root / hw / gt64xxx.c @ a46007a0
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/*
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* QEMU GT64120 PCI host
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*
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* Copyright (c) 2006,2007 Aurelien Jarno
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw.h" |
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#include "mips.h" |
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#include "pci.h" |
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#include "pc.h" |
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typedef target_phys_addr_t pci_addr_t;
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#include "pci_host.h" |
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//#define DEBUG
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#ifdef DEBUG
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#define dprintf(fmt, ...) fprintf(stderr, "%s: " fmt, __FUNCTION__, ##__VA_ARGS__) |
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#else
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#define dprintf(fmt, ...)
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#endif
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#define GT_REGS (0x1000 >> 2) |
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/* CPU Configuration */
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#define GT_CPU (0x000 >> 2) |
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#define GT_MULTI (0x120 >> 2) |
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|
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/* CPU Address Decode */
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#define GT_SCS10LD (0x008 >> 2) |
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#define GT_SCS10HD (0x010 >> 2) |
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#define GT_SCS32LD (0x018 >> 2) |
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#define GT_SCS32HD (0x020 >> 2) |
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#define GT_CS20LD (0x028 >> 2) |
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#define GT_CS20HD (0x030 >> 2) |
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#define GT_CS3BOOTLD (0x038 >> 2) |
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#define GT_CS3BOOTHD (0x040 >> 2) |
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#define GT_PCI0IOLD (0x048 >> 2) |
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#define GT_PCI0IOHD (0x050 >> 2) |
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#define GT_PCI0M0LD (0x058 >> 2) |
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#define GT_PCI0M0HD (0x060 >> 2) |
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#define GT_PCI0M1LD (0x080 >> 2) |
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#define GT_PCI0M1HD (0x088 >> 2) |
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#define GT_PCI1IOLD (0x090 >> 2) |
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#define GT_PCI1IOHD (0x098 >> 2) |
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#define GT_PCI1M0LD (0x0a0 >> 2) |
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#define GT_PCI1M0HD (0x0a8 >> 2) |
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#define GT_PCI1M1LD (0x0b0 >> 2) |
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#define GT_PCI1M1HD (0x0b8 >> 2) |
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#define GT_ISD (0x068 >> 2) |
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|
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#define GT_SCS10AR (0x0d0 >> 2) |
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#define GT_SCS32AR (0x0d8 >> 2) |
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#define GT_CS20R (0x0e0 >> 2) |
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#define GT_CS3BOOTR (0x0e8 >> 2) |
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#define GT_PCI0IOREMAP (0x0f0 >> 2) |
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#define GT_PCI0M0REMAP (0x0f8 >> 2) |
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#define GT_PCI0M1REMAP (0x100 >> 2) |
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#define GT_PCI1IOREMAP (0x108 >> 2) |
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#define GT_PCI1M0REMAP (0x110 >> 2) |
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#define GT_PCI1M1REMAP (0x118 >> 2) |
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|
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/* CPU Error Report */
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#define GT_CPUERR_ADDRLO (0x070 >> 2) |
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#define GT_CPUERR_ADDRHI (0x078 >> 2) |
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#define GT_CPUERR_DATALO (0x128 >> 2) /* GT-64120A only */ |
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#define GT_CPUERR_DATAHI (0x130 >> 2) /* GT-64120A only */ |
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#define GT_CPUERR_PARITY (0x138 >> 2) /* GT-64120A only */ |
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/* CPU Sync Barrier */
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#define GT_PCI0SYNC (0x0c0 >> 2) |
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#define GT_PCI1SYNC (0x0c8 >> 2) |
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/* SDRAM and Device Address Decode */
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#define GT_SCS0LD (0x400 >> 2) |
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#define GT_SCS0HD (0x404 >> 2) |
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#define GT_SCS1LD (0x408 >> 2) |
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#define GT_SCS1HD (0x40c >> 2) |
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#define GT_SCS2LD (0x410 >> 2) |
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#define GT_SCS2HD (0x414 >> 2) |
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#define GT_SCS3LD (0x418 >> 2) |
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#define GT_SCS3HD (0x41c >> 2) |
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#define GT_CS0LD (0x420 >> 2) |
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#define GT_CS0HD (0x424 >> 2) |
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#define GT_CS1LD (0x428 >> 2) |
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#define GT_CS1HD (0x42c >> 2) |
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#define GT_CS2LD (0x430 >> 2) |
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#define GT_CS2HD (0x434 >> 2) |
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#define GT_CS3LD (0x438 >> 2) |
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#define GT_CS3HD (0x43c >> 2) |
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#define GT_BOOTLD (0x440 >> 2) |
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#define GT_BOOTHD (0x444 >> 2) |
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#define GT_ADERR (0x470 >> 2) |
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/* SDRAM Configuration */
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#define GT_SDRAM_CFG (0x448 >> 2) |
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#define GT_SDRAM_OPMODE (0x474 >> 2) |
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#define GT_SDRAM_BM (0x478 >> 2) |
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#define GT_SDRAM_ADDRDECODE (0x47c >> 2) |
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/* SDRAM Parameters */
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#define GT_SDRAM_B0 (0x44c >> 2) |
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#define GT_SDRAM_B1 (0x450 >> 2) |
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#define GT_SDRAM_B2 (0x454 >> 2) |
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#define GT_SDRAM_B3 (0x458 >> 2) |
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/* Device Parameters */
