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drivers: serial: nrf: Serial driver modification to use DT

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1. dts.fixup files updated with peripheral address and IRQ NUMBER.
2. Peripheral address is taken from DT.
3. IRQ number is taken from DT.

Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>
This commit is contained in:
Jakub Rzeszutko 2018-07-11 14:11:18 +02:00 • committed by Carles Cufí
commit f0de6e06f8
4 changed files with 77 additions and 67 deletions
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2
arch/arm/soc/nordic_nrf/nrf51/dts.fixup
View file

@ -1,7 +1,9 @@
/* SoC level DTS fixup file */
#define CONFIG_NUM_IRQ_PRIO_BITS ARM_V6M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
#define CONFIG_UART_0_BASE NORDIC_NRF_UART_40002000_BASE_ADDRESS
#define CONFIG_UART_0_IRQ_PRI NORDIC_NRF_UART_40002000_IRQ_0_PRIORITY
#define CONFIG_UART_0_IRQ_NUM NORDIC_NRF_UART_40002000_IRQ_0
#define CONFIG_UART_0_BAUD_RATE NORDIC_NRF_UART_40002000_CURRENT_SPEED
#define CONFIG_UART_0_NAME NORDIC_NRF_UART_40002000_LABEL

6
arch/arm/soc/nordic_nrf/nrf52/dts.fixup
View file

@ -2,16 +2,22 @@
#define CONFIG_NUM_IRQ_PRIO_BITS ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
#if defined(NORDIC_NRF_UARTE_40002000_BASE_ADDRESS)
#define CONFIG_UART_0_BASE NORDIC_NRF_UARTE_40002000_BASE_ADDRESS
#define CONFIG_UART_0_IRQ_PRI NORDIC_NRF_UARTE_40002000_IRQ_0_PRIORITY
#define CONFIG_UART_0_IRQ_NUM NORDIC_NRF_UARTE_40002000_IRQ_0
#define CONFIG_UART_0_BAUD_RATE NORDIC_NRF_UARTE_40002000_CURRENT_SPEED
#define CONFIG_UART_0_NAME NORDIC_NRF_UARTE_40002000_LABEL
#else
#define CONFIG_UART_0_BASE NORDIC_NRF_UART_40002000_BASE_ADDRESS
#define CONFIG_UART_0_IRQ_PRI NORDIC_NRF_UART_40002000_IRQ_0_PRIORITY
#define CONFIG_UART_0_IRQ_NUM NORDIC_NRF_UART_40002000_IRQ_0
#define CONFIG_UART_0_BAUD_RATE NORDIC_NRF_UART_40002000_CURRENT_SPEED
#define CONFIG_UART_0_NAME NORDIC_NRF_UART_40002000_LABEL
#endif
#define CONFIG_UART_1_BASE NORDIC_NRF_UARTE_40028000_BASE_ADDRESS
#define CONFIG_UART_1_IRQ_PRI NORDIC_NRF_UARTE_40028000_IRQ_0_PRIORITY
#define CONFIG_UART_1_IRQ_NUM NORDIC_NRF_UARTE_40028000_IRQ_0
#define CONFIG_UART_1_BAUD_RATE NORDIC_NRF_UARTE_40028000_CURRENT_SPEED
#define CONFIG_UART_1_NAME NORDIC_NRF_UARTE_40028000_LABEL

