diff options
Diffstat (limited to 'arch/m68k/cpu/mcf547x_8x/cpu_init.c')
| -rw-r--r-- | arch/m68k/cpu/mcf547x_8x/cpu_init.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/arch/m68k/cpu/mcf547x_8x/cpu_init.c b/arch/m68k/cpu/mcf547x_8x/cpu_init.c new file mode 100644 index 0000000000..60c91267a7 --- /dev/null +++ b/arch/m68k/cpu/mcf547x_8x/cpu_init.c @@ -0,0 +1,159 @@ +/* + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2007 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 <MCD_dma.h> +#include <asm/immap.h> + +#if defined(CONFIG_CMD_NET) +#include <config.h> +#include <net.h> +#include <asm/fsl_mcdmafec.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) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; + volatile xlbarb_t *xlbarb = (volatile xlbarb_t *) MMAP_XARB; + + xlbarb->adrto = 0x2000; + xlbarb->datto = 0x2500; + xlbarb->busto = 0x3000; + + xlbarb->cfg = XARB_CFG_AT | XARB_CFG_DT; + + /* Master Priority Enable */ + xlbarb->prien = 0xff; + xlbarb->pri = 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)) + 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)) + 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)) + 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_feci2cirq = GPIO_PAR_FECI2CIRQ_SCL | GPIO_PAR_FECI2CIRQ_SDA; +#endif + + icache_enable(); +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r(void) +{ +#if defined(CONFIG_CMD_NET) && defined(CONFIG_FSLDMAFEC) + MCD_initDma((dmaRegs *) (MMAP_MCDMA), (void *)(MMAP_SRAM + 512), + MCD_RELOC_TASKS); +#endif + return (0); +} + +void uart_port_conf(int port) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + volatile u8 *pscsicr = (u8 *) (CONFIG_SYS_UART_BASE + 0x40); + + /* Setup Ports: */ + switch (port) { + case 0: + gpio->par_psc0 = (GPIO_PAR_PSC0_TXD0 | GPIO_PAR_PSC0_RXD0); + break; + case 1: + gpio->par_psc1 = (GPIO_PAR_PSC1_TXD1 | GPIO_PAR_PSC1_RXD1); + break; + case 2: + gpio->par_psc2 = (GPIO_PAR_PSC2_TXD2 | GPIO_PAR_PSC2_RXD2); + break; + case 3: + gpio->par_psc3 = (GPIO_PAR_PSC3_TXD3 | GPIO_PAR_PSC3_RXD3); + break; + } + + *pscsicr &= 0xF8; +} + +#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_dma *info = (struct fec_info_dma *)dev->priv; + + if (setclear) { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) + gpio->par_feci2cirq |= 0xF000; + else + gpio->par_feci2cirq |= 0x0FC0; + } else { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) + gpio->par_feci2cirq &= 0x0FFF; + else + gpio->par_feci2cirq &= 0xF03F; + } + return 0; +} +#endif |