diff options
Diffstat (limited to 'hw/pci-host/bonito.c')
| -rw-r--r-- | hw/pci-host/bonito.c | 60 |
1 files changed, 33 insertions, 27 deletions
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c index ceee463a11..4692d419e5 100644 --- a/hw/pci-host/bonito.c +++ b/hw/pci-host/bonito.c @@ -14,7 +14,8 @@ * fulong 2e mini pc has a bonito north bridge. */ -/* what is the meaning of devfn in qemu and IDSEL in bonito northbridge? +/* + * what is the meaning of devfn in qemu and IDSEL in bonito northbridge? * * devfn pci_slot<<3 + funno * one pci bus can have 32 devices and each device can have 8 functions. @@ -49,7 +50,7 @@ #include "sysemu/runstate.h" #include "exec/address-spaces.h" -//#define DEBUG_BONITO +/* #define DEBUG_BONITO */ #ifdef DEBUG_BONITO #define DPRINTF(fmt, ...) fprintf(stderr, "%s: " fmt, __func__, ##__VA_ARGS__) @@ -60,45 +61,45 @@ /* from linux soure code. include/asm-mips/mips-boards/bonito64.h*/ #define BONITO_BOOT_BASE 0x1fc00000 #define BONITO_BOOT_SIZE 0x00100000 -#define BONITO_BOOT_TOP (BONITO_BOOT_BASE+BONITO_BOOT_SIZE-1) +#define BONITO_BOOT_TOP (BONITO_BOOT_BASE + BONITO_BOOT_SIZE - 1) #define BONITO_FLASH_BASE 0x1c000000 #define BONITO_FLASH_SIZE 0x03000000 -#define BONITO_FLASH_TOP (BONITO_FLASH_BASE+BONITO_FLASH_SIZE-1) +#define BONITO_FLASH_TOP (BONITO_FLASH_BASE + BONITO_FLASH_SIZE - 1) #define BONITO_SOCKET_BASE 0x1f800000 #define BONITO_SOCKET_SIZE 0x00400000 -#define BONITO_SOCKET_TOP (BONITO_SOCKET_BASE+BONITO_SOCKET_SIZE-1) +#define BONITO_SOCKET_TOP (BONITO_SOCKET_BASE + BONITO_SOCKET_SIZE - 1) #define BONITO_REG_BASE 0x1fe00000 #define BONITO_REG_SIZE 0x00040000 -#define BONITO_REG_TOP (BONITO_REG_BASE+BONITO_REG_SIZE-1) +#define BONITO_REG_TOP (BONITO_REG_BASE + BONITO_REG_SIZE - 1) #define BONITO_DEV_BASE 0x1ff00000 #define BONITO_DEV_SIZE 0x00100000 -#define BONITO_DEV_TOP (BONITO_DEV_BASE+BONITO_DEV_SIZE-1) +#define BONITO_DEV_TOP (BONITO_DEV_BASE + BONITO_DEV_SIZE - 1) #define BONITO_PCILO_BASE 0x10000000 #define BONITO_PCILO_BASE_VA 0xb0000000 #define BONITO_PCILO_SIZE 0x0c000000 -#define BONITO_PCILO_TOP (BONITO_PCILO_BASE+BONITO_PCILO_SIZE-1) +#define BONITO_PCILO_TOP (BONITO_PCILO_BASE + BONITO_PCILO_SIZE - 1) #define BONITO_PCILO0_BASE 0x10000000 #define BONITO_PCILO1_BASE 0x14000000 #define BONITO_PCILO2_BASE 0x18000000 #define BONITO_PCIHI_BASE 0x20000000 #define BONITO_PCIHI_SIZE 0x20000000 -#define BONITO_PCIHI_TOP (BONITO_PCIHI_BASE+BONITO_PCIHI_SIZE-1) +#define BONITO_PCIHI_TOP (BONITO_PCIHI_BASE + BONITO_PCIHI_SIZE - 1) #define BONITO_PCIIO_BASE 0x1fd00000 #define BONITO_PCIIO_BASE_VA 0xbfd00000 #define BONITO_PCIIO_SIZE 0x00010000 -#define BONITO_PCIIO_TOP (BONITO_PCIIO_BASE+BONITO_PCIIO_SIZE-1) +#define BONITO_PCIIO_TOP (BONITO_PCIIO_BASE + BONITO_PCIIO_SIZE - 1) #define BONITO_PCICFG_BASE 0x1fe80000 #define BONITO_PCICFG_SIZE 0x00080000 -#define BONITO_PCICFG_TOP (BONITO_PCICFG_BASE+BONITO_PCICFG_SIZE-1) +#define BONITO_PCICFG_TOP (BONITO_PCICFG_BASE + BONITO_PCICFG_SIZE - 1) #define BONITO_PCICONFIGBASE 0x00 #define BONITO_REGBASE 0x100 -#define BONITO_PCICONFIG_BASE (BONITO_PCICONFIGBASE+BONITO_REG_BASE) +#define BONITO_PCICONFIG_BASE (BONITO_PCICONFIGBASE + BONITO_REG_BASE) #define BONITO_PCICONFIG_SIZE (0x100) -#define BONITO_INTERNAL_REG_BASE (BONITO_REGBASE+BONITO_REG_BASE) +#define BONITO_INTERNAL_REG_BASE (BONITO_REGBASE + BONITO_REG_BASE) #define BONITO_INTERNAL_REG_SIZE (0x70) #define BONITO_SPCICONFIG_BASE (BONITO_PCICFG_BASE) @@ -111,7 +112,7 @@ #define BONITO_BONPONCFG (0x00 >> 2) /* 