/* * Intel XScale PXA255/270 PC Card and CompactFlash Interface. * * Copyright (c) 2006 Openedhand Ltd. * Written by Andrzej Zaborowski <balrog@zabor.org> * * This code is licensed under the GPLv2. */ #include "hw.h" #include "pcmcia.h" #include "pxa.h" struct PXA2xxPCMCIAState { PCMCIASocket slot; PCMCIACardState *card; qemu_irq irq; qemu_irq cd_irq; }; static uint32_t pxa2xx_pcmcia_common_read(void *opaque, target_phys_addr_t offset) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (s->slot.attached) { return s->card->common_read(s->card->state, offset); } return 0; } static void pxa2xx_pcmcia_common_write(void *opaque, target_phys_addr_t offset, uint32_t value) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (s->slot.attached) { s->card->common_write(s->card->state, offset, value); } } static uint32_t pxa2xx_pcmcia_attr_read(void *opaque, target_phys_addr_t offset) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (s->slot.attached) { return s->card->attr_read(s->card->state, offset); } return 0; } static void pxa2xx_pcmcia_attr_write(void *opaque, target_phys_addr_t offset, uint32_t value) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (s->slot.attached) { s->card->attr_write(s->card->state, offset, value); } } static uint32_t pxa2xx_pcmcia_io_read(void *opaque, target_phys_addr_t offset) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (s->slot.attached) { return s->card->io_read(s->card->state, offset); } return 0; } static void pxa2xx_pcmcia_io_write(void *opaque, target_phys_addr_t offset, uint32_t value) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (s->slot.attached) { s->card->io_write(s->card->state, offset, value); } } static CPUReadMemoryFunc * const pxa2xx_pcmcia_common_readfn[] = { pxa2xx_pcmcia_common_read, pxa2xx_pcmcia_common_read, pxa2xx_pcmcia_common_read, }; static CPUWriteMemoryFunc * const pxa2xx_pcmcia_common_writefn[] = { pxa2xx_pcmcia_common_write, pxa2xx_pcmcia_common_write, pxa2xx_pcmcia_common_write, }; static CPUReadMemoryFunc * const pxa2xx_pcmcia_attr_readfn[] = { pxa2xx_pcmcia_attr_read, pxa2xx_pcmcia_attr_read, pxa2xx_pcmcia_attr_read, }; static CPUWriteMemoryFunc * const pxa2xx_pcmcia_attr_writefn[] = { pxa2xx_pcmcia_attr_write, pxa2xx_pcmcia_attr_write, pxa2xx_pcmcia_attr_write, }; static CPUReadMemoryFunc * const pxa2xx_pcmcia_io_readfn[] = { pxa2xx_pcmcia_io_read, pxa2xx_pcmcia_io_read, pxa2xx_pcmcia_io_read, }; static CPUWriteMemoryFunc * const pxa2xx_pcmcia_io_writefn[] = { pxa2xx_pcmcia_io_write, pxa2xx_pcmcia_io_write, pxa2xx_pcmcia_io_write, }; static void pxa2xx_pcmcia_set_irq(void *opaque, int line, int level) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (!s->irq) return; qemu_set_irq(s->irq, level); } PXA2xxPCMCIAState *pxa2xx_pcmcia_init(target_phys_addr_t base) { int iomemtype; PXA2xxPCMCIAState *s; s = (PXA2xxPCMCIAState *) qemu_mallocz(sizeof(PXA2xxPCMCIAState)); /* Socket I/O Memory Space */ iomemtype = cpu_register_io_memory(pxa2xx_pcmcia_io_readfn, pxa2xx_pcmcia_io_writefn, s); cpu_register_physical_memory(base | 0x00000000, 0x04000000, iomemtype); /* Then next 64 MB is reserved */ /* Socket Attribute Memory Space */ iomemtype = cpu_register_io_memory(pxa2xx_pcmcia_attr_readfn, pxa2xx_pcmcia_attr_writefn, s); cpu_register_physical_memory(base | 0x08000000, 0x04000000, iomemtype); /* Socket Common Memory Space */ iomemtype = cpu_register_io_memory(pxa2xx_pcmcia_common_readfn, pxa2xx_pcmcia_common_writefn, s); cpu_register_physical_memory(base | 0x0c000000, 0x04000000, iomemtype); if (base == 0x30000000) s->slot.slot_string = "PXA PC Card Socket 1"; else s->slot.slot_string = "PXA PC Card Socket 0"; s->slot.irq = qemu_allocate_irqs(pxa2xx_pcmcia_set_irq, s, 1)[0]; pcmcia_socket_register(&s->slot); return s; } /* Insert a new card into a slot */ int pxa2xx_pcmcia_attach(void *opaque, PCMCIACardState *card) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (s->slot.attached) return -EEXIST; if (s->cd_irq) { qemu_irq_raise(s->cd_irq); } s->card = card; s->slot.attached = 1; s->card->slot = &s->slot; s->card->attach(s->card->state); return 0; } /* Eject card from the slot */ int pxa2xx_pcmcia_dettach(void *opaque) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (!s->slot.attached) return -ENOENT; s->card->detach(s->card->state); s->card->slot = NULL; s->card = NULL; s->slot.attached = 0; if (s->irq) qemu_irq_lower(s->irq); if (s->cd_irq) qemu_irq_lower(s->cd_irq); return 0; } /* Who to notify on card events */ void pxa2xx_pcmcia_set_irq_cb(void *opaque, qemu_irq irq, qemu_irq cd_irq) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; s->irq = irq; s->cd_irq = cd_irq; }