diff options
Diffstat (limited to 'hw/omap_spi.c')
| -rw-r--r-- | hw/omap_spi.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/hw/omap_spi.c b/hw/omap_spi.c index c20f425776..4823bd0cdf 100644 --- a/hw/omap_spi.c +++ b/hw/omap_spi.c @@ -24,6 +24,7 @@ /* Multichannel SPI */ struct omap_mcspi_s { + MemoryRegion iomem; qemu_irq irq; int chnum; @@ -129,12 +130,17 @@ void omap_mcspi_reset(struct omap_mcspi_s *s) omap_mcspi_interrupt_update(s); } -static uint32_t omap_mcspi_read(void *opaque, target_phys_addr_t addr) +static uint64_t omap_mcspi_read(void *opaque, target_phys_addr_t addr, + unsigned size) { struct omap_mcspi_s *s = (struct omap_mcspi_s *) opaque; int ch = 0; uint32_t ret; + if (size != 4) { + return omap_badwidth_read32(opaque, addr); + } + switch (addr) { case 0x00: /* MCSPI_REVISION */ return 0x91; @@ -199,11 +205,15 @@ static uint32_t omap_mcspi_read(void *opaque, target_phys_addr_t addr) } static void omap_mcspi_write(void *opaque, target_phys_addr_t addr, - uint32_t value) + uint64_t value, unsigned size) { struct omap_mcspi_s *s = (struct omap_mcspi_s *) opaque; int ch = 0; + if (size != 4) { + return omap_badwidth_write32(opaque, addr, value); + } + switch (addr) { case 0x00: /* MCSPI_REVISION */ case 0x14: /* MCSPI_SYSSTATUS */ @@ -267,7 +277,7 @@ static void omap_mcspi_write(void *opaque, target_phys_addr_t addr, if (((value >> 12) & 3) == 3) /* TRM */ fprintf(stderr, "%s: invalid TRM value (3)\n", __FUNCTION__); if (((value >> 7) & 0x1f) < 3) /* WL */ - fprintf(stderr, "%s: invalid WL value (%i)\n", + fprintf(stderr, "%s: invalid WL value (%" PRIx64 ")\n", __FUNCTION__, (value >> 7) & 0x1f); s->ch[ch].config = value & 0x7fffff; break; @@ -298,22 +308,15 @@ static void omap_mcspi_write(void *opaque, target_phys_addr_t addr, } } -static CPUReadMemoryFunc * const omap_mcspi_readfn[] = { - omap_badwidth_read32, - omap_badwidth_read32, - omap_mcspi_read, -}; - -static CPUWriteMemoryFunc * const omap_mcspi_writefn[] = { - omap_badwidth_write32, - omap_badwidth_write32, - omap_mcspi_write, +static const MemoryRegionOps omap_mcspi_ops = { + .read = omap_mcspi_read, + .write = omap_mcspi_write, + .endianness = DEVICE_NATIVE_ENDIAN, }; struct omap_mcspi_s *omap_mcspi_init(struct omap_target_agent_s *ta, int chnum, qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk) { - int iomemtype; struct omap_mcspi_s *s = (struct omap_mcspi_s *) g_malloc0(sizeof(struct omap_mcspi_s)); struct omap_mcspi_ch_s *ch = s->ch; @@ -327,9 +330,9 @@ struct omap_mcspi_s *omap_mcspi_init(struct omap_target_agent_s *ta, int chnum, } omap_mcspi_reset(s); - iomemtype = cpu_register_io_memory(omap_mcspi_readfn, - omap_mcspi_writefn, s, DEVICE_NATIVE_ENDIAN); - omap_l4_attach(ta, 0, iomemtype); + memory_region_init_io(&s->iomem, &omap_mcspi_ops, s, "omap.mcspi", + omap_l4_region_size(ta, 0)); + omap_l4_attach_region(ta, 0, &s->iomem); return s; } |