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| author | David Daney <david.daney@cavium.com> | 2013-06-19 20:37:26 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-07-01 15:10:54 +0200 |
| commit | 5219343f83a033fe5dfcbb0274b5a78e8b2d0fee (patch) | |
| tree | 5250f00d2a000e2ebd21e724f1daf56a9acc0737 /arch/mips/cavium-octeon | |
| parent | 450acb0b120ebcdc7d2ea6888b5302a6a5a12420 (diff) | |
| download | blackbird-obmc-linux-5219343f83a033fe5dfcbb0274b5a78e8b2d0fee.tar.gz blackbird-obmc-linux-5219343f83a033fe5dfcbb0274b5a78e8b2d0fee.zip | |
MIPS: OCTEON: Set proper UART clock in internal device trees.
Following patch to use generic 8250 drivers will need proper clock
information. So when using the internal device tree, populate the
"clock-frequency" property with the correct value.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: Jamie Iles <jamie@jamieiles.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5515/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/cavium-octeon')
| -rw-r--r-- | arch/mips/cavium-octeon/octeon-platform.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index 389512e2abd6..7b746e7bf7a1 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -490,8 +490,15 @@ int __init octeon_prune_device_tree(void) if (alias_prop) { uart = fdt_path_offset(initial_boot_params, alias_prop); - if (uart_mask & (1 << i)) + if (uart_mask & (1 << i)) { + __be32 f; + + f = cpu_to_be32(octeon_get_io_clock_rate()); + fdt_setprop_inplace(initial_boot_params, + uart, "clock-frequency", + &f, sizeof(f)); continue; + } pr_debug("Deleting uart%d\n", i); fdt_nop_node(initial_boot_params, uart); fdt_nop_property(initial_boot_params, aliases, |
