diff options
Diffstat (limited to 'arch/m68k/cpu/mcf52x2/cpu_init.c')
| -rw-r--r-- | arch/m68k/cpu/mcf52x2/cpu_init.c | 766 |
1 files changed, 766 insertions, 0 deletions
diff --git a/arch/m68k/cpu/mcf52x2/cpu_init.c b/arch/m68k/cpu/mcf52x2/cpu_init.c new file mode 100644 index 0000000..5d0e9f0 --- /dev/null +++ b/arch/m68k/cpu/mcf52x2/cpu_init.c @@ -0,0 +1,766 @@ +/* + * (C) Copyright 2003 + * Josef Baumgartner <josef.baumgartner@telex.de> + * + * MCF5282 additionals + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de> + * (c) Copyright 2010 + * Arcturus Networks Inc. <www.arcturusnetworks.com> + * + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * Hayden Fraser (Hayden.Fraser@freescale.com) + * + * MCF5275 additions + * Copyright (C) 2008 Arthur Shipkowski (art@videon-central.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/io.h> + +#if defined(CONFIG_CMD_NET) +#include <config.h> +#include <net.h> +#include <asm/fec.h> +#endif + +#ifndef CONFIG_M5272 +/* Only 5272 Flexbus chipselect is different from the rest */ +void init_fbcs(void) +{ + fbcs_t *fbcs = (fbcs_t *) (MMAP_FBCS); + +#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); +#else +#warning "Chip Select 0 are not initialized/used" +#endif +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) + 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 +#if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) \ + && defined(CONFIG_SYS_CS6_CTRL)) + out_be32(&fbcs->csar6, CONFIG_SYS_CS6_BASE); + out_be32(&fbcs->cscr6, CONFIG_SYS_CS6_CTRL); + out_be32(&fbcs->csmr6, CONFIG_SYS_CS6_MASK); +#endif +#if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) \ + && defined(CONFIG_SYS_CS7_CTRL)) + out_be32(&fbcs->csar7, CONFIG_SYS_CS7_BASE); + out_be32(&fbcs->cscr7, CONFIG_SYS_CS7_CTRL); + out_be32(&fbcs->csmr7, CONFIG_SYS_CS7_MASK); +#endif +} +#endif + +#if defined(CONFIG_M5208) +void cpu_init_f(void) +{ + scm1_t *scm1 = (scm1_t *) MMAP_SCM1; + +#ifndef CONFIG_WATCHDOG + wdog_t *wdg = (wdog_t *) MMAP_WDOG; + + /* Disable the watchdog if we aren't using it */ + out_be16(&wdg->cr, 0); +#endif + + 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); + + /* FlexBus Chipselect */ + init_fbcs(); + + icache_enable(); +} + +/* initialize higher level parts of CPU like timers */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + /* Setup Ports: */ + switch (port) { + case 0: + clrbits_be16(&gpio->par_uart, ~GPIO_PAR_UART0_UNMASK); + setbits_be16(&gpio->par_uart, GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD); + break; + case 1: + clrbits_be16(&gpio->par_uart, ~GPIO_PAR_UART0_UNMASK); + setbits_be16(&gpio->par_uart, GPIO_PAR_UART_U1TXD | GPIO_PAR_UART_U1RXD); + break; + case 2: +#ifdef CONFIG_SYS_UART2_PRI_GPIO + clrbits_8(&gpio->par_timer, + ~(GPIO_PAR_TMR_TIN0_UNMASK | GPIO_PAR_TMR_TIN1_UNMASK)); + setbits_8(&gpio->par_timer, + GPIO_PAR_TMR_TIN0_U2TXD | GPIO_PAR_TMR_TIN1_U2RXD); +#endif +#ifdef CONFIG_SYS_UART2_ALT1_GPIO + clrbits_8(&gpio->par_feci2c, + ~(GPIO_PAR_FECI2C_MDC_UNMASK | GPIO_PAR_FECI2C_MDIO_UNMASK)); + setbits_8(&gpio->par_feci2c, + GPIO_PAR_FECI2C_MDC_U2TXD | GPIO_PAR_FECI2C_MDIO_U2RXD); +#endif +#ifdef CONFIG_SYS_UART2_ALT1_GPIO + clrbits_8(&gpio->par_feci2c, + ~(GPIO_PAR_FECI2C_SDA_UNMASK | GPIO_PAR_FECI2C_SCL_UNMASK)); + setbits_8(&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) +{ + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if (setclear) { + setbits_8(&gpio->par_fec, + GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC); + setbits_8(&gpio->par_feci2c, + GPIO_PAR_FECI2C_MDC_MDC | GPIO_PAR_FECI2C_MDIO_MDIO); + } else { + clrbits_8(&gpio->par_fec, + ~(GPIO_PAR_FEC_7W_UNMASK & GPIO_PAR_FEC_MII_UNMASK)); + clrbits_8(&gpio->par_feci2c, ~GPIO_PAR_FECI2C_RMII_UNMASK); + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* CONFIG_M5208 */ + +#if defined(CONFIG_M5253) +/* + * 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(); +} + +/*initialize higher level parts of CPU like timers */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ + u32 *par = (u32 *) MMAP_PAR; + + /* Setup Ports: */ + switch (port) { + case 1: + clrbits_be32(par, 0x00180000); + setbits_be32(par, 0x00180000); + break; + case 2: + clrbits_be32(par, 0x00000003); + clrbits_be32(par, 0xFFFFFFFC); + break; + } +} +#endif /* #if defined(CONFIG_M5253) */ + +#if defined(CONFIG_M5271) +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)) ; +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ + u16 temp; + + /* Setup Ports: */ + switch (port) { + case 0: + temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xFFF3; + temp |= (MCF_GPIO_PAR_UART_U0TXD | MCF_GPIO_PAR_UART_U0RXD); + mbar_writeShort(MCF_GPIO_PAR_UART, temp); + break; + case 1: + temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xF0FF; + temp |= (MCF_GPIO_PAR_UART_U1RXD_UART1 | MCF_GPIO_PAR_UART_U1TXD_UART1); + mbar_writeShort(MCF_GPIO_PAR_UART, temp); + break; + case 2: + temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xCFFF; + temp |= (0x3000); + mbar_writeShort(MCF_GPIO_PAR_UART, temp); + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + if (setclear) { + /* Enable Ethernet pins */ + mbar_writeByte(MCF_GPIO_PAR_FECI2C, + (mbar_readByte(MCF_GPIO_PAR_FECI2C) | 0xF0)); + } else { + } + + return 0; +} +#endif /* CONFIG_CMD_NET */ + +#if defined(CONFIG_CF_QSPI) + +/* Configure PIOs for SIN, SOUT, and SCK */ +void cfspi_port_conf(void) +{ + mbar_writeByte(MCF_GPIO_PAR_QSPI, + MCF_GPIO_PAR_QSPI_SIN_SIN | + MCF_GPIO_PAR_QSPI_SOUT_SOUT | + MCF_GPIO_PAR_QSPI_SCK_SCK); +} +#endif /* CONFIG_CF_QSPI */ + +#endif /* CONFIG_M5271 */ + +#if defined(CONFIG_M5272) +/* + * 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) +{ + /* if we come from RAM we assume the CPU is + * already initialized. + */ +#ifndef CONFIG_MONITOR_IS_IN_RAM + sysctrl_t *sysctrl = (sysctrl_t *) (CONFIG_SYS_MBAR); + gpio_t *gpio = (gpio_t *) (MMAP_GPIO); + csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS); + + out_be16(&sysctrl->sc_scr, CONFIG_SYS_SCR); + out_be16(&sysctrl->sc_spr, CONFIG_SYS_SPR); + + /* Setup Ports: */ + out_be32(&gpio->gpio_pacnt, CONFIG_SYS_PACNT); + out_be16(&gpio->gpio_paddr, CONFIG_SYS_PADDR); + out_be16(&gpio->gpio_padat, CONFIG_SYS_PADAT); + out_be32(&gpio->gpio_pbcnt, CONFIG_SYS_PBCNT); + out_be16(&gpio->gpio_pbddr, CONFIG_SYS_PBDDR); + out_be16(&gpio->gpio_pbdat, CONFIG_SYS_PBDAT); + out_be32(&gpio->gpio_pdcnt, CONFIG_SYS_PDCNT); + + /* Memory Controller: */ + out_be32(&csctrl->cs_br0, CONFIG_SYS_BR0_PRELIM); + out_be32(&csctrl->cs_or0, CONFIG_SYS_OR0_PRELIM); + +#if (defined(CONFIG_SYS_OR1_PRELIM) && defined(CONFIG_SYS_BR1_PRELIM)) + out_be32(&csctrl->cs_br1, CONFIG_SYS_BR1_PRELIM); + out_be32(&csctrl->cs_or1, CONFIG_SYS_OR1_PRELIM); +#endif + +#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM) + out_be32(&csctrl->cs_br2, CONFIG_SYS_BR2_PRELIM); + out_be32(&csctrl->cs_or2, CONFIG_SYS_OR2_PRELIM); +#endif + +#if defined(CONFIG_SYS_OR3_PRELIM) && defined(CONFIG_SYS_BR3_PRELIM) + out_be32(&csctrl->cs_br3, CONFIG_SYS_BR3_PRELIM); + out_be32(&csctrl->cs_or3, CONFIG_SYS_OR3_PRELIM); +#endif + +#if defined(CONFIG_SYS_OR4_PRELIM) && defined(CONFIG_SYS_BR4_PRELIM) + out_be32(&csctrl->cs_br4, CONFIG_SYS_BR4_PRELIM); + out_be32(&csctrl->cs_or4, CONFIG_SYS_OR4_PRELIM); +#endif + +#if defined(CONFIG_SYS_OR5_PRELIM) && defined(CONFIG_SYS_BR5_PRELIM) + out_be32(&csctrl->cs_br5, CONFIG_SYS_BR5_PRELIM); + out_be32(&csctrl->cs_or5, CONFIG_SYS_OR5_PRELIM); +#endif + +#if