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g: add wake pin info to pinmux command

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It is useful to be able to see which pins are set as wake pins and what
type they are. This change adds prints to show_pinmux to describe the
wake pins.

BUG=none
BRANCH=none
TEST='pinmux' should show DIOA12 as a wake_low source.

Change-Id: I2a0ccdbf9b07abb627c3d52c7dd28433a2beff3c
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/363494
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
This commit is contained in:
Mary Ruthven
2016-07-26 16:35:11 -07:00
committed by chrome-bot
parent 43b2f5bac6
commit eb0660283d
1 changed files with 15 additions and 6 deletions
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21
chip/g/gpio.c
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@@ -335,9 +335,11 @@ static void show_pinmux(const char *name, int i, int ofs)
{
uint32_t sel = DIO_SEL_REG(i * 8 + ofs);
uint32_t ctl = DIO_CTL_REG(i * 8 + ofs);
uint32_t bitmask = 1 << (i + ofs / 8);
uint32_t edge = GREG32(PINMUX, EXITEDGE0) & bitmask;
/* skip empty ones (ignoring drive strength bits) */
if (sel == 0 && (ctl & (0xf << 2)) == 0)
if (!sel && !(ctl & (0xf << 2)) && !(GREG32(PINMUX, EXITEN0) & bitmask))
return;
ccprintf("%08x: %s%-2d %2d %s%s%s%s",
@@ -349,13 +351,20 @@ static void show_pinmux(const char *name, int i, int ofs)
(ctl & (1<<5)) ? " INV" : "");
if (sel >= 1 && sel <= 16)
ccprintf(" GPIO0_GPIO%d\n", sel - 1);
ccprintf(" GPIO0_GPIO%d", sel - 1);
else if (sel >= 17 && sel <= 32)
ccprintf(" GPIO1_GPIO%d\n", sel - 17);
ccprintf(" GPIO1_GPIO%d", sel - 17);
else if (sel >= 67 && sel <= 78)
ccprintf(" UART%s\n", uart_str[sel - 67]);
else
ccprintf("\n");
ccprintf(" UART%s", uart_str[sel - 67]);
if (GREG32(PINMUX, EXITEN0) & bitmask) {
ccprintf(" WAKE_");
if (GREG32(PINMUX, EXITINV0) & bitmask)
ccprintf("%s", edge ? "FALLING" : "LOW");
else
ccprintf("%s", edge ? "RISING" : "HIGH");
}
ccprintf("\n");
}
static void print_dio_str(uint32_t sel)