mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-26 21:13:48 +00:00
07011890a6
We can remove common.h from most cases of the code here, and only a few places need an additional header instead. Signed-off-by: Tom Rini <trini@konsulko.com> Acked-by: Angelo Dureghello <angelo@kernel-space.org>
176 lines
4.9 KiB
C
176 lines
4.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
*
|
|
* (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)
|
|
*/
|
|
|
|
#include <cpu_func.h>
|
|
#include <init.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, CFG_SYS_INIT_RAM_ADDR | SCM_RAMBAR_BDE);
|
|
|
|
/* Port configuration */
|
|
out_8(&gpio->par_cs, 0);
|
|
|
|
#if (defined(CFG_SYS_CS0_BASE) && defined(CFG_SYS_CS0_MASK) && defined(CFG_SYS_CS0_CTRL))
|
|
out_be_fbcs_reg(&fbcs->csar0, CFG_SYS_CS0_BASE);
|
|
out_be_fbcs_reg(&fbcs->cscr0, CFG_SYS_CS0_CTRL);
|
|
out_be32(&fbcs->csmr0, CFG_SYS_CS0_MASK);
|
|
#endif
|
|
|
|
#if (defined(CFG_SYS_CS1_BASE) && defined(CFG_SYS_CS1_MASK) && defined(CFG_SYS_CS1_CTRL))
|
|
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS1);
|
|
out_be_fbcs_reg(&fbcs->csar1, CFG_SYS_CS1_BASE);
|
|
out_be_fbcs_reg(&fbcs->cscr1, CFG_SYS_CS1_CTRL);
|
|
out_be32(&fbcs->csmr1, CFG_SYS_CS1_MASK);
|
|
#endif
|
|
|
|
#if (defined(CFG_SYS_CS2_BASE) && defined(CFG_SYS_CS2_MASK) && defined(CFG_SYS_CS2_CTRL))
|
|
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS2);
|
|
out_be_fbcs_reg(&fbcs->csar2, CFG_SYS_CS2_BASE);
|
|
out_be_fbcs_reg(&fbcs->cscr2, CFG_SYS_CS2_CTRL);
|
|
out_be32(&fbcs->csmr2, CFG_SYS_CS2_MASK);
|
|
#endif
|
|
|
|
#if (defined(CFG_SYS_CS3_BASE) && defined(CFG_SYS_CS3_MASK) && defined(CFG_SYS_CS3_CTRL))
|
|
setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS3);
|
|
out_be_fbcs_reg(&fbcs->csar3, CFG_SYS_CS3_BASE);
|
|
out_be_fbcs_reg(&fbcs->cscr3, CFG_SYS_CS3_CTRL);
|
|
out_be32(&fbcs->csmr3, CFG_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
|
|
CFG_SYS_I2C_PINMUX_REG &= CFG_SYS_I2C_PINMUX_CLR;
|
|
CFG_SYS_I2C_PINMUX_REG |= CFG_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(fec_info_t *info, 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
|