0x100 */ #define BONITO_BONGENCFG_OFFSET 0x4 -#define BONITO_BONGENCFG (BONITO_BONGENCFG_OFFSET>>2) /*0x104 */ +#define BONITO_BONGENCFG (BONITO_BONGENCFG_OFFSET >> 2) /*0x104 */ /* 2. IO & IDE configuration */ #define BONITO_IODEVCFG (0x08 >> 2) /* 0x108 */ @@ -177,15 +178,15 @@ /* idsel BIT = pci slot number +12 */ #define PCI_SLOT_BASE 12 #define PCI_IDSEL_VIA686B_BIT (17) -#define PCI_IDSEL_VIA686B (1<<PCI_IDSEL_VIA686B_BIT) +#define PCI_IDSEL_VIA686B (1 << PCI_IDSEL_VIA686B_BIT) -#define PCI_ADDR(busno,devno,funno,regno) \ - ((((busno)<<16)&0xff0000) + (((devno)<<11)&0xf800) + (((funno)<<8)&0x700) + (regno)) +#define PCI_ADDR(busno , devno , funno , regno) \ + ((((busno) << 16) & 0xff0000) + (((devno) << 11) & 0xf800) + \ + (((funno) << 8) & 0x700) + (regno)) typedef struct BonitoState BonitoState; -typedef struct PCIBonitoState -{ +typedef struct PCIBonitoState { PCIDevice dev; BonitoState *pcihost; @@ -239,7 +240,8 @@ static void bonito_writel(void *opaque, hwaddr addr, saddr = addr >> 2; - DPRINTF("bonito_writel "TARGET_FMT_plx" val %x saddr %x\n", addr, val, saddr); + DPRINTF("bonito_writel "TARGET_FMT_plx" val %x saddr %x\n", + addr, val, saddr); switch (saddr) { case BONITO_BONPONCFG: case BONITO_IODEVCFG: @@ -363,7 +365,7 @@ static uint64_t bonito_ldma_readl(void *opaque, hwaddr addr, return 0; } - val = ((uint32_t *)(&s->bonldma))[addr/sizeof(uint32_t)]; + val = ((uint32_t *)(&s->bonldma))[addr / sizeof(uint32_t)]; return val; } @@ -377,7 +379,7 @@ static void bonito_ldma_writel(void *opaque, hwaddr addr, return; } - ((uint32_t *)(&s->bonldma))[addr/sizeof(uint32_t)] = val & 0xffffffff; + ((uint32_t *)(&s->bonldma))[addr / sizeof(uint32_t)] = val & 0xffffffff; } static const MemoryRegionOps bonito_ldma_ops = { @@ -400,7 +402,7 @@ static uint64_t bonito_cop_readl(void *opaque, hwaddr addr, return 0; } - val = ((uint32_t *)(&s->boncop))[addr/sizeof(uint32_t)]; + val = ((uint32_t *)(&s->boncop))[addr / sizeof(uint32_t)]; return val; } @@ -414,7 +416,7 @@ static void bonito_cop_writel(void *opaque, hwaddr addr, return; } - ((uint32_t *)(&s->boncop))[addr/sizeof(uint32_t)] = val & 0xffffffff; + ((uint32_t *)(&s->boncop))[addr / sizeof(uint32_t)] = val & 0xffffffff; } static const MemoryRegionOps bonito_cop_ops = { @@ -446,7 +448,8 @@ static uint32_t bonito_sbridge_pciaddr(void *opaque, hwaddr addr) cfgaddr = addr & 0xffff; cfgaddr |= (s->regs[BONITO_PCIMAP_CFG] & 0xffff) << 16; - idsel = (cfgaddr & BONITO_PCICONF_IDSEL_MASK) >> BONITO_PCICONF_IDSEL_OFFSET; + idsel = (cfgaddr & BONITO_PCICONF_IDSEL_MASK) >> + BONITO_PCICONF_IDSEL_OFFSET; devno = ctz32(idsel); funno = (cfgaddr & BONITO_PCICONF_FUN_MASK) >> BONITO_PCICONF_FUN_OFFSET; regno = (cfgaddr & BONITO_PCICONF_REG_MASK) >> BONITO_PCICONF_REG_OFFSET; @@ -550,7 +553,7 @@ static void pci_bonito_set_irq(void *opaque, int irq_num, int level) } /* map the original irq (0~3) to bonito irq (16~47, but 16~31 are unused) */ -static int pci_bonito_map_irq(PCIDevice * pci_dev, int irq_num) +static int pci_bonito_map_irq(PCIDevice *pci_dev, int irq_num) { int slot; @@ -618,7 +621,10 @@ static void bonito_realize(PCIDevice *dev, Error **errp) SysBusDevice *sysbus = SYS_BUS_DEVICE(s->pcihost); PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); - /* Bonito North Bridge, built on FPGA, VENDOR_ID/DEVICE_ID are "undefined" */ + /* + * Bonito North Bridge, built on FPGA, + * VENDOR_ID/DEVICE_ID are "undefined" + */ pci_config_set_prog_interface(dev->config, 0x00); /* set the north bridge register mapping */ |