mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 05:42:58 +00:00
916 lines
23 KiB
C
916 lines
23 KiB
C
/*
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* (C) Copyright 2001-2004
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* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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*
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* (C) Copyright 2005
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* (C) Copyright 2006
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* Matthias Fuchs, esd GmbH, matthias.fuchs@esd-electronics.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/processor.h>
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#include <command.h>
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#include <malloc.h>
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#include <pci.h>
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#include <sm501.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_VIDEO_SM501
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#define SWAP32(x) ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\
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(((x) & 0x00ff0000) >> 8) | (((x) & 0xff000000) >> 24) )
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#ifdef CONFIG_VIDEO_SM501_8BPP
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#error CONFIG_VIDEO_SM501_8BPP not supported.
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#endif /* CONFIG_VIDEO_SM501_8BPP */
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#ifdef CONFIG_VIDEO_SM501_16BPP
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#define BPP 16
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/*
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* 800x600 display B084SN03: PCLK = 40MHz
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* => 2*PCLK = 80MHz
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* 336/4 = 84MHz
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* => PCLK = 84MHz
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*/
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static const SMI_REGS init_regs_800x600 [] =
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{
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#if 1 /* test-only */
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{0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
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#else
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{0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
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#endif
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{0x00004, SWAP32(0x00000000)},
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/* clocks for pm1... */
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{0x00048, SWAP32(0x00021807)},
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{0x0004C, SWAP32(0x221a0a01)},
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{0x00054, SWAP32(0x00000001)},
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/* clocks for pm0... */
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{0x00040, SWAP32(0x00021807)},
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{0x00044, SWAP32(0x221a0a01)},
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{0x00054, SWAP32(0x00000000)},
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/* GPIO */
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{0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
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/* panel control regs... */
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{0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
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{0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
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{0x8000C, SWAP32(0x00010000)}, /* panel fb address */
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{0x80010, SWAP32(0x06400640)}, /* panel fb offset/window width */
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{0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
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{0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
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{0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
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{0x80020, SWAP32(0x02580320)}, /* panel plane br location */
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{0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
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{0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
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{0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
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{0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
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{0x80200, SWAP32(0x00010000)}, /* crt display control */
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{0, 0}
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};
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/*
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* 1024x768 display G150XG02: PCLK = 65MHz
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* => 2*PCLK = 130MHz
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* 288/2 = 144MHz
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* => PCLK = 72MHz
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*/
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static const SMI_REGS init_regs_1024x768 [] =
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{
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{0x00004, SWAP32(0x00000000)},
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/* clocks for pm1... */
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{0x00048, SWAP32(0x00021807)},
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{0x0004C, SWAP32(0x011a0a01)},
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{0x00054, SWAP32(0x00000001)},
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/* clocks for pm0... */
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{0x00040, SWAP32(0x00021807)},
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{0x00044, SWAP32(0x011a0a01)},
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{0x00054, SWAP32(0x00000000)},
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/* GPIO */
