diff options
Diffstat (limited to 'bsps/arm/lpc32xx/console/console-config.c')
| -rw-r--r-- | bsps/arm/lpc32xx/console/console-config.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/bsps/arm/lpc32xx/console/console-config.c b/bsps/arm/lpc32xx/console/console-config.c new file mode 100644 index 0000000000..17e6b0af8f --- /dev/null +++ b/bsps/arm/lpc32xx/console/console-config.c @@ -0,0 +1,225 @@ +/** + * @file + * + * @ingroup arm_lpc32xx + * + * @brief Console configuration. + */ + +/* + * Copyright (c) 2009-2014 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#include <libchip/ns16550.h> + +#include <bsp.h> +#include <bsp/lpc32xx.h> +#include <bsp/irq.h> +#include <bsp/hsu.h> +#include <bsp/console-termios.h> + +static uint8_t lpc32xx_uart_get_register(uintptr_t addr, uint8_t i) +{ + volatile uint32_t *reg = (volatile uint32_t *) addr; + + return (uint8_t) reg [i]; +} + +static void lpc32xx_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val) +{ + volatile uint32_t *reg = (volatile uint32_t *) addr; + + reg [i] = val; +} + +#ifdef LPC32XX_UART_3_BAUD + static bool lpc32xx_uart_probe_3(rtems_termios_device_context *context) + { + LPC32XX_UARTCLK_CTRL |= BSP_BIT32(0); + LPC32XX_U3CLK = LPC32XX_CONFIG_U3CLK; + LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 4, 5); + + return ns16550_probe(context); + } +#endif + +#ifdef LPC32XX_UART_4_BAUD + static bool lpc32xx_uart_probe_4(rtems_termios_device_context *context) + { + volatile lpc32xx_gpio *gpio = &lpc32xx.gpio; + + /* + * Set GPO_21/U4_TX/LCDVD[3] to U4_TX. This works only if LCD module is + * disabled. + */ + gpio->p2_mux_set = BSP_BIT32(2); + + LPC32XX_UARTCLK_CTRL |= BSP_BIT32(1); + LPC32XX_U4CLK = LPC32XX_CONFIG_U4CLK; + LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 6, 7); + + return ns16550_probe(context); + } +#endif + +#ifdef LPC32XX_UART_6_BAUD + static bool lpc32xx_uart_probe_6(rtems_termios_device_context *context) + { + /* Bypass the IrDA modulator/demodulator */ + LPC32XX_UART_CTRL |= BSP_BIT32(5); + + LPC32XX_UARTCLK_CTRL |= BSP_BIT32(3); + LPC32XX_U6CLK = LPC32XX_CONFIG_U6CLK; + LPC32XX_UART_CLKMODE = BSP_FLD32SET(LPC32XX_UART_CLKMODE, 0x2, 10, 11); + + return ns16550_probe(context); + } +#endif + +/* FIXME: Console selection */ + +#ifdef LPC32XX_UART_5_BAUD +static ns16550_context lpc32xx_uart_context_5 = { + .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 5"), + .get_reg = lpc32xx_uart_get_register, + .set_reg = lpc32xx_uart_set_register, + .port = LPC32XX_BASE_UART_5, + .irq = LPC32XX_IRQ_UART_5, + .clock = 16 * LPC32XX_UART_5_BAUD, + .initial_baud = LPC32XX_UART_5_BAUD +}; +#endif + +#ifdef LPC32XX_UART_3_BAUD +static ns16550_context lpc32xx_uart_context_3 = { + .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 3"), + .get_reg = lpc32xx_uart_get_register, + .set_reg = lpc32xx_uart_set_register, + .port = LPC32XX_BASE_UART_3, + .irq = LPC32XX_IRQ_UART_3, + .clock = 16 * LPC32XX_UART_3_BAUD, + .initial_baud = LPC32XX_UART_3_BAUD +}; +#endif + +#ifdef LPC32XX_UART_4_BAUD +static ns16550_context lpc32xx_uart_context_4 = { + .