diff options
Diffstat (limited to 'hw/gt64xxx.c')
| -rw-r--r-- | hw/gt64xxx.c | 1188 |
1 files changed, 0 insertions, 1188 deletions
diff --git a/hw/gt64xxx.c b/hw/gt64xxx.c deleted file mode 100644 index 37be9c2a56..0000000000 --- a/hw/gt64xxx.c +++ /dev/null @@ -1,1188 +0,0 @@ -/* - * QEMU GT64120 PCI host - * - * Copyright (c) 2006,2007 Aurelien Jarno - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "hw/hw.h" -#include "hw/mips.h" -#include "hw/pci/pci.h" -#include "hw/pci/pci_host.h" -#include "hw/pc.h" -#include "exec/address-spaces.h" - -//#define DEBUG - -#ifdef DEBUG -#define DPRINTF(fmt, ...) fprintf(stderr, "%s: " fmt, __FUNCTION__, ##__VA_ARGS__) -#else -#define DPRINTF(fmt, ...) -#endif - -#define GT_REGS (0x1000 >> 2) - -/* CPU Configuration */ -#define GT_CPU (0x000 >> 2) -#define GT_MULTI (0x120 >> 2) - -/* CPU Address Decode */ -#define GT_SCS10LD (0x008 >> 2) -#define GT_SCS10HD (0x010 >> 2) -#define GT_SCS32LD (0x018 >> 2) -#define GT_SCS32HD (0x020 >> 2) -#define GT_CS20LD (0x028 >> 2) -#define GT_CS20HD (0x030 >> 2) -#define GT_CS3BOOTLD (0x038 >> 2) -#define GT_CS3BOOTHD (0x040 >> 2) -#define GT_PCI0IOLD (0x048 >> 2) -#define GT_PCI0IOHD (0x050 >> 2) -#define GT_PCI0M0LD (0x058 >> 2) -#define GT_PCI0M0HD (0x060 >> 2) -#define GT_PCI0M1LD (0x080 >> 2) -#define GT_PCI0M1HD (0x088 >> 2) -#define GT_PCI1IOLD (0x090 >> 2) -#define GT_PCI1IOHD (0x098 >> 2) -#define GT_PCI1M0LD (0x0a0 >> 2) -#define GT_PCI1M0HD (0x0a8 >> 2) -#define GT_PCI1M1LD (0x0b0 >> 2) -#define GT_PCI1M1HD (0x0b8 >> 2) -#define GT_ISD (0x068 >> 2) - -#define GT_SCS10AR (0x0d0 >> 2) -#define GT_SCS32AR (0x0d8 >> 2) -#define GT_CS20R (0x0e0 >> 2) -#define GT_CS3BOOTR (0x0e8 >> 2) - -#define GT_PCI0IOREMAP (0x0f0 >> 2) -#define GT_PCI0M0REMAP (0x0f8 >> 2) -#define GT_PCI0M1REMAP (0x100 >> 2) -#define GT_PCI1IOREMAP (0x108 >> 2) -#define GT_PCI1M0REMAP (0x110 >> 2) -#define GT_PCI1M1REMAP (0x118 >> 2) - -/* CPU Error Report */ -#define GT_CPUERR_ADDRLO (0x070 >> 2) -#define GT_CPUERR_ADDRHI (0x078 >> 2) -#define GT_CPUERR_DATALO (0x128 >> 2) /* GT-64120A only */ -#define GT_CPUERR_DATAHI (0x130 >> 2) /* GT-64120A only */ -#define GT_CPUERR_PARITY (0x138 >> 2) /* GT-64120A only */ - -/* CPU Sync Barrier */ -#define GT_PCI0SYNC (0x0c0 >> 2) -#define GT_PCI1SYNC (0x0c8 >> 2) - -/* SDRAM and Device Address Decode */ -#define GT_SCS0LD (0x400 >> 2) -#define GT_SCS0HD (0x404 >> 2) -#define GT_SCS1LD (0x408 >> 2) -#define GT_SCS1HD (0x40c >> 2) -#define GT_SCS2LD (0x410 >> 2) -#define GT_SCS2HD (0x414 >> 2) -#define GT_SCS3LD (0x418 >> 2) -#define GT_SCS3HD (0x41c >> 2) -#define GT_CS0LD (0x420 >> 2) -#define GT_CS0HD (0x424 >> 2) -#define GT_CS1LD (0x428 >> 2) -#define GT_CS1HD (0x42c >> 2) -#define GT_CS2LD (0x430 >> 2) -#define GT_CS2HD (0x434 >> 2) -#define GT_CS3LD (0x438 >> 2) -#define GT_CS3HD (0x43c >> 2) -#define GT_BOOTLD (0x440 >> 2) -#define GT_BOOTHD (0x444 >> 2) -#define GT_ADERR (0x470 >> 2) - -/* SDRAM Configuration */ -#define GT_SDRAM_CFG (0x448 >> 2) -#define GT_SDRAM_OPMODE (0x474 >> 2) -#define GT_SDRAM_BM (0x478 >> 2) -#define GT_SDRAM_ADDRDECODE (0x47c >> 2) - -/* SDRAM Parameters */ -#define GT_SDRAM_B0 (0x44c >> 2) -#define GT_SDRAM_B1 (0x450 >> 2) -#define GT_SDRAM_B2 (0x454 >> 2) -#define GT_SDRAM_B3 (0x458 >> 2) - -/* Device Parameters */ -#define GT_DEV_B0 (0x45c >> 2) -#define GT_DEV_B1 (0x460 >> 2) -#define GT_DEV_B2 (0x464 >> 2) -#define GT_DEV_B3 (0x468 >> 2) -#define GT_DEV_BOOT (0x46c >> 2) - -/* ECC */ -#define GT_ECC_ERRDATALO (0x480 >> 2) /* GT-64120A only */ -#define GT_ECC_ERRDATAHI (0x484 >> 2) /* GT-64120A only */ -#define GT_ECC_MEM (0x488 >> 2) /* GT-64120A only */ -#define GT_ECC_CALC (0x48c >> 2) /* GT-64120A only */ -#define GT_ECC_ERRADDR (0x490 >> 2) /* GT-64120A only */ - -/* DMA Record */ -#define GT_DMA0_CNT (0x800 >> 2) -#define GT_DMA1_CNT (0x804 >> 2) -#define GT_DMA2_CNT (0x808 >> 2) -#define GT_DMA3_CNT (0x80c >> 2) -#define GT_DMA0_SA (0x810 >> 2) -#define GT_DMA1_SA (0x814 >> 2) -#define GT_DMA2_SA (0x818 >> 2) -#define GT_DMA3_SA (0x81c >> 2) -#define GT_DMA0_DA (0x820 >> 2) -#define GT_DMA1_DA (0x824 >> 2) -#define GT_DMA2_DA (0x828 >> 2) -#define GT_DMA3_DA (0x82c >> 2) -#define GT_DMA0_NEXT (0x830 >> 2) -#define GT_DMA1_NEXT (0x834 >> 2) -#define GT_DMA2_NEXT (0x838 >> 2) -#define GT_DMA3_NEXT (0x83c >> 2) -#define GT_DMA0_CUR (0x870 >> 2) -#define GT_DMA1_CUR (0x874 >> 2) -#define GT_DMA2_CUR (0x878 >> 2) -#define GT_DMA3_CUR (0x87c >> 2) - -/* DMA Channel Control */ -#define GT_DMA0_CTRL (0x840 >> 2) -#define GT_DMA1_CTRL (0x844 >> 2) -#define GT_DMA2_CTRL (0x848 >> 2) -#define GT_DMA3_CTRL (0x84c >> 2) - -/* DMA Arbiter */ -#define GT_DMA_ARB (0x860 >> 2) - -/* Timer/Counter */ -#define GT_TC0 (0x850 >> 2) -#define GT_TC1 (0x854 >> 2) -#define GT_TC2 (0x858 >> 2) -#define GT_TC3 (0x85c >> 2) -#define GT_TC_CONTROL (0x864 >> 2) - -/* PCI Internal */ -#define GT_PCI0_CMD (0xc00 >> 2) -#define GT_PCI0_TOR (0xc04 >> 2) -#define GT_PCI0_BS_SCS10 (0xc08 >> 2) -#define GT_PCI0_BS_SCS32 (0xc0c >> 2) -#define GT_PCI0_BS_CS20 (0xc10 >> 2) -#define GT_PCI0_BS_CS3BT (0xc14 >> 2) -#define GT_PCI1_IACK (0xc30 >> 2) -#define GT_PCI0_IACK (0xc34 >> 2) -#define GT_PCI0_BARE (0xc3c >> 2) -#define GT_PCI0_PREFMBR (0xc40 >> 2) -#define GT_PCI0_SCS10_BAR (0xc48 >> 2) -#define GT_PCI0_SCS32_BAR (0xc4c >> 2) -#define GT_PCI0_CS20_BAR (0xc50 >> 2) -#define GT_PCI0_CS3BT_BAR (0xc54 >> 2) -#define GT_PCI0_SSCS10_BAR (0xc58 >> 2) -#define GT_PCI0_SSCS32_BAR (0xc5c >> 2) -#define GT_PCI0_SCS3BT_BAR (0xc64 >> 2) -#define GT_PCI1_CMD (0xc80 >> 2) -#define GT_PCI1_TOR (0xc84 >> 2) -#define GT_PCI1_BS_SCS10 (0xc88 >> 2) -#define GT_PCI1_BS_SCS32 (0xc8c >> 2) -#define GT_PCI1_BS_CS20 (0xc90 >> 2) -#define GT_PCI1_BS_CS3BT (0xc94 >> 2) -#define GT_PCI1_BARE (0xcbc >> 2) -#define GT_PCI1_PREFMBR (0xcc0 >> 2) -#define GT_PCI1_SCS10_BAR (0xcc8 >> 2) -#define GT_PCI1_SCS32_BAR (0xccc >> 2) -#define GT_PCI1_CS20_BAR (0xcd0 >> 2) -#define GT_PCI1_CS3BT_BAR (0xcd4 >> 2) -#define GT_PCI1_SSCS10_BAR (0xcd8 >> 2) -#define GT_PCI1_SSCS32_BAR (0xcdc >> 2) -#define GT_PCI1_SCS3BT_BAR (0xce4 >> 2) -#define GT_PCI1_CFGADDR (0xcf0 >> 2) -#define GT_PCI1_CFGDATA (0xcf4 >> 2) -#define GT_PCI0_CFGADDR (0xcf8 >> 2) -#define GT_PCI0_CFGDATA (0xcfc >> 2) - -/* Interrupts */ -#define GT_INTRCAUSE (0xc18 >> 2) -#define GT_INTRMASK (0xc1c >> 2) -#define GT_PCI0_ICMASK (0xc24 >> 2) -#define GT_PCI0_SERR0MASK (0xc28 >> 2) -#define GT_CPU_INTSEL (0xc70 >> 2) -#define GT_PCI0_INTSEL (0xc74 >> 2) -#define GT_HINTRCAUSE (0xc98 >> 2) -#define GT_HINTRMASK (0xc9c >> 2) -#define GT_PCI0_HICMASK (0xca4 >> 2) -#define GT_PCI1_SERR1MASK (0xca8 >> 2) - -#define PCI_MAPPING_ENTRY(regname) \ - hwaddr regname ##_start; \ - hwaddr regname ##_length; \ - MemoryRegion regname ##_mem - -#define TYPE_GT64120_PCI_HOST_BRIDGE "gt64120" - -#define GT64120_PCI_HOST_BRIDGE(obj) \ - OBJECT_CHECK(GT64120State, (obj), TYPE_GT64120_PCI_HOST_BRIDGE) - -typedef struct GT64120State { - PCIHostState parent_obj; - - uint32_t regs[GT_REGS]; - PCI_MAPPING_ENTRY(PCI0IO); - PCI_MAPPING_ENTRY(ISD); -} GT64120State; - -/* Adjust range to avoid touching space which isn't mappable via PCI */ -/* XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000 - 0x1fc00000 - 0x1fd00000 */ -static void check_reserved_space (hwaddr *start, - hwaddr *length) -{ - hwaddr begin = *start; - hwaddr end = *start + *length; - - if (end >= 0x1e000000LL && end < 0x1f100000LL) - end = 0x1e000000LL; - if (begin >= 0x1e000000LL && begin < 0x1f100000LL) - begin = 0x1f100000LL; - if (end >= 0x1fc00000LL && end < 0x1fd00000LL) - end = 