Merge branch 'master' of git://git.denx.de/u-boot-sh

This commit is contained in:
Wolfgang Denk 2009-01-16 09:22:25 +01:00
commit 71771e501c
17 changed files with 653 additions and 1079 deletions

View file

@ -3230,8 +3230,8 @@ mimc200_config : unconfig
## sh2 (Renesas SuperH)
#########################################################################
rsk7203_config: unconfig
@ >include/config.h
@echo "#define CONFIG_RSK7203 1" >> include/config.h
@mkdir -p $(obj)include
@echo "#define CONFIG_RSK7203 1" > $(obj)/include/config.h
@$(MKCONFIG) -a $(@:_config=) sh sh2 rsk7203 renesas
#########################################################################

View file

@ -22,6 +22,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <asm/macro.h>
.global lowlevel_init
@ -33,59 +34,35 @@ lowlevel_init:
/*
* Set frequency multipliers and dividers in FRQCR.
*/
mov.l WTCSR_A,r1
mov.l WTCSR_D,r0
mov.w r0,@r1
write16 WTCSR_A, WTCSR_D
mov.l WTCNT_A,r1
mov.l WTCNT_D,r0
mov.w r0,@r1
write16 WTCNT_A, WTCNT_D
mov.l FRQCR_A,r1
mov.l FRQCR_D,r0
mov.w r0,@r1
write16 FRQCR_A, FRQCR_D
/*
* Setup CS0 (Flash).
*/
mov.l CS0BCR_A, r1
mov.l CS0BCR_D, r0
mov.l r0, @r1
write32 CS0BCR_A, CS0BCR_D
mov.l CS0WCR_A, r1
mov.l CS0WCR_D, r0
mov.l r0, @r1
write32 CS0WCR_A, CS0WCR_D
/*
* Setup CS3 (SDRAM).
*/
mov.l CS3BCR_A, r1
mov.l CS3BCR_D, r0
mov.l r0, @r1
write32 CS3BCR_A, CS3BCR_D
mov.l CS3WCR_A, r1
mov.l CS3WCR_D, r0
mov.l r0, @r1
write32 CS3WCR_A, CS3WCR_D
mov.l SDCR_A, r1
mov.l SDCR_D1, r0
mov.l r0, @r1
write32 SDCR_A, SDCR_D1
mov.l RTCSR_A, r1
mov.l RTCSR_D, r0
mov.l r0, @r1
write32 RTCSR_A, RTCSR_D
mov.l RTCNT_A, r1
mov.l RTCNT_D, r0
mov.l r0, @r1
write32 RTCNT_A, RTCNT_D
mov.l RTCOR_A, r1
mov.l RTCOR_D, r0
mov.l r0, @r1
write32 RTCOR_A, RTCOR_D
mov.l SDCR_A, r1
mov.l SDCR_D2, r0
mov.l r0, @r1
write32 SDCR_A, SDCR_D2
mov.l SDMR3_A, r1
mov.l SDMR3_D, r0
@ -112,21 +89,27 @@ WTCSR_D: .long 0xA507 /* divide by 4096 */
/*
* Spansion S29GL256N11 @ 48 MHz
*/
CS0BCR_D: .long 0x12490400 /* 1 idle cycle inserted, normal space, 16 bit */
CS0WCR_D: .long 0x00000340 /* tSW=0.5ck, 6 wait cycles, NO external wait, tHW=0.5ck */
/* 1 idle cycle inserted, normal space, 16 bit */
CS0BCR_D: .long 0x12490400
/* tSW=0.5ck, 6 wait cycles, NO external wait, tHW=0.5ck */
CS0WCR_D: .long 0x00000340
/*
* Samsung K4S511632B-UL75 @ 48 MHz
* Micron MT48LC32M16A2-75 @ 48 MHz
*/
CS3BCR_D: .long 0x10004400 /* CS3BCR = 0x10004400, minimum idle cycles, SDRAM, 16 bit */
CS3WCR_D: .long 0x00000091 /* tRP=1ck, tRCD=1ck, CL=2, tRWL=2ck, tRC=4ck */
SDCR_D1: .long 0x00000012 /* no refresh, 13 rows, 10 cols, NO bank active mode */
SDCR_D2: .long 0x00000812 /* refresh */
RTCSR_D: .long 0xA55A0008 /* 1/4, once */
RTCNT_D: .long 0xA55A005D /* count 93 */
RTCOR_D: .long 0xa55a005d /* count 93 */
SDMR3_D: .long 0x440 /* mode register CL2, burst read and SINGLE WRITE */
/* CS3BCR = 0x10004400, minimum idle cycles, SDRAM, 16 bit */
CS3BCR_D: .long 0x10004400
/* tRP=1ck, tRCD=1ck, CL=2, tRWL=2ck, tRC=4ck */
CS3WCR_D: .long 0x00000091
/* no refresh, 13 rows, 10 cols, NO bank active mode */
SDCR_D1: .long 0x00000012
SDCR_D2: .long 0x00000812 /* refresh */
RTCSR_D: .long 0xA55A0008 /* 1/4, once */
RTCNT_D: .long 0xA55A005D /* count 93 */
RTCOR_D: .long 0xa55a005d /* count 93 */
/* mode register CL2, burst read and SINGLE WRITE */
SDMR3_D: .long 0x440
/*
* Registers

