diff options
Diffstat (limited to 'board/astro/mcf5373l')
| -rw-r--r-- | board/astro/mcf5373l/Makefile | 44 | ||||
| -rw-r--r-- | board/astro/mcf5373l/astro.h | 44 | ||||
| -rw-r--r-- | board/astro/mcf5373l/config.mk | 27 | ||||
| -rw-r--r-- | board/astro/mcf5373l/fpga.c | 425 | ||||
| -rw-r--r-- | board/astro/mcf5373l/mcf5373l.c | 211 | ||||
| -rw-r--r-- | board/astro/mcf5373l/u-boot.lds | 142 |
6 files changed, 893 insertions, 0 deletions
diff --git a/board/astro/mcf5373l/Makefile b/board/astro/mcf5373l/Makefile new file mode 100644 index 0000000..c7a1d05 --- /dev/null +++ b/board/astro/mcf5373l/Makefile @@ -0,0 +1,44 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o fpga.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/astro/mcf5373l/astro.h b/board/astro/mcf5373l/astro.h new file mode 100644 index 0000000..b55a6f7 --- /dev/null +++ b/board/astro/mcf5373l/astro.h @@ -0,0 +1,44 @@ +#ifndef __ASTRO_H__ +#define __ASTRO_H__ + +/* in mcf5373l.c */ +int rs_serial_init(int port, int baud); +void astro_put_char(char ch); +int astro_is_char(void); +int astro_get_char(void); + +/* in fpga.c */ +int astro5373l_altera_load(void); +int astro5373l_xilinx_load(void); + +/* data structures used for communication (update.c) */ +typedef struct card_id { + char card_type; + char hardware_version; + char software_version; + char software_subversion; /* " ","a".."z" */ + char fpga_version_altera; + char fpga_version_xilinx; +} card_id_t; + +typedef struct { + unsigned char mode; + unsigned char deviation; + unsigned short freq; +} __attribute__ ((packed)) output_params_t; + +typedef struct { + unsigned short satfreq; + unsigned char satdatallg; + unsigned short symbolrate; + unsigned char viterbirate; + unsigned char symbolrate_l; + output_params_t output_params; + unsigned char reserve; + unsigned char card_error; + unsigned short dummy_ts_id; + unsigned char dummy_pat_ver; + unsigned char dummy_sdt_ver; +} __attribute__ ((packed)) parameters_t; + +#endif /* __ASTRO_H__ */ diff --git a/board/astro/mcf5373l/config.mk b/board/astro/mcf5373l/config.mk new file mode 100644 index 0000000..6316a30 --- /dev/null +++ b/board/astro/mcf5373l/config.mk @@ -0,0 +1,27 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.com> +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +TEXT_BASE = $(CONFIG_TEXT_BASE) + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) diff --git a/board/astro/mcf5373l/fpga.c b/board/astro/mcf5373l/fpga.c new file mode 100644 index 0000000..467461b --- /dev/null +++ b/board/astro/mcf5373l/fpga.c @@ -0,0 +1,425 @@ +/* + * (C) Copyright 2006 + * Wolfgang Wegner, ASTRO Strobel Kommunikationssysteme GmbH, + * w.wegner@astro-kom.de + * + * based on the files by + * Heiko Schocher, DENX Software Engineering, hs@denx.de + * and + * Rich Ireland, Enterasys Networks, rireland@enterasys.com. + * Keith Outwater, keith_outwater@mvis.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +/* Altera/Xilinx FPGA configuration support for the ASTRO "URMEL" board */ + +#include <common.h> +#include <watchdog.h> +#include <altera.h> +#include <ACEX1K.h> +#include <spartan3.h> +#include <command.h> +#include <asm/immap_5329.h> +#include <asm/io.h> +#include "fpga.h" + +DECLARE_GLOBAL_DATA_PTR; + +int altera_pre_fn(int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + unsigned char tmp_char; + unsigned short tmp_short; + + /* first, set the required pins to GPIO function */ + /* PAR_T0IN -> GPIO */ + tmp_char = readb(&gpiop->par_timer); + tmp_char &= 0xfc; + writeb(tmp_char, &gpiop->par_timer); + /* all QSPI pins -> GPIO */ + writew(0x0000, &gpiop->par_qspi); + /* U0RTS, U0CTS -> GPIO */ + tmp_short = __raw_readw(&gpiop->par_uart); + tmp_short &= 0xfff3; + __raw_writew(tmp_short, &gpiop->par_uart); + /* all PWM pins -> GPIO */ + writeb(0x00, &gpiop->par_pwm); + /* next, set data direction registers */ + writeb(0x01, &gpiop->pddr_timer); + writeb(0x25, &gpiop->pddr_qspi); + writeb(0x0c, &gpiop->pddr_uart); + writeb(0x04, &gpiop->pddr_pwm); + + /* ensure other SPI peripherals are deselected */ + writeb(0x08, &gpiop->ppd_uart); + writeb(0x38, &gpiop->ppd_qspi); + + /* CONFIG = 0 STATUS = 0 -> FPGA in reset state */ + writeb(0xFB, &gpiop->pclrr_uart); + /* enable Altera configuration by clearing QSPI_CS2 and DT0IN */ + writeb(0xFE, &gpiop->pclrr_timer); + writeb(0xDF, &gpiop->pclrr_qspi); + return FPGA_SUCCESS; +} + +/* Set the state of CONFIG Pin */ +int altera_config_fn(int assert_config, int flush, int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + if (assert_config) + writeb(0x04, &gpiop->ppd_uart); + else + writeb(0xFB, &gpiop->pclrr_uart); + return FPGA_SUCCESS; +} + +/* Returns the state of STATUS Pin */ +int altera_status_fn(int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + if (readb(&gpiop->ppd_pwm) & 0x08) + return FPGA_FAIL; + return FPGA_SUCCESS; +} + +/* Returns the state of CONF_DONE Pin */ +int altera_done_fn(int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + if (readb(&gpiop->ppd_pwm) & 0x20) + return FPGA_FAIL; + return FPGA_SUCCESS; +} + +/* + * writes the complete buffer to the FPGA + * writing the complete buffer in one function is much faster, + * then calling it for every bit + */ +int altera_write_fn(void *buf, size_t len, int flush, int cookie) +{ + size_t bytecount = 0; + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + unsigned char *data = (unsigned char *)buf; + unsigned char val = 0; + int i; + int len_40 = len / 40; + + while (bytecount < len) { + val = data[bytecount++]; + i = 8; + do { + writeb(0xFB, &gpiop->pclrr_qspi); + if (val & 0x01) + writeb(0x01, &gpiop->ppd_qspi); + else + writeb(0xFE, &gpiop->pclrr_qspi); + writeb(0x04, &gpiop->ppd_qspi); + val >>= 1; + i--; + } while (i > 0); + + if (bytecount % len_40 == 0) { +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) + WATCHDOG_RESET(); +#endif +#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK + putc('.'); /* let them know we are alive */ +#endif +#ifdef CONFIG_SYS_FPGA_CHECK_CTRLC + if (ctrlc()) + return FPGA_FAIL; +#endif + } + } + return FPGA_SUCCESS; +} + +/* called, when programming is aborted */ +int altera_abort_fn(int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + writeb(0x20, &gpiop->ppd_qspi); + writeb(0x08, &gpiop->ppd_uart); + return FPGA_SUCCESS; +} + +/* called, when programming was succesful */ +int altera_post_fn(int cookie) +{ + return altera_abort_fn(cookie); +} + +/* + * Note that these are pointers to code that is in Flash. They will be + * relocated at runtime. + * FIXME: relocation not yet working for coldfire, see below! + */ +Altera_CYC2_Passive_Serial_fns altera_fns = { + altera_pre_fn, + altera_config_fn, + altera_status_fn, + altera_done_fn, + altera_write_fn, + altera_abort_fn, + altera_post_fn +}; + +Altera_desc altera_fpga[CONFIG_FPGA_COUNT] = { + {Altera_CYC2, + passive_serial, + 85903, + (void *)&altera_fns, + NULL, + 0} +}; + +/* Initialize the fpga. Return 1 on success, 0 on failure. */ +int astro5373l_altera_load(void) +{ + int i; + + for (i = 0; i < CONFIG_FPGA_COUNT; i++) { + /* + * I did not yet manage to get relocation work properly, + * so set stuff here instead of static initialisation: + */ + altera_fns.pre = altera_pre_fn; + altera_fns.config = altera_config_fn; + altera_fns.status = altera_status_fn; + altera_fns.done = altera_done_fn; + altera_fns.write = altera_write_fn; + altera_fns.abort = altera_abort_fn; + altera_fns.post = altera_post_fn; + altera_fpga[i].iface_fns = (void *)&altera_fns; + fpga_add(fpga_altera, &altera_fpga[i]); + } + return 1; +} + +/* Set the FPGA's PROG_B line to the specified level */ +int xilinx_pgm_fn(int assert, int flush, int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + if (assert) + writeb(0xFB, &gpiop->pclrr_uart); + else + writeb(0x04, &gpiop->ppd_uart); + return assert; +} + +/* + * Test the state of the active-low FPGA INIT line. Return 1 on INIT + * asserted (low). + */ +int xilinx_init_fn(int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + return (readb(&gpiop->ppd_pwm) & 0x08) == 0; +} + +/* Test the state of the active-high FPGA DONE pin */ +int xilinx_done_fn(int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + return (readb(&gpiop->ppd_pwm) & 0x20) >> 5; +} + +/* Abort an FPGA operation */ +int xilinx_abort_fn(int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + /* ensure all SPI peripherals and FPGAs are deselected */ + writeb(0x08, &gpiop->ppd_uart); + writeb(0x01, &gpiop->ppd_timer); + writeb(0x38, &gpiop->ppd_qspi); + return FPGA_FAIL; +} + +/* + * FPGA pre-configuration function. Just make sure that + * FPGA reset is asserted to keep the FPGA from starting up after + * configuration. + */ +int xilinx_pre_config_fn(int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + unsigned char tmp_char; + unsigned short tmp_short; + + /* first, set the required pins to GPIO function */ + /* PAR_T0IN -> GPIO */ + tmp_char = readb(&gpiop->par_timer); + tmp_char &= 0xfc; + writeb(tmp_char, &gpiop->par_timer); + /* all QSPI pins -> GPIO */ + writew(0x0000, &gpiop->par_qspi); + /* U0RTS, U0CTS -> GPIO */ + tmp_short = __raw_readw(&gpiop->par_uart); + tmp_short &= 0xfff3; + __raw_writew(tmp_short, &gpiop->par_uart); + /* all PWM pins -> GPIO */ + writeb(0x00, &gpiop->par_pwm); + /* next, set data direction registers */ + writeb(0x01, &gpiop->pddr_timer); + writeb(0x25, &gpiop->pddr_qspi); + writeb(0x0c, &gpiop->pddr_uart); + writeb(0x04, &gpiop->pddr_pwm); + + /* ensure other SPI peripherals are deselected */ + writeb(0x08, &gpiop->ppd_uart); + writeb(0x38, &gpiop->ppd_qspi); + writeb(0x01, &gpiop->ppd_timer); + + /* CONFIG = 0, STATUS = 0 -> FPGA in reset state */ + writeb(0xFB, &gpiop->pclrr_uart); + /* enable Xilinx configuration by clearing QSPI_CS2 and U0CTS */ + writeb(0xF7, &gpiop->pclrr_uart); + writeb(0xDF, &gpiop->pclrr_qspi); + return 0; +} + +/* + * FPGA post configuration function. Should perform a test if FPGA is running. + */ +int xilinx_post_config_fn(int cookie) +{ + int rc = 0; + + /* + * no test yet + */ + return rc; +} + +int xilinx_clk_fn(int assert_clk, int flush, int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + if (assert_clk) + writeb(0x04, &gpiop->ppd_qspi); + else + writeb(0xFB, &gpiop->pclrr_qspi); + return assert_clk; +} + +int xilinx_wr_fn(int assert_write, int flush, int cookie) +{ + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + + if (assert_write) + writeb(0x01, &gpiop->ppd_qspi); + else + writeb(0xFE, &gpiop->pclrr_qspi); + return assert_write; +} + +int xilinx_fastwr_fn(void *buf, size_t len, int flush, int cookie) +{ + size_t bytecount = 0; + gpio_t *gpiop = (gpio_t *)MMAP_GPIO; + unsigned char *data = (unsigned char *)buf; + unsigned char val = 0; + int i; + int len_40 = len / 40; + + for (bytecount = 0; bytecount < len; bytecount++) { + val = *(data++); + for (i = 8; i > 