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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-19 06:28:01 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 13:08:32 +0200
commitd7d66d7d4523b904c8ccc6aea3709dc0d5aa5bdc (patch)
treecaa54b4229e86a68c84ab5961af34e087dce5302 /bsps/arm/csb337
parentbsps/powerpc: Move shared btimer support (diff)
downloadrtems-d7d66d7d4523b904c8ccc6aea3709dc0d5aa5bdc.tar.bz2
bsps: Move console drivers to bsps
This patch is a part of the BSP source reorganization. Update #3285.
Diffstat (limited to 'bsps/arm/csb337')
-rw-r--r--bsps/arm/csb337/console/dbgu.c223
-rw-r--r--bsps/arm/csb337/console/fbcons.c125
-rw-r--r--bsps/arm/csb337/console/sed1356.c461
-rw-r--r--bsps/arm/csb337/console/uarts.c243
-rw-r--r--bsps/arm/csb337/console/usart.c261
5 files changed, 1313 insertions, 0 deletions
diff --git a/bsps/arm/csb337/console/dbgu.c b/bsps/arm/csb337/console/dbgu.c
new file mode 100644
index 0000000000..1a16762e32
--- /dev/null
+++ b/bsps/arm/csb337/console/dbgu.c
@@ -0,0 +1,223 @@
+/*
+ * Console driver for AT91RM9200 DBGU port
+ *
+ * This driver uses the shared console driver in
+ * ...../libbsp/shared/console.c
+ *
+ * Copyright (c) 2003 by Cogent Computer Systems
+ * Written by Mike Kelly <mike@cogcomp.com>
+ * and Jay Monkman <jtm@lopingdog.com>
+ *
+ * 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 <rtems/libio.h>
+#include <termios.h>
+
+#include <at91rm9200.h>
+#include <at91rm9200_dbgu.h>
+#include <at91rm9200_pmc.h>
+#include <rtems/bspIo.h>
+#include <libchip/serial.h>
+#include <libchip/sersupp.h>
+
+volatile int dbg_dly;
+
+/* static function prototypes */
+static int dbgu_first_open(int major, int minor, void *arg);
+static int dbgu_last_close(int major, int minor, void *arg);
+static int dbgu_read(int minor);
+static ssize_t dbgu_write(int minor, const char *buf, size_t len);
+static void dbgu_init(int minor);
+static void dbgu_write_polled(int minor, char c);
+static int dbgu_set_attributes(int minor, const struct termios *t);
+
+/* Pointers to functions for handling the UART. */
+const console_fns dbgu_fns =
+{
+ libchip_serial_default_probe,
+ dbgu_first_open,
+ dbgu_last_close,
+ dbgu_read,
+ dbgu_write,
+ dbgu_init,
+ dbgu_write_polled, /* not used in this driver */
+ dbgu_set_attributes,
+ FALSE /* TRUE if interrupt driven, FALSE if not. */
+};
+/*********************************************************************/
+/* Functions called via callbacks (i.e. the ones in uart_fns */
+/*********************************************************************/
+
+/*
+ * This is called the first time each device is opened. Since
+ * the driver is polled, we don't have to do anything. If the driver
+ * were interrupt driven, we'd enable interrupts here.
+ */
+static int dbgu_first_open(int major, int minor, void *arg)
+{
+ return 0;
+}
+
+
+/*
+ * This is called the last time each device is closed. Since
+ * the driver is polled, we don't have to do anything. If the driver
+ * were interrupt driven, we'd disable interrupts here.
+ */
+static int dbgu_last_close(int major, int minor, void *arg)
+{
+ return 0;
+}
+
+
+/*
+ * Read one character from UART.
+ *
+ * return -1 if there's no data, otherwise return
+ * the character in lowest 8 bits of returned int.
+ */
+static int dbgu_read(int minor)
+{
+ char c;
+ console_tbl *console_entry;
+ at91rm9200_dbgu_regs_t *dbgu;
+
+ console_entry = BSP_get_uart_from_minor(minor);
+
+ if (console_entry == NULL) {
+ return -1;
+ }
+
+ dbgu = (at91rm9200_dbgu_regs_t *)console_entry->ulCtrlPort1;
+
+ if (!(dbgu->sr & DBGU_INT_RXRDY)) {
+ return -1;
+ }
+
+ c = dbgu->rhr & 0xff;
+
+ return c;
+}
+
+
+/*
+ * Write buffer to UART
+ *
+ * return 1 on success, -1 on error
+ */
+static ssize_t dbgu_write(int minor, const char *buf, size_t len)
+{
+ int i, x;
+ char c;
+ console_tbl *console_entry;
+ at91rm9200_dbgu_regs_t *dbgu;
+
+ console_entry = BSP_get_uart_from_minor(minor);
+
+ if (console_entry == NULL) {
+ return -1;
+ }
+
+ dbgu = (at91rm9200_dbgu_regs_t *)console_entry->ulCtrlPort1;
+
+ for (i = 0; i < len; i++) {
+ /* Wait for fifo to have room */
+ while(1) {
+ if (dbgu->sr & DBGU_INT_TXRDY) {
+ break;
+ }
+ }
+
+ c = (char) buf[i];
+ dbgu->thr = c;
+
+ /* the TXRDY flag does not seem to update right away (is this true?) */
+ /* so we wait a bit before continuing */
+ for (x = 0; x < 100; x++) {
+ dbg_dly++; /* using a global so this doesn't get optimized out */
+ }
+ }
+
+ return 1;
+}
+
+
+/* Set up the UART. */
+static void dbgu_init(int minor)
+{
+ console_tbl *console_entry;
+ at91rm9200_dbgu_regs_t *dbgu;
+
+ console_entry = BSP_get_uart_from_minor(minor);
+
+ if (console_entry == NULL) {
+ return;
+ }
+
+ dbgu = (at91rm9200_dbgu_regs_t *)console_entry->ulCtrlPort1;
+
+ /* Clear error bits, and reset */
+ dbgu->cr = (DBGU_CR_RSTSTA | DBGU_CR_RSTTX | DBGU_CR_RSTRX);
+
+ /* Clear pending interrupts */
+ dbgu->idr = DBGU_INT_ALL;
+ dbgu->imr = 0;
+
+ /* Set port to no parity, no loopback */
+ dbgu->mr = DBGU_MR_PAR_NONE | DBGU_MR_CHMODE_NORM;
+
+ /* Set the baud rate */
+ dbgu->brgr = (at91rm9200_get_mck() / 16) / BSP_get_baud();
+
+ /* Enable the DBGU */
+ dbgu->cr = (DBGU_CR_TXEN | DBGU_CR_RXEN);
+}
+
+/* This is used for getchark support */
+static void dbgu_write_polled(int minor, char c)
+{
+ dbgu_write(minor, &c, 1);
+}
+
+/* This is for setting baud rate, bits, etc. */
+static int dbgu_set_attributes(int minor, const struct termios *t)
+{
+ return 0;
+}
+
+/***********************************************************************/
+/*
+ * The following functions are not used by TERMIOS, but other RTEMS
+ * functions use them instead.
