diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/dmv177/console/conscfg.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/console/conscfg.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/c/src/lib/libbsp/powerpc/dmv177/console/conscfg.c b/c/src/lib/libbsp/powerpc/dmv177/console/conscfg.c index 80b7828e29..b092e14c37 100644 --- a/c/src/lib/libbsp/powerpc/dmv177/console/conscfg.c +++ b/c/src/lib/libbsp/powerpc/dmv177/console/conscfg.c @@ -142,13 +142,14 @@ mc68681_baud_t #endif boolean dmv177_z85c30_probe(int minor); +boolean dmv177_mc68681_probe(int minor); console_tbl Console_Port_Tbl[] = { { "/dev/com0", /* sDeviceName */ SERIAL_MC68681, /* deviceType */ MC68681_FUNCTIONS, /* pDeviceFns */ - NULL, /* deviceProbe */ + dmv177_mc68681_probe, /* deviceProbe */ NULL, /* pDeviceFlow */ 16, /* ulMargin */ 8, /* ulHysteresis */ @@ -167,7 +168,7 @@ console_tbl Console_Port_Tbl[] = { "/dev/com1", /* sDeviceName */ SERIAL_MC68681, /* deviceType */ MC68681_FUNCTIONS, /* pDeviceFns */ - NULL, /* deviceProbe */ + dmv177_mc68681_probe, /* deviceProbe */ NULL, /* pDeviceFlow */ 16, /* ulMargin */ 8, /* ulHysteresis */ @@ -234,15 +235,26 @@ console_data Console_Port_Data[NUM_CONSOLE_PORTS]; rtems_device_minor_number Console_Port_Minor; +/* + * Hopefully, by checking the card resource register, this BSP + * will be able to operate on the DMV171, DMV176, or DMV177. + */ + boolean dmv177_z85c30_probe(int minor) { volatile unsigned32 *dma_control_status_reg; + volatile unsigned32 *card_resource_reg; + + card_resource_reg = (volatile unsigned32 *) DMV170_CARD_RESORCE_REG; + + if ( !(*card_resource_reg & DMV170_DUART_PRESENT_BIT) ) + return FALSE; /* * Figure out the clock speed of the Z85C30 SCC */ - dma_control_status_reg = DMV170_DMA_CONTROL_STATUS_REG; + dma_control_status_reg = (volatile unsigned32 *)DMV170_DMA_CONTROL_STATUS_REG; if ( *dma_control_status_reg & DMV170_SCC_10MHZ ) Console_Port_Tbl[minor].ulClock = Z85C30_CLOCK_10; @@ -251,3 +263,15 @@ boolean dmv177_z85c30_probe(int minor) return TRUE; } + +boolean dmv177_mc68681_probe(int minor) +{ + volatile unsigned32 *card_resource_reg; + + card_resource_reg = (volatile unsigned32 *) DMV170_CARD_RESORCE_REG; + + if ( *card_resource_reg & DMV170_DUART_PRESENT_BIT ) + return TRUE; + + return FALSE; +} |