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/* 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
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