View file

@ -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
@ -43,167 +44,96 @@
lowlevel_init:
/* Address of Cache Control Register */
mov.l CCR_A, r1
/*Instruction Cache Invalidate */
mov.l CCR_D, r0
mov.l r0, @r1
/*
* Cache Control Register
* Instruction Cache Invalidate
*/
write32 CCR_A, CCR_D
/* Address of MMU Control Register */
mov.l MMUCR_A, r1
/* TI == TLB Invalidate bit */
mov.l MMUCR_D, r0
mov.l r0, @r1
/*
* Address of MMU Control Register
* TI == TLB Invalidate bit
*/
write32 MMUCR_A, MMUCR_D
/* Address of Power Control Register 0 */
mov.l MSTPCR0_A, r1
mov.l MSTPCR0_D, r0
mov.l r0, @r1
write32 MSTPCR0_A, MSTPCR0_D
/* Address of Power Control Register 2 */
mov.l MSTPCR2_A, r1
mov.l MSTPCR2_D, r0
mov.l r0, @r1
write32 MSTPCR2_A, MSTPCR2_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
/* 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
! write16 RWTCSR_A, RWTCSR_D_1 /* 0xA507 -> timer_STOP/WDT_CLK=max */
/* 0xA4520000 (Watchdog Count Register) */
mov.l RWTCNT_A, r1
/*0x5A00 -> Clear */
mov.w RWTCNT_D, r0
mov.w r0, @r1
write16 RWTCNT_A, RWTCNT_D /*0x5A00 -> Clear */
/* 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
write16 RWTCSR_A, RWTCSR_D_2 /* 0xA504 -> timer_STOP/CLK=500ms */
/* 0xA4150000 Frequency control register */
mov.l FRQCR_A, r1
mov.l FRQCR_D, r0 !
mov.l r0, @r1
write32 FRQCR_A, FRQCR_D
mov.l CCR_A, r1
mov.l CCR_D_2, r0
mov.l r0, @r1
write32 CCR_A, CCR_D_2
bsc_init:
mov.l PSELA_A, r1
mov.w PSELA_D, r0
mov.w r0, @r1
write16 PSELA_A, PSELA_D
mov.l DRVCR_A, r1
mov.w DRVCR_D, r0
mov.w r0, @r1
write16 DRVCR_A, DRVCR_D
mov.l PCCR_A, r1
mov.w PCCR_D, r0
mov.w r0, @r1
write16 PCCR_A, PCCR_D
mov.l PECR_A, r1
mov.w PECR_D, r0
mov.w r0, @r1
write16 PECR_A, PECR_D
mov.l PJCR_A, r1
mov.w PJCR_D, r0
mov.w r0, @r1
write16 PJCR_A, PJCR_D
mov.l PXCR_A, r1
mov.w PXCR_D, r0
mov.w r0, @r1
write16 PXCR_A, PXCR_D
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 CS2BCR_A, r1 ! CS2BCR address -> R1
mov.l CS2BCR_D, r0 ! CS2BCR data -> R0
mov.l r0, @r1 ! CS2BCR set
write32 CS2BCR_A, CS2BCR_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 CS2WCR_A, r1 ! CS2WCR address -> R1
mov.l CS2WCR_D, r0 ! CS2WCR data -> R0
mov.l r0, @r1 ! CS2WCR set
write32 CS2WCR_A, CS2WCR_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 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 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
@ -232,28 +162,28 @@ MSTPCR0_D: .long 0x00001001
MSTPCR2_D: .long 0xffffffff
FRQCR_D: .long 0x07022538
PSELA_A: .long 0xa405014E
PSELA_D: .word 0x0A10
PSELA_A: .long 0xa405014E
PSELA_D: .word 0x0A10
.align 2
DRVCR_A: .long 0xa405018A
DRVCR_D: .word 0x0554
DRVCR_A: .long 0xa405018A
DRVCR_D: .word 0x0554
.align 2
PCCR_A: .long 0xa4050104
PCCR_D: .word 0x8800
PCCR_A: .long 0xa4050104
PCCR_D: .word 0x8800
.align 2
PECR_A: .long 0xa4050108
PECR_D: .word 0x0000
PECR_A: .long 0xa4050108
PECR_D: .word 0x0000
.align 2
PJCR_A: .long 0xa4050110
PJCR_D: .word 0x1000
PJCR_A: .long 0xa4050110
PJCR_D: .word 0x1000
.align 2
PXCR_A: .long 0xa4050148
PXCR_D: .word 0x0AAA
PXCR_A: .long 0xa4050148
PXCR_D: .word 0x0AAA
.align 2
CMNCR_A: .long CMNCR
@ -295,6 +225,7 @@ RTCOR_D: .long 0xA55A0034
RTCSR_A: .long SBSC_RTCSR
RTCSR_D: .long 0xA55A0010
SDMR3_A: .long 0xFE500180
SDMR3_D: .long 0x0
.align 1

