diff options
Diffstat (limited to 'board/discovery-stm32f072')
| -rw-r--r-- | board/discovery-stm32f072/board.c | 209 | ||||
| -rw-r--r-- | board/discovery-stm32f072/board.h | 88 | ||||
| -rw-r--r-- | board/discovery-stm32f072/build.mk | 13 | ||||
| -rw-r--r-- | board/discovery-stm32f072/ec.tasklist | 11 | ||||
| -rw-r--r-- | board/discovery-stm32f072/gpio.inc | 33 | ||||
| -rw-r--r-- | board/discovery-stm32f072/openocd-flash.cfg | 19 |
6 files changed, 0 insertions, 373 deletions
diff --git a/board/discovery-stm32f072/board.c b/board/discovery-stm32f072/board.c deleted file mode 100644 index c7099f55d1..0000000000 --- a/board/discovery-stm32f072/board.c +++ /dev/null @@ -1,209 +0,0 @@ -/* Copyright 2014 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. - */ -/* STM32F072-discovery board configuration */ - -#include "common.h" -#include "ec_version.h" -#include "gpio.h" -#include "hooks.h" -#include "queue_policies.h" -#include "registers.h" -#include "spi.h" -#include "task.h" -#include "usart-stm32f0.h" -#include "usart_tx_dma.h" -#include "usart_rx_dma.h" -#include "usb_gpio.h" -#include "usb_spi.h" -#include "usb-stream.h" -#include "util.h" - -/****************************************************************************** - * Build GPIO tables and expose a subset of the GPIOs over USB. - */ -void button_event(enum gpio_signal signal); - -#include "gpio_list.h" - -static enum gpio_signal const usb_gpio_list[] = { - GPIO_USER_BUTTON, - GPIO_LED_U, - GPIO_LED_D, - GPIO_LED_L, - GPIO_LED_R, -}; - -/* - * This instantiates struct usb_gpio_config const usb_gpio, plus several other - * variables, all named something beginning with usb_gpio_ - */ -USB_GPIO_CONFIG(usb_gpio, - usb_gpio_list, - USB_IFACE_GPIO, - USB_EP_GPIO); - -/****************************************************************************** - * Setup USART1 as a loopback device, it just echo's back anything sent to it. - */ -static struct usart_config const loopback_usart; - -static struct queue const loopback_queue = - QUEUE_DIRECT(64, uint8_t, - loopback_usart.producer, - loopback_usart.consumer); - -static struct usart_rx_dma const loopback_rx_dma = - USART_RX_DMA(STM32_DMAC_CH3, 8); - -static struct usart_tx_dma const loopback_tx_dma = - USART_TX_DMA(STM32_DMAC_CH2, 16); - -static struct usart_config const loopback_usart = - USART_CONFIG(usart1_hw, - loopback_rx_dma.usart_rx, - loopback_tx_dma.usart_tx, - 115200, - 0, - loopback_queue, - loopback_queue); - -/****************************************************************************** - * Forward USART4 as a simple USB serial interface. - */ -static struct usart_config const forward_usart; -struct usb_stream_config const forward_usb; - -static struct queue const usart_to_usb = QUEUE_DIRECT(64, uint8_t, - forward_usart.producer, - forward_usb.consumer); -static struct queue const usb_to_usart = QUEUE_DIRECT(64, uint8_t, - forward_usb.producer, - forward_usart.consumer); - -static struct usart_tx_dma const forward_tx_dma = - USART_TX_DMA(STM32_DMAC_CH7, 16); - -static struct usart_config const forward_usart = - USART_CONFIG(usart4_hw, - usart_rx_interrupt, - forward_tx_dma.usart_tx, - 115200, - 0, - usart_to_usb, - usb_to_usart); - -#define USB_STREAM_RX_SIZE 16 -#define USB_STREAM_TX_SIZE 16 - -USB_STREAM_CONFIG(forward_usb, - USB_IFACE_STREAM, - USB_STR_STREAM_NAME, - USB_EP_STREAM, - USB_STREAM_RX_SIZE, - USB_STREAM_TX_SIZE, - usb_to_usart, - usart_to_usb) - -/****************************************************************************** - * Handle button presses by cycling the LEDs on the board. Also run a tick - * handler to cycle them when they are not actively under USB control. - */ -void button_event(enum gpio_signal signal) -{ - static int count; - - gpio_set_level(GPIO_LED_U, (count & 0x03) == 0); - gpio_set_level(GPIO_LED_R, (count & 0x03) == 