0; i--) { + writeb(0xFB, &gpiop->pclrr_qspi); + if (val & 0x80) + writeb(0x01, &gpiop->ppd_qspi); + else + writeb(0xFE, &gpiop->pclrr_qspi); + writeb(0x04, &gpiop->ppd_qspi); + val <<= 1; + } + if (bytecount % len_40 == 0) { +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) + WATCHDOG_RESET(); +#endif +#ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK + putc('.'); /* let them know we are alive */ +#endif +#ifdef CONFIG_SYS_FPGA_CHECK_CTRLC + if (ctrlc()) + return FPGA_FAIL; +#endif + } + } + return FPGA_SUCCESS; +} + +/* + * Note that these are pointers to code that is in Flash. They will be + * relocated at runtime. + * FIXME: relocation not yet working for coldfire, see below! + */ +Xilinx_Spartan3_Slave_Serial_fns xilinx_fns = { + xilinx_pre_config_fn, + xilinx_pgm_fn, + xilinx_clk_fn, + xilinx_init_fn, + xilinx_done_fn, + xilinx_wr_fn, + 0, + xilinx_fastwr_fn +}; + +Xilinx_desc xilinx_fpga[CONFIG_FPGA_COUNT] = { + {Xilinx_Spartan3, + slave_serial, + XILINX_XC3S4000_SIZE, + (void *)&xilinx_fns, + 0} +}; + +/* Initialize the fpga. Return 1 on success, 0 on failure. */ +int astro5373l_xilinx_load(void) +{ + int i; + + fpga_init(); + + for (i = 0; i < CONFIG_FPGA_COUNT; i++) { + /* + * I did not yet manage to get relocation work properly, + * so set stuff here instead of static initialisation: + */ + xilinx_fns.pre = xilinx_pre_config_fn; + xilinx_fns.pgm = xilinx_pgm_fn; + xilinx_fns.clk = xilinx_clk_fn; + xilinx_fns.init = xilinx_init_fn; + xilinx_fns.done = xilinx_done_fn; + xilinx_fns.wr = xilinx_wr_fn; + xilinx_fns.bwr = xilinx_fastwr_fn; + xilinx_fpga[i].iface_fns = (void *)&xilinx_fns; + fpga_add(fpga_xilinx, &xilinx_fpga[i]); + } + return 1; +} diff --git a/board/astro/mcf5373l/mcf5373l.c b/board/astro/mcf5373l/mcf5373l.c new file mode 100644 index 0000000..3c09a21 --- /dev/null +++ b/board/astro/mcf5373l/mcf5373l.c @@ -0,0 +1,211 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * modified by Wolfgang Wegner <w.wegner@astro-kom.de> for ASTRO 5373l + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <watchdog.h> +#include <command.h> +#include <asm/m5329.h> +#include <asm/immap_5329.h> +#include <asm/io.h> + +/* needed for astro bus: */ +#include <asm/uart.h> +#include "astro.h" + +DECLARE_GLOBAL_DATA_PTR; +extern void uart_port_conf(void); + +int checkboard(void) +{ + puts("Board: "); + puts("ASTRO MCF5373L (Urmel) Board\n"); + return 0; +} + +phys_size_t initdram(int board_type) +{ +#if !defined(CONFIG_MONITOR_IS_IN_RAM) + sdram_t *sdp = (sdram_t *)(MMAP_SDRAM); + + /* + * GPIO configuration for bus should be set correctly from reset, + * so we do not care! First, set up address space: at this point, + * we should be running from internal SRAM; + * so use CONFIG_SYS_SDRAM_BASE as the base address for SDRAM, + * and do not care where it is + */ + __raw_writel((CONFIG_SYS_SDRAM_BASE & 0xFFF00000) | 0x00000018, + &sdp->cs0); + __raw_writel((CONFIG_SYS_SDRAM_BASE & 0xFFF00000) | 0x00000000, + &sdp->cs1); + /* + * I am not sure from the data sheet, but it seems burst length + * has to be 8 for the 16 bit data bus we use; + * so these values are for BL = 8 + */ + __raw_writel(0x33211530, &sdp->cfg1); + __raw_writel(0x56570000, &sdp->cfg2); + /* send PrechargeALL, REF and IREF remain cleared! */ + __raw_writel(0xE1462C02, &sdp->ctrl); + udelay(1); + /* refresh SDRAM twice */ + __raw_writel(0xE1462C04, &sdp->ctrl); + udelay(1); + __raw_writel(0xE1462C04, &sdp->ctrl); + /* init MR */ + __raw_writel(0x008D0000, &sdp->mode); + /* initialize EMR */ + __raw_writel(0x80010000, &sdp->mode); + /* wait until DLL is locked */ + udelay(1); + /* + * enable automatic refresh, lock