SRIO port 1 and all cores in holdoff.
+ 00000000: aa55 aa55 010e 0100 0c58 0000 0000 0000
+ 00000010: 1818 1818 0000 8888 7440 4000 0000 2000
+ 00000020: f440 0000 0100 0000 0000 0000 0000 0000
+ 00000030: 0000 0000 0083 0000 0000 0000 0000 0000
+ 00000040: 0000 0000 0000 0000 0813 8040 063c 778f
+
+ 2. Slave's RCW example for boot from PCIE port 1 and all cores in holdoff.
+ 00000000: aa55 aa55 010e 0100 0c58 0000 0000 0000
+ 00000010: 1818 1818 0000 8888 1440 4000 0000 2000
+ 00000020: f040 0000 0100 0000 0020 0000 0000 0000
+ 00000030: 0000 0000 0083 0000 0000 0000 0000 0000
+ 00000040: 0000 0000 0000 0000 0813 8040 547e ffc9
+
+ 3. Sequence in Step by Step.
+ a) Update RCW for slave with boot from SRIO or PCIE port 1 configuration.
+ b) Program slave's U-Boot image, UCode, and ENV parameters into master's
+ NorFlash.
+ c) Set environment variable "bootmaster" to "SRIO1" or "PCIE1" and save
+ environment for master.
+ setenv bootmaster SRIO1
+ or
+ setenv bootmaster PCIE1
+ saveenv
+ d) Restart up master and it will boot up normally from its NorFlash.
+ Then, it will finish necessary configurations for slave's boot from
+ SRIO or PCIE port 1.
+ e) Master will set inbound SRIO or PCIE windows covered slave's U-Boot
+ image stored in master's NorFlash.
+ f) Master will set an inbound SRIO or PCIE window covered slave's UCode
+ and ENV stored in master's NorFlash.
+ g) Master will set outbound SRIO or PCIE windows in order to configure
+ slave's registers for the core's releasing.
+ h) Since all cores of slave in holdoff, slave should be powered on before
+ all the above master's steps, and wait to be released by master. In the
+ startup phase of the slave from SRIO or PCIE, it will finish some
+ necessary configurations.
+ i) Slave will set a specific TLB entry for the boot process.
+ j) Slave will set a LAW entry with the TargetID SRIO or PCIE port 1 for
+ the boot.
+ k) Slave will set a specific TLB entry in order to fetch UCode and ENV
+ from master.
+ l) Slave will set a LAW entry with the TargetID SRIO or PCIE port 1 for
+ UCode and ENV.
+
+How to use this feature:
+ To use this feature, you need to focus those points.
+
+ 1. Slave's RCW with SRIO or PCIE boot configurations, and all cores in holdoff
+ configurations.
+ Please refer to the examples given above.
+
+ 2. U-Boot image's compilation.
+ For master, U-Boot image should be generated normally.
+
+ For example, master U-Boot image used on P4080DS should be compiled with
+
+ make P4080DS_config.
+
+ For slave, U-Boot image should be generated specifically by
+
+ make xxxx_SRIO_PCIE_BOOT_config.
+
+ For example, slave U-Boot image used on P4080DS should be compiled with
+
+ make P4080DS_SRIO_PCIE_BOOT_config.
+
+ 3. Necessary modifications based on a specific environment.
+ For a specific environment, the addresses of the slave's U-Boot image,
+ UCode, ENV stored in master's NorFlash, and any other configurations
+ can be modified in the file:
+ include/configs/corenet_ds.h.
+
+ 4. Set and save the environment variable "bootmaster" with "SRIO1", "SRIO2"
+ or "PCIE1", "PCIE2", "PCIE3" for master, and then restart it in order to
+ perform the role as a master for boot from SRIO or PCIE.
--
1.7.1
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