/* * Breathe some life into the CPU... * * Set up the memory map, * initialize a bunch of registers, * initialize the UPM's */ void cpu_init_f(void) { /* * if we come from RAM we assume the CPU is * already initialized. */ #ifndef CONFIG_MONITOR_IS_IN_RAM volatile wdog_t *wdog_reg = (wdog_t *) (MMAP_WDOG); volatile gpio_t *gpio_reg = (gpio_t *) (MMAP_GPIO); /* Kill watchdog so we can initialize the PLL */ wdog_reg->wcr = 0; /* FlexBus Chipselect */ init_fbcs(); #endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */ #ifdef CONFIG_FSL_I2C CONFIG_SYS_I2C_PINMUX_REG &= CONFIG_SYS_I2C_PINMUX_CLR; CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET; #endif /* enable instruction cache now */ icache_enable(); }
/* * 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) { /* * NOTE: by setting the GPIO_FUNCTION registers, we ensure that the UART pins * (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins * which is their primary function. * ~Jeremy */ mbar2_writeLong(MCFSIM_GPIO_FUNC, CONFIG_SYS_GPIO_FUNC); mbar2_writeLong(MCFSIM_GPIO1_FUNC, CONFIG_SYS_GPIO1_FUNC); mbar2_writeLong(MCFSIM_GPIO_EN, CONFIG_SYS_GPIO_EN); mbar2_writeLong(MCFSIM_GPIO1_EN, CONFIG_SYS_GPIO1_EN); mbar2_writeLong(MCFSIM_GPIO_OUT, CONFIG_SYS_GPIO_OUT); mbar2_writeLong(MCFSIM_GPIO1_OUT, CONFIG_SYS_GPIO1_OUT); /* * dBug Compliance: * You can verify these values by using dBug's 'ird' * (Internal Register Display) command * ~Jeremy * */ mbar_writeByte(MCFSIM_MPARK, 0x30); /* 5249 Internal Core takes priority over DMA */ mbar_writeByte(MCFSIM_SYPCR, 0x00); mbar_writeByte(MCFSIM_SWIVR, 0x0f); mbar_writeByte(MCFSIM_SWSR, 0x00); mbar_writeLong(MCFSIM_IMR, 0xfffffbff); mbar_writeByte(MCFSIM_SWDICR, 0x00); mbar_writeByte(MCFSIM_TIMER1ICR, 0x00); mbar_writeByte(MCFSIM_TIMER2ICR, 0x88); mbar_writeByte(MCFSIM_I2CICR, 0x00); mbar_writeByte(MCFSIM_UART1ICR, 0x00); mbar_writeByte(MCFSIM_UART2ICR, 0x00); mbar_writeByte(MCFSIM_ICR6, 0x00); mbar_writeByte(MCFSIM_ICR7, 0x00); mbar_writeByte(MCFSIM_ICR8, 0x00); mbar_writeByte(MCFSIM_ICR9, 0x00); mbar_writeByte(MCFSIM_QSPIICR, 0x00); mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080); mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */ mbar2_writeByte(MCFSIM_SPURVEC, 0x00); mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); /* Enable a 1 cycle pre-drive cycle on CS1 */ /* Setup interrupt priorities for gpio7 */ /* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */ /* IDE Config registers */ mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); mbar2_writeLong(MCFSIM_IDECONFIG2, 0x00000000); /* FlexBus Chipselect */ init_fbcs(); /* enable instruction cache now */ icache_enable(); }
void cpu_init_f(void) { #ifndef CONFIG_WATCHDOG /* Disable the watchdog if we aren't using it */ mbar_writeShort(MCF_WTM_WCR, 0); #endif /* FlexBus Chipselect */ init_fbcs(); #ifdef CONFIG_SYS_MCF_SYNCR /* Set clockspeed according to board header file */ mbar_writeLong(MCF_FMPLL_SYNCR, CONFIG_SYS_MCF_SYNCR); #else /* Set clockspeed to 100MHz */ mbar_writeLong(MCF_FMPLL_SYNCR, MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0)); #endif while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ; }
