diff options
Diffstat (limited to 'board/ms7722se/lowlevel_init.S')
| -rw-r--r-- | board/ms7722se/lowlevel_init.S | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/board/ms7722se/lowlevel_init.S b/board/ms7722se/lowlevel_init.S index 332f65a..8b46595 100644 --- a/board/ms7722se/lowlevel_init.S +++ b/board/ms7722se/lowlevel_init.S @@ -43,48 +43,61 @@ lowlevel_init: - mov.l CCR_A, r1 ! Address of Cache Control Register - mov.l CCR_D, r0 ! Instruction Cache Invalidate + /* Address of Cache Control Register */ + mov.l CCR_A, r1 + /*Instruction Cache Invalidate */ + mov.l CCR_D, r0 mov.l r0, @r1 - mov.l MMUCR_A, r1 ! Address of MMU Control Register - mov.l MMUCR_D, r0 ! TI == TLB Invalidate bit + /* Address of MMU Control Register */ + mov.l MMUCR_A, r1 + /* TI == TLB Invalidate bit */ + mov.l MMUCR_D, r0 mov.l r0, @r1 - mov.l MSTPCR0_A, r1 ! Address of Power Control Register 0 - mov.l MSTPCR0_D, r0 ! + /* Address of Power Control Register 0 */ + mov.l MSTPCR0_A, r1 + mov.l MSTPCR0_D, r0 mov.l r0, @r1 - mov.l MSTPCR2_A, r1 ! Address of Power Control Register 2 - mov.l MSTPCR2_D, r0 ! + /* Address of Power Control Register 2 */ + mov.l MSTPCR2_A, r1 + mov.l MSTPCR2_D, r0 mov.l r0, @r1 - mov.l SBSCR_A, r1 ! - mov.w SBSCR_D, r0 ! + mov.l SBSCR_A, r1 + mov.w SBSCR_D, r0 mov.w r0, @r1 - mov.l PSCR_A, r1 ! - mov.w PSCR_D, r0 ! + mov.l PSCR_A, r1 + mov.w PSCR_D, r0 mov.w r0, @r1 -! mov.l RWTCSR_A, r1 ! 0xA4520004 (Watchdog Control / Status Register) -! mov.w RWTCSR_D_1, r0 ! 0xA507 -> timer_STOP/WDT_CLK=max + /* 0xA4520004 (Watchdog Control / Status Register) */ +! mov.l RWTCSR_A, r1 + /* 0xA507 -> timer_STOP/WDT_CLK=max */ +! mov.w RWTCSR_D_1, r0 ! mov.w r0, @r1 - mov.l RWTCNT_A, r1 ! 0xA4520000 (Watchdog Count Register) - mov.w RWTCNT_D, r0 ! 0x5A00 -> Clear + /* 0xA4520000 (Watchdog Count Register) */ + mov.l RWTCNT_A, r1 + /*0x5A00 -> Clear */ + mov.w RWTCNT_D, r0 mov.w r0, @r1 - mov.l RWTCSR_A, r1 ! 0xA4520004 (Watchdog Control / Status Register) - mov.w RWTCSR_D_2, r0 ! 0xA504 -> timer_STOP/CLK=500ms + /* 0xA4520004 (Watchdog Control / Status Register) */ + mov.l RWTCSR_A, r1 + /* 0xA504 -> timer_STOP/CLK=500ms */ + mov.w RWTCSR_D_2, r0 mov.w r0, @r1 - mov.l FRQCR_A, r1 ! 0xA4150000 Frequency control register + /* 0xA4150000 Frequency control register */ + mov.l FRQCR_A, r1 mov.l FRQCR_D, r0 ! mov.l r0, @r1 - mov.l CCR_A, r1 ! Address of Cache Control Register - mov.l CCR_D_2, r0 ! ?? + mov.l CCR_A, r1 + mov.l CCR_D_2, r0 mov.l r0, @r1 bsc_init: @@ -290,5 +303,6 @@ PSCR_D: .word 0x0000 RWTCSR_D_1: .word 0xA507 RWTCSR_D_2: .word 0xA507 RWTCNT_D: .word 0x5A00 + .align 2 SR_MASK_D: .long 0xEFFFFF0F |