1); - gpio_set_level(GPIO_LED_D, (count & 0x03) == 2); - gpio_set_level(GPIO_LED_L, (count & 0x03) == 3); - - count++; -} - -void usb_gpio_tick(void) -{ - if (usb_gpio.state->set_mask || usb_gpio.state->clear_mask) - return; - - button_event(0); -} -DECLARE_HOOK(HOOK_TICK, usb_gpio_tick, HOOK_PRIO_DEFAULT); - -/****************************************************************************** - * Define the strings used in our USB descriptors. - */ -const void *const usb_strings[] = { - [USB_STR_DESC] = usb_string_desc, - [USB_STR_VENDOR] = USB_STRING_DESC("Google Inc."), - [USB_STR_PRODUCT] = USB_STRING_DESC("discovery-stm32f072"), - [USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32), - [USB_STR_STREAM_NAME] = USB_STRING_DESC("Forward"), - [USB_STR_CONSOLE_NAME] = USB_STRING_DESC("Shell"), -}; - -BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT); - - -/****************************************************************************** - * Support SPI bridging over USB, this requires usb_spi_board_enable and - * usb_spi_board_disable to be defined to enable and disable the SPI bridge. - */ - -/* SPI devices */ -const struct spi_device_t spi_devices[] = { - { CONFIG_SPI_FLASH_PORT, 0, GPIO_SPI_CS}, -}; -const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); - -void usb_spi_board_enable(struct usb_spi_config const *config) -{ - /* Remap SPI2 to DMA channels 6 and 7 */ - STM32_SYSCFG_CFGR1 |= BIT(24); - - /* Configure SPI GPIOs */ - gpio_config_module(MODULE_SPI_FLASH, 1); - - /* Set all four SPI pins to high speed */ - STM32_GPIO_OSPEEDR(GPIO_B) |= 0xff000000; - - /* Enable clocks to SPI2 module */ - STM32_RCC_APB1ENR |= STM32_RCC_PB1_SPI2; - - /* Reset SPI2 */ - STM32_RCC_APB1RSTR |= STM32_RCC_PB1_SPI2; - STM32_RCC_APB1RSTR &= ~STM32_RCC_PB1_SPI2; - - spi_enable(&spi_devices[0], 1); -} - -void usb_spi_board_disable(struct usb_spi_config const *config) -{ - spi_enable(&spi_devices[0], 0); - - /* Disable clocks to SPI2 module */ - STM32_RCC_APB1ENR &= ~STM32_RCC_PB1_SPI2; - - /* Release SPI GPIOs */ - gpio_config_module(MODULE_SPI_FLASH, 0); -} - -USB_SPI_CONFIG(usb_spi, USB_IFACE_SPI, USB_EP_SPI, 0); - -/****************************************************************************** - * Initialize board. - */ -static void board_init(void) -{ - gpio_enable_interrupt(GPIO_USER_BUTTON); - - queue_init(&loopback_queue); - queue_init(&usart_to_usb); - queue_init(&usb_to_usart); - usart_init(&loopback_usart); - usart_init(&forward_usart); - - usb_spi_enable(&usb_spi, 1); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); diff --git a/board/discovery-stm32f072/board.h b/board/discovery-stm32f072/board.h deleted file mode 100644 index d3f51f6691..0000000000 --- a/board/discovery-stm32f072/board.h +++ /dev/null @@ -1,88 +0,0 @@ -/* Copyright 2014 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. - */ - -/* STM32F072-discovery board configuration */ - -#ifndef __CROS_EC_BOARD_H -#define __CROS_EC_BOARD_H - -/* 48 MHz SYSCLK clock frequency */ -#define CPU_CLOCK 48000000 - -/* Enable USART1,3,4 and USB streams */ -#define CONFIG_STREAM_USART -#define CONFIG_STREAM_USART1 -#define CONFIG_STREAM_USART4 -#define CONFIG_STREAM_USB -#define CONFIG_CMD_USART_INFO - -/* the UART console is on USART2 (PA14/PA15) */ -#undef CONFIG_UART_CONSOLE -#define CONFIG_UART_CONSOLE 2 - -/* Optional features */ -#define CONFIG_STM_HWTIMER32 -#define CONFIG_HW_CRC - -/* USB Configuration */ -#define CONFIG_USB -#define CONFIG_USB_PID 0x500f -#define CONFIG_USB_CONSOLE - -/* USB interface indexes (use define rather than enum to expand them) */ -#define USB_IFACE_STREAM 0 -#define USB_IFACE_GPIO 1 -#define USB_IFACE_SPI 2 -#define USB_IFACE_CONSOLE 3 -#define USB_IFACE_COUNT 4 - -/* USB endpoint indexes (use define rather than enum to expand them) */ -#define USB_EP_CONTROL 0 -#define