diff options
Diffstat (limited to 'hw/sd/pxa2xx_mmci.c')
| -rw-r--r-- | hw/sd/pxa2xx_mmci.c | 78 |
1 files changed, 50 insertions, 28 deletions
diff --git a/hw/sd/pxa2xx_mmci.c b/hw/sd/pxa2xx_mmci.c index 3deccf02c9..82f8ec0d50 100644 --- a/hw/sd/pxa2xx_mmci.c +++ b/hw/sd/pxa2xx_mmci.c @@ -19,6 +19,8 @@ #include "hw/qdev.h" #include "hw/qdev-properties.h" #include "qemu/error-report.h" +#include "qemu/log.h" +#include "trace.h" #define TYPE_PXA2XX_MMCI "pxa2xx-mmci" #define PXA2XX_MMCI(obj) OBJECT_CHECK(PXA2xxMMCIState, (obj), TYPE_PXA2XX_MMCI) @@ -278,45 +280,56 @@ static void pxa2xx_mmci_wakequeues(PXA2xxMMCIState *s) static uint64_t pxa2xx_mmci_read(void *opaque, hwaddr offset, unsigned size) { PXA2xxMMCIState *s = (PXA2xxMMCIState *) opaque; - uint32_t ret; + uint32_t ret = 0; switch (offset) { case MMC_STRPCL: - return 0; + break; case MMC_STAT: - return s->status; + ret = s->status; + break; case MMC_CLKRT: - return s->clkrt; + ret = s->clkrt; + break; case MMC_SPI: - return s->spi; + ret = s->spi; + break; case MMC_CMDAT: - return s->cmdat; + ret = s->cmdat; + break; case MMC_RESTO: - return s->resp_tout; + ret = s->resp_tout; + break; case MMC_RDTO: - return s->read_tout; + ret = s->read_tout; + break; case MMC_BLKLEN: - return s->blklen; + ret = s->blklen; + break; case MMC_NUMBLK: - return s->numblk; + ret = s->numblk; + break; case MMC_PRTBUF: - return 0; + break; case MMC_I_MASK: - return s->intmask; + ret = s->intmask; + break; case MMC_I_REG: - return s->intreq; + ret = s->intreq; + break; case MMC_CMD: - return s->cmd | 0x40; + ret = s->cmd | 0x40; + break; case MMC_ARGH: - return s->arg >> 16; + ret = s->arg >> 16; + break; case MMC_ARGL: - return s->arg & 0xffff; + ret = s->arg & 0xffff; + break; case MMC_RES: - if (s->resp_len < 9) - return s->resp_fifo[s->resp_len ++]; - return 0; + ret = (s->resp_len < 9) ? s->resp_fifo[s->resp_len++] : 0; + break; case MMC_RXFIFO: - ret = 0; while (size-- && s->rx_len) { ret |= s->rx_fifo[s->rx_start++] << (size << 3); s->rx_start &= 0x1f; @@ -324,16 +337,20 @@ static uint64_t pxa2xx_mmci_read(void *opaque, hwaddr offset, unsigned size) } s->intreq &= ~INT_RXFIFO_REQ; pxa2xx_mmci_fifo_update(s); - return ret; + break; case MMC_RDWAIT: - return 0; + break; case MMC_BLKS_REM: - return s->numblk; + ret = s->numblk; + break; default: - hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: incorrect register 0x%02" HWADDR_PRIx "\n", + __func__, offset); } + trace_pxa2xx_mmci_read(size, offset, ret); - return 0; + return ret; } static void pxa2xx_mmci_write(void *opaque, @@ -341,6 +358,7 @@ static void pxa2xx_mmci_write(void *opaque, { PXA2xxMMCIState *s = (PXA2xxMMCIState *) opaque; + trace_pxa2xx_mmci_write(size, offset, value); switch (offset) { case MMC_STRPCL: if (value & STRPCL_STRT_CLK) { @@ -368,8 +386,10 @@ static void pxa2xx_mmci_write(void *opaque, case MMC_SPI: s->spi = value & 0xf; - if (value & SPI_SPI_MODE) - printf("%s: attempted to use card in SPI mode\n", __FUNCTION__); + if (value & SPI_SPI_MODE) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: attempted to use card in SPI mode\n", __func__); + } break; case MMC_CMDAT: @@ -442,7 +462,9 @@ static void pxa2xx_mmci_write(void *opaque, break; default: - hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: incorrect reg 0x%02" HWADDR_PRIx " " + "(value 0x%08" PRIx64 ")\n", __func__, offset, value); } } |