View file

@ -29,120 +29,94 @@
#include <version.h>
#include <asm/processor.h>
#include <asm/macro.h>
#ifdef CONFIG_CPU_SH7751
#define BCR2_D_VALUE 0x2FFC /* Area 1-6 width: 32/32/32/32/32/16 */
#define WCR1_D_VALUE 0x02770771 /* DMA:0 A6:2 A3:0 A0:1 Others:15 */
#define BCR2_D_VALUE 0x2FFC /* Area 1-6 width: 32/32/32/32/32/16 */
#define WCR1_D_VALUE 0x02770771 /* DMA:0 A6:2 A3:0 A0:1 Others:15 */
#ifdef CONFIG_MARUBUN_PCCARD
#define WCR2_D_VALUE 0xFFFE4FE7 /* A6:15 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:6 A0B:7 */
#define WCR2_D_VALUE 0xFFFE4FE7 /* A6:15 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:6 A0B:7 */
#else /* CONFIG_MARUBUN_PCCARD */
#define WCR2_D_VALUE 0x7FFE4FE7 /* A6:3 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:6 A0B:7 */
#define WCR2_D_VALUE 0x7FFE4FE7 /* A6:3 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:6 A0B:7 */
#endif /* CONFIG_MARUBUN_PCCARD */
#define WCR3_D_VALUE 0x01777771 /* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3
A2: 1-3 A1: 1-3 A0: 0-1 */
#define RTCOR_D_VALUE 0xA50D /* Write code A5, data 0D (~15us?) */
#define SDMR3_ADDRESS 0xFF940088 /* SDMR3 address on 32-bit bus */
#define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, ... */
#define MCR_D2_VALUE 0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */
#define WCR3_D_VALUE 0x01777771 /* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3
A2: 1-3 A1: 1-3 A0: 0-1 */
#define RTCOR_D_VALUE 0xA50D /* Write code A5, data 0D (~15us?) */
#define SDMR3_ADDRESS 0xFF940088 /* SDMR3 address on 32-bit bus */
#define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, .. */
#define MCR_D2_VALUE 0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */
#else /* CONFIG_CPU_SH7751 */
#define BCR2_D_VALUE 0x2E3C /* Area 1-6 width: 32/32/64/16/32/16 */
#define WCR1_D_VALUE 0x02720777 /* DMA:0 A6:2 A4:2 A3:0 Others:15 */
#define WCR2_D_VALUE 0xFFFE4FFF /* A6:15 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:15 A0B:7 */
#define WCR3_D_VALUE 0x01717771 /* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3
A2: 1-3 A1: 1-3 A0: 0-1 */
#define RTCOR_D_VALUE 0xA510 /* Write code A5, data 10 (~15us?) */
#define SDMR3_ADDRESS 0xFF940110 /* SDMR3 address on 64-bit bus */
#define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, ... */
#define MCR_D2_VALUE 0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */
#define BCR2_D_VALUE 0x2E3C /* Area 1-6 width: 32/32/64/16/32/16 */
#define WCR1_D_VALUE 0x02720777 /* DMA:0 A6:2 A4:2 A3:0 Others:15 */
#define WCR2_D_VALUE 0xFFFE4FFF /* A6:15 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:15 A0B:7 */
#define WCR3_D_VALUE 0x01717771 /* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3
A2: 1-3 A1: 1-3 A0: 0-1 */
#define RTCOR_D_VALUE 0xA510 /* Write code A5, data 10 (~15us?) */
#define SDMR3_ADDRESS 0xFF940110 /* SDMR3 address on 64-bit bus */
#define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, .. */
#define MCR_D2_VALUE 0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */
#endif /* CONFIG_CPU_SH7751 */
.global lowlevel_init
.text
.align 2
.align 2
lowlevel_init:
mov.l CCR_A, r1 ! CCR Address
mov.l CCR_D_DISABLE, r0 ! CCR Data
mov.l r0, @r1
write32 CCR_A, CCR_D_DISABLE
init_bsc:
mov.l FRQCR_A,r1 /* FRQCR Address */
mov.l FRQCR_D,r0 /* FRQCR Data */
mov.w r0,@r1
write16 FRQCR_A, FRQCR_D
mov.l BCR1_A,r1 /* BCR1 Address */
mov.l BCR1_D,r0 /* BCR1 Data */
mov.l r0,@r1
write32 BCR1_A, BCR1_D
mov.l BCR2_A,r1 /* BCR2 Address */
mov.l BCR2_D,r0 /* BCR2 Data */
mov.w r0,@r1
write16 BCR2_A, BCR2_D
mov.l WCR1_A,r1 /* WCR1 Address */
mov.l WCR1_D,r0 /* WCR1 Data */
mov.l r0,@r1
write32 WCR1_A, WCR1_D
mov.l WCR2_A,r1 /* WCR2 Address */
mov.l WCR2_D,r0 /* WCR2 Data */
mov.l r0,@r1
write32 WCR2_A, WCR2_D
mov.l WCR3_A,r1 /* WCR3 Address */
mov.l WCR3_D,r0 /* WCR3 Data */
mov.l r0,@r1
write32 WCR3_A, WCR3_D
mov.l MCR_A,r1 /* MCR Address */
mov.l MCR_D1,r0 /* MCR Data1 */
mov.l r0,@r1
write32 MCR_A, MCR_D1
mov.l SDMR3_A,r1 /* Set SDRAM mode */
mov #0,r0
mov.b r0,@r1
/* Set SDRAM mode */
write8 SDMR3_A, SDMR3_D
! Do you need PCMCIA setting?
! If so, please add the lines here...
mov.l RTCNT_A,r1 /* RTCNT Address */
mov.l RTCNT_D,r0 /* RTCNT Data */
mov.w r0,@r1
write16 RTCNT_A, RTCNT_D
mov.l RTCOR_A,r1 /* RTCOR Address */
mov.l RTCOR_D,r0 /* RTCOR Data */
mov.w r0,@r1
write16 RTCOR_A, RTCOR_D
mov.l RTCSR_A,r1 /* RTCSR Address */
mov.l RTCSR_D,r0 /* RTCSR Data */
mov.w r0,@r1
write16 RTCSR_A, RTCSR_D
write16 RFCR_A, RFCR_D
mov.l RFCR_A,r1 /* RFCR Address */
mov.l RFCR_D,r0 /* RFCR Data */
mov.w r0,@r1 /* Clear reflesh counter */
/* Wait DRAM refresh 30 times */
mov #30,r3
mov #30, r3
1:
mov.w @r1,r0
extu.w r0,r2
cmp/hi r3,r2
mov.w @r1, r0
extu.w r0, r2
cmp/hi r3, r2
bf 1b
mov.l MCR_A,r1 /* MCR Address */
mov.l MCR_D2,r0 /* MCR Data2 */
mov.l r0,@r1
write32 MCR_A, MCR_D2
mov.l SDMR3_A,r1 /* Set SDRAM mode */
mov #0,r0
mov.b r0,@r1
/* Set SDRAM mode */
write8 SDMR3_A, SDMR3_D
rts
nop
nop
.align 2
CCR_A: .long CCR
CCR_D_DISABLE: .long 0x0808
CCR_A: .long CCR
CCR_D_DISABLE: .long 0x0808
FRQCR_A: .long FRQCR
FRQCR_D:
#ifdef CONFIG_CPU_TYPE_R
@ -172,6 +146,7 @@ RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */
RTCOR_A: .long RTCOR
RTCOR_D: .long RTCOR_D_VALUE /* Set refresh time (about 15us) */
SDMR3_A: .long SDMR3_ADDRESS
SDMR3_D: .long 0x00
MCR_A: .long MCR
MCR_D1: .long MCR_D1_VALUE
MCR_D2: .long MCR_D2_VALUE

