diff options
Diffstat (limited to 'nuttx/arch/arm/src/tiva/tiva_lowputc.c')
| -rw-r--r-- | nuttx/arch/arm/src/tiva/tiva_lowputc.c | 178 |
1 files changed, 89 insertions, 89 deletions
diff --git a/nuttx/arch/arm/src/tiva/tiva_lowputc.c b/nuttx/arch/arm/src/tiva/tiva_lowputc.c index 2fb570216..b0860a8e5 100644 --- a/nuttx/arch/arm/src/tiva/tiva_lowputc.c +++ b/nuttx/arch/arm/src/tiva/tiva_lowputc.c @@ -59,82 +59,82 @@ /* Select UART parameters for the selected console */ #if defined(CONFIG_UART0_SERIAL_CONSOLE) -# define LM_CONSOLE_BASE LM_UART0_BASE -# define LM_CONSOLE_BAUD CONFIG_UART0_BAUD -# define LM_CONSOLE_BITS CONFIG_UART0_BITS -# define LM_CONSOLE_PARITY CONFIG_UART0_PARITY -# define LM_CONSOLE_2STOP CONFIG_UART0_2STOP +# define TIVA_CONSOLE_BASE TIVA_UART0_BASE +# define TIVA_CONSOLE_BAUD CONFIG_UART0_BAUD +# define TIVA_CONSOLE_BITS CONFIG_UART0_BITS +# define TIVA_CONSOLE_PARITY CONFIG_UART0_PARITY +# define TIVA_CONSOLE_2STOP CONFIG_UART0_2STOP #elif defined(CONFIG_UART1_SERIAL_CONSOLE) -# define LM_CONSOLE_BASE LM_UART1_BASE -# define LM_CONSOLE_BAUD CONFIG_UART1_BAUD -# define LM_CONSOLE_BITS CONFIG_UART1_BITS -# define LM_CONSOLE_PARITY CONFIG_UART1_PARITY -# define LM_CONSOLE_2STOP CONFIG_UART1_2STOP +# define TIVA_CONSOLE_BASE TIVA_UART1_BASE +# define TIVA_CONSOLE_BAUD CONFIG_UART1_BAUD +# define TIVA_CONSOLE_BITS CONFIG_UART1_BITS +# define TIVA_CONSOLE_PARITY CONFIG_UART1_PARITY +# define TIVA_CONSOLE_2STOP CONFIG_UART1_2STOP #elif defined(CONFIG_UART2_SERIAL_CONSOLE) -# define LM_CONSOLE_BASE LM_UART2_BASE -# define LM_CONSOLE_BAUD CONFIG_UART2_BAUD -# define LM_CONSOLE_BITS CONFIG_UART2_BITS -# define LM_CONSOLE_PARITY CONFIG_UART2_PARITY -# define LM_CONSOLE_2STOP CONFIG_UART2_2STOP +# define TIVA_CONSOLE_BASE TIVA_UART2_BASE +# define TIVA_CONSOLE_BAUD CONFIG_UART2_BAUD +# define TIVA_CONSOLE_BITS CONFIG_UART2_BITS +# define TIVA_CONSOLE_PARITY CONFIG_UART2_PARITY +# define TIVA_CONSOLE_2STOP CONFIG_UART2_2STOP #elif defined(CONFIG_UART3_SERIAL_CONSOLE) -# define LM_CONSOLE_BASE LM_UART3_BASE -# define LM_CONSOLE_BAUD CONFIG_UART3_BAUD -# define LM_CONSOLE_BITS CONFIG_UART3_BITS -# define LM_CONSOLE_PARITY CONFIG_UART3_PARITY -# define LM_CONSOLE_2STOP CONFIG_UART3_2STOP +# define TIVA_CONSOLE_BASE TIVA_UART3_BASE +# define TIVA_CONSOLE_BAUD CONFIG_UART3_BAUD +# define TIVA_CONSOLE_BITS CONFIG_UART3_BITS +# define TIVA_CONSOLE_PARITY CONFIG_UART3_PARITY +# define TIVA_CONSOLE_2STOP CONFIG_UART3_2STOP #elif defined(CONFIG_UART4_SERIAL_CONSOLE) -# define LM_CONSOLE_BASE LM_UART4_BASE -# define LM_CONSOLE_BAUD CONFIG_UART4_BAUD -# define LM_CONSOLE_BITS CONFIG_UART4_BITS -# define LM_CONSOLE_PARITY CONFIG_UART4_PARITY -# define LM_CONSOLE_2STOP CONFIG_UART4_2STOP +# define TIVA_CONSOLE_BASE