| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> |
| */ |
| #include <config.h> |
| #include <asm/processor.h> |
| #include <asm/macro.h> |
| |
| #include <asm/processor.h> |
| |
| .global lowlevel_init |
| |
| .text |
| .align 2 |
| |
| lowlevel_init: |
| wait_timer WAIT_200US |
| wait_timer WAIT_200US |
| |
| /*------- LBSC -------*/ |
| write32 MMSELR_A, MMSELR_D |
| |
| /*------- DBSC2 -------*/ |
| write32 DBSC2_DBCONF_A, DBSC2_DBCONF_D |
| write32 DBSC2_DBTR0_A, DBSC2_DBTR0_D |
| write32 DBSC2_DBTR1_A, DBSC2_DBTR1_D |
| write32 DBSC2_DBTR2_A, DBSC2_DBTR2_D |
| write32 DBSC2_DBFREQ_A, DBSC2_DBFREQ_D1 |
| write32 DBSC2_DBFREQ_A, DBSC2_DBFREQ_D2 |
| wait_timer WAIT_200US |
| |
| write32 DBSC2_DBDICODTOCD_A, DBSC2_DBDICODTOCD_D |
| write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_CKE_H |
| wait_timer WAIT_200US |
| write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_PALL |
| write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS2 |
| write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS3 |
| write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_1 |
| write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_MRS_1 |
| write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_PALL |
| write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_REF |
| write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_REF |
| write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_MRS_2 |
| wait_timer WAIT_200US |
| |
| write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_2 |
| write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_1 |
| |
| write32 DBSC2_DBEN_A, DBSC2_DBEN_D |
| write32 DBSC2_DBRFCNT1_A, DBSC2_DBRFCNT1_D |
| write32 DBSC2_DBRFCNT2_A, DBSC2_DBRFCNT2_D |
| write32 DBSC2_DBRFCNT0_A, DBSC2_DBRFCNT0_D |
| wait_timer WAIT_200US |
| |
| /*------- GPIO -------*/ |
| write16 PACR_A, PXCR_D |
| write16 PBCR_A, PXCR_D |
| write16 PCCR_A, PXCR_D |
| write16 PDCR_A, PXCR_D |
| write16 PECR_A, PXCR_D |
| write16 PFCR_A, PXCR_D |
| write16 PGCR_A, PXCR_D |
| write16 PHCR_A, PHCR_D |
| write16 PJCR_A, PJCR_D |
| write16 PKCR_A, PKCR_D |
| write16 PLCR_A, PXCR_D |
| write16 PMCR_A, PMCR_D |
| write16 PNCR_A, PNCR_D |
| write16 PPCR_A, PXCR_D |
| write16 PQCR_A, PXCR_D |
| write16 PRCR_A, PXCR_D |
| |
| write8 PEPUPR_A, PEPUPR_D |
| write8 PHPUPR_A, PHPUPR_D |
| write8 PJPUPR_A, PJPUPR_D |
