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-rw-r--r--board/cr50/rdd.c332
1 files changed, 0 insertions, 332 deletions
diff --git a/board/cr50/rdd.c b/board/cr50/rdd.c
deleted file mode 100644
index 1275b0dcde..0000000000
--- a/board/cr50/rdd.c
+++ /dev/null
@@ -1,332 +0,0 @@
-/* Copyright 2016 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "case_closed_debug.h"
-#include "console.h"
-#include "device_state.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "i2c.h"
-#include "rbox.h"
-#include "rdd.h"
-#include "registers.h"
-#include "system.h"
-#include "uartn.h"
-#include "usb_api.h"
-#include "usb_i2c.h"
-
-#define CPRINTS(format, args...) cprints(CC_USB, format, ## args)
-
-static int ec_uart_enabled, enable_usb_wakeup;
-static int usb_is_initialized;
-
-struct uart_config {
- const char *name;
- enum device_type device;
- int tx_signal;
-};
-
-static struct uart_config uarts[] = {
- [UART_AP] = {"AP", DEVICE_AP, GC_PINMUX_UART1_TX_SEL},
- [UART_EC] = {"EC", DEVICE_EC, GC_PINMUX_UART2_TX_SEL},
-};
-
-static int ccd_is_enabled(void)
-{
- return ccd_get_mode() == CCD_MODE_ENABLED;
-}
-
-int is_utmi_wakeup_allowed(void)
-{
- return enable_usb_wakeup;
-}
-
-
-/* If the UART TX is enabled the pinmux select will have a non-zero value */
-int uartn_enabled(int uart)
-{
- if (uart == UART_AP)
- return GREAD(PINMUX, DIOA7_SEL);
- return GREAD(PINMUX, DIOB5_SEL);
-}
-
-/**
- * Connect the UART pin to the given signal
- *
- * @param uart the uart peripheral number
- * @param signal the pinmux selector value for the gpio or peripheral
- * function. 0 to disable the output.
- */
-static void uart_select_tx(int uart, int signal)
-{
- if (uart == UART_AP) {
- GWRITE(PINMUX, DIOA7_SEL, signal);
- } else {
- GWRITE(PINMUX, DIOB5_SEL, signal);
-
- /* Remove the pulldown when we are driving the signal */
- GWRITE_FIELD(PINMUX, DIOB5_CTL, PD, signal ? 0 : 1);
- }
-}
-
-static int servo_is_connected(void)
-{
- return device_get_state(DEVICE_SERVO) == DEVICE_STATE_ON;
-}
-
-void uartn_tx_connect(int uart)
-{
- if (uart == UART_EC && !ec_uart_enabled)
- return;
-
- if (!ccd_is_enabled())
- return;
-
- if (servo_is_connected()) {
- CPRINTS("Servo is attached cannot enable %s UART",
- uarts[uart].name);
- return;
- }
-
- if (device_get_state(uarts[uart].device) == DEVICE_STATE_ON)
- uart_select_tx(uart, uarts[uart].tx_signal);
- else if (!uartn_enabled(uart))
- CPRINTS("%s is powered off", uarts[uart].name);
-}
-
-void uartn_tx_disconnect(int uart)
-{
- /* If servo is connected disable UART */
- if (servo_is_connected())
- ec_uart_enabled = 0;
-
- /* Disconnect the TX pin from UART peripheral */
- uart_select_tx(uart, 0);
-}
-
-void rdd_attached(void)
-{
- /* Indicate case-closed debug mode (active low) */
- gpio_set_level(GPIO_CCD_MODE_L, 0);
-
- /* Enable CCD */
- ccd_set_mode(CCD_MODE_ENABLED);
-
- enable_usb_wakeup = 1;
-
- uartn_tx_connect(UART_AP);
-}
-
-void rdd_detached(void)
-{
- /* Disconnect from AP and EC UART TX peripheral from gpios */
- uartn_tx_disconnect(UART_EC);
- uartn_tx_disconnect(UART_AP);
-
- /* Done with case-closed debug mode */
- gpio_set_level(GPIO_CCD_MODE_L, 1);
-
- enable_usb_wakeup = 0;
- ec_uart_enabled = 0;
-
- /* Disable CCD */
- ccd_set_mode(CCD_MODE_DISABLED);
-}
-
-void ccd_phy_init(int enable_ccd)
-{
- uint32_t properties = system_get_board_properties();
- /*
- * For boards that have one phy connected to the AP and one to the
- * external port PHY0 is for the AP and PHY1 is for CCD.
- */
- uint32_t which_phy = enable_ccd ? USB_SEL_PHY1 : USB_SEL_PHY0;
-
- /*
- * TODO: if both PHYs are connected to the external port select the
- * PHY based on the detected polarity
- */
- usb_select_phy(which_phy);
-
- /*
- * If the usb is going to be initialized on the AP PHY, but the AP is
- * off, wait until HOOK_CHIPSET_RESUME to initialize usb.
- */
- if (!enable_ccd && device_get_state(DEVICE_AP) != DEVICE_STATE_ON) {
- usb_is_initialized = 0;
- return;
- }
-
- /*
- * If the board has the non-ccd phy connected to the AP initialize the
- * phy no matter what. Otherwise only initialized the phy if ccd is
- * enabled.
