From 69df3c4da0c93017cceb25a366e794570bd0ed98 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Sun, 13 May 2007 21:01:03 +0900 Subject: sh: MS7750SE support. This adds support for the Hitachi MS7750SE. Signed-off-by: Nobuhiro Iwamatsu --- board/ms7750se/lowlevel_init.S | 169 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 board/ms7750se/lowlevel_init.S (limited to 'board/ms7750se/lowlevel_init.S') diff --git a/board/ms7750se/lowlevel_init.S b/board/ms7750se/lowlevel_init.S new file mode 100644 index 0000000..056c691 --- /dev/null +++ b/board/ms7750se/lowlevel_init.S @@ -0,0 +1,169 @@ +/* + modified from SH-IPL+g + Renesaso SuperH Solution Enginge MS775x BSC setting + Coyright (c) 2007 Nobuhiro Iwamatsu +*/ + +#include +#include + +#include + +#ifdef CONFIG_CPU_SUBTYPE_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 +#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*/ +#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 */ +#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 */ +#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 */ + + .global lowlevel_init + .text + .align 2 + +lowlevel_init: + + mov.l L_CCR, r1 ! CCR Address + mov.l L_CCR_DISABLE, r0 ! CCR Data + mov.l r0, @r1 + +init_bsc: + mov.l FRQCR_A,r1 /* FRQCR Address */ + mov.l FRQCR_D,r0 /* FRQCR Data */ + mov.w r0,@r1 + + mov.l BCR1_A,r1 /* BCR1 Address */ + mov.l BCR1_D,r0 /* BCR1 Data */ + mov.l r0,@r1 + + mov.l BCR2_A,r1 /* BCR2 Address */ + mov.l BCR2_D,r0 /* BCR2 Data */ + mov.w r0,@r1 + + mov.l WCR1_A,r1 /* WCR1 Address */ + mov.l WCR1_D,r0 /* WCR1 Data */ + mov.l r0,@r1 + + mov.l WCR2_A,r1 /* WCR2 Address */ + mov.l WCR2_D,r0 /* WCR2 Data */ + mov.l r0,@r1 + + mov.l WCR3_A,r1 /* WCR3 Address */ + 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 + + mov.l SDMR3_A,r1 /* Set SDRAM mode */ + mov #0,r0 + mov.b r0,@r1 + + ! 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 + + mov.l RTCOR_A,r1 /* RTCOR Address */ + mov.l RTCOR_D,r0 /* RTCOR Data */ + mov.w r0,@r1 + + mov.l RTCSR_A,r1 /* RTCSR Address */ + mov.l RTCSR_D,r0 /* RTCSR Data */ + mov.w r0,@r1 + + 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 +1: + 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 + + mov.l SDMR3_A,r1 /* Set SDRAM mode */ + mov #0,r0 + mov.b r0,@r1 + + rts + nop + + .align 2 + +L_CCR: .long CCR +L_CCR_DISABLE: .long 0x0808 +FRQCR_A: .long FRQCR +FRQCR_D: +#ifdef CONFIG_CPU_SUBTYPE_SH_R + .long 0x00000e1a /* 12:3:3 */ +#else +#ifdef CONFIG_GOOD_SESH4 + .long 0x00000e13 /* 6:2:1 */ +#else + .long 0x00000e23 /* 6:1:1 */ +#endif +#endif /* CONFIG_CPU_SUBTYPE_SH_R */ + +BCR1_A: .long BCR1 +BCR1_D: .long 0x00000008 /* Area 3 SDRAM */ +BCR2_A: .long BCR2 +BCR2_D: .long BCR2_D_VALUE /* Bus width settings */ +WCR1_A: .long WCR1 +WCR1_D: .long WCR1_D_VALUE /* Inter-area or turnaround wait states */ +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 +RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */ +RTCOR_A: .long RTCOR +RTCOR_D: .long RTCOR_D_VALUE /* Set refresh time (about 15us) */ +SDMR3_A: .long SDMR3_ADDRESS +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 */ + -- cgit v1.1 From 047375bfa4c3052fa50a748da7ff89e9dad3b364 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Sun, 23 Sep 2007 02:19:24 +0900 Subject: sh: Update MS7750SE01 platform Signed-off-by: Nobuhiro Iwamatsu --- board/ms7750se/lowlevel_init.S | 63 +++++++++++++++++++++++++----------------- 1 file changed, 37 insertions(+), 26 deletions(-) (limited to 'board/ms7750se/lowlevel_init.S') 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 + + * 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 @@ -9,38 +30,34 @@ #include -#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 -- cgit v1.1