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{0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
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/* panel control regs... */
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{0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
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{0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
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{0x8000C, SWAP32(0x00010000)}, /* panel fb address */
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{0x80010, SWAP32(0x08000800)}, /* panel fb offset/window width */
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{0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
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{0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
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{0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
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{0x80020, SWAP32(0x03000400)}, /* panel plane br location */
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{0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
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{0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
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{0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
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{0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
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{0x80200, SWAP32(0x00010000)}, /* crt display control */
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{0, 0}
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};
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#endif /* CONFIG_VIDEO_SM501_16BPP */
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#ifdef CONFIG_VIDEO_SM501_32BPP
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#define BPP 32
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/*
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* 800x600 display B084SN03: PCLK = 40MHz
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* => 2*PCLK = 80MHz
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* 336/4 = 84MHz
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* => PCLK = 84MHz
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*/
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static const SMI_REGS init_regs_800x600 [] =
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{
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#if 0 /* test-only */
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{0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
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#else
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{0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
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#endif
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{0x00004, SWAP32(0x00000000)},
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/* clocks for pm1... */
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{0x00048, SWAP32(0x00021807)},
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{0x0004C, SWAP32(0x221a0a01)},
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{0x00054, SWAP32(0x00000001)},
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/* clocks for pm0... */
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{0x00040, SWAP32(0x00021807)},
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{0x00044, SWAP32(0x221a0a01)},
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{0x00054, SWAP32(0x00000000)},
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/* GPIO */
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{0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
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/* panel control regs... */
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{0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
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{0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
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{0x8000C, SWAP32(0x00010000)}, /* panel fb address */
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{0x80010, SWAP32(0x0c800c80)}, /* panel fb offset/window width */
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{0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
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{0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
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{0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
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{0x80020, SWAP32(0x02580320)}, /* panel plane br location */
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{0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
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{0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
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{0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
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{0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
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{0x80200, SWAP32(0x00010000)}, /* crt display control */
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{0, 0}
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};
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/*
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* 1024x768 display G150XG02: PCLK = 65MHz
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* => 2*PCLK = 130MHz
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* 288/2 = 144MHz
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* => PCLK = 72MHz
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*/
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static const SMI_REGS init_regs_1024x768 [] =
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{
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{0x00004, SWAP32(0x00000000)},
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/* clocks for pm1... */
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{0x00048, SWAP32(0x00021807)},
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{0x0004C, SWAP32(0x011a0a01)},
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{0x00054, SWAP32(0x00000001)},
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/* clocks for pm0... */