View file

@ -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

View file

@ -23,6 +23,7 @@
#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
@ -38,113 +39,59 @@
.align 2
lowlevel_init:
mov.l DRVCRA_A, r1
mov.l DRVCRA_D, r0
mov.w r0, @r1
write16 DRVCRA_A, DRVCRA_D
mov.l DRVCRB_A, r1
mov.l DRVCRB_D, r0
mov.w r0, @r1
write16 DRVCRB_A, DRVCRB_D
mov.l RWTCSR_A, r1
mov.l RWTCSR_D1, r0
mov.w r0, @r1
write16 RWTCSR_A, RWTCSR_D1
mov.l RWTCNT_A, r1
mov.l RWTCNT_D, r0
mov.w r0, @r1
write16 RWTCNT_A, RWTCNT_D
mov.l RWTCSR_A, r1
mov.l RWTCSR_D2, r0
mov.w r0, @r1
write16 RWTCSR_A, RWTCSR_D2
mov.l FRQCR_A, r1
mov.l FRQCR_D, r0
mov.l r0, @r1
write32 FRQCR_A, FRQCR_D
mov.l CMNCR_A, r1
mov.l CMNCR_D, r0
mov.l r0, @r1
write32 CMNCR_A, CMNCR_D
mov.l CS0BCR_A ,r1
mov.l CS0BCR_D ,r0
mov.l r0, @r1
write32 CS0BCR_A, CS0BCR_D
mov.l CS4BCR_A ,r1
mov.l CS4BCR_D ,r0
mov.l r0, @r1
write32 CS4BCR_A, CS4BCR_D
mov.l CS5ABCR_A ,r1
mov.l CS5ABCR_D ,r0
mov.l r0, @r1
write32 CS5ABCR_A, CS5ABCR_D
mov.l CS5BBCR_A ,r1
mov.l CS5BBCR_D ,r0
mov.l r0, @r1
write32 CS5BBCR_A, CS5BBCR_D
mov.l CS6ABCR_A ,r1
mov.l CS6ABCR_D ,r0
mov.l r0, @r1
write32 CS6ABCR_A, CS6ABCR_D
mov.l CS6BBCR_A ,r1
mov.l CS6BBCR_D ,r0
mov.l r0, @r1
write32 CS6BBCR_A, CS6BBCR_D
mov.l CS0WCR_A ,r1
mov.l CS0WCR_D ,r0
mov.l r0, @r1
write32 CS0WCR_A, CS0WCR_D
mov.l CS4WCR_A ,r1
mov.l CS4WCR_D ,r0
mov.l r0, @r1
write32 CS4WCR_A, CS4WCR_D
mov.l CS5AWCR_A ,r1
mov.l CS5AWCR_D ,r0
mov.l r0, @r1
write32 CS5AWCR_A, CS5AWCR_D
mov.l CS5BWCR_A ,r1
mov.l CS5BWCR_D ,r0
mov.l r0, @r1
write32 CS5BWCR_A, CS5BWCR_D
mov.l CS6AWCR_A ,r1
mov.l CS6AWCR_D ,r0
mov.l r0, @r1
write32 CS6AWCR_A, CS6AWCR_D
mov.l CS6BWCR_A ,r1
mov.l CS6BWCR_D ,r0
mov.l r0, @r1
write32 CS6BWCR_A, CS6BWCR_D
mov.l SBSC_SDCR_A, r1
mov.l SBSC_SDCR_D1, r0
mov.l r0, @r1
write32 SBSC_SDCR_A, SBSC_SDCR_D1
mov.l SBSC_SDWCR_A, r1
mov.l SBSC_SDWCR_D, r0
mov.l r0, @r1
write32 SBSC_SDWCR_A, SBSC_SDWCR_D
mov.l SBSC_SDPCR_A, r1
mov.l SBSC_SDPCR_D, r0
mov.l r0, @r1
write32 SBSC_SDPCR_A, SBSC_SDPCR_D
mov.l SBSC_RTCSR_A, r1
mov.l SBSC_RTCSR_D, r0
mov.l r0, @r1
write32 SBSC_RTCSR_A, SBSC_RTCSR_D
mov.l SBSC_RTCNT_A, r1
mov.l SBSC_RTCNT_D, r0
mov.l r0, @r1
write32 SBSC_RTCNT_A, SBSC_RTCNT_D
mov.l SBSC_RTCOR_A, r1
mov.l SBSC_RTCOR_D, r0
mov.l r0, @r1
write32 SBSC_RTCOR_A, SBSC_RTCOR_D
mov.l SBSC_SDMR3_A1, r1
mov.l SBSC_SDMR3_D, r0
mov.b r0, @r1
write8 SBSC_SDMR3_A1, SBSC_SDMR3_D
mov.l SBSC_SDMR3_A2, r1
mov.l SBSC_SDMR3_D, r0
mov.b r0, @r1
write8 SBSC_SDMR3_A2, SBSC_SDMR3_D
mov.l SLEEP_CNT, r1
2: tst r1, r1
@ -152,19 +99,13 @@ lowlevel_init:
bf/s 2b
dt r1
mov.l SBSC_SDMR3_A3, r1
mov.l SBSC_SDMR3_D, r0
mov.b r0, @r1
write8 SBSC_SDMR3_A3, SBSC_SDMR3_D
mov.l SBSC_SDCR_A, r1
mov.l SBSC_SDCR_D2, r0
mov.l r0, @r1
write32 SBSC_SDCR_A, SBSC_SDCR_D2
mov.l CCR_A, r1
mov.l CCR_D, r0
mov.l r0, @r1
write32 CCR_A, CCR_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
@ -211,7 +152,7 @@ SBSC_SDMR3_D: .long 0x00
CMNCR_A: .long CMNCR
CS0BCR_A: .long CS0BCR
CS4BCR_A: .long CS4BCR
CS5ABCR_A: .long CS5ABCR
CS5ABCR_A: .long CS5ABCR
CS5BBCR_A: .long CS5BBCR
CS6ABCR_A: .long CS6ABCR
CS6BBCR_A: .long CS6BBCR

View file

@ -8,6 +8,7 @@
#include <version.h>
#include <asm/processor.h>
#include <asm/macro.h>
.global lowlevel_init
.text
@ -15,98 +16,56 @@
lowlevel_init:
mov.l CCR_A, r1
mov.l CCR_D_D, r0
mov.l r0,@r1
write32 CCR_A, CCR_D_D
mov.l MMUCR_A,r1
mov.l MMUCR_D,r0
mov.l r0,@r1
write32 MMUCR_A, MMUCR_D
mov.l BCR1_A,r1
mov.l BCR1_D,r0
mov.l r0,@r1
write32 BCR1_A, BCR1_D
mov.l BCR2_A,r1
mov.l BCR2_D,r0
mov.w r0,@r1
write16 BCR2_A, BCR2_D
mov.l BCR3_A,r1
mov.l BCR3_D,r0
mov.w r0,@r1
write16 BCR3_A, BCR3_D
mov.l BCR4_A,r1
mov.l BCR4_D,r0
mov.l r0,@r1
write32 BCR4_A, BCR4_D
mov.l WCR1_A,r1
mov.l WCR1_D,r0
mov.l r0,@r1
write32 WCR1_A, WCR1_D
mov.l WCR2_A,r1
mov.l WCR2_D,r0
mov.l r0,@r1
write32 WCR2_A, WCR2_D
mov.l WCR3_A,r1
mov.l WCR3_D,r0
mov.l r0,@r1
write32 WCR3_A, WCR3_D
mov.l PCR_A,r1
mov.l PCR_D,r0
mov.w r0,@r1
write16 PCR_A, PCR_D
mov.l LED_A,r1
mov #0xff,r0
mov.w r0,@r1
write16 LED_A, LED_D
mov.l MCR_A,r1
mov.l MCR_D1,r0
mov.l r0,@r1
write32 MCR_A, MCR_D1
mov.l RTCNT_A,r1
mov.l RTCNT_D,r0
mov.w r0,@r1
write16 RTCNT_A, RTCNT_D
mov.l RTCOR_A,r1
mov.l RTCOR_D,r0
mov.w r0,@r1
write16 RTCOR_A, RTCOR_D
mov.l RFCR_A,r1
mov.l RFCR_D,r0
mov.w r0,@r1
write16 RFCR_A, RFCR_D
mov.l RTCSR_A,r1
mov.l RTCSR_D,r0
mov.w r0,@r1
write16 RTCSR_A, RTCSR_D
mov.l SDMR3_A,r1
mov #0x55,r0
mov.b r0,@r1
write8 SDMR3_A, SDMR3_D0
/* Wait DRAM refresh 30 times */
mov.l RFCR_A,r1
mov #30,r3
mov.l RFCR_A, r1
mov #30, r3
1:
mov.w @r1,r0
extu.w r0,r2
cmp/hi r3,r2
mov.w @r1, r0
extu.w r0, r2
cmp/hi r3, r2
bf 1b
mov.l MCR_A,r1
mov.l MCR_D2,r0
mov.l r0,@r1
write32 MCR_A, MCR_D2
mov.l SDMR3_A,r1
mov #0,r0
mov.b r0,@r1
write8 SDMR3_A, SDMR3_D1
mov.l IRLMASK_A,r1
mov.l IRLMASK_D,r0
mov.l r0,@r1
write32 IRLMASK_A, IRLMASK_D
mov.l CCR_A, r1
mov.l CCR_D_E, r0
mov.l r0, @r1
write32 CCR_A, CCR_D_E
rts
nop
@ -133,6 +92,7 @@ WCR2_D: .long 0xcff86fbf
WCR3_A: .long WCR3 /* WCR3 Address */
WCR3_D: .long 0x07777707
LED_A: .long 0x04000036 /* LED Address */
LED_D: .long 0xFF /* LED Data */
RTCNT_A: .long RTCNT /* RTCNT Address */
RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */
RTCOR_A: .long RTCOR /* RTCOR Address */
@ -140,7 +100,8 @@ RTCOR_D: .long 0xA534 /* RTCOR Write Code */
RTCSR_A: .long RTCSR /* RTCSR Address */
RTCSR_D: .long 0xA510 /* RTCSR Write Code */
SDMR3_A: .long 0xFF9400CC /* SDMR3 Address */
SDMR3_D: .long 0x55
SDMR3_D0: .long 0x55
SDMR3_D1: .long 0x00
MCR_A: .long MCR /* MCR Address */
MCR_D1: .long 0x081901F4 /* MRSET:'0' */
MCR_D2: .long 0x481901F4 /* MRSET:'1' */

