diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/altera-cyclone-v/console/console-config.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/altera-cyclone-v/console/console-config.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/c/src/lib/libbsp/arm/altera-cyclone-v/console/console-config.c b/c/src/lib/libbsp/arm/altera-cyclone-v/console/console-config.c deleted file mode 100644 index e4dfec9f62..0000000000 --- a/c/src/lib/libbsp/arm/altera-cyclone-v/console/console-config.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved. - * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <info@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 <rtems/bspIo.h> - -#include <bsp.h> -#include <bsp/irq.h> -#include <bsp/alt_clock_manager.h> -#include <bsp/console-termios.h> -#include <bsp/socal/alt_rstmgr.h> -#include <bsp/socal/socal.h> -#include <bsp/socal/alt_uart.h> -#include <bsp/socal/hps.h> - -#ifdef BSP_USE_UART_INTERRUPTS - #define DEVICE_FNS &ns16550_handler_interrupt -#else - #define DEVICE_FNS &ns16550_handler_polled -#endif - -static uint8_t altera_cyclone_v_uart_get_register(uintptr_t addr, uint8_t i) -{ - volatile uint32_t *reg = (volatile uint32_t *) addr; - - return (uint8_t) reg [i]; -} - -static void altera_cyclone_v_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val) -{ - volatile uint32_t *reg = (volatile uint32_t *) addr; - - reg [i] = val; -} - -static bool altera_cyclone_v_uart_probe( - rtems_termios_device_context *base, - uint32_t uart_set_mask -) -{ - ns16550_context *ctx = (ns16550_context *) base; - bool ret = true; - uint32_t ucr; - ALT_STATUS_CODE sc; - void* location = (void *) ctx->port; - - /* The ALT_CLK_L4_SP is required for all SoCFPGA UARTs. - * Check that it's enabled. */ - if ( alt_clk_is_enabled(ALT_CLK_L4_SP) != ALT_E_TRUE ) { - ret = false; - } - - if ( ret ) { - sc = alt_clk_freq_get(ALT_CLK_L4_SP, &ctx->clock); - if ( sc != ALT_E_SUCCESS ) { - ret = false; - } - } - - if ( ret ) { - // Bring UART out of reset. - alt_clrbits_word(ALT_RSTMGR_PERMODRST_ADDR, uart_set_mask); - - // Verify the UCR (UART Component Version) - ucr = alt_read_word( ALT_UART_UCV_ADDR( location ) ); - if ( ucr != ALT_UART_UCV_UART_COMPONENT_VER_RESET ) { - ret = false; - } - } - - if ( ret ) { - // Write SRR::UR (Shadow Reset Register :: UART Reset) - alt_write_word( ALT_UART_SRR_ADDR( location ), ALT_UART_SRR_UR_SET_MSK ); - - // Read the MSR to work around case:119085. - (void)alt_read_word( ALT_UART_MSR_ADDR( location ) ); - - ret = ns16550_probe( base ); - } - - return ret; -} - -#ifdef CYCLONE_V_CONFIG_CONSOLE -static bool altera_cyclone_v_uart_probe_0(rtems_termios_device_context *base) -{ - return altera_cyclone_v_uart_probe(base, ALT_RSTMGR_PERMODRST_UART0_SET_MSK); -} - -static ns16550_context altera_cyclone_v_uart_context_0 = { - .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 0"), - .get_reg = altera_cyclone_v_uart_get_register, - .set_reg = altera_cyclone_v_uart_set_register, - .port = (uintptr_t) ALT_UART0_ADDR, - .irq = ALT_INT_INTERRUPT_UART0, - .initial_baud = CYCLONE_V_UART_BAUD -}; -#endif - -#ifdef CYCLONE_V_CONFIG_UART_1 -static bool altera_cyclone_v_uart_probe_1(rtems_termios_device_context *base) -{ - return altera_cyclone_v_uart_probe(base, ALT_RSTMGR_PERMODRST_UART1_SET_MSK); -} - -static ns16550_context altera_cyclone_v_uart_context_1 = { - .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"), - .get_reg = altera_cyclone_v_uart_get_register, - .set_reg = altera_cyclone_v_uart_set_register, - .port = (uintptr_t) ALT_UART1_ADDR, - .irq = ALT_INT_INTERRUPT_UART1, - .initial_baud = CYCLONE_V_UART_BAUD -}; -#endif - -const console_device console_device_table[] = { - #ifdef CYCLONE_V_CONFIG_CONSOLE - { - .device_file = "/dev/ttyS0", - .probe = altera_cyclone_v_uart_probe_0, - .handler = DEVICE_FNS, - .context = &altera_cyclone_v_uart_context_0.base - }, - #endif - #ifdef CYCLONE_V_CONFIG_UART_1 - { - .device_file = "/dev/ttyS1", - .probe = altera_cyclone_v_uart_probe_1, - .handler = DEVICE_FNS, - .context = &altera_cyclone_v_uart_context_1.base - }, - #endif -}; - -const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table); - -static void output_char(char c) -{ - rtems_termios_device_context *ctx = console_device_table[0].context; - - ns16550_polled_putchar( ctx, c ); -} - -BSP_output_char_function_type BSP_output_char = output_char; - -BSP_polling_getchar_function_type BSP_poll_char = NULL; |