0x1fc00000LL; - if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL) - begin = 0x1fd00000LL; - /* XXX: This is broken when a reserved range splits the requested range */ - if (end >= 0x1f100000LL && begin < 0x1e000000LL) - end = 0x1e000000LL; - if (end >= 0x1fd00000LL && begin < 0x1fc00000LL) - end = 0x1fc00000LL; - - *start = begin; - *length = end - begin; -} - -static void gt64120_isd_mapping(GT64120State *s) -{ - hwaddr start = s->regs[GT_ISD] << 21; - hwaddr length = 0x1000; - - if (s->ISD_length) { - memory_region_del_subregion(get_system_memory(), &s->ISD_mem); - } - check_reserved_space(&start, &length); - length = 0x1000; - /* Map new address */ - DPRINTF("ISD: "TARGET_FMT_plx"@"TARGET_FMT_plx - " -> "TARGET_FMT_plx"@"TARGET_FMT_plx"\n", - s->ISD_length, s->ISD_start, length, start); - s->ISD_start = start; - s->ISD_length = length; - memory_region_add_subregion(get_system_memory(), s->ISD_start, &s->ISD_mem); -} - -static void gt64120_pci_mapping(GT64120State *s) -{ - /* Update IO mapping */ - if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD]) - { - /* Unmap old IO address */ - if (s->PCI0IO_length) - { - memory_region_del_subregion(get_system_memory(), &s->PCI0IO_mem); - memory_region_destroy(&s->PCI0IO_mem); - } - /* Map new IO address */ - s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21; - s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21; - isa_mem_base = s->PCI0IO_start; - if (s->PCI0IO_length) { - isa_mmio_setup(&s->PCI0IO_mem, s->PCI0IO_length); - memory_region_add_subregion(get_system_memory(), s->PCI0IO_start, - &s->PCI0IO_mem); - } - } -} - -static void gt64120_writel (void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - GT64120State *s = opaque; - PCIHostState *phb = PCI_HOST_BRIDGE(s); - uint32_t saddr; - - if (!(s->regs[GT_CPU] & 0x00001000)) - val = bswap32(val); - - saddr = (addr & 0xfff) >> 2; - switch (saddr) { - - /* CPU Configuration */ - case GT_CPU: - s->regs[GT_CPU] = val; - break; - case GT_MULTI: - /* Read-only register as only one GT64xxx is present on the CPU bus */ - break; - - /* CPU Address Decode */ - case GT_PCI0IOLD: - s->regs[GT_PCI0IOLD] = val & 0x00007fff; - s->regs[GT_PCI0IOREMAP] = val & 0x000007ff; - gt64120_pci_mapping(s); - break; - case GT_PCI0M0LD: - s->regs[GT_PCI0M0LD] = val & 0x00007fff; - s->regs[GT_PCI0M0REMAP] = val & 0x000007ff; - break; - case GT_PCI0M1LD: - s->regs[GT_PCI0M1LD] = val & 0x00007fff; - s->regs[GT_PCI0M1REMAP] = val & 0x000007ff; - break; - case GT_PCI1IOLD: - s->regs[GT_PCI1IOLD] = val & 0x00007fff; - s->regs[GT_PCI1IOREMAP] = val & 0x000007ff; - break; - case GT_PCI1M0LD: - s->regs[GT_PCI1M0LD] = val & 0x00007fff; - s->regs[GT_PCI1M0REMAP] = val & 0x000007ff; - break; - case GT_PCI1M1LD: - s->regs[GT_PCI1M1LD] = val & 0x00007fff; - s->regs[GT_PCI1M1REMAP] = val & 0x000007ff; - break; - case GT_PCI0IOHD: - s->regs[saddr] = val & 0x0000007f; - gt64120_pci_mapping(s); - break; - case GT_PCI0M0HD: - case GT_PCI0M1HD: - case GT_PCI1IOHD: - case GT_PCI1M0HD: - case GT_PCI1M1HD: - s->regs[saddr] = val & 0x0000007f; - break; - case GT_ISD: - s->regs[saddr] = val & 0x00007fff; - gt64120_isd_mapping(s); - break; - - case GT_PCI0IOREMAP: - case GT_PCI0M0REMAP: - case GT_PCI0M1REMAP: - case GT_PCI1IOREMAP: - case GT_PCI1M0REMAP: - case GT_PCI1M1REMAP: - s->regs[saddr] = val & 0x000007ff; - break; - - /* CPU Error Report */ - case GT_CPUERR_ADDRLO: - case GT_CPUERR_ADDRHI: - case GT_CPUERR_DATALO: - case GT_CPUERR_DATAHI: - case GT_CPUERR_PARITY: - /* Read-only registers, do nothing */ - break; - - /* CPU Sync Barrier */ - case GT_PCI0SYNC: - case GT_PCI1SYNC: - /* Read-only registers, do nothing */ - break; - - /* SDRAM and Device Address Decode */ - case GT_SCS0LD: - case GT_SCS0HD: - case GT_SCS1LD: - case GT_SCS1HD: - case GT_SCS2LD: - case GT_SCS2HD: - case GT_SCS3LD: - case