View file

@ -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_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
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
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
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
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_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

View file

@ -26,6 +26,10 @@ LIB = lib$(BOARD).a
OBJS := rsk7203.o
SOBJS := lowlevel_init.o
LIB := $(addprefix $(obj),$(LIB))
OBJS := $(addprefix $(obj),$(OBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS) $(SOBJS)
$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)

View file

@ -21,6 +21,7 @@
#include <version.h>
#include <asm/processor.h>
#include <asm/macro.h>
.global lowlevel_init
@ -29,153 +30,89 @@
lowlevel_init:
/* Cache setting */
mov.l CCR1_A ,r1
mov.l CCR1_D ,r0
mov.l r0,@r1
write32 CCR1_A ,CCR1_D
/* ConfigurePortPins */
mov.l PECRL3_A, r1
mov.l PECRL3_D, r0
mov.w r0,@r1
write16 PECRL3_A, PECRL3_D
mov.l PCCRL4_A, r1
mov.l PCCRL4_D0, r0
mov.w r0,@r1
write16 PCCRL4_A, PCCRL4_D0
mov.l PECRL4_A, r1
mov.l PECRL4_D0, r0
mov.w r0,@r1
write16 PECRL4_A, PECRL4_D0
mov.l PEIORL_A, r1
mov.l PEIORL_D0, r0
mov.w r0,@r1
write16 PEIORL_A, PEIORL_D0
mov.l PCIORL_A, r1
mov.l PCIORL_D, r0
mov.w r0,@r1
write16 PCIORL_A, PCIORL_D
mov.l PFCRH2_A, r1
mov.l PFCRH2_D, r0
mov.w r0,@r1
write16 PFCRH2_A, PFCRH2_D
mov.l PFCRH3_A, r1
mov.l PFCRH3_D, r0
mov.w r0,@r1
write16 PFCRH3_A, PFCRH3_D
mov.l PFCRH1_A, r1
mov.l PFCRH1_D, r0
mov.w r0,@r1
write16 PFCRH1_A, PFCRH1_D
mov.l PFIORH_A, r1
mov.l PFIORH_D, r0
mov.w r0,@r1
write16 PFIORH_A, PFIORH_D
mov.l PECRL1_A, r1
mov.l PECRL1_D0, r0
mov.w r0,@r1
write16 PECRL1_A, PECRL1_D0
mov.l PEIORL_A, r1
mov.l PEIORL_D1, r0
mov.w r0,@r1
write16 PEIORL_A, PEIORL_D1
/* Configure Operating Frequency */
mov.l WTCSR_A ,r1
mov.l WTCSR_D0 ,r0
mov.w r0,@r1
write16 WTCSR_A, WTCSR_D0
mov.l WTCSR_A ,r1
mov.l WTCSR_D1 ,r0
mov.w r0,@r1
write16 WTCSR_A, WTCSR_D1
mov.l WTCNT_A ,r1
mov.l WTCNT_D ,r0
mov.w r0,@r1
write16 WTCNT_A, WTCNT_D
/* Set clock mode*/
mov.l FRQCR_A,r1
mov.l FRQCR_D,r0
mov.w r0,@r1
write16 FRQCR_A, FRQCR_D
/* Configure Bus And Memory */
init_bsc_cs0:
mov.l PCCRL4_A,r1
mov.l PCCRL4_D1,r0
mov.w r0,@r1
write16 PCCRL4_A, PCCRL4_D1
mov.l PECRL1_A,r1
mov.l PECRL1_D1,r0
mov.w r0,@r1
write16 PECRL1_A, PECRL1_D1
mov.l CMNCR_A,r1
mov.l CMNCR_D,r0
mov.l r0,@r1
write32 CMNCR_A, CMNCR_D
mov.l SC0BCR_A,r1
mov.l SC0BCR_D,r0
mov.l r0,@r1
write32 SC0BCR_A, SC0BCR_D
mov.l CS0WCR_A,r1
mov.l CS0WCR_D,r0
mov.l r0,@r1
write32 CS0WCR_A, CS0WCR_D
init_bsc_cs1:
mov.l PECRL4_A,r1
mov.l PECRL4_D1,r0
mov.w r0,@r1
write16 PECRL4_A, PECRL4_D1
mov.l CS1WCR_A,r1
mov.l CS1WCR_D,r0
mov.l r0,@r1
write32 CS1WCR_A, CS1WCR_D
init_sdram:
mov.l PCCRL2_A,r1
mov.l PCCRL2_D,r0
mov.w r0,@r1
write16 PCCRL2_A, PCCRL2_D
mov.l PCCRL4_A,r1
mov.l PCCRL4_D2,r0
mov.w r0,@r1
write16 PCCRL4_A, PCCRL4_D2
mov.l PCCRL1_A,r1
mov.l PCCRL1_D,r0
mov.w r0,@r1
write16 PCCRL1_A, PCCRL1_D
mov.l PCCRL3_A,r1
mov.l PCCRL3_D,r0
mov.w r0,@r1
write16 PCCRL3_A, PCCRL3_D
mov.l CS3BCR_A,r1
mov.l CS3BCR_D,r0
mov.l r0,@r1
write32 CS3BCR_A, CS3BCR_D
mov.l CS3WCR_A,r1
mov.l CS3WCR_D,r0
mov.l r0,@r1
write32 CS3WCR_A, CS3WCR_D
mov.l SDCR_A,r1
mov.l SDCR_D,r0
mov.l r0,@r1
write32 SDCR_A, SDCR_D
mov.l RTCOR_A,r1
mov.l RTCOR_D,r0
mov.l r0,@r1
write32 RTCOR_A, RTCOR_D
mov.l RTCSR_A,r1
mov.l RTCSR_D,r0
mov.l r0,@r1
write32 RTCSR_A, RTCSR_D
/* wait 200us */
mov.l REPEAT_D,r3
mov #0,r2
mov.l REPEAT_D, r3
mov #0, r2
repeat0:
add #1,r2
cmp/hs r3,r2
bf repeat0
add #1, r2
cmp/hs r3, r2
bf repeat0
nop
mov.l SDRAM_MODE, r1
mov #0,r0
mov.l r0, @r1
mov.l SDRAM_MODE, r1
mov #0, r0
mov.l r0, @r1
nop
rts
@ -208,8 +145,8 @@ PECRL1_D0: .long 0x00000033
WTCSR_A: .long 0xFFFE0000
WTCSR_D0: .long 0x0000A518
WTCSR_D1: .long 0x0000A51D
WTCSR_D0: .long 0x0000A518
WTCSR_D1: .long 0x0000A51D
WTCNT_A: .long 0xFFFE0002
WTCNT_D: .long 0x00005A84
FRQCR_A: .long 0xFFFE0010
@ -259,7 +196,7 @@ STBCR4_A: .long 0xFFFE040C
STBCR4_D: .long 0x00000008
STBCR5_A: .long 0xFFFE0410
STBCR5_D: .long 0x00000000
STBCR6_A: .long 0xFFFE0414
STBCR6_A: .long 0xFFFE0414
STBCR6_D: .long 0x00000002
SDRAM_MODE: .long 0xFFFC5040
REPEAT_D: .long 0x00009C40