+ */
+/***********************************************************************/
+/*
+ * Read from UART. This is used in the exit code, and can't
+ * rely on interrupts.
+ */
+static int dbgu_poll_read(int minor)
+{
+ return dbgu_read(minor);
+}
+
+
+/*
+ * Write a character to the console. This is used by printk() and
+ * maybe other low level functions. It should not use interrupts or any
+ * RTEMS system calls. It needs to be very simple
+ */
+static void _BSP_put_char( char c ) {
+ dbgu_write_polled(0, c);
+}
+
+BSP_output_char_function_type BSP_output_char = _BSP_put_char;
+
+static int _BSP_poll_char(void)
+{
+ return dbgu_poll_read(0);
+}
+
+BSP_polling_getchar_function_type BSP_poll_char = _BSP_poll_char;
diff --git a/bsps/arm/csb337/console/fbcons.c b/bsps/arm/csb337/console/fbcons.c
new file mode 100644
index 0000000000..62e840938d
--- /dev/null
+++ b/bsps/arm/csb337/console/fbcons.c
@@ -0,0 +1,125 @@
+/*
+ * LCD Console Output Driver for CSBx37
+ */
+
+/*
+ * COPYRIGHT (c) 1989-2014.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * Modified by Fernando Nicodemos <fgnicodemos@terra.com.br>
+ * from NCB - Sistemas Embarcados Ltda. (Brazil)
+ *
+ * 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 <rtems/libio.h>
+#include <termios.h>
+
+#include <rtems/bspIo.h>
+#include <libchip/serial.h>
+#include <libchip/sersupp.h>
+#include "sed1356.h"
+
+/* static function prototypes */
+static int fbcons_first_open(int major, int minor, void *arg);
+static int fbcons_last_close(int major, int minor, void *arg);
+static int fbcons_read(int minor);
+static ssize_t fbcons_write(int minor, const char *buf, size_t len);
+static void fbcons_init(int minor);
+static void fbcons_write_polled(int minor, char c);
+static int fbcons_set_attributes(int minor, const struct termios *t);
+
+/* Pointers to functions for handling the UART. */
+const console_fns fbcons_fns =
+{
+ libchip_serial_default_probe,
+ fbcons_first_open,
+ fbcons_last_close,
+ fbcons_read,
+ fbcons_write,
+ fbcons_init,
+ fbcons_write_polled, /* not used in this driver */
+ fbcons_set_attributes,
+ FALSE /* TRUE if interrupt driven, FALSE if not. */
+};
+/*********************************************************************/
+/* Functions called via callbacks (i.e. the ones in uart_fns */
+/*********************************************************************/
+
+/*
+ * This is called the first time each device is opened. Since
+ * the driver is polled, we don't have to do anything. If the driver
+ * were interrupt driven, we'd enable interrupts here.
+ */
+static int fbcons_first_open(int major, int minor, void *arg)
+{
+ /* printk( "Frame buffer -- first open\n" ); */
+ return 0;
+}
+
+
+/*
+ * This is called the last time each device is closed. Since
+ * the driver is polled, we don't have to do anything. If the driver
+ * were interrupt driven, we'd disable interrupts here.
+ */
+static int fbcons_last_close(int major, int minor, void *arg)
+{
+ /* printk( "Frame buffer -- last close\n" ); */
+ return 0;
+}
+
+
+/*
+ * Read one character from UART.
+ *
+ * return -1 if there's no data, otherwise return
+ * the character in lowest 8 bits of returned int.
+ */
+static int fbcons_read(int minor)
+{
+ /* printk( "Frame buffer -- read\n" ); */
+ return -1;
+}
+
+
+/*
+ * Write buffer to LCD
+ *
+ * return 1 on success, -1 on error
+ */
+static ssize_t fbcons_write(int minor, const char *buf, size_t len)
+{
+ int i;
+
+ /* printk( "Frame buffer -- write\n" ); */
+ for ( i=0 ; i<len ; i++ )
+ sed_putchar( buf[i] );
+
+ return 1;
+}
+
+
+/* Set up the LCD controller. */
+static void fbcons_init(int minor)
+{
+ /* printk( "Initializing frame buffer\n" ); */
+ sed_init();
+}
+
+/* This is used for putchark support */
+static void fbcons_write_polled(int minor, char c)
+{
+ /* printk( "frame buffer -- write polled\n" ); */
+ sed_putchar( c );
+}
+
+/* This is for setting baud rate, bits, etc. */
+static int fbcons_set_attributes(int minor, const struct termios *t)
+{
+ /* printk( "frame buffer -- set attributes\n" ); */
+ return 0;
+}
diff --git a/bsps/arm/csb337/console/sed1356.c b/bsps/arm/csb337/console/sed1356.c
new file mode 100644
index 0000000000..f87a322a01
--- /dev/null
+++ b/bsps/arm/csb337/console/sed1356.c
@@ -0,0 +1,461 @@
+/*
+ * SED1356 Support for KIT637_V6 (CSB637)
+ *
+ * Based upon code from MicroMonitor 1.17 from http://www.umonfw.com/
+ * which includes this notice:
+ */
+
+/*
+ **************************************************************************
+ * General notice:
+ * This code is part of a boot-monitor package developed as a generic base
+ * platform for embedded system designs. As such, it is likely to be
+ * distributed to various projects beyond the control of the original
+ * author. Please notify the author of any enhancements made or bugs found
+ * so that all may benefit from the changes. In addition, notification back
+ * to the author will allow the new user to pick up changes that may have
+ * been made by other users after this version of the code was distributed.