| write8 PKPUPR_A, PKPUPR_D |
| write8 PLPUPR_A, PLPUPR_D |
| write8 PMPUPR_A, PMPUPR_D |
| write8 PNPUPR_A, PNPUPR_D |
| write16 PPUPR1_A, PPUPR1_D |
| write16 PPUPR2_A, PPUPR2_D |
| write16 P1MSELR_A, P1MSELR_D |
| write16 P2MSELR_A, P2MSELR_D |
| |
| /*------- LBSC -------*/ |
| write32 BCR_A, BCR_D |
| write32 CS0BCR_A, CS0BCR_D |
| write32 CS0WCR_A, CS0WCR_D |
| write32 CS1BCR_A, CS1BCR_D |
| write32 CS1WCR_A, CS1WCR_D |
| write32 CS4BCR_A, CS4BCR_D |
| write32 CS4WCR_A, CS4WCR_D |
| |
| mov.l PASCR_A, r0 |
| mov.l @r0, r2 |
| mov.l PASCR_32BIT_MODE, r1 |
| tst r1, r2 |
| bt lbsc_29bit |
| |
| write32 CS2BCR_A, CS_USB_BCR_D |
| write32 CS2WCR_A, CS_USB_WCR_D |
| write32 CS3BCR_A, CS_SD_BCR_D |
| write32 CS3WCR_A, CS_SD_WCR_D |
| write32 CS5BCR_A, CS_I2C_BCR_D |
| write32 CS5WCR_A, CS_I2C_WCR_D |
| write32 CS6BCR_A, CS0BCR_D |
| write32 CS6WCR_A, CS0WCR_D |
| bra lbsc_end |
| nop |
| |
| lbsc_29bit: |
| write32 CS5BCR_A, CS_USB_BCR_D |
| write32 CS5WCR_A, CS_USB_WCR_D |
| write32 CS6BCR_A, CS_SD_BCR_D |
| write32 CS6WCR_A, CS_SD_WCR_D |
| |
| lbsc_end: |
| #if defined(CONFIG_SH_32BIT) |
| /*------- set PMB -------*/ |
| write32 PASCR_A, PASCR_29BIT_D |
| write32 MMUCR_A, MMUCR_D |
| |
| /***************************************************************** |
| * ent virt phys v sz c wt |
| * 0 0xa0000000 0x00000000 1 64M 0 0 |
| * 1 0xa4000000 0x04000000 1 16M 0 0 |
| * 2 0xa6000000 0x08000000 1 16M 0 0 |
| * 9 0x88000000 0x48000000 1 128M 1 1 |
| * 10 0x90000000 0x50000000 1 128M 1 1 |
| * 11 0x98000000 0x58000000 1 128M 1 1 |
| * 13 0xa8000000 0x48000000 1 128M 0 0 |
| * 14 0xb0000000 0x50000000 1 128M 0 0 |
| * 15 0xb8000000 0x58000000 1 128M 0 0 |
| */ |
| write32 PMB_ADDR_FLASH_A, PMB_ADDR_FLASH_D |
| write32 PMB_DATA_FLASH_A, PMB_DATA_FLASH_D |
| write32 PMB_ADDR_CPLD_A, PMB_ADDR_CPLD_D |
| write32 PMB_DATA_CPLD_A, PMB_DATA_CPLD_D |
| write32 PMB_ADDR_USB_A, PMB_ADDR_USB_D |
| write32 PMB_DATA_USB_A, PMB_DATA_USB_D |
| write32 PMB_ADDR_DDR_C1_A, PMB_ADDR_DDR_C1_D |
| write32 PMB_DATA_DDR_C1_A, PMB_DATA_DDR_C1_D |
| write32 PMB_ADDR_DDR_C2_A, PMB_ADDR_DDR_C2_D |
| write32 PMB_DATA_DDR_C2_A, PMB_DATA_DDR_C2_D |
| write32 PMB_ADDR_DDR_C3_A, PMB_ADDR_DDR_C3_D |
| write32 PMB_DATA_DDR_C3_A, PMB_DATA_DDR_C3_D |
| write32 PMB_ADDR_DDR_N1_A, PMB_ADDR_DDR_N1_D |
| write32 PMB_DATA_DDR_N1_A, PMB_DATA_DDR_N1_D |
