+++ /dev/null
-/*
- *
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2004-2007 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew@freescale.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
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <asm/immap.h>
-#include <asm/processor.h>
-#include <asm/rtc.h>
-
-#if defined(CONFIG_CMD_NET)
-#include <config.h>
-#include <net.h>
-#include <asm/fec.h>
-#endif
-
-/*
- * Breath some life into the CPU...
- *
- * Set up the memory map,
- * initialize a bunch of registers,
- * initialize the UPM's
- */
-void cpu_init_f(void)
-{
- volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
-
- scm1->mpr = 0x77777777;
- scm1->pacra = 0;
- scm1->pacrb = 0;
- scm1->pacrc = 0;
- scm1->pacrd = 0;
- scm1->pacre = 0;
- scm1->pacrf = 0;
- scm1->pacrg = 0;
-
- /* FlexBus */
- gpio->par_be =
- GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | GPIO_PAR_BE_BE1_BE1 |
- GPIO_PAR_BE_BE0_BE0;
- gpio->par_fbctl =
- GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA | GPIO_PAR_FBCTL_RW_RW |
- GPIO_PAR_FBCTL_TS_TS;
-
-#if !defined(CONFIG_CF_SBF)
-#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
- fbcs->csar0 = CONFIG_SYS_CS0_BASE;
- fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
- fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
-#endif
-#endif
-
-#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
- /* Latch chipselect */
- fbcs->csar1 = CONFIG_SYS_CS1_BASE;
- fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
- fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
-#endif
-
-#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL))
- fbcs->csar2 = CONFIG_SYS_CS2_BASE;
- fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
- fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
-#endif
-
-#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL))
- fbcs->csar3 = CONFIG_SYS_CS3_BASE;
- fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
- fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
-#endif
-
-#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL))
- fbcs->csar4 = CONFIG_SYS_CS4_BASE;
- fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
- fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
-#endif
-
-#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL))
- fbcs->csar5 = CONFIG_SYS_CS5_BASE;
- fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
- fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
-#endif
-
- /*
- * now the flash base address is no longer at 0 (Newer ColdFire family
- * boot at address 0 instead of 0xFFnn_nnnn). The vector table must
- * also move to the new location.
- */
- if (CONFIG_SYS_CS0_BASE != 0)
- setvbr(CONFIG_SYS_CS0_BASE);
-
-#ifdef CONFIG_FSL_I2C
- gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA;
-#endif
-
- icache_enable();
-}
-
-/*
- * initialize higher level parts of CPU like timers
- */
-int cpu_init_r(void)
-{
-#ifdef CONFIG_MCFRTC
- volatile rtc_t *rtc = (volatile rtc_t *)(CONFIG_SYS_MCFRTC_BASE);
- volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended;
-
- rtcex->gocu = (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xFFFF;
- rtcex->gocl = CONFIG_SYS_RTC_OSCILLATOR & 0xFFFF;
-#endif
-
- return (0);
-}
-
-void uart_port_conf(int port)
-{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- /* Setup Ports: */
- switch (port) {
- case 0:
- gpio->par_uart &=
- ~(GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
- gpio->par_uart |=
- (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
- break;
- case 1:
-#ifdef CONFIG_SYS_UART1_PRI_GPIO
- gpio->par_uart &=
- ~(GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
- gpio->par_uart |=
- (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
-#elif defined(CONFIG_SYS_UART1_ALT1_GPIO)
- gpio->par_ssi &=
- (GPIO_PAR_SSI_SRXD_UNMASK | GPIO_PAR_SSI_STXD_UNMASK);
- gpio->par_ssi |=
- (GPIO_PAR_SSI_SRXD_U1RXD | GPIO_PAR_SSI_STXD_U1TXD);
-#endif
- break;
- case 2:
-#if defined(CONFIG_SYS_UART2_ALT1_GPIO)
- gpio->par_timer &=
- (GPIO_PAR_TIMER_T3IN_UNMASK | GPIO_PAR_TIMER_T2IN_UNMASK);
- gpio->par_timer |=
- (GPIO_PAR_TIMER_T3IN_U2RXD | GPIO_PAR_TIMER_T2IN_U2TXD);
-#elif defined(CONFIG_SYS_UART2_ALT2_GPIO)
- gpio->par_timer &=
- (GPIO_PAR_FECI2C_SCL_UNMASK | GPIO_PAR_FECI2C_SDA_UNMASK);
- gpio->par_timer |=
- (GPIO_PAR_FECI2C_SCL_U2TXD | GPIO_PAR_FECI2C_SDA_U2RXD);
-#endif
- break;
- }
-}
-
-#if defined(CONFIG_CMD_NET)
-int fecpin_setclear(struct eth_device *dev, int setclear)
-{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- struct fec_info_s *info = (struct fec_info_s *)dev->priv;
-
- if (setclear) {
- gpio->par_feci2c |=
- (GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
-
- if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
- gpio->par_fec |= GPIO_PAR_FEC_FEC0_RMII_GPIO;
- else
- gpio->par_fec |= GPIO_PAR_FEC_FEC1_RMII_ATA;
- } else {
- gpio->par_feci2c &=
- ~(GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
-
- if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
- gpio->par_fec &= GPIO_PAR_FEC_FEC0_UNMASK;
- else
- gpio->par_fec &= GPIO_PAR_FEC_FEC1_UNMASK;
- }
- return 0;
-}
-#endif
-
-#ifdef CONFIG_CF_DSPI
-void cfspi_port_conf(void)
-{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- gpio->par_dspi = GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
- GPIO_PAR_DSPI_SCK_SCK;
-}
-
-int cfspi_claim_bus(uint bus, uint cs)
-{
- volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
- return -1;
-
- /* Clear FIFO and resume transfer */
- dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF);
-
- switch (cs) {
- case 0:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
- gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0;
- break;
- case 1:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1;
- gpio->par_dspi |= GPIO_PAR_DSPI_PCS1_PCS1;
- break;
- case 2:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2;
- gpio->par_dspi |= GPIO_PAR_DSPI_PCS2_PCS2;
- break;
- case 5:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5;
- gpio->par_dspi |= GPIO_PAR_DSPI_PCS5_PCS5;
- break;
- }
-
- return 0;
-}
-
-void cfspi_release_bus(uint bus, uint cs)
-{
- volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */
-
- switch (cs) {
- case 0:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
- break;
- case 1:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1;
- break;
- case 2:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2;
- break;
- case 5:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5;
- break;
- }
-}
-#endif
projects / u-boot / blobdiff