[PATCH v5] Raspberrypi: updated the console interface.
Christian Mauderer
list at c-mauderer.de
Thu Jan 2 15:24:54 UTC 2020
On 02/01/2020 14:24, Niteesh wrote:
> Christian, did you take a look at this?
Not yet. I'm not always reachable during my vacation. This is only hobby
time ;-)
I'll try to take a look soon.
>
> On Wed, 1 Jan, 2020, 2:45 PM G S Niteesh, <gsnb.gn at gmail.com
> <mailto:gsnb.gn at gmail.com>> wrote:
>
> Replaced the older console api with newer FDT based
> console driver.
> Replaces the custom pl011 driver with RTEMS arm-pl011
> driver.
> ---
> bsps/arm/raspberrypi/console/console-config.c | 161 +++++++++++++----
> bsps/arm/raspberrypi/console/console_select.c | 114 ------------
> bsps/arm/raspberrypi/console/fbcons.c | 78 ++++----
> bsps/arm/raspberrypi/console/usart.c | 167 ------------------
> bsps/arm/raspberrypi/include/bsp.h | 4 +
> bsps/arm/raspberrypi/include/bsp/fbcons.h | 21 ++-
> .../arm/raspberrypi/include/bsp/raspberrypi.h | 64 +++----
> bsps/arm/raspberrypi/include/bsp/usart.h | 5 +-
> c/src/lib/libbsp/arm/raspberrypi/Makefile.am | 7 +-
> c/src/lib/libbsp/arm/raspberrypi/configure.ac <http://configure.ac>
> | 13 ++
> 10 files changed, 228 insertions(+), 406 deletions(-)
> delete mode 100644 bsps/arm/raspberrypi/console/console_select.c
> delete mode 100644 bsps/arm/raspberrypi/console/usart.c
>
> diff --git a/bsps/arm/raspberrypi/console/console-config.c
> b/bsps/arm/raspberrypi/console/console-config.c
> index d2186c918b..c47021e54e 100644
> --- a/bsps/arm/raspberrypi/console/console-config.c
> +++ b/bsps/arm/raspberrypi/console/console-config.c
> @@ -19,50 +19,145 @@
> */
>
> #include <rtems/bspIo.h>
> +#include <rtems/console.h>
> +#include <rtems/sysinit.h>
>
> -#include <libchip/serial.h>
>
> -#include <bspopts.h>
> -#include <bsp/irq.h>
> -#include <bsp/usart.h>
> +#include <bsp.h>
> #include <bsp/raspberrypi.h>
> +#include <bsp/usart.h>
> +#include <bsp/arm-pl011.h>
> #include <bsp/fbcons.h>
> +#include <bsp/console-termios.h>
> +#include <bsp/fdt.h>
> +#include <bsp/fatal.h>
> +
> +#include <bspopts.h>
>
> -console_tbl Console_Configuration_Ports [] = {
> - {
> - .sDeviceName = "/dev/ttyS0",
> - .deviceType = SERIAL_CUSTOM,
> - .pDeviceFns = &bcm2835_usart_fns,
> - .deviceProbe = NULL,
> - .pDeviceFlow = NULL,
> - .ulCtrlPort1 = BCM2835_UART0_BASE,
> - .ulCtrlPort2 = 0,
> - .ulClock = USART0_DEFAULT_BAUD,
> - .ulIntVector = BCM2835_IRQ_ID_UART
> - },
> - {
> - .sDeviceName ="/dev/fbcons",
> - .deviceType = SERIAL_CUSTOM,
> - .pDeviceFns = &fbcons_fns,
> - .deviceProbe = fbcons_probe,
> - .pDeviceFlow = NULL,
> - },
> -};
> -
> -#define PORT_COUNT \
> - (sizeof(Console_Configuration_Ports) \
> - / sizeof(Console_Configuration_Ports [0]))
> -
> -unsigned long Console_Configuration_Count = PORT_COUNT;
> +#include <libfdt.h>
> +#include <libchip/serial.h>
> +
> +arm_pl011_context pl011_context;
> +
> +rpi_fb_context fb_context;
> +
> +static void output_char_serial(char c)
> +{
> + arm_pl011_write_polled(&pl011_context.base, c);
> +}
> +
> +void output_char_fb(char c)
> +{
> + fbcons_write_polled(&fb_context.base, c);
> +}
> +
> +
> +static void *get_reg_of_node(const void *fdt, int node)
> +{
> + int len;
> + const uint32_t *val;
> +
> + val = fdt_getprop(fdt, node, "reg", &len);
> + if (val == NULL || len < 4) {