| write32 PMB_ADDR_DDR_N2_A, PMB_ADDR_DDR_N2_D |
| write32 PMB_DATA_DDR_N2_A, PMB_DATA_DDR_N2_D |
| write32 PMB_ADDR_DDR_N3_A, PMB_ADDR_DDR_N3_D |
| write32 PMB_DATA_DDR_N3_A, PMB_DATA_DDR_N3_D |
| |
| write32 PASCR_A, PASCR_INIT |
| mov.l DUMMY_ADDR, r0 |
| icbi @r0 |
| #endif |
| |
| write32 CCR_A, CCR_D |
| |
| rts |
| nop |
| |
| .align 4 |
| |
| /*------- GPIO -------*/ |
| /* P{A,B C,D,E,F,G,L,P,Q,R}CR_D */ |
| PXCR_D: .word 0x0000 |
| |
| PHCR_D: .word 0x00c0 |
| PJCR_D: .word 0xc3fc |
| PKCR_D: .word 0x03ff |
| PMCR_D: .word 0xffff |
| PNCR_D: .word 0xf0c3 |
| |
| PEPUPR_D: .long 0xff |
| PHPUPR_D: .long 0x00 |
| PJPUPR_D: .long 0x00 |
| PKPUPR_D: .long 0x00 |
| PLPUPR_D: .long 0x00 |
| PMPUPR_D: .long 0xfc |
| PNPUPR_D: .long 0x00 |
| PPUPR1_D: .word 0xffbf |
| PPUPR2_D: .word 0xff00 |
| P1MSELR_D: .word 0x3780 |
| P2MSELR_D: .word 0x0000 |
| |
| #define GPIO_BASE 0xffe70000 |
| PACR_A: .long GPIO_BASE + 0x00 |
| PBCR_A: .long GPIO_BASE + 0x02 |
| PCCR_A: .long GPIO_BASE + 0x04 |
| PDCR_A: .long GPIO_BASE + 0x06 |
| PECR_A: .long GPIO_BASE + 0x08 |
| PFCR_A: .long GPIO_BASE + 0x0a |
| PGCR_A: .long GPIO_BASE + 0x0c |
| PHCR_A: .long GPIO_BASE + 0x0e |
| PJCR_A: .long GPIO_BASE + 0x10 |
| PKCR_A: .long GPIO_BASE + 0x12 |
| PLCR_A: .long GPIO_BASE + 0x14 |
| PMCR_A: .long GPIO_BASE + 0x16 |
| PNCR_A: .long GPIO_BASE + 0x18 |
| PPCR_A: .long GPIO_BASE + 0x1a |
| PQCR_A: .long GPIO_BASE + 0x1c |
| PRCR_A: .long GPIO_BASE + 0x1e |
| PEPUPR_A: .long GPIO_BASE + 0x48 |
| PHPUPR_A: .long GPIO_BASE + 0x4e |
| PJPUPR_A: .long GPIO_BASE + 0x50 |
| PKPUPR_A: .long GPIO_BASE + 0x52 |
| PLPUPR_A: .long GPIO_BASE + 0x54 |
| PMPUPR_A: .long GPIO_BASE + 0x56 |
| PNPUPR_A: .long GPIO_BASE + 0x58 |
| PPUPR1_A: .long GPIO_BASE + 0x60 |
| PPUPR2_A: .long GPIO_BASE + 0x62 |
| P1MSELR_A: .long GPIO_BASE + 0x80 |
| P2MSELR_A: .long GPIO_BASE + 0x82 |
| |
| MMSELR_A: .long 0xfc400020 |
| #if defined(CONFIG_SH_32BIT) |
| MMSELR_D: .long 0xa5a50005 |
| #else |
| MMSELR_D: .long 0xa5a50002 |
| #endif |
| |
| /*------- DBSC2 -------*/ |
| #define DBSC2_BASE 0xfe800000 |
| DBSC2_DBSTATE_A: .long DBSC2_BASE + 0x0c |
| DBSC2_DBEN_A: .long DBSC2_BASE + 0x10 |
| DBSC2_DBCMDCNT_A: .long DBSC2_BASE + 0x14 |
| DBSC2_DBCONF_A: .long DBSC2_BASE + 0x20 |
| DBSC2_DBTR0_A: .long DBSC2_BASE + 0x30 |
| DBSC2_DBTR1_A: .long DBSC2_BASE + 0x34 |
| DBSC2_DBTR2_A: .long DBSC2_BASE + 0x38 |
