diff options
Diffstat (limited to 'board/renesas/MigoR/lowlevel_init.S')
| -rw-r--r-- | board/renesas/MigoR/lowlevel_init.S | 152 |
1 files changed, 48 insertions, 104 deletions
diff --git a/board/renesas/MigoR/lowlevel_init.S b/board/renesas/MigoR/lowlevel_init.S index 4c1900e..e32a7af 100644 --- a/board/renesas/MigoR/lowlevel_init.S +++ b/board/renesas/MigoR/lowlevel_init.S @@ -27,13 +27,14 @@ #include <version.h> #include <asm/processor.h> +#include <asm/macro.h> /* - * Board specific low level init code, called _very_ early in the - * startup sequence. Relocation to SDRAM has not happened yet, no - * stack is available, bss section has not been initialised, etc. + * Board specific low level init code, called _very_ early in the + * startup sequence. Relocation to SDRAM has not happened yet, no + * stack is available, bss section has not been initialised, etc. * - * (Note: As no stack is available, no subroutines can be called...). + * (Note: As no stack is available, no subroutines can be called...). */ .global lowlevel_init @@ -42,141 +43,83 @@ .align 2 lowlevel_init: - mov.l CCR_A, r1 ! Address of Cache Control Register - mov.l CCR_D, r0 ! Instruction Cache Invalidate - mov.l r0, @r1 + write32 CCR_A, CCR_D ! Address of Cache Control Register + ! Instruction Cache Invalidate - mov.l MMUCR_A, r1 ! Address of MMU Control Register - mov.l MMUCR_D, r0 ! TI == TLB Invalidate bit - mov.l r0, @r1 + write32 MMUCR_A, MMUCR_D ! Address of MMU Control Register + ! TI == TLB Invalidate bit - mov.l MSTPCR0_A, r1 ! Address of Power Control Register 0 - mov.l MSTPCR0_D, r0 ! - mov.l r0, @r1 + write32 MSTPCR0_A, MSTPCR0_D ! Address of Power Control Register 0 - mov.l MSTPCR2_A, r1 ! Address of Power Control Register 2 - mov.l MSTPCR2_D, r0 ! - mov.l r0, @r1 + write32 MSTPCR2_A, MSTPCR2_D ! Address of Power Control Register 2 - mov.l PFC_PULCR_A, r1 - mov.w PFC_PULCR_D, r0 - mov.w r0,@r1 + write16 PFC_PULCR_A, PFC_PULCR_D - mov.l PFC_DRVCR_A, r1 - mov.w PFC_DRVCR_D, r0 - mov.w r0, @r1 + write16 PFC_DRVCR_A, PFC_DRVCR_D - mov.l SBSCR_A, r1 ! - mov.w SBSCR_D, r0 ! - mov.w r0, @r1 + write16 SBSCR_A, SBSCR_D - mov.l PSCR_A, r1 ! - mov.w PSCR_D, r0 ! - mov.w r0, @r1 + write16 PSCR_A, PSCR_D - mov.l RWTCSR_A, r1 ! 0xA4520004 (Watchdog Control / Status Register) - mov.w RWTCSR_D_1, r0 ! 0xA507 -> timer_STOP/WDT_CLK=max - mov.w r0, @r1 + write16 RWTCSR_A, RWTCSR_D_1 ! 0xA4520004 (Watchdog Control / Status Register) + ! 0xA507 -> timer_STOP / WDT_CLK = max - mov.l RWTCNT_A, r1 ! 0xA4520000 (Watchdog Count Register) - mov.w RWTCNT_D, r0 ! 0x5A00 -> Clear - mov.w r0, @r1 + write16 RWTCNT_A, RWTCNT_D ! 0xA4520000 (Watchdog Count Register) + ! 0x5A00 -> Clear - mov.l RWTCSR_A, r1 ! 0xA4520004 (Watchdog Control / Status Register) - mov.w RWTCSR_D_2, r0 ! 0xA504 -> timer_STOP/CLK=500ms - mov.w r0, @r1 + write16 RWTCSR_A, RWTCSR_D_2 ! 0xA4520004 (Watchdog Control / Status Register) + ! 0xA504 -> timer_STOP / CLK = 500ms - mov.l DLLFRQ_A, r1 ! 20080115 - mov.l DLLFRQ_D, r0 ! 20080115 - mov.l r0, @r1 + write32 DLLFRQ_A, DLLFRQ_D ! 20080115 + ! 20080115 - mov.l FRQCR_A, r1 ! 0xA4150000 Frequency control register - mov.l FRQCR_D, r0 ! 20080115 - mov.l r0, @r1 + write32 FRQCR_A, FRQCR_D ! 