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u-boot/arch/m68k/cpu/mcf52x2/cpu_init.c
Tom Rini 07011890a6 m68k: Remove common.h usage 
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>
2023-10-24 16:34:45 -04:00

741 lines
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// SPDX-License-Identifier: GPL-2.0+
/*
* (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)
*/
#include <config.h>
#include <cpu_func.h>
#include <init.h>
#include <watchdog.h>
#include <asm/immap.h>
#include <asm/io.h>
#if defined(CONFIG_CMD_NET)
#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(CFG_SYS_CS0_BASE) && defined(CFG_SYS_CS0_MASK) \
&& defined(CFG_SYS_CS0_CTRL))
out_be32(&fbcs->csar0, CFG_SYS_CS0_BASE);
out_be32(&fbcs->cscr0, CFG_SYS_CS0_CTRL);
out_be32(&fbcs->csmr0, CFG_SYS_CS0_MASK);
#else
#warning "Chip Select 0 are not initialized/used"
#endif
#if (defined(CFG_SYS_CS1_BASE) && defined(CFG_SYS_CS1_MASK) \
&& defined(CFG_SYS_CS1_CTRL))
out_be32(&fbcs->csar1, CFG_SYS_CS1_BASE);
out_be32(&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))
out_be32(&fbcs->csar2, CFG_SYS_CS2_BASE);
out_be32(&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))
out_be32(&fbcs->csar3, CFG_SYS_CS3_BASE);
out_be32(&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))
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(fec_info_t *info, 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_SYS_I2C_FSL
CFG_SYS_I2C_PINMUX_REG =
CFG_SYS_I2C_PINMUX_REG & CFG_SYS_I2C_PINMUX_CLR;
CFG_SYS_I2C_PINMUX_REG |= CFG_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(fec_info_t *info, 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 */
#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 *) (CFG_SYS_MBAR);
gpio_t *gpio = (gpio_t *) (MMAP_GPIO);
csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS);
out_be16(&sysctrl->sc_scr, CFG_SYS_SCR);
out_be16(&sysctrl->sc_spr, CFG_SYS_SPR);
/* Setup Ports: */
out_be32(&gpio->gpio_pacnt, CFG_SYS_PACNT);
out_be16(&gpio->gpio_paddr, CFG_SYS_PADDR);
out_be16(&gpio->gpio_padat, CFG_SYS_PADAT);
out_be32(&gpio->gpio_pbcnt, CFG_SYS_PBCNT);
out_be16(&gpio->gpio_pbddr, CFG_SYS_PBDDR);
out_be16(&gpio->gpio_pbdat, CFG_SYS_PBDAT);
out_be32(&gpio->gpio_pdcnt, CFG_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(fec_info_t *info, 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_SYS_I2C_FSL
CFG_SYS_I2C_PINMUX_REG &= CFG_SYS_I2C_PINMUX_CLR;
CFG_SYS_I2C_PINMUX_REG |= CFG_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(fec_info_t *info, int setclear)
{
gpio_t *gpio = (gpio_t *)MMAP_GPIO;
u32 fec0_base;
if (fec_get_base_addr(0, &fec0_base))
return -1;
if (setclear) {
/* Enable Ethernet pins */
if (info->iobase == fec0_base) {
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 == fec0_base) {
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(CFG_SYS_MFD) |
MCFCLOCK_SYNCR_RFD(CFG_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 CFG_SYS_PJPAR
MCFGPIO_PJPAR = CFG_SYS_PJPAR;
#endif
#ifdef CONFIG_SYS_PSDPAR
MCFGPIO_PSDPAR = CONFIG_SYS_PSDPAR;
#endif
#ifdef CFG_SYS_PASPAR
MCFGPIO_PASPAR = CFG_SYS_PASPAR;
#endif
#ifdef CFG_SYS_PEHLPAR
MCFGPIO_PEHLPAR = CFG_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 CFG_SYS_PUAPAR
MCFGPIO_PUAPAR = CFG_SYS_PUAPAR;
#endif
#if defined(CONFIG_SYS_DDRD)
MCFGPIO_DDRD = CONFIG_SYS_DDRD;
#endif
#ifdef CFG_SYS_DDRUA
MCFGPIO_DDRUA = CFG_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(fec_info_t *info, int setclear)
{
if (setclear) {
MCFGPIO_PASPAR |= 0x0F00;
MCFGPIO_PEHLPAR = CFG_SYS_PEHLPAR;
} else {
MCFGPIO_PASPAR &= 0xF0FF;
MCFGPIO_PEHLPAR &= ~CFG_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, CFG_SYS_GPIO_FUNC);
mbar2_writeLong(MCFSIM_GPIO1_FUNC, CFG_SYS_GPIO1_FUNC);
mbar2_writeLong(MCFSIM_GPIO_EN, CFG_SYS_GPIO_EN);
mbar2_writeLong(MCFSIM_GPIO1_EN, CFG_SYS_GPIO1_EN);
mbar2_writeLong(MCFSIM_GPIO_OUT, CFG_SYS_GPIO_OUT);
mbar2_writeLong(MCFSIM_GPIO1_OUT, CFG_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) */
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