TIVA_UART4_BASE +# define TIVA_CONSOLE_BAUD CONFIG_UART4_BAUD +# define TIVA_CONSOLE_BITS CONFIG_UART4_BITS +# define TIVA_CONSOLE_PARITY CONFIG_UART4_PARITY +# define TIVA_CONSOLE_2STOP CONFIG_UART4_2STOP #elif defined(CONFIG_UART5_SERIAL_CONSOLE) -# define LM_CONSOLE_BASE LM_UART5_BASE -# define LM_CONSOLE_BAUD CONFIG_UART5_BAUD -# define LM_CONSOLE_BITS CONFIG_UART5_BITS -# define LM_CONSOLE_PARITY CONFIG_UART5_PARITY -# define LM_CONSOLE_2STOP CONFIG_UART5_2STOP +# define TIVA_CONSOLE_BASE TIVA_UART5_BASE +# define TIVA_CONSOLE_BAUD CONFIG_UART5_BAUD +# define TIVA_CONSOLE_BITS CONFIG_UART5_BITS +# define TIVA_CONSOLE_PARITY CONFIG_UART5_PARITY +# define TIVA_CONSOLE_2STOP CONFIG_UART5_2STOP #elif defined(CONFIG_UART6_SERIAL_CONSOLE) -# define LM_CONSOLE_BASE LM_UART6_BASE -# define LM_CONSOLE_BAUD CONFIG_UART6_BAUD -# define LM_CONSOLE_BITS CONFIG_UART6_BITS -# define LM_CONSOLE_PARITY CONFIG_UART6_PARITY -# define LM_CONSOLE_2STOP CONFIG_UART6_2STOP +# define TIVA_CONSOLE_BASE TIVA_UART6_BASE +# define TIVA_CONSOLE_BAUD CONFIG_UART6_BAUD +# define TIVA_CONSOLE_BITS CONFIG_UART6_BITS +# define TIVA_CONSOLE_PARITY CONFIG_UART6_PARITY +# define TIVA_CONSOLE_2STOP CONFIG_UART6_2STOP #elif defined(CONFIG_UART7_SERIAL_CONSOLE) -# define LM_CONSOLE_BASE LM_UART7_BASE -# define LM_CONSOLE_BAUD CONFIG_UART7_BAUD -# define LM_CONSOLE_BITS CONFIG_UART7_BITS -# define LM_CONSOLE_PARITY CONFIG_UART7_PARITY -# define LM_CONSOLE_2STOP CONFIG_UART7_2STOP +# define TIVA_CONSOLE_BASE TIVA_UART7_BASE +# define TIVA_CONSOLE_BAUD CONFIG_UART7_BAUD +# define TIVA_CONSOLE_BITS CONFIG_UART7_BITS +# define TIVA_CONSOLE_PARITY CONFIG_UART7_PARITY +# define TIVA_CONSOLE_2STOP CONFIG_UART7_2STOP #else # error "No CONFIG_UARTn_SERIAL_CONSOLE Setting" #endif /* Get LCRH settings */ -#if LM_CONSOLE_BITS == 5 +#if TIVA_CONSOLE_BITS == 5 # define UART_LCRH_NBITS UART_LCRH_WLEN_5BITS -#elif LM_CONSOLE_BITS == 6 +#elif TIVA_CONSOLE_BITS == 6 # define UART_LCRH_NBITS UART_LCRH_WLEN_6BITS -#elif LM_CONSOLE_BITS == 7 +#elif TIVA_CONSOLE_BITS == 7 # define UART_LCRH_NBITS UART_LCRH_WLEN_7BITS -#elif LM_CONSOLE_BITS == 8 +#elif TIVA_CONSOLE_BITS == 8 # define UART_LCRH_NBITS UART_LCRH_WLEN_8BITS #else # error "Number of bits not supported" #endif -#if LM_CONSOLE_PARITY == 0 +#if TIVA_CONSOLE_PARITY == 0 # define UART_LCRH_PARITY (0) -#elif LM_CONSOLE_PARITY == 1 +#elif TIVA_CONSOLE_PARITY == 1 # define UART_LCRH_PARITY UART_LCRH_PEN -#elif LM_CONSOLE_PARITY == 2 +#elif TIVA_CONSOLE_PARITY == 2 # define UART_LCRH_PARITY (UART_LCRH_PEN|UART_LCRH_EPS) #else # error "Invalid parity selection" #endif -#if LM_CONSOLE_2STOP != 0 +#if TIVA_CONSOLE_2STOP != 0 # define UART_LCRH_NSTOP UART_LCRH_STP2 #else # define UART_LCRH_NSTOP (0) @@ -174,17 +174,17 @@ * divisor