/* * 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> #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, 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: #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 /*------- LBSC -------*/ 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 /*------- GPIO -------*/ 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 #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 /*------- 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 #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