upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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350 lines
9.5 KiB
350 lines
9.5 KiB
/*
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*
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* (C) Copyright 2000-2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* (C) Copyright 2004-2008, 2012 Freescale Semiconductor, Inc.
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* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <watchdog.h>
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#include <asm/immap.h>
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#include <asm/io.h>
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#if defined(CONFIG_CMD_NET)
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#include <config.h>
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#include <net.h>
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#include <asm/fec.h>
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#endif
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#ifdef CONFIG_MCF5301x
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void cpu_init_f(void)
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{
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scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
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gpio_t *gpio = (gpio_t *) MMAP_GPIO;
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fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
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out_be32(&scm1->mpr, 0x77777777);
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out_be32(&scm1->pacra, 0);
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out_be32(&scm1->pacrb, 0);
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out_be32(&scm1->pacrc, 0);
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out_be32(&scm1->pacrd, 0);
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out_be32(&scm1->pacre, 0);
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out_be32(&scm1->pacrf, 0);
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out_be32(&scm1->pacrg, 0);
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#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
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&& defined(CONFIG_SYS_CS0_CTRL))
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setbits_8(&gpio->par_cs, GPIO_PAR_CS0_CS0);
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out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE);
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out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL);
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out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
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&& defined(CONFIG_SYS_CS1_CTRL))
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setbits_8(&gpio->par_cs, GPIO_PAR_CS1_CS1);
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out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE);
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out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL);
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out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
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&& defined(CONFIG_SYS_CS2_CTRL))
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out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE);
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out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL);
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out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
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&& defined(CONFIG_SYS_CS3_CTRL))
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out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE);
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out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL);
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out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
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&& defined(CONFIG_SYS_CS4_CTRL))
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setbits_8(&gpio->par_cs, GPIO_PAR_CS4);
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out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE);
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out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL);
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out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
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&& defined(CONFIG_SYS_CS5_CTRL))
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setbits_8(&gpio->par_cs, GPIO_PAR_CS5);
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out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE);
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out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL);
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out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK);
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#endif
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#ifdef CONFIG_SYS_I2C_FSL
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out_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_SDA_SDA | GPIO_PAR_FECI2C_SCL_SCL);
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#endif
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icache_enable();
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}
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/* initialize higher level parts of CPU like timers */
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int cpu_init_r(void)
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{
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#ifdef CONFIG_MCFFEC
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ccm_t *ccm = (ccm_t *) MMAP_CCM;
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#endif
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#ifdef CONFIG_MCFRTC
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rtc_t *rtc = (rtc_t *) (CONFIG_SYS_MCFRTC_BASE);
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rtcex_t *rtcex = (rtcex_t *) &rtc->extended;
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out_be32(&rtcex->gocu, CONFIG_SYS_RTC_CNT);
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out_be32(&rtcex->gocl, CONFIG_SYS_RTC_SETUP);
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#endif
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#ifdef CONFIG_MCFFEC
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if (CONFIG_SYS_FEC0_MIIBASE != CONFIG_SYS_FEC1_MIIBASE)
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setbits_be16(&ccm->misccr, CCM_MISCCR_FECM);
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else
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clrbits_be16(&ccm->misccr, CCM_MISCCR_FECM);
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#endif
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return (0);
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}
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void uart_port_conf(int port)
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{
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gpio_t *gpio = (gpio_t *) MMAP_GPIO;
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/* Setup Ports: */
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switch (port) {
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case 0:
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clrbits_8(&gpio->par_uart,
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GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD);
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setbits_8(&gpio->par_uart,
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GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD);
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break;
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case 1:
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#ifdef CONFIG_SYS_UART1_ALT1_GPIO
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clrbits_8(&gpio->par_simp1h,
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GPIO_PAR_SIMP1H_DATA1_UNMASK |
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GPIO_PAR_SIMP1H_VEN1_UNMASK);
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setbits_8(&gpio->par_simp1h,
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GPIO_PAR_SIMP1H_DATA1_U1TXD |
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GPIO_PAR_SIMP1H_VEN1_U1RXD);
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#elif defined(CONFIG_SYS_UART1_ALT2_GPIO)
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clrbits_8(&gpio->par_ssih,
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GPIO_PAR_SSIH_RXD_UNMASK |
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GPIO_PAR_SSIH_TXD_UNMASK);
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setbits_8(&gpio->par_ssih,
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GPIO_PAR_SSIH_RXD_U1RXD |
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GPIO_PAR_SSIH_TXD_U1TXD);
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#endif
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break;
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case 2:
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#ifdef CONFIG_SYS_UART2_PRI_GPIO
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setbits_8(&gpio->par_uart,
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GPIO_PAR_UART_U2TXD |
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GPIO_PAR_UART_U2RXD);
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#elif defined(CONFIG_SYS_UART2_ALT1_GPIO)
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clrbits_8(&gpio->par_dspih,
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GPIO_PAR_DSPIH_SIN_UNMASK |
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GPIO_PAR_DSPIH_SOUT_UNMASK);
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setbits_8(&gpio->par_dspih,
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GPIO_PAR_DSPIH_SIN_U2RXD |
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GPIO_PAR_DSPIH_SOUT_U2TXD);
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#elif defined(CONFIG_SYS_UART2_ALT2_GPIO)
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clrbits_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_SDA_UNMASK |
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GPIO_PAR_FECI2C_SCL_UNMASK);
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setbits_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_SDA_U2TXD |
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GPIO_PAR_FECI2C_SCL_U2RXD);
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#endif
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break;
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}
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}
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#if defined(CONFIG_CMD_NET)
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int fecpin_setclear(struct eth_device *dev, int setclear)
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{
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gpio_t *gpio = (gpio_t *) MMAP_GPIO;
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struct fec_info_s *info = (struct fec_info_s *)dev->priv;
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if (setclear) {
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if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
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setbits_8(&gpio->par_fec,
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GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC);
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setbits_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_MDC0 | GPIO_PAR_FECI2C_MDIO0);