/* * 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) { mbar_writeByte(MCFSIM_MPARK, 0x40); /* 5249 Internal Core takes priority over DMA */ mbar_writeByte(MCFSIM_SYPCR, 0x00); mbar_writeByte(MCFSIM_SWIVR, 0x0f); mbar_writeByte(MCFSIM_SWSR, 0x00); mbar_writeByte(MCFSIM_SWDICR, 0x00); mbar_writeByte(MCFSIM_TIMER1ICR, 0x00); mbar_writeByte(MCFSIM_TIMER2ICR, 0x88); mbar_writeByte(MCFSIM_I2CICR, 0x00); mbar_writeByte(MCFSIM_UART1ICR, 0x00); mbar_writeByte(MCFSIM_UART2ICR, 0x00); mbar_writeByte(MCFSIM_ICR6, 0x00); mbar_writeByte(MCFSIM_ICR7, 0x00); mbar_writeByte(MCFSIM_ICR8, 0x00); mbar_writeByte(MCFSIM_ICR9, 0x00); mbar_writeByte(MCFSIM_QSPIICR, 0x00); mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080); mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */ mbar2_writeByte(MCFSIM_SPURVEC, 0x00); /*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); */ /* Enable a 1 cycle pre-drive cycle on CS1 */ /* FlexBus Chipselect */ init_fbcs(); #ifdef CONFIG_FSL_I2C CONFIG_SYS_I2C_PINMUX_REG = CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR; CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET; #ifdef CONFIG_SYS_I2C2_OFFSET CONFIG_SYS_I2C2_PINMUX_REG &= CONFIG_SYS_I2C2_PINMUX_CLR; CONFIG_SYS_I2C2_PINMUX_REG |= CONFIG_SYS_I2C2_PINMUX_SET; #endif #endif /* enable instruction cache now */ icache_enable(); }
void cpu_init_f(void) { volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; #ifndef CONFIG_WATCHDOG volatile wdog_t *wdg = (wdog_t *) MMAP_WDOG; /* Disable the watchdog if we aren't using it */ wdg->cr = 0; #endif scm1->mpr = 0x77777777; scm1->pacra = 0; scm1->pacrb = 0; scm1->pacrc = 0; scm1->pacrd = 0; scm1->pacre = 0; scm1->pacrf = 0; /* FlexBus Chipselect */ init_fbcs(); icache_enable(); }
/* * 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) { gpio_t *gpio = (gpio_t *) MMAP_GPIO; #ifdef CONFIG_MCF5441x scm_t *scm = (scm_t *) MMAP_SCM; pm_t *pm = (pm_t *) MMAP_PM; /* Disable Switch */ *(unsigned long *)(MMAP_L2_SW0 + 0x00000024) = 0; /* Disable core watchdog */ out_be16(&scm->cwcr, 0); out_8(&gpio->par_fbctl, GPIO_PAR_FBCTL_ALE_FB_ALE | GPIO_PAR_FBCTL_OE_FB_OE | GPIO_PAR_FBCTL_FBCLK | GPIO_PAR_FBCTL_RW | GPIO_PAR_FBCTL_TA_TA); 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); /* eDMA */ out_8(&pm->pmcr0, 17); /* INTR0 - INTR2 */ out_8(&pm->pmcr0, 18); out_8(&pm->pmcr0, 19); out_8(&pm->pmcr0, 20); /* I2C */ out_8(&pm->pmcr0, 22); out_8(&pm->pmcr1, 4); out_8(&pm->pmcr1, 7); /* DTMR0 - DTMR3*/ out_8(&pm->pmcr0, 28); out_8(&pm->pmcr0, 29); out_8(&pm->pmcr0, 30); out_8(&pm->pmcr0, 31); /* PIT0 - PIT3 */ out_8(&pm->pmcr0, 32); out_8(&pm->pmcr0, 33); out_8(&pm->pmcr0, 34); out_8(&pm->pmcr0, 35); /* Edge Port */ out_8(&pm->pmcr0, 36); out_8(&pm->pmcr0, 37); /* USB OTG */ out_8(&pm->pmcr0, 