| // Copyright 2019 The Fuchsia 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 "c18.h" |
| |
| #include <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/platform-defs.h> |
| #include <fbl/alloc_checker.h> |
| |
| namespace board_c18 { |
| |
| static pbus_dev_t rtc_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "rtc"; |
| dev.vid = PDEV_VID_GENERIC; |
| dev.pid = PDEV_PID_GENERIC; |
| dev.did = PDEV_DID_RTC_FALLBACK; |
| return dev; |
| }(); |
| |
| zx_status_t C18::Create(void* ctx, zx_device_t* parent) { |
| pbus_protocol_t pbus; |
| auto status = device_get_protocol(parent, ZX_PROTOCOL_PBUS, &pbus); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| fbl::AllocChecker ac; |
| auto board = fbl::make_unique_checked<C18>(&ac, parent, &pbus); |
| if (!ac.check()) { |
| return ZX_ERR_NO_MEMORY; |
| } |
| |
| status = board->DdkAdd("c18", DEVICE_ADD_NON_BINDABLE); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| // Start up our protocol helpers and platform devices. |
| status = board->Start(); |
| if (status == ZX_OK) { |
| // devmgr is now in charge of the device. |
| __UNUSED auto* dummy = board.release(); |
| } |
| return status; |
| } |
| |
| int C18::Thread() { |
| zx_status_t status; |
| |
| status = SocInit(); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s:%d SocInit() failed.", __PRETTY_FUNCTION__, __LINE__); |
| return -1; |
| } |
| |
| status = GpioInit(); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s:%d GpioInit() failed.", __PRETTY_FUNCTION__, __LINE__); |
| return -1; |
| } |
| |
| status = Msdc0Init(); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s:%d Msdc0Init() failed.", __PRETTY_FUNCTION__, __LINE__); |
| return -1; |
| } |
| |
| status = SpiInit(); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s:%d SpiInit() failed.", __PRETTY_FUNCTION__, __LINE__); |
| return -1; |
| } |
| |
| status = pbus_.DeviceAdd(&rtc_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd failed for RTC - error %d", __func__, status); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| zx_status_t C18::Start() { |
| int rc = thrd_create_with_name( |
| &thread_, [](void* arg) -> int { return reinterpret_cast<C18*>(arg)->Thread(); }, this, |
| "c18-start-thread"); |
| if (rc != thrd_success) { |
| return ZX_ERR_INTERNAL; |
| } |
| return ZX_OK; |
| } |
| |
| void C18::DdkRelease() { delete this; } |
| |
| static constexpr zx_driver_ops_t driver_ops = []() { |
| zx_driver_ops_t ops = {}; |
| ops.version = DRIVER_OPS_VERSION; |
| ops.bind = C18::Create; |
| return ops; |
| }(); |
| |
| } // namespace board_c18 |
| |
| ZIRCON_DRIVER_BEGIN(c18, board_c18::driver_ops, "zircon", "0.1", 3) |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_PBUS), |
| BI_ABORT_IF(NE, BIND_PLATFORM_DEV_VID, PDEV_VID_GOOGLE), |
| BI_MATCH_IF(EQ, BIND_PLATFORM_DEV_PID, PDEV_PID_C18), ZIRCON_DRIVER_END(c18) |