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authorwdenk <wdenk>2002-03-08 21:31:05 +0000
committerwdenk <wdenk>2002-03-08 21:31:05 +0000
commit012771d88adfb5e0886591880041f05fc8b15bdd (patch)
tree9cd947b8b4c6f05cff5be1b69a0f1ca81b2c86ec /board/evb64260/bootseq.txt
parent67fc21f34ef642417e7418a0575d5b5ff70d77d8 (diff)
downloadu-boot-linaro-stable-012771d88adfb5e0886591880041f05fc8b15bdd.tar.gz
Initial revision
Diffstat (limited to 'board/evb64260/bootseq.txt')
-rw-r--r--board/evb64260/bootseq.txt94
1 files changed, 94 insertions, 0 deletions
diff --git a/board/evb64260/bootseq.txt b/board/evb64260/bootseq.txt
new file mode 100644
index 000000000..648c2ff79
--- /dev/null
+++ b/board/evb64260/bootseq.txt
@@ -0,0 +1,94 @@
+(cpu/mpc7xxx/start.S)
+
+start:
+ b boot_cold
+
+start_warm:
+ b boot_warm
+
+
+boot_cold:
+boot_warm:
+ clear bats
+ init l2 (if enabled)
+ init altivec (if enabled)
+ invalidate l2 (if enabled)
+ setup bats (from defines in config_EVB)
+ enable_addr_trans: (if MMU enabled)
+ enable MSR_IR and MSR_DR
+ jump to in_flash
+
+in_flash:
+ enable l1 dcache
+ gal_low_init: (board/evb64260/sdram_init.S)
+ config SDRAM (CFG, TIMING, DECODE)
+ init scratch regs (810 + 814)
+
+ detect DIMM0 (bank 0 only)
+ config SDRAM_PARA0 to 256/512Mbit
+ bl sdram_op_mode
+ detect bank0 width
+ write scratch reg 810
+ config SDRAM_PARA0 with results
+ config SDRAM_PARA1 with results
+
+ detect DIMM1 (bank 2 only)
+ config SDRAM_PARA2 to 256/512Mbit
+ detect bank2 width
+ write scratch reg 814
+ config SDRAM_PARA2 with results
+ config SDRAM_PARA3 with results
+
+ setup device bus timings/width
+ setup boot device timings/width
+
+ setup CPU_CONF (0x0)
+ setup cpu master control register 0x160
+ setup PCI0 TIMEOUT
+ setup PCI1 TIMEOUT
+ setup PCI0 BAR
+ setup PCI1 BAR
+
+ setup MPP control 0-3
+ setup GPP level control
+ setup Serial ports multiplex
+
+ setup stack pointer (r1)
+ setup GOT
+ call cpu_init_f
+ debug leds
+ board_init_f: (common/board.c)
+ board_pre_init:
+ remap gt regs?
+ map PCI mem/io
+ map device space
+ clear out interupts
+ init_timebase
+ env_init
+ serial_init
+ console_init_f
+ display_options
+ initdram: (board/evb64260/evb64260.c)
+ detect memory
+ for each bank:
+ dram_size()
+ setup PCI slave memory mappings
+ setup SCS
+ setup monitor
+ alloc board info struct
+ init bd struct
+ relocate_code: (cpu/mpc7xxx/start.S)
+ copy,got,clearbss
+ board_init_r(bd, dest_addr) (common/board.c)
+ setup bd function pointers
+ trap_init
+ flash_init: (board/evb64260/flash.c)
+ setup bd flash info
+ cpu_init_r: (cpu/mpc7xxx/cpu_init.c)
+ nothing
+ mem_malloc_init
+ malloc_bin_reloc
+ spi_init (r or f)??? (CFG_ENV_IS_IN_EEPROM)
+ env_relocated
+ misc_init_r(bd): (board/evb64260/evb64260.c)
+ mpsc_init2