diff options
Diffstat (limited to 'board/renesas/r7780mp/lowlevel_init.S')
-rw-r--r-- | board/renesas/r7780mp/lowlevel_init.S | 400 |
1 files changed, 171 insertions, 229 deletions
diff --git a/board/renesas/r7780mp/lowlevel_init.S b/board/renesas/r7780mp/lowlevel_init.S index ab0499a..bbea621 100644 --- a/board/renesas/r7780mp/lowlevel_init.S +++ b/board/renesas/r7780mp/lowlevel_init.S @@ -22,13 +22,14 @@ #include <config.h> #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 @@ -38,63 +39,36 @@ 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 FRQCR_A, r1 /* Frequency control register */ - mov.l FRQCR_D, r0 - mov.l r0, @r1 + write32 FRQCR_A, FRQCR_D /* Frequency control register */ /* pin_multi_setting */ - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSR1,r0 - mov.l r0,@r1 + write32 BBG_PMMR_A, BBG_PMMR_D_PMSR1 - mov.l BBG_PMSR1_A,r1 - mov.l BBG_PMSR1_D,r0 - mov.l r0,@r1 + write32 BBG_PMSR1_A, BBG_PMSR1_D - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSR2,r0 - mov.l r0,@r1 + write32 BBG_PMMR_A, BBG_PMMR_D_PMSR2 - mov.l BBG_PMSR2_A,r1 - mov.l BBG_PMSR2_D,r0 - mov.l r0,@r1 + write32 BBG_PMSR2_A, BBG_PMSR2_D - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSR3,r0 - mov.l r0,@r1 + write32 BBG_PMMR_A, BBG_PMMR_D_PMSR3 - mov.l BBG_PMSR3_A,r1 - mov.l BBG_PMSR3_D,r0 - mov.l r0,@r1 + write32 BBG_PMSR3_A, BBG_PMSR3_D - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSR4,r0 - mov.l r0,@r1 + write32 BBG_PMMR_A, BBG_PMMR_D_PMSR4 - mov.l BBG_PMSR4_A,r1 - mov.l BBG_PMSR4_D,r0 - mov.l r0,@r1 + write32 BBG_PMSR4_A, BBG_PMSR4_D - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSRG,r0 - mov.l r0,@r1 + write32 BBG_PMMR_A, BBG_PMMR_D_PMSRG - mov.l BBG_PMSRG_A,r1 - mov.l BBG_PMSRG_D,r0 - mov.l r0,@r1 + write32 BBG_PMSRG_A, BBG_PMSRG_D /* cpg_setting */ - mov.l FRQCR_A,r1 - mov.l FRQCR_D,r0 - mov.l r0,@r1 + write32 FRQCR_A, FRQCR_D - mov.l DLLCSR_A,r1 - mov.l DLLCSR_D,r0 - mov.l r0,@r1 + write32 DLLCSR_A, DLLCSR_D nop nop @@ -108,111 +82,79 @@ lowlevel_init: nop /* wait 200us */ - mov.l REPEAT0_R3,r3 - mov #0,r2 + mov.l REPEAT0_R3, r3 + mov #0, r2 repeat0: - add #1,r2 - cmp/hs r3,r2 - bf repeat0 + add #1, r2 + cmp/hs r3, r2 + bf repeat0 nop /* bsc_setting */ - mov.l MMSELR_A,r1 - mov.l MMSELR_D,r0 - mov.l r0,@r1 + write32 MMSELR_A, MMSELR_D - mov.l BCR_A,r1 - mov.l BCR_D,r0 - mov.l r0,@r1 + write32 BCR_A, BCR_D - mov.l CS0BCR_A,r1 - mov.l CS0BCR_D,r0 - mov.l r0,@r1 + write32 CS0BCR_A, CS0BCR_D - mov.l CS1BCR_A,r1 - mov.l CS1BCR_D,r0 - mov.l r0,@r1 + write32 CS1BCR_A, CS1BCR_D - mov.l CS2BCR_A,r1 - mov.l CS2BCR_D,r0 - mov.l r0,@r1 + write32 CS2BCR_A, CS2BCR_D - mov.l CS4BCR_A,r1 - mov.l CS4BCR_D,r0 - mov.l r0,@r1 + write32 CS4BCR_A, CS4BCR_D - mov.l CS5BCR_A,r1 - mov.l CS5BCR_D,r0 - mov.l r0,@r1 + write32 CS5BCR_A, CS5BCR_D - mov.l CS6BCR_A,r1 - mov.l CS6BCR_D,r0 - mov.l r0,@r1 + write32 CS6BCR_A, CS6BCR_D - mov.l CS0WCR_A,r1 - mov.l CS0WCR_D,r0 - mov.l r0,@r1 + write32 CS0WCR_A, CS0WCR_D - mov.l CS1WCR_A,r1 - mov.l CS1WCR_D,r0 - mov.l r0,@r1 + write32 CS1WCR_A, CS1WCR_D - mov.l CS2WCR_A,r1 - mov.l CS2WCR_D,r0 - mov.l r0,@r1 + write32 CS2WCR_A, CS2WCR_D - mov.l CS4WCR_A,r1 - mov.l CS4WCR_D,r0 - mov.l r0,@r1 + write32 CS4WCR_A, CS4WCR_D - mov.l CS5WCR_A,r1 - mov.l CS5WCR_D,r0 - mov.l r0,@r1 + write32 CS5WCR_A, CS5WCR_D - mov.l CS6WCR_A,r1 - mov.l CS6WCR_D,r0 - mov.l r0,@r1 + write32 CS6WCR_A, CS6WCR_D - mov.l CS5PCR_A,r1 - mov.l CS5PCR_D,r0 - mov.l r0,@r1 + write32 CS5PCR_A, CS5PCR_D - mov.l CS6PCR_A,r1 - mov.l CS6PCR_D,r0 - mov.l r0,@r1 + write32 CS6PCR_A, CS6PCR_D /* ddr_setting */ /* wait 200us */ - mov.l REPEAT0_R3,r3 - mov #0,r2 + mov.l REPEAT0_R3, r3 + mov #0, r2 repeat1: - add #1,r2 - cmp/hs r3,r2 - bf repeat1 + add #1, r2 + cmp/hs r3, r2 + bf repeat1 nop - mov.l MIM_U_A,r0 - mov.l MIM_U_D,r1 + mov.l MIM_U_A, r0 + mov.l MIM_U_D, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco - mov.l MIM_L_A,r0 - mov.l MIM_L_D0,r1 + mov.l MIM_L_A, r0 + mov.l MIM_L_D0, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco - mov.l STR_L_A,r0 - mov.l STR_L_D,r1 + mov.l STR_L_A, r0 + mov.l STR_L_D, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco - mov.l SDR_L_A,r0 - mov.l SDR_L_D,r1 + mov.l SDR_L_A, r0 + mov.l SDR_L_D, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco nop @@ -220,193 +162,193 @@ repeat1: nop nop - mov.l SCR_L_A,r0 - mov.l SCR_L_D0,r1 + mov.l SCR_L_A, r0 + mov.l SCR_L_D0, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco - mov.l SCR_L_A,r0 - mov.l SCR_L_D1,r1 + mov.l SCR_L_A, r0 + mov.l SCR_L_D1, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco nop nop nop - mov.l EMRS_A,r0 - mov.l EMRS_D,r1 + mov.l EMRS_A, r0 + mov.l EMRS_D, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco nop nop nop - mov.l MRS1_A,r0 - mov.l MRS1_D,r1 + mov.l MRS1_A, r0 + mov.l MRS1_D, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco nop nop nop - mov.l SCR_L_A,r0 - mov.l SCR_L_D2,r1 + mov.l SCR_L_A, r0 + mov.l SCR_L_D2, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco nop nop nop - mov.l SCR_L_A,r0 - mov.l SCR_L_D3,r1 + mov.l SCR_L_A, r0 + mov.l SCR_L_D3, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco nop nop nop - mov.l SCR_L_A,r0 - mov.l SCR_L_D4,r1 + mov.l SCR_L_A, r0 + mov.l SCR_L_D4, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco nop nop nop - mov.l MRS2_A,r0 - mov.l MRS2_D,r1 + mov.l MRS2_A, r0 + mov.l MRS2_D, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco nop nop nop - mov.l SCR_L_A,r0 - mov.l SCR_L_D5,r1 + mov.l SCR_L_A, r0 + mov.l SCR_L_D5, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco /* wait 200us */ - mov.l REPEAT0_R1,r3 - mov #0,r2 + mov.l REPEAT0_R1, r3 + mov #0, r2 repeat2: - add #1,r2 - cmp/hs r3,r2 - bf repeat2 + add #1, r2 + cmp/hs r3, r2 + bf repeat2 synco - mov.l MIM_L_A,r0 - mov.l MIM_L_D1,r1 + mov.l MIM_L_A, r0 + mov.l MIM_L_D1, r1 synco - mov.l r1,@r0 + mov.l r1, @r0 synco rts nop .align 4 -RWTCSR_D_1: .word 0xA507 -RWTCSR_D_2: .word 0xA507 -RWTCNT_D: .word 0x5A00 +RWTCSR_D_1: .word 0xA507 +RWTCSR_D_2: .word 0xA507 +RWTCNT_D: .word 0x5A00 .align 2 -BBG_PMMR_A: .long 0xFF800010 -BBG_PMSR1_A: .long 0xFF800014 -BBG_PMSR2_A: .long 0xFF800018 -BBG_PMSR3_A: .long 0xFF80001C -BBG_PMSR4_A: .long 0xFF800020 -BBG_PMSRG_A: .long 0xFF800024 - -BBG_PMMR_D_PMSR1: .long 0xffffbffd -BBG_PMSR1_D: .long 0x00004002 -BBG_PMMR_D_PMSR2: .long 0xfc21a7ff -BBG_PMSR2_D: .long 0x03de5800 -BBG_PMMR_D_PMSR3: .long 0xfffffff8 -BBG_PMSR3_D: .long 0x00000007 -BBG_PMMR_D_PMSR4: .long 0xdffdfff9 -BBG_PMSR4_D: .long 0x20020006 -BBG_PMMR_D_PMSRG: .long 0xffffffff -BBG_PMSRG_D: .long 0x00000000 - -FRQCR_A: .long FRQCR -DLLCSR_A: .long 0xffc40010 -FRQCR_D: .long 0x40233035 -DLLCSR_D: .long 0x00000000 +BBG_PMMR_A: .long 0xFF800010 +BBG_PMSR1_A: .long 0xFF800014 +BBG_PMSR2_A: .long 0xFF800018 +BBG_PMSR3_A: .long 0xFF80001C +BBG_PMSR4_A: .long 0xFF800020 +BBG_PMSRG_A: .long 0xFF800024 + +BBG_PMMR_D_PMSR1: .long 0xffffbffd +BBG_PMSR1_D: .long 0x00004002 +BBG_PMMR_D_PMSR2: .long 0xfc21a7ff +BBG_PMSR2_D: .long 0x03de5800 +BBG_PMMR_D_PMSR3: .long 0xfffffff8 +BBG_PMSR3_D: .long 0x00000007 +BBG_PMMR_D_PMSR4: .long 0xdffdfff9 +BBG_PMSR4_D: .long 0x20020006 +BBG_PMMR_D_PMSRG: .long 0xffffffff +BBG_PMSRG_D: .long 0x00000000 + +FRQCR_A: .long FRQCR +DLLCSR_A: .long 0xffc40010 +FRQCR_D: .long 0x40233035 +DLLCSR_D: .long 0x00000000 /* for DDR-SDRAM */ -MIM_U_A: .long MIM_1 -MIM_L_A: .long MIM_2 -SCR_U_A: .long SCR_1 -SCR_L_A: .long SCR_2 -STR_U_A: .long STR_1 -STR_L_A: .long STR_2 -SDR_U_A: .long