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tegra132: use padconfig for initializing uart pads 

Start using the soc_configure_pads() API. This allows for
bulk processing of pads.

BUG=chrome-os-partner:31105
BUG=chrome-os-partner:31104
BUG=chrome-os-partner:29981
BRANCH=None
TEST=Built and can get console messages on rush.

Change-Id: Id2c8a685a4566bda8fc260f74f5dffdd0da03056
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: bbd7c81bc0777b38bb641b9fcf89425bfd93566d
Original-Change-Id: Iaa6a6ff4d559aedb98b078e87b0ecddefd3402d6
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/210834
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8876
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Aaron Durbin 2014-08-01 14:16:39 -05:00 committed by Patrick Georgi
parent 401b3b6ea6
commit f985621dd5
1 changed files with 15 additions and 12 deletions
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27
src/soc/nvidia/tegra132/bootblock.c
View File

@ -23,11 +23,25 @@
#include <console/console.h>
#include <program_loading.h>
#include <soc/clock.h>
#include <soc/padconfig.h>
#include <soc/nvidia/tegra/apbmisc.h>
#include "pinmux.h"
#include "power.h"
static const struct pad_config uart_console_pads[] = {
/* Hard coded pad usage for UARTA. */
PAD_CFG_SFIO(KB_ROW9, 0, UA3),
PAD_CFG_SFIO(KB_ROW10, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, UA3),
/*
* Disable UART2 pads as they are default connected to UARTA controller.
*/
PAD_CFG_UNUSED(UART2_RXD),
PAD_CFG_UNUSED(UART2_TXD),
PAD_CFG_UNUSED(UART2_RTS_N),
PAD_CFG_UNUSED(UART2_CTS_N),
};
void main(void)
{
// enable pinmux clamp inputs
@ -38,18 +52,7 @@ void main(void)
clock_early_uart();
// Serial out, tristate off.
pinmux_set_config(PINMUX_KB_ROW9_INDEX, PINMUX_KB_ROW9_FUNC_UA3);
// Serial in, tristate_on.
pinmux_set_config(PINMUX_KB_ROW10_INDEX, PINMUX_KB_ROW10_FUNC_UA3 |
PINMUX_PULL_UP |
PINMUX_INPUT_ENABLE);
// Mux some pins away from uart A.
pinmux_set_config(PINMUX_UART2_CTS_N_INDEX,
PINMUX_UART2_CTS_N_FUNC_UB3 |
PINMUX_INPUT_ENABLE);
pinmux_set_config(PINMUX_UART2_RTS_N_INDEX,
PINMUX_UART2_RTS_N_FUNC_UB3);
soc_configure_pads(uart_console_pads, ARRAY_SIZE(uart_console_pads));
if (CONFIG_BOOTBLOCK_CONSOLE) {
console_init();