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#define GT_DEV_B0 (0x45c >> 2) |
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#define GT_DEV_B1 (0x460 >> 2) |
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#define GT_DEV_B2 (0x464 >> 2) |
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#define GT_DEV_B3 (0x468 >> 2) |
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#define GT_DEV_BOOT (0x46c >> 2) |
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/* ECC */
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#define GT_ECC_ERRDATALO (0x480 >> 2) /* GT-64120A only */ |
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#define GT_ECC_ERRDATAHI (0x484 >> 2) /* GT-64120A only */ |
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#define GT_ECC_MEM (0x488 >> 2) /* GT-64120A only */ |
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#define GT_ECC_CALC (0x48c >> 2) /* GT-64120A only */ |
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#define GT_ECC_ERRADDR (0x490 >> 2) /* GT-64120A only */ |
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/* DMA Record */
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#define GT_DMA0_CNT (0x800 >> 2) |
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#define GT_DMA1_CNT (0x804 >> 2) |
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#define GT_DMA2_CNT (0x808 >> 2) |
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#define GT_DMA3_CNT (0x80c >> 2) |
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#define GT_DMA0_SA (0x810 >> 2) |
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#define GT_DMA1_SA (0x814 >> 2) |
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#define GT_DMA2_SA (0x818 >> 2) |
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#define GT_DMA3_SA (0x81c >> 2) |
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#define GT_DMA0_DA (0x820 >> 2) |
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#define GT_DMA1_DA (0x824 >> 2) |
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#define GT_DMA2_DA (0x828 >> 2) |
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#define GT_DMA3_DA (0x82c >> 2) |
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#define GT_DMA0_NEXT (0x830 >> 2) |
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#define GT_DMA1_NEXT (0x834 >> 2) |
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#define GT_DMA2_NEXT (0x838 >> 2) |
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#define GT_DMA3_NEXT (0x83c >> 2) |
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#define GT_DMA0_CUR (0x870 >> 2) |
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#define GT_DMA1_CUR (0x874 >> 2) |
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#define GT_DMA2_CUR (0x878 >> 2) |
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#define GT_DMA3_CUR (0x87c >> 2) |
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/* DMA Channel Control */
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#define GT_DMA0_CTRL (0x840 >> 2) |
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#define GT_DMA1_CTRL (0x844 >> 2) |
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#define GT_DMA2_CTRL (0x848 >> 2) |
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#define GT_DMA3_CTRL (0x84c >> 2) |
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/* DMA Arbiter */
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#define GT_DMA_ARB (0x860 >> 2) |
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/* Timer/Counter */
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#define GT_TC0 (0x850 >> 2) |
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#define GT_TC1 (0x854 >> 2) |
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#define GT_TC2 (0x858 >> 2) |
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#define GT_TC3 (0x85c >> 2) |
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#define GT_TC_CONTROL (0x864 >> 2) |
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/* PCI Internal */
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#define GT_PCI0_CMD (0xc00 >> 2) |
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#define GT_PCI0_TOR (0xc04 >> 2) |
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#define GT_PCI0_BS_SCS10 (0xc08 >> 2) |
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#define GT_PCI0_BS_SCS32 (0xc0c >> 2) |
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#define GT_PCI0_BS_CS20 (0xc10 >> 2) |
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#define GT_PCI0_BS_CS3BT (0xc14 >> 2) |
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#define GT_PCI1_IACK (0xc30 >> 2) |
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#define GT_PCI0_IACK (0xc34 >> 2) |
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#define GT_PCI0_BARE (0xc3c >> 2) |
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#define GT_PCI0_PREFMBR (0xc40 >> 2) |
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#define GT_PCI0_SCS10_BAR (0xc48 >> 2) |
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#define GT_PCI0_SCS32_BAR (0xc4c >> 2) |
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#define GT_PCI0_CS20_BAR (0xc50 >> 2) |
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#define GT_PCI0_CS3BT_BAR (0xc54 >> 2) |
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#define GT_PCI0_SSCS10_BAR (0xc58 >> 2) |
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#define GT_PCI0_SSCS32_BAR (0xc5c >> 2) |
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#define GT_PCI0_SCS3BT_BAR (0xc64 >> 2) |
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#define GT_PCI1_CMD (0xc80 >> 2) |
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#define GT_PCI1_TOR (0xc84 >> 2) |
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#define GT_PCI1_BS_SCS10 (0xc88 >> 2) |
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#define GT_PCI1_BS_SCS32 (0xc8c >> 2) |
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#define GT_PCI1_BS_CS20 (0xc90 >> 2) |
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#define GT_PCI1_BS_CS3BT (0xc94 >> 2) |
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#define GT_PCI1_BARE (0xcbc >> 2) |
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#define GT_PCI1_PREFMBR (0xcc0 >> 2) |
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#define GT_PCI1_SCS10_BAR (0xcc8 >> 2) |
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#define GT_PCI1_SCS32_BAR (0xccc >> 2) |
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#define GT_PCI1_CS20_BAR (0xcd0 >> 2) |
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#define GT_PCI1_CS3BT_BAR (0xcd4 >> 2) |
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#define GT_PCI1_SSCS10_BAR (0xcd8 >> 2) |
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#define GT_PCI1_SSCS32_BAR (0xcdc >> 2) |
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#define GT_PCI1_SCS3BT_BAR (0xce4 >> 2) |
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#define GT_PCI1_CFGADDR (0xcf0 >> 2) |
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#define GT_PCI1_CFGDATA (0xcf4 >> 2) |
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#define GT_PCI0_CFGADDR (0xcf8 >> 2) |
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#define GT_PCI0_CFGDATA (0xcfc >> 2) |
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/* Interrupts */
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#define GT_INTRCAUSE (0xc18 >> 2) |
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#define GT_INTRMASK (0xc1c >> 2) |
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#define GT_PCI0_ICMASK (0xc24 >> 2) |
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#define GT_PCI0_SERR0MASK (0xc28 >> 2) |
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#define GT_CPU_INTSEL (0xc70 >> 2) |
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#define GT_PCI0_INTSEL (0xc74 >> 2) |
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#define GT_HINTRCAUSE (0xc98 >> 2) |
