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authorAlexandru Gagniuc <mr.nuke.me@gmail.com>2013-12-22 21:30:21 -0500
committerAlexandru Gagniuc <mr.nuke.me@gmail.com>2014-01-08 23:03:19 +0100
commit8226dbbf1d85be662ab6d427ca80c305cf0b719d (patch)
tree3f284c9b105396fc757245da6db5bee30fd3688e /src/mainboard
parentbe32f51aa180bd132caa790452b8c0e7920c3afb (diff)
downloadcoreboot-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.c7
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)