> + return NULL;
> + }
> +
> + return (void *) fdt32_to_cpu(val[0]);
> +}
> +
> +static void init_ctx_arm_pl011(
> + const void *fdt,
> + int node
> +)
> +{
> + arm_pl011_context *ctx = &pl011_context;
> + rtems_termios_device_context_initialize(&ctx->base, "UART");
> + ctx->regs = BUS_TO_PHY(get_reg_of_node(fdt, node));
> +}
> +
> +static void register_fb( void )
> +{
> + if (fbcons_probe(&fb_context.base) == true) {
> + rtems_termios_device_install(
> + "/dev/fbcons",
> + &fbcons_fns,
> + NULL,
> + &fb_context.base);
> + }
> +}
> +
> +static void console_select( const char *console )
> +{
> + const char *opt;
> +
> + opt = rpi_cmdline_get_arg("--console=");
> +
> + if ( opt ) {
> + if ( strncmp( opt, "fbcons", sizeof( "fbcons" ) - 1 ) == 0 ) {
> + if ( rpi_video_is_initialized() > 0 ) {
> + BSP_output_char = output_char_fb;
> + link("/dev/fbcons", CONSOLE_DEVICE_NAME);
> + return ;
> + }
> + }else{
> + if ( console == NULL ){
> + bsp_fatal( BSP_FATAL_CONSOLE_NO_DEV );
> + }
> + link("/dev/ttyuart0", CONSOLE_DEVICE_NAME);
> + }
> + }
> + BSP_output_char = output_char_serial;
> +}
> +
> +static void uart_probe(void)
> +{
> + const void *fdt;
> + const char *console;
> + int node;
> +
> + fdt = bsp_fdt_get();
> + node = fdt_path_offset(fdt, "/chosen");
> +
> + console = fdt_getprop(fdt, node, "stdout-path", NULL);
> +
> + node = fdt_node_offset_by_compatible(fdt, -1, "brcm,bcm2835-pl011");
> + init_ctx_arm_pl011(fdt, node);
> +
> + console_select(console);
> +}
>
> static void output_char(char c)
> {
> - const console_fns *con =
> - Console_Configuration_Ports [Console_Port_Minor].pDeviceFns;
> + uart_probe();
> + (*BSP_output_char)(c);
> +}
>
> - con->deviceWritePolled((int) Console_Port_Minor, c);
> +rtems_status_code console_initialize(
> + rtems_device_major_number major,
> + rtems_device_minor_number minor,
> + void *arg
> +)
> +{
> + rtems_termios_initialize();
> +
> + uart_probe();
> +
> + rtems_termios_device_install( "/dev/ttyuart0",
> + &arm_pl011_fns,
> + NULL,
> + &pl011_context.base
> + );
> + register_fb();
> +
> + return RTEMS_SUCCESSFUL;
> }
>
> BSP_output_char_function_type BSP_output_char = output_char;
>
> BSP_polling_getchar_function_type BSP_poll_char = NULL;
> +
> +RTEMS_SYSINIT_ITEM(
> + uart_probe,
> + RTEMS_SYSINIT_BSP_START,
> + RTEMS_SYSINIT_ORDER_LAST
> +);
> \ No newline at end of file
> diff --git a/bsps/arm/raspberrypi/console/console_select.c
> b/bsps/arm/raspberrypi/console/console_select.c
> deleted file mode 100644
> index bd246ca868..0000000000
> --- a/bsps/arm/raspberrypi/console/console_select.c
> +++ /dev/null
> @@ -1,114 +0,0 @@
> -/**
> - * @file
> - *
> - * @ingroup raspberrypi_console
> - *
> - * @brief console select
> - */
> -
> -/*
> - * Copyright (c) 2015 Yang Qiao
> - *
> - * 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 <bsp.h>
> -#include <bsp/fatal.h>
> -#include <rtems/libio.h>
> -#include <stdlib.h>
> -#include <string.h>
> -#include <assert.h>
> -#include <termios.h>
> -
> -#include <rtems/termiostypes.h>
> -#include <libchip/serial.h>
> -#include "../../shared/dev/serial/legacy-console.h"
> -#include <bsp/rpi-fb.h>
> -
> -rtems_device_minor_number BSPPrintkPort = 0;
> -
> -/*
> - * Method to return true if the device associated with the
> - * minor number probs available.
