Great, please do have a look at the FDT patch I sent today. I would like to work on something else now, do you have something interesting for me to do?
On Fri, Jan 3, 2020 at 3:39 PM Christian Mauderer <l...@c-mauderer.de> wrote: > Hello Niteesh, > > looks good to me. The UART works for a Pi1 and a Pi2. The Framebuffer > console doesn't but it doesn't work either before this patch and as far > as I can tell you took over the logic correctly. So I don't think this > patch will break anything that isn't already broken. > > I'll give the patch some more days for others to review and if no one > objects, I'll push it together with the "Enable FDT support" and my two > patches that fix the SDRAM stuff. > > Best regards > > Christian > > On 03/01/2020 09:26, G S Niteesh wrote: > > Replaces the legacy termios API with new termios API (#3034) > > Replaces the custom PL011 serial driver with RTEMS arm-pl011. > > Update #3034 > > --- > > bsps/arm/raspberrypi/console/console-config.c | 148 ++++++++++++---- > > 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 | 2 + > > bsps/arm/raspberrypi/include/bsp/fbcons.h | 17 +- > > .../arm/raspberrypi/include/bsp/raspberrypi.h | 54 ++---- > > bsps/arm/raspberrypi/include/bsp/usart.h | 5 +- > > bsps/arm/raspberrypi/start/bspstart.c | 15 ++ > > c/src/lib/libbsp/arm/raspberrypi/Makefile.am | 6 +- > > 10 files changed, 199 insertions(+), 407 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..4000fd1c50 100644 > > --- a/bsps/arm/raspberrypi/console/console-config.c > > +++ b/bsps/arm/raspberrypi/console/console-config.c > > @@ -19,50 +19,132 @@ > > */ > > > > #include <rtems/bspIo.h> > > - > > -#include <libchip/serial.h> > > +#include <rtems/console.h> > > +#include <rtems/sysinit.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 <libfdt.h> > > +#include <libchip/serial.h> > > + > > +#define UART0 "/dev/ttyS0" > > +#define FBCONS "/dev/fbcons" > > + > > +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); > > +} > > > > -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; > > +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 = raspberrypi_get_reg_of_node(fdt, node); > > +} > > + > > +static void register_fb( void ) > > +{ > > + if (fbcons_probe(&fb_context.base) == true) { > > + rtems_termios_device_install( > > + FBCONS, > > + &fbcons_fns, > > + NULL, > > + &fb_context.base); > > + } > > +} > > + > > +static void console_select( void ) > > +{ > > + 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(FBCONS, CONSOLE_DEVICE_NAME); > > + return ; > > + } > > + } > > + } > > + BSP_output_char = output_char_serial; > > + link(UART0, CONSOLE_DEVICE_NAME); > > +} > > + > > +static void uart_probe(void) > > +{ > > + static bool initialized = false; > > + const void *fdt; > > + int node; > > + > > + if ( initialized ) { > > + return ; > > + } > > + > > + fdt = bsp_fdt_get(); > > + node = fdt_node_offset_by_compatible(fdt, -1, "brcm,bcm2835-pl011"); > > + > > + init_ctx_arm_pl011(fdt, node); > > + > > + initialized = true; > > +} > > > > static void output_char(char c) > > { > > - const console_fns *con = > > - Console_Configuration_Ports [Console_Port_Minor].pDeviceFns; > > + uart_probe(); > > + output_char_serial(c); > > +} > > + > > +rtems_status_code console_initialize( > > + rtems_device_major_number major, > > + rtems_device_minor_number minor, > > + void *arg > > +) > > +{ > > + rtems_termios_initialize(); > > > > - con->deviceWritePolled((int) Console_Port_Minor, c); > > + uart_probe(); > > + rtems_termios_device_install( > > + UART0, > > + &arm_pl011_fns, > > + NULL, > > + &pl011_context.base > > + ); > > + > > + register_fb(); > > + > > + console_select(); > > + > > + 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..0c0a5087ce 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 ) > > +static 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 b81d19cd76..190dd16184 100644 > > --- a/bsps/arm/raspberrypi/include/bsp.h > > +++ b/bsps/arm/raspberrypi/include/bsp.h > > @@ -54,6 +54,8 @@ extern "C" { > > #define BSP_CONSOLE_UART0 0 > > #define BSP_CONSOLE_FB 1 > > > > +void *raspberrypi_get_reg_of_node(const void *fdt, int node); > > + > > void rpi_init_cmdline(void); > > const char *rpi_cmdline_get_cached(void); > > const char *rpi_cmdline_get_raw(void); > > diff --git a/bsps/arm/raspberrypi/include/bsp/fbcons.h > b/bsps/arm/raspberrypi/include/bsp/fbcons.h > > index d0e126699a..9de75ee5a4 100644 > > --- a/bsps/arm/raspberrypi/include/bsp/fbcons.h > > +++ b/bsps/arm/raspberrypi/include/bsp/fbcons.h > > @@ -33,12 +33,25 @@ 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 > > +); > > + > > +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..eeb48c42f1 100644 > > --- a/bsps/arm/raspberrypi/include/bsp/raspberrypi.h > > +++ b/bsps/arm/raspberrypi/include/bsp/raspberrypi.h > > @@ -53,12 +53,24 @@ > > */ > > > > #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 > > +#define RPI_PERIPHERAL_SIZE 0x01000000 > > + > > +/** > > + * @name Bus to Physical address translation > > + * Macro. > > + * @{ > > + */ > > + > > +#define BUS_TO_PHY(x) ((x) - BASE_OFFSET) > > + > > +/** @} */ > > > > /** > > * @name Internal ARM Timer Registers > > @@ -184,42 +196,6 @@ > > > > /** @} */ > > > > -/** > > - * @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/bsps/arm/raspberrypi/start/bspstart.c > b/bsps/arm/raspberrypi/start/bspstart.c > > index 6ff286f840..49896e4d47 100644 > > --- a/bsps/arm/raspberrypi/start/bspstart.c > > +++ b/bsps/arm/raspberrypi/start/bspstart.c > > @@ -24,6 +24,8 @@ > > #include <bsp/raspberrypi.h> > > #include <bsp/vc.h> > > > > +#include <libfdt.h> > > + > > static const struct { > > uint32_t code; > > const char* label; > > @@ -86,6 +88,19 @@ static const char* rpi_mem[] = > > > > #define NUMOF(_s) (sizeof(_s) / sizeof(_s[0])) > > > > +void *raspberrypi_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 (BUS_TO_PHY((void *) fdt32_to_cpu(val[0]))); > > +} > > + > > void bsp_start(void) > > { > > bcm2835_get_board_spec_entries spec = { 0 }; > > diff --git a/c/src/lib/libbsp/arm/raspberrypi/Makefile.am > b/c/src/lib/libbsp/arm/raspberrypi/Makefile.am > > index 77aa360977..57562c10c7 100644 > > --- a/c/src/lib/libbsp/arm/raspberrypi/Makefile.am > > +++ b/c/src/lib/libbsp/arm/raspberrypi/Makefile.am > > @@ -64,11 +64,9 @@ 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/shared/dev/serial/console-termios.c > > +librtemsbsp_a_SOURCES += > ../../../../../../bsps/arm/shared/serial/arm-pl011.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 > > >
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