This is not used in U-Boot. Signed-off-by: Bin Meng <bmeng.cn@gmail.com>master
Bin Meng
8 years ago
committed by
Anatolij Gustschin
parent
5ec94cdf8e
commit
aa82f935ab
@ -1,225 +0,0 @@ |
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/*
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* (C) Copyright 2002 |
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* Stäubli Faverges - <www.staubli.com> |
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* Pierre AUBERT p.aubert@staubli.com |
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* |
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* (C) Copyright 2005 |
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* Martin Krause TQ-Systems GmbH martin.krause@tqs.de |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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/*
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* Basic video support for SMI SM501 "Voyager" graphic controller |
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*/ |
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#include <common.h> |
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#include <asm/io.h> |
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#include <pci.h> |
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#include <video_fb.h> |
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#include <sm501.h> |
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#define read8(ptrReg) \ |
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*(volatile unsigned char *)(sm501.isaBase + ptrReg) |
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#define write8(ptrReg,value) \ |
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*(volatile unsigned char *)(sm501.isaBase + ptrReg) = value |
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#define read16(ptrReg) \ |
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(*(volatile unsigned short *)(sm501.isaBase + ptrReg)) |
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#define write16(ptrReg,value) \ |
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(*(volatile unsigned short *)(sm501.isaBase + ptrReg) = value) |
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#define read32(ptrReg) \ |
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(*(volatile unsigned int *)(sm501.isaBase + ptrReg)) |
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#define write32(ptrReg, value) \ |
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(*(volatile unsigned int *)(sm501.isaBase + ptrReg) = value) |
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GraphicDevice sm501; |
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void write_be32(int off, unsigned int val) |
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{ |
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out_be32((unsigned __iomem *)(sm501.isaBase + off), val); |
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} |
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void write_le32(int off, unsigned int val) |
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{ |
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out_le32((unsigned __iomem *)(sm501.isaBase + off), val); |
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} |
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void (*write_reg32)(int off, unsigned int val) = write_be32; |
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/*-----------------------------------------------------------------------------
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* SmiSetRegs -- |
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*----------------------------------------------------------------------------- |
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*/ |
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static void SmiSetRegs (void) |
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{ |
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/*
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* The content of the chipset register depends on the board (clocks, |
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* ...) |
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*/ |
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const SMI_REGS *preg = board_get_regs (); |
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while (preg->Index) { |
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write_reg32 (preg->Index, preg->Value); |
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/*
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* Insert a delay between |
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*/ |
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udelay (1000); |
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preg ++; |
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} |
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} |
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#ifdef CONFIG_VIDEO_SM501_PCI |
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static struct pci_device_id sm501_pci_tbl[] = { |
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{ PCI_VENDOR_ID_SMI, PCI_DEVICE_ID_SMI_501 }, |
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{} |
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}; |
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#endif |
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/*
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* We do not enforce board code to provide empty/unused |
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* functions for this driver and define weak default |
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* functions here. |
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*/ |
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unsigned int __board_video_init (void) |
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{ |
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return 0; |
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} |
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unsigned int board_video_init (void) |
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__attribute__((weak, alias("__board_video_init"))); |
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unsigned int __board_video_get_fb (void) |
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{ |
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return 0; |
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} |
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unsigned int board_video_get_fb (void) |
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__attribute__((weak, alias("__board_video_get_fb"))); |
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void __board_validate_screen (unsigned int base) |
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{ |
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} |
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void board_validate_screen (unsigned int base) |
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__attribute__((weak, alias("__board_validate_screen"))); |
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/*-----------------------------------------------------------------------------
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* video_hw_init -- |
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*----------------------------------------------------------------------------- |
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*/ |
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void *video_hw_init (void) |
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{ |
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#ifdef CONFIG_VIDEO_SM501_PCI |
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unsigned int pci_mem_base, pci_mmio_base; |
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unsigned int id; |
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unsigned short device_id; |
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pci_dev_t devbusfn; |
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int mem; |
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#endif |
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unsigned int *vm, i; |
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memset (&sm501, 0, sizeof (GraphicDevice)); |
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#ifdef CONFIG_VIDEO_SM501_PCI |
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printf("Video: "); |
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/* Look for SM501/SM502 chips */ |