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#define GT_HINTRMASK (0xc9c >> 2) |
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#define GT_PCI0_HICMASK (0xca4 >> 2) |
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#define GT_PCI1_SERR1MASK (0xca8 >> 2) |
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typedef PCIHostState GT64120PCIState;
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#define PCI_MAPPING_ENTRY(regname) \
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target_phys_addr_t regname ##_start; \ |
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target_phys_addr_t regname ##_length; \ |
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int regname ##_handle |
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typedef struct GT64120State { |
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GT64120PCIState *pci; |
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uint32_t regs[GT_REGS]; |
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PCI_MAPPING_ENTRY(PCI0IO); |
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PCI_MAPPING_ENTRY(ISD); |
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} GT64120State; |
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/* Adjust range to avoid touching space which isn't mappable via PCI */
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/* XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000
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0x1fc00000 - 0x1fd00000 */
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static void check_reserved_space (target_phys_addr_t *start, |
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target_phys_addr_t *length) |
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{ |
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target_phys_addr_t begin = *start; |
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target_phys_addr_t end = *start + *length; |
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if (end >= 0x1e000000LL && end < 0x1f100000LL) |
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end = 0x1e000000LL;
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if (begin >= 0x1e000000LL && begin < 0x1f100000LL) |
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begin = 0x1f100000LL;
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if (end >= 0x1fc00000LL && end < 0x1fd00000LL) |
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end = 0x1fc00000LL;
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if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL) |
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begin = 0x1fd00000LL;
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/* XXX: This is broken when a reserved range splits the requested range */
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if (end >= 0x1f100000LL && begin < 0x1e000000LL) |
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end = 0x1e000000LL;
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if (end >= 0x1fd00000LL && begin < 0x1fc00000LL) |
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end = 0x1fc00000LL;
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*start = begin; |
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*length = end - begin; |
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} |
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static void gt64120_isd_mapping(GT64120State *s) |
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{ |
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target_phys_addr_t start = s->regs[GT_ISD] << 21;
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target_phys_addr_t length = 0x1000;
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if (s->ISD_length)
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cpu_register_physical_memory(s->ISD_start, s->ISD_length, |
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IO_MEM_UNASSIGNED); |
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check_reserved_space(&start, &length); |
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length = 0x1000;
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/* Map new address */
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dprintf("ISD: %x@%x -> %x@%x, %x\n", s->ISD_length, s->ISD_start,
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length, start, s->ISD_handle); |
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s->ISD_start = start; |
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s->ISD_length = length; |
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cpu_register_physical_memory(s->ISD_start, s->ISD_length, s->ISD_handle); |
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} |
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static void gt64120_pci_mapping(GT64120State *s) |
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{ |
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/* Update IO mapping */
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if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD]) |
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{ |
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/* Unmap old IO address */
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if (s->PCI0IO_length)
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{ |
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cpu_register_physical_memory(s->PCI0IO_start, s->PCI0IO_length, IO_MEM_UNASSIGNED); |
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} |
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/* Map new IO address */
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s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21;
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s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21; |
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isa_mem_base = s->PCI0IO_start; |
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isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length); |
303 |
} |
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} |
305 |
|
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static void gt64120_writel (void *opaque, target_phys_addr_t addr, |
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uint32_t val) |
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{ |
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GT64120State *s = opaque; |
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uint32_t saddr; |
311 |
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if (!(s->regs[GT_CPU] & 0x00001000)) |
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val = bswap32(val); |
314 |
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saddr = (addr & 0xfff) >> 2; |
316 |
switch (saddr) {
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|
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/* CPU Configuration */
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case GT_CPU:
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s->regs[GT_CPU] = val; |
321 |
break;
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case GT_MULTI:
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/* Read-only register as only one GT64xxx is present on the CPU bus */
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break;
|
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|
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/* CPU Address Decode */
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case GT_PCI0IOLD:
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s->regs[GT_PCI0IOLD] = val & 0x00007fff;
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s->regs[GT_PCI0IOREMAP] = val & 0x000007ff;
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gt64120_pci_mapping(s); |
331 |
break;
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case GT_PCI0M0LD:
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s->regs[GT_PCI0M0LD] = val & 0x00007fff;
