diff options
Diffstat (limited to 'hw/char')
-rw-r--r-- | hw/char/omap_uart.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/hw/char/omap_uart.c b/hw/char/omap_uart.c index c2ef4c137e..d789c253b4 100644 --- a/hw/char/omap_uart.c +++ b/hw/char/omap_uart.c @@ -28,7 +28,6 @@ struct omap_uart_s { MemoryRegion iomem; hwaddr base; SerialMM *serial; /* TODO */ - struct omap_target_agent_s *ta; omap_clk fclk; qemu_irq irq; @@ -36,8 +35,6 @@ struct omap_uart_s { uint8_t syscontrol; uint8_t wkup; uint8_t cfps; - uint8_t mdr[2]; - uint8_t scr; uint8_t clksel; }; @@ -66,113 +63,3 @@ struct omap_uart_s *omap_uart_init(hwaddr base, DEVICE_NATIVE_ENDIAN); return s; } - -static uint64_t omap_uart_read(void *opaque, hwaddr addr, unsigned size) -{ - struct omap_uart_s *s = opaque; - - if (size == 4) { - return omap_badwidth_read8(opaque, addr); - } - - switch (addr) { - case 0x20: /* MDR1 */ - return s->mdr[0]; - case 0x24: /* MDR2 */ - return s->mdr[1]; - case 0x40: /* SCR */ - return s->scr; - case 0x44: /* SSR */ - return 0x0; - case 0x48: /* EBLR (OMAP2) */ - return s->eblr; - case 0x4C: /* OSC_12M_SEL (OMAP1) */ - return s->clksel; - case 0x50: /* MVR */ - return 0x30; - case 0x54: /* SYSC (OMAP2) */ - return s->syscontrol; - case 0x58: /* SYSS (OMAP2) */ - return 1; - case 0x5c: /* WER (OMAP2) */ - return s->wkup; - case 0x60: /* CFPS (OMAP2) */ - return s->cfps; - } - - OMAP_BAD_REG(addr); - return 0; -} - -static void omap_uart_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - struct omap_uart_s *s = opaque; - - if (size == 4) { - omap_badwidth_write8(opaque, addr, value); - return; - } - - switch (addr) { - case 0x20: /* MDR1 */ - s->mdr[0] = value & 0x7f; - break; - case 0x24: /* MDR2 */ - s->mdr[1] = value & 0xff; - break; - case 0x40: /* SCR */ - s->scr = value & 0xff; - break; - case 0x48: /* EBLR (OMAP2) */ - s->eblr = value & 0xff; - break; - case 0x4C: /* OSC_12M_SEL (OMAP1) */ - s->clksel = value & 1; - break; - case 0x44: /* SSR */ - case 0x50: /* MVR */ - case 0x58: /* SYSS (OMAP2) */ - OMAP_RO_REG(addr); - break; - case 0x54: /* SYSC (OMAP2) */ - s->syscontrol = value & 0x1d; - if (value & 2) { - omap_uart_reset(s); - } - break; - case 0x5c: /* WER (OMAP2) */ - s->wkup = value & 0x7f; - break; - case 0x60: /* CFPS (OMAP2) */ - s->cfps = value & 0xff; - break; - default: - OMAP_BAD_REG(addr); - } -} - -static const MemoryRegionOps omap_uart_ops = { - .read = omap_uart_read, - .write = omap_uart_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -struct omap_uart_s *omap2_uart_init(MemoryRegion *sysmem, - struct omap_target_agent_s *ta, - qemu_irq irq, omap_clk fclk, omap_clk iclk, - qemu_irq txdma, qemu_irq rxdma, - const char *label, Chardev *chr) -{ - hwaddr base = omap_l4_attach(ta, 0, NULL); - struct omap_uart_s *s = omap_uart_init(base, irq, - fclk, iclk, txdma, rxdma, label, chr); - - memory_region_init_io(&s->iomem, NULL, &omap_uart_ops, s, "omap.uart", 0x100); - - s->ta = ta; - - memory_region_add_subregion(sysmem, base + 0x20, &s->iomem); - - return s; -} |