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{0x00040, SWAP32(0x00021807)},
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{0x00044, SWAP32(0x011a0a01)},
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{0x00054, SWAP32(0x00000000)},
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/* GPIO */
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{0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
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/* panel control regs... */
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{0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
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{0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
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{0x8000C, SWAP32(0x00010000)}, /* panel fb address */
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{0x80010, SWAP32(0x10001000)}, /* panel fb offset/window width */
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{0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
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{0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
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{0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
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{0x80020, SWAP32(0x03000400)}, /* panel plane br location */
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{0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
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{0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
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{0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
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{0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
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{0x80200, SWAP32(0x00010000)}, /* crt display control */
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{0, 0}
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};
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#endif /* CONFIG_VIDEO_SM501_32BPP */
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#endif /* CONFIG_VIDEO_SM501 */
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#if 0
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#define FPGA_DEBUG
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#endif
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extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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extern void lxt971_no_sleep(void);
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/* fpga configuration data - gzip compressed and generated by bin2c */
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const unsigned char fpgadata[] =
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{
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#include "fpgadata.c"
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};
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/*
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* include common fpga code (for esd boards)
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*/
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#include "../common/fpga.c"
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/* Prototypes */
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int gunzip(void *, int, unsigned char *, unsigned long *);
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/* logo bitmap data - gzip compressed and generated by bin2c */
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unsigned char logo_bmp_320[] =
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{
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#include "logo_320_240_4bpp.c"
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};
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unsigned char logo_bmp_320_8bpp[] =
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{
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#include "logo_320_240_8bpp.c"
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};
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unsigned char logo_bmp_640[] =
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{
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#include "logo_640_480_24bpp.c"
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};
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unsigned char logo_bmp_1024[] =
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{
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#include "logo_1024_768_8bpp.c"
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};
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/*
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* include common lcd code (for esd boards)
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*/
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#include "../common/lcd.c"
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#include "../common/s1d13704_320_240_4bpp.h"
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#include "../common/s1d13705_320_240_8bpp.h"
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#include "../common/s1d13806_640_480_16bpp.h"
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#include "../common/s1d13806_1024_768_8bpp.h"
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/*
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* include common auto-update code (for esd boards)
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*/
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#include "../common/auto_update.h"
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au_image_t au_image[] = {
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{"hh405/preinst.img", 0, -1, AU_SCRIPT},
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{"hh405/u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE},
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{"hh405/pImage_${bd_type}", 0x00000000, 0x00100000, AU_NAND},
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{"hh405/pImage.initrd", 0x00100000, 0x00200000, AU_NAND},
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{"hh405/yaffsmt2.img", 0x00300000, 0x01c00000, AU_NAND},
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{"hh405/postinst.img", 0, 0, AU_SCRIPT},
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};
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int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