67
drivers/serial/uart_nrfx_uart.c
View file

@ -13,6 +13,8 @@
#include <hal/nrf_gpio.h>
static NRF_UART_Type *const uart0_addr = (NRF_UART_Type *)CONFIG_UART_0_BASE;
#ifdef CONFIG_UART_0_INTERRUPT_DRIVEN
static uart_irq_callback_t irq_callback; /**< Callback function pointer */
@ -29,7 +31,7 @@ static volatile u8_t uart_sw_event_txdrdy;
static bool event_txdrdy_check(void)
{
return (nrf_uart_event_check(NRF_UART0, NRF_UART_EVENT_TXDRDY)
return (nrf_uart_event_check(uart0_addr, NRF_UART_EVENT_TXDRDY)
#ifdef CONFIG_UART_0_INTERRUPT_DRIVEN
|| uart_sw_event_txdrdy
#endif
@ -38,7 +40,7 @@ static bool event_txdrdy_check(void)
static void event_txdrdy_clear(void)
{
nrf_uart_event_clear(NRF_UART0, NRF_UART_EVENT_TXDRDY);
nrf_uart_event_clear(uart0_addr, NRF_UART_EVENT_TXDRDY);
#ifdef CONFIG_UART_0_INTERRUPT_DRIVEN
uart_sw_event_txdrdy = 0;
#endif
@ -127,7 +129,7 @@ static int baudrate_set(struct device *dev, u32_t baudrate)
return -EINVAL;
}
nrf_uart_baudrate_set(NRF_UART0, nrf_baudrate);
nrf_uart_baudrate_set(uart0_addr, nrf_baudrate);
return 0;
}
@ -143,15 +145,15 @@ static int baudrate_set(struct device *dev, u32_t baudrate)
static int uart_nrfx_poll_in(struct device *dev, unsigned char *c)
{
if (!nrf_uart_event_check(NRF_UART0, NRF_UART_EVENT_RXDRDY)) {
if (!nrf_uart_event_check(uart0_addr, NRF_UART_EVENT_RXDRDY)) {
return -1;
}
/* Clear the interrupt */
nrf_uart_event_clear(NRF_UART0, NRF_UART_EVENT_RXDRDY);
nrf_uart_event_clear(uart0_addr, NRF_UART_EVENT_RXDRDY);
/* got a character */
*c = nrf_uart_rxd_get(NRF_UART0);
*c = nrf_uart_rxd_get(uart0_addr);
return 0;
}
@ -182,7 +184,7 @@ static unsigned char uart_nrfx_poll_out(struct device *dev,
event_txdrdy_clear();
/* send a character */
nrf_uart_txd_set(NRF_UART0, (u8_t)c);
nrf_uart_txd_set(uart0_addr, (u8_t)c);
/* Wait for transmitter to be ready */
while (!event_txdrdy_check()) {
@ -196,9 +198,9 @@ static int uart_nrfx_err_check(struct device *dev)
{
u32_t error = 0;
if (nrf_uart_event_check(NRF_UART0, NRF_UART_EVENT_ERROR)) {
if (nrf_uart_event_check(uart0_addr, NRF_UART_EVENT_ERROR)) {
/* register bitfields maps to the defines in uart.h */
error = nrf_uart_errorsrc_get_and_clear(NRF_UART0);
error = nrf_uart_errorsrc_get_and_clear(uart0_addr);
}
return error;
@ -221,7 +223,7 @@ static int uart_nrfx_fifo_fill(struct device *dev,
event_txdrdy_clear();
/* Send a character */
nrf_uart_txd_set(NRF_UART0, (u8_t)tx_data[num_tx++]);
nrf_uart_txd_set(uart0_addr, (u8_t)tx_data[num_tx++]);
}
return (int)num_tx;
@ -235,12 +237,12 @@ static int uart_nrfx_fifo_read(struct device *dev,
u8_t num_rx = 0;
while ((size - num_rx > 0) &&
nrf_uart_event_check(NRF_UART0, NRF_UART_EVENT_RXDRDY)) {
nrf_uart_event_check(uart0_addr, NRF_UART_EVENT_RXDRDY)) {
/* Clear the interrupt */
nrf_uart_event_clear(NRF_UART0, NRF_UART_EVENT_RXDRDY);
nrf_uart_event_clear(uart0_addr, NRF_UART_EVENT_RXDRDY);
/* Receive a character */
rx_data[num_rx++] = (u8_t)nrf_uart_rxd_get(NRF_UART0);
rx_data[num_rx++] = (u8_t)nrf_uart_rxd_get(uart0_addr);
}
return num_rx;
@ -251,7 +253,7 @@ static void uart_nrfx_irq_tx_enable(struct device *dev)
{
u32_t key;
nrf_uart_int_enable(NRF_UART0, NRF_UART_INT_MASK_TXDRDY);
nrf_uart_int_enable(uart0_addr, NRF_UART_INT_MASK_TXDRDY);
/* Critical section is used to avoid any UART related interrupt which
* can occur after the if statement and before call of the function
@ -262,7 +264,7 @@ static void uart_nrfx_irq_tx_enable(struct device *dev)
/* Due to HW limitation first TXDRDY interrupt shall be
* triggered by the software.
*/
NVIC_SetPendingIRQ(NRFX_IRQ_NUMBER_GET(NRF_UART0));
NVIC_SetPendingIRQ(CONFIG_UART_0_IRQ_NUM);
}
irq_unlock(key);
}