> - */
> -static bool bsp_Is_Available( rtems_device_minor_number minor )
> -{
> - console_tbl *cptr = Console_Port_Tbl[ minor ];
> -
> - /*
> - * First perform the configuration dependent probe, then the
> - * device dependent probe
> - */
> - if ( ( !cptr->deviceProbe || cptr->deviceProbe( minor ) ) &&
> - cptr->pDeviceFns->deviceProbe( minor ) ) {
> - return true;
> - }
> -
> - return false;
> -}
> -
> -/*
> - * Method to return the first available device.
> - */
> -static rtems_device_minor_number bsp_First_Available_Device( void )
> -{
> - rtems_device_minor_number minor;
> -
> - for ( minor = 0; minor < Console_Port_Count; minor++ ) {
> - console_tbl *cptr = Console_Port_Tbl[ minor ];
> -
> - /*
> - * First perform the configuration dependent probe, then the
> - * device dependent probe
> - */
> -
> - if ( ( !cptr->deviceProbe || cptr->deviceProbe( minor ) ) &&
> - cptr->pDeviceFns->deviceProbe( minor ) ) {
> - return minor;
> - }
> - }
> -
> - /*
> - * Error No devices were found. We will want to bail here.
> - */
> - bsp_fatal( BSP_FATAL_CONSOLE_NO_DEV );
> -}
> -
> -void bsp_console_select( void )
> -{
> - /*
> - * Reset Console_Port_Minor and
> - * BSPPrintkPort here if desired.
> - *
> - * This default version allows the bsp to set these
> - * values at creation and will not touch them again
> - * unless the selected port number is not available.
> - */
> - const char *opt;
> -
> - Console_Port_Minor = BSP_CONSOLE_UART0;
> - BSPPrintkPort = BSP_CONSOLE_UART0;
> -
> - opt = rpi_cmdline_get_arg( "--console=" );
> -
> - if ( opt ) {
> - if ( strncmp( opt, "fbcons", sizeof( "fbcons" ) - 1 ) == 0 ) {
> - if ( rpi_video_is_initialized() > 0 ) {
> - Console_Port_Minor = BSP_CONSOLE_FB;
> - BSPPrintkPort = BSP_CONSOLE_FB;
> - }
> - }
> - }
> -
> - /*
> - * If the device that was selected isn't available then
> - * let the user know and select the first available device.
> - */
> - if ( !bsp_Is_Available( Console_Port_Minor ) ) {
> - Console_Port_Minor = bsp_First_Available_Device();
> - }
> -}
> diff --git a/bsps/arm/raspberrypi/console/fbcons.c
> b/bsps/arm/raspberrypi/console/fbcons.c
> index 3669ba458d..0e6a430c54 100644
> --- a/bsps/arm/raspberrypi/console/fbcons.c
> +++ b/bsps/arm/raspberrypi/console/fbcons.c
> @@ -18,6 +18,7 @@
>
> #include <rtems.h>
> #include <rtems/libio.h>
> +#include <rtems/termiostypes.h>
>
> #include <stdlib.h>
>
> @@ -29,15 +30,6 @@
> #include <bsp/vc.h>
> #include <bsp/rpi-fb.h>
>
> -/*
> - * fbcons_init
> - *
> - * This function initializes the fb console to a quiecsent state.
> - */
> -static void fbcons_init( int minor )
> -{
> -}
> -
> /*
> * fbcons_open
> *
> @@ -45,13 +37,14 @@ static void fbcons_init( int minor )
> *
> * Default state is 9600 baud, 8 bits, No parity, and 1 stop bit.