GT_SCS3HD: - case GT_CS0LD: - case GT_CS0HD: - case GT_CS1LD: - case GT_CS1HD: - case GT_CS2LD: - case GT_CS2HD: - case GT_CS3LD: - case GT_CS3HD: - case GT_BOOTLD: - case GT_BOOTHD: - case GT_ADERR: - /* SDRAM Configuration */ - case GT_SDRAM_CFG: - case GT_SDRAM_OPMODE: - case GT_SDRAM_BM: - case GT_SDRAM_ADDRDECODE: - /* Accept and ignore SDRAM interleave configuration */ - s->regs[saddr] = val; - break; - - /* Device Parameters */ - case GT_DEV_B0: - case GT_DEV_B1: - case GT_DEV_B2: - case GT_DEV_B3: - case GT_DEV_BOOT: - /* Not implemented */ - DPRINTF ("Unimplemented device register offset 0x%x\n", saddr << 2); - break; - - /* ECC */ - case GT_ECC_ERRDATALO: - case GT_ECC_ERRDATAHI: - case GT_ECC_MEM: - case GT_ECC_CALC: - case GT_ECC_ERRADDR: - /* Read-only registers, do nothing */ - break; - - /* DMA Record */ - case GT_DMA0_CNT: - case GT_DMA1_CNT: - case GT_DMA2_CNT: - case GT_DMA3_CNT: - case GT_DMA0_SA: - case GT_DMA1_SA: - case GT_DMA2_SA: - case GT_DMA3_SA: - case GT_DMA0_DA: - case GT_DMA1_DA: - case GT_DMA2_DA: - case GT_DMA3_DA: - case GT_DMA0_NEXT: - case GT_DMA1_NEXT: - case GT_DMA2_NEXT: - case GT_DMA3_NEXT: - case GT_DMA0_CUR: - case GT_DMA1_CUR: - case GT_DMA2_CUR: - case GT_DMA3_CUR: - /* Not implemented */ - DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2); - break; - - /* DMA Channel Control */ - case GT_DMA0_CTRL: - case GT_DMA1_CTRL: - case GT_DMA2_CTRL: - case GT_DMA3_CTRL: - /* Not implemented */ - DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2); - break; - - /* DMA Arbiter */ - case GT_DMA_ARB: - /* Not implemented */ - DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2); - break; - - /* Timer/Counter */ - case GT_TC0: - case GT_TC1: - case GT_TC2: - case GT_TC3: - case GT_TC_CONTROL: - /* Not implemented */ - DPRINTF ("Unimplemented timer register offset 0x%x\n", saddr << 2); - break; - - /* PCI Internal */ - case GT_PCI0_CMD: - case GT_PCI1_CMD: - s->regs[saddr] = val & 0x0401fc0f; - break; - case GT_PCI0_TOR: - case GT_PCI0_BS_SCS10: - case GT_PCI0_BS_SCS32: - case GT_PCI0_BS_CS20: - case GT_PCI0_BS_CS3BT: - case GT_PCI1_IACK: - case GT_PCI0_IACK: - case GT_PCI0_BARE: - case GT_PCI0_PREFMBR: - case GT_PCI0_SCS10_BAR: - case GT_PCI0_SCS32_BAR: - case GT_PCI0_CS20_BAR: - case GT_PCI0_CS3BT_BAR: - case GT_PCI0_SSCS10_BAR: - case GT_PCI0_SSCS32_BAR: - case GT_PCI0_SCS3BT_BAR: - case GT_PCI1_TOR: - case GT_PCI1_BS_SCS10: - case GT_PCI1_BS_SCS32: - case GT_PCI1_BS_CS20: - case GT_PCI1_BS_CS3BT: - case GT_PCI1_BARE: - case GT_PCI1_PREFMBR: - case GT_PCI1_SCS10_BAR: - case GT_PCI1_SCS32_BAR: - case GT_PCI1_CS20_BAR: - case GT_PCI1_CS3BT_BAR: - case GT_PCI1_SSCS10_BAR: - case GT_PCI1_SSCS32_BAR: - case GT_PCI1_SCS3BT_BAR: - case GT_PCI1_CFGADDR: - case GT_PCI1_CFGDATA: - /* not implemented */ - break; - case GT_PCI0_CFGADDR: - phb->config_reg = val & 0x80fffffc; - break; - case GT_PCI0_CFGDATA: - if (!(s->regs[GT_PCI0_CMD] & 1) && (phb->config_reg & 0x00fff800)) { - val = bswap32(val); - } - if (phb->config_reg & (1u << 31)) { - pci_data_write(phb->bus, phb->config_reg, val, 4); - } - break; - - /* Interrupts */ - case GT_INTRCAUSE: - /* not really implemented */ - s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe)); - s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe); - DPRINTF("INTRCAUSE %" PRIx64 "\n", val); - break; - case GT_INTRMASK: - s->regs[saddr] = val & 0x3c3ffffe; - DPRINTF("INTRMASK %" PRIx64 "\n", val); - break; - case GT_PCI0_ICMASK: - s->regs[saddr] = val & 0x03fffffe; - DPRINTF("ICMASK %" PRIx64 "\n", val); - break; - case GT_PCI0_SERR0MASK: - s->regs[saddr] = val & 0x0000003f; - DPRINTF("SERR0MASK %" PRIx64 "\n", val); - break; - - /* Reserved when only PCI_0 is configured. */ - case GT_HINTRCAUSE: - case GT_CPU_INTSEL: - case GT_PCI0_INTSEL: - case GT_HINTRMASK: - case