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powerpc: mpc83xx: Implement get_serial_clock()

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DM serial drivers on PowerPC determine their clock frequency via the
get_serial_clock function. This function is not Implemented yet for
MPC83xx.

This patch Implements the function so that DM serial drivers work on
MPC83xx.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
This commit is contained in:
Mario Six 2019-01-21 09:18:05 +01:00
parent a06e665b47
commit ac016c94ae
1 changed files with 5 additions and 0 deletions
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5
arch/powerpc/cpu/mpc83xx/speed.c
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@ -516,6 +516,11 @@ ulong get_ddr_freq(ulong dummy)
return gd->mem_clk;
}
int get_serial_clock(void)
{
return get_bus_freq(0);
}
static int do_clocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char buf[32];