> */
> -static int fbcons_open(
> - int major,
> - int minor,
> - void *arg
> +static bool fbcons_open(
> + struct rtems_termios_tty *tty,
> + rtems_termios_device_context *base,
> + struct termios *term,
> + rtems_libio_open_close_args_t *args
> )
> {
> - return RTEMS_SUCCESSFUL;
> + return true;
> }
>
> /*
> @@ -59,13 +52,12 @@ static int fbcons_open(
> *
> * This function shuts down the requested port.
> */
> -static int fbcons_close(
> - int major,
> - int minor,
> - void *arg
> +static void fbcons_close(
> + struct rtems_termios_tty *tty,
> + rtems_termios_device_context *base,
> + rtems_libio_open_close_args_t *args
> )
> {
> - return ( RTEMS_SUCCESSFUL );
> }
>
> /*
> @@ -73,8 +65,8 @@ static int fbcons_close(
> *
> * This routine polls out the requested character.
> */
> -static void fbcons_write_polled(
> - int minor,
> +void fbcons_write_polled(
> + rtems_termios_device_context *base,
> char c
> )
> {
> @@ -90,8 +82,8 @@ static void fbcons_write_polled(
> * Console Termios output entry point when using polled output.
> *
> */
> -static ssize_t fbcons_write_support_polled(
> - int minor,
> +static void fbcons_write_support_polled(
> + rtems_termios_device_context *base,
> const char *buf,
> size_t len
> )
> @@ -102,14 +94,9 @@ static ssize_t fbcons_write_support_polled(
> * poll each byte in the string out of the port.
> */
> while ( nwrite < len ) {
> - fbcons_write_polled( minor, *buf++ );
> + fbcons_write_polled( base, *buf++ );
> nwrite++;
> }
> -
> - /*
> - * return the number of bytes written.
> - */
> - return nwrite;
> }
>
> /*
> @@ -117,7 +104,9 @@ static ssize_t fbcons_write_support_polled(
> *
> * Console Termios polling input entry point.
> */
> -static int fbcons_inbyte_nonblocking_polled( int minor )
> +int fbcons_inbyte_nonblocking_polled(
> + rtems_termios_device_context *base
> +)
> {
> // if( rtems_kbpoll() ) {
> // int c = getch();
> @@ -133,15 +122,17 @@ static int fbcons_inbyte_nonblocking_polled(
> int minor )
> * This function sets the UART channel to reflect the requested
> termios
> * port settings.
> */
> -static int fbcons_set_attributes(
> - int minor,
> +static bool fbcons_set_attributes(
> + rtems_termios_device_context *base,
> const struct termios *t
> )
> {
> - return 0;
> + return true;
> }
>
> -bool fbcons_probe( int minor )
> +bool fbcons_probe(
> + rtems_termios_device_context *context
> +)
> {
> // rtems_status_code status;
> static bool firstTime = true;
> @@ -163,15 +154,12 @@ bool fbcons_probe( int minor )
> return ret;
> }
>
> -const console_fns fbcons_fns =
> +const rtems_termios_device_handler fbcons_fns =
> {
> - .deviceProbe = libchip_serial_default_probe, /* deviceProbe */
> - .deviceFirstOpen = fbcons_open, /* deviceFirstOpen */
> - .deviceLastClose = fbcons_close, /* deviceLastClose */
> - .deviceRead = fbcons_inbyte_nonblocking_polled, /* deviceRead */
> - .deviceWrite = fbcons_write_support_polled, /* deviceWrite */
> - .deviceInitialize = fbcons_init, /*
> deviceInitialize */
> - .deviceWritePolled = fbcons_write_polled, /*
> deviceWritePolled */
> - .deviceSetAttributes = fbcons_set_attributes, /*
> deviceSetAttributes */
> - .deviceOutputUsesInterrupts = FALSE, /*
> deviceOutputUsesInterrupts*/
> -};
> + .first_open = fbcons_open,
> + .last_close = fbcons_close,
> + .poll_read = fbcons_inbyte_nonblocking_polled,
> + .write = fbcons_write_support_polled,
> + .set_attributes = fbcons_set_attributes,
> + .mode = TERMIOS_POLLED
> +};
> \ No newline at end of file
> diff --git a/bsps/arm/raspberrypi/console/usart.c
> b/bsps/arm/raspberrypi/console/usart.c
> deleted file mode 100644
> index 25fb523621..0000000000
> --- a/bsps/arm/raspberrypi/console/usart.c
> +++ /dev/null
> @@ -1,167 +0,0 @@
> -/**
> - * @file
> - *
> - * @ingroup raspberrypi_usart
> - *
> - * @brief USART support.
