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Export knowledge of the special bus space we use for the console to

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obio.  Take advantage of the fact that obio only really supports uart
at the moment to use the uart bus tag always for IOPORT allocations.

# this needs to be redone to conform to FreeBSD standards and allow for
# additional drivers for SoC hardware to attach
This commit is contained in:
Warner Losh 2010-01-25 19:27:20 +00:00
parent fe9df26a36
commit f17768d6df
2 changed files with 6 additions and 5 deletions
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8
sys/mips/cavium/obio.c
View File

@ -36,8 +36,8 @@
*/
/*
* On-board device autoconfiguration support for Intel IQ80321
* evaluation boards.
* On-board device autoconfiguration support for Cavium OCTEON 1 family of
* SoC devices.
*/
#include <sys/cdefs.h>
@ -56,6 +56,8 @@ __FBSDID("$FreeBSD$");
#include <mips/cavium/octeon_pcmap_regs.h>
#include <mips/cavium/obiovar.h>
extern struct bus_space octeon_uart_tag;
int obio_probe(device_t);
int obio_attach(device_t);
@ -125,7 +127,7 @@ obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
return (NULL);
case SYS_RES_IOPORT:
rm = &sc->oba_rman;
bt = sc->oba_st;
bt = &octeon_uart_tag;
bh = device_get_unit(child) ?
OCTEON_MIO_UART1 : OCTEON_MIO_UART0;
start = bh;

3
sys/mips/cavium/uart_cpu_octeonusart.c
View File

@ -70,7 +70,6 @@ __FBSDID("$FreeBSD$");
* 64-bit word bus that's on the octeon. We only support simple read/write
* in this space. Everything else is undefined.
*/
static uint8_t
ou_bs_r_1(void *t, bus_space_handle_t handle, bus_size_t offset)
{
@ -127,7 +126,7 @@ ou_bs_w_8(void *t, bus_space_handle_t bsh, bus_size_t offset, uint64_t value)
oct_write64(bsh + (offset << 3), value);
}
static struct bus_space octeon_uart_tag = {
struct bus_space octeon_uart_tag = {
.bs_map = generic_bs_map,
.bs_unmap = generic_bs_unmap,
.bs_subregion = generic_bs_subregion,