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Use OF_decode_addr() to create a bus_space tag and handle for the console

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on FDT/OFW platforms.

After the refactoring of the powerpc code so that OF_decode_addr() is usable
on all FDT/OFW platforms, this switches uart(4) to using it.

Differential Revision:	https://reviews.freebsd.org/D4675
This commit is contained in:
Ian Lepore 2016-01-18 17:03:12 +00:00
parent b1aaaae600
commit 2a81017500
1 changed files with 1 additions and 12 deletions
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13
sys/dev/uart/uart_cpu_fdt.c
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@ -133,7 +133,6 @@ uart_cpu_getdev(int devtype, struct uart_devinfo *di)
struct uart_class *class;
phandle_t node, chosen;
pcell_t shift, br, rclk;
u_long start, size, pbase, psize;
char *cp;
int err;
@ -212,16 +211,6 @@ uart_cpu_getdev(int devtype, struct uart_devinfo *di)
di->databits = 8;
di->stopbits = 1;
di->parity = UART_PARITY_NONE;
di->bas.bst = uart_bus_space_mem;
err = fdt_regsize(node, &start, &size);
if (err)
return (ENXIO);
err = fdt_get_range(OF_parent(node), 0, &pbase, &psize);
if (err)
pbase = 0;
start += pbase;
return (bus_space_map(di->bas.bst, start, size, 0, &di->bas.bsh));
return (OF_decode_addr(node, 0, &di->bas.bst, &di->bas.bsh));
}