diff options
author | Peter Crosthwaite <peter.crosthwaite@xilinx.com> | 2014-05-19 23:31:33 -0700 |
---|---|---|
committer | Andreas Färber <afaerber@suse.de> | 2014-05-28 17:36:21 +0200 |
commit | de77914e50477ca4cef1e9cdd7a05b8d0c0ff1d9 (patch) | |
tree | 258a8cd908ee70b4371f8e2102230fff20a49e60 /hw | |
parent | a5f54290ceb31281158413d4cda1ca80908a56cc (diff) |
ssi: Name the CS GPIO
To get it out of the default GPIO list. This allows child devices to
use the un-named GPIO namespace without having to be SSI aware. That
is, there is no more need for machines to know about the obscure
policy where GPIO 0 is the SSI chip-select and GPIO 1..N are the
concrete class GPIOs (defined locally as 0..N-1).
This is most notable in stellaris, which uses a device which has both
SSI and concrete level GPIOs.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/arm/stellaris.c | 7 | ||||
-rw-r--r-- | hw/arm/xilinx_zynq.c | 2 | ||||
-rw-r--r-- | hw/microblaze/petalogix_ml605_mmu.c | 2 | ||||
-rw-r--r-- | hw/ssi/ssi.c | 4 |
4 files changed, 8 insertions, 7 deletions
diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c index 3b7a27a891..80028e80cf 100644 --- a/hw/arm/stellaris.c +++ b/hw/arm/stellaris.c @@ -1290,9 +1290,10 @@ static void stellaris_init(const char *kernel_filename, const char *cpu_model, sddev = ssi_create_slave(bus, "ssi-sd"); ssddev = ssi_create_slave(bus, "ssd0323"); - gpio_out[GPIO_D][0] = qemu_irq_split(qdev_get_gpio_in(sddev, 0), - qdev_get_gpio_in(ssddev, 0)); - gpio_out[GPIO_C][7] = qdev_get_gpio_in(ssddev, 1); + gpio_out[GPIO_D][0] = qemu_irq_split( + qdev_get_gpio_in_named(sddev, SSI_GPIO_CS, 0), + qdev_get_gpio_in_named(ssddev, SSI_GPIO_CS, 0)); + gpio_out[GPIO_C][7] = qdev_get_gpio_in(ssddev, 0); /* Make sure the select pin is high. */ qemu_irq_raise(gpio_out[GPIO_D][0]); diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c index bae0416478..ba5aa82cd5 100644 --- a/hw/arm/xilinx_zynq.c +++ b/hw/arm/xilinx_zynq.c @@ -94,7 +94,7 @@ static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq, for (j = 0; j < num_ss; ++j) { flash_dev = ssi_create_slave(spi, "n25q128"); - cs_line = qdev_get_gpio_in(flash_dev, 0); + cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0); sysbus_connect_irq(busdev, i * num_ss + j + 1, cs_line); } } diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c index 496330c1b1..aea9c5b49f 100644 --- a/hw/microblaze/petalogix_ml605_mmu.c +++ b/hw/microblaze/petalogix_ml605_mmu.c @@ -196,7 +196,7 @@ petalogix_ml605_init(MachineState *machine) qemu_irq cs_line; dev = ssi_create_slave(spi, "n25q128"); - cs_line = qdev_get_gpio_in(dev, 0); + cs_line = qdev_get_gpio_in_named(dev, SSI_GPIO_CS, 0); sysbus_connect_irq(busdev, i+1, cs_line); } } diff --git a/hw/ssi/ssi.c b/hw/ssi/ssi.c index 1c82a93590..2aab79ba7f 100644 --- a/hw/ssi/ssi.c +++ b/hw/ssi/ssi.c @@ -60,7 +60,7 @@ static int ssi_slave_init(DeviceState *dev) if (ssc->transfer_raw == ssi_transfer_raw_default && ssc->cs_polarity != SSI_CS_NONE) { - qdev_init_gpio_in(dev, ssi_cs_default, 1); + qdev_init_gpio_in_named(dev, ssi_cs_default, SSI_GPIO_CS, 1); } return ssc->init(s); @@ -155,7 +155,7 @@ static int ssi_auto_connect_slave(Object *child, void *opaque) return 0; } - cs_line = qdev_get_gpio_in(DEVICE(dev), 0); + cs_line = qdev_get_gpio_in_named(DEVICE(dev), SSI_GPIO_CS, 0); qdev_set_parent_bus(DEVICE(dev), BUS(arg->bus)); **arg->cs_linep = cs_line; (*arg->cs_linep)++; |