summaryrefslogtreecommitdiff
path: root/doc/README.ppc440
diff options
context:
space:
mode:
authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2008-10-16 15:01:15 +0200
committerWolfgang Denk <wd@denx.de>2008-10-18 21:54:03 +0200
commit6d0f6bcf337c5261c08fabe12982178c2c489d76 (patch)
treeae13958ffa9c6b58c2ea97aac07a4ad2f04a350f /doc/README.ppc440
parent71edc271816ec82cf0550dd6980be2da3cc2ad9e (diff)
downloadu-boot-imx-6d0f6bcf337c5261c08fabe12982178c2c489d76.zip
u-boot-imx-6d0f6bcf337c5261c08fabe12982178c2c489d76.tar.gz
u-boot-imx-6d0f6bcf337c5261c08fabe12982178c2c489d76.tar.bz2
rename CFG_ macros to CONFIG_SYS
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'doc/README.ppc440')
-rw-r--r--doc/README.ppc44030
1 files changed, 15 insertions, 15 deletions
diff --git a/doc/README.ppc440 b/doc/README.ppc440
index 2e04aba..0a5f99f 100644
--- a/doc/README.ppc440
+++ b/doc/README.ppc440
@@ -47,25 +47,25 @@ the cpu-specific code (vs. board-specific code), so you should
at least review these before deciding to make any changes ... it
will probably save you some headaches ;-)
-CFG_SDRAM_BASE - The virtual address where SDRAM is mapped (always 0)
+CONFIG_SYS_SDRAM_BASE - The virtual address where SDRAM is mapped (always 0)
-CFG_FLASH_BASE - The virtual address where FLASH is mapped.
+CONFIG_SYS_FLASH_BASE - The virtual address where FLASH is mapped.
-CFG_PCI_MEMBASE - The virtual address where PCI-bus memory is mapped.
+CONFIG_SYS_PCI_MEMBASE - The virtual address where PCI-bus memory is mapped.
This mapping provides access to PCI-bus memory.
-CFG_PERIPHERAL_BASE - The virtual address where the 440 memory-mapped
+CONFIG_SYS_PERIPHERAL_BASE - The virtual address where the 440 memory-mapped
peripherals are mapped. (e.g. -- UART registers, IIC registers, etc).
-CFG_ISRAM_BASE - The virtual address where the 440 internal SRAM is
+CONFIG_SYS_ISRAM_BASE - The virtual address where the 440 internal SRAM is
mapped. The internal SRAM is equivalent to 405gp OCM and is used
for the initial stack.
-CFG_PCI_BASE - The virtual address where the 440 PCI-x bridge config
+CONFIG_SYS_PCI_BASE - The virtual address where the 440 PCI-x bridge config
registers are mapped.
-CFG_PCI_TARGBASE - The PCI address that is mapped to the virtual address
- defined by CFG_PCI_MEMBASE.
+CONFIG_SYS_PCI_TARGBASE - The PCI address that is mapped to the virtual address
+ defined by CONFIG_SYS_PCI_MEMBASE.
UART / SERIAL
@@ -73,7 +73,7 @@ UART / SERIAL
The UART port works fine when an external serial clock is provided
(like the one on the Ebony board) and when using internal clocking.
-This is controlled with the CFG_EXT_SERIAL_CLOCK flag. When using
+This is controlled with the CONFIG_SYS_EXT_SERIAL_CLOCK flag. When using
internal clocking, the "ideal baud rate" settings in the 440GP
user manual are automatically calculated.
@@ -94,7 +94,7 @@ cause problems when a probe (read) is performed (for example the
CDCV850 clock controller at address 0x69 on the ebony board).
To prevent probing certain addresses you can define the
-CFG_I2C_NOPROBES macro in your board-specific header file. When
+CONFIG_SYS_I2C_NOPROBES macro in your board-specific header file. When
defined, all specified addresses are skipped during a probe.
The addresses that are skipped will be displayed in the output
of the iprobe command.
@@ -102,12 +102,12 @@ of the iprobe command.
For example, to prevent probing address 0x69, define the macro as
follows:
-#define CFG_I2C_NOPROBES {0x69}
+#define CONFIG_SYS_I2C_NOPROBES {0x69}
Similarly, to prevent probing addresses 0x69 and 0x70, define the
macro a:
-#define CFG_I2C_NOPROBES {0x69, 0x70}
+#define CONFIG_SYS_I2C_NOPROBES {0x69, 0x70}
DDR SDRAM CONTROLLER
@@ -144,7 +144,7 @@ utilities once you get to the U-Boot command prompt. NOTE: the default
The cpu-specific code sets up a default pci_controller structure
that maps in a single PCI I/O space and PCI memory space. The I/O
space begins at PCI I/O address 0 and the PCI memory space is
-256 MB starting at PCI address CFG_PCI_TARGBASE. After the
+256 MB starting at PCI address CONFIG_SYS_PCI_TARGBASE. After the
pci_controller structure is initialized, the cpu-specific code will
call the routine pci_pre_init(). This routine is implemented by
board-specific code & is where the board can over-ride/extend the
@@ -157,7 +157,7 @@ initialization continues.
The default 440GP PCI target configuration is minimal -- it assumes that
the strapping registers are set as necessary. Since the strapping bits
provide very limited flexibility, you may want to customize the boards
-target configuration. If CFG_PCI_TARGET_INIT is defined, the cpu-specific
+target configuration. If CONFIG_SYS_PCI_TARGET_INIT is defined, the cpu-specific
code will call the routine pci_target_init() which you must implement
in your board-specific code.
@@ -166,7 +166,7 @@ initializing the subsystem id and subsystem vendor id, and then ensuring
that the 'enable host configuration' bit in the PCIX0_BRDGOPT2 is set.
The default PCI master initialization maps in 256 MB of pci memory
-starting at PCI address CFG_PCI_MEMBASE. To customize this, define
+starting at PCI address CONFIG_SYS_PCI_MEMBASE. To customize this, define
PCI_MASTER_INIT. This will call the routine pci_master_init() in your
board-specific code rather than performing the default master
initialization.