View file

@ -25,6 +25,7 @@
#include <version.h>
#include <asm/processor.h>
#include <asm/macro.h>
.global lowlevel_init
@ -33,218 +34,141 @@
lowlevel_init:
mov.l WDTCSR_A, r1 /* Watchdog Control / Status Register */
mov.l WDTCSR_D, r0
mov.l r0, @r1
write32 WDTCSR_A, WDTCSR_D /* Watchdog Control / Status Register */
mov.l WDTST_A, r1 /* Watchdog Stop Time Register */
mov.l WDTST_D, r0
mov.l r0, @r1
write32 WDTST_A, WDTST_D /* Watchdog Stop Time Register */
mov.l WDTBST_A, r1 /* 0xFFCC0008 (Watchdog Base Stop Time Register */
mov.l WDTBST_D, r0
mov.l r0, @r1
write32 WDTBST_A, WDTBST_D /*
* 0xFFCC0008
* Watchdog Base Stop Time Register
*/
mov.l CCR_A, r1 /* Address of Cache Control Register */
mov.l CCR_CACHE_ICI_D, r0 /* Instruction Cache Invalidate */
mov.l r0, @r1
write32 CCR_A, CCR_CACHE_ICI_D /* Address of Cache Control Register */
/* Instruction Cache Invalidate */
mov.l MMUCR_A, r1 /* Address of MMU Control Register */
mov.l MMU_CONTROL_TI_D, r0 /* TI == TLB Invalidate bit */
mov.l r0, @r1
write32 MMUCR_A, MMU_CONTROL_TI_D /* 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 MSTPCR1_A, r1 /*i Address of Power Control Register 1 */
mov.l MSTPCR1_D, r0
mov.l r0, @r1
write32 MSTPCR1_A, MSTPCR1_D /* Address of Power Control Register 1 */
mov.l RAMCR_A,r1
mov.l RAMCR_D,r0
mov.l r0, @r1
write32 RAMCR_A, RAMCR_D
mov.l MMSELR_A,r1
mov.l MMSELR_D,r0
mov.l MMSELR_A, r1
mov.l MMSELR_D, r0
synco
mov.l r0, @r1
mov.l @r1,r2 /* execute two reads after setting MMSELR*/
mov.l @r1,r2
mov.l @r1, r2 /* execute two reads after setting MMSELR */
mov.l @r1, r2
synco
/* issue memory read */
mov.l DDRSD_START_A,r1 /* memory address to read*/
mov.l @r1,r0
mov.l DDRSD_START_A, r1 /* memory address to read*/
mov.l @r1, r0
synco
mov.l MIM8_A,r1
mov.l MIM8_D,r0
mov.l r0,@r1
write32 MIM8_A, MIM8_D
mov.l MIMC_A,r1
mov.l MIMC_D1,r0
mov.l r0,@r1
write32 MIMC_A, MIMC_D1
mov.l STRC_A,r1
mov.l STRC_D,r0
mov.l r0,@r1
write32 STRC_A, STRC_D
mov.l SDR4_A,r1
mov.l SDR4_D,r0
mov.l r0,@r1
write32 SDR4_A, SDR4_D
mov.l MIMC_A,r1
mov.l MIMC_D2,r0
mov.l r0,@r1
write32 MIMC_A, MIMC_D2
nop
nop
nop
mov.l SCR4_A,r1
mov.l SCR4_D3,r0
mov.l r0,@r1
write32 SCR4_A, SCR4_D3
mov.l SCR4_A,r1
mov.l SCR4_D2,r0
mov.l r0,@r1
write32 SCR4_A, SCR4_D2
mov.l SDMR02000_A,r1
mov.l SDMR02000_D,r0
mov.l r0,@r1
write32 SDMR02000_A, SDMR02000_D
mov.l SDMR00B08_A,r1
mov.l SDMR00B08_D,r0
mov.l r0,@r1
write32 SDMR00B08_A, SDMR00B08_D
mov.l SCR4_A,r1
mov.l SCR4_D2,r0
mov.l r0,@r1
write32 SCR4_A, SCR4_D2
mov.l SCR4_A,r1
mov.l SCR4_D4,r0
mov.l r0,@r1
write32 SCR4_A, SCR4_D4
nop
nop
nop
nop
mov.l SCR4_A,r1
mov.l SCR4_D4,r0
mov.l r0,@r1
write32 SCR4_A, SCR4_D4
nop
nop
nop
nop
mov.l SDMR00308_A,r1
mov.l SDMR00308_D,r0
mov.l r0,@r1
write32 SDMR00308_A, SDMR00308_D
mov.l MIMC_A,r1
mov.l MIMC_D3,r0
mov.l r0,@r1
write32 MIMC_A, MIMC_D3
mov.l SCR4_A,r1
mov.l SCR4_D1,r0
mov.l DELAY60_D,r3
mov.l SCR4_A, r1
mov.l SCR4_D1, r0
mov.l DELAY60_D, r3
delay_loop_60:
mov.l r0,@r1
mov.l r0, @r1
dt r3
bf delay_loop_60
nop
mov.l CCR_A, r1 /* Address of Cache Control Register */
mov.l CCR_CACHE_D_2, r0
mov.l r0, @r1
write32 CCR_A, CCR_CACHE_D_2 /* Address of Cache Control Register */
bsc_init:
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
mov.l DELAY200_D,r3
mov.l DELAY200_D, r3
delay_loop_200:
dt r3
bf delay_loop_200
nop
mov.l PSEL0_A,r1
mov.l PSEL0_D,r0
mov.w r0,@r1
write16 PSEL0_A, PSEL0_D
mov.l PSEL1_A,r1
mov.l PSEL1_D,r0
mov.w r0,@r1
write16 PSEL1_A, PSEL1_D
mov.l ICR0_A,r1
mov.l ICR0_D,r0
mov.l r0,@r1
write32 ICR0_A, ICR0_D
stc sr, r0 /* BL bit off(init=ON) */
mov.l SR_MASK_D, r1
mov.l SR_MASK_D, r1
and r1, r0
ldc r0, sr
@ -321,7 +245,7 @@ CS4BCR_D: .long 0x77777670
CS5BCR_D: .long 0x77777670
CS6BCR_D: .long 0x77777670
CS0WCR_D: .long 0x7777770F
CS1WCR_D: .long 0x22000002
CS1WCR_D: .long 0x22000002
CS2WCR_D: .long 0x7777770F
CS4WCR_D: .long 0x7777770F
CS5WCR_D: .long 0x7777770F