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s->regs[GT_PCI0M0REMAP] = val & 0x000007ff;
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break;
|
336 |
case GT_PCI0M1LD:
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s->regs[GT_PCI0M1LD] = val & 0x00007fff;
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s->regs[GT_PCI0M1REMAP] = val & 0x000007ff;
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break;
|
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case GT_PCI1IOLD:
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s->regs[GT_PCI1IOLD] = val & 0x00007fff;
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s->regs[GT_PCI1IOREMAP] = val & 0x000007ff;
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break;
|
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case GT_PCI1M0LD:
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s->regs[GT_PCI1M0LD] = val & 0x00007fff;
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s->regs[GT_PCI1M0REMAP] = val & 0x000007ff;
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347 |
break;
|
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case GT_PCI1M1LD:
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349 |
s->regs[GT_PCI1M1LD] = val & 0x00007fff;
|
350 |
s->regs[GT_PCI1M1REMAP] = val & 0x000007ff;
|
351 |
break;
|
352 |
case GT_PCI0IOHD:
|
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s->regs[saddr] = val & 0x0000007f;
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gt64120_pci_mapping(s); |
355 |
break;
|
356 |
case GT_PCI0M0HD:
|
357 |
case GT_PCI0M1HD:
|
358 |
case GT_PCI1IOHD:
|
359 |
case GT_PCI1M0HD:
|
360 |
case GT_PCI1M1HD:
|
361 |
s->regs[saddr] = val & 0x0000007f;
|
362 |
break;
|
363 |
case GT_ISD:
|
364 |
s->regs[saddr] = val & 0x00007fff;
|
365 |
gt64120_isd_mapping(s); |
366 |
break;
|
367 |
|
368 |
case GT_PCI0IOREMAP:
|
369 |
case GT_PCI0M0REMAP:
|
370 |
case GT_PCI0M1REMAP:
|
371 |
case GT_PCI1IOREMAP:
|
372 |
case GT_PCI1M0REMAP:
|
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case GT_PCI1M1REMAP:
|
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s->regs[saddr] = val & 0x000007ff;
|
375 |
break;
|
376 |
|
377 |
/* CPU Error Report */
|
378 |
case GT_CPUERR_ADDRLO:
|
379 |
case GT_CPUERR_ADDRHI:
|
380 |
case GT_CPUERR_DATALO:
|
381 |
case GT_CPUERR_DATAHI:
|
382 |
case GT_CPUERR_PARITY:
|
383 |
/* Read-only registers, do nothing */
|
384 |
break;
|
385 |
|
386 |
/* CPU Sync Barrier */
|
387 |
case GT_PCI0SYNC:
|
388 |
case GT_PCI1SYNC:
|
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/* Read-only registers, do nothing */
|
390 |
break;
|
391 |
|
392 |
/* SDRAM and Device Address Decode */
|
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case GT_SCS0LD:
|
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case GT_SCS0HD:
|
395 |
case GT_SCS1LD:
|
396 |
case GT_SCS1HD:
|
397 |
case GT_SCS2LD:
|
398 |
case GT_SCS2HD:
|
399 |
case GT_SCS3LD:
|
400 |
case GT_SCS3HD:
|
401 |
case GT_CS0LD:
|
402 |
case GT_CS0HD:
|
403 |
case GT_CS1LD:
|
404 |
case GT_CS1HD:
|
405 |
case GT_CS2LD:
|
406 |
case GT_CS2HD:
|
407 |
case GT_CS3LD:
|
408 |
case GT_CS3HD:
|
409 |
case GT_BOOTLD:
|
410 |
case GT_BOOTHD:
|
411 |
case GT_ADERR:
|
412 |
/* SDRAM Configuration */
|
413 |
case GT_SDRAM_CFG:
|
414 |
case GT_SDRAM_OPMODE:
|
415 |
case GT_SDRAM_BM:
|
416 |
case GT_SDRAM_ADDRDECODE:
|
417 |
/* Accept and ignore SDRAM interleave configuration */
|
418 |
s->regs[saddr] = val; |
419 |
break;
|
420 |
|
421 |
/* Device Parameters */
|
422 |
case GT_DEV_B0:
|
423 |
case GT_DEV_B1:
|
424 |
case GT_DEV_B2:
|
425 |
case GT_DEV_B3:
|
426 |
case GT_DEV_BOOT:
|
427 |
/* Not implemented */
|
428 |
dprintf ("Unimplemented device register offset 0x%x\n", saddr << 2); |
429 |
break;
|
430 |
|
431 |
/* ECC */
|
432 |
case GT_ECC_ERRDATALO:
|
433 |
case GT_ECC_ERRDATAHI:
|
434 |
case GT_ECC_MEM:
|
435 |
case GT_ECC_CALC:
|
436 |
case GT_ECC_ERRADDR:
|
437 |
/* Read-only registers, do nothing */
|
438 |
break;
|
439 |
|
440 |
/* DMA Record */
|
441 |
case GT_DMA0_CNT:
|
442 |
case GT_DMA1_CNT:
|
443 |
case GT_DMA2_CNT:
|
444 |
case GT_DMA3_CNT:
|
445 |
case GT_DMA0_SA:
|
446 |
case GT_DMA1_SA:
|
447 |
case GT_DMA2_SA:
|
448 |
case GT_DMA3_SA:
|
449 |
case GT_DMA0_DA:
|
450 |
case GT_DMA1_DA:
|
451 |
case GT_DMA2_DA:
|
452 |
case GT_DMA3_DA:
|
453 |
case GT_DMA0_NEXT:
|
454 |
case GT_DMA1_NEXT:
|
455 |
case GT_DMA2_NEXT:
|
456 |
case GT_DMA3_NEXT:
|
457 |
case GT_DMA0_CUR:
|
458 |
case GT_DMA1_CUR:
|
459 |
case GT_DMA2_CUR:
|
460 |
case GT_DMA3_CUR:
|
461 |
/* Not implemented */
|
462 |
dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
463 |
break;
|
464 |
|
465 |
/* DMA Channel Control */
|
466 |
case GT_DMA0_CTRL:
|
467 |
case GT_DMA1_CTRL:
|
468 |
case GT_DMA2_CTRL:
|
469 |
case GT_DMA3_CTRL:
|
470 |
/* Not implemented */
|
471 |
dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
472 |
break;
|
473 |
|
474 |
/* DMA Arbiter */
|
475 |
case GT_DMA_ARB:
|
476 |
/* Not implemented */
|
477 |
dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
478 |
break;
|
479 |
|
480 |
/* Timer/Counter */
|
481 |
case GT_TC0:
|
482 |
case GT_TC1:
|
483 |
case GT_TC2:
|
484 |
case GT_TC3:
|
485 |
case GT_TC_CONTROL:
|
486 |
/* Not implemented */
|
487 |
dprintf ("Unimplemented timer register offset 0x%x\n", saddr << 2); |
488 |
break;
|
489 |
|
490 |
/* PCI Internal */
|
491 |
case GT_PCI0_CMD:
|
492 |
case GT_PCI1_CMD:
|
493 |
s->regs[saddr] = val & 0x0401fc0f;
|
494 |
break;
|
495 |
case GT_PCI0_TOR:
|
496 |
case GT_PCI0_BS_SCS10:
|
497 |
case GT_PCI0_BS_SCS32:
|
498 |
case GT_PCI0_BS_CS20:
|
499 |
case GT_PCI0_BS_CS3BT:
|
500 |
case GT_PCI1_IACK:
|
501 |
case GT_PCI0_IACK:
|
502 |
case GT_PCI0_BARE:
|
503 |
case GT_PCI0_PREFMBR:
|
504 |
case GT_PCI0_SCS10_BAR:
|
505 |
case GT_PCI0_SCS32_BAR:
|
506 |
case GT_PCI0_CS20_BAR:
|
507 |
case GT_PCI0_CS3BT_BAR:
|
508 |
case GT_PCI0_SSCS10_BAR:
|
509 |
case GT_PCI0_SSCS32_BAR:
|
510 |
case GT_PCI0_SCS3BT_BAR:
|
511 |
case GT_PCI1_TOR:
|
512 |
case GT_PCI1_BS_SCS10:
|
513 |
case GT_PCI1_BS_SCS32:
|
514 |
case GT_PCI1_BS_CS20:
|
515 |
case GT_PCI1_BS_CS3BT:
|
516 |
case GT_PCI1_BARE:
|
517 |
case GT_PCI1_PREFMBR:
|
518 |
case GT_PCI1_SCS10_BAR:
|
519 |
case GT_PCI1_SCS32_BAR:
|
520 |
case GT_PCI1_CS20_BAR:
|
521 |
case GT_PCI1_CS3BT_BAR:
|
522 |
case GT_PCI1_SSCS10_BAR:
|
523 |
case GT_PCI1_SSCS32_BAR:
|
524 |
case GT_PCI1_SCS3BT_BAR:
|
525 |
case GT_PCI1_CFGADDR:
|
526 |
case GT_PCI1_CFGDATA:
|
527 |
/* not implemented */
|
528 |
break;
|
529 |
case GT_PCI0_CFGADDR:
|
530 |
s->pci->config_reg = val & 0x80fffffc;
|
531 |
break;
|
532 |
case GT_PCI0_CFGDATA:
|
533 |
if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci->config_reg & 0x00fff800)) |
534 |
val = bswap32(val); |
535 |
if (s->pci->config_reg & (1u << 31)) |
536 |
pci_data_write(s->pci->bus, s->pci->config_reg, val, 4);
|
537 |
break;
|
538 |
|
539 |
/* Interrupts */
|
540 |
case GT_INTRCAUSE:
|
541 |
/* not really implemented */
|
542 |
s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe));
|
543 |
s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe);
|
544 |
dprintf("INTRCAUSE %x\n", val);
|
545 |
break;
|
546 |
case GT_INTRMASK:
|
547 |
s->regs[saddr] = val & 0x3c3ffffe;
|
548 |
dprintf("INTRMASK %x\n", val);
|
549 |
break;
|
550 |
case GT_PCI0_ICMASK:
|
551 |
s->regs[saddr] = val & 0x03fffffe;
|
552 |
dprintf("ICMASK %x\n", val);
|
553 |
break;
|
554 |
case GT_PCI0_SERR0MASK:
|
555 |
s->regs[saddr] = val & 0x0000003f;
|
556 |
dprintf("SERR0MASK %x\n", val);
|
557 |
break;
|
558 |
|
559 |
/* Reserved when only PCI_0 is configured. */
|
560 |
case GT_HINTRCAUSE:
|
561 |
case GT_CPU_INTSEL:
|
562 |
case GT_PCI0_INTSEL:
|
563 |
case GT_HINTRMASK:
|
564 |
case GT_PCI0_HICMASK:
|
565 |
case GT_PCI1_SERR1MASK:
|
566 |
/* not implemented */
|
567 |
break;
|
568 |
|
569 |
/* SDRAM Parameters */
|
570 |
case GT_SDRAM_B0:
|
571 |
case GT_SDRAM_B1:
|
572 |
case GT_SDRAM_B2:
|
573 |
case GT_SDRAM_B3:
|
574 |
/* We don't simulate electrical parameters of the SDRAM.