defined(CONFIG_SYS_OR6_PRELIM) && defined(CONFIG_SYS_BR6_PRELIM) + out_be32(&csctrl->cs_br6, CONFIG_SYS_BR6_PRELIM); + out_be32(&csctrl->cs_or6, CONFIG_SYS_OR6_PRELIM); +#endif + +#if defined(CONFIG_SYS_OR7_PRELIM) && defined(CONFIG_SYS_BR7_PRELIM) + out_be32(&csctrl->cs_br7, CONFIG_SYS_BR7_PRELIM); + out_be32(&csctrl->cs_or7, CONFIG_SYS_OR7_PRELIM); +#endif + +#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */ + + /* enable instruction cache now */ + icache_enable(); + +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + /* Setup Ports: */ + switch (port) { + case 0: + clrbits_be32(&gpio->gpio_pbcnt, + GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK); + setbits_be32(&gpio->gpio_pbcnt, + GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD); + break; + case 1: + clrbits_be32(&gpio->gpio_pdcnt, + GPIO_PDCNT_PD1MSK | GPIO_PDCNT_PD4MSK); + setbits_be32(&gpio->gpio_pdcnt, + GPIO_PDCNT_URT1_RXD | GPIO_PDCNT_URT1_TXD); + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if (setclear) { + setbits_be32(&gpio->gpio_pbcnt, + GPIO_PBCNT_E_MDC | GPIO_PBCNT_E_RXER | + GPIO_PBCNT_E_RXD1 | GPIO_PBCNT_E_RXD2 | + GPIO_PBCNT_E_RXD3 | GPIO_PBCNT_E_TXD1 | + GPIO_PBCNT_E_TXD2 | GPIO_PBCNT_E_TXD3); + } else { + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* #if defined(CONFIG_M5272) */ + +#if defined(CONFIG_M5275) + +/* + * 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 + wdog_t *wdog_reg = (wdog_t *) (MMAP_WDOG); + gpio_t *gpio_reg = (gpio_t *) (MMAP_GPIO); + + /* Kill watchdog so we can initialize the PLL */ + out_be16(&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(); +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + /* Setup Ports: */ + switch (port) { + case 0: + clrbits_be16(&gpio->par_uart, UART0_ENABLE_MASK); + setbits_be16(&gpio->par_uart, UART0_ENABLE_MASK); + break; + case 1: + clrbits_be16(&gpio->par_uart, UART1_ENABLE_MASK); + setbits_be16(&gpio->par_uart, UART1_ENABLE_MASK); + break; + case 2: + clrbits_be16(&gpio->par_uart, UART2_ENABLE_MASK); + setbits_be16(&gpio->par_uart, UART2_ENABLE_MASK); + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + struct fec_info_s *info = (struct fec_info_s *) dev->priv; + gpio_t *gpio = (gpio_t *)MMAP_GPIO; + + if (setclear) { + /* Enable Ethernet pins */ + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + setbits_be16(&gpio->par_feci2c, 0x0f00); + setbits_8(&gpio->par_fec0hl, 0xc0); + } else { + setbits_be16(&gpio->par_feci2c, 0x00a0); + setbits_8(&gpio->par_fec1hl, 0xc0); + } + } else { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + clrbits_be16(&gpio->par_feci2c, 0x0f00); + clrbits_8(&gpio->par_fec0hl, 0xc0); + } else { + clrbits_be16(&gpio->par_feci2c, 0x00a0); + clrbits_8(&gpio->par_fec1hl, 0xc0); + } + } + + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* #if defined(CONFIG_M5275) */ + +#if defined(CONFIG_M5282) +/* + * 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(); */ +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ + /* Setup Ports: */ + switch (port) { + case 0: + MCFGPIO_PUAPAR &= 0xFc; + MCFGPIO_PUAPAR |= 0x03; + break; + case 1: + MCFGPIO_PUAPAR &= 0xF3; + MCFGPIO_PUAPAR |= 0x0C; + break; + case 2: + MCFGPIO_PASPAR &= 0xFF0F; + MCFGPIO_PASPAR |= 0x00A0; + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + if (setclear) { + MCFGPIO_PASPAR |= 0x0F00; + MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR; + } else { + MCFGPIO_PASPAR &= 0xF0FF; + MCFGPIO_PEHLPAR &= ~CONFIG_SYS_PEHLPAR; + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif + +#if defined(CONFIG_M5249) +/* + * 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(); +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(int port) +{ +} +#endif /* #if defined(CONFIG_M5249) */ |
