diff options
Diffstat (limited to 'board/ms7750se/lowlevel_init.S')
| -rw-r--r-- | board/ms7750se/lowlevel_init.S | 63 |
1 files changed, 37 insertions, 26 deletions
diff --git a/board/ms7750se/lowlevel_init.S b/board/ms7750se/lowlevel_init.S index 056c691..360c9fa 100644 --- a/board/ms7750se/lowlevel_init.S +++ b/board/ms7750se/lowlevel_init.S @@ -1,7 +1,28 @@ /* - modified from SH-IPL+g - Renesaso SuperH Solution Enginge MS775x BSC setting - Coyright (c) 2007 Nobuhiro Iwamatsu + modified from SH-IPL+g + Renesaso SuperH / Solution Enginge MS775xSE01 BSC setting. + + Support CPU : SH7750/SH7750S/SH7750R/SH7751/SH7751R + + Coyright (c) 2007 Nobuhiro Iwamatsu <iwmatsu@nigauri.org> + + * 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 */ #include <config.h> @@ -9,38 +30,34 @@ #include <asm/processor.h> -#ifdef CONFIG_CPU_SUBTYPE_SH7751 +#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 */ -#ifdef CONFIG_MRSHPC +#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 */ -#else /* CONFIG_MRSHPC*/ +#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 */ -#endif /* CONFIG_MRSHPC */ +#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 LED_ADDRESS 0xBA000000 /* Address of LED register */ #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 SWITCH_ADDR 0xB9000000 /* Address of DIP switches */ -#else /* CONFIG_CPU_SUBTYPE_SH7751 */ +#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 LED_ADDRESS 0xB0C00000 /* Address of LED register */ #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 SWITCH_ADDR 0xb0800000 /* Address of DIP switches */ -#endif /* CONFIG_CPU_SUBTYPE_SH7751 */ +#endif /* CONFIG_CPU_SH7751 */ .global lowlevel_init .text @@ -48,8 +65,8 @@ lowlevel_init: - mov.l L_CCR, r1 ! CCR Address - mov.l L_CCR_DISABLE, r0 ! CCR Data + mov.l CCR_A, r1 ! CCR Address + mov.l CCR_D_DISABLE, r0 ! CCR Data mov.l r0, @r1 init_bsc: @@ -77,11 +94,6 @@ init_bsc: mov.l WCR3_D,r0 /* WCR3 Data */ mov.l r0,@r1 - mov.l LED_A,r1 /* LED Address */ - mov #0xff,r0 /* LED ALL 'on' */ - shll8 r0 - mov.w r0,@r1 - mov.l MCR_A,r1 /* MCR Address */ mov.l MCR_D1,r0 /* MCR Data1 */ mov.l r0,@r1 @@ -129,19 +141,19 @@ init_bsc: .align 2 -L_CCR: .long CCR -L_CCR_DISABLE: .long 0x0808 +CCR_A: .long CCR +CCR_D_DISABLE: .long 0x0808 FRQCR_A: .long FRQCR FRQCR_D: -#ifdef CONFIG_CPU_SUBTYPE_SH_R +#ifdef CONFIG_CPU_TYPE_R .long 0x00000e1a /* 12:3:3 */ -#else +#else /* CONFIG_CPU_TYPE_R */ #ifdef CONFIG_GOOD_SESH4 .long 0x00000e13 /* 6:2:1 */ #else .long 0x00000e23 /* 6:1:1 */ #endif -#endif /* CONFIG_CPU_SUBTYPE_SH_R */ +#endif /* CONFIG_CPU_TYPE_R */ BCR1_A: .long BCR1 BCR1_D: .long 0x00000008 /* Area 3 SDRAM */ @@ -153,7 +165,6 @@ 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 */ -LED_A: .long LED_ADDRESS /* LED Address */ RTCSR_A: .long RTCSR RTCSR_D: .long 0xA518 /* RTCSR Write Code A5h Data 18h */ RTCNT_A: .long RTCNT |