+ *
+ * Note1: the majority of this code was edited with 4-space tabs.
+ * Note2: as more and more contributions are accepted, the term "author"
+ * is becoming a mis-representation of credit.
+ *
+ * Original author: Ed Sutter
+ * Email: esutter@alcatel-lucent.com
+ * Phone: 908-582-2351
+ **************************************************************************
+ *
+ * Ed Sutter has been informed that this code is being used in RTEMS.
+ *
+ * This code was reformatted by Joel Sherrill from OAR Corporation and
+ * Fernando Nicodemos <fgnicodemos@terra.com.br> from NCB - Sistemas
+ * Embarcados Ltda. (Brazil) to be more compliant with RTEMS coding
+ * standards and to eliminate C++ style comments.
+ */
+
+#include <bsp.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "sed1356.h"
+#include "font8x16.h"
+
+int mode900lq;
+long PIXELS_PER_ROW;
+long PIXELS_PER_COL;
+long COLS_PER_SCREEN;
+long ROWS_PER_SCREEN;
+long SED_HOR_PULSE_WIDTH_LCD;
+long SED_VER_PULSE_START_LCD;
+long SED_HOR_PULSE_START_LCD;
+long SED_HOR_NONDISP_LCD;
+long SED_VER_NONDISP_LCD;
+long SED_VER_PULSE_WIDTH_LCD;
+
+/* globals to keep track of foreground, background colors and x,y position */
+int sed_color_depth; /* 4, 8 or 16 */
+int sed_fg_color; /* 0 to 15, used as lookup into VGA color table */
+int sed_bg_color; /* 0 to 15, used as lookup into VGA color table */
+int sed_col; /* current column, 0 to COLS_PER_SCREEN - 1 */
+int sed_row; /* current row, 0 to (ROWS_PER_SCREEN * 2) - 1 */
+int sed_disp_mode_crt; /* CRT=1, LCD=0 */
+int sed135x_ok;
+int sed135x_tst;
+uint32_t sed_fb_offset; /* current offset into frame buffer for sed_putchar */
+
+void sed_writechar(uint8_t c);
+void sed_scroll(void);
+
+#define SED_REG_BASE 0x30000000 /* *CS2 */
+#define SED_MEM_BASE (SED_REG_BASE + 0x00200000)
+#define SED_STEP 1 /* 16-bit port on 16-bit boundry */
+
+#define SED_REG16(_x_) *(volatile uint16_t *)((uint32_t)SED_REG_BASE + (((uint32_t)_x_ * SED_STEP) ^ 0)) /* Control/Status Registers, 16-bit mode */
+#define RD_FB16(_reg_,_val_) ((_val_) = *((volatile uint16_t *)(((uint32_t)SED_MEM_BASE + ((uint32_t)(_reg_ * SED_STEP) ^ 0)))))
+#define WR_FB16(_reg_,_val_) (*((volatile uint16_t *)(((uint32_t)SED_MEM_BASE + ((uint32_t)(_reg_ * SED_STEP) ^ 0)))) = (_val_))
+
+#if 0
+#define SED1356_REG_LCD_HOR_DISP SED_REG16(0x32)
+#define SED1356_REG_LCD_HOR_NONDISP_and_START SED_REG16(0x34)
+#define SED1356_REG_LCD_HOR_PULSE SED_REG16(0x36)
+#define SED1356_REG_LCD_VER_DISP_HT_LO_and_HI SED_REG16(0x38)
+#define SED1356_REG_LCD_VER_NONDISP_and_START SED_REG16(0x3a)
+#define SED1356_REG_LCD_VER_PULSE SED_REG16(0x3c)
+#define SED1356_REG_LCD_DISP_MODE_and_MISC SED_REG16(0x40)
+#define SED1356_REG_LCD_DISP_START_LO_and_MID SED_REG16(0x42)
+#define SED1356_REG_LCD_DISP_START_HI SED_REG16(0x44)
+#define SED1356_REG_LCD_ADD_OFFSET_LO_and_HI SED_REG16(0x46)
+#define SED1356_REG_LCD_PIXEL_PAN SED_REG16(0x48)
+#define SED1356_REG_LCD_FIFO_THRESH_LO_and_HI SED_REG16(0x4a)
+#endif
+
+
+#define H2SED(_x_) (_x_)
+
+#define FB_SIZE (640 * 480)
+#define SED_ROW_SIZE(_depth_) ((PIXELS_PER_ROW * _depth_) / 8)
+#define SED_FB_SIZE(_depth_) (((PIXELS_PER_COL * PIXELS_PER_ROW) * _depth_) / 8)
+
+#define FONT_WIDTH 8
+#define FONT_HEIGHT 16
+
+#define SED_GET_ADD(_row_, _col_, _depth_) \
+ (((((_row_ * PIXELS_PER_ROW) * FONT_HEIGHT) \
+ + (_col_ * FONT_WIDTH)) \
+ * _depth_) / 8)
+
+
+#define SED_GET_PHYS_ADD(_reg_) \
+ (volatile unsigned long)(SED_MEM_BASE + ((_reg_ * SED_STEP) ^ 0))
+
+
+#include "sed1356_16bit.h"
+
+/* #define SED_DBG */
+int sed135x_tst = 0;
+
+void sed_write_frame_buffer(
+ uint32_t i,
+ uint16_t wr16
+)
+{
+ WR_FB16(i, wr16);
+}
+
+int sed_frame_buffer_size(void)
+{
+ return SED_FB_SIZE(sed_color_depth);
+}
+
+void sed_clr_row(int char_row)
+{
+ unsigned long sed_mem_add;
+ int i;
+ uint16_t wr16;
+
+ /* clear the desired row */
+ sed_mem_add = SED_GET_ADD(char_row, 0, sed_color_depth);
+
+#ifdef SED_DBG
+ sed135x_tst = 1;
+ printf("SED Clear Row %d, FB Add 0x%08lx, CPU Add 0x%08lx.\n ", char_row, sed_mem_add, SED_GET_PHYS_ADD(sed_mem_add));
+ sed135x_tst = 0;
+#endif
+
+ switch (sed_color_depth)
+ {
+ case 4:
+ wr16 = ((sed_bg_color << 12) | (sed_bg_color << 8) | (sed_bg_color << 4) | (sed_bg_color << 0));
+#ifdef SED_DBG
+ sed135x_tst = 1;
+ printf("SED Clear Row %d, FB Add 0x%08lx to 0x%08lx.\n ", char_row, sed_mem_add, sed_mem_add + ((PIXELS_PER_ROW * FONT_HEIGHT) / 2));
+ sed135x_tst = 0;
+#endif
+ for (i = 0; i < ((PIXELS_PER_ROW * FONT_HEIGHT) / 2); i += 2){
+ WR_FB16(sed_mem_add, wr16);
+ sed_mem_add += 2;
+ } /* for font_row */
+ break;
+ case 8:
+ wr16 = ((sed_bg_color << 8) | (sed_bg_color << 0));
+ for (i = 0; i < (PIXELS_PER_ROW * FONT_HEIGHT); i += 2){
+ WR_FB16(sed_mem_add, wr16);
+ sed_mem_add += 2;
+ } /* for font_row */