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} else {
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setbits_8(&gpio->par_fec,
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GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC);
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setbits_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_MDC1 | GPIO_PAR_FECI2C_MDIO1);
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}
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} else {
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if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
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clrbits_8(&gpio->par_fec,
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GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC);
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clrbits_8(&gpio->par_feci2c, ~GPIO_PAR_FECI2C_RMII0_UNMASK);
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} else {
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clrbits_8(&gpio->par_fec,
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GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC);
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clrbits_8(&gpio->par_feci2c, ~GPIO_PAR_FECI2C_RMII1_UNMASK);
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}
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}
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return 0;
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}
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#endif /* CONFIG_CMD_NET */
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#endif /* CONFIG_MCF5301x */
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#ifdef CONFIG_MCF532x
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void cpu_init_f(void)
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{
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scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
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scm2_t *scm2 = (scm2_t *) MMAP_SCM2;
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gpio_t *gpio = (gpio_t *) MMAP_GPIO;
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fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
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wdog_t *wdog = (wdog_t *) MMAP_WDOG;
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/* watchdog is enabled by default - disable the watchdog */
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#ifndef CONFIG_WATCHDOG
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out_be16(&wdog->cr, 0);
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#endif
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out_be32(&scm1->mpr0, 0x77777777);
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out_be32(&scm2->pacra, 0);
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out_be32(&scm2->pacrb, 0);
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out_be32(&scm2->pacrc, 0);
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out_be32(&scm2->pacrd, 0);
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out_be32(&scm2->pacre, 0);
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out_be32(&scm2->pacrf, 0);
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out_be32(&scm2->pacrg, 0);
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out_be32(&scm1->pacrh, 0);
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/* Port configuration */
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out_8(&gpio->par_cs, 0);
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#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
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&& defined(CONFIG_SYS_CS0_CTRL))
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out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE);
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out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL);
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out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
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&& defined(CONFIG_SYS_CS1_CTRL))
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/* Latch chipselect */
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setbits_8(&gpio->par_cs, GPIO_PAR_CS1);
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out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE);
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out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL);
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out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
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&& defined(CONFIG_SYS_CS2_CTRL))
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setbits_8(&gpio->par_cs, GPIO_PAR_CS2);
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out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE);
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out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL);
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out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
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&& defined(CONFIG_SYS_CS3_CTRL))
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setbits_8(&gpio->par_cs, GPIO_PAR_CS3);
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out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE);
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out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL);
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out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
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&& defined(CONFIG_SYS_CS4_CTRL))
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setbits_8(&gpio->par_cs, GPIO_PAR_CS4);
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out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE);
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out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL);
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out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK);
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#endif
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#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
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&& defined(CONFIG_SYS_CS5_CTRL))
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setbits_8(&gpio->par_cs, GPIO_PAR_CS5);
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out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE);
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out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL);
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out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK);
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#endif
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#ifdef CONFIG_SYS_I2C_FSL
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out_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA);
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#endif
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icache_enable();
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}
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/*
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* initialize higher level parts of CPU like timers
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*/
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int cpu_init_r(void)
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{
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return (0);
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}
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void uart_port_conf(int port)
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{
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gpio_t *gpio = (gpio_t *) MMAP_GPIO;
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/* Setup Ports: */
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switch (port) {
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case 0:
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clrbits_be16(&gpio->par_uart,
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GPIO_PAR_UART_TXD0 | GPIO_PAR_UART_RXD0);
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setbits_be16(&gpio->par_uart,
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GPIO_PAR_UART_TXD0 | GPIO_PAR_UART_RXD0);
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break;
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case 1:
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clrbits_be16(&gpio->par_uart,
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GPIO_PAR_UART_TXD1(3) | GPIO_PAR_UART_RXD1(3));
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setbits_be16(&gpio->par_uart,
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GPIO_PAR_UART_TXD1(3) | GPIO_PAR_UART_RXD1(3));
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break;
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case 2:
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#ifdef CONFIG_SYS_UART2_ALT1_GPIO
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clrbits_8(&gpio->par_timer, 0xf0);
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setbits_8(&gpio->par_timer,
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GPIO_PAR_TIN3_URXD2 | GPIO_PAR_TIN2_UTXD2);
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#elif defined(CONFIG_SYS_UART2_ALT2_GPIO)
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clrbits_8(&gpio->par_feci2c, 0x00ff);
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setbits_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_SCL_UTXD2 | GPIO_PAR_FECI2C_SDA_URXD2);
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#elif defined(CONFIG_SYS_UART2_ALT3_GPIO)
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clrbits_be16(&gpio->par_ssi, 0x0f00);
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setbits_be16(&gpio->par_ssi,
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GPIO_PAR_SSI_RXD(2) | GPIO_PAR_SSI_TXD(2));
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#endif
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break;
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}
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}
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#if defined(CONFIG_CMD_NET)
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int fecpin_setclear(struct eth_device *dev, int setclear)
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{
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gpio_t *gpio = (gpio_t *) MMAP_GPIO;
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if (setclear) {
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setbits_8(&gpio->par_fec,
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GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC);
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setbits_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO);
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} else {
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clrbits_8(&gpio->par_fec,
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GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC);
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clrbits_8(&gpio->par_feci2c,
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GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO);
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}
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return 0;
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}
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#endif
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#endif /* CONFIG_MCF532x */
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