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devbusfn = pci_find_devices(sm501_pci_tbl, 0); |
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if (devbusfn < 0) { |
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printf ("PCI Controller not found.\n"); |
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goto not_pci; |
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} |
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/* Setup */ |
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pci_write_config_dword (devbusfn, PCI_COMMAND, |
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(PCI_COMMAND_MEMORY | PCI_COMMAND_IO)); |
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pci_read_config_word (devbusfn, PCI_DEVICE_ID, &device_id); |
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pci_read_config_dword (devbusfn, PCI_REVISION_ID, &id); |
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pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &pci_mem_base); |
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pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_1, &pci_mmio_base); |
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sm501.frameAdrs = pci_mem_to_phys (devbusfn, pci_mem_base); |
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sm501.isaBase = pci_mem_to_phys (devbusfn, pci_mmio_base); |
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if (sm501.isaBase) |
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write_reg32 = write_le32; |
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mem = in_le32 ((unsigned __iomem *)(sm501.isaBase + 0x10)); |
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mem = (mem & 0x0000e000) >> 13; |
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switch (mem) { |
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case 1: |
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mem = 8; |
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break; |
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case 2: |
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mem = 16; |
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break; |
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case 3: |
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mem = 32; |
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break; |
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case 4: |
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mem = 64; |
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break; |
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case 5: |
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mem = 2; |
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break; |
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case 0: |
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default: |
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mem = 4; |
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} |
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printf ("PCI SM50%d %d MB\n", ((id & 0xff) == 0xC0) ? 2 : 1, mem); |
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not_pci: |
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#endif |
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/*
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* Initialization of the access to the graphic chipset Retreive base |
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* address of the chipset (see board/RPXClassic/eccx.c) |
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*/ |
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if (!sm501.isaBase) { |
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sm501.isaBase = board_video_init (); |
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if (!sm501.isaBase) |
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return NULL; |
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} |
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if (!sm501.frameAdrs) { |
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sm501.frameAdrs = board_video_get_fb (); |
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if (!sm501.frameAdrs) |
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return NULL; |
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} |
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sm501.winSizeX = board_get_width (); |
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sm501.winSizeY = board_get_height (); |
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#if defined(CONFIG_VIDEO_SM501_8BPP) |
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sm501.gdfIndex = GDF__8BIT_INDEX; |
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sm501.gdfBytesPP = 1; |
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#elif defined(CONFIG_VIDEO_SM501_16BPP) |
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sm501.gdfIndex = GDF_16BIT_565RGB; |
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sm501.gdfBytesPP = 2; |
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#elif defined(CONFIG_VIDEO_SM501_32BPP) |
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sm501.gdfIndex = GDF_32BIT_X888RGB; |
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sm501.gdfBytesPP = 4; |
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#else |
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#error Unsupported SM501 BPP |
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#endif |
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sm501.memSize = sm501.winSizeX * sm501.winSizeY * sm501.gdfBytesPP; |
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/* Load Smi registers */ |
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SmiSetRegs (); |
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/* (see board/RPXClassic/RPXClassic.c) */ |
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board_validate_screen (sm501.isaBase); |
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/* Clear video memory */ |
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i = sm501.memSize/4; |
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vm = (unsigned int *)sm501.frameAdrs; |
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while(i--) |
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*vm++ = 0; |
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return (&sm501); |
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} |
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@ -1,35 +0,0 @@ |
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/*
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* (C) Copyright 2002 |
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* Stäubli Faverges - <www.staubli.com> |
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* Pierre AUBERT p.aubert@staubli.com |
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* |
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* (C) Copyright 2005 |
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* Martin Krause TQ-Systems GmbH martin.krause@tqs.de |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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/*
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* Basic video support for SMI SM501 "Voyager" graphic controller |
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*/ |
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#ifndef _SM501_H_ |
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#define _SM501_H_ |
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#define PCI_VENDOR_SM 0x126f |
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#define PCI_DEVICE_SM501 0x0501 |
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typedef struct { |
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unsigned int Index; |
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unsigned int Value; |
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} SMI_REGS; |
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/* Board specific functions */ |
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unsigned int board_video_init (void); |
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void board_validate_screen (unsigned int base); |
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const SMI_REGS *board_get_regs (void); |
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int board_get_width (void); |
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int board_get_height (void); |
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unsigned int board_video_get_fb (void); |
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#endif /* _SM501_H_ */ |
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