+ break;
+ case 16:
+ wr16 = ((vga_lookup[sed_bg_color]));
+ for (i = 0; i < ((PIXELS_PER_ROW * FONT_HEIGHT) * 2); i += 2){
+ WR_FB16(sed_mem_add, wr16);
+ sed_mem_add += 2;
+ } /* for font_row */
+ break;
+ } /* switch sed_color_depth */
+} /* sed_clr_row */
+
+void sed_init(void)
+{
+ mode900lq = 0;
+ PIXELS_PER_ROW = 640;
+ PIXELS_PER_COL = 480;
+ COLS_PER_SCREEN = 80;
+ ROWS_PER_SCREEN = 30;
+ SED_HOR_PULSE_WIDTH_LCD = 0x0b;
+ SED_HOR_NONDISP_LCD = 0x13;
+ SED_VER_PULSE_WIDTH_LCD = 0x01;
+ SED_VER_PULSE_START_LCD = 0x09;
+ SED_VER_NONDISP_LCD = 0x2c;
+
+ sed_color_depth = 16; /* 16 => vga lookup */
+ sed_fg_color = 14; /* Bright Yellow */
+ sed_bg_color = 1; /* Blue */
+ sed_disp_mode_crt = 0; /* default to LCD */
+ sed_fb_offset = 0x00;
+ sed_row = 0;
+ sed_col = 0;
+
+ sed135x_ok = 1;
+ sed135x_tst = 0;
+ sed_clearscreen();
+}
+
+/*
+ * sed_putchar()
+ *
+ * This routine parses the character and calls sed_writechar if it is a
+ * printable character
+ */
+void sed_putchar(char c)
+{
+
+ if ((sed135x_ok == 0) || (sed135x_tst == 1)) return;
+
+ /* First parse the character to see if it printable or an
+ * acceptable control character.
+ */
+ switch (c) {
+ case '\r':
+ sed_col = 0;
+ return;
+ case '\n':
+ sed_col = 0;
+ sed_scroll();
+ return;
+ case '\b':
+ sed_col--;
+ if (sed_col < 0) {
+ sed_row--;
+ if (sed_row < 0)
+ sed_row = 0;
+ sed_col = COLS_PER_SCREEN - 1;
+ }
+ c = 0; /* erase the character */
+ sed_writechar(c);
+ break;
+ default:
+ if (((uint8_t)c < FIRST_CHAR) || ((uint8_t)c > LAST_CHAR))
+ return; /* drop anything we can't print */
+ c -= FIRST_CHAR; /* get aligned to the first printable character */
+ sed_writechar(c);
+ /* advance to next column */
+ sed_col++;
+ if (sed_col == COLS_PER_SCREEN) {
+ sed_col = 0;
+ sed_scroll();
+ }
+ break;
+ }
+
+} /* sed_putchar() */
+
+/*
+ * sed_writechar()
+ *
+ * This routine writes the character to the screen at the current cursor
+ * location.
+ */
+void sed_writechar(uint8_t c)
+{
+ uint32_t sed_mem_add;
+ int font_row, font_col;
+ uint8_t font_data8;
+ uint16_t wr16;
+
+ /* Convert the current row,col and color depth values
+ * into an address
+ */
+ sed_mem_add = SED_GET_ADD(sed_row, sed_col, sed_color_depth);
+
+#ifdef SED_DBG
+ sed135x_tst = 1;
+ printf("SED writechar at row %d, col %d, FB Add 0x%08lx, CPU Add 0x%08lx.\n ", sed_row, sed_col, sed_mem_add, SED_GET_PHYS_ADD(sed_mem_add));
+ sed135x_tst = 0;
+#endif
+
+ if (FONT_WIDTH == 8) {
+ switch (sed_color_depth) {
+ case 4:
+ /* Now render the font by painting one font row at a time */
+ for (font_row = 0; font_row < FONT_HEIGHT; font_row++) {
+ /* get the font row of data */
+ font_data8 = font8x16[(c * FONT_HEIGHT) + font_row];
+
+
+ for (font_col = 0; font_col < 8; font_col += 4)
+ {
+ /* get a words worth of pixels */
+ wr16 = (((font_data8 & 0x80) ? sed_fg_color << 12 : sed_bg_color << 12)
+ | ((font_data8 & 0x40) ? sed_fg_color << 8 : sed_bg_color << 8)
+ | ((font_data8 & 0x20) ? sed_fg_color << 4 : sed_bg_color << 4)
+ | ((font_data8 & 0x10) ? sed_fg_color << 0 : sed_bg_color << 0));
+ font_data8 = font_data8 << 4;
+ WR_FB16(sed_mem_add, wr16);
+ /* if we are in the 2nd frame buffer, write to the 1st
+ * frame buffer also
+ */
+ if (sed_row > (ROWS_PER_SCREEN - 1)) {
+ WR_FB16((sed_mem_add - SED_FB_SIZE(sed_color_depth)), wr16);
+ }
+ sed_mem_add += 2;
+ } /* for font_col */
+ /* go to the next pixel row */
+ sed_mem_add += (SED_ROW_SIZE(sed_color_depth) - ((FONT_WIDTH * sed_color_depth) / 8));
+ } /* for font_row */
+ break;
+
+ case 8:
+ /* Now render the font by painting one font row at a time */
+ for (font_row = 0; font_row < FONT_HEIGHT; font_row++) {
+ /* get the font row of data */
+ font_data8 = font8x16[(c * FONT_HEIGHT) + font_row];
+ for (font_col = 0; font_col < 8; font_col += 2)
+ {
+ /* get a words worth of pixels */
+ wr16 = (((font_data8 & 0x80) ? sed_fg_color << 8 : sed_bg_color << 8)
+ | ((font_data8 & 0x40) ? sed_fg_color << 0 : sed_bg_color << 0));
+ font_data8 = font_data8 << 2;
+ WR_FB16(sed_mem_add, wr16);
+ /* if we are in the 2nd frame buffer, write to the 1st
+ * frame buffer also
+ */
+ if (sed_row > (ROWS_PER_SCREEN - 1)) {
+ WR_FB16((sed_mem_add - SED_FB_SIZE(sed_color_depth)), wr16);
+ }
+ sed_mem_add += 2;
+ } /* for font_col */
+ /* go to the next pixel row */
+ sed_mem_add += (SED_ROW_SIZE(sed_color_depth) - ((FONT_WIDTH * sed_color_depth) / 8));
+ } /* for font_row */
+ break;
+
+ case 16:
+ /* Now render the font by painting one font row at a time */
+ for (font_row = 0; font_row < FONT_HEIGHT; font_row++) {
+ /* get the font row of data */
+ font_data8 = font8x16[(c * FONT_HEIGHT) + font_row];
+ for (font_col = 0; font_col < 8; font_col++)
+ {
+ /* get a words worth of pixels */
+ wr16 = ((font_data8 & 0x80) ?
