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u-boot/arch/m68k/cpu/mcf5445x/cpu_init.c
Angelo Dureghello 5d3a5f330d m68k: move CONFIG_SYS_I2C to CFG_ namespace 
Move CONFIG_SYS_I2C_X to CFG_ namespace.
This is a preliminary step to move to dm i2c.

Signed-off-by: Angelo Dureghello <angelo@kernel-space.org>
2023-04-11 06:50:57 +02:00

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8.7 KiB
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// SPDX-License-Identifier: GPL-2.0+
/*
*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2004-2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*/
#include <common.h>
#include <cpu_func.h>
#include <init.h>
#include <watchdog.h>
#include <asm/immap.h>
#include <asm/processor.h>
#include <asm/rtc.h>
#include <asm/io.h>
#include <linux/compiler.h>
#if defined(CONFIG_CMD_NET)
#include <config.h>
#include <net.h>
#include <asm/fec.h>
#endif
void init_fbcs(void)
{
fbcs_t *fbcs __maybe_unused = (fbcs_t *) MMAP_FBCS;
#if !defined(CONFIG_SERIAL_BOOT)
#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);
#endif
#endif
#if (defined(CFG_SYS_CS1_BASE) && defined(CFG_SYS_CS1_MASK) && defined(CFG_SYS_CS1_CTRL))
/* Latch chipselect */
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
}
#ifdef CONFIG_CF_DSPI
void cfspi_port_conf(void)
{
gpio_t *gpio = (gpio_t *)MMAP_GPIO;
#ifdef CONFIG_MCF5441x
pm_t *pm = (pm_t *)MMAP_PM;
out_8(&gpio->par_dspi0,
GPIO_PAR_DSPI0_SIN_DSPI0SIN | GPIO_PAR_DSPI0_SOUT_DSPI0SOUT |
GPIO_PAR_DSPI0_SCK_DSPI0SCK);
out_8(&gpio->srcr_dspiow, 3);
/* DSPI0 */
out_8(&pm->pmcr0, 23);
#endif
}
#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;
#ifdef CONFIG_MCF5441x
scm_t *scm = (scm_t *) MMAP_SCM;
pm_t *pm = (pm_t *) MMAP_PM;
/* Disable Switch */
*(unsigned long *)(MMAP_L2_SW0 + 0x00000024) = 0;
/* Disable core watchdog */
out_be16(&scm->cwcr, 0);
out_8(&gpio->par_fbctl,
GPIO_PAR_FBCTL_ALE_FB_ALE | GPIO_PAR_FBCTL_OE_FB_OE |
GPIO_PAR_FBCTL_FBCLK | GPIO_PAR_FBCTL_RW |
GPIO_PAR_FBCTL_TA_TA);
out_8(&gpio->par_be,
GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 |
GPIO_PAR_BE_BE1_BE1 | GPIO_PAR_BE_BE0_BE0);
/* eDMA */
out_8(&pm->pmcr0, 17);
/* INTR0 - INTR2 */
out_8(&pm->pmcr0, 18);
out_8(&pm->pmcr0, 19);
out_8(&pm->pmcr0, 20);
/* I2C */
out_8(&pm->pmcr0, 22);
out_8(&pm->pmcr1, 4);
out_8(&pm->pmcr1, 7);
/* DTMR0 - DTMR3*/
out_8(&pm->pmcr0, 28);
out_8(&pm->pmcr0, 29);
out_8(&pm->pmcr0, 30);
out_8(&pm->pmcr0, 31);
/* PIT0 - PIT3 */
out_8(&pm->pmcr0, 32);
out_8(&pm->pmcr0, 33);
out_8(&pm->pmcr0, 34);
out_8(&pm->pmcr0, 35);
/* Edge Port */
out_8(&pm->pmcr0, 36);
out_8(&pm->pmcr0, 37);
/* USB OTG */
out_8(&pm->pmcr0, 44);
/* USB Host */
out_8(&pm->pmcr0, 45);
/* ESDHC */
out_8(&pm->pmcr0, 51);
/* ENET0 - ENET1 */
out_8(&pm->pmcr0, 53);
out_8(&pm->pmcr0, 54);
/* NAND */
out_8(&pm->pmcr0, 63);
#ifdef CFG_SYS_I2C_0
out_8(&gpio->par_cani2c, 0xF0);
/* I2C0 pull up */
out_be16(&gpio->pcr_b, 0x003C);
/* I2C0 max speed */
out_8(&gpio->srcr_cani2c, 0x03);
#endif
#ifdef CFG_SYS_I2C_2
/* I2C2 */
out_8(&gpio->par_ssi0h, 0xA0);
/* I2C2, UART7 */
out_8(&gpio->par_ssi0h, 0xA8);
/* UART7 */
out_8(&gpio->par_ssi0l, 0x2);
/* UART8, UART9 */
out_8(&gpio->par_cani2c, 0xAA);
/* UART4, UART0 */
out_8(&gpio->par_uart0, 0xAF);
/* UART5, UART1 */
out_8(&gpio->par_uart1, 0xAF);
/* UART6, UART2 */
out_8(&gpio->par_uart2, 0xAF);
/* I2C2 pull up */
out_be16(&gpio->pcr_h, 0xF000);
#endif
#ifdef CFG_SYS_I2C_5
/* I2C5 */
out_8(&gpio->par_uart1, 0x0A);
/* I2C5 pull up */
out_be16(&gpio->pcr_e, 0x0003);
out_be16(&gpio->pcr_f, 0xC000);
#endif
/* Lowest slew rate for UART0,1,2 */
out_8(&gpio->srcr_uart, 0x00);
#ifdef CONFIG_FSL_ESDHC_IMX
/* eSDHC pin as faster speed */
out_8(&gpio->srcr_sdhc, 0x03);
/* All esdhc pins as SD */
out_8(&gpio->par_sdhch, 0xff);
out_8(&gpio->par_sdhcl, 0xff);
#endif
#endif /* CONFIG_MCF5441x */
/* FlexBus Chipselect */
init_fbcs();
#ifdef CFG_SYS_CS0_BASE
/*
* now the flash base address is no longer at 0 (Newer ColdFire family
* boot at address 0 instead of 0xFFnn_nnnn). The vector table must
* also move to the new location.