mode register, + * clear iref and ipall + */ + __raw_writel(0x71462C00, &sdp->ctrl); + /* Dummy write to start SDRAM */ + writel(0, CONFIG_SYS_SDRAM_BASE); +#endif + + /* + * for get_ram_size() to work, both CS areas have to be + * configured, i.e. CS1 has to be explicitely disabled, else + * probing for memory will cause the SDRAM bus to hang! + * (Do not rely on the SDCS register(s) being set to 0x00000000 + * during reset as stated in the data sheet.) + */ + return get_ram_size((unsigned long *)CONFIG_SYS_SDRAM_BASE, + 0x80000000 - CONFIG_SYS_SDRAM_BASE); +} + +#define UART_BASE MMAP_UART0 +int rs_serial_init(int port, int baud) +{ + uart_t *uart; + u32 counter; + + switch (port) { + case 0: + uart = (uart_t *)(MMAP_UART0); + break; + case 1: + uart = (uart_t *)(MMAP_UART1); + break; + case 2: + uart = (uart_t *)(MMAP_UART2); + break; + default: + uart = (uart_t *)(MMAP_UART0); + } + + uart_port_conf(); + + /* write to SICR: SIM2 = uart mode,dcd does not affect rx */ + writeb(UART_UCR_RESET_RX, &uart->ucr); + writeb(UART_UCR_RESET_TX, &uart->ucr); + writeb(UART_UCR_RESET_ERROR, &uart->ucr); + writeb(UART_UCR_RESET_MR, &uart->ucr); + __asm__ ("nop"); + + writeb(0, &uart->uimr); + + /* write to CSR: RX/TX baud rate from timers */ + writeb(UART_UCSR_RCS_SYS_CLK | UART_UCSR_TCS_SYS_CLK, &uart->ucsr); + + writeb(UART_UMR_BC_8 | UART_UMR_PM_NONE, &uart->umr); + writeb(UART_UMR_SB_STOP_BITS_1, &uart->umr); + + /* Setting up BaudRate */ + counter = (u32) (gd->bus_clk / (baud)); + counter >>= 5; + + /* write to CTUR: divide counter upper byte */ + writeb((u8) ((counter & 0xff00) >> 8), &uart->ubg1); + /* write to CTLR: divide counter lower byte */ + writeb((u8) (counter & 0x00ff), &uart->ubg2); + + writeb(UART_UCR_RX_ENABLED | UART_UCR_TX_ENABLED, &uart->ucr); + + return 0; +} + +void astro_put_char(char ch) +{ + uart_t *uart; + unsigned long timer; + + uart = (uart_t *)(MMAP_UART0); + /* + * Wait for last character to go. Timeout of 6ms should + * be enough for our lowest baud rate of 2400. + */ + timer = get_timer(0); + while (get_timer(timer) < 6) { + if (readb(&uart->usr) & UART_USR_TXRDY) + break; + } + writeb(ch, &uart->utb); + + return; +} + +int astro_is_char(void) +{ + uart_t *uart; + + uart = (uart_t *)(MMAP_UART0); + return readb(&uart->usr) & UART_USR_RXRDY; +} + +int astro_get_char(void) +{ + uart_t *uart; + + uart = (uart_t *)(MMAP_UART0); + while (!(readb(&uart->usr) & UART_USR_RXRDY)) ; + return readb(&uart->urb); +} + +int misc_init_r(void) +{ + int retval = 0; + + puts("Configure Xilinx FPGA..."); + retval = astro5373l_xilinx_load(); + if (!retval) { + puts("failed!\n"); + return retval; + } + puts("done\n"); + + puts("Configure Altera FPGA..."); + retval = astro5373l_altera_load(); + if (!retval) { + puts("failed!\n"); + return retval; + } + puts("done\n"); + + return retval; +} diff --git a/board/astro/mcf5373l/u-boot.lds b/board/astro/mcf5373l/u-boot.lds new file mode 100644 index 0000000..a9a4e0a --- /dev/null +++ b/board/astro/mcf5373l/u-boot.lds @@ -0,0 +1,142 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(m68k) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/mcf532x/start.o (.text) + lib_m68k/traps.o (.text) + lib_m68k/interrupts.o (.text) + common/dlmalloc.o (.text) + lib_generic/zlib.o (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/env_embedded.o (.text) + + *(.text) +/* *(.fixup)*/ + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + + .reloc : + { + __got_start = .; + *(.got) + __got_end = .; + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + _sbss = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +} |