+ vga_lookup[sed_fg_color] : vga_lookup[sed_bg_color]);
+ font_data8 = font_data8 << 1;
+ WR_FB16(sed_mem_add, wr16);
+ /* if we are in the 2nd frame buffer, write to the 1st
+ * frame buffer also.
+ */
+ if (sed_row > (ROWS_PER_SCREEN - 1)) {
+ WR_FB16((sed_mem_add - SED_FB_SIZE(sed_color_depth)), wr16);
+ }
+ sed_mem_add += 2;
+ } /* for font_col */
+ /* go to the next pixel row */
+ sed_mem_add += (SED_ROW_SIZE(sed_color_depth) - ((FONT_WIDTH * sed_color_depth) / 8));
+ } /* for font_row */
+ break;
+
+ } /* switch sed_color depth */
+ } /* FONT_WIDTH == 8 */
+ else
+ {
+ return;
+ }
+} /* sed_writechar() */
+
+static void sed_update_fb_offset(void)
+{
+ /* write the new sed_fb_offset value */
+ if (sed_disp_mode_crt) {
+ /* before we change the address offset, wait for the display to
+ * go from active to non-active, unless the display is not enabled
+ */
+ if (SED1356_REG_DISP_MODE & H2SED(SED1356_DISP_MODE_CRT)) { /* CRT is on */
+ while ((SED1356_REG_CRT_VER_NONDISP_and_START & H2SED(SED1356_VER_NONDISP)) == 0) {}
+ while ((SED1356_REG_CRT_VER_NONDISP_and_START & H2SED(SED1356_VER_NONDISP)) == 1) {}
+ }
+ SED1356_REG_CRT_DISP_START_LO_and_MID = H2SED(((sed_fb_offset & 0x00ffff) >> 0));
+ SED1356_REG_CRT_DISP_START_HI = H2SED(((sed_fb_offset & 0x070000) >> 16));
+ }
+ else /* LCD */
+ {
+ if (SED1356_REG_DISP_MODE & H2SED(SED1356_DISP_MODE_LCD)) { /* LCD is on */
+ while ((SED1356_REG_LCD_VER_NONDISP_and_START & H2SED(SED1356_VER_NONDISP)) == 0) {}
+ while ((SED1356_REG_LCD_VER_NONDISP_and_START & H2SED(SED1356_VER_NONDISP)) == 1) {}
+ }
+ SED1356_REG_LCD_DISP_START_LO_and_MID = H2SED(((sed_fb_offset & 0x00ffff) >> 0));
+ SED1356_REG_LCD_DISP_START_HI = H2SED(((sed_fb_offset & 0x070000) >> 16));
+ }
+}
+
+/* sed_scroll()
+ *
+ * Because we are most likely running out of FLASH and probably also with
+ * cache disabled, a brute force memcpy of the whole screen would be very
+ * slow, even with reduced color depths. Instead, we define a frame buffer
+ * that is twice the size of our actual display. This does limit us to a
+ * 1Mbyte active display size, but 640 x 480 @ 16-bits/pixel = 614K so it
+ * works just fine. 800 x 600 can be had by reducing the color depth to
+ * 8-bits/pixel and using the look up tables.
+ *
+ * With the double buffering, we always write to the first buffer, even
+ * when the second buffer is active. This allows us to scroll by adjusting
+ * the starting and ending addresses in the SED135x by one row. When we
+ * reach the end of our virtual buffer, we reset the starting and ending
+ * addresses to the first buffer. Note that we can not adjust the SED135x
+ * registers until it is in vertical retrace. That means we have to wait
+ * until it is in active display, then goes to non-display, unless the
+ * screen is blanked, in which case we can update immediately.
+ */
+void sed_scroll(void)
+{
+ sed_row++;
+
+ /* clear the new row(s) */
+ sed_clr_row(sed_row);
+ if (sed_row > (ROWS_PER_SCREEN - 1)) {
+ sed_clr_row(sed_row - ROWS_PER_SCREEN);
+ }
+ /* when sed_y_pos is greater than ROWS_PER_SCREEN we just adjust the
+ * start and end addresses in the SED135x. If it is equal to 2 *
+ * ROWS_PER_SCREEN, we reset the start and end addresses to SED_MEM_BASE.