> - */
> -
> -/*
> - * Copyright (c) 2013 Alan Cudmore
> - *
> - * 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/sersupp.h>
> -
> -#include <bsp.h>
> -#include <bsp/irq.h>
> -#include <bsp/usart.h>
> -#include <bsp/raspberrypi.h>
> -#include <rtems/bspIo.h>
> -
> -static void usart_delay(uint32_t n)
> -{
> - volatile uint32_t i = 0;
> -
> - for(i = 0; i < n; i++)
> - ;
> -}
> -
> -#if 0
> -/*
> - * These will be useful when the driver supports interrupt driven IO.
> - */
> -static rtems_vector_number usart_get_irq_number(const console_tbl *ct)
> -{
> - return ct->ulIntVector;
> -}
> -
> -static uint32_t usart_get_baud(const console_tbl *ct)
> -{
> - return ct->ulClock;
> -}
> -#endif
> -
> -static void usart_set_baud(int minor, int baud)
> -{
> - /*
> - * Nothing for now
> - */
> - return;
> -}
> -
> -static void usart_initialize(int minor)
> -{
> - unsigned int gpio_reg;
> -
> - /*
> - ** Program GPIO pins for UART 0
> - */
> - gpio_reg = BCM2835_REG(BCM2835_GPIO_GPFSEL1);
> - gpio_reg &= ~(7<<12); /* gpio14 */
> - gpio_reg |= (4<<12); /* alt0 */
> - gpio_reg &= ~(7<<15); /* gpio15 */
> - gpio_reg |= (4<<15); /* alt0 */
> - BCM2835_REG(BCM2835_GPIO_GPFSEL1) = gpio_reg;
> -
> - BCM2835_REG(BCM2835_GPIO_GPPUD) = 0;
> - usart_delay(150);
> - BCM2835_REG(BCM2835_GPIO_GPPUDCLK0) = (1<<14)|(1<<15);
> - usart_delay(150);
> - BCM2835_REG(BCM2835_GPIO_GPPUDCLK0) = 0;
> -
> - /*
> - ** Init the PL011 UART
> - */
> - BCM2835_REG(BCM2835_UART0_CR) = 0;
> - BCM2835_REG(BCM2835_UART0_ICR) = 0x7FF;
> - BCM2835_REG(BCM2835_UART0_IMSC) = 0;
> - BCM2835_REG(BCM2835_UART0_IBRD) = 1;
> - BCM2835_REG(BCM2835_UART0_FBRD) = 40;
> - BCM2835_REG(BCM2835_UART0_LCRH) = 0x70;
> - BCM2835_REG(BCM2835_UART0_RSRECR) = 0;
> -
> - BCM2835_REG(BCM2835_UART0_CR) = 0x301;
> -
> - BCM2835_REG(BCM2835_UART0_IMSC) = BCM2835_UART0_IMSC_RX;
> -
> - usart_set_baud(minor, 115000);
> -}
> -
> -static int usart_first_open(int major, int minor, void *arg)
> -{
> - rtems_libio_open_close_args_t *oc =
> (rtems_libio_open_close_args_t *) arg;
> - struct rtems_termios_tty *tty = (struct rtems_termios_tty *)
> oc->iop->data1;
> - const console_tbl *ct = Console_Port_Tbl [minor];
> - console_data *cd = &Console_Port_Data [minor];
> -
> - cd->termios_data = tty;
> - rtems_termios_set_initial_baud(tty, ct->ulClock);
> -
> - return 0;
> -}
> -
> -static int usart_last_close(int major, int minor, void *arg)
> -{
> - return 0;
> -}
> -
> -static int usart_read_polled(int minor)
> -{
> - if (minor == 0) {
> - if (((BCM2835_REG(BCM2835_UART0_FR)) & BCM2835_UART0_FR_RXFE)
> == 0) {
> - return((BCM2835_REG(BCM2835_UART0_DR)) & 0xFF );
> - } else {
> - return -1;
> - }
> - } else {
> - printk("Unknown console minor number: %d\n", minor);
> - return -1;
> - }
> -}
> -
> -static void usart_write_polled(int minor, char c)
> -{
> - while (1) {
> - if ((BCM2835_REG(BCM2835_UART0_FR) & BCM2835_UART0_FR_TXFF) == 0)
> - break;
> - }
> - BCM2835_REG(BCM2835_UART0_DR) = c;