0xA4150000 Frequency control register + ! 20080115 - mov.l CCR_A, r1 ! Address of Cache Control Register - mov.l CCR_D_2, r0 ! ?? - mov.l r0, @r1 + write32 CCR_A, CCR_D_2 ! Address of Cache Control Register + ! ?? bsc_init: - mov.l CMNCR_A, r1 ! CMNCR address -> R1 - mov.l CMNCR_D, r0 ! CMNCR data -> R0 - mov.l r0, @r1 ! CMNCR set + write32 CMNCR_A, CMNCR_D - mov.l CS0BCR_A, r1 ! CS0BCR address -> R1 - mov.l CS0BCR_D, r0 ! CS0BCR data -> R0 - mov.l r0, @r1 ! CS0BCR set + write32 CS0BCR_A, CS0BCR_D - mov.l CS4BCR_A, r1 ! CS4BCR address -> R1 - mov.l CS4BCR_D, r0 ! CS4BCR data -> R0 - mov.l r0, @r1 ! CS4BCR set + write32 CS4BCR_A, CS4BCR_D - mov.l CS5ABCR_A, r1 ! CS5ABCR address -> R1 - mov.l CS5ABCR_D, r0 ! CS5ABCR data -> R0 - mov.l r0, @r1 ! CS5ABCR set + write32 CS5ABCR_A, CS5ABCR_D - mov.l CS5BBCR_A, r1 ! CS5BBCR address -> R1 - mov.l CS5BBCR_D, r0 ! CS5BBCR data -> R0 - mov.l r0, @r1 ! CS5BBCR set + write32 CS5BBCR_A, CS5BBCR_D - mov.l CS6ABCR_A, r1 ! CS6ABCR address -> R1 - mov.l CS6ABCR_D, r0 ! CS6ABCR data -> R0 - mov.l r0, @r1 ! CS6ABCR set + write32 CS6ABCR_A, CS6ABCR_D - mov.l CS0WCR_A, r1 ! CS0WCR address -> R1 - mov.l CS0WCR_D, r0 ! CS0WCR data -> R0 - mov.l r0, @r1 ! CS0WCR set + write32 CS0WCR_A, CS0WCR_D - mov.l CS4WCR_A, r1 ! CS4WCR address -> R1 - mov.l CS4WCR_D, r0 ! CS4WCR data -> R0 - mov.l r0, @r1 ! CS4WCR set + write32 CS4WCR_A, CS4WCR_D - mov.l CS5AWCR_A, r1 ! CS5AWCR address -> R1 - mov.l CS5AWCR_D, r0 ! CS5AWCR data -> R0 - mov.l r0, @r1 ! CS5AWCR set + write32 CS5AWCR_A, CS5AWCR_D - mov.l CS5BWCR_A, r1 ! CS5BWCR address -> R1 - mov.l CS5BWCR_D, r0 ! CS5BWCR data -> R0 - mov.l r0, @r1 ! CS5BWCR set + write32 CS5BWCR_A, CS5BWCR_D - mov.l CS6AWCR_A, r1 ! CS6AWCR address -> R1 - mov.l CS6AWCR_D, r0 ! CS6AWCR data -> R0 - mov.l r0, @r1 ! CS6AWCR set + write32 CS6AWCR_A, CS6AWCR_D ! SDRAM initialization - mov.l SDCR_A, r1 ! SB_SDCR address -> R1 - mov.l SDCR_D, r0 ! SB_SDCR data -> R0 - mov.l r0, @r1 ! SB_SDCR set + write32 SDCR_A, SDCR_D - mov.l SDWCR_A, r1 ! SB_SDWCR address -> R1 - mov.l SDWCR_D, r0 ! SB_SDWCR data -> R0 - mov.l r0, @r1 ! SB_SDWCR set + write32 SDWCR_A, SDWCR_D - mov.l SDPCR_A, r1 ! SB_SDPCR address -> R1 - mov.l SDPCR_D, r0 ! SB_SDPCR data -> R0 - mov.l r0, @r1 ! SB_SDPCR set + write32 SDPCR_A, SDPCR_D - mov.l RTCOR_A, r1 ! SB_RTCOR address -> R1 - mov.l RTCOR_D, r0 ! SB_RTCOR data -> R0 - mov.l r0, @r1 ! SB_RTCOR set + write32 RTCOR_A, RTCOR_D - mov.l RTCNT_A, r1 ! SB_RTCNT address -> R1 - mov.l RTCNT_D, r0 ! SB_RTCNT data -> R0 - mov.l r0, @r1 + write32 RTCNT_A, RTCNT_D - mov.l RTCSR_A, r1 ! SB_RTCSR address -> R1 - mov.l RTCSR_D, r0 ! SB_RTCSR data -> R0 - mov.l r0, @r1 ! SB_RTCSR set + write32 RTCSR_A, RTCSR_D - mov.l RFCR_A, r1 ! SB_RFCR address -> R1 - mov.l RFCR_D, r0 ! SB_RFCR data -> R0 - mov.l r0, @r1 + write32 RFCR_A, RFCR_D - mov.l SDMR3_A, r1 ! SDMR3 address -> R1 - mov #0x00, r0 ! SDMR3 data -> R0 - mov.b r0, @r1 ! SDMR3 set + write8 SDMR3_A, SDMR3_D - ! BL bit off (init = ON) (?!?) + ! BL bit off (init = ON) (?!?) stc sr, r0 ! BL bit off(init=ON) mov.l SR_MASK_D, r1 @@ -252,6 +195,7 @@ RFCR_A: .long SBSC_RFCR RFCR_D: .long 0xA55A0221 RTCSR_D: .long 0xA55A009a SDMR3_A: .long 0xFE581180 +SDMR3_D: .long 0x0 SR_MASK_D: .long 0xEFFFFF0F |