+ */
+ if (sed_row > (ROWS_PER_SCREEN - 1)) {
+ if (sed_row > ((ROWS_PER_SCREEN * 2) - 1)) {
+ sed_fb_offset = 0x00;
+ sed_row = 0;
+ sed_clearscreen();
+ } else {
+ /* calculate the new offset address of the frame buffer in words */
+ sed_fb_offset += (SED_GET_ADD(1, 0, sed_color_depth) / 2);
+ }
+ sed_update_fb_offset();
+ } /* if (sed_row > (ROWS_PER_SCREEN - 1)) */
+}
+
+void sed_putstring(char *s)
+{
+ char *p = s;
+ while (*p)
+ sed_putchar(*p++);
+}
+
+void sed_clearscreen(void)
+{
+ int i;
+ uint16_t wr16;
+ int bg = sed_bg_color;
+ int fbsize = sed_frame_buffer_size();
+
+ /* we double buffer so clear ALL of memory */
+ fbsize *= 2;
+
+ /* fill the frame buffer with incrementing color values */
+ switch (sed_color_depth){
+ case 4: wr16 = bg | bg << 4 | bg << 8 | bg << 12; break;
+ case 8: wr16 = bg | bg << 8; break;
+ /* 16-bits bypasses the lookup table */
+ default: wr16 = vga_lookup[bg]; break;
+ }
+ for (i = 0; i < fbsize; i += 2){
+ sed_write_frame_buffer(i, wr16);
+ }
+}
diff --git a/bsps/arm/csb337/console/uarts.c b/bsps/arm/csb337/console/uarts.c
new file mode 100644
index 0000000000..b705a477b7
--- /dev/null
+++ b/bsps/arm/csb337/console/uarts.c
@@ -0,0 +1,243 @@
+/*
+ * Console driver for for KIT637_V6 (CSB637)
+ *
+ * This driver uses the shared console driver in
+ * ...../libbsp/shared/console.c
+ *
+ * Copyright (c) 2003 by Cogent Computer Systems
+ * Written by Jay Monkman <jtm@lopingdog.com>
+ *
+ * Modified by Fernando Nicodemos <fgnicodemos@terra.com.br>
+ * from NCB - Sistemas Embarcados Ltda. (Brazil)
+ *
+ * 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.
+ *
+ * Modified and FrameBuffer Console Device Support added by
+ * Joel Sherrill, 2009.
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <termios.h>
+#include <rtems/bspIo.h>
+
+#include <at91rm9200.h>
+#include <at91rm9200_dbgu.h>
+#include <libchip/serial.h>
+#include <libchip/sersupp.h>
+#include <bspopts.h>
+
+extern const console_fns dbgu_fns;
+
+#if ENABLE_LCD
+ extern const console_fns fbcons_fns;
+ #define LCD_DEV 1
+#else
+ #define LCD_DEV 0
+#endif
+
+#if (ENABLE_UMON && ENABLE_UMON_CONSOLE)
+ extern const console_fns umoncons_fns;
+ #define UMON_CONS_DEV 1
+#else
+ #define UMON_CONS_DEV 0
+#endif
+
+#if ENABLE_USART0 || ENABLE_USART1 || ENABLE_USART2 || ENABLE_USART3
+ extern const console_fns usart_polling_fns;
+#endif
+
+#if ENABLE_USART0
+ #define USART0_DEV 1
+#else
+ #define USART0_DEV 0
+#endif
+
+#if ENABLE_USART1
+ #define USART1_DEV 1
+#else
+ #define USART1_DEV 0
+#endif
+
+#if ENABLE_USART2
+ #define USART2_DEV 1
+#else
+ #define USART2_DEV 0
+#endif
+
+#if ENABLE_USART3
+ #define USART3_DEV 1
+#else
+ #define USART3_DEV 0
+#endif
+
+#define NUM_DEVS \
+ (1 + LCD_DEV + UMON_CONS_DEV + \
+ USART0_DEV + USART1_DEV + USART2_DEV + USART3_DEV)
+
+/* These are used by code in console.c */
+unsigned long Console_Configuration_Count = NUM_DEVS;
+
+/*
+ * There's one item in array for each UART.
+ *
+ * Some of these fields are marked "NOT USED". They are not used
+ * by console.c, but may be used by drivers in libchip
+ *
+ * when we add other types of UARTS we will need to move this
+ * structure to a generic uart.c file with only this in it
+ */
+console_tbl Console_Configuration_Ports[] = {
+ {
+ "/dev/com0", /* sDeviceName */
+ SERIAL_CUSTOM, /* deviceType */
+ &dbgu_fns, /* pDeviceFns */
+ NULL, /* deviceProbe */
+ NULL, /* pDeviceFlow */
+ 0, /* ulMargin - NOT USED */
+ 0, /* ulHysteresis - NOT USED */
+ NULL, /* pDeviceParams */
+ DBGU_BASE, /* ulCtrlPort1 - Pointer to DBGU regs */
+ 0, /* ulCtrlPort2 - NOT USED */
+ 0, /* ulDataPort - NOT USED */
+ NULL, /* getRegister - NOT USED */
+ NULL, /* setRegister - NOT USED */
+ NULL, /* getData - NOT USED */
+ NULL, /* setData - NOT USED */
+ 0, /* ulClock - NOT USED */
+ 0 /* ulIntVector - NOT USED */
+ },
+#if ENABLE_LCD
+ {
+ "/dev/fbcons", /* sDeviceName */
+ SERIAL_CUSTOM, /* deviceType */
+ &fbcons_fns, /* pDeviceFns */