@ -270,19 +272,19 @@ static void uart_nrfx_irq_tx_enable(struct device *dev)
/** Interrupt driven transfer disabling function */
static void uart_nrfx_irq_tx_disable(struct device *dev)
{
nrf_uart_int_disable(NRF_UART0, NRF_UART_INT_MASK_TXDRDY);
nrf_uart_int_disable(uart0_addr, NRF_UART_INT_MASK_TXDRDY);
}
/** Interrupt driven receiver enabling function */
static void uart_nrfx_irq_rx_enable(struct device *dev)
{
nrf_uart_int_enable(NRF_UART0, NRF_UART_INT_MASK_RXDRDY);
nrf_uart_int_enable(uart0_addr, NRF_UART_INT_MASK_RXDRDY);
}
/** Interrupt driven receiver disabling function */
static void uart_nrfx_irq_rx_disable(struct device *dev)
{
nrf_uart_int_disable(NRF_UART0, NRF_UART_INT_MASK_RXDRDY);
nrf_uart_int_disable(uart0_addr, NRF_UART_INT_MASK_RXDRDY);
}
/** Interrupt driven transfer empty function */
@ -294,29 +296,29 @@ static int uart_nrfx_irq_tx_ready_complete(struct device *dev)
/** Interrupt driven receiver ready function */
static int uart_nrfx_irq_rx_ready(struct device *dev)
{
return nrf_uart_event_check(NRF_UART0, NRF_UART_EVENT_RXDRDY);
return nrf_uart_event_check(uart0_addr, NRF_UART_EVENT_RXDRDY);
}
/** Interrupt driven error enabling function */
static void uart_nrfx_irq_err_enable(struct device *dev)
{
nrf_uart_int_enable(NRF_UART0, NRF_UART_INT_MASK_ERROR);
nrf_uart_int_enable(uart0_addr, NRF_UART_INT_MASK_ERROR);
}
/** Interrupt driven error disabling function */
static void uart_nrfx_irq_err_disable(struct device *dev)
{
nrf_uart_int_disable(NRF_UART0, NRF_UART_INT_MASK_ERROR);
nrf_uart_int_disable(uart0_addr, NRF_UART_INT_MASK_ERROR);
}
/** Interrupt driven pending status function */
static int uart_nrfx_irq_is_pending(struct device *dev)
{
return ((nrf_uart_int_enable_check(NRF_UART0,
return ((nrf_uart_int_enable_check(uart0_addr,
NRF_UART_INT_MASK_TXDRDY) &&
event_txdrdy_check())
||
(nrf_uart_int_enable_check(NRF_UART0,
(nrf_uart_int_enable_check(uart0_addr,
NRF_UART_INT_MASK_RXDRDY) &&
uart_nrfx_irq_rx_ready(dev)));
}
@ -378,7 +380,7 @@ static int uart_nrfx_init(struct device *dev)
nrf_gpio_cfg_input(CONFIG_UART_0_NRF_RX_PIN, NRF_GPIO_PIN_NOPULL);
nrf_uart_txrx_pins_set(NRF_UART0,
nrf_uart_txrx_pins_set(uart0_addr,
CONFIG_UART_0_NRF_TX_PIN,
CONFIG_UART_0_NRF_RX_PIN);
@ -391,12 +393,12 @@ static int uart_nrfx_init(struct device *dev)
nrf_gpio_cfg_input(CONFIG_UART_0_NRF_CTS_PIN, NRF_GPIO_PIN_NOPULL);
nrf_uart_hwfc_pins_set(NRF_UART0,
nrf_uart_hwfc_pins_set(uart0_addr,
CONFIG_UART_0_NRF_RTS_PIN,
CONFIG_UART_0_NRF_CTS_PIN);
#endif /* CONFIG_UART_0_NRF_FLOW_CONTROL */
nrf_uart_configure(NRF_UART0,
nrf_uart_configure(uart0_addr,
#ifdef CONFIG_UART_0_NRF_PARITY_BIT
NRF_UART_PARITY_INCLUDED,
#else
@ -415,12 +417,12 @@ static int uart_nrfx_init(struct device *dev)
}
/* Enable receiver and transmitter */
nrf_uart_enable(NRF_UART0);
nrf_uart_enable(uart0_addr);
nrf_uart_event_clear(NRF_UART0, NRF_UART_EVENT_RXDRDY);
nrf_uart_event_clear(uart0_addr, NRF_UART_EVENT_RXDRDY);
nrf_uart_task_trigger(NRF_UART0, NRF_UART_TASK_STARTTX);
nrf_uart_task_trigger(NRF_UART0, NRF_UART_TASK_STARTRX);
nrf_uart_task_trigger(uart0_addr, NRF_UART_TASK_STARTTX);
nrf_uart_task_trigger(uart0_addr, NRF_UART_TASK_STARTRX);
#ifdef CONFIG_UART_0_INTERRUPT_DRIVEN
@ -429,12 +431,12 @@ static int uart_nrfx_init(struct device *dev)
*/
uart_sw_event_txdrdy = 1;
IRQ_CONNECT(NRFX_IRQ_NUMBER_GET(NRF_UART0),
IRQ_CONNECT(CONFIG_UART_0_IRQ_NUM,
CONFIG_UART_0_IRQ_PRI,
uart_nrfx_isr,
DEVICE_GET(uart_nrfx_uart0),
0);
irq_enable(NRFX_IRQ_NUMBER_GET(NRF_UART0));
irq_enable(CONFIG_UART_0_IRQ_NUM);
#endif
return 0;
@ -474,3 +476,4 @@ DEVICE_AND_API_INIT(uart_nrfx_uart0,
PRE_KERNEL_1,
CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
&uart_nrfx_uart_driver_api);

