diff options
author | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-11 05:27:15 -0300 |
---|---|---|
committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-11 05:27:15 -0300 |
commit | 4d9367b76f71c6d938cf8201392abe4bfb1136cb (patch) | |
tree | 93a31afc3151c19e4906aed6748e842d8431fb02 /hw/spapr_vio.c | |
parent | 6b414d9fb86527118f3ddb81a1d1a684b3548a9d (diff) | |
parent | 8e65440d5f64435c003d32088757f702b86af9b4 (diff) |
* upstream-merge: (575 commits)
ssi: Add slave autoconnect helper
MAINTAINERS: Added maintainerships for SSI
xilinx_zynq: Added SPI controllers + flashes
xilinx_spips: Xilinx Zynq SPI cntrlr device model
petalogix-ml605: added SPI controller with n25q128
xilinx_spi: Initial impl. of Xilinx SPI controller
m25p80: Initial implementation of SPI flash device
hw: Added generic FIFO API.
stellaris: Removed SSI mux
qdev: allow multiple qdev_init_gpio_in() calls
ssi: Added create_slave_no_init()
ssi: Implemented CS behaviour
ssi: Support for multiple attached devices
qemu-barrier: Fix compilation on i386 hosts
target-sparc: Optimize conditionals using SUBCC
target-sparc: Fall through from not-taken trap
target-sparc: Cleanup "global" temporary allocation
target-sparc: Use movcond for FMOV*R
target-sparc: Use movcond in mulscc
target-sparc: Move taddcctv and tsubcctv out of line
...
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'hw/spapr_vio.c')
-rw-r--r-- | hw/spapr_vio.c | 37 |
1 files changed, 15 insertions, 22 deletions
diff --git a/hw/spapr_vio.c b/hw/spapr_vio.c index 7ca445216..848806d3f 100644 --- a/hw/spapr_vio.c +++ b/hw/spapr_vio.c @@ -316,17 +316,10 @@ int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq) static void spapr_vio_quiesce_one(VIOsPAPRDevice *dev) { - VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev); - uint32_t liobn = SPAPR_VIO_BASE_LIOBN | dev->reg; - if (dev->dma) { - spapr_tce_free(dev->dma); + spapr_tce_reset(dev->dma); } - dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size); - - dev->crq.qladdr = 0; - dev->crq.qsize = 0; - dev->crq.qnext = 0; + free_crq(dev); } static void rtas_set_tce_bypass(sPAPREnvironment *spapr, uint32_t token, @@ -348,16 +341,14 @@ static void rtas_set_tce_bypass(sPAPREnvironment *spapr, uint32_t token, rtas_st(rets, 0, -3); return; } - if (enable) { - spapr_tce_free(dev->dma); - dev->dma = NULL; - } else { - VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev); - uint32_t liobn = SPAPR_VIO_BASE_LIOBN | dev->reg; - dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size); + if (!dev->dma) { + rtas_st(rets, 0, -3); + return; } + spapr_tce_set_bypass(dev->dma, !!enable); + rtas_st(rets, 0, 0); } @@ -409,9 +400,10 @@ static void spapr_vio_busdev_reset(DeviceState *qdev) VIOsPAPRDevice *dev = DO_UPCAST(VIOsPAPRDevice, qdev, qdev); VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev); - if (dev->crq.qsize) { - free_crq(dev); - } + /* Shut down the request queue and TCEs if necessary */ + spapr_vio_quiesce_one(dev); + + dev->signal_state = 0; if (pc->reset) { pc->reset(dev); @@ -422,7 +414,6 @@ static int spapr_vio_busdev_init(DeviceState *qdev) { VIOsPAPRDevice *dev = (VIOsPAPRDevice *)qdev; VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev); - uint32_t liobn; char *id; if (dev->reg != -1) { @@ -464,8 +455,10 @@ static int spapr_vio_busdev_init(DeviceState *qdev) return -1; } - liobn = SPAPR_VIO_BASE_LIOBN | dev->reg; - dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size); + if (pc->rtce_window_size) { + uint32_t liobn = SPAPR_VIO_BASE_LIOBN | dev->reg; + dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size); + } return pc->init(dev); } |