SDR_1 -SDR_L_A: .long SDR_2 - -EMRS_A: .long 0xFEC02000 -MRS1_A: .long 0xFEC00B08 -MRS2_A: .long 0xFEC00308 - -MIM_U_D: .long 0x00004000 -MIM_L_D0: .long 0x03e80009 -MIM_L_D1: .long 0x03e80209 -SCR_L_D0: .long 0x3 -SCR_L_D1: .long 0x2 -SCR_L_D2: .long 0x2 -SCR_L_D3: .long 0x4 -SCR_L_D4: .long 0x4 -SCR_L_D5: .long 0x0 -STR_L_D: .long 0x000f0000 -SDR_L_D: .long 0x00000400 -EMRS_D: .long 0x0 -MRS1_D: .long 0x0 -MRS2_D: .long 0x0 +MIM_U_A: .long MIM_1 +MIM_L_A: .long MIM_2 +SCR_U_A: .long SCR_1 +SCR_L_A: .long SCR_2 +STR_U_A: .long STR_1 +STR_L_A: .long STR_2 +SDR_U_A: .long SDR_1 +SDR_L_A: .long SDR_2 + +EMRS_A: .long 0xFEC02000 +MRS1_A: .long 0xFEC00B08 +MRS2_A: .long 0xFEC00308 + +MIM_U_D: .long 0x00004000 +MIM_L_D0: .long 0x03e80009 +MIM_L_D1: .long 0x03e80209 +SCR_L_D0: .long 0x3 +SCR_L_D1: .long 0x2 +SCR_L_D2: .long 0x2 +SCR_L_D3: .long 0x4 +SCR_L_D4: .long 0x4 +SCR_L_D5: .long 0x0 +STR_L_D: .long 0x000f0000 +SDR_L_D: .long 0x00000400 +EMRS_D: .long 0x0 +MRS1_D: .long 0x0 +MRS2_D: .long 0x0 /* Cache Controller */ -CCR_A: .long CCR -MMUCR_A: .long MMUCR -RWTCNT_A: .long WTCNT +CCR_A: .long CCR +MMUCR_A: .long MMUCR +RWTCNT_A: .long WTCNT -CCR_D: .long 0x0000090b -CCR_D_2: .long 0x00000103 -MMUCR_D: .long 0x00000004 -MSTPCR0_D: .long 0x00001001 -MSTPCR2_D: .long 0xffffffff +CCR_D: .long 0x0000090b +CCR_D_2: .long 0x00000103 +MMUCR_D: .long 0x00000004 +MSTPCR0_D: .long 0x00001001 +MSTPCR2_D: .long 0xffffffff /* local Bus State Controller */ -MMSELR_A: .long MMSELR -BCR_A: .long BCR -CS0BCR_A: .long CS0BCR -CS1BCR_A: .long CS1BCR -CS2BCR_A: .long CS2BCR -CS4BCR_A: .long CS4BCR -CS5BCR_A: .long CS5BCR -CS6BCR_A: .long CS6BCR -CS0WCR_A: .long CS0WCR -CS1WCR_A: .long CS1WCR -CS2WCR_A: .long CS2WCR -CS4WCR_A: .long CS4WCR -CS5WCR_A: .long CS5WCR -CS6WCR_A: .long CS6WCR -CS5PCR_A: .long CS5PCR -CS6PCR_A: .long CS6PCR +MMSELR_A: .long MMSELR +BCR_A: .long BCR +CS0BCR_A: .long CS0BCR +CS1BCR_A: .long CS1BCR +CS2BCR_A: .long CS2BCR +CS4BCR_A: .long CS4BCR +CS5BCR_A: .long CS5BCR +CS6BCR_A: .long CS6BCR +CS0WCR_A: .long CS0WCR +CS1WCR_A: .long CS1WCR +CS2WCR_A: .long CS2WCR +CS4WCR_A: .long CS4WCR +CS5WCR_A: .long CS5WCR +CS6WCR_A: .long CS6WCR +CS5PCR_A: .long CS5PCR +CS6PCR_A: .long CS6PCR MMSELR_D: .long 0xA5A50003 BCR_D: .long 0x00000000 @@ -425,5 +367,5 @@ CS6WCR_D: .long 0x77777703 CS5PCR_D: .long 0x77000000 CS6PCR_D: .long 0x77000000 -REPEAT0_R3: .long 0x00002000 -REPEAT0_R1: .long 0x0000200 +REPEAT0_R3: .long 0x00002000 +REPEAT0_R1: .long 0x0000200 |