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author | rwatson <rwatson@FreeBSD.org> | 2013-01-13 15:08:17 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2013-01-13 15:08:17 +0000 |
commit | 315df478c379f5026e9f6303847654dc5a4531a4 (patch) | |
tree | 916478c7ce7a865834b4fad835b684a2a97aad6a /sys/dev/altera | |
parent | a6c6825b234352007e68fd40dcff69ebd1f960a1 (diff) | |
download | FreeBSD-src-315df478c379f5026e9f6303847654dc5a4531a4.zip FreeBSD-src-315df478c379f5026e9f6303847654dc5a4531a4.tar.gz |
Merge Perforce changeset 219918 to head:
Naive first cut at an FDT bus attachment for the Altera JTAG UART.
Sponsored by: DARPA, AFRL
Diffstat (limited to 'sys/dev/altera')
-rw-r--r-- | sys/dev/altera/jtag_uart/altera_jtag_uart_fdt.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/sys/dev/altera/jtag_uart/altera_jtag_uart_fdt.c b/sys/dev/altera/jtag_uart/altera_jtag_uart_fdt.c index 2592249..2b1e38d 100644 --- a/sys/dev/altera/jtag_uart/altera_jtag_uart_fdt.c +++ b/sys/dev/altera/jtag_uart/altera_jtag_uart_fdt.c @@ -52,21 +52,27 @@ __FBSDID("$FreeBSD$"); #include <dev/altera/jtag_uart/altera_jtag_uart.h> +#include <dev/fdt/fdt_common.h> +#include <dev/ofw/openfirm.h> +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + /* - * Nexus bus attachment for Altera JTAG UARTs. Appropriate for most Altera - * FPGA SoC-style configurations in which the IP core will be exposed to the - * processor via a memory-mapped Avalon bus. + * FDT bus attachment for Altera JTAG UARTs. */ static int -altera_jtag_uart_nexus_probe(device_t dev) +altera_jtag_uart_fdt_probe(device_t dev) { - device_set_desc(dev, "Altera JTAG UART"); - return (BUS_PROBE_DEFAULT); + if (ofw_bus_is_compatible(dev, "altera,jtag_uart-11_0")) { + device_set_desc(dev, "Altera JTAG UART"); + return (BUS_PROBE_DEFAULT); + } + return (ENXIO); } static int -altera_jtag_uart_nexus_attach(device_t dev) +altera_jtag_uart_fdt_attach(device_t dev) { struct altera_jtag_uart_softc *sc; int error; @@ -108,7 +114,7 @@ out: } static int -altera_jtag_uart_nexus_detach(device_t dev) +altera_jtag_uart_fdt_detach(device_t dev) { struct altera_jtag_uart_softc *sc; @@ -124,20 +130,20 @@ altera_jtag_uart_nexus_detach(device_t dev) return (0); } -static device_method_t altera_jtag_uart_nexus_methods[] = { - DEVMETHOD(device_probe, altera_jtag_uart_nexus_probe), - DEVMETHOD(device_attach, altera_jtag_uart_nexus_attach), - DEVMETHOD(device_detach, altera_jtag_uart_nexus_detach), +static device_method_t altera_jtag_uart_fdt_methods[] = { + DEVMETHOD(device_probe, altera_jtag_uart_fdt_probe), + DEVMETHOD(device_attach, altera_jtag_uart_fdt_attach), + DEVMETHOD(device_detach, altera_jtag_uart_fdt_detach), { 0, 0 } }; -static driver_t altera_jtag_uart_nexus_driver = { +static driver_t altera_jtag_uart_fdt_driver = { "altera_jtag_uart", - altera_jtag_uart_nexus_methods, + altera_jtag_uart_fdt_methods, sizeof(struct altera_jtag_uart_softc), }; static devclass_t altera_jtag_uart_devclass; -DRIVER_MODULE(altera_jtag_uart, nexus, altera_jtag_uart_nexus_driver, +DRIVER_MODULE(altera_jtag_uart, simplebus, altera_jtag_uart_fdt_driver, altera_jtag_uart_devclass, 0, 0); |