| /* |
| * 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 |
| */ |
| #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/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, PACR_D |
| write16 PBCR_A, PBCR_D |
| write16 PCCR_A, PCCR_D |
| write16 PDCR_A, PDCR_D |
| write16 PECR_A, PECR_D |
| write16 PFCR_A, PFCR_D |
| write16 PGCR_A, PGCR_D |
| write16 PHCR_A, PHCR_D |
| write16 PJCR_A, PJCR_D |
| write16 PKCR_A, PKCR_D |
| write16 PLCR_A, PLCR_D |
| write16 PMCR_A, PMCR_D |
| write16 PNCR_A, PNCR_D |
| write16 PPCR_A, PPCR_D |
| write16 PQCR_A, PQCR_D |
| write16 PRCR_A, PRCR_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: |
| |
| write32 CCR_A, CCR_D |
| |
| rts |
| nop |
| |
| .align 4 |
| |
| /*------- LBSC -------*/ |
| MMSELR_A: .long 0xfc400020 |
| MMSELR_D: .long 0xa5a50002 |
| |
| /*------- 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 |
| |
| /*------- GPIO -------*/ |
| #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 |
| |
| PACR_D: .long 0x0000 |
| PBCR_D: .long 0x0000 |
| PCCR_D: .long 0x0000 |
| PDCR_D: .long 0x0000 |
| PECR_D: .long 0x0000 |
| PFCR_D: .long 0x0000 |
| PGCR_D: .long 0x0000 |
| PHCR_D: .long 0x00c0 |
| PJCR_D: .long 0xc3fc |
| PKCR_D: .long 0x03ff |
| PLCR_D: .long 0x0000 |
| PMCR_D: .long 0xffff |
| PNCR_D: .long 0xf0c3 |
| PPCR_D: .long 0x0000 |
| PQCR_D: .long 0x0000 |
| PRCR_D: .long 0x0000 |
| |
| 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: .long 0xffbf |
| PPUPR2_D: .long 0xff00 |
| P1MSELR_D: .long 0x3780 |
| P2MSELR_D: .long 0x0000 |
| |
| /*------- 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 0x00020004 |
| |
| /* 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 |
| |
| CCR_A: .long 0xff00001c |
| CCR_D: .long 0x0000090b |