diff options
Diffstat (limited to 'qemu/roms/u-boot/arch/m68k/cpu/mcf547x_8x/cpu_init.c')
| -rw-r--r-- | qemu/roms/u-boot/arch/m68k/cpu/mcf547x_8x/cpu_init.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/arch/m68k/cpu/mcf547x_8x/cpu_init.c b/qemu/roms/u-boot/arch/m68k/cpu/mcf547x_8x/cpu_init.c new file mode 100644 index 000000000..c3df831f1 --- /dev/null +++ b/qemu/roms/u-boot/arch/m68k/cpu/mcf547x_8x/cpu_init.c @@ -0,0 +1,145 @@ +/* + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2007, 2012 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <MCD_dma.h> +#include <asm/immap.h> +#include <asm/io.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) +{ + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; + xlbarb_t *xlbarb = (xlbarb_t *) MMAP_XARB; + + out_be32(&xlbarb->adrto, 0x2000); + out_be32(&xlbarb->datto, 0x2500); + out_be32(&xlbarb->busto, 0x3000); + + out_be32(&xlbarb->cfg, XARB_CFG_AT | XARB_CFG_DT); + + /* Master Priority Enable */ + out_be32(&xlbarb->prien, 0xff); + out_be32(&xlbarb->pri, 0); + +#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 + +#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 + +#ifdef CONFIG_SYS_I2C_FSL + out_be16(&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) +{ + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + u8 *pscsicr = (u8 *) (CONFIG_SYS_UART_BASE + 0x40); + + /* Setup Ports: */ + switch (port) { + case 0: + out_8(&gpio->par_psc0, GPIO_PAR_PSC0_TXD0 | GPIO_PAR_PSC0_RXD0); + break; + case 1: + out_8(&gpio->par_psc1, GPIO_PAR_PSC1_TXD1 | GPIO_PAR_PSC1_RXD1); + break; + case 2: + out_8(&gpio->par_psc2, GPIO_PAR_PSC2_TXD2 | GPIO_PAR_PSC2_RXD2); + break; + case 3: + out_8(&gpio->par_psc3, GPIO_PAR_PSC3_TXD3 | GPIO_PAR_PSC3_RXD3); + break; + } + + clrbits_8(pscsicr, 0x07); +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + 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) + setbits_be16(&gpio->par_feci2cirq, 0xf000); + else + setbits_be16(&gpio->par_feci2cirq, 0x0fc0); + } else { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) + clrbits_be16(&gpio->par_feci2cirq, 0xf000); + else + clrbits_be16(&gpio->par_feci2cirq, 0x0fc0); + } + return 0; +} +#endif |