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i.MX6: Bring i.MX1 serial driver into i.MX6. Basically the same IP but does not yet compile due to some small differences, missign GPIO configuration logic, and missing clocking logic

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This commit is contained in:
Gregory Nutt 2016-03-03 16:31:56 -06:00
parent bff9eaab1e
commit 16e93f5d41
3 changed files with 1321 additions and 16 deletions
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30
arch/arm/src/imx1/imx_serial.c
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@ -80,19 +80,19 @@
struct up_dev_s
{
uint32_t uartbase; /* Base address of UART registers */
uint32_t baud; /* Configured baud */
uint32_t ucr1; /* Saved UCR1 value */
uint32_t uartbase; /* Base address of UART registers */
uint32_t baud; /* Configured baud */
uint32_t ucr1; /* Saved UCR1 value */
#if defined(CONFIG_ARCH_CHIP_IMX1) || defined(CONFIG_ARCH_CHIP_IMXL)
uint8_t rxirq; /* Rx IRQ associated with this UART */
uint8_t txirq; /* Tx IRQ associated with this UART */
uint8_t rxirq; /* Rx IRQ associated with this UART */
uint8_t txirq; /* Tx IRQ associated with this UART */
#else
uint8_t irq; /* IRQ associated with this UART */
uint8_t irq; /* IRQ associated with this UART */
#endif
uint8_t parity; /* 0=none, 1=odd, 2=even */
uint8_t bits; /* Number of bits (7 or 8) */
uint8_t stopbits2:1; /* 1: Configure with 2 stop bits vs 1 */
uint8_t hwfc:1; /* 1: Hardware flow control */
uint8_t parity; /* 0=none, 1=odd, 2=even */
uint8_t bits; /* Number of bits (7 or 8) */
uint8_t stopbits2:1; /* 1: Configure with 2 stop bits vs 1 */
uint8_t hwfc:1; /* 1: Hardware flow control */
uint8_t reserved:6;
};
@ -157,8 +157,8 @@ static char g_uart2txbuffer[CONFIG_UART2_TXBUFSIZE];
#endif
#ifdef CONFIG_IMX1_UART3
static char g_uart3rxbuffer[CONFIG_UART2_RXBUFSIZE];
static char g_uart3txbuffer[CONFIG_UART2_TXBUFSIZE];
static char g_uart3rxbuffer[CONFIG_UART3_RXBUFSIZE];
static char g_uart3txbuffer[CONFIG_UART3_TXBUFSIZE];
#endif
/* This describes the state of the IMX uart1 port. */
@ -179,7 +179,7 @@ static struct up_dev_s g_uart1priv =
.stopbits2 = CONFIG_UART1_2STOP,
};
static uart_dev_t g_uart1port =
static struct uart_dev_s g_uart1port =
{
.recv =
{
@ -214,7 +214,7 @@ static struct up_dev_s g_uart2priv =
.stopbits2 = CONFIG_UART2_2STOP,
};
static uart_dev_t g_uart2port =
static struct uart_dev_s g_uart2port =
{
.recv =
{
@ -247,7 +247,7 @@ static struct up_dev_s g_uart3priv =
.stopbits2 = CONFIG_UART3_2STOP,
};
static uart_dev_t g_uart3port =
static struct uart_dev_s g_uart3port =
{
.recv =
{

2
arch/arm/src/imx6/Make.defs
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@ -132,4 +132,4 @@ CHIP_ASRCS =
# i.MX6-specific C source files
CHIP_CSRCS = imx_boot.c imx_memorymap.c imx_irq.c
CHIP_CSRCS = imx_boot.c imx_memorymap.c imx_irq.c # imx_serial.c

1305
arch/arm/src/imx6/imx_serial.c Normal file
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