GT_PCI0_HICMASK: - case GT_PCI1_SERR1MASK: - /* not implemented */ - break; - - /* SDRAM Parameters */ - case GT_SDRAM_B0: - case GT_SDRAM_B1: - case GT_SDRAM_B2: - case GT_SDRAM_B3: - /* We don't simulate electrical parameters of the SDRAM. - Accept, but ignore the values. */ - s->regs[saddr] = val; - break; - - default: - DPRINTF ("Bad register offset 0x%x\n", (int)addr); - break; - } -} - -static uint64_t gt64120_readl (void *opaque, - hwaddr addr, unsigned size) -{ - GT64120State *s = opaque; - PCIHostState *phb = PCI_HOST_BRIDGE(s); - uint32_t val; - uint32_t saddr; - - saddr = (addr & 0xfff) >> 2; - switch (saddr) { - - /* CPU Configuration */ - case GT_MULTI: - /* Only one GT64xxx is present on the CPU bus, return - the initial value */ - val = s->regs[saddr]; - break; - - /* CPU Error Report */ - case GT_CPUERR_ADDRLO: - case GT_CPUERR_ADDRHI: - case GT_CPUERR_DATALO: - case GT_CPUERR_DATAHI: - case GT_CPUERR_PARITY: - /* Emulated memory has no error, always return the initial - values */ - val = s->regs[saddr]; - break; - - /* CPU Sync Barrier */ - case GT_PCI0SYNC: - case GT_PCI1SYNC: - /* Reading those register should empty all FIFO on the PCI - bus, which are not emulated. The return value should be - a random value that should be ignored. */ - val = 0xc000ffee; - break; - - /* ECC */ - case GT_ECC_ERRDATALO: - case GT_ECC_ERRDATAHI: - case GT_ECC_MEM: - case GT_ECC_CALC: - case GT_ECC_ERRADDR: - /* Emulated memory has no error, always return the initial - values */ - val = s->regs[saddr]; - break; - - case GT_CPU: - case GT_SCS10LD: - case GT_SCS10HD: - case GT_SCS32LD: - case GT_SCS32HD: - case GT_CS20LD: - case GT_CS20HD: - case GT_CS3BOOTLD: - case GT_CS3BOOTHD: - case GT_SCS10AR: - case GT_SCS32AR: - case GT_CS20R: - case GT_CS3BOOTR: - case GT_PCI0IOLD: - case GT_PCI0M0LD: - case GT_PCI0M1LD: - case GT_PCI1IOLD: - case GT_PCI1M0LD: - case GT_PCI1M1LD: - case GT_PCI0IOHD: - case GT_PCI0M0HD: - case GT_PCI0M1HD: - case GT_PCI1IOHD: - case GT_PCI1M0HD: - case GT_PCI1M1HD: - case GT_PCI0IOREMAP: - case GT_PCI0M0REMAP: - case GT_PCI0M1REMAP: - case GT_PCI1IOREMAP: - case GT_PCI1M0REMAP: - case GT_PCI1M1REMAP: - case GT_ISD: - val = s->regs[saddr]; - break; - case GT_PCI0_IACK: - /* Read the IRQ number */ - val = pic_read_irq(isa_pic); - break; - - /* SDRAM and Device Address Decode */ - case GT_SCS0LD: - case GT_SCS0HD: - case GT_SCS1LD: - case GT_SCS1HD: - case GT_SCS2LD: - case GT_SCS2HD: - case GT_SCS3LD: - case GT_SCS3HD: - case GT_CS0LD: - case GT_CS0HD: - case GT_CS1LD: - case GT_CS1HD: - case GT_CS2LD: - case GT_CS2HD: - case GT_CS3LD: - case GT_CS3HD: - case GT_BOOTLD: - case GT_BOOTHD: - case GT_ADERR: - val = s->regs[saddr]; - break; - - /* SDRAM Configuration */ - case GT_SDRAM_CFG: - case GT_SDRAM_OPMODE: - case GT_SDRAM_BM: - case GT_SDRAM_ADDRDECODE: - val = s->regs[saddr]; - break; - - /* SDRAM Parameters */ - case GT_SDRAM_B0: - case GT_SDRAM_B1: - case GT_SDRAM_B2: - case GT_SDRAM_B3: - /* We don't simulate electrical parameters of the SDRAM. - Just return the last written value. */ - val = s->regs[saddr]; - break; - - /* Device Parameters */ - case GT_DEV_B0: - case GT_DEV_B1: - case GT_DEV_B2: - case GT_DEV_B3: - case GT_DEV_BOOT: - val = s->regs[saddr]; - break; - - /* DMA Record */ - case GT_DMA0_CNT: - case GT_DMA1_CNT: - case GT_DMA2_CNT: - case GT_DMA3_CNT: - case GT_DMA0_SA: - case GT_DMA1_SA: - case GT_DMA2_SA: - case GT_DMA3_SA: - case GT_DMA0_DA: - case GT_DMA1_DA: - case GT_DMA2_DA: - case GT_DMA3_DA: - case GT_DMA0_NEXT: - case GT_DMA1_NEXT: - case GT_DMA2_NEXT: - case GT_DMA3_NEXT: - case GT_DMA0_CUR: - case GT_DMA1_CUR: - case GT_DMA2_CUR: - case GT_DMA3_CUR: - val = s->regs[saddr]; - break; - - /* DMA Channel Control */ - case GT_DMA0_CTRL: - case GT_DMA1_CTRL: - case GT_DMA2_CTRL: - case GT_DMA3_CTRL: - val = s->regs[saddr]; - break; - - /* DMA Arbiter */ - case GT_DMA_ARB: - val = s->regs[saddr]; - break; - - /* Timer/Counter */ - case GT_TC0: - case GT_TC1: - case GT_TC2: - case GT_TC3: - case GT_TC_CONTROL: - val = s->regs[saddr]; - break; - - /* PCI Internal */ - case GT_PCI0_CFGADDR: - val = phb->config_reg; - break; - case GT_PCI0_CFGDATA: - if (!