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 4"), + .get_reg = lpc32xx_uart_get_register, + .set_reg = lpc32xx_uart_set_register, + .port = LPC32XX_BASE_UART_4, + .irq = LPC32XX_IRQ_UART_4, + .clock = 16 * LPC32XX_UART_4_BAUD, + .initial_baud = LPC32XX_UART_4_BAUD +}; +#endif + +#ifdef LPC32XX_UART_6_BAUD +static ns16550_context lpc32xx_uart_context_6 = { + .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 6"), + .get_reg = lpc32xx_uart_get_register, + .set_reg = lpc32xx_uart_set_register, + .port = LPC32XX_BASE_UART_6, + .irq = LPC32XX_IRQ_UART_6, + .clock = 16 * LPC32XX_UART_6_BAUD, + .initial_baud = LPC32XX_UART_6_BAUD +}; +#endif + +#ifdef LPC32XX_UART_1_BAUD +static lpc32xx_hsu_context lpc32xx_uart_context_1 = { + .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"), + .hsu = (volatile lpc32xx_hsu *) LPC32XX_BASE_UART_1, + .irq = LPC32XX_IRQ_UART_1, + .initial_baud = LPC32XX_UART_1_BAUD +}; +#endif + +#ifdef LPC32XX_UART_2_BAUD +static lpc32xx_hsu_context lpc32xx_uart_context_2 = { + .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 2"), + .hsu = (volatile lpc32xx_hsu *) LPC32XX_BASE_UART_2, + .irq = LPC32XX_IRQ_UART_2, + .initial_baud = LPC32XX_UART_2_BAUD +}; +#endif + +#ifdef LPC32XX_UART_7_BAUD +static lpc32xx_hsu_context lpc32xx_uart_context_7 = { + .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 7"), + .hsu = (volatile lpc32xx_hsu *) LPC32XX_BASE_UART_7, + .irq = LPC32XX_IRQ_UART_7, + .initial_baud = LPC32XX_UART_7_BAUD +}; +#endif + +const console_device console_device_table[] = { + #ifdef LPC32XX_UART_5_BAUD + { + .device_file = "/dev/ttyS5", + .probe = console_device_probe_default, + .handler = &ns16550_handler_interrupt, + .context = &lpc32xx_uart_context_5.base + }, + #endif + #ifdef LPC32XX_UART_3_BAUD + { + .device_file = "/dev/ttyS3", + .probe = lpc32xx_uart_probe_3, + .handler = &ns16550_handler_interrupt, + .context = &lpc32xx_uart_context_3.base + }, + #endif + #ifdef LPC32XX_UART_4_BAUD + { + .device_file = "/dev/ttyS4", + .probe = lpc32xx_uart_probe_4, + .handler = &ns16550_handler_interrupt, + .context = &lpc32xx_uart_context_4.base + }, + #endif + #ifdef LPC32XX_UART_6_BAUD + { + .device_file = "/dev/ttyS6", + .probe = lpc32xx_uart_probe_6, + .handler = &ns16550_handler_interrupt, + .context = &lpc32xx_uart_context_6.base + }, + #endif + #ifdef LPC32XX_UART_1_BAUD + { + .device_file = "/dev/ttyS1", + .probe = lpc32xx_hsu_probe, + .handler = &lpc32xx_hsu_fns, + .context = &lpc32xx_uart_context_1.base + }, + #endif + #ifdef LPC32XX_UART_2_BAUD + { + .device_file = "/dev/ttyS2", + .probe = lpc32xx_hsu_probe, + .handler = &lpc32xx_hsu_fns, + .context = &lpc32xx_uart_context_2.base + }, + #endif + #ifdef LPC32XX_UART_7_BAUD + { + .device_file = "/dev/ttyS7", + .probe = lpc32xx_hsu_probe, + .handler = &lpc32xx_hsu_fns, + .context = &lpc32xx_uart_context_7.base + }, + #endif +}; + +const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table); |