| /* |
| * |
| * (C) Copyright 2000-2003 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * (C) Copyright 2004-2007, 2012 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> |
| #include <asm/io.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) |
| { |
| scm1_t *scm1 = (scm1_t *) MMAP_SCM1; |
| gpio_t *gpio = (gpio_t *) MMAP_GPIO; |
| fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; |
| |
| out_be32(&scm1->mpr, 0x77777777); |
| out_be32(&scm1->pacra, 0); |
| out_be32(&scm1->pacrb, 0); |
| out_be32(&scm1->pacrc, 0); |
| out_be32(&scm1->pacrd, 0); |
| out_be32(&scm1->pacre, 0); |
| out_be32(&scm1->pacrf, 0); |
| out_be32(&scm1->pacrg, 0); |
| |
| /* FlexBus */ |
| out_8(&gpio->par_be, |
| GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | |
| GPIO_PAR_BE_BE1_BE1 | GPIO_PAR_BE_BE0_BE0); |
| out_8(&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)) |
| out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE); |
| out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL); |
| out_be32(&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 */ |
| out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE); |
| out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL); |
| out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK); |
| #endif |
| |
| #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL)) |
| out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE); |
| out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL); |
| out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK); |
| #endif |
| |
| #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL)) |
| out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE); |
| out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL); |
| out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK); |
| #endif |
| |
| #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL)) |
| out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE); |
| out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL); |
| out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK); |
| #endif |
| |
| #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL)) |
| out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE); |
| out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL); |
| out_be32(&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 |
| out_be16(&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 |
| rtc_t *rtc = (rtc_t *)(CONFIG_SYS_MCFRTC_BASE); |
| rtcex_t *rtcex = (rtcex_t *)&rtc->extended; |
| |
| out_be32(&rtcex->gocu, (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xffff); |
| out_be32(&rtcex->gocl, CONFIG_SYS_RTC_OSCILLATOR & 0xffff); |
| #endif |
| |
| return (0); |
| } |
| |
| void uart_port_conf(int port) |
| { |
| gpio_t *gpio = (gpio_t *) MMAP_GPIO; |
| |
| /* Setup Ports: */ |
| switch (port) { |
| case 0: |
| clrbits_8(&gpio->par_uart, |
| GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); |
| setbits_8(&gpio->par_uart, |
| GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); |
| break; |
| case 1: |
| #ifdef CONFIG_SYS_UART1_PRI_GPIO |
| clrbits_8(&gpio->par_uart, |
| GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD); |
| setbits_8(&gpio->par_uart, |
| GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD); |
| #elif defined(CONFIG_SYS_UART1_ALT1_GPIO) |
| clrbits_be16(&gpio->par_ssi, |
| ~(GPIO_PAR_SSI_SRXD_UNMASK | GPIO_PAR_SSI_STXD_UNMASK)); |
| setbits_be16(&gpio->par_ssi, |
| GPIO_PAR_SSI_SRXD_U1RXD | GPIO_PAR_SSI_STXD_U1TXD); |
| #endif |
| break; |
| case 2: |
| #if defined(CONFIG_SYS_UART2_ALT1_GPIO) |
| clrbits_8(&gpio->par_timer, |
| ~(GPIO_PAR_TIMER_T3IN_UNMASK | GPIO_PAR_TIMER_T2IN_UNMASK)); |
| setbits_8(&gpio->par_timer, |
| GPIO_PAR_TIMER_T3IN_U2RXD | GPIO_PAR_TIMER_T2IN_U2TXD); |
| #elif defined(CONFIG_SYS_UART2_ALT2_GPIO) |
| clrbits_8(&gpio->par_timer, |
| ~(GPIO_PAR_FECI2C_SCL_UNMASK | GPIO_PAR_FECI2C_SDA_UNMASK)); |
| setbits_8(&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) |
| { |
| gpio_t *gpio = (gpio_t *) MMAP_GPIO; |
| struct fec_info_s *info = (struct fec_info_s *)dev->priv; |
| |
| if (setclear) { |
| #ifdef CONFIG_SYS_FEC_NO_SHARED_PHY |
| if (info->iobase == CONFIG_SYS_FEC0_IOBASE) |
| setbits_be16(&gpio->par_feci2c, |
| GPIO_PAR_FECI2C_MDC0_MDC0 | |
| GPIO_PAR_FECI2C_MDIO0_MDIO0); |
| else |
| setbits_be16(&gpio->par_feci2c, |
| GPIO_PAR_FECI2C_MDC1_MDC1 | |
| GPIO_PAR_FECI2C_MDIO1_MDIO1); |
| #else |
| setbits_be16(&gpio->par_feci2c, |
| GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0); |
| #endif |
| |
| if (info->iobase == CONFIG_SYS_FEC0_IOBASE) |
| setbits_8(&gpio->par_fec, GPIO_PAR_FEC_FEC0_RMII_GPIO); |
| else |
| setbits_8(&gpio->par_fec, GPIO_PAR_FEC_FEC1_RMII_ATA); |
| } else { |
| clrbits_be16(&gpio->par_feci2c, |
| GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0); |
| |
| if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { |
| #ifdef CONFIG_SYS_FEC_FULL_MII |
| setbits_8(&gpio->par_fec, GPIO_PAR_FEC_FEC0_MII); |
| #else |
| clrbits_8(&gpio->par_fec, ~GPIO_PAR_FEC_FEC0_UNMASK); |
| #endif |
| } else { |
| #ifdef CONFIG_SYS_FEC_FULL_MII |
| setbits_8(&gpio->par_fec, GPIO_PAR_FEC_FEC1_MII); |
| #else |
| clrbits_8(&gpio->par_fec, ~GPIO_PAR_FEC_FEC1_UNMASK); |
| #endif |
| } |
| } |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_CF_DSPI |
| void cfspi_port_conf(void) |
| { |
| gpio_t *gpio = (gpio_t *) MMAP_GPIO; |
| |
| out_8(&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) |
| { |
| dspi_t *dspi = (dspi_t *) MMAP_DSPI; |
| gpio_t *gpio = (gpio_t *) MMAP_GPIO; |
| |
| if ((in_be32(&dspi->sr) & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) |
| return -1; |
| |
| /* Clear FIFO and resume transfer */ |
| clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF); |
| |
| switch (cs) { |
| case 0: |
| clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0); |
| setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0); |
| break; |
| case 1: |
| clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1); |
| setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1); |
| break; |
| case 2: |
| clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2); |
| setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2); |
| break; |
| case 3: |
| clrbits_8(&gpio->par_dma, ~GPIO_PAR_DMA_DACK0_UNMASK); |
| setbits_8(&gpio->par_dma, GPIO_PAR_DMA_DACK0_PCS3); |
| break; |
| case 5: |
| clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5); |
| setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5); |
| break; |
| } |
| |
| return 0; |
| } |
| |
| void cfspi_release_bus(uint bus, uint cs) |
| { |
| dspi_t *dspi = (dspi_t *) MMAP_DSPI; |
| gpio_t *gpio = (gpio_t *) MMAP_GPIO; |
| |
| /* Clear FIFO */ |
| clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF); |
| |
| switch (cs) { |
| case 0: |
| clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0); |
| break; |
| case 1: |
| clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1); |
| break; |
| case 2: |
| clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2); |
| break; |
| case 3: |
| clrbits_8(&gpio->par_dma, ~GPIO_PAR_DMA_DACK0_UNMASK); |
| break; |
| case 5: |
| clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5); |
| break; |
| } |
| } |
| #endif |