(phb->config_reg & (1 << 31))) { - val = 0xffffffff; - } else { - val = pci_data_read(phb->bus, phb->config_reg, 4); - } - if (!(s->regs[GT_PCI0_CMD] & 1) && (phb->config_reg & 0x00fff800)) { - val = bswap32(val); - } - break; - - case GT_PCI0_CMD: - case GT_PCI0_TOR: - case GT_PCI0_BS_SCS10: - case GT_PCI0_BS_SCS32: - case GT_PCI0_BS_CS20: - case GT_PCI0_BS_CS3BT: - case GT_PCI1_IACK: - case GT_PCI0_BARE: - case GT_PCI0_PREFMBR: - case GT_PCI0_SCS10_BAR: - case GT_PCI0_SCS32_BAR: - case GT_PCI0_CS20_BAR: - case GT_PCI0_CS3BT_BAR: - case GT_PCI0_SSCS10_BAR: - case GT_PCI0_SSCS32_BAR: - case GT_PCI0_SCS3BT_BAR: - case GT_PCI1_CMD: - case GT_PCI1_TOR: - case GT_PCI1_BS_SCS10: - case GT_PCI1_BS_SCS32: - case GT_PCI1_BS_CS20: - case GT_PCI1_BS_CS3BT: - case GT_PCI1_BARE: - case GT_PCI1_PREFMBR: - case GT_PCI1_SCS10_BAR: - case GT_PCI1_SCS32_BAR: - case GT_PCI1_CS20_BAR: - case GT_PCI1_CS3BT_BAR: - case GT_PCI1_SSCS10_BAR: - case GT_PCI1_SSCS32_BAR: - case GT_PCI1_SCS3BT_BAR: - case GT_PCI1_CFGADDR: - case GT_PCI1_CFGDATA: - val = s->regs[saddr]; - break; - - /* Interrupts */ - case GT_INTRCAUSE: - val = s->regs[saddr]; - DPRINTF("INTRCAUSE %x\n", val); - break; - case GT_INTRMASK: - val = s->regs[saddr]; - DPRINTF("INTRMASK %x\n", val); - break; - case GT_PCI0_ICMASK: - val = s->regs[saddr]; - DPRINTF("ICMASK %x\n", val); - break; - case GT_PCI0_SERR0MASK: - val = s->regs[saddr]; - DPRINTF("SERR0MASK %x\n", val); - break; - - /* Reserved when only PCI_0 is configured. */ - case GT_HINTRCAUSE: - case GT_CPU_INTSEL: - case GT_PCI0_INTSEL: - case GT_HINTRMASK: - case GT_PCI0_HICMASK: - case GT_PCI1_SERR1MASK: - val = s->regs[saddr]; - break; - - default: - val = s->regs[saddr]; - DPRINTF ("Bad register offset 0x%x\n", (int)addr); - break; - } - - if (!(s->regs[GT_CPU] & 0x00001000)) - val = bswap32(val); - - return val; -} - -static const MemoryRegionOps isd_mem_ops = { - .read = gt64120_readl, - .write = gt64120_writel, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static int gt64120_pci_map_irq(PCIDevice *pci_dev, int irq_num) -{ - int slot; - - slot = (pci_dev->devfn >> 3); - - switch (slot) { - /* PIIX4 USB */ - case 10: - return 3; - /* AMD 79C973 Ethernet */ - case 11: - return 1; - /* Crystal 4281 Sound */ - case 12: - return 2; - /* PCI slot 1 to 4 */ - case 18 ... 21: - return ((slot - 18) + irq_num) & 0x03; - /* Unknown device, don't do any translation */ - default: - return irq_num; - } -} - -static int pci_irq_levels[4]; - -static void gt64120_pci_set_irq(void *opaque, int irq_num, int level) -{ - int i, pic_irq, pic_level; - qemu_irq *pic = opaque; - - pci_irq_levels[irq_num] = level; - - /* now we change the pic irq level according to the piix irq mappings */ - /* XXX: optimize */ - pic_irq = piix4_dev->config[0x60 + irq_num]; - if (pic_irq < 16) { - /* The pic level is the logical OR of all the PCI irqs mapped - to it */ - pic_level = 0; - for (i = 0; i < 4; i++) { - if (pic_irq == piix4_dev->config[0x60 + i]) - pic_level |= pci_irq_levels[i]; - } - qemu_set_irq(pic[pic_irq], pic_level); - } -} - - -static void gt64120_reset(void *opaque) -{ - GT64120State *s = opaque; - - /* FIXME: Malta specific hw assumptions ahead */ - - /* CPU Configuration */ -#ifdef TARGET_WORDS_BIGENDIAN - s->regs[GT_CPU] = 0x00000000; -#else - s->regs[GT_CPU] = 0x00001000; -#endif - s->regs[GT_MULTI] = 0x00000003; - - /* CPU Address decode */ - s->regs[GT_SCS10LD] = 0x00000000; - s->regs[GT_SCS10HD] = 