> -}
> -
> -static ssize_t usart_write_support_polled(
> - int minor,
> - const char *s,
> - size_t n
> -)
> -{
> - ssize_t i = 0;
> -
> - for (i = 0; i < n; ++i) {
> - usart_write_polled(minor, s [i]);
> - }
> -
> - return n;
> -}
> -
> -static int usart_set_attributes(int minor, const struct termios *term)
> -{
> - return -1;
> -}
> -
> -const console_fns bcm2835_usart_fns = {
> - .deviceProbe = libchip_serial_default_probe,
> - .deviceFirstOpen = usart_first_open,
> - .deviceLastClose = usart_last_close,
> - .deviceRead = usart_read_polled,
> - .deviceWrite = usart_write_support_polled,
> - .deviceInitialize = usart_initialize,
> - .deviceWritePolled = usart_write_polled,
> - .deviceSetAttributes = usart_set_attributes,
> - .deviceOutputUsesInterrupts = false
> -};
> diff --git a/bsps/arm/raspberrypi/include/bsp.h
> b/bsps/arm/raspberrypi/include/bsp.h
> index 1075cb1771..b81d19cd76 100644
> --- a/bsps/arm/raspberrypi/include/bsp.h
> +++ b/bsps/arm/raspberrypi/include/bsp.h
> @@ -41,6 +41,10 @@ extern "C" {
>
> #define BSP_FEATURE_IRQ_EXTENSION
>
> +#if BSP_START_COPY_FDT_FROM_U_BOOT
> +#define BSP_FDT_IS_SUPPORTED
> +#endif
> +
> #define RPI_L2_CACHE_ENABLE 1
>
> #define BSP_GPIO_PIN_COUNT 32
> diff --git a/bsps/arm/raspberrypi/include/bsp/fbcons.h
> b/bsps/arm/raspberrypi/include/bsp/fbcons.h
> index d0e126699a..9bdb4b115e 100644
> --- a/bsps/arm/raspberrypi/include/bsp/fbcons.h
> +++ b/bsps/arm/raspberrypi/include/bsp/fbcons.h
> @@ -33,12 +33,29 @@ extern "C" {
>
> #define FB_CONSOLE 0x50492835
>
> -bool fbcons_probe( int minor );
> +bool fbcons_probe(
> + rtems_termios_device_context *base
> + );
> +
> +void fbcons_write_polled(
> + rtems_termios_device_context *base,
> + char c
> +);
> +
> +int fbcons_inbyte_nonblocking_polled(
> + rtems_termios_device_context *base
> +);
> +
> +void output_char_fb(char c);
> +
> +typedef struct {
> + rtems_termios_device_context base;
> +} rpi_fb_context ;
>
> /*
> * Driver function table
> */
> -extern const console_fns fbcons_fns;
> +extern const rtems_termios_device_handler fbcons_fns;
>
> #ifdef __cplusplus
> }
> diff --git a/bsps/arm/raspberrypi/include/bsp/raspberrypi.h
> b/bsps/arm/raspberrypi/include/bsp/raspberrypi.h
> index 40c80cf408..68888041e2 100644
> --- a/bsps/arm/raspberrypi/include/bsp/raspberrypi.h
> +++ b/bsps/arm/raspberrypi/include/bsp/raspberrypi.h
> @@ -24,6 +24,7 @@
> #include <bspopts.h>
> #include <stdint.h>
> #include <bsp/utility.h>
> +#include <rtems/termiostypes.h>
>
> /**
> * @defgroup raspberrypi_reg Register Definitions
> @@ -53,13 +54,36 @@
> */
>
> #if (BSP_IS_RPI2 == 1)
> - #define RPI_PERIPHERAL_BASE 0x3F000000
> + #define RPI_PERIPHERAL_BASE 0x3F000000
> + #define BASE_OFFSET 0X3F000000
> #else
> - #define RPI_PERIPHERAL_BASE 0x20000000
> + #define RPI_PERIPHERAL_BASE 0x20000000
> + #define BASE_OFFSET 0X5E000000
> #endif
>
> #define RPI_PERIPHERAL_SIZE 0x01000000
>
> +/**
> + * @name Bus to Physical address translation
> + * Macro.
