diff options
Diffstat (limited to 'board/renesas/sh7753evb/lowlevel_init.S')
| -rw-r--r-- | board/renesas/sh7753evb/lowlevel_init.S | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/board/renesas/sh7753evb/lowlevel_init.S b/board/renesas/sh7753evb/lowlevel_init.S deleted file mode 100644 index 901e9eb648..0000000000 --- a/board/renesas/sh7753evb/lowlevel_init.S +++ /dev/null @@ -1,414 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2013 Renesas Solutions Corp. - */ - -#include <config.h> -#include <asm/processor.h> -#include <asm/macro.h> - -.macro or32, addr, data - mov.l \addr, r1 - mov.l \data, r0 - mov.l @r1, r2 - or r2, r0 - mov.l r0, @r1 -.endm - -.macro wait_DBCMD - mov.l DBWAIT_A, r0 - mov.l @r0, r1 -.endm - - .global lowlevel_init - .section .spiboot1.text - .align 2 - -lowlevel_init: - mov #0, r14 - mova 2f, r0 - mov.l PC_MASK, r1 - tst r0, r1 - bf 2f - - bra exit_pmb - nop - - .align 2 - -/* If CPU runs on SDRAM (PC=0x5???????) or not. */ -PC_MASK: .long 0x20000000 - -2: - mov #1, r14 - - mov.l EXPEVT_A, r0 - mov.l @r0, r0 - mov.l EXPEVT_POWER_ON_RESET, r1 - cmp/eq r0, r1 - bt 1f - - /* - * If EXPEVT value is manual reset or tlb multipul-hit, - * initialization of DBSC3 is not necessary. - */ - bra exit_ddr - nop - -1: - /*------- Reset -------*/ - write32 MRSTCR0_A, MRSTCR0_D - write32 MRSTCR1_A, MRSTCR1_D - - /* For Core Reset */ - mov.l DBACEN_A, r0 - mov.l @r0, r0 - cmp/eq #0, r0 - bt 3f - - /* - * If DBACEN == 1(DBSC was already enabled), we have to avoid the - * initialization of DDR3-SDRAM. - */ - bra exit_ddr - nop - -3: - /*------- DBSC3 -------*/ - /* oscillation stabilization time */ - wait_timer WAIT_OSC_TIME - - /* step 3 */ - write32 DBKIND_A, DBKIND_D - - /* step 4 */ - write32 DBCONF_A, DBCONF_D - write32 DBTR0_A, DBTR0_D - write32 DBTR1_A, DBTR1_D - write32 DBTR2_A, DBTR2_D - write32 DBTR3_A, DBTR3_D - write32 DBTR4_A, DBTR4_D - write32 DBTR5_A, DBTR5_D - write32 DBTR6_A, DBTR6_D - write32 DBTR7_A, DBTR7_D - write32 DBTR8_A, DBTR8_D - write32 DBTR9_A, DBTR9_D - write32 DBTR10_A, DBTR10_D - write32 DBTR11_A, DBTR11_D - write32 DBTR12_A, DBTR12_D - write32 DBTR13_A, DBTR13_D - write32 DBTR14_A, DBTR14_D - write32 DBTR15_A, DBTR15_D - write32 DBTR16_A, DBTR16_D - write32 DBTR17_A, DBTR17_D - write32 DBTR18_A, DBTR18_D - write32 DBTR19_A, DBTR19_D - write32 DBRNK0_A, DBRNK0_D - write32 DBADJ0_A, DBADJ0_D - write32 DBADJ2_A, DBADJ2_D - - /* step 5 */ - write32 DBCMD_A, DBCMD_RSTL_VAL - wait_timer WAIT_30US - - /* step 6 */ - write32 DBCMD_A, DBCMD_PDEN_VAL - - /* step 7 */ - write32 DBPDCNT3_A, DBPDCNT3_D - - /* step 8 */ - write32 DBPDCNT1_A, DBPDCNT1_D - write32 DBPDCNT2_A, DBPDCNT2_D - write32 DBPDLCK_A, DBPDLCK_D - write32 DBPDRGA_A, DBPDRGA_D - write32 DBPDRGD_A, DBPDRGD_D - - /* step 9 */ - wait_timer WAIT_30US - - /* step 10 */ - write32 DBPDCNT0_A, DBPDCNT0_D - - /* step 11 */ - wait_timer WAIT_30US - wait_timer WAIT_30US - - /* step 12 */ - write32 DBCMD_A, DBCMD_WAIT_VAL - wait_DBCMD - - /* step 13 */ - write32 DBCMD_A, DBCMD_RSTH_VAL - wait_DBCMD - - /* step 14 */ - write32 DBCMD_A, DBCMD_WAIT_VAL - write32 DBCMD_A, DBCMD_WAIT_VAL - write32 DBCMD_A, DBCMD_WAIT_VAL - write32 DBCMD_A, DBCMD_WAIT_VAL - - /* step 15 */ - write32 DBCMD_A, DBCMD_PDXT_VAL - - /* step 16 */ - write32 DBCMD_A, DBCMD_MRS2_VAL - - /* step 17 */ - write32 DBCMD_A, DBCMD_MRS3_VAL - - /* step 18 */ - write32 DBCMD_A, DBCMD_MRS1_VAL - - /* step 19 */ - write32 DBCMD_A, DBCMD_MRS0_VAL - write32 DBPDNCNF_A, DBPDNCNF_D - - /* step 20 */ - write32 DBCMD_A, DBCMD_ZQCL_VAL - - write32 DBCMD_A, DBCMD_REF_VAL - write32 DBCMD_A, DBCMD_REF_VAL - wait_DBCMD - - /* step 21 */ - write32 DBCALTR_A, DBCALTR_D - - /* step 22 */ - write32 DBRFCNF0_A, DBRFCNF0_D - write32 DBRFCNF1_A, DBRFCNF1_D - write32 DBRFCNF2_A, DBRFCNF2_D - - /* step 23 */ - write32 DBCALCNF_A, DBCALCNF_D - - /* step 24 */ - write32 DBRFEN_A, DBRFEN_D - write32 DBCMD_A, DBCMD_SRXT_VAL - - /* step 25 */ - write32 DBACEN_A, DBACEN_D - - /* step 26 */ - wait_DBCMD - - bra exit_ddr - nop - - .align 2 - -EXPEVT_A: .long 0xff000024 -EXPEVT_POWER_ON_RESET: .long 0x00000000 - -/*------- Reset -------*/ -MRSTCR0_A: .long 0xffd50030 -MRSTCR0_D: .long 0xfe1ffe7f -MRSTCR1_A: .long 0xffd50034 -MRSTCR1_D: .long 0xfff3ffff - -/*------- DBSC3 -------*/ -DBCMD_A: .long 0xfe800018 -DBKIND_A: .long 0xfe800020 -DBCONF_A: .long 0xfe800024 -DBTR0_A: .long 0xfe800040 -DBTR1_A: .long 0xfe800044 -DBTR2_A: .long 0xfe800048 -DBTR3_A: .long 0xfe800050 -DBTR4_A: .long 0xfe800054 -DBTR5_A: .long 0xfe800058 -DBTR6_A: .long 0xfe80005c -DBTR7_A: .long 0xfe800060 -DBTR8_A: .long 0xfe800064 -DBTR9_A: .long 0xfe800068 -DBTR10_A: .long 0xfe80006c -DBTR11_A: .long 0xfe800070 -DBTR12_A: .long 0xfe800074 -DBTR13_A: .long 0xfe800078 -DBTR14_A: .long 0xfe80007c -DBTR15_A: .long 0xfe800080 -DBTR16_A: .long 0xfe800084 -DBTR17_A: .long 0xfe800088 -DBTR18_A: .long 0xfe80008c -DBTR19_A: .long 0xfe800090 -DBRNK0_A: .long 0xfe800100 -DBPDCNT0_A: .long 0xfe800200 -DBPDCNT1_A: .long 0xfe800204 -DBPDCNT2_A: .long 0xfe800208 -DBPDCNT3_A: .long 0xfe80020c -DBPDLCK_A: .long 0xfe800280 -DBPDRGA_A: .long 0xfe800290 -DBPDRGD_A: .long 0xfe8002a0 -DBADJ0_A: .long 0xfe8000c0 -DBADJ2_A: .long 0xfe8000c8 -DBRFCNF0_A: .long 0xfe8000e0 -DBRFCNF1_A: .long 0xfe8000e4 -DBRFCNF2_A: .long 0xfe8000e8 -DBCALCNF_A: .long 0xfe8000f4 -DBRFEN_A: .long 0xfe800014 -DBACEN_A: .long 0xfe800010 -DBWAIT_A: .long 0xfe80001c -DBCALTR_A: .long 0xfe8000f8 -DBPDNCNF_A: .long 0xfe800180 - -WAIT_OSC_TIME: .long 6000 -WAIT_30US: .long 13333 - -DBCMD_RSTL_VAL: .long 0x20000000 -DBCMD_PDEN_VAL: .long 0x1000d73c -DBCMD_WAIT_VAL: .long 0x0000d73c -DBCMD_RSTH_VAL: .long 0x2100d73c -DBCMD_PDXT_VAL: .long 0x110000c8 -DBCMD_MRS0_VAL: .long 0x28000930 -DBCMD_MRS1_VAL: .long 0x29000004 -DBCMD_MRS2_VAL: .long 0x2a000008 -DBCMD_MRS3_VAL: .long 0x2b000000 -DBCMD_ZQCL_VAL: .long 0x03000200 -DBCMD_REF_VAL: .long 0x0c000000 -DBCMD_SRXT_VAL: .long 0x19000000 -DBKIND_D: .long 0x00000007 -DBCONF_D: .long 0x0f030a01 -DBTR0_D: .long 0x00000007 -DBTR1_D: .long 0x00000006 -DBTR2_D: .long 0x00000000 -DBTR3_D: .long 0x00000007 -DBTR4_D: .long 0x00070007 -DBTR5_D: .long 0x0000001b -DBTR6_D: .long 0x00000014 -DBTR7_D: .long 0x00000004 -DBTR8_D: .long 0x00000014 -DBTR9_D: .long 0x00000004 -DBTR10_D: .long 0x00000008 -DBTR11_D: .long 0x00000007 -DBTR12_D: .long 0x0000000e -DBTR13_D: .long 0x000000a0 -DBTR14_D: .long 0x00060006 -DBTR15_D: .long 0x00000003 -DBTR16_D: .long 0x00160002 -DBTR17_D: .long 0x000c0000 -DBTR18_D: .long 0x00000200 -DBTR19_D: .long 0x00000040 -DBRNK0_D: .long 0x00000001 -DBPDCNT0_D: .long 0x00000001 -DBPDCNT1_D: .long 0x00000001 -DBPDCNT2_D: .long 0x00000000 -DBPDCNT3_D: .long 0x00004010 -DBPDLCK_D: .long 0x0000a55a -DBPDRGA_D: .long 0x00000028 -DBPDRGD_D: .long 0x00017100 - -DBADJ0_D: .long 0x00010000 -DBADJ2_D: .long 0x18061806 -DBRFCNF0_D: .long 0x000001ff -DBRFCNF1_D: .long 0x00081040 -DBRFCNF2_D: .long 0x00000000 -DBCALCNF_D: .long 0x0000ffff -DBRFEN_D: .long 0x00000001 -DBACEN_D: .long 0x00000001 -DBCALTR_D: .long 0x08200820 -DBPDNCNF_D: .long 0x00000001 - - .align 2 -exit_ddr: -#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 128M 0 1 - * 1 0xa8000000 0x48000000 1 128M 0 1 - * 5 0x88000000 0x48000000 1 128M 1 1 - */ - write32 PMB_ADDR_SPIBOOT_A, PMB_ADDR_SPIBOOT_D - write32 PMB_DATA_SPIBOOT_A, PMB_DATA_SPIBOOT_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_N1_A, PMB_ADDR_DDR_N1_D - write32 PMB_DATA_DDR_N1_A, PMB_DATA_DDR_N1_D - - write32 