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author | wdenk <wdenk> | 2003-12-06 19:49:23 +0000 |
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committer | wdenk <wdenk> | 2003-12-06 19:49:23 +0000 |
commit | a8c7c708a9e0051c6358718c53572a4681eaa22b (patch) | |
tree | b560561c91725eb2f86289da61ee676787419e37 /README | |
parent | fa1399ed127c8be507bf182dc7d8d61a54938d79 (diff) | |
download | u-boot-a8c7c708a9e0051c6358718c53572a4681eaa22b.zip u-boot-a8c7c708a9e0051c6358718c53572a4681eaa22b.tar.gz u-boot-a8c7c708a9e0051c6358718c53572a4681eaa22b.tar.bz2 |
* Patch by Gleb Natapov, 19 Sep 2003:
Move most of the timer interrupt related PPC code to ppc_lib/interrupts.c
* Patch by Anders Larsen, 17 Sep 2003:
Bring ARM memory layout in sync with the documentation:
stack and malloc-heap are now located _below_ the U-Boot code
Diffstat (limited to 'README')
-rw-r--r-- | README | 19 |
1 files changed, 16 insertions, 3 deletions
@@ -1353,7 +1353,7 @@ The following options need to be configured: of the backslashes before semicolons and special symbols. -- Default Environment +- Default Environment: CONFIG_EXTRA_ENV_SETTINGS Define this to contain any number of null terminated @@ -1379,14 +1379,14 @@ The following options need to be configured: the environment like the autoscript function or the boot command first. -- DataFlash Support +- DataFlash Support: CONFIG_HAS_DATAFLASH Defining this option enables DataFlash features and allows to read/write in Dataflash via the standard commands cp, md... -- Show boot progress +- Show boot progress: CONFIG_SHOW_BOOT_PROGRESS Defining this option allows to add some board- @@ -1466,6 +1466,19 @@ Modem Support: Enables debugging stuff (char screen[1024], dbg()) for modem support. Useful only with BDI2000. +- Interrupt support (PPC): + + There are common interrupt_init() and timer_interrupt() + for all PPC archs. interrupt_init() calls interrupt_init_cpu() + for cpu specific initialization. interrupt_init_cpu() + should set decrementer_count to appropriate value. If + cpu resets decrementer automatically after interrupt + (ppc4xx) it should set decrementer_count to zero. + timer_interrupt() calls timer_interrupt_cpu() for cpu + specific handling. If board has watchdog / status_led + / other_activity_monitor it works automatically from + general timer_interrupt(). + - General: In the target system modem support is enabled when a |