qupv3_uart.c File Reference

#include <assert.h>
#include <boot/coreboot_tables.h>
#include <console/uart.h>
#include <soc/clock.h>
#include <soc/qcom_qup_se.h>
#include <soc/qup_se_handlers_common.h>
#include <soc/qupv3_config_common.h>
#include <types.h>

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Macros
#define	GENI_STATUS_M_GENI_CMD_ACTIVE_MASK   0x1
#define	GENI_STATUS_S_GENI_CMD_ACTIVE_MASK   0x1000
#define	UART_TX_WATERMARK_MARGIN   4 /* Represented in words */
#define	UART_RX_WATERMARK_MARGIN   8 /* Represented in words */
#define	UART_RX_RFR_WATERMARK_MARGIN   4 /* Represented in words */
#define	UART_TX_BITS_PER_WORD   8
#define	UART_RX_BITS_PER_WORD   8
#define	START_UART_TX   0x8000000
#define	START_UART_RX   0x8000000
#define	UART_TX_PACK_VECTOR0   0x0E
#define	UART_TX_PACK_VECTOR1   0x10E
#define	UART_TX_PACK_VECTOR2   0x20E
#define	UART_TX_PACK_VECTOR3   0x30F
#define	UART_RX_PACK_VECTOR0   0xF
#define	UART_RX_PACK_VECTOR2   0x00

Functions
void	uart_tx_flush (unsigned int idx)
void	uart_init (unsigned int idx)
unsigned char	uart_rx_byte (unsigned int idx)
void	uart_tx_byte (unsigned int idx, unsigned char data)
uintptr_t	uart_platform_base (unsigned int idx)
void	uart_fill_lb (void *data)

Macro Definition Documentation

GENI_STATUS_M_GENI_CMD_ACTIVE_MASK

#define GENI_STATUS_M_GENI_CMD_ACTIVE_MASK   0x1

Definition at line 14 of file qupv3_uart.c.

GENI_STATUS_S_GENI_CMD_ACTIVE_MASK

#define GENI_STATUS_S_GENI_CMD_ACTIVE_MASK   0x1000

Definition at line 15 of file qupv3_uart.c.

START_UART_RX

#define START_UART_RX   0x8000000

Definition at line 23 of file qupv3_uart.c.

START_UART_TX

#define START_UART_TX   0x8000000

Definition at line 22 of file qupv3_uart.c.

UART_RX_BITS_PER_WORD

#define UART_RX_BITS_PER_WORD   8

Definition at line 21 of file qupv3_uart.c.

UART_RX_PACK_VECTOR0

#define UART_RX_PACK_VECTOR0   0xF

Definition at line 35 of file qupv3_uart.c.

UART_RX_PACK_VECTOR2

#define UART_RX_PACK_VECTOR2   0x00

Definition at line 36 of file qupv3_uart.c.

UART_RX_RFR_WATERMARK_MARGIN

#define UART_RX_RFR_WATERMARK_MARGIN   4 /* Represented in words */

Definition at line 19 of file qupv3_uart.c.

UART_RX_WATERMARK_MARGIN

#define UART_RX_WATERMARK_MARGIN   8 /* Represented in words */

Definition at line 18 of file qupv3_uart.c.

UART_TX_BITS_PER_WORD

#define UART_TX_BITS_PER_WORD   8

Definition at line 20 of file qupv3_uart.c.

UART_TX_PACK_VECTOR0

#define UART_TX_PACK_VECTOR0   0x0E

Definition at line 27 of file qupv3_uart.c.

UART_TX_PACK_VECTOR1

#define UART_TX_PACK_VECTOR1   0x10E

Definition at line 29 of file qupv3_uart.c.

UART_TX_PACK_VECTOR2

#define UART_TX_PACK_VECTOR2   0x20E

Definition at line 31 of file qupv3_uart.c.

UART_TX_PACK_VECTOR3

#define UART_TX_PACK_VECTOR3   0x30F

Definition at line 33 of file qupv3_uart.c.

UART_TX_WATERMARK_MARGIN

#define UART_TX_WATERMARK_MARGIN   4 /* Represented in words */

Definition at line 17 of file qupv3_uart.c.

Function Documentation

uart_fill_lb()

void uart_fill_lb

(

void *

data

)

Definition at line 143 of file qupv3_uart.c.

References get_uart_baudrate(), lb_add_serial(), LB_SERIAL_TYPE_MEMORY_MAPPED, serial, SRC_XO_HZ, and uart_platform_base().

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uart_init()

void uart_init

(

unsigned int

idx

)

Definition at line 47 of file qupv3_uart.c.

References assert, clock_enable_qup(), DIV_ROUND_CLOSEST, FIFO, FIFO_DEPTH, GENI_FW_REVISION_RO_PROTOCOL_MASK, GENI_FW_REVISION_RO_PROTOCOL_SHIFT, GENI_STATUS_S_GENI_CMD_ACTIVE_MASK, get_uart_baudrate(), GPIO_2MA, gpio_configure(), GPIO_INPUT, GPIO_OUTPUT, GPIO_PULL_UP, qupv3_se_fw_load_and_init(), read32(), qup::regs, SE_PROTOCOL_UART, SRC_XO_HZ, START_UART_RX, UART_RX_BITS_PER_WORD, UART_RX_PACK_VECTOR0, UART_RX_PACK_VECTOR2, UART_RX_RFR_WATERMARK_MARGIN, UART_RX_WATERMARK_MARGIN, UART_TX_BITS_PER_WORD, UART_TX_PACK_VECTOR0, UART_TX_PACK_VECTOR1, UART_TX_PACK_VECTOR2, UART_TX_PACK_VECTOR3, UART_TX_WATERMARK_MARGIN, and write32().

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uart_platform_base()

uintptr_t uart_platform_base

(

unsigned int

idx

)

Definition at line 138 of file qupv3_uart.c.

References qup::regs.

Referenced by uart_fill_lb().

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uart_rx_byte()

unsigned char uart_rx_byte

(

unsigned int

idx

)

Definition at line 117 of file qupv3_uart.c.

References read32(), qup::regs, and RX_FIFO_WC_MSK.

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uart_tx_byte()

void uart_tx_byte	(	unsigned int	idx,
		unsigned char	data
	)

Definition at line 126 of file qupv3_uart.c.

References qup::regs, START_UART_TX, uart_tx_flush(), and write32().

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uart_tx_flush()

void uart_tx_flush

(

unsigned int

idx

)

Definition at line 38 of file qupv3_uart.c.

References GENI_STATUS_M_GENI_CMD_ACTIVE_MASK, read32(), and qup::regs.

Referenced by uart_tx_byte().

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