44); /* USB Host */ out_8(&pm->pmcr0, 45); /* ESDHC */ out_8(&pm->pmcr0, 51); /* ENET0 - ENET1 */ out_8(&pm->pmcr0, 53); out_8(&pm->pmcr0, 54); /* NAND */ out_8(&pm->pmcr0, 63); #ifdef CONFIG_SYS_I2C_0 out_8(&gpio->par_cani2c, 0xF0); /* I2C0 pull up */ out_be16(&gpio->pcr_b, 0x003C); /* I2C0 max speed */ out_8(&gpio->srcr_cani2c, 0x03); #endif #ifdef CONFIG_SYS_I2C_2 /* I2C2 */ out_8(&gpio->par_ssi0h, 0xA0); /* I2C2, UART7 */ out_8(&gpio->par_ssi0h, 0xA8); /* UART7 */ out_8(&gpio->par_ssi0l, 0x2); /* UART8, UART9 */ out_8(&gpio->par_cani2c, 0xAA); /* UART4, UART0 */ out_8(&gpio->par_uart0, 0xAF); /* UART5, UART1 */ out_8(&gpio->par_uart1, 0xAF); /* UART6, UART2 */ out_8(&gpio->par_uart2, 0xAF); /* I2C2 pull up */ out_be16(&gpio->pcr_h, 0xF000); #endif #ifdef CONFIG_SYS_I2C_5 /* I2C5 */ out_8(&gpio->par_uart1, 0x0A); /* I2C5 pull up */ out_be16(&gpio->pcr_e, 0x0003); out_be16(&gpio->pcr_f, 0xC000); #endif /* Lowest slew rate for UART0,1,2 */ out_8(&gpio->srcr_uart, 0x00); #endif /* CONFIG_MCF5441x */ #ifdef CONFIG_MCF5445x scm1_t *scm1 = (scm1_t *) MMAP_SCM1; 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); #ifdef CONFIG_SYS_FSL_I2C out_be16(&gpio->par_feci2c, GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA); #endif #endif /* CONFIG_MCF5445x */ /* FlexBus Chipselect */ init_fbcs(); /* * 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); icache_enable(); }
/* * 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) { #ifndef CONFIG_WATCHDOG /* disable watchdog if we aren't using it */ MCFWTM_WCR = 0; #endif #ifndef CONFIG_MONITOR_IS_IN_RAM /* Set speed /PLL */ MCFCLOCK_SYNCR = MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) | MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD); while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ; MCFGPIO_PBCDPAR = 0xc0; /* Set up the GPIO ports */ #ifdef CONFIG_SYS_PEPAR MCFGPIO_PEPAR = CONFIG_SYS_PEPAR; #endif #ifdef CONFIG_SYS_PFPAR MCFGPIO_PFPAR = CONFIG_SYS_PFPAR; #endif #ifdef CONFIG_SYS_PJPAR MCFGPIO_PJPAR = CONFIG_SYS_PJPAR; #endif #ifdef CONFIG_SYS_PSDPAR MCFGPIO_PSDPAR = CONFIG_SYS_PSDPAR; #endif #ifdef CONFIG_SYS_PASPAR MCFGPIO_PASPAR = CONFIG_SYS_PASPAR; #endif #ifdef CONFIG_SYS_PEHLPAR MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR; #endif #ifdef CONFIG_SYS_PQSPAR MCFGPIO_PQSPAR = CONFIG_SYS_PQSPAR; #endif #ifdef CONFIG_SYS_PTCPAR MCFGPIO_PTCPAR = CONFIG_SYS_PTCPAR; #endif #if defined(CONFIG_SYS_PORTTC) MCFGPIO_PORTTC = CONFIG_SYS_PORTTC; #endif #if defined(CONFIG_SYS_DDRTC) MCFGPIO_DDRTC = CONFIG_SYS_DDRTC; #endif #ifdef CONFIG_SYS_PTDPAR MCFGPIO_PTDPAR = CONFIG_SYS_PTDPAR; #endif #ifdef CONFIG_SYS_PUAPAR MCFGPIO_PUAPAR = CONFIG_SYS_PUAPAR; #endif #if defined(CONFIG_SYS_DDRD) MCFGPIO_DDRD = CONFIG_SYS_DDRD; #endif #ifdef CONFIG_SYS_DDRUA MCFGPIO_DDRUA = CONFIG_SYS_DDRUA; #endif /* FlexBus Chipselect */ init_fbcs(); #endif /* CONFIG_MONITOR_IS_IN_RAM */ /* defer enabling cache until boot (see do_go) */ /* icache_enable(); */ }