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/*
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* Get version of HH405 board from GPIO's
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*/
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int board_revision(void)
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{
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unsigned long osrh_reg;
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unsigned long isr1h_reg;
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unsigned long tcr_reg;
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unsigned long value;
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/*
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* Setup GPIO pins (BLAST/GPIO0 and GPIO9 as GPIO)
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*/
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osrh_reg = in32(GPIO0_OSRH);
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isr1h_reg = in32(GPIO0_ISR1H);
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tcr_reg = in32(GPIO0_TCR);
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out32(GPIO0_OSRH, osrh_reg & ~0xC0003000); /* output select */
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out32(GPIO0_ISR1H, isr1h_reg | 0xC0003000); /* input select */
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out32(GPIO0_TCR, tcr_reg & ~0x80400000); /* select input */
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udelay(1000); /* wait some time before reading input */
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value = in32(GPIO0_IR) & 0x80400000; /* get config bits */
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/*
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* Restore GPIO settings
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*/
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out32(GPIO0_OSRH, osrh_reg); /* output select */
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out32(GPIO0_ISR1H, isr1h_reg); /* input select */
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out32(GPIO0_TCR, tcr_reg); /* enable output driver for outputs */
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if (value & 0x80000000) {
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/* Revision 1.0 or 1.1 detected */
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return 1;
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} else {
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if (value & 0x00400000) {
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/* unused */
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return 3;
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} else {
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return 2;
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}
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}
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}
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int board_early_init_f (void)
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{
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/*
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* IRQ 0-15 405GP internally generated; active high; level sensitive
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* IRQ 16 405GP internally generated; active low; level sensitive
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* IRQ 17-24 RESERVED
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* IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
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* IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
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* IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
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* IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
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* IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
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* IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
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* IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
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*/
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mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
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mtdcr(uicer, 0x00000000); /* disable all ints */
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mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/
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mtdcr(uicpr, CFG_UIC0_POLARITY);/* set int polarities */
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mtdcr(uictr, 0x10000000); /* set int trigger levels */
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mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/
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mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
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/*
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* EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
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*/
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mtebc (epcr, 0xa8400000); /* ebc always driven */
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return 0;
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}
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int cf_enable(void)
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{
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int i;
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volatile unsigned short *fpga_ctrl =
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(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
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volatile unsigned short *fpga_status =
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(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 2);
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if (gd->board_type >= 2) {
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if (*fpga_status & CFG_FPGA_STATUS_CF_DETECT) {
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if (!(*fpga_ctrl & CFG_FPGA_CTRL_CF_BUS_EN)) {
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*fpga_ctrl &= ~CFG_FPGA_CTRL_CF_PWRN;
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for (i=0; i<300; i++)
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udelay(1000);
