X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fms7750se%2Flowlevel_init.S;h=9cd2705e5def8f3cca349aa123fbc7fd6a99c82e;hb=e8f80a5a58c9b506453cc0780687e8ed457d30a6;hp=360c9fa1730294a94838703b58619ff4fa7c19c6;hpb=7fc792895be3c0edf423c4038992b40345672a12;p=u-boot diff --git a/board/ms7750se/lowlevel_init.S b/board/ms7750se/lowlevel_init.S index 360c9fa173..9cd2705e5d 100644 --- a/board/ms7750se/lowlevel_init.S +++ b/board/ms7750se/lowlevel_init.S @@ -1,158 +1,115 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* modified from SH-IPL+g Renesaso SuperH / Solution Enginge MS775xSE01 BSC setting. - Support CPU : SH7750/SH7750S/SH7750R/SH7751/SH7751R - - Coyright (c) 2007 Nobuhiro Iwamatsu + Support CPU : SH7750/SH7750S/SH7750R/SH7751/SH7751R - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 + Coyright (c) 2007 Nobuhiro Iwamatsu */ #include -#include #include +#include #ifdef CONFIG_CPU_SH7751 -#define BCR2_D_VALUE 0x2FFC /* Area 1-6 width: 32/32/32/32/32/16 */ -#define WCR1_D_VALUE 0x02770771 /* DMA:0 A6:2 A3:0 A0:1 Others:15 */ +#define BCR2_D_VALUE 0x2FFC /* Area 1-6 width: 32/32/32/32/32/16 */ +#define WCR1_D_VALUE 0x02770771 /* DMA:0 A6:2 A3:0 A0:1 Others:15 */ #ifdef CONFIG_MARUBUN_PCCARD -#define WCR2_D_VALUE 0xFFFE4FE7 /* A6:15 A6B:7 A5:15 A5B:7 A4:15 - A3:2 A2:15 A1:15 A0:6 A0B:7 */ +#define WCR2_D_VALUE 0xFFFE4FE7 /* A6:15 A6B:7 A5:15 A5B:7 A4:15 + A3:2 A2:15 A1:15 A0:6 A0B:7 */ #else /* CONFIG_MARUBUN_PCCARD */ -#define WCR2_D_VALUE 0x7FFE4FE7 /* A6:3 A6B:7 A5:15 A5B:7 A4:15 - A3:2 A2:15 A1:15 A0:6 A0B:7 */ +#define WCR2_D_VALUE 0x7FFE4FE7 /* A6:3 A6B:7 A5:15 A5B:7 A4:15 + A3:2 A2:15 A1:15 A0:6 A0B:7 */ #endif /* CONFIG_MARUBUN_PCCARD */ -#define WCR3_D_VALUE 0x01777771 /* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3 - A2: 1-3 A1: 1-3 A0: 0-1 */ -#define RTCOR_D_VALUE 0xA50D /* Write code A5, data 0D (~15us?) */ -#define SDMR3_ADDRESS 0xFF940088 /* SDMR3 address on 32-bit bus */ -#define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, ... */ -#define MCR_D2_VALUE 0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */ +#define WCR3_D_VALUE 0x01777771 /* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3 + A2: 1-3 A1: 1-3 A0: 0-1 */ +#define RTCOR_D_VALUE 0xA50D /* Write code A5, data 0D (~15us?) */ +#define SDMR3_ADDRESS 0xFF940088 /* SDMR3 address on 32-bit bus */ +#define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, .. */ +#define MCR_D2_VALUE 0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */ #else /* CONFIG_CPU_SH7751 */ -#define BCR2_D_VALUE 0x2E3C /* Area 1-6 width: 32/32/64/16/32/16 */ -#define WCR1_D_VALUE 0x02720777 /* DMA:0 A6:2 A4:2 A3:0 Others:15 */ -#define WCR2_D_VALUE 0xFFFE4FFF /* A6:15 A6B:7 A5:15 A5B:7 A4:15 - A3:2 A2:15 A1:15 A0:15 A0B:7 */ -#define WCR3_D_VALUE 0x01717771 /* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3 - A2: 1-3 A1: 1-3 A0: 0-1 */ -#define RTCOR_D_VALUE 0xA510 /* Write code A5, data 10 (~15us?) */ -#define SDMR3_ADDRESS 0xFF940110 /* SDMR3 address on 64-bit bus */ -#define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, ... */ -#define MCR_D2_VALUE 0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */ +#define BCR2_D_VALUE 0x2E3C /* Area 1-6 width: 32/32/64/16/32/16 */ +#define WCR1_D_VALUE 0x02720777 /* DMA:0 A6:2 A4:2 A3:0 Others:15 */ +#define WCR2_D_VALUE 0xFFFE4FFF /* A6:15 A6B:7 A5:15 A5B:7 A4:15 + A3:2 A2:15 A1:15 A0:15 A0B:7 */ +#define WCR3_D_VALUE 0x01717771 /* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3 + A2: 1-3 A1: 1-3 A0: 0-1 */ +#define RTCOR_D_VALUE 0xA510 /* Write code A5, data 10 (~15us?) */ +#define SDMR3_ADDRESS 0xFF940110 /* SDMR3 address on 64-bit bus */ +#define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, .. */ +#define MCR_D2_VALUE 0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */ #endif /* CONFIG_CPU_SH7751 */ .global lowlevel_init .text - .align 2 + .align 2 lowlevel_init: - mov.l CCR_A, r1 ! CCR Address - mov.l CCR_D_DISABLE, r0 ! CCR Data - mov.l r0, @r1 + write32 CCR_A, CCR_D_DISABLE init_bsc: - mov.l FRQCR_A,r1 /* FRQCR Address */ - mov.l FRQCR_D,r0 /* FRQCR Data */ - mov.w r0,@r1 + write16 FRQCR_A, FRQCR_D - mov.l BCR1_A,r1 /* BCR1 Address */ - mov.l BCR1_D,r0 /* BCR1 Data */ - mov.l r0,@r1 + write32 BCR1_A, BCR1_D - mov.l BCR2_A,r1 /* BCR2 Address */ - mov.l BCR2_D,r0 /* BCR2 Data */ - mov.w r0,@r1 + write16 BCR2_A, BCR2_D - mov.l WCR1_A,r1 /* WCR1 Address */ - mov.l WCR1_D,r0 /* WCR1 Data */ - mov.l r0,@r1 + write32 WCR1_A, WCR1_D - mov.l WCR2_A,r1 /* WCR2 Address */ - mov.l WCR2_D,r0 /* WCR2 Data */ - mov.l r0,@r1 + write32 WCR2_A, WCR2_D - mov.l WCR3_A,r1 /* WCR3 Address */ - mov.l WCR3_D,r0 /* WCR3 Data */ - mov.l r0,@r1 + write32 WCR3_A, WCR3_D - mov.l MCR_A,r1 /* MCR Address */ - mov.l MCR_D1,r0 /* MCR Data1 */ - mov.l r0,@r1 + write32 MCR_A, MCR_D1 - mov.l SDMR3_A,r1 /* Set SDRAM mode */ - mov #0,r0 - mov.b r0,@r1 + /* Set SDRAM mode */ + write8 SDMR3_A, SDMR3_D - ! Do you need PCMCIA setting? + ! Do you need PCMCIA setting? ! If so, please add the lines here... - mov.l RTCNT_A,r1 /* RTCNT Address */ - mov.l RTCNT_D,r0 /* RTCNT Data */ - mov.w r0,@r1 + write16 RTCNT_A, RTCNT_D - mov.l RTCOR_A,r1 /* RTCOR Address */ - mov.l RTCOR_D,r0 /* RTCOR Data */ - mov.w r0,@r1 + write16 RTCOR_A, RTCOR_D - mov.l RTCSR_A,r1 /* RTCSR Address */ - mov.l RTCSR_D,r0 /* RTCSR Data */ - mov.w r0,@r1 + write16 RTCSR_A, RTCSR_D + + write16 RFCR_A, RFCR_D - mov.l RFCR_A,r1 /* RFCR Address */ - mov.l RFCR_D,r0 /* RFCR Data */ - mov.w r0,@r1 /* Clear reflesh counter */ /* Wait DRAM refresh 30 times */ - mov #30,r3 + mov #30, r3 1: - mov.w @r1,r0 - extu.w r0,r2 - cmp/hi r3,r2 + mov.w @r1, r0 + extu.w r0, r2 + cmp/hi r3, r2 bf 1b - mov.l MCR_A,r1 /* MCR Address */ - mov.l MCR_D2,r0 /* MCR Data2 */ - mov.l r0,@r1 + write32 MCR_A, MCR_D2 - mov.l SDMR3_A,r1 /* Set SDRAM mode */ - mov #0,r0 - mov.b r0,@r1 + /* Set SDRAM mode */ + write8 SDMR3_A, SDMR3_D rts - nop + nop .align 2 -CCR_A: .long CCR -CCR_D_DISABLE: .long 0x0808 +CCR_A: .long CCR +CCR_D_DISABLE: .long 0x0808 FRQCR_A: .long FRQCR FRQCR_D: #ifdef CONFIG_CPU_TYPE_R - .long 0x00000e1a /* 12:3:3 */ + .word 0x0e1a /* 12:3:3 */ #else /* CONFIG_CPU_TYPE_R */ #ifdef CONFIG_GOOD_SESH4 - .long 0x00000e13 /* 6:2:1 */ + .word 0x00e13 /* 6:2:1 */ #else - .long 0x00000e23 /* 6:1:1 */ + .word 0x00e23 /* 6:1:1 */ #endif +.align 2 #endif /* CONFIG_CPU_TYPE_R */ BCR1_A: .long BCR1 @@ -165,16 +122,20 @@ WCR2_A: .long WCR2 WCR2_D: .long WCR2_D_VALUE /* Per-area access and burst wait states */ WCR3_A: .long WCR3 WCR3_D: .long WCR3_D_VALUE /* Address setup and data hold cycles */ -RTCSR_A: .long RTCSR -RTCSR_D: .long 0xA518 /* RTCSR Write Code A5h Data 18h */ +RTCSR_A: .long RTCSR +RTCSR_D: .word 0xA518 /* RTCSR Write Code A5h Data 18h */ +.align 2 RTCNT_A: .long RTCNT -RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */ +RTCNT_D: .word 0xA500 /* RTCNT Write Code A5h Data 00h */ +.align 2 RTCOR_A: .long RTCOR -RTCOR_D: .long RTCOR_D_VALUE /* Set refresh time (about 15us) */ +RTCOR_D: .word RTCOR_D_VALUE /* Set refresh time (about 15us) */ +.align 2 SDMR3_A: .long SDMR3_ADDRESS +SDMR3_D: .long 0x00 MCR_A: .long MCR MCR_D1: .long MCR_D1_VALUE MCR_D2: .long MCR_D2_VALUE RFCR_A: .long RFCR -RFCR_D: .long 0xA400 /* RFCR Write Code A4h Data 00h */ - +RFCR_D: .word 0xA400 /* RFCR Write Code A4h Data 00h */ +.align 2