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