| DBSC2_DBRFCNT0_A: .long DBSC2_BASE + 0x40 |
| DBSC2_DBRFCNT1_A: .long DBSC2_BASE + 0x44 |
| DBSC2_DBRFCNT2_A: .long DBSC2_BASE + 0x48 |
| DBSC2_DBRFSTS_A: .long DBSC2_BASE + 0x4c |
| DBSC2_DBFREQ_A: .long DBSC2_BASE + 0x50 |
| DBSC2_DBDICODTOCD_A:.long DBSC2_BASE + 0x54 |
| DBSC2_DBMRCNT_A: .long DBSC2_BASE + 0x60 |
| DDR_DUMMY_ACCESS_A: .long 0x40000000 |
| |
| DBSC2_DBCONF_D: .long 0x00630002 |
| DBSC2_DBTR0_D: .long 0x050b1f04 |
| DBSC2_DBTR1_D: .long 0x00040204 |
| DBSC2_DBTR2_D: .long 0x02100308 |
| DBSC2_DBFREQ_D1: .long 0x00000000 |
| DBSC2_DBFREQ_D2: .long 0x00000100 |
| DBSC2_DBDICODTOCD_D:.long 0x000f0907 |
| |
| DBSC2_DBCMDCNT_D_CKE_H: .long 0x00000003 |
| DBSC2_DBCMDCNT_D_PALL: .long 0x00000002 |
| DBSC2_DBCMDCNT_D_REF: .long 0x00000004 |
| |
| DBSC2_DBMRCNT_D_EMRS2: .long 0x00020000 |
| DBSC2_DBMRCNT_D_EMRS3: .long 0x00030000 |
| DBSC2_DBMRCNT_D_EMRS1_1: .long 0x00010006 |
| DBSC2_DBMRCNT_D_EMRS1_2: .long 0x00010386 |
| DBSC2_DBMRCNT_D_MRS_1: .long 0x00000952 |
| DBSC2_DBMRCNT_D_MRS_2: .long 0x00000852 |
| |
| DBSC2_DBEN_D: .long 0x00000001 |
| |
| DBSC2_DBPDCNT0_D3: .long 0x00000080 |
| DBSC2_DBRFCNT1_D: .long 0x00000926 |
| DBSC2_DBRFCNT2_D: .long 0x00fe00fe |
| DBSC2_DBRFCNT0_D: .long 0x00010000 |
| |
| WAIT_200US: .long 33333 |
| |
| /*------- LBSC -------*/ |
| PASCR_A: .long 0xff000070 |
| PASCR_32BIT_MODE: .long 0x80000000 /* check booting mode */ |
| |
| BCR_A: .long BCR |
| CS0BCR_A: .long CS0BCR |
| CS0WCR_A: .long CS0WCR |
| CS1BCR_A: .long CS1BCR |
| CS1WCR_A: .long CS1WCR |
| CS2BCR_A: .long CS2BCR |
| CS2WCR_A: .long CS2WCR |
| CS3BCR_A: .long CS3BCR |
| CS3WCR_A: .long CS3WCR |
| CS4BCR_A: .long CS4BCR |
| CS4WCR_A: .long CS4WCR |
| CS5BCR_A: .long CS5BCR |
| CS5WCR_A: .long CS5WCR |
| CS6BCR_A: .long CS6BCR |
| CS6WCR_A: .long CS6WCR |
| |
| BCR_D: .long 0x80000003 |
| CS0BCR_D: .long 0x22222340 |
| CS0WCR_D: .long 0x00111118 |
| CS1BCR_D: .long 0x11111100 |
| CS1WCR_D: .long 0x33333303 |
| CS4BCR_D: .long 0x11111300 |
| CS4WCR_D: .long 0x00101012 |
| |
| /* USB setting : 32bit mode = CS2, 29bit mode = CS5 */ |
| CS_USB_BCR_D: .long 0x11111200 |
| CS_USB_WCR_D: .long 0x00020005 |
| |
| /* SD setting : 32bit mode = CS3, 29bit mode = CS6 */ |
| CS_SD_BCR_D: .long 0x00000300 |
| CS_SD_WCR_D: .long 0x00030108 |
| |
| /* I2C setting : 32bit mode = CS5, 29bit mode = CS1(already setting) */ |