*/
if (CFG_SYS_CS0_BASE != 0)
setvbr(CFG_SYS_CS0_BASE);
#endif
icache_enable();
}
/*
* initialize higher level parts of CPU like timers
*/
int cpu_init_r(void)
{
#ifdef CONFIG_MCFRTC
rtc_t *rtc = (rtc_t *)(CONFIG_SYS_MCFRTC_BASE);
rtcex_t *rtcex = (rtcex_t *)&rtc->extended;
out_be32(&rtcex->gocu, (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xffff);
out_be32(&rtcex->gocl, CONFIG_SYS_RTC_OSCILLATOR & 0xffff);
#endif
return (0);
}
void uart_port_conf(int port)
{
gpio_t *gpio = (gpio_t *) MMAP_GPIO;
#ifdef CONFIG_MCF5441x
pm_t *pm = (pm_t *) MMAP_PM;
#endif
/* Setup Ports: */
switch (port) {
#ifdef CONFIG_MCF5441x
case 0:
/* UART0 */
out_8(&pm->pmcr0, 24);
clrbits_8(&gpio->par_uart0,
~(GPIO_PAR_UART0_U0RXD_MASK | GPIO_PAR_UART0_U0TXD_MASK));
setbits_8(&gpio->par_uart0,
GPIO_PAR_UART0_U0RXD_U0RXD | GPIO_PAR_UART0_U0TXD_U0TXD);
break;
case 1:
/* UART1 */
out_8(&pm->pmcr0, 25);
clrbits_8(&gpio->par_uart1,
~(GPIO_PAR_UART1_U1RXD_MASK | GPIO_PAR_UART1_U1TXD_MASK));
setbits_8(&gpio->par_uart1,
GPIO_PAR_UART1_U1RXD_U1RXD | GPIO_PAR_UART1_U1TXD_U1TXD);
break;
case 2:
/* UART2 */
out_8(&pm->pmcr0, 26);
clrbits_8(&gpio->par_uart2,
~(GPIO_PAR_UART2_U2RXD_MASK | GPIO_PAR_UART2_U2TXD_MASK));
setbits_8(&gpio->par_uart2,
GPIO_PAR_UART2_U2RXD_U2RXD | GPIO_PAR_UART2_U2TXD_U2TXD);
break;
case 3:
/* UART3 */
out_8(&pm->pmcr0, 27);
clrbits_8(&gpio->par_dspi0,
~(GPIO_PAR_DSPI0_SIN_MASK | GPIO_PAR_DSPI0_SOUT_MASK));
setbits_8(&gpio->par_dspi0,
GPIO_PAR_DSPI0_SIN_U3RXD | GPIO_PAR_DSPI0_SOUT_U3TXD);
break;
case 4:
/* UART4 */
out_8(&pm->pmcr1, 24);
clrbits_8(&gpio->par_uart0,
~(GPIO_PAR_UART0_U0CTS_MASK | GPIO_PAR_UART0_U0RTS_MASK));
setbits_8(&gpio->par_uart0,
GPIO_PAR_UART0_U0CTS_U4TXD | GPIO_PAR_UART0_U0RTS_U4RXD);
break;
case 5:
/* UART5 */
out_8(&pm->pmcr1, 25);
clrbits_8(&gpio->par_uart1,
~(GPIO_PAR_UART1_U1CTS_MASK | GPIO_PAR_UART1_U1RTS_MASK));
setbits_8(&gpio->par_uart1,
GPIO_PAR_UART1_U1CTS_U5TXD | GPIO_PAR_UART1_U1RTS_U5RXD);
break;
case 6:
/* UART6 */
out_8(&pm->pmcr1, 26);
clrbits_8(&gpio->par_uart2,
~(GPIO_PAR_UART2_U2CTS_MASK | GPIO_PAR_UART2_U2RTS_MASK));
setbits_8(&gpio->par_uart2,
GPIO_PAR_UART2_U2CTS_U6TXD | GPIO_PAR_UART2_U2RTS_U6RXD);
break;
case 7:
/* UART7 */
out_8(&pm->pmcr1, 27);
clrbits_8(&gpio->par_ssi0h, ~GPIO_PAR_SSI0H_RXD_MASK);
clrbits_8(&gpio->par_ssi