|
575 |
Accept, but ignore the values. */
|
576 |
s->regs[saddr] = val; |
577 |
break;
|
578 |
|
579 |
default:
|
580 |
dprintf ("Bad register offset 0x%x\n", (int)addr); |
581 |
break;
|
582 |
} |
583 |
} |
584 |
|
585 |
static uint32_t gt64120_readl (void *opaque, |
586 |
target_phys_addr_t addr) |
587 |
{ |
588 |
GT64120State *s = opaque; |
589 |
uint32_t val; |
590 |
uint32_t saddr; |
591 |
|
592 |
saddr = (addr & 0xfff) >> 2; |
593 |
switch (saddr) {
|
594 |
|
595 |
/* CPU Configuration */
|
596 |
case GT_MULTI:
|
597 |
/* Only one GT64xxx is present on the CPU bus, return
|
598 |
the initial value */
|
599 |
val = s->regs[saddr]; |
600 |
break;
|
601 |
|
602 |
/* CPU Error Report */
|
603 |
case GT_CPUERR_ADDRLO:
|
604 |
case GT_CPUERR_ADDRHI:
|
605 |
case GT_CPUERR_DATALO:
|
606 |
case GT_CPUERR_DATAHI:
|
607 |
case GT_CPUERR_PARITY:
|
608 |
/* Emulated memory has no error, always return the initial
|
609 |
values */
|
610 |
val = s->regs[saddr]; |
611 |
break;
|
612 |
|
613 |
/* CPU Sync Barrier */
|
614 |
case GT_PCI0SYNC:
|
615 |
case GT_PCI1SYNC:
|
616 |
/* Reading those register should empty all FIFO on the PCI
|
617 |
bus, which are not emulated. The return value should be
|
618 |
a random value that should be ignored. */
|
619 |
val = 0xc000ffee;
|
620 |
break;
|
621 |
|
622 |
/* ECC */
|
623 |
case GT_ECC_ERRDATALO:
|
624 |
case GT_ECC_ERRDATAHI:
|
625 |
case GT_ECC_MEM:
|
626 |
case GT_ECC_CALC:
|
627 |
case GT_ECC_ERRADDR:
|
628 |
/* Emulated memory has no error, always return the initial
|
629 |
values */
|
630 |
val = s->regs[saddr]; |
631 |
break;
|
632 |
|
633 |
case GT_CPU:
|
634 |
case GT_SCS10LD:
|
635 |
case GT_SCS10HD:
|
636 |
case GT_SCS32LD:
|
637 |
case GT_SCS32HD:
|
638 |
case GT_CS20LD:
|
639 |
case GT_CS20HD:
|
640 |
case GT_CS3BOOTLD:
|
641 |
case GT_CS3BOOTHD:
|
642 |
case GT_SCS10AR:
|
643 |
case GT_SCS32AR:
|
644 |
case GT_CS20R:
|
645 |
case GT_CS3BOOTR:
|
646 |
case GT_PCI0IOLD:
|
647 |
case GT_PCI0M0LD:
|
648 |
case GT_PCI0M1LD:
|
649 |
case GT_PCI1IOLD:
|
650 |
case GT_PCI1M0LD:
|
651 |
case GT_PCI1M1LD:
|
652 |
case GT_PCI0IOHD:
|
653 |
case GT_PCI0M0HD:
|
654 |
case GT_PCI0M1HD:
|
655 |
case GT_PCI1IOHD:
|
656 |
case GT_PCI1M0HD:
|
657 |
case GT_PCI1M1HD:
|
658 |
case GT_PCI0IOREMAP:
|
659 |
case GT_PCI0M0REMAP:
|
660 |
case GT_PCI0M1REMAP:
|
661 |
case GT_PCI1IOREMAP:
|
662 |
case GT_PCI1M0REMAP:
|
663 |
case GT_PCI1M1REMAP:
|
664 |
case GT_ISD:
|
665 |
val = s->regs[saddr]; |
666 |
break;
|
667 |
case GT_PCI0_IACK:
|
668 |
/* Read the IRQ number */
|
669 |
val = pic_read_irq(isa_pic); |
670 |
break;
|
671 |
|
672 |
/* SDRAM and Device Address Decode */
|
673 |
case GT_SCS0LD:
|
674 |
case GT_SCS0HD:
|
675 |
case GT_SCS1LD:
|
676 |
case GT_SCS1HD:
|
677 |
case GT_SCS2LD:
|
678 |
case GT_SCS2HD:
|
679 |
case GT_SCS3LD:
|
680 |
case GT_SCS3HD:
|
681 |
case GT_CS0LD:
|
682 |
case GT_CS0HD:
|
683 |
case GT_CS1LD:
|
684 |
case GT_CS1HD:
|
685 |
case GT_CS2LD:
|
686 |
case GT_CS2HD:
|
687 |
case GT_CS3LD:
|
688 |
case GT_CS3HD:
|
689 |
case GT_BOOTLD:
|
690 |
case GT_BOOTHD:
|
691 |
case GT_ADERR:
|
692 |
val = s->regs[saddr]; |
693 |
break;
|
694 |
|
695 |
/* SDRAM Configuration */
|
696 |
case GT_SDRAM_CFG:
|
697 |
case GT_SDRAM_OPMODE:
|
698 |
case GT_SDRAM_BM:
|
699 |
case GT_SDRAM_ADDRDECODE:
|
700 |
val = s->regs[saddr]; |
701 |
break;
|
702 |
|
703 |
/* SDRAM Parameters */
|
704 |
case GT_SDRAM_B0:
|
705 |
case GT_SDRAM_B1:
|
706 |
case GT_SDRAM_B2:
|
707 |
case GT_SDRAM_B3:
|
708 |
/* We don't simulate electrical parameters of the SDRAM.
|
709 |
Just return the last written value. */
|
710 |
val = s->regs[saddr]; |
711 |
break;
|
712 |
|
713 |
/* Device Parameters */
|
714 |
case GT_DEV_B0:
|
715 |
case GT_DEV_B1:
|
716 |
case GT_DEV_B2:
|
717 |
case GT_DEV_B3:
|
718 |
case GT_DEV_BOOT:
|
719 |
val = s->regs[saddr]; |
720 |
break;
|
721 |
|
722 |
/* DMA Record */
|
723 |
case GT_DMA0_CNT:
|
724 |
case GT_DMA1_CNT:
|
725 |
case GT_DMA2_CNT:
|
726 |
case GT_DMA3_CNT:
|
727 |
case GT_DMA0_SA:
|
728 |
case GT_DMA1_SA:
|
729 |
case GT_DMA2_SA:
|
730 |
case GT_DMA3_SA:
|
731 |
case GT_DMA0_DA:
|
732 |
case GT_DMA1_DA:
|
733 |
case GT_DMA2_DA:
|
734 |
case GT_DMA3_DA:
|
735 |
case GT_DMA0_NEXT:
|
736 |
case GT_DMA1_NEXT:
|
737 |
case GT_DMA2_NEXT:
|
738 |
case GT_DMA3_NEXT:
|
739 |
case GT_DMA0_CUR:
|
740 |
case GT_DMA1_CUR:
|
741 |
case GT_DMA2_CUR:
|
742 |
case GT_DMA3_CUR:
|
743 |
val = s->regs[saddr]; |
744 |
break;
|
745 |
|
746 |
/* DMA Channel Control */
|
747 |
case GT_DMA0_CTRL:
|
748 |
case GT_DMA1_CTRL:
|
749 |
case GT_DMA2_CTRL:
|
750 |