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*fpga_ctrl |= CFG_FPGA_CTRL_CF_BUS_EN;
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for (i=0; i<20; i++)
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udelay(1000);
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}
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} else {
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*fpga_ctrl &= ~CFG_FPGA_CTRL_CF_BUS_EN;
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*fpga_ctrl |= CFG_FPGA_CTRL_CF_PWRN;
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}
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}
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return 0;
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}
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int misc_init_r (void)
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{
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volatile unsigned short *fpga_ctrl =
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(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
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volatile unsigned short *lcd_contrast =
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(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 4);
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volatile unsigned short *lcd_backlight =
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(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 6);
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unsigned char *dst;
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ulong len = sizeof(fpgadata);
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int status;
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int index;
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int i;
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char *str;
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unsigned long contrast0 = 0xffffffff;
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dst = malloc(CFG_FPGA_MAX_SIZE);
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if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
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printf ("GUNZIP ERROR - must RESET board to recover\n");
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do_reset (NULL, 0, 0, NULL);
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}
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status = fpga_boot(dst, len);
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if (status != 0) {
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printf("\nFPGA: Booting failed ");
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switch (status) {
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case ERROR_FPGA_PRG_INIT_LOW:
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printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
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break;
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case ERROR_FPGA_PRG_INIT_HIGH:
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printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
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break;
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case ERROR_FPGA_PRG_DONE:
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printf("(Timeout: DONE not high after programming FPGA)\n ");
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break;
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}
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/* display infos on fpgaimage */
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index = 15;
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for (i=0; i<4; i++) {
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len = dst[index];
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printf("FPGA: %s\n", &(dst[index+1]));
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index += len+3;
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}
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putc ('\n');
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/* delayed reboot */
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for (i=20; i>0; i--) {
|
|
printf("Rebooting in %2d seconds \r",i);
|
|
for (index=0;index<1000;index++)
|
|
udelay(1000);
|
|
}
|
|
putc ('\n');
|
|
do_reset(NULL, 0, 0, NULL);
|
|
}
|
|
|
|
puts("FPGA: ");
|
|
|
|
/* display infos on fpgaimage */
|
|
index = 15;
|
|
for (i=0; i<4; i++) {
|
|
len = dst[index];
|
|
printf("%s ", &(dst[index+1]));
|
|
index += len+3;
|
|
}
|
|
putc ('\n');
|
|
|
|
free(dst);
|
|
|
|
/*
|
|
* Reset FPGA via FPGA_INIT pin
|
|
*/
|
|
out32(GPIO0_TCR, in32(GPIO0_TCR) | FPGA_INIT); /* setup FPGA_INIT as output */
|
|
out32(GPIO0_OR, in32(GPIO0_OR) & ~FPGA_INIT); /* reset low */
|
|
udelay(1000); /* wait 1ms */
|
|
out32(GPIO0_OR, in32(GPIO0_OR) | FPGA_INIT); /* reset high */
|
|
udelay(1000); /* wait 1ms */
|
|
|
|
/*
|
|
* Write Board revision into FPGA
|
|
*/
|
|
*fpga_ctrl |= gd->board_type & 0x0003;
|
|
|
|
/*
|
|
* Setup and enable EEPROM write protection
|
|
*/
|
|
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_EEPROM_WP);
|
|
|
|
/*
|
|
* Set NAND-FLASH GPIO signals to default
|
|
*/
|
|
out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
|
|
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
|
|
|
|
/*
|
|
* Reset touch-screen controller
|
|
*/
|
|
out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_TOUCH_RST);
|
|
udelay(1000);
|
|
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_TOUCH_RST);
|
|
|
|
/*
|
|
* Enable power on PS/2 interface (with reset)
|
|
*/
|
|
*fpga_ctrl &= ~(CFG_FPGA_CTRL_PS2_PWR);
|
|
for (i=0;i<500;i++)
|
|
udelay(1000);
|
|
*fpga_ctrl |= (CFG_FPGA_CTRL_PS2_PWR);
|
|
|
|
/*
|
|
* Get contrast value from environment variable
|
|
*/
|
|
str = getenv("contrast0");
|
|
if (str) {
|
|
contrast0 = simple_strtol(str, NULL, 16);
|
|
if (contrast0 > 255) {
|
|
printf("ERROR: contrast0 value too high (0x%lx)!\n", contrast0);
|
|
contrast0 = 0xffffffff;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Init lcd interface and display logo
|
|
*/
|
|
|
|
str = getenv("bd_type");
|
|
if (strcmp(str, "ppc230") == 0) {
|
|
/*
|
|
* Switch backlight on
|
|
*/
|
|
*fpga_ctrl |= CFG_FPGA_CTRL_VGA0_BL;
|
|
*lcd_backlight = 0x0000;
|
|
|
|
lcd_setup(1, 0);
|
|
lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM,
|
|
regs_13806_1024_768_8bpp,
|
|
sizeof(regs_13806_1024_768_8bpp)/sizeof(regs_13806_1024_768_8bpp[0]),
|
|