0x00000007; - s->regs[GT_SCS32LD] = 0x00000008; - s->regs[GT_SCS32HD] = 0x0000000f; - s->regs[GT_CS20LD] = 0x000000e0; - s->regs[GT_CS20HD] = 0x00000070; - s->regs[GT_CS3BOOTLD] = 0x000000f8; - s->regs[GT_CS3BOOTHD] = 0x0000007f; - - s->regs[GT_PCI0IOLD] = 0x00000080; - s->regs[GT_PCI0IOHD] = 0x0000000f; - s->regs[GT_PCI0M0LD] = 0x00000090; - s->regs[GT_PCI0M0HD] = 0x0000001f; - s->regs[GT_ISD] = 0x000000a0; - s->regs[GT_PCI0M1LD] = 0x00000790; - s->regs[GT_PCI0M1HD] = 0x0000001f; - s->regs[GT_PCI1IOLD] = 0x00000100; - s->regs[GT_PCI1IOHD] = 0x0000000f; - s->regs[GT_PCI1M0LD] = 0x00000110; - s->regs[GT_PCI1M0HD] = 0x0000001f; - s->regs[GT_PCI1M1LD] = 0x00000120; - s->regs[GT_PCI1M1HD] = 0x0000002f; - - s->regs[GT_SCS10AR] = 0x00000000; - s->regs[GT_SCS32AR] = 0x00000008; - s->regs[GT_CS20R] = 0x000000e0; - s->regs[GT_CS3BOOTR] = 0x000000f8; - - s->regs[GT_PCI0IOREMAP] = 0x00000080; - s->regs[GT_PCI0M0REMAP] = 0x00000090; - s->regs[GT_PCI0M1REMAP] = 0x00000790; - s->regs[GT_PCI1IOREMAP] = 0x00000100; - s->regs[GT_PCI1M0REMAP] = 0x00000110; - s->regs[GT_PCI1M1REMAP] = 0x00000120; - - /* CPU Error Report */ - s->regs[GT_CPUERR_ADDRLO] = 0x00000000; - s->regs[GT_CPUERR_ADDRHI] = 0x00000000; - s->regs[GT_CPUERR_DATALO] = 0xffffffff; - s->regs[GT_CPUERR_DATAHI] = 0xffffffff; - s->regs[GT_CPUERR_PARITY] = 0x000000ff; - - /* CPU Sync Barrier */ - s->regs[GT_PCI0SYNC] = 0x00000000; - s->regs[GT_PCI1SYNC] = 0x00000000; - - /* SDRAM and Device Address Decode */ - s->regs[GT_SCS0LD] = 0x00000000; - s->regs[GT_SCS0HD] = 0x00000007; - s->regs[GT_SCS1LD] = 0x00000008; - s->regs[GT_SCS1HD] = 0x0000000f; - s->regs[GT_SCS2LD] = 0x00000010; - s->regs[GT_SCS2HD] = 0x00000017; - s->regs[GT_SCS3LD] = 0x00000018; - s->regs[GT_SCS3HD] = 0x0000001f; - s->regs[GT_CS0LD] = 0x000000c0; - s->regs[GT_CS0HD] = 0x000000c7; - s->regs[GT_CS1LD] = 0x000000c8; - s->regs[GT_CS1HD] = 0x000000cf; - s->regs[GT_CS2LD] = 0x000000d0; - s->regs[GT_CS2HD] = 0x000000df; - s->regs[GT_CS3LD] = 0x000000f0; - s->regs[GT_CS3HD] = 0x000000fb; - s->regs[GT_BOOTLD] = 0x000000fc; - s->regs[GT_BOOTHD] = 0x000000ff; - s->regs[GT_ADERR] = 0xffffffff; - - /* SDRAM Configuration */ - s->regs[GT_SDRAM_CFG] = 0x00000200; - s->regs[GT_SDRAM_OPMODE] = 0x00000000; - s->regs[GT_SDRAM_BM] = 0x00000007; - s->regs[GT_SDRAM_ADDRDECODE] = 0x00000002; - - /* SDRAM Parameters */ - s->regs[GT_SDRAM_B0] = 0x00000005; - s->regs[GT_SDRAM_B1] = 0x00000005; - s->regs[GT_SDRAM_B2] = 0x00000005; - s->regs[GT_SDRAM_B3] = 0x00000005; - - /* ECC */ - s->regs[GT_ECC_ERRDATALO] = 0x00000000; - s->regs[GT_ECC_ERRDATAHI] = 0x00000000; - s->regs[GT_ECC_MEM] = 0x00000000; - s->regs[GT_ECC_CALC] = 0x00000000; - s->regs[GT_ECC_ERRADDR] = 0x00000000; - - /* Device Parameters */ - s->regs[GT_DEV_B0] = 0x386fffff; - s->regs[GT_DEV_B1] = 0x386fffff; - s->regs[GT_DEV_B2] = 0x386fffff; - s->regs[GT_DEV_B3] = 0x386fffff; - s->regs[GT_DEV_BOOT] = 0x146fffff; - - /* DMA registers are all zeroed at reset */ - - /* Timer/Counter */ - s->regs[GT_TC0] = 0xffffffff; - s->regs[GT_TC1] = 0x00ffffff; - s->regs[GT_TC2] = 0x00ffffff; - s->regs[GT_TC3] = 0x00ffffff; - s->regs[GT_TC_CONTROL] = 0x00000000; - - /* PCI Internal */ -#ifdef TARGET_WORDS_BIGENDIAN - s->regs[GT_PCI0_CMD] = 0x00000000; -#else - s->regs[GT_PCI0_CMD] = 0x00010001; -#endif - s->regs[GT_PCI0_TOR] = 0x0000070f; - s->regs[GT_PCI0_BS_SCS10] = 0x00fff000; - s->regs[GT_PCI0_BS_SCS32] = 0x00fff000; - s->regs[GT_PCI0_BS_CS20] = 0x01fff000; - s->regs[GT_PCI0_BS_CS3BT] = 0x00fff000; - s->regs[GT_PCI1_IACK] = 0x00000000; - s->regs[GT_PCI0_IACK] = 0x00000000; - s->regs[GT_PCI0_BARE] = 0x0000000f; - s->regs[GT_PCI0_PREFMBR] = 0x00000040; - s->regs[GT_PCI0_SCS10_BAR] = 0x00000000; - s->regs[GT_PCI0_SCS32_BAR] = 0x01000000; - s->regs[GT_PCI0_CS20_BAR] = 0x1c000000; - s->regs[GT_PCI0_CS3BT_BAR] = 