> + * @{
> + */
> +
> +#define BUS_TO_PHY(x) (x - BASE_OFFSET)
> +
> +/** @} */
> +
> +/**
> + * @name Console select definitions
> + *
> + * @{
> + */
> +
> +#define PL011 0
> +#define FB 1
> +
> +/** @} */
> +
> /**
> * @name Internal ARM Timer Registers
> *
> @@ -184,42 +208,6 @@
>
> /** @} */
>
> -/**
> - * @name UART 0 (PL011) Registers
> - *
> - * @{
> - */
> -
> -#define BCM2835_UART0_BASE (RPI_PERIPHERAL_BASE + 0x201000)
> -
> -#define BCM2835_UART0_DR (BCM2835_UART0_BASE + 0x00)
> -#define BCM2835_UART0_RSRECR (BCM2835_UART0_BASE + 0x04)
> -#define BCM2835_UART0_FR (BCM2835_UART0_BASE + 0x18)
> -#define BCM2835_UART0_ILPR (BCM2835_UART0_BASE + 0x20)
> -#define BCM2835_UART0_IBRD (BCM2835_UART0_BASE + 0x24)
> -#define BCM2835_UART0_FBRD (BCM2835_UART0_BASE + 0x28)
> -#define BCM2835_UART0_LCRH (BCM2835_UART0_BASE + 0x2C)
> -#define BCM2835_UART0_CR (BCM2835_UART0_BASE + 0x30)
> -#define BCM2835_UART0_IFLS (BCM2835_UART0_BASE + 0x34)
> -#define BCM2835_UART0_IMSC (BCM2835_UART0_BASE + 0x38)
> -#define BCM2835_UART0_RIS (BCM2835_UART0_BASE + 0x3C)
> -#define BCM2835_UART0_MIS (BCM2835_UART0_BASE + 0x40)
> -#define BCM2835_UART0_ICR (BCM2835_UART0_BASE + 0x44)
> -#define BCM2835_UART0_DMACR (BCM2835_UART0_BASE + 0x48)
> -#define BCM2835_UART0_ITCR (BCM2835_UART0_BASE + 0x80)
> -#define BCM2835_UART0_ITIP (BCM2835_UART0_BASE + 0x84)
> -#define BCM2835_UART0_ITOP (BCM2835_UART0_BASE + 0x88)
> -#define BCM2835_UART0_TDR (BCM2835_UART0_BASE + 0x8C)
> -
> -#define BCM2835_UART0_MIS_RX 0x10
> -#define BCM2835_UART0_MIS_TX 0x20
> -#define BCM2835_UART0_IMSC_RX 0x10
> -#define BCM2835_UART0_IMSC_TX 0x20
> -#define BCM2835_UART0_FR_RXFE 0x10
> -#define BCM2835_UART0_FR_TXFF 0x20
> -#define BCM2835_UART0_ICR_RX 0x10
> -#define BCM2835_UART0_ICR_TX 0x20
> -
> /** @} */
>
> /**
> diff --git a/bsps/arm/raspberrypi/include/bsp/usart.h
> b/bsps/arm/raspberrypi/include/bsp/usart.h
> index d3e710c5e9..abbf53626c 100644
> --- a/bsps/arm/raspberrypi/include/bsp/usart.h
> +++ b/bsps/arm/raspberrypi/include/bsp/usart.h
> @@ -32,9 +32,8 @@
> extern "C" {
> #endif /* __cplusplus */
>
> -#define USART0_DEFAULT_BAUD 115000
> -
> -extern const console_fns bcm2835_usart_fns;
> +#define PL011_DEFAULT_BAUD 115000
> +#define BCM2835_PL011_BASE (RPI_PERIPHERAL_BASE + 0x201000)
>
> #ifdef __cplusplus
> }
> diff --git a/c/src/lib/libbsp/arm/raspberrypi/Makefile.am
> b/c/src/lib/libbsp/arm/raspberrypi/Makefile.am
> index 11a22f89e3..70b19178b4 100644
> --- a/c/src/lib/libbsp/arm/raspberrypi/Makefile.am
> +++ b/c/src/lib/libbsp/arm/raspberrypi/Makefile.am
> @@ -42,6 +42,7 @@ librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/shared/start/bspfatal-default.c
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/shared/dev/cpucounter/cpucounterfrequency.c
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/shared/dev/cpucounter/cpucounterread.c
> librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c