69
drivers/serial/uart_nrfx_uarte.c
View file

@ -483,9 +483,6 @@ static int uarte_instance_init(struct device *dev,
#if UARTE_INTERRUPT_DRIVEN
if (interrupts_active) {
irq_enable(NRFX_IRQ_NUMBER_GET(uarte));
/* Set ENDTX event by requesting fake (zero-length) transfer.
* Pointer to RAM variable (data->tx_buffer) is set because
* otherwise such operation may result in HardFault or RAM
@ -502,37 +499,37 @@ static int uarte_instance_init(struct device *dev,
return 0;
}
#define UART_NRF_UARTE_DEVICE(idx) \
DEVICE_DECLARE(uart_nrfx_uarte##idx); \
UARTE_##idx##_CREATE_TX_BUFF; \
static struct uarte_nrfx_data uarte_##idx##_data = { \
UARTE_##idx##_DATA_INIT \
}; \
static const struct uarte_nrfx_config uarte_##idx##_config = { \
.uarte_regs = (NRF_UARTE_Type *)NRF_UARTE##idx, \
UARTE_##idx##_CONFIG_INIT \
}; \
static int uarte_##idx##_init(struct device *dev) \
{ \
const struct uarte_init_config init_config = { \
.pseltxd = CONFIG_UART_##idx##_NRF_TX_PIN, \
.pselrxd = CONFIG_UART_##idx##_NRF_RX_PIN, \
UARTE_##idx##_NRF_HWFC_CONFIG \
.parity = UARTE_##idx##_NRF_PARITY_BIT, \
.baudrate = CONFIG_UART_##idx##_BAUD_RATE \
}; \
UARTE_##idx##_INTERRUPTS_INIT(); \
return uarte_instance_init(dev, \
&init_config, \
UARTE_##idx##_INTERRUPT_DRIVEN); \
} \
DEVICE_AND_API_INIT(uart_nrfx_uarte##idx, \
CONFIG_UART_##idx##_NAME, \
uarte_##idx##_init, \
&uarte_##idx##_data, \
&uarte_##idx##_config, \
PRE_KERNEL_1, \
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
#define UART_NRF_UARTE_DEVICE(idx) \
DEVICE_DECLARE(uart_nrfx_uarte##idx); \
UARTE_##idx##_CREATE_TX_BUFF; \
static struct uarte_nrfx_data uarte_##idx##_data = { \
UARTE_##idx##_DATA_INIT \
}; \
static const struct uarte_nrfx_config uarte_##idx##_config = { \
.uarte_regs = (NRF_UARTE_Type *)CONFIG_UART_##idx##_BASE, \
UARTE_##idx##_CONFIG_INIT \
}; \
static int uarte_##idx##_init(struct device *dev) \
{ \
const struct uarte_init_config init_config = { \
.pseltxd = CONFIG_UART_##idx##_NRF_TX_PIN, \
.pselrxd = CONFIG_UART_##idx##_NRF_RX_PIN, \
UARTE_##idx##_NRF_HWFC_CONFIG \
.parity = UARTE_##idx##_NRF_PARITY_BIT, \
.baudrate = CONFIG_UART_##idx##_BAUD_RATE \
}; \
UARTE_##idx##_INTERRUPTS_INIT(); \
return uarte_instance_init(dev, \
&init_config, \
UARTE_##idx##_INTERRUPT_DRIVEN); \
} \
DEVICE_AND_API_INIT(uart_nrfx_uarte##idx, \
CONFIG_UART_##idx##_NAME, \
uarte_##idx##_init, \
&uarte_##idx##_data, \
&uarte_##idx##_config, \
PRE_KERNEL_1, \
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
&uart_nrfx_uarte_driver_api)
#define UARTE_NRF_HWFC_ENABLED(idx) \
@ -549,7 +546,8 @@ static int uarte_instance_init(struct device *dev,
CONFIG_UART_##idx##_IRQ_PRI, \
uarte_nrfx_isr, \
DEVICE_GET(uart_nrfx_uarte##idx), \
0)
0); \
irq_enable(CONFIG_UART_##idx##_IRQ_NUM)
#define UARTE_TX_BUFFER_SIZE(idx) \
CONFIG_UART_##idx##_NRF_TX_BUFFER_SIZE < \
@ -626,3 +624,4 @@ static int uarte_instance_init(struct device *dev,
UART_NRF_UARTE_DEVICE(1);
#endif /* CONFIG_UART_1_NRF_UARTE */