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/*
*
* (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 <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
/* The registers in fbcs_t struct can be 16-bit for CONFIG_M5235 or 32-bit wide otherwise. */
#ifdef CONFIG_M5235
#define out_be_fbcs_reg out_be16
#else
#define out_be_fbcs_reg out_be32
#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;
wdog_t *wdog = (wdog_t *) MMAP_WDOG;
scm_t *scm = (scm_t *) MMAP_SCM;
/* watchdog is enabled by default - disable the watchdog */
#ifndef CONFIG_WATCHDOG
out_be16(&wdog->cr, 0);
#endif
out_be32(&scm->rambar, CONFIG_SYS_INIT_RAM_ADDR | SCM_RAMBAR_BDE);
/* Port configuration */
out_8(&gpio->par_cs, 0);
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
out_be_fbcs_reg(&fbcs->csar0, CONFIG_SYS_CS0_BASE);
out_be_fbcs_reg(&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))
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS1);
out_be_fbcs_reg(&fbcs->csar1, CONFIG_SYS_CS1_BASE);
out_be_fbcs_reg(&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))
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS2);
out_be_fbcs_reg(&fbcs->csar2, CONFIG_SYS_CS2_BASE);
out_be_fbcs_reg(&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))
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS3);
out_be_fbcs_reg(&fbcs->csar3, CONFIG_SYS_CS3_BASE);
out_be_fbcs_reg(&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))
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS4);
out_be_fbcs_reg(&fbcs->csar4, CONFIG_SYS_CS4_BASE);
out_be_fbcs_reg(&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))
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS5);
out_be_fbcs_reg(&fbcs->csar5, CONFIG_SYS_CS5_BASE);
out_be_fbcs_reg(&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))
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS6);
out_be_fbcs_reg(&fbcs->csar6, CONFIG_SYS_CS6_BASE);
out_be_fbcs_reg(&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))
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS7);
out_be_fbcs_reg(&fbcs->csar7, CONFIG_SYS_CS7_BASE);
out_be_fbcs_reg(&fbcs->cscr7, CONFIG_SYS_CS7_CTRL);
out_be32(&fbcs->csmr7, CONFIG_SYS_CS7_MASK);
#endif
#ifdef CONFIG_SYS_I2C_FSL
CONFIG_SYS_I2C_PINMUX_REG &= CONFIG_SYS_I2C_PINMUX_CLR;
CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET;
#endif
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_UART_U0RXD | GPIO_PAR_UART_U0TXD);
setbits_be16(&gpio->par_uart,
GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD);
break;
case 1:
clrbits_be16(&gpio->par_uart,
GPIO_PAR_UART_U1RXD_MASK | GPIO_PAR_UART_U1TXD_MASK);
setbits_be16(&gpio->par_uart,
GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD);
break;
case 2:
#ifdef CONFIG_SYS_UART2_PRI_GPIO
clrbits_be16(&gpio->par_uart,
GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD);
setbits_be16(&gpio->par_uart,
GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD);
#elif defined(CONFIG_SYS_UART2_ALT1_GPIO)
clrbits_8(&gpio->par_feci2c,
GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK);
setbits_8(&gpio->par_feci2c,
GPIO_PAR_FECI2C_EMDC_U2TXD | GPIO_PAR_FECI2C_EMDIO_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_feci2c,
GPIO_PAR_FECI2C_EMDC_FECEMDC |
GPIO_PAR_FECI2C_EMDIO_FECEMDIO);
} else {
clrbits_8(&gpio->par_feci2c,
GPIO_PAR_FECI2C_EMDC_MASK |
GPIO_PAR_FECI2C_EMDIO_MASK);
}
return 0;
}
#endif
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