must be followed by a write to the UARTLCRH register for the changes to take effect. ..." */ -#define LM_BRDDEN (16 * LM_CONSOLE_BAUD) -#define LM_BRDI (SYSCLK_FREQUENCY / LM_BRDDEN) -#define LM_REMAINDER (SYSCLK_FREQUENCY - LM_BRDDEN * LM_BRDI) -#define LM_DIVFRAC ((LM_REMAINDER * 64 + (LM_BRDDEN/2)) / LM_BRDDEN) +#define TIVA_BRDDEN (16 * TIVA_CONSOLE_BAUD) +#define TIVA_BRDI (SYSCLK_FREQUENCY / TIVA_BRDDEN) +#define TIVA_REMAINDER (SYSCLK_FREQUENCY - TIVA_BRDDEN * TIVA_BRDI) +#define TIVA_DIVFRAC ((TIVA_REMAINDER * 64 + (TIVA_BRDDEN/2)) / TIVA_BRDDEN) -/* For example: LM_CONSOLE_BAUD = 115,200, SYSCLK_FREQUENCY = 50,000,000: +/* For example: TIVA_CONSOLE_BAUD = 115,200, SYSCLK_FREQUENCY = 50,000,000: * - * LM_BRDDEN = (16 * 115,200) = 1,843,200 - * LM_BRDI = 50,000,000 / 1,843,200 = 27 - * LM_REMAINDER = 50,000,000 - 1,843,200 * 27 = 233,600 - * LM_DIVFRAC = (233,600 * 64 + 921,600) / 1,843,200 = 8 + * TIVA_BRDDEN = (16 * 115,200) = 1,843,200 + * TIVA_BRDI = 50,000,000 / 1,843,200 = 27 + * TIVA_REMAINDER = 50,000,000 - 1,843,200 * 27 = 233,600 + * TIVA_DIVFRAC = (233,600 * 64 + 921,600) / 1,843,200 = 8 * * Which should yied BAUD = 50,000,000 / (16 * (27 + 8/64)) = 115207.37 */ @@ -226,11 +226,11 @@ void up_lowputc(char ch) #ifdef HAVE_SERIAL_CONSOLE /* Wait until the TX FIFO is not full */ - while ((getreg32(LM_CONSOLE_BASE+LM_UART_FR_OFFSET) & UART_FR_TXFF) != 0); + while ((getreg32(TIVA_CONSOLE_BASE+TIVA_UART_FR_OFFSET) & UART_FR_TXFF) != 0); /* Then send the character */ - putreg32((uint32_t)ch, LM_CONSOLE_BASE+LM_UART_DR_OFFSET); + putreg32((uint32_t)ch, TIVA_CONSOLE_BASE+TIVA_UART_DR_OFFSET); #endif } @@ -256,73 +256,73 @@ void up_lowsetup(void) * this pin configuration -- whether or not a serial console is selected. */ -#ifdef CONFIG_LM_UART0 - regval = getreg32(LM_SYSCON_RCGC1); +#ifdef CONFIG_TIVA_UART0 + regval = getreg32(TIVA_SYSCON_RCGC1); regval |= SYSCON_RCGC1_UART0; - putreg32(regval, LM_SYSCON_RCGC1); + putreg32(regval, TIVA_SYSCON_RCGC1); tiva_configgpio(GPIO_UART0_RX); tiva_configgpio(GPIO_UART0_TX); #endif -#ifdef CONFIG_LM_UART1 - regval = getreg32(LM_SYSCON_RCGC1); +#ifdef CONFIG_TIVA_UART1 + regval = getreg32(TIVA_SYSCON_RCGC1); regval |= SYSCON_RCGC1_UART1; - putreg32(regval, LM_SYSCON_RCGC1); + putreg32(regval, TIVA_SYSCON_RCGC1); tiva_configgpio(GPIO_UART1_RX); tiva_configgpio(GPIO_UART1_TX); #endif -#ifdef CONFIG_LM_UART2 - regval = getreg32(LM_SYSCON_RCGC1); +#ifdef CONFIG_TIVA_UART2 + regval = getreg32(TIVA_SYSCON_RCGC1); regval |= SYSCON_RCGC1_UART2; - putreg32(regval, LM_SYSCON_RCGC1); + putreg32(regval, TIVA_SYSCON_RCGC1); tiva_configgpio(GPIO_UART2_RX); tiva_configgpio(GPIO_UART2_TX); #endif -#ifdef CONFIG_LM_UART3 - regval = getreg32(LM_SYSCON_RCGCUART); +#ifdef CONFIG_TIVA_UART3 + regval = getreg32(TIVA_SYSCON_RCGCUART); regval |= SYSCON_RCGCUART_R3; - putreg32(regval, LM_SYSCON_RCGCUART); + putreg32(regval, TIVA_SYSCON_RCGCUART); tiva_configgpio(GPIO_UART3_RX); tiva_configgpio(GPIO_UART3_TX); #endif -#ifdef CONFIG_LM_UART4 - regval = getreg32(LM_SYSCON_RCGCUART); +#ifdef CONFIG_TIVA_UART4 + regval = getreg32(TIVA_SYSCON_RCGCUART); regval |= SYSCON_RCGCUART_R4; - putreg32(regval, LM_SYSCON_RCGCUART); + putreg32(regval, TIVA_SYSCON_RCGCUART); tiva_configgpio(GPIO_UART4_RX); tiva_configgpio(GPIO_UART4_TX); #endif -#ifdef CONFIG_LM_UART5 - regval = getreg32(LM_SYSCON_RCGCUART); +#ifdef CONFIG_TIVA_UART5 + regval = getreg32(TIVA_SYSCON_RCGCUART); regval |= SYSCON_RCGCUART_R5; - putreg32(regval, LM_SYSCON_RCGCUART); + putreg32(regval, TIVA_SYSCON_RCGCUART); tiva_configgpio(GPIO_UART5_RX); tiva_configgpio(GPIO_UART5_TX); #endif -#ifdef CONFIG_LM_UART6 - regval = getreg32(LM_SYSCON_RCGCUART); +#ifdef CONFIG_TIVA_UART6 + regval = getreg32(TIVA_SYSCON_RCGCUART); regval |= SYSCON_RCGCUART_R6; - putreg32(regval, LM_SYSCON_RCGCUART); + putreg32(regval, TIVA_SYSCON_RCGCUART); tiva_configgpio(GPIO_UART6_RX); tiva_configgpio(GPIO_UART6_TX); #endif -#ifdef CONFIG_LM_UART7 - regval = getreg32(LM_SYSCON_RCGCUART); +#ifdef CONFIG_TIVA_UART7 + regval = getreg32(TIVA_SYSCON_RCGCUART); regval |= SYSCON_RCGCUART_R7; - putreg32(regval, LM_SYSCON_RCGCUART); + putreg32(regval, TIVA_SYSCON_RCGCUART); tiva_configgpio(GPIO_UART7_RX); tiva_configgpio(GPIO_UART7_TX); @@ -333,25 +333,25 @@ void up_lowsetup(void) #if defined(HAVE_SERIAL_CONSOLE) && !defined(CONFIG_SUPPRESS_UART_CONFIG) /* Disable the UART by clearing the UARTEN bit in the UART CTL register */ - ctl = getreg32(LM_CONSOLE_BASE+LM_UART_CTL_OFFSET); + ctl = getreg32(TIVA_CONSOLE_BASE+TIVA_UART_CTL_OFFSET); ctl &= ~UART_CTL_UARTEN; - putreg32(ctl, LM_CONSOLE_BASE+LM_UART_CTL_OFFSET); + putreg32(ctl, TIVA_CONSOLE_BASE+TIVA_UART_CTL_OFFSET); /* Write the integer portion of the BRD to the UART IBRD register */ - putreg32(LM_BRDI, LM_CONSOLE_BASE+LM_UART_IBRD_OFFSET); + putreg32(TIVA_BRDI, TIVA_CONSOLE_BASE+TIVA_UART_IBRD_OFFSET); /* Write the fractional portion of the BRD to the UART FBRD register */ - putreg32(LM_DIVFRAC, LM_CONSOLE_BASE+LM_UART_FBRD_OFFSET); + putreg32(TIVA_DIVFRAC, TIVA_CONSOLE_BASE+TIVA_UART_FBRD_OFFSET); /* Write the desired serial parameters to the UART LCRH register */ - putreg32(UART_LCRH_VALUE, LM_CONSOLE_BASE+LM_UART_LCRH_OFFSET); + putreg32(UART_LCRH_VALUE, TIVA_CONSOLE_BASE+TIVA_UART_LCRH_OFFSET); /* Enable the UART by setting the UARTEN bit in the UART CTL register */ ctl |= (UART_CTL_UARTEN|UART_CTL_TXE|UART_CTL_RXE); - putreg32(ctl, LM_CONSOLE_BASE+LM_UART_CTL_OFFSET); + putreg32(ctl, TIVA_CONSOLE_BASE+TIVA_UART_CTL_OFFSET); #endif } |