case GT_DMA3_CTRL:
|
751 |
val = s->regs[saddr]; |
752 |
break;
|
753 |
|
754 |
/* DMA Arbiter */
|
755 |
case GT_DMA_ARB:
|
756 |
val = s->regs[saddr]; |
757 |
break;
|
758 |
|
759 |
/* Timer/Counter */
|
760 |
case GT_TC0:
|
761 |
case GT_TC1:
|
762 |
case GT_TC2:
|
763 |
case GT_TC3:
|
764 |
case GT_TC_CONTROL:
|
765 |
val = s->regs[saddr]; |
766 |
break;
|
767 |
|
768 |
/* PCI Internal */
|
769 |
case GT_PCI0_CFGADDR:
|
770 |
val = s->pci->config_reg; |
771 |
break;
|
772 |
case GT_PCI0_CFGDATA:
|
773 |
if (!(s->pci->config_reg & (1 << 31))) |
774 |
val = 0xffffffff;
|
775 |
else
|
776 |
val = pci_data_read(s->pci->bus, s->pci->config_reg, 4);
|
777 |
if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci->config_reg & 0x00fff800)) |
778 |
val = bswap32(val); |
779 |
break;
|
780 |
|
781 |
case GT_PCI0_CMD:
|
782 |
case GT_PCI0_TOR:
|
783 |
case GT_PCI0_BS_SCS10:
|
784 |
case GT_PCI0_BS_SCS32:
|
785 |
case GT_PCI0_BS_CS20:
|
786 |
case GT_PCI0_BS_CS3BT:
|
787 |
case GT_PCI1_IACK:
|
788 |
case GT_PCI0_BARE:
|
789 |
case GT_PCI0_PREFMBR:
|
790 |
case GT_PCI0_SCS10_BAR:
|
791 |
case GT_PCI0_SCS32_BAR:
|
792 |
case GT_PCI0_CS20_BAR:
|
793 |
case GT_PCI0_CS3BT_BAR:
|
794 |
case GT_PCI0_SSCS10_BAR:
|
795 |
case GT_PCI0_SSCS32_BAR:
|
796 |
case GT_PCI0_SCS3BT_BAR:
|
797 |
case GT_PCI1_CMD:
|
798 |
case GT_PCI1_TOR:
|
799 |
case GT_PCI1_BS_SCS10:
|
800 |
case GT_PCI1_BS_SCS32:
|
801 |
case GT_PCI1_BS_CS20:
|
802 |
case GT_PCI1_BS_CS3BT:
|
803 |
case GT_PCI1_BARE:
|
804 |
case GT_PCI1_PREFMBR:
|
805 |
case GT_PCI1_SCS10_BAR:
|
806 |
case GT_PCI1_SCS32_BAR:
|
807 |
case GT_PCI1_CS20_BAR:
|
808 |
case GT_PCI1_CS3BT_BAR:
|
809 |
case GT_PCI1_SSCS10_BAR:
|
810 |
case GT_PCI1_SSCS32_BAR:
|
811 |
case GT_PCI1_SCS3BT_BAR:
|
812 |
case GT_PCI1_CFGADDR:
|
813 |
case GT_PCI1_CFGDATA:
|
814 |
val = s->regs[saddr]; |
815 |
break;
|
816 |
|
817 |
/* Interrupts */
|
818 |
case GT_INTRCAUSE:
|
819 |
val = s->regs[saddr]; |
820 |
dprintf("INTRCAUSE %x\n", val);
|
821 |
break;
|
822 |
case GT_INTRMASK:
|
823 |
val = s->regs[saddr]; |
824 |
dprintf("INTRMASK %x\n", val);
|
825 |
break;
|
826 |
case GT_PCI0_ICMASK:
|
827 |
val = s->regs[saddr]; |
828 |
dprintf("ICMASK %x\n", val);
|
829 |
break;
|
830 |
case GT_PCI0_SERR0MASK:
|
831 |
val = s->regs[saddr]; |
832 |
dprintf("SERR0MASK %x\n", val);
|
833 |
break;
|
834 |
|
835 |
/* Reserved when only PCI_0 is configured. */
|
836 |
case GT_HINTRCAUSE:
|
837 |
case GT_CPU_INTSEL:
|
838 |
case GT_PCI0_INTSEL:
|
839 |
case GT_HINTRMASK:
|
840 |
case GT_PCI0_HICMASK:
|
841 |
case GT_PCI1_SERR1MASK:
|
842 |
val = s->regs[saddr]; |
843 |
break;
|
844 |
|
845 |
default:
|
846 |
val = s->regs[saddr]; |
847 |
dprintf ("Bad register offset 0x%x\n", (int)addr); |
848 |
break;
|
849 |
} |
850 |
|
851 |
if (!(s->regs[GT_CPU] & 0x00001000)) |
852 |
val = bswap32(val); |
853 |
|
854 |
return val;
|
855 |
} |
856 |
|
857 |
static CPUWriteMemoryFunc * const gt64120_write[] = { |
858 |
>64120_writel, |
859 |
>64120_writel, |
860 |
>64120_writel, |
861 |
}; |
862 |
|
863 |
static CPUReadMemoryFunc * const gt64120_read[] = { |
864 |
>64120_readl, |
865 |
>64120_readl, |
866 |
>64120_readl, |
867 |
}; |
868 |
|
869 |
static int pci_gt64120_map_irq(PCIDevice *pci_dev, int irq_num) |
870 |
{ |
871 |
int slot;
|
872 |
|
873 |
slot = (pci_dev->devfn >> 3);
|
874 |
|
875 |
switch (slot) {
|
876 |
/* PIIX4 USB */
|
877 |
case 10: |
878 |
return 3; |
879 |
/* AMD 79C973 Ethernet */
|
880 |
case 11: |
881 |
return 1; |
882 |
/* Crystal 4281 Sound */
|
883 |
case 12: |
884 |
return 2; |
885 |
/* PCI slot 1 to 4 */
|
886 |
case 18 ... 21: |
887 |
return ((slot - 18) + irq_num) & 0x03; |
888 |
/* Unknown device, don't do any translation */
|
889 |
default:
|
890 |
return irq_num;
|
891 |
} |
892 |
} |
893 |
|
894 |
static int pci_irq_levels[4]; |
895 |
|
896 |
static void pci_gt64120_set_irq(void *opaque, int irq_num, int level) |
897 |
{ |
898 |
int i, pic_irq, pic_level;
|
899 |
qemu_irq *pic = opaque; |
900 |
|
901 |
pci_irq_levels[irq_num] = level; |
902 |
|
903 |
/* now we change the pic irq level according to the piix irq mappings */
|
904 |
/* XXX: optimize */
|
905 |
pic_irq = piix4_dev->config[0x60 + irq_num];
|
906 |
if (pic_irq < 16) { |
907 |
/* The pic level is the logical OR of all the PCI irqs mapped
|
908 |
to it */
|
909 |
pic_level = 0;
|
910 |
for (i = 0; i < 4; i++) { |
911 |
if (pic_irq == piix4_dev->config[0x60 + i]) |
912 |
pic_level |= pci_irq_levels[i]; |
913 |
} |
914 |
qemu_set_irq(pic[pic_irq], pic_level); |
915 |
} |
916 |
} |
917 |
|
918 |
|
919 |