logo_bmp_1024, sizeof(logo_bmp_1024));
|
|
} else if (strcmp(str, "ppc220") == 0) {
|
|
/*
|
|
* Switch backlight on
|
|
*/
|
|
*fpga_ctrl &= ~CFG_FPGA_CTRL_VGA0_BL;
|
|
*lcd_backlight = 0x0000;
|
|
|
|
lcd_setup(1, 0);
|
|
lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM,
|
|
regs_13806_640_480_16bpp,
|
|
sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
|
|
logo_bmp_640, sizeof(logo_bmp_640));
|
|
} else if (strcmp(str, "ppc215") == 0) {
|
|
/*
|
|
* Set default display contrast voltage
|
|
*/
|
|
if (contrast0 == 0xffffffff) {
|
|
*lcd_contrast = 0x0082;
|
|
} else {
|
|
*lcd_contrast = contrast0;
|
|
}
|
|
*lcd_backlight = 0xffff;
|
|
/*
|
|
* Switch backlight on
|
|
*/
|
|
*fpga_ctrl |= CFG_FPGA_CTRL_VGA0_BL | CFG_FPGA_CTRL_VGA0_BL_MODE;
|
|
/*
|
|
* Set lcd clock (small epson)
|
|
*/
|
|
*fpga_ctrl |= LCD_CLK_06250;
|
|
udelay(100); /* wait for 100 us */
|
|
|
|
lcd_setup(0, 1);
|
|
lcd_init((uchar *)CFG_LCD_SMALL_REG, (uchar *)CFG_LCD_SMALL_MEM,
|
|
regs_13705_320_240_8bpp,
|
|
sizeof(regs_13705_320_240_8bpp)/sizeof(regs_13705_320_240_8bpp[0]),
|
|
logo_bmp_320_8bpp, sizeof(logo_bmp_320_8bpp));
|
|
} else if (strcmp(str, "ppc210") == 0) {
|
|
/*
|
|
* Set default display contrast voltage
|
|
*/
|
|
if (contrast0 == 0xffffffff) {
|
|
*lcd_contrast = 0x0060;
|
|
} else {
|
|
*lcd_contrast = contrast0;
|
|
}
|
|
*lcd_backlight = 0xffff;
|
|
/*
|
|
* Switch backlight on
|
|
*/
|
|
*fpga_ctrl |= CFG_FPGA_CTRL_VGA0_BL | CFG_FPGA_CTRL_VGA0_BL_MODE;
|
|
/*
|
|
* Set lcd clock (small epson), enable 1-wire interface
|
|
*/
|
|
*fpga_ctrl |= LCD_CLK_08330 | CFG_FPGA_CTRL_OW_ENABLE;
|
|
|
|
lcd_setup(0, 1);
|
|
lcd_init((uchar *)CFG_LCD_SMALL_REG, (uchar *)CFG_LCD_SMALL_MEM,
|
|
regs_13704_320_240_4bpp,
|
|
sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
|
|
logo_bmp_320, sizeof(logo_bmp_320));
|
|
#ifdef CONFIG_VIDEO_SM501
|
|
} else {
|
|
pci_dev_t devbusfn;
|
|
|
|
/*
|
|
* Is SM501 connected (ppc221/ppc231)?
|
|
*/
|
|
devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
|
|
if (devbusfn != -1) {
|
|
puts("VGA: SM501 with 8 MB ");
|
|
if (strcmp(str, "ppc221") == 0) {
|
|
printf("(800*600, %dbpp)\n", BPP);
|
|
*lcd_backlight = 0x002d; /* max. allowed brightness */
|
|
} else if (strcmp(str, "ppc231") == 0) {
|
|
printf("(1024*768, %dbpp)\n", BPP);
|
|
*lcd_backlight = 0x0000;
|
|
} else {
|
|
printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
|
|
return 0;
|
|
}
|
|
} else {
|
|
printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_VIDEO_SM501 */
|
|
}
|
|
|
|
cf_enable();
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
/*
|
|
* Check Board Identity:
|
|
*/
|
|
|
|
int checkboard (void)
|
|
{
|
|
char str[64];
|
|
int i = getenv_r ("serial#", str, sizeof(str));
|
|
|
|
puts ("Board: ");
|
|
|
|
if (i == -1) {
|
|
puts ("### No HW ID - assuming HH405");
|
|
} else {
|
|
puts(str);
|
|
}
|
|
|
|
if (getenv_r("bd_type", str, sizeof(str)) != -1) {
|
|
printf(" (%s", str);
|
|
} else {
|
|
puts(" (Missing bd_type!");
|
|
}
|
|
|
|
gd->board_type = board_revision();
|
|
printf(", Rev %ld.x)\n", gd->board_type);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
long int initdram (int board_type)
|
|
{
|
|
unsigned long val;
|
|
|
|
mtdcr(memcfga, mem_mb0cf);
|
|
val = mfdcr(memcfgd);
|
|
|
|
#if 0
|
|
printf("\nmb0cf=%x\n", val); /* test-only */
|
|
printf("strap=%x\n", mfdcr(strap)); /* test-only */
|
|
#endif
|
|
|
|
return (4*1024*1024 << ((val & 0x000e0000) >> 17));
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_IDE_RESET
|
|
void ide_set_reset(int on)
|
|
{
|
|
volatile unsigned short *fpga_mode =
|
|
(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
|
|
volatile unsigned short *fpga_status =
|
|
(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 2);
|
|
|
|
if (((gd->board_type >= 2) && (*fpga_status & CFG_FPGA_STATUS_CF_DETECT)) ||
|
|
(gd->board_type < 2)) {
|
|
/*
|
|
* Assert or deassert CompactFlash Reset Pin
|
|
*/
|
|
if (on) { /* assert RESET */
|
|
cf_enable();
|
|
*fpga_mode &= ~(CFG_FPGA_CTRL_CF_RESET);
|
|
} else { /* release RESET */
|
|
*fpga_mode |= CFG_FPGA_CTRL_CF_RESET;
|
|
}
|
|
}
|
|
}
|
|
#endif /* CONFIG_IDE_RESET */
|
|
|
|
|
|
#if defined(CONFIG_CMD_NAND)
|
|
#include <linux/mtd/nand_legacy.h>
|
|
extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
|
|
|
|
void nand_init(void)
|
|
{
|
|
nand_probe(CFG_NAND_BASE);
|
|
if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
|
|
print_size(nand_dev_desc[0].totlen, "\n");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
#if defined(CFG_EEPROM_WREN)
|
|
/* Input: <dev_addr> I2C address of EEPROM device to enable.
|
|
* <state> -1: deliver current state
|
|
* 0: disable write
|
|
* 1: enable write
|
|
* Returns: -1: wrong device address
|
|
* 0: dis-/en- able done
|
|
* 0/1: current state if <state> was -1.
|
|
*/
|
|
int eeprom_write_enable (unsigned dev_addr, int state)
|
|
{
|
|
if (CFG_I2C_EEPROM_ADDR != dev_addr) {
|
|
return -1;
|
|
} else {
|
|
switch (state) {
|
|
case 1:
|
|
/* Enable write access, clear bit GPIO_SINT2. */
|
|
out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_EEPROM_WP);
|
|
state = 0;
|
|
break;
|
|
case 0:
|
|
/* Disable write access, set bit GPIO_SINT2. */
|
|
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_EEPROM_WP);
|
|
state = 0;
|
|
break;
|
|
default:
|
|
/* Read current status back. */
|
|
state = (0 == (in32(GPIO0_OR) & CFG_EEPROM_WP));
|
|
break;
|
|
}
|
|
}
|
|
return state;
|
|
}
|
|
|
|
int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
int query = argc == 1;
|
|
int state = 0;
|
|
|
|
if (query) {
|
|
/* Query write access state. */
|
|
state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, -1);
|
|
if (state < 0) {
|
|
puts ("Query of write access state failed.\n");
|
|
} else {
|
|
printf ("Write access for device 0x%0x is %sabled.\n",
|
|
CFG_I2C_EEPROM_ADDR, state ? "en" : "dis");
|
|
state = 0;
|
|
}
|
|
} else {
|
|
if ('0' == argv[1][0]) {
|
|
/* Disable write access. */
|
|
state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, 0);
|
|
} else {
|
|
/* Enable write access. */
|
|
state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, 1);
|
|
}
|
|
if (state < 0) {
|
|
puts ("Setup of write access state failed.\n");
|
|
}
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
U_BOOT_CMD(eepwren, 2, 0, do_eep_wren,
|
|
"eepwren - Enable / disable / query EEPROM write access\n",
|
|
NULL);
|
|
#endif /* #if defined(CFG_EEPROM_WREN) */
|
|
|
|
|
|
#ifdef CONFIG_VIDEO_SM501
|
|
#ifdef CONFIG_CONSOLE_EXTRA_INFO
|
|
/*
|
|
* Return text to be printed besides the logo.