> +librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bsp-fdt.c
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/shared/start/stackalloc.c
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/shared/start/bsp-start-memcpy.S
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/shared/cp15/arm-cp15-set-ttb-entries.c
> @@ -63,14 +64,12 @@ librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/shared/cp15/arm-cp15-set-exc
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/raspberrypi/irq/irq.c
>
> # Console
> -librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/shared/dev/serial/legacy-console.c
> -librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/shared/dev/serial/legacy-console-control.c
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/raspberrypi/console/console-config.c
> -librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/raspberrypi/console/console_select.c
> -librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/raspberrypi/console/usart.c
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/raspberrypi/console/fb.c
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/raspberrypi/console/fbcons.c
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/raspberrypi/console/outch.c
> +librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/shared/dev/serial/console-termios.c
> +librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/shared/serial/arm-pl011.c
>
> # Mailbox
> librtemsbsp_a_SOURCES +=
> ../../../../../../bsps/arm/raspberrypi/start/mailbox.c
> diff --git a/c/src/lib/libbsp/arm/raspberrypi/configure.ac
> <http://configure.ac>
> b/c/src/lib/libbsp/arm/raspberrypi/configure.ac <http://configure.ac>
> index 452aa4d029..b1aa0bf417 100644
> --- a/c/src/lib/libbsp/arm/raspberrypi/configure.ac
> <http://configure.ac>
> +++ b/c/src/lib/libbsp/arm/raspberrypi/configure.ac
> <http://configure.ac>
> @@ -15,6 +15,19 @@ RTEMS_CANONICAL_TARGET_CPU
> AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2])
> RTEMS_BSP_CONFIGURE
>
> +RTEMS_BSPOPTS_SET([BSP_START_COPY_FDT_FROM_U_BOOT],[*],[1])
> +RTEMS_BSPOPTS_HELP([BSP_START_COPY_FDT_FROM_U_BOOT],[copy the
> U-Boot provided FDT to an internal storage])
> +
> +RTEMS_BSPOPTS_SET([BSP_FDT_BLOB_SIZE_MAX],[*],[262144])
> +RTEMS_BSPOPTS_HELP([BSP_FDT_BLOB_SIZE_MAX],[maximum size of the FDT
> blob in bytes])
> +
> +RTEMS_BSPOPTS_SET([BSP_FDT_BLOB_READ_ONLY],[*],[1])
> +RTEMS_BSPOPTS_HELP([BSP_FDT_BLOB_READ_ONLY],[place the FDT blob
> into the read-only data area])
> +
> +RTEMS_BSPOPTS_SET([BSP_FDT_BLOB_COPY_TO_READ_ONLY_LOAD_AREA],[*],[1])
> +RTEMS_BSPOPTS_HELP([BSP_FDT_BLOB_COPY_TO_READ_ONLY_LOAD_AREA],[copy
> the FDT blob into the read-only load area via bsp_fdt_copy()])
> +
> +
> RTEMS_BSPOPTS_SET([BSP_START_RESET_VECTOR],[*],[])
> RTEMS_BSPOPTS_HELP([BSP_START_RESET_VECTOR],[reset vector address
> for BSP start])
>
> --
> 2.17.1
>
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