static void gt64120_reset(void *opaque) |
920 |
{ |
921 |
GT64120State *s = opaque; |
922 |
|
923 |
/* FIXME: Malta specific hw assumptions ahead */
|
924 |
|
925 |
/* CPU Configuration */
|
926 |
#ifdef TARGET_WORDS_BIGENDIAN
|
927 |
s->regs[GT_CPU] = 0x00000000;
|
928 |
#else
|
929 |
s->regs[GT_CPU] = 0x00001000;
|
930 |
#endif
|
931 |
s->regs[GT_MULTI] = 0x00000003;
|
932 |
|
933 |
/* CPU Address decode */
|
934 |
s->regs[GT_SCS10LD] = 0x00000000;
|
935 |
s->regs[GT_SCS10HD] = 0x00000007;
|
936 |
s->regs[GT_SCS32LD] = 0x00000008;
|
937 |
s->regs[GT_SCS32HD] = 0x0000000f;
|
938 |
s->regs[GT_CS20LD] = 0x000000e0;
|
939 |
s->regs[GT_CS20HD] = 0x00000070;
|
940 |
s->regs[GT_CS3BOOTLD] = 0x000000f8;
|
941 |
s->regs[GT_CS3BOOTHD] = 0x0000007f;
|
942 |
|
943 |
s->regs[GT_PCI0IOLD] = 0x00000080;
|
944 |
s->regs[GT_PCI0IOHD] = 0x0000000f;
|
945 |
s->regs[GT_PCI0M0LD] = 0x00000090;
|
946 |
s->regs[GT_PCI0M0HD] = 0x0000001f;
|
947 |
s->regs[GT_ISD] = 0x000000a0;
|
948 |
s->regs[GT_PCI0M1LD] = 0x00000790;
|
949 |
s->regs[GT_PCI0M1HD] = 0x0000001f;
|
950 |
s->regs[GT_PCI1IOLD] = 0x00000100;
|
951 |
s->regs[GT_PCI1IOHD] = 0x0000000f;
|
952 |
s->regs[GT_PCI1M0LD] = 0x00000110;
|
953 |
s->regs[GT_PCI1M0HD] = 0x0000001f;
|
954 |
s->regs[GT_PCI1M1LD] = 0x00000120;
|
955 |
s->regs[GT_PCI1M1HD] = 0x0000002f;
|
956 |
|
957 |
s->regs[GT_SCS10AR] = 0x00000000;
|
958 |
s->regs[GT_SCS32AR] = 0x00000008;
|
959 |
s->regs[GT_CS20R] = 0x000000e0;
|
960 |
s->regs[GT_CS3BOOTR] = 0x000000f8;
|
961 |
|
962 |
s->regs[GT_PCI0IOREMAP] = 0x00000080;
|
963 |
s->regs[GT_PCI0M0REMAP] = 0x00000090;
|
964 |
s->regs[GT_PCI0M1REMAP] = 0x00000790;
|
965 |
s->regs[GT_PCI1IOREMAP] = 0x00000100;
|
966 |
s->regs[GT_PCI1M0REMAP] = 0x00000110;
|
967 |
s->regs[GT_PCI1M1REMAP] = 0x00000120;
|
968 |
|
969 |
/* CPU Error Report */
|
970 |
s->regs[GT_CPUERR_ADDRLO] = 0x00000000;
|
971 |
s->regs[GT_CPUERR_ADDRHI] = 0x00000000;
|
972 |
s->regs[GT_CPUERR_DATALO] = 0xffffffff;
|
973 |
s->regs[GT_CPUERR_DATAHI] = 0xffffffff;
|
974 |
s->regs[GT_CPUERR_PARITY] = 0x000000ff;
|
975 |
|
976 |
/* CPU Sync Barrier */
|
977 |
s->regs[GT_PCI0SYNC] = 0x00000000;
|
978 |
s->regs[GT_PCI1SYNC] = 0x00000000;
|
979 |
|
980 |
/* SDRAM and Device Address Decode */
|
981 |
s->regs[GT_SCS0LD] = 0x00000000;
|
982 |
s->regs[GT_SCS0HD] = 0x00000007;
|
983 |
s->regs[GT_SCS1LD] = 0x00000008;
|
984 |
s->regs[GT_SCS1HD] = 0x0000000f;
|
985 |
s->regs[GT_SCS2LD] = 0x00000010;
|
986 |
s->regs[GT_SCS2HD] = 0x00000017;
|
987 |
s->regs[GT_SCS3LD] = 0x00000018;
|
988 |
s->regs[GT_SCS3HD] = 0x0000001f;
|
989 |
s->regs[GT_CS0LD] = 0x000000c0;
|
990 |
s->regs[GT_CS0HD] = 0x000000c7;
|
991 |
s->regs[GT_CS1LD] = 0x000000c8;
|
992 |
s->regs[GT_CS1HD] = 0x000000cf;
|
993 |
s->regs[GT_CS2LD] = 0x000000d0;
|
994 |
s->regs[GT_CS2HD] = 0x000000df;
|
995 |
s->regs[GT_CS3LD] = 0x000000f0;
|
996 |
s->regs[GT_CS3HD] = 0x000000fb;
|
997 |
s->regs[GT_BOOTLD] = 0x000000fc;
|
998 |
s->regs[GT_BOOTHD] = 0x000000ff;
|
999 |
s->regs[GT_ADERR] = 0xffffffff;
|
1000 |
|
1001 |
/* SDRAM Configuration */
|
1002 |
s->regs[GT_SDRAM_CFG] = 0x00000200;
|
1003 |
s->regs[GT_SDRAM_OPMODE] = 0x00000000;
|
1004 |
s->regs[GT_SDRAM_BM] = 0x00000007;
|
1005 |
s->regs[GT_SDRAM_ADDRDECODE] = 0x00000002;
|
1006 |
|
1007 |
/* SDRAM Parameters */
|
1008 |
s->regs[GT_SDRAM_B0] = 0x00000005;
|
1009 |
s->regs[GT_SDRAM_B1] = 0x00000005;
|
1010 |
s->regs[GT_SDRAM_B2] = 0x00000005;
|
1011 |
s->regs[GT_SDRAM_B3] = 0x00000005;
|
1012 |
|
1013 |
/* ECC */
|
1014 |
s->regs[GT_ECC_ERRDATALO] = 0x00000000;
|
1015 |
s->regs[GT_ECC_ERRDATAHI] = 0x00000000;
|
1016 |
s->regs[GT_ECC_MEM] = 0x00000000;
|
1017 |
s->regs[GT_ECC_CALC] = 0x00000000;
|
1018 |
s->regs[GT_ECC_ERRADDR] = 0x00000000;
|
1019 |
|
1020 |
/* Device Parameters */
|
1021 |
s->regs[GT_DEV_B0] = 0x386fffff;
|
1022 |
s->regs[GT_DEV_B1] = 0x386fffff;
|
1023 |
s->regs[GT_DEV_B2] = 0x386fffff;
|
1024 |
s->regs[GT_DEV_B3] = 0x386fffff;
|
1025 |
s->regs[GT_DEV_BOOT] = 0x146fffff;
|
1026 |
|
1027 |
/* DMA registers are all zeroed at reset */
|
1028 |
|
1029 |
/* Timer/Counter */
|
1030 |
s->regs[GT_TC0] = 0xffffffff;
|
1031 |
s->regs[GT_TC1] = 0x00ffffff;
|
1032 |
s->regs[GT_TC2] = 0x00ffffff;
|
1033 |
s->regs[GT_TC3] = 0x00ffffff;
|
1034 |
s->regs[GT_TC_CONTROL] = 0x00000000;
|
1035 |
|
1036 |
/* PCI Internal */
|
1037 |
#ifdef TARGET_WORDS_BIGENDIAN
|
1038 |
s->regs[GT_PCI0_CMD] = 0x00000000;
|
1039 |
#else
|
1040 |
s->regs[GT_PCI0_CMD] = 0x00010001;
|
1041 |
#endif
|
1042 |
s->regs[GT_PCI0_TOR] = 0x0000070f;
|
1043 |
s->regs[GT_PCI0_BS_SCS10] = 0x00fff000;
|
1044 |
s->regs[GT_PCI0_BS_SCS32] = 0x00fff000;
