From 1e5459a3fa01824c18272fb840f43e3c138dee76 Mon Sep 17 00:00:00 2001 From: balrog Date: Sun, 7 Dec 2008 19:08:45 +0000 Subject: SH: On-chip PCI controller support (Takashi YOSHII). This patch adds SuperH on-chip PCI controller(PCIC) support. Signed-off-by: Takashi YOSHII Signed-off-by: Andrzej Zaborowski git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5927 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/sh_pci.c | 207 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 207 insertions(+) create mode 100644 hw/sh_pci.c (limited to 'hw/sh_pci.c') diff --git a/hw/sh_pci.c b/hw/sh_pci.c new file mode 100644 index 0000000000..e849634bd5 --- /dev/null +++ b/hw/sh_pci.c @@ -0,0 +1,207 @@ +/* + * SuperH on-chip PCIC emulation. + * + * Copyright (c) 2008 Takashi YOSHII + * + * 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.h" +#include "sh.h" +#include "pci.h" +#include "bswap.h" + +typedef struct { + PCIBus *bus; + PCIDevice *dev; + uint32_t regbase; + uint32_t iopbase; + uint32_t membase; + uint32_t par; + uint32_t mbr; + uint32_t iobr; +} SHPCIC; + +static void sh_pci_reg_write (void *p, target_phys_addr_t addr, uint32_t val) +{ + SHPCIC *pcic = p; + addr -= pcic->regbase; + switch(addr) { + case 0 ... 0xfc: + cpu_to_le32w((uint32_t*)(pcic->dev->config + addr), val); + break; + case 0x1c0: + pcic->par = val; + break; + case 0x1c4: + pcic->mbr = val; + break; + case 0x1c8: + pcic->iobr = val; + break; + case 0x220: + pci_data_write(pcic->bus, pcic->par, val, 4); + break; + } +} + +static uint32_t sh_pci_reg_read (void *p, target_phys_addr_t addr) +{ + SHPCIC *pcic = p; + addr -= pcic->regbase; + switch(addr) { + case 0 ... 0xfc: + return le32_to_cpup((uint32_t*)(pcic->dev->config + addr)); + case 0x1c0: + return pcic->par; + case 0x220: + return pci_data_read(pcic->bus, pcic->par, 4); + } + return 0; +} + +static void sh_pci_data_write (SHPCIC *pcic, target_phys_addr_t addr, + uint32_t val, int size) +{ + pci_data_write(pcic->bus, addr - pcic->membase + pcic->mbr, val, size); +} + +static uint32_t sh_pci_mem_read (SHPCIC *pcic, target_phys_addr_t addr, + int size) +{ + return pci_data_read(pcic->bus, addr - pcic->membase + pcic->mbr, size); +} + +static void sh_pci_writeb (void *p, target_phys_addr_t addr, uint32_t val) +{ + sh_pci_data_write(p, addr, val, 1); +} + +static void sh_pci_writew (void *p, target_phys_addr_t addr, uint32_t val) +{ + sh_pci_data_write(p, addr, val, 2); +} + +static void sh_pci_writel (void *p, target_phys_addr_t addr, uint32_t val) +{ + sh_pci_data_write(p, addr, val, 4); +} + +static uint32_t sh_pci_readb (void *p, target_phys_addr_t addr) +{ + return sh_pci_mem_read(p, addr, 1); +} + +static uint32_t sh_pci_readw (void *p, target_phys_addr_t addr) +{ + return sh_pci_mem_read(p, addr, 2); +} + +static uint32_t sh_pci_readl (void *p, target_phys_addr_t addr) +{ + return sh_pci_mem_read(p, addr, 4); +} + +static int sh_pci_addr2port(SHPCIC *pcic, target_phys_addr_t addr) +{ + return addr - pcic->iopbase + pcic->iobr; +} + +static void sh_pci_outb (void *p, target_phys_addr_t addr, uint32_t val) +{ + cpu_outb(NULL, sh_pci_addr2port(p, addr), val); +} + +static void sh_pci_outw (void *p, target_phys_addr_t addr, uint32_t val) +{ + cpu_outw(NULL, sh_pci_addr2port(p, addr), val); +} + +static void sh_pci_outl (void *p, target_phys_addr_t addr, uint32_t val) +{ + cpu_outl(NULL, sh_pci_addr2port(p, addr), val); +} + +static uint32_t sh_pci_inb (void *p, target_phys_addr_t addr) +{ + return cpu_inb(NULL, sh_pci_addr2port(p, addr)); +} + +static uint32_t sh_pci_inw (void *p, target_phys_addr_t addr) +{ + return cpu_inw(NULL, sh_pci_addr2port(p, addr)); +} + +static uint32_t sh_pci_inl (void *p, target_phys_addr_t addr) +{ + return cpu_inl(NULL, sh_pci_addr2port(p, addr)); +} + +typedef struct { + CPUReadMemoryFunc *r[3]; + CPUWriteMemoryFunc *w[3]; +} MemOp; + +static MemOp sh_pci_reg = { + { NULL, NULL, sh_pci_reg_read }, + { NULL, NULL, sh_pci_reg_write }, +}; + +static MemOp sh_pci_mem = { + { sh_pci_readb, sh_pci_readw, sh_pci_readl }, + { sh_pci_writeb, sh_pci_writew, sh_pci_writel }, +}; + +static MemOp sh_pci_iop = { + { sh_pci_inb, sh_pci_inw, sh_pci_inl }, + { sh_pci_outb, sh_pci_outw, sh_pci_outl }, +}; + +PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, + qemu_irq *pic, int devfn_min, int nirq) +{ + SHPCIC *p; + int mem, reg, iop; + + p = qemu_mallocz(sizeof(SHPCIC)); + p->bus = pci_register_bus(set_irq, map_irq, pic, devfn_min, nirq); + + p->dev = pci_register_device(p->bus, "SH PCIC", sizeof(PCIDevice), + -1, NULL, NULL); + p->regbase = 0x1e200000; + p->iopbase = 0x1e240000; + p->membase = 0xfd000000; + reg = cpu_register_io_memory(0, sh_pci_reg.r, sh_pci_reg.w, p); + mem = cpu_register_io_memory(0, sh_pci_mem.r, sh_pci_mem.w, p); + iop = cpu_register_io_memory(0, sh_pci_iop.r, sh_pci_iop.w, p); + cpu_register_physical_memory(p->regbase, 0x224, reg); + cpu_register_physical_memory(p->iopbase, 0x40000, iop); + cpu_register_physical_memory(p->membase, 0x1000000, mem); + + p->dev->config[0x00] = 0x54; // HITACHI + p->dev->config[0x01] = 0x10; // + p->dev->config[0x02] = 0x0e; // SH7751R + p->dev->config[0x03] = 0x35; // + p->dev->config[0x04] = 0x80; + p->dev->config[0x05] = 0x00; + p->dev->config[0x06] = 0x90; + p->dev->config[0x07] = 0x02; + + return p->bus; +} + -- cgit v1.2.3