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| author | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2013-12-22 21:30:21 -0500 |
|---|---|---|
| committer | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2014-01-08 23:03:19 +0100 |
| commit | 8226dbbf1d85be662ab6d427ca80c305cf0b719d (patch) | |
| tree | 3f284c9b105396fc757245da6db5bee30fd3688e /src/mainboard | |
| parent | be32f51aa180bd132caa790452b8c0e7920c3afb (diff) | |
| download | coreboot-8226dbbf1d85be662ab6d427ca80c305cf0b719d.tar.xz | |
cpu/allwinner/a10: Refactor and document pinmux API
Include a function to multiplex more than one pin at a time. This
is useful for peripherals that have the same function number for
all their pins.
Since we now have two functions for muxing pins, also document
them.
Change-Id: I53997cc3a2586e3cf749cd672f69fb427659c67f
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4565
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/cubietech/cubieboard/bootblock.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/mainboard/cubietech/cubieboard/bootblock.c b/src/mainboard/cubietech/cubieboard/bootblock.c index 6e8b751c73..a91391c7a0 100644 --- a/src/mainboard/cubietech/cubieboard/bootblock.c +++ b/src/mainboard/cubietech/cubieboard/bootblock.c @@ -18,8 +18,8 @@ | AHB_DIV_1 \ | AXI_DIV_1 -#define GPB22_UART0_TX_FUNC 2 -#define GPB23_UART0_RX_FUNC 2 +#define GPB_UART0_FUNC 2 +#define GPB_UART0_PINS ((1 << 22) | (1 << 23)) static void cubieboard_set_sys_clock(void) { @@ -57,8 +57,7 @@ static void cubieboard_setup_clocks(void) static void cubieboard_setup_gpios(void) { /* Mux UART pins */ - gpio_set_func(GPB, 22, GPB22_UART0_TX_FUNC); - gpio_set_func(GPB, 23, GPB23_UART0_RX_FUNC); + gpio_set_multipin_func(GPB, GPB_UART0_PINS, GPB_UART0_FUNC); } static void cubieboard_enable_uart(void) |