+ NULL, /* deviceProbe */
+ NULL, /* pDeviceFlow */
+ 0, /* ulMargin - NOT USED */
+ 0, /* ulHysteresis - NOT USED */
+ NULL, /* pDeviceParams */
+ 0, /* ulCtrlPort1 - Pointer to DBGU regs */
+ 0, /* ulCtrlPort2 - NOT USED */
+ 0, /* ulDataPort - NOT USED */
+ NULL, /* getRegister - NOT USED */
+ NULL, /* setRegister - NOT USED */
+ NULL, /* getData - NOT USED */
+ NULL, /* setData - NOT USED */
+ 0, /* ulClock - NOT USED */
+ 0 /* ulIntVector - NOT USED */
+ },
+#endif
+#if (ENABLE_UMON && ENABLE_UMON_CONSOLE)
+ {
+ "/dev/umon", /* sDeviceName */
+ SERIAL_CUSTOM, /* deviceType */
+ &umoncons_fns, /* pDeviceFns */
+ NULL, /* deviceProbe */
+ NULL, /* pDeviceFlow */
+ 0, /* ulMargin - NOT USED */
+ 0, /* ulHysteresis - NOT USED */
+ NULL, /* pDeviceParams */
+ 0, /* ulCtrlPort1 - Pointer to UMON regs */
+ 0, /* ulCtrlPort2 - NOT USED */
+ 0, /* ulDataPort - NOT USED */
+ NULL, /* getRegister - NOT USED */
+ NULL, /* setRegister - NOT USED */
+ NULL, /* getData - NOT USED */
+ NULL, /* setData - NOT USED */
+ 0, /* ulClock - NOT USED */
+ 0 /* ulIntVector - NOT USED */
+ },
+#endif
+#if ENABLE_USART0
+ {
+ "/dev/com1", /* sDeviceName */
+ SERIAL_CUSTOM, /* deviceType */
+ &usart_polling_fns,/* pDeviceFns */
+ NULL, /* deviceProbe */
+ NULL, /* pDeviceFlow */
+ 0, /* ulMargin - NOT USED */
+ 0, /* ulHysteresis - NOT USED */
+ NULL, /* pDeviceParams */
+ USART0_BASE, /* ulCtrlPort1 - Pointer to USART 0 regs */
+ 0, /* ulCtrlPort2 - NOT USED */
+ 0, /* ulDataPort - NOT USED */
+ NULL, /* getRegister - NOT USED */
+ NULL, /* setRegister - NOT USED */
+ NULL, /* getData - NOT USED */
+ NULL, /* setData - NOT USED */
+ 0, /* ulClock - NOT USED */
+ 0 /* ulIntVector - NOT USED */
+ },
+#endif
+#if ENABLE_USART1
+ {
+ "/dev/com2", /* sDeviceName */
+ SERIAL_CUSTOM, /* deviceType */
+ &usart_polling_fns,/* pDeviceFns */
+ NULL, /* deviceProbe */
+ NULL, /* pDeviceFlow */
+ 0, /* ulMargin - NOT USED */
+ 0, /* ulHysteresis - NOT USED */
+ NULL, /* pDeviceParams */
+ USART1_BASE, /* ulCtrlPort1 - Pointer to USART 1 regs */
+ 0, /* ulCtrlPort2 - NOT USED */
+ 0, /* ulDataPort - NOT USED */
+ NULL, /* getRegister - NOT USED */
+ NULL, /* setRegister - NOT USED */
+ NULL, /* getData - NOT USED */
+ NULL, /* setData - NOT USED */
+ 0, /* ulClock - NOT USED */
+ 0 /* ulIntVector - NOT USED */
+ },
+#endif
+#if ENABLE_USART2
+ {
+ "/dev/com3", /* sDeviceName */
+ SERIAL_CUSTOM, /* deviceType */
+ &usart_polling_fns,/* pDeviceFns */
+ NULL, /* deviceProbe */
+ NULL, /* pDeviceFlow */
+ 0, /* ulMargin - NOT USED */
+ 0, /* ulHysteresis - NOT USED */
+ NULL, /* pDeviceParams */
+ USART2_BASE, /* ulCtrlPort1 - Pointer to USART 2 regs */
+ 0, /* ulCtrlPort2 - NOT USED */
+ 0, /* ulDataPort - NOT USED */
+ NULL, /* getRegister - NOT USED */
+ NULL, /* setRegister - NOT USED */
+ NULL, /* getData - NOT USED */
+ NULL, /* setData - NOT USED */
+ 0, /* ulClock - NOT USED */
+ 0 /* ulIntVector - NOT USED */
+ },
+#endif
+#if ENABLE_USART3
+ {
+ "/dev/com4", /* sDeviceName */
+ SERIAL_CUSTOM, /* deviceType */
+ &usart_polling_fns,/* pDeviceFns */
+ NULL, /* deviceProbe */
+ NULL, /* pDeviceFlow */
+ 0, /* ulMargin - NOT USED */
+ 0, /* ulHysteresis - NOT USED */
+ NULL, /* pDeviceParams */
+ USART3_BASE, /* ulCtrlPort1 - Pointer to USART 3 regs */
+ 0, /* ulCtrlPort2 - NOT USED */
+ 0, /* ulDataPort - NOT USED */
+ NULL, /* getRegister - NOT USED */
+ NULL, /* setRegister - NOT USED */
+ NULL, /* getData - NOT USED */
+ NULL, /* setData - NOT USED */
+ 0, /* ulClock - NOT USED */
+ 0 /* ulIntVector - NOT USED */
+ }
+#endif
+};
+
+console_tbl *BSP_get_uart_from_minor(int minor)
+{
+ return Console_Port_Tbl[minor];
+}
diff --git a/bsps/arm/csb337/console/usart.c b/bsps/arm/csb337/console/usart.c
new file mode 100644
index 0000000000..23b877ce64
--- /dev/null
+++ b/bsps/arm/csb337/console/usart.c
@@ -0,0 +1,261 @@
+/*
+ * Driver for AT91RM9200 USART ports
+ */
+
+/*
+ * COPYRIGHT (c) 2006-2009.