View file

@ -19,33 +19,7 @@
#include <config.h>
#include <version.h>
#include <asm/processor.h>
.macro write32, addr, data
mov.l \addr ,r1
mov.l \data ,r0
mov.l r0, @r1
.endm
.macro write16, addr, data
mov.l \addr ,r1
mov.l \data ,r0
mov.w r0, @r1
.endm
.macro write8, addr, data
mov.l \addr ,r1
mov.l \data ,r0
mov.b r0, @r1
.endm
.macro wait_timer, time
mov.l \time ,r3
1:
nop
tst r3, r3
bf/s 1b
dt r3
.endm
#include <asm/macro.h>
#include <asm/processor.h>
@ -305,7 +279,7 @@ CS4WCR_D: .long 0x00101012
CS_USB_BCR_D: .long 0x11111200
CS_USB_WCR_D: .long 0x00020004
/* SD setting : 32bit mode = CS3, 29bit mode = CS6 */
/* SD setting : 32bit mode = CS3, 29bit mode = CS6 */
CS_SD_BCR_D: .long 0x00000300
CS_SD_WCR_D: .long 0x00030108

View file

@ -28,19 +28,24 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
OBJS = cpu.o interrupts.o watchdog.o
SOBJS = start.o
COBJS = cpu.o interrupts.o watchdog.o
all: .depend $(START) $(LIB)
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
$(LIB): $(OBJS) $(SOBJS)
$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak $(obj).depend
#########################################################################
.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
# defines $(obj).depend target
include $(SRCTREE)/rules.mk