|
1045 |
s->regs[GT_PCI0_BS_CS20] = 0x01fff000;
|
1046 |
s->regs[GT_PCI0_BS_CS3BT] = 0x00fff000;
|
1047 |
s->regs[GT_PCI1_IACK] = 0x00000000;
|
1048 |
s->regs[GT_PCI0_IACK] = 0x00000000;
|
1049 |
s->regs[GT_PCI0_BARE] = 0x0000000f;
|
1050 |
s->regs[GT_PCI0_PREFMBR] = 0x00000040;
|
1051 |
s->regs[GT_PCI0_SCS10_BAR] = 0x00000000;
|
1052 |
s->regs[GT_PCI0_SCS32_BAR] = 0x01000000;
|
1053 |
s->regs[GT_PCI0_CS20_BAR] = 0x1c000000;
|
1054 |
s->regs[GT_PCI0_CS3BT_BAR] = 0x1f000000;
|
1055 |
s->regs[GT_PCI0_SSCS10_BAR] = 0x00000000;
|
1056 |
s->regs[GT_PCI0_SSCS32_BAR] = 0x01000000;
|
1057 |
s->regs[GT_PCI0_SCS3BT_BAR] = 0x1f000000;
|
1058 |
#ifdef TARGET_WORDS_BIGENDIAN
|
1059 |
s->regs[GT_PCI1_CMD] = 0x00000000;
|
1060 |
#else
|
1061 |
s->regs[GT_PCI1_CMD] = 0x00010001;
|
1062 |
#endif
|
1063 |
s->regs[GT_PCI1_TOR] = 0x0000070f;
|
1064 |
s->regs[GT_PCI1_BS_SCS10] = 0x00fff000;
|
1065 |
s->regs[GT_PCI1_BS_SCS32] = 0x00fff000;
|
1066 |
s->regs[GT_PCI1_BS_CS20] = 0x01fff000;
|
1067 |
s->regs[GT_PCI1_BS_CS3BT] = 0x00fff000;
|
1068 |
s->regs[GT_PCI1_BARE] = 0x0000000f;
|
1069 |
s->regs[GT_PCI1_PREFMBR] = 0x00000040;
|
1070 |
s->regs[GT_PCI1_SCS10_BAR] = 0x00000000;
|
1071 |
s->regs[GT_PCI1_SCS32_BAR] = 0x01000000;
|
1072 |
s->regs[GT_PCI1_CS20_BAR] = 0x1c000000;
|
1073 |
s->regs[GT_PCI1_CS3BT_BAR] = 0x1f000000;
|
1074 |
s->regs[GT_PCI1_SSCS10_BAR] = 0x00000000;
|
1075 |
s->regs[GT_PCI1_SSCS32_BAR] = 0x01000000;
|
1076 |
s->regs[GT_PCI1_SCS3BT_BAR] = 0x1f000000;
|
1077 |
s->regs[GT_PCI1_CFGADDR] = 0x00000000;
|
1078 |
s->regs[GT_PCI1_CFGDATA] = 0x00000000;
|
1079 |
s->regs[GT_PCI0_CFGADDR] = 0x00000000;
|
1080 |
|
1081 |
/* Interrupt registers are all zeroed at reset */
|
1082 |
|
1083 |
gt64120_isd_mapping(s); |
1084 |
gt64120_pci_mapping(s); |
1085 |
} |
1086 |
|
1087 |
static uint32_t gt64120_read_config(PCIDevice *d, uint32_t address, int len) |
1088 |
{ |
1089 |
return pci_default_read_config(d, address, len);
|
1090 |
} |
1091 |
|
1092 |
static void gt64120_write_config(PCIDevice *d, uint32_t address, uint32_t val, |
1093 |
int len)
|
1094 |
{ |
1095 |
pci_default_write_config(d, address, val, len); |
1096 |
} |
1097 |
|
1098 |
static void gt64120_save(QEMUFile* f, void *opaque) |
1099 |
{ |
1100 |
PCIDevice *d = opaque; |
1101 |
pci_device_save(d, f); |
1102 |
} |
1103 |
|
1104 |
static int gt64120_load(QEMUFile* f, void *opaque, int version_id) |
1105 |
{ |
1106 |
PCIDevice *d = opaque; |
1107 |
int ret;
|
1108 |
|
1109 |
if (version_id != 1) |
1110 |
return -EINVAL;
|
1111 |
ret = pci_device_load(d, f); |
1112 |
if (ret < 0) |
1113 |
return ret;
|
1114 |
return 0; |
1115 |
} |
1116 |
|
1117 |
PCIBus *pci_gt64120_init(qemu_irq *pic) |
1118 |
{ |
1119 |
GT64120State *s; |
1120 |
PCIDevice *d; |
1121 |
|
1122 |
(void)&pci_host_data_writeb; /* avoid warning */ |
1123 |
(void)&pci_host_data_writew; /* avoid warning */ |
1124 |
(void)&pci_host_data_writel; /* avoid warning */ |
1125 |
(void)&pci_host_data_readb; /* avoid warning */ |
1126 |
(void)&pci_host_data_readw; /* avoid warning */ |
1127 |
(void)&pci_host_data_readl; /* avoid warning */ |
1128 |
|
1129 |
s = qemu_mallocz(sizeof(GT64120State));
|
1130 |
s->pci = qemu_mallocz(sizeof(GT64120PCIState));
|
1131 |
|
1132 |
s->pci->bus = pci_register_bus(NULL, "pci", |
1133 |
pci_gt64120_set_irq, pci_gt64120_map_irq, |
1134 |
pic, 144, 4); |
1135 |
s->ISD_handle = cpu_register_io_memory(gt64120_read, gt64120_write, s); |
1136 |
d = pci_register_device(s->pci->bus, "GT64120 PCI Bus", sizeof(PCIDevice), |
1137 |
0, gt64120_read_config, gt64120_write_config);
|
1138 |
|
1139 |
/* FIXME: Malta specific hw assumptions ahead */
|
1140 |
|
1141 |
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_MARVELL); |
1142 |
pci_config_set_device_id(d->config, PCI_DEVICE_ID_MARVELL_GT6412X); |
1143 |
|
1144 |
d->config[0x04] = 0x00; |
1145 |
d->config[0x05] = 0x00; |
1146 |
d->config[0x06] = 0x80; |
1147 |
d->config[0x07] = 0x02; |
1148 |
|
1149 |
d->config[0x08] = 0x10; |
1150 |
d->config[0x09] = 0x00; |
1151 |
pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST); |
1152 |
|
1153 |
d->config[0x10] = 0x08; |
1154 |
d->config[0x14] = 0x08; |
1155 |
d->config[0x17] = 0x01; |
1156 |
d->config[0x1B] = 0x1c; |
1157 |
d->config[0x1F] = 0x1f; |
1158 |
d->config[0x23] = 0x14; |
1159 |
d->config[0x24] = 0x01; |
1160 |
d->config[0x27] = 0x14; |
1161 |
d->config[0x3D] = 0x01; |
1162 |
|
1163 |
gt64120_reset(s); |
1164 |
|
1165 |
register_savevm("GT64120 PCI Bus", 0, 1, gt64120_save, gt64120_load, d); |
1166 |
|
1167 |
return s->pci->bus;
|
1168 |
} |