- */
- if ((properties & BOARD_USB_AP) || enable_ccd) {
- usb_init();
- usb_is_initialized = 1;
- }
-}
-
-void disable_ap_usb(void)
-{
- if ((system_get_board_properties() & BOARD_USB_AP) &&
- !ccd_is_enabled() && usb_is_initialized) {
- usb_release();
- usb_is_initialized = 0;
- }
-}
-DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, disable_ap_usb, HOOK_PRIO_DEFAULT);
-
-void enable_ap_usb(void)
-{
- if ((system_get_board_properties() & BOARD_USB_AP) &&
- !ccd_is_enabled() && !usb_is_initialized) {
- usb_is_initialized = 1;
- usb_init();
- }
-}
-DECLARE_HOOK(HOOK_CHIPSET_RESUME, enable_ap_usb, HOOK_PRIO_DEFAULT);
-
-static int command_ccd(int argc, char **argv)
-{
- int val;
-
- if (argc > 1) {
- if (!strcasecmp("uart", argv[1]) && argc > 2) {
- if (!parse_bool(argv[2], &val))
- return EC_ERROR_PARAM2;
-
- if (val) {
- ec_uart_enabled = 1;
- uartn_tx_connect(UART_EC);
- } else {
- ec_uart_enabled = 0;
- uartn_tx_disconnect(UART_EC);
- }
- } else if (!strcasecmp("i2c", argv[1]) && argc > 2) {
- if (!parse_bool(argv[2], &val))
- return EC_ERROR_PARAM2;
-
- if (val) {
- usb_i2c_board_enable();
- ccprintf("CCD: i2c enabled\n");
- } else {
- usb_i2c_board_disable(0);
- ccprintf("CCD: i2c disabled\n");
- }
- } else if (argc == 2) {
- if (!parse_bool(argv[1], &val))
- return EC_ERROR_PARAM1;
-
- if (val)
- rdd_attached();
- else
- rdd_detached();
- } else
- return EC_ERROR_PARAM1;
- }
-
- ccprintf("CCD: %s\nAP UART: %s\nEC UART: %s\n",
- ccd_is_enabled() ? " enabled" : "disabled",
- uartn_enabled(UART_AP) ? " enabled" : "disabled",
- uartn_enabled(UART_EC) ? " enabled" : "disabled");
- return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(ccd, command_ccd,
- "[uart|i2c] [<BOOLEAN>]",
- "Get/set the case closed debug state");
-
-static int command_sys_rst(int argc, char **argv)
-{
- int val;
-
- if (argc > 1) {
- if (!strcasecmp("pulse", argv[1])) {
- ccprintf("Pulsing AP reset\n");
- assert_sys_rst();
- usleep(200);
- deassert_sys_rst();
- } else if (parse_bool(argv[1], &val)) {
- if (val)
- assert_sys_rst();
- else
- deassert_sys_rst();
- } else
- return EC_ERROR_PARAM1;
- }
-
- ccprintf("SYS_RST_L is %s\n", is_sys_rst_asserted() ?
- "asserted" : "deasserted");
-
- return EC_SUCCESS;
-
-}
-DECLARE_SAFE_CONSOLE_COMMAND(sysrst, command_sys_rst,
- "[pulse | <BOOLEAN>]",
- "Assert/deassert SYS_RST_L to reset the AP");
-
-static int command_ec_rst(int argc, char **argv)
-{
- int val;
-
- if (argc > 1) {
- if (!strcasecmp("pulse", argv[1])) {
- ccprintf("Pulsing EC reset\n");
- assert_ec_rst();
- usleep(200);
- deassert_ec_rst();
- } else if (parse_bool(argv[1], &val)) {
- if (val)
- assert_ec_rst();
- else
- deassert_ec_rst();
- } else
- return EC_ERROR_PARAM1;
- }
-
- ccprintf("EC_RST_L is %s\n", is_ec_rst_asserted() ?
- "asserted" : "deasserted");
-
- return EC_SUCCESS;
-}
-DECLARE_SAFE_CONSOLE_COMMAND(ecrst, command_ec_rst,
- "[pulse | <BOOLEAN>]",
- "Assert/deassert EC_RST_L to reset the EC (and AP)");
-
-static int command_powerbtn(int argc, char **argv)
-{
- char *e;
- int ms = 200;
-
- if (argc > 1) {
- if (!strcasecmp("pulse", argv[1])) {
- if (argc == 3) {
- ms = strtoi(argv[2], &e, 0);
- if (*e)
- return EC_ERROR_PARAM2;
- }
-
- ccprintf("Force %dms power button press\n", ms);
-
- rbox_powerbtn_press();
- msleep(ms);
- rbox_powerbtn_release();
- } else if (!strcasecmp("press", argv[1])) {
- rbox_powerbtn_press();
- } else if (!strcasecmp("release", argv[1])) {
- rbox_powerbtn_release();
- } else
- return EC_ERROR_PARAM1;
- }
-
- ccprintf("powerbtn: %s\n",
- rbox_powerbtn_override_is_enabled() ? "forced press" :
- rbox_powerbtn_is_pressed() ? "pressed\n" : "released\n");
- return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(powerbtn, command_powerbtn,
- "[pulse [ms] | press | release]",
- "get/set the state of the power button");
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