View file

@ -18,6 +18,7 @@
*/
#include <common.h>
#include <asm/io.h>
#include <asm/processor.h>
#if defined(CONFIG_CONS_SCIF0)
@ -49,7 +50,7 @@
# define SCFRDR (vu_char *)(SCIF_BASE + 0x24)
#else
# define SCFTDR (vu_char *)(SCIF_BASE + 0xC)
# define SCFSR (vu_short *)(SCIF_BASE + 0x10)
# define SCFSR (vu_short *)(SCIF_BASE + 0x10)
# define SCFRDR (vu_char *)(SCIF_BASE + 0x14)
#endif
@ -64,7 +65,7 @@
#elif defined(CONFIG_CPU_SH7763)
# if defined(CONFIG_CONS_SCIF2)
# define SCSPTR (vu_short *)(SCIF_BASE + 0x20)
# define SCLSR (vu_short *)(SCIF_BASE + 0x24)
# define SCLSR (vu_short *)(SCIF_BASE + 0x24)
# define LSR_ORER 1
# define FIFOLEVEL_MASK 0x1F
# else
@ -90,7 +91,7 @@
defined(CONFIG_CPU_SH7722) || \
defined(CONFIG_CPU_SH7203)
# define SCSPTR (vu_short *)(SCIF_BASE + 0x20)
# define SCLSR (vu_short *)(SCIF_BASE + 0x24)
# define SCLSR (vu_short *)(SCIF_BASE + 0x24)
# define LSR_ORER 1
# define FIFOLEVEL_MASK 0x1F
#elif defined(CONFIG_CPU_SH7720)
@ -106,42 +107,43 @@
/* SCBRR register value setting */
#if defined(CONFIG_CPU_SH7720)
# define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
# define SCBRR_VALUE(bps, clk) (((clk * 2) + 16 * bps) / (32 * bps) - 1)
#elif defined(CONFIG_CPU_SH7723) && defined(CONFIG_SCIF_A)
/* SH7723 SCIFA use bus clock. So clock *2 */
# define SCBRR_VALUE(bps, clk) (((clk*2*2)+16*bps)/(32*bps)-1)
# define SCBRR_VALUE(bps, clk) (((clk * 2 * 2) + 16 * bps) / (32 * bps) - 1)
#else /* Generic SuperH */
# define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
# define SCBRR_VALUE(bps, clk) ((clk + 16 * bps) / (32 * bps) - 1)
#endif
#define SCR_RE (1 << 4)
#define SCR_TE (1 << 5)
#define SCR_RE (1 << 4)
#define SCR_TE (1 << 5)
#define FCR_RFRST (1 << 1) /* RFCL */
#define FCR_TFRST (1 << 2) /* TFCL */
#define FSR_DR (1 << 0)
#define FSR_RDF (1 << 1)
#define FSR_FER (1 << 3)
#define FSR_BRK (1 << 4)
#define FSR_FER (1 << 3)
#define FSR_TEND (1 << 6)
#define FSR_ER (1 << 7)
#define FSR_DR (1 << 0)
#define FSR_RDF (1 << 1)
#define FSR_FER (1 << 3)
#define FSR_BRK (1 << 4)
#define FSR_FER (1 << 3)
#define FSR_TEND (1 << 6)
#define FSR_ER (1 << 7)
/*----------------------------------------------------------------------*/
void serial_setbrg(void)
{
DECLARE_GLOBAL_DATA_PTR;
*SCBRR = SCBRR_VALUE(gd->baudrate, CONFIG_SYS_CLK_FREQ);
writeb(SCBRR_VALUE(gd->baudrate, CONFIG_SYS_CLK_FREQ), SCBRR);
}
int serial_init(void)
{
*SCSCR = (SCR_RE | SCR_TE);
*SCSMR = 0;
*SCSMR = 0;
*SCFCR = (FCR_RFRST | FCR_TFRST);
*SCFCR;
*SCFCR = 0;
writew((SCR_RE | SCR_TE), SCSCR);
writew(0, SCSMR);
writew(0, SCSMR);
writew((FCR_RFRST | FCR_TFRST), SCFCR);
readw(SCFCR);
writew(0, SCFCR);
serial_setbrg();
return 0;
@ -150,9 +152,9 @@ int serial_init(void)
static int serial_rx_fifo_level(void)
{
#if defined(SCRFDR)
return (*SCRFDR >> 0) & FIFOLEVEL_MASK;
return (readw(SCRFDR) >> 0) & FIFOLEVEL_MASK;
#else
return (*SCFDR >> 0) & FIFOLEVEL_MASK;
return (readw(SCFDR) >> 0) & FIFOLEVEL_MASK;
#endif
}
@ -161,15 +163,15 @@ void serial_raw_putc(const char c)
unsigned int fsr_bits_to_clear;
while (1) {
if (*SCFSR & FSR_TEND) { /* Tx fifo is empty */
if (readw(SCFSR) & FSR_TEND) { /* Tx fifo is empty */
fsr_bits_to_clear = FSR_TEND;
break;
}
}
*SCFTDR = c;
writeb(c, SCFTDR);
if (fsr_bits_to_clear != 0)
*SCFSR &= ~fsr_bits_to_clear;
writew(readw(SCFSR) & ~fsr_bits_to_clear, SCFSR);
}
void serial_putc(const char c)
@ -191,26 +193,25 @@ int serial_tstc(void)
return serial_rx_fifo_level() ? 1 : 0;
}
#define FSR_ERR_CLEAR 0x0063
#define RDRF_CLEAR 0x00fc
#define FSR_ERR_CLEAR 0x0063
#define RDRF_CLEAR 0x00fc
void handle_error(void)
{
(void)*SCFSR;
*SCFSR = FSR_ERR_CLEAR;
(void)*SCLSR;
*SCLSR = 0x00;
readw(SCFSR);
writew(FSR_ERR_CLEAR, SCFSR);
readw(SCLSR);
writew(0x00, SCLSR);
}
int serial_getc_check(void)
{
unsigned short status;
status = *SCFSR;
status = readw(SCFSR);
if (status & (FSR_FER | FSR_ER | FSR_BRK))
handle_error();
if (*SCLSR & LSR_ORER)
if (readw(SCLSR) & LSR_ORER)
handle_error();
return status & (FSR_DR | FSR_RDF);
}
@ -223,15 +224,15 @@ int serial_getc(void)
while (!serial_getc_check())
;
ch = *SCFRDR;
status = *SCFSR;
ch = readb(SCFRDR);
status = readw(SCFSR);
*SCFSR = RDRF_CLEAR;
writew(RDRF_CLEAR, SCFSR);
if (status & (FSR_FER | FSR_FER | FSR_ER | FSR_BRK))
handle_error();
if (*SCLSR & LSR_ORER)
if (readw(SCLSR) & LSR_ORER)
handle_error();
return ch;

52
include/asm-sh/macro.h Normal file
View file

@ -0,0 +1,52 @@
/*
* Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __MACRO_H__
#define __MACRO_H__
#ifdef __ASSEMBLY__
.macro write32, addr, data
mov.l \addr ,r1
mov.l \data ,r0
mov.l r0, @r1
.endm
.macro write16, addr, data
mov.l \addr ,r1
mov.l \data ,r0
mov.w r0, @r1
.endm
.macro write8, addr, data
mov.l \addr ,r1
mov.l \data ,r0
mov.b r0, @r1
.endm
.macro wait_timer, time
mov.l \time ,r3
1:
nop
tst r3, r3
bf/s 1b
dt r3
.endm
#endif /* __ASSEMBLY__ */
#endif /* __MACRO_H__ */

View file

@ -49,21 +49,21 @@ int timer_init (void)
{
/* Divide clock by TMU_CLK_DIVIDER */
u16 bit = 0;
switch( TMU_CLK_DIVIDER ){
case 4:
bit = 0;
break;
case 16:
bit = 1;
break;
case 64: bit = 2;
switch (TMU_CLK_DIVIDER) {
case 1024:
bit = 4;
break;
case 256:
bit = 3;
break;
case 1024:
bit = 4;
case 64:
bit = 2;
break;
case 16:
bit = 1;
break;
case 4:
default:
bit = 0;
break;
@ -71,7 +71,7 @@ int timer_init (void)
writew(readw(TCR0) | bit, TCR0);
/* Clock adjustment calc */
clk_adj = (int)(1.0/((1.0/CONFIG_SYS_HZ)*1000000));
clk_adj = (int)(1.0 / ((1.0 / CONFIG_SYS_HZ) * 1000000));
if (clk_adj < 1)
clk_adj = 1;
@ -102,8 +102,8 @@ void udelay (unsigned long usec)
unsigned long get_timer (unsigned long base)
{
/* return msec */
return ((get_usec()/clk_adj)/1000) - base;
/* return msec */
return ((get_usec() / clk_adj) / 1000) - base;
}
void set_timer (unsigned long t)

View file

@ -28,7 +28,7 @@
#include <asm/io.h>
#include <asm/processor.h>
#define CMT_CMCSR_INIT 0x0001 /* PCLK/32 */
#define CMT_CMCSR_INIT 0x0001 /* PCLK/32 */
#define CMT_CMCSR_CALIB 0x0000
#define CMT_MAX_COUNTER (0xFFFFFFFF)
#define CMT_TIMER_RESET (0xFFFF)
@ -87,7 +87,7 @@ static unsigned long get_usec (void)
/* return msec */
ulong get_timer(ulong base)
{
return (get_usec()/1000) - base;
return (get_usec() / 1000) - base;
}
void set_timer(ulong t)