|
|
*/
|
|
void video_get_info_str (int line_number, char *info)
|
|
{
|
|
char str[64];
|
|
char str2[64];
|
|
int i = getenv_r("serial#", str2, sizeof(str));
|
|
|
|
if (line_number == 1) {
|
|
sprintf(str, " Board: ");
|
|
|
|
if (i == -1) {
|
|
strcat(str, "### No HW ID - assuming HH405");
|
|
} else {
|
|
strcat(str, str2);
|
|
}
|
|
|
|
if (getenv_r("bd_type", str2, sizeof(str2)) != -1) {
|
|
strcat(str, " (");
|
|
strcat(str, str2);
|
|
} else {
|
|
strcat(str, " (Missing bd_type!");
|
|
}
|
|
|
|
sprintf(str2, ", Rev %ld.x)", gd->board_type);
|
|
strcat(str, str2);
|
|
strcpy(info, str);
|
|
} else {
|
|
info [0] = '\0';
|
|
}
|
|
}
|
|
#endif /* CONFIG_CONSOLE_EXTRA_INFO */
|
|
|
|
/*
|
|
* Returns SM501 register base address. First thing called in the driver.
|
|
*/
|
|
unsigned int board_video_init (void)
|
|
{
|
|
pci_dev_t devbusfn;
|
|
u32 addr;
|
|
|
|
/*
|
|
* Is SM501 connected (ppc221/ppc231)?
|
|
*/
|
|
devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
|
|
if (devbusfn != -1) {
|
|
pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, (u32 *)&addr);
|
|
return (addr & 0xfffffffe);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Returns SM501 framebuffer address
|
|
*/
|
|
unsigned int board_video_get_fb (void)
|
|
{
|
|
pci_dev_t devbusfn;
|
|
u32 addr;
|
|
|
|
/*
|
|
* Is SM501 connected (ppc221/ppc231)?
|
|
*/
|
|
devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
|
|
if (devbusfn != -1) {
|
|
pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, (u32 *)&addr);
|
|
addr &= 0xfffffffe;
|
|
#ifdef CONFIG_VIDEO_SM501_FBMEM_OFFSET
|
|
addr += CONFIG_VIDEO_SM501_FBMEM_OFFSET;
|
|
#endif
|
|
return addr;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Called after initializing the SM501 and before clearing the screen.
|
|
*/
|
|
void board_validate_screen (unsigned int base)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* Return a pointer to the initialization sequence.
|
|
*/
|
|
const SMI_REGS *board_get_regs (void)
|
|
{
|
|
char *str;
|
|
|
|
str = getenv("bd_type");
|
|
if (strcmp(str, "ppc221") == 0) {
|
|
return init_regs_800x600;
|
|
} else {
|
|
return init_regs_1024x768;
|
|
}
|
|
}
|
|
|
|
int board_get_width (void)
|
|
{
|
|
char *str;
|
|
|
|
str = getenv("bd_type");
|
|
if (strcmp(str, "ppc221") == 0) {
|
|
return 800;
|
|
} else {
|
|
return 1024;
|
|
}
|
|
}
|
|
|
|
int board_get_height (void)
|
|
{
|
|
char *str;
|
|
|
|
str = getenv("bd_type");
|
|
if (strcmp(str, "ppc221") == 0) {
|
|
return 600;
|
|
} else {
|
|
return 768;
|
|
}
|
|
}
|
|
|
|
#endif /* CONFIG_VIDEO_SM501 */
|
|
|
|
|
|
void reset_phy(void)
|
|
{
|
|
#ifdef CONFIG_LXT971_NO_SLEEP
|
|
|
|
/*
|
|
* Disable sleep mode in LXT971
|
|
*/
|
|
lxt971_no_sleep();
|
|
#endif
|
|
}
|