diff options
Diffstat (limited to 'arch/m68k/cpu/mcf532x/cpu_init.c')
| -rw-r--r-- | arch/m68k/cpu/mcf532x/cpu_init.c | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/arch/m68k/cpu/mcf532x/cpu_init.c b/arch/m68k/cpu/mcf532x/cpu_init.c new file mode 100644 index 000000000..6f551b60c --- /dev/null +++ b/arch/m68k/cpu/mcf532x/cpu_init.c @@ -0,0 +1,350 @@ +/* + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2004-2008 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> + +#if defined(CONFIG_CMD_NET) +#include <config.h> +#include <net.h> +#include <asm/fec.h> +#endif + +#ifdef CONFIG_MCF5301x +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; + + /* watchdog is enabled by default - disable the watchdog */ +#ifndef CONFIG_WATCHDOG + /*wdog->cr = 0; */ +#endif + + scm1->mpr = 0x77777777; + scm1->pacra = 0; + scm1->pacrb = 0; + scm1->pacrc = 0; + scm1->pacrd = 0; + scm1->pacre = 0; + scm1->pacrf = 0; + scm1->pacrg = 0; + +#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \ + && defined(CONFIG_SYS_CS0_CTRL)) + gpio->par_cs |= GPIO_PAR_CS0_CS0; + fbcs->csar0 = CONFIG_SYS_CS0_BASE; + fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; + fbcs->csmr0 = CONFIG_SYS_CS0_MASK; +#endif + +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) + gpio->par_cs |= GPIO_PAR_CS1_CS1; + 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)) + gpio->par_cs |= GPIO_PAR_CS4; + 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)) + gpio->par_cs |= GPIO_PAR_CS5; + fbcs->csar5 = CONFIG_SYS_CS5_BASE; + fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; + fbcs->csmr5 = CONFIG_SYS_CS5_MASK; +#endif + +#ifdef CONFIG_FSL_I2C + gpio->par_feci2c = GPIO_PAR_FECI2C_SDA_SDA | GPIO_PAR_FECI2C_SCL_SCL; +#endif + + icache_enable(); +} + +/* initialize higher level parts of CPU like timers */ +int cpu_init_r(void) +{ +#ifdef CONFIG_MCFFEC + volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; +#endif +#ifdef CONFIG_MCFRTC + volatile rtc_t *rtc = (rtc_t *) (CONFIG_SYS_MCFRTC_BASE); + volatile rtcex_t *rtcex = (rtcex_t *) & rtc->extended; + + rtcex->gocu = CONFIG_SYS_RTC_CNT; + rtcex->gocl = CONFIG_SYS_RTC_SETUP; + +#endif +#ifdef CONFIG_MCFFEC + if (CONFIG_SYS_FEC0_MIIBASE != CONFIG_SYS_FEC1_MIIBASE) + ccm->misccr |= CCM_MISCCR_FECM; + else + ccm->misccr &= ~CCM_MISCCR_FECM; +#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 | GPIO_PAR_UART_U0RXD); + gpio->par_uart |= (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD); + break; + case 1: +#ifdef CONFIG_SYS_UART1_ALT1_GPIO + gpio->par_simp1h &= + ~(GPIO_PAR_SIMP1H_DATA1_UNMASK | + GPIO_PAR_SIMP1H_VEN1_UNMASK); + gpio->par_simp1h |= + (GPIO_PAR_SIMP1H_DATA1_U1TXD | GPIO_PAR_SIMP1H_VEN1_U1RXD); +#elif defined(CONFIG_SYS_UART1_ALT2_GPIO) + gpio->par_ssih &= + ~(GPIO_PAR_SSIH_RXD_UNMASK | GPIO_PAR_SSIH_TXD_UNMASK); + gpio->par_ssih |= + (GPIO_PAR_SSIH_RXD_U1RXD | GPIO_PAR_SSIH_TXD_U1TXD); +#endif + break; + case 2: +#ifdef CONFIG_SYS_UART2_PRI_GPIO + gpio->par_uart |= (GPIO_PAR_UART_U2TXD | GPIO_PAR_UART_U2RXD); +#elif defined(CONFIG_SYS_UART2_ALT1_GPIO) + gpio->par_dspih &= + ~(GPIO_PAR_DSPIH_SIN_UNMASK | GPIO_PAR_DSPIH_SOUT_UNMASK); + gpio->par_dspih |= + (GPIO_PAR_DSPIH_SIN_U2RXD | GPIO_PAR_DSPIH_SOUT_U2TXD); +#elif defined(CONFIG_SYS_UART2_ALT2_GPIO) + gpio->par_feci2c &= + ~(GPIO_PAR_FECI2C_SDA_UNMASK | GPIO_PAR_FECI2C_SCL_UNMASK); + gpio->par_feci2c |= + (GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_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) { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + gpio->par_fec |= + GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC0 | GPIO_PAR_FECI2C_MDIO0; + } else { + gpio->par_fec |= + GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC1 | GPIO_PAR_FECI2C_MDIO1; + } + } else { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + gpio->par_fec &= + ~(GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC); + gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII0_UNMASK; + } else { + gpio->par_fec &= + ~(GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC); + gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII1_UNMASK; + } + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* CONFIG_MCF5301x */ + +#ifdef CONFIG_MCF532x +void cpu_init_f(void) +{ + volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; + volatile scm2_t *scm2 = (scm2_t *) MMAP_SCM2; + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; + volatile wdog_t *wdog = (wdog_t *) MMAP_WDOG; + + /* watchdog is enabled by default - disable the watchdog */ +#ifndef CONFIG_WATCHDOG + wdog->cr = 0; +#endif + + scm1->mpr0 = 0x77777777; + scm2->pacra = 0; + scm2->pacrb = 0; + scm2->pacrc = 0; + scm2->pacrd = 0; + scm2->pacre = 0; + scm2->pacrf = 0; + scm2->pacrg = 0; + scm1->pacrh = 0; + + /* Port configuration */ + gpio->par_cs = 0; + +#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 + +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) + /* Latch chipselect */ + gpio->par_cs |= GPIO_PAR_CS1; + 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)) + gpio->par_cs |= GPIO_PAR_CS2; + 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)) + gpio->par_cs |= GPIO_PAR_CS3; + 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)) + gpio->par_cs |= GPIO_PAR_CS4; + 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)) + gpio->par_cs |= GPIO_PAR_CS5; + fbcs->csar5 = CONFIG_SYS_CS5_BASE; + fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; + fbcs->csmr5 = CONFIG_SYS_CS5_MASK; +#endif + +#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) +{ + 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_TXD0 | GPIO_PAR_UART_RXD0); + gpio->par_uart |= (GPIO_PAR_UART_TXD0 | GPIO_PAR_UART_RXD0); + break; + case 1: + gpio->par_uart &= + ~(GPIO_PAR_UART_TXD1(3) | GPIO_PAR_UART_RXD1(3)); + gpio->par_uart |= + (GPIO_PAR_UART_TXD1(3) | GPIO_PAR_UART_RXD1(3)); + break; + case 2: +#ifdef CONFIG_SYS_UART2_ALT1_GPIO + gpio->par_timer &= 0x0F; + gpio->par_timer |= (GPIO_PAR_TIN3_URXD2 | GPIO_PAR_TIN2_UTXD2); +#elif defined(CONFIG_SYS_UART2_ALT2_GPIO) + gpio->par_feci2c &= 0xFF00; + gpio->par_feci2c |= (GPIO_PAR_FECI2C_SCL_UTXD2 | GPIO_PAR_FECI2C_SDA_URXD2); +#elif defined(CONFIG_SYS_UART2_ALT3_GPIO) + gpio->par_ssi &= 0xF0FF; + gpio->par_ssi |= (GPIO_PAR_SSI_RXD(2) | GPIO_PAR_SSI_TXD(2)); +#endif + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if (setclear) { + gpio->par_fec |= GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO; + } else { + gpio->par_fec &= ~(GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC); + gpio->par_feci2c &= + ~(GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO); + } + return 0; +} +#endif +#endif /* CONFIG_MCF532x */ |