| CS_I2C_BCR_D: .long 0x11111100 |
| CS_I2C_WCR_D: .long 0x00000003 |
| |
| #if defined(CONFIG_SH_32BIT) |
| /*------- set PMB -------*/ |
| PMB_ADDR_FLASH_A: .long PMB_ADDR_BASE(0) |
| PMB_ADDR_CPLD_A: .long PMB_ADDR_BASE(1) |
| PMB_ADDR_USB_A: .long PMB_ADDR_BASE(2) |
| PMB_ADDR_DDR_C1_A: .long PMB_ADDR_BASE(9) |
| PMB_ADDR_DDR_C2_A: .long PMB_ADDR_BASE(10) |
| PMB_ADDR_DDR_C3_A: .long PMB_ADDR_BASE(11) |
| PMB_ADDR_DDR_N1_A: .long PMB_ADDR_BASE(13) |
| PMB_ADDR_DDR_N2_A: .long PMB_ADDR_BASE(14) |
| PMB_ADDR_DDR_N3_A: .long PMB_ADDR_BASE(15) |
| |
| PMB_ADDR_FLASH_D: .long mk_pmb_addr_val(0xa0) |
| PMB_ADDR_CPLD_D: .long mk_pmb_addr_val(0xa4) |
| PMB_ADDR_USB_D: .long mk_pmb_addr_val(0xa6) |
| PMB_ADDR_DDR_C1_D: .long mk_pmb_addr_val(0x88) |
| PMB_ADDR_DDR_C2_D: .long mk_pmb_addr_val(0x90) |
| PMB_ADDR_DDR_C3_D: .long mk_pmb_addr_val(0x98) |
| PMB_ADDR_DDR_N1_D: .long mk_pmb_addr_val(0xa8) |
| PMB_ADDR_DDR_N2_D: .long mk_pmb_addr_val(0xb0) |
| PMB_ADDR_DDR_N3_D: .long mk_pmb_addr_val(0xb8) |
| |
| PMB_DATA_FLASH_A: .long PMB_DATA_BASE(0) |
| PMB_DATA_CPLD_A: .long PMB_DATA_BASE(1) |
| PMB_DATA_USB_A: .long PMB_DATA_BASE(2) |
| PMB_DATA_DDR_C1_A: .long PMB_DATA_BASE(9) |
| PMB_DATA_DDR_C2_A: .long PMB_DATA_BASE(10) |
| PMB_DATA_DDR_C3_A: .long PMB_DATA_BASE(11) |
| PMB_DATA_DDR_N1_A: .long PMB_DATA_BASE(13) |
| PMB_DATA_DDR_N2_A: .long PMB_DATA_BASE(14) |
| PMB_DATA_DDR_N3_A: .long PMB_DATA_BASE(15) |
| |
| /* ppn ub v s1 s0 c wt */ |
| PMB_DATA_FLASH_D: .long mk_pmb_data_val(0x00, 1, 1, 0, 1, 0, 1) |
| PMB_DATA_CPLD_D: .long mk_pmb_data_val(0x04, 1, 1, 0, 0, 0, 1) |
| PMB_DATA_USB_D: .long mk_pmb_data_val(0x08, 1, 1, 0, 0, 0, 1) |
| PMB_DATA_DDR_C1_D: .long mk_pmb_data_val(0x48, 0, 1, 1, 0, 1, 1) |
| PMB_DATA_DDR_C2_D: .long mk_pmb_data_val(0x50, 0, 1, 1, 0, 1, 1) |
| PMB_DATA_DDR_C3_D: .long mk_pmb_data_val(0x58, 0, 1, 1, 0, 1, 1) |
| PMB_DATA_DDR_N1_D: .long mk_pmb_data_val(0x48, 1, 1, 1, 0, 0, 1) |
| PMB_DATA_DDR_N2_D: .long mk_pmb_data_val(0x50, 1, 1, 1, 0, 0, 1) |
| PMB_DATA_DDR_N3_D: .long mk_pmb_data_val(0x58, 1, 1, 1, 0, 0, 1) |
| |
| DUMMY_ADDR: .long 0xa0000000 |
| PASCR_29BIT_D: .long 0x00000000 |
| PASCR_INIT: .long 0x80000080 /* check booting mode */ |
| MMUCR_A: .long 0xff000010 |
| MMUCR_D: .long 0x00000004 /* clear ITLB */ |
| #endif /* CONFIG_SH_32BIT */ |
| |
| CCR_A: .long 0xff00001c |
| CCR_D: .long 0x0000090b |