0x1f000000; - s->regs[GT_PCI0_SSCS10_BAR] = 0x00000000; - s->regs[GT_PCI0_SSCS32_BAR] = 0x01000000; - s->regs[GT_PCI0_SCS3BT_BAR] = 0x1f000000; -#ifdef TARGET_WORDS_BIGENDIAN - s->regs[GT_PCI1_CMD] = 0x00000000; -#else - s->regs[GT_PCI1_CMD] = 0x00010001; -#endif - s->regs[GT_PCI1_TOR] = 0x0000070f; - s->regs[GT_PCI1_BS_SCS10] = 0x00fff000; - s->regs[GT_PCI1_BS_SCS32] = 0x00fff000; - s->regs[GT_PCI1_BS_CS20] = 0x01fff000; - s->regs[GT_PCI1_BS_CS3BT] = 0x00fff000; - s->regs[GT_PCI1_BARE] = 0x0000000f; - s->regs[GT_PCI1_PREFMBR] = 0x00000040; - s->regs[GT_PCI1_SCS10_BAR] = 0x00000000; - s->regs[GT_PCI1_SCS32_BAR] = 0x01000000; - s->regs[GT_PCI1_CS20_BAR] = 0x1c000000; - s->regs[GT_PCI1_CS3BT_BAR] = 0x1f000000; - s->regs[GT_PCI1_SSCS10_BAR] = 0x00000000; - s->regs[GT_PCI1_SSCS32_BAR] = 0x01000000; - s->regs[GT_PCI1_SCS3BT_BAR] = 0x1f000000; - s->regs[GT_PCI1_CFGADDR] = 0x00000000; - s->regs[GT_PCI1_CFGDATA] = 0x00000000; - s->regs[GT_PCI0_CFGADDR] = 0x00000000; - - /* Interrupt registers are all zeroed at reset */ - - gt64120_isd_mapping(s); - gt64120_pci_mapping(s); -} - -PCIBus *gt64120_register(qemu_irq *pic) -{ - GT64120State *d; - PCIHostState *phb; - DeviceState *dev; - - dev = qdev_create(NULL, TYPE_GT64120_PCI_HOST_BRIDGE); - qdev_init_nofail(dev); - d = GT64120_PCI_HOST_BRIDGE(dev); - phb = PCI_HOST_BRIDGE(dev); - phb->bus = pci_register_bus(dev, "pci", - gt64120_pci_set_irq, gt64120_pci_map_irq, - pic, - get_system_memory(), - get_system_io(), - PCI_DEVFN(18, 0), 4, TYPE_PCI_BUS); - memory_region_init_io(&d->ISD_mem, &isd_mem_ops, d, "isd-mem", 0x1000); - - pci_create_simple(phb->bus, PCI_DEVFN(0, 0), "gt64120_pci"); - return phb->bus; -} - -static int gt64120_init(SysBusDevice *dev) -{ - GT64120State *s; - - s = GT64120_PCI_HOST_BRIDGE(dev); - - /* FIXME: This value is computed from registers during reset, but some - devices (e.g. VGA card) need to know it when they are registered. - This also mean that changing the register to change the mapping - does not fully work. */ - isa_mem_base = 0x10000000; - qemu_register_reset(gt64120_reset, s); - return 0; -} - -static int gt64120_pci_init(PCIDevice *d) -{ - /* FIXME: Malta specific hw assumptions ahead */ - pci_set_word(d->config + PCI_COMMAND, 0); - pci_set_word(d->config + PCI_STATUS, - PCI_STATUS_FAST_BACK | PCI_STATUS_DEVSEL_MEDIUM); - pci_config_set_prog_interface(d->config, 0); - pci_set_long(d->config + PCI_BASE_ADDRESS_0, 0x00000008); - pci_set_long(d->config + PCI_BASE_ADDRESS_1, 0x01000008); - pci_set_long(d->config + PCI_BASE_ADDRESS_2, 0x1c000000); - pci_set_long(d->config + PCI_BASE_ADDRESS_3, 0x1f000000); - pci_set_long(d->config + PCI_BASE_ADDRESS_4, 0x14000000); - pci_set_long(d->config + PCI_BASE_ADDRESS_5, 0x14000001); - pci_set_byte(d->config + 0x3d, 0x01); - - return 0; -} - -static void gt64120_pci_class_init(ObjectClass *klass, void *data) -{ - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->init = gt64120_pci_init; - k->vendor_id = PCI_VENDOR_ID_MARVELL; - k->device_id = PCI_DEVICE_ID_MARVELL_GT6412X; - k->revision = 0x10; - k->class_id = PCI_CLASS_BRIDGE_HOST; -} - -static const TypeInfo gt64120_pci_info = { - .name = "gt64120_pci", - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(PCIDevice), - .class_init = gt64120_pci_class_init, -}; - -static void gt64120_class_init(ObjectClass *klass, void *data) -{ - SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass); - - sdc->init = gt64120_init; -} - -static const TypeInfo gt64120_info = { - .name = TYPE_GT64120_PCI_HOST_BRIDGE, - .parent = TYPE_PCI_HOST_BRIDGE, - .instance_size = sizeof(GT64120State), - .class_init = gt64120_class_init, -}; - -static void gt64120_pci_register_types(void) -{ - type_register_static(>64120_info); - type_register_static(>64120_pci_info); -} - -type_init(gt64120_pci_register_types) |