+ * NCB - Sistemas Embarcados Ltda. (Brazil)
+ * Fernando Nicodemos <fgnicodemos@terra.com.br>
+ *
+ * and
+ *
+ * COPYRIGHT (c) 1989-2009.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * 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 <rtems/libio.h>
+#include <termios.h>
+
+#include <at91rm9200.h>
+#include <at91rm9200_usart.h>
+#include <at91rm9200_pmc.h>
+#include <rtems/bspIo.h>
+#include <libchip/serial.h>
+#include <libchip/sersupp.h>
+
+/* static function prototypes */
+static int usart_first_open(int major, int minor, void *arg);
+static int usart_last_close(int major, int minor, void *arg);
+static int usart_read_polled(int minor);
+static ssize_t usart_write_polled_support(int minor, const char *buf, size_t len);
+static void usart_init(int minor);
+static void usart_write_polled(int minor, char c);
+static int usart_set_attributes(int minor, const struct termios *t);
+at91rm9200_usart_regs_t *usart_get_base(int minor);
+
+/* Pointers to functions for handling the UART polled. */
+const console_fns usart_polling_fns = {
+ libchip_serial_default_probe, /* deviceProbe */
+ usart_first_open, /* deviceFirstOpen */
+ usart_last_close, /* deviceLastClose */
+ usart_read_polled, /* deviceRead */
+ usart_write_polled_support, /* deviceWrite */
+ usart_init, /* deviceInitialize */
+ usart_write_polled, /* deviceWritePolled */
+ usart_set_attributes, /* deviceSetAttributes */
+ FALSE /* TRUE if interrupt driven, FALSE if not. */
+};
+
+at91rm9200_usart_regs_t *usart_get_base(int minor)
+{
+ console_tbl *console_entry;
+ at91rm9200_usart_regs_t *port;
+
+ console_entry = BSP_get_uart_from_minor(minor);
+
+ if (console_entry == NULL)
+ return 0;
+
+ port = (at91rm9200_usart_regs_t *) console_entry->ulCtrlPort1;
+ //printk( "minor=%d entry=%p port=%p\n", minor, console_entry, port );
+
+ return port;
+}
+
+/*
+ * Functions called via callbacks (i.e. the ones in uart_fns
+ */
+
+/*
+ * This is called the first time each device is opened. Since
+ * the driver is polled, we don't have to do anything. If the driver
+ * were interrupt driven, we'd enable interrupts here.
+ */
+static int usart_first_open(int major, int minor, void *arg)
+{
+ at91rm9200_usart_regs_t *usart;
+
+ usart = usart_get_base(minor);
+ if ( !usart )
+ return -1;
+
+ /* XXX port isn't being initialized or enabled */
+
+ /* XXX I hope this is enough */
+ usart->cr = (US_CR_RXEN | US_CR_TXEN);
+ return 0;
+}
+
+/*
+ * This is called the last time each device is closed. Since
+ * the driver is polled, we don't have to do anything. If the driver
+ * were interrupt driven, we'd disable interrupts here.
+ */
+static int usart_last_close(int major, int minor, void *arg)
+{
+ at91rm9200_usart_regs_t *usart;
+
+ usart = usart_get_base(minor);
+ if ( !usart )
+ return -1;
+
+ return 0;
+}
+
+/*
+ * Read one character from UART.
+ *
+ * return -1 if there's no data, otherwise return
+ * the character in lowest 8 bits of returned int.
+ */
+static int usart_read_polled(int minor)
+{
+ at91rm9200_usart_regs_t *usart;
+
+ usart = usart_get_base(minor);
+ if ( !usart )
+ return -1;
+
+ /* if nothing ready return -1 */
+ if ( (usart->sr & US_IER_RXRDY) == 0 )
+ return -1;
+
+ return usart->rhr;
+}
+
+
+/*
+ * Write character out
+ */
+static void usart_write_polled(int minor, char c)
+{
+ at91rm9200_usart_regs_t *usart;
+
+ usart = usart_get_base(minor);
+ if ( !usart )
+ return;
+
+ /* delay until TX empty */
+ while ( (usart->sr & US_IER_TXEMPTY) == 0 )
+ ;
+
+ usart->thr = c;
+}
+
+/*
+ * Write buffer to UART
+ *
+ * return 1 on success, -1 on error
+ */
+static ssize_t usart_write_polled_support(int minor, const char *buf, size_t len)
+{
+ at91rm9200_usart_regs_t *usart;
+ int nwrite=0;
+
+ /*
+ * Verify the minor number
+ */
+ usart = usart_get_base(minor);
+ if ( !usart )
+ return -1;
+
+ /*
+ * poll each byte in the string out of the port.
+ */
+ while (nwrite < len) {
+ usart_write_polled(minor, *buf++);
+ nwrite++;
+ }
+
+ /*
+ * return the number of bytes written.
+ */
+ return nwrite;
+
+ return 1;
+}
+
+
+/* Set up the UART. */
+static void usart_init(int minor)
+{
+ at91rm9200_usart_regs_t *usart;
+
+ usart = usart_get_base(minor);
+ if ( !usart )
+ return;
+
+}
+
+
+/* This is for setting baud rate, bits, etc. */
+static int usart_set_attributes(int minor, const struct termios *t)
+{
+ uint32_t brgr;
+ uint32_t mode, baud, baud_requested;
+ at91rm9200_usart_regs_t *usart;
+
+ usart = usart_get_base(minor);
+ if ( !usart )
+ return -1;
+
+ /* Get current mode register */
+ mode = usart->mr & ~(US_MR_USMODE | US_MR_USCLKS | US_MR_CHRL
+ | US_MR_PAR | US_MR_NBSTOP);
+
+ /* Byte size */
+ switch (t->c_cflag & CSIZE){
+ case CS5:
+ mode |= US_MR_CHRL_5;
+ break;
+ case CS6:
+ mode |= US_MR_CHRL_6;
+ break;
+ case CS7:
+ mode |= US_MR_CHRL_7;
+ break;
+ default:
+ mode |= US_MR_CHRL_8;
+ break;
+ }
+
+ /* Stop bits */
+ if (t->c_cflag & CSTOPB){
+ mode |= US_MR_NBSTOP_2; /* 2 stop bits */
+ } else
+ mode |= US_MR_NBSTOP_1; /* 1 stop bits */
+
+ /* Parity */
+ if (t->c_cflag & PARENB){
+ /* Mark or Space parity */
+ if (t->c_cflag & PARODD){
+ mode |= US_MR_PAR_ODD;
+ } else
+ mode |= US_MR_PAR_EVEN;
+ } else
+ mode |= US_MR_PAR_NONE;
+
+ baud_requested = t->c_ospeed;
+
+ /* If not, set the dbgu console baud as USART baud default */
+ if (!baud_requested)
+ baud_requested = BSP_get_baud();
+
+ baud = rtems_termios_baud_to_number(baud_requested);
+
+ brgr = (at91rm9200_get_mck() / 16) / baud;
+
+ if (brgr > 65535){ /* BRGR is 16-bit, so switch to slower clock */
+ brgr /= 8;
+ mode |= US_MR_USCLKS_MCK_DIV8;
+ }
+
+ usart->mr = mode;
+ usart->brgr = brgr;
+ return 0;
+}