PMB_ADDR_ENTRY2, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY3, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY4, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY6, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY7, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY8, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY9, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY10, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY11, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY12, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY13, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY14, PMB_ADDR_NOT_USE_D - write32 PMB_ADDR_ENTRY15, PMB_ADDR_NOT_USE_D - - write32 PASCR_A, PASCR_INIT - mov.l DUMMY_ADDR, r0 - icbi @r0 -#endif /* if defined(CONFIG_SH_32BIT) */ - -exit_pmb: - /* CPU is running on ILRAM? */ - mov r14, r0 - tst #1, r0 - bt 1f - - mov.l _stack_ilram, r15 - mov.l _spiboot_main, r0 -100: bsrf r0 - nop - - .align 2 -_spiboot_main: .long (spiboot_main - (100b + 4)) -_stack_ilram: .long 0xe5204000 - -1: - write32 CCR_A, CCR_D - - rts - nop - - .align 2 - -#if defined(CONFIG_SH_32BIT) -/*------- set PMB -------*/ -PMB_ADDR_SPIBOOT_A: .long PMB_ADDR_BASE(0) -PMB_ADDR_DDR_N1_A: .long PMB_ADDR_BASE(1) -PMB_ADDR_DDR_C1_A: .long PMB_ADDR_BASE(5) -PMB_ADDR_ENTRY2: .long PMB_ADDR_BASE(2) -PMB_ADDR_ENTRY3: .long PMB_ADDR_BASE(3) -PMB_ADDR_ENTRY4: .long PMB_ADDR_BASE(4) -PMB_ADDR_ENTRY6: .long PMB_ADDR_BASE(6) -PMB_ADDR_ENTRY7: .long PMB_ADDR_BASE(7) -PMB_ADDR_ENTRY8: .long PMB_ADDR_BASE(8) -PMB_ADDR_ENTRY9: .long PMB_ADDR_BASE(9) -PMB_ADDR_ENTRY10: .long PMB_ADDR_BASE(10) -PMB_ADDR_ENTRY11: .long PMB_ADDR_BASE(11) -PMB_ADDR_ENTRY12: .long PMB_ADDR_BASE(12) -PMB_ADDR_ENTRY13: .long PMB_ADDR_BASE(13) -PMB_ADDR_ENTRY14: .long PMB_ADDR_BASE(14) -PMB_ADDR_ENTRY15: .long PMB_ADDR_BASE(15) - -PMB_ADDR_SPIBOOT_D: .long mk_pmb_addr_val(0xa0) -PMB_ADDR_DDR_C1_D: .long mk_pmb_addr_val(0x88) -PMB_ADDR_DDR_N1_D: .long mk_pmb_addr_val(0xa8) -PMB_ADDR_NOT_USE_D: .long 0x00000000 - -PMB_DATA_SPIBOOT_A: .long PMB_DATA_BASE(0) -PMB_DATA_DDR_N1_A: .long PMB_DATA_BASE(1) -PMB_DATA_DDR_C1_A: .long PMB_DATA_BASE(5) - -/* ppn ub v s1 s0 c wt */ -PMB_DATA_SPIBOOT_D: .long mk_pmb_data_val(0x00, 0, 1, 1, 0, 0, 1) -PMB_DATA_DDR_C1_D: .long mk_pmb_data_val(0x48, 0, 1, 1, 0, 1, 1) -PMB_DATA_DDR_N1_D: .long mk_pmb_data_val(0x48, 1, 1, 1, 0, 0, 1) - -PASCR_A: .long 0xff000070 -DUMMY_ADDR: .long 0xa0000000 -PASCR_29BIT_D: .long 0x00000000 -PASCR_INIT: .long 0x80000080 -MMUCR_A: .long 0xff000010 -MMUCR_D: .long 0x00000004 /* clear ITLB */ -#endif /* CONFIG_SH_32BIT */ - -CCR_A: .long CCR -CCR_D: .long CCR_CACHE_INIT |