USB_EP_STREAM 1 -#define USB_EP_GPIO 2 -#define USB_EP_SPI 3 -#define USB_EP_CONSOLE 4 -#define USB_EP_COUNT 5 - -/* Enable control of GPIOs over USB */ -#define CONFIG_USB_GPIO - -/* Enable control of SPI over USB */ -#define CONFIG_SPI_CONTROLLER -#define CONFIG_SPI_FLASH_PORT 0 /* First SPI master port */ - - -#define CONFIG_USB_SPI - -#undef CONFIG_WATCHDOG_HELP -#undef CONFIG_LID_SWITCH - -/* - * Allow dangerous commands all the time, since we don't have a write protect - * switch. - */ -#define CONFIG_SYSTEM_UNLOCKED - -#ifndef __ASSEMBLER__ - -/* Timer selection */ -#define TIM_CLOCK32 2 - -#include "gpio_signal.h" - -/* USB string indexes */ -enum usb_strings { - USB_STR_DESC = 0, - USB_STR_VENDOR, - USB_STR_PRODUCT, - USB_STR_VERSION, - USB_STR_STREAM_NAME, - USB_STR_CONSOLE_NAME, - - USB_STR_COUNT -}; - -#endif /* !__ASSEMBLER__ */ -#endif /* __CROS_EC_BOARD_H */ diff --git a/board/discovery-stm32f072/build.mk b/board/discovery-stm32f072/build.mk deleted file mode 100644 index c1892335ed..0000000000 --- a/board/discovery-stm32f072/build.mk +++ /dev/null @@ -1,13 +0,0 @@ -# -*- makefile -*- -# Copyright 2014 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. -# -# Board specific files build - -# the IC is STmicro STM32F072RBT6 -CHIP:=stm32 -CHIP_FAMILY:=stm32f0 -CHIP_VARIANT:=stm32f07x - -board-y=board.o diff --git a/board/discovery-stm32f072/ec.tasklist b/board/discovery-stm32f072/ec.tasklist deleted file mode 100644 index cc4c2ad42d..0000000000 --- a/board/discovery-stm32f072/ec.tasklist +++ /dev/null @@ -1,11 +0,0 @@ -/* Copyright 2014 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. - */ - -/** - * See CONFIG_TASK_LIST in config.h for details. - */ -#define CONFIG_TASK_LIST \ - TASK_ALWAYS(HOOKS, hook_task, NULL, TASK_STACK_SIZE) \ - TASK_ALWAYS(CONSOLE, console_task, NULL, TASK_STACK_SIZE) diff --git a/board/discovery-stm32f072/gpio.inc b/board/discovery-stm32f072/gpio.inc deleted file mode 100644 index 65bdd0179b..0000000000 --- a/board/discovery-stm32f072/gpio.inc +++ /dev/null @@ -1,33 +0,0 @@ -/* -*- mode:c -*- - * - * Copyright 2014 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. - */ - -/* Declare symbolic names for all the GPIOs that we care about. - * Note: Those with interrupt handlers must be declared first. */ - -GPIO_INT(USER_BUTTON, PIN(A, 0), GPIO_INT_FALLING, button_event) - -/* Outputs */ -GPIO(LED_U, PIN(C, 6), GPIO_OUT_LOW) -GPIO(LED_D, PIN(C, 7), GPIO_OUT_LOW) -GPIO(LED_L, PIN(C, 8), GPIO_OUT_LOW) -GPIO(LED_R, PIN(C, 9), GPIO_OUT_LOW) - -/* Flash SPI interface */ -GPIO(SPI_WP, PIN(C, 3), GPIO_OUT_HIGH) -GPIO(SPI_HOLD, PIN(C, 4), GPIO_OUT_HIGH) -GPIO(SPI_CS, PIN(B, 12), GPIO_OUT_HIGH) - -ALTERNATE(PIN_MASK(B, 0xE000), 0, MODULE_SPI_FLASH, 0) - -/* Unimplemented signals which we need to emulate for now */ -UNIMPLEMENTED(ENTERING_RW) -UNIMPLEMENTED(WP_L) - -ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_USART, 0) /* USART1: PA09/PA10 */ -ALTERNATE(PIN_MASK(A, 0xC000), 1, MODULE_UART, 0) /* USART2: PA14/PA15 */ -ALTERNATE(PIN_MASK(B, 0x0C00), 4, MODULE_USART, 0) /* USART3: PB10/PB11 */ -ALTERNATE(PIN_MASK(C, 0x0C00), 0, MODULE_USART, 0) /* USART4: PC10/PC11 */ diff --git a/board/discovery-stm32f072/openocd-flash.cfg b/board/discovery-stm32f072/openocd-flash.cfg deleted file mode 100644 index ec32416934..0000000000 --- a/board/discovery-stm32f072/openocd-flash.cfg +++ /dev/null @@ -1,19 +0,0 @@ -# Copyright 2014 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. - -source [find board/stm32f0discovery.cfg] - -# For flashing, force the board into reset on connect, this ensures that -# code running on the core can't interfere with programming. -reset_config connect_assert_srst - -gdb_port 0 -tcl_port 0 -telnet_port 0 -init -reset init -flash write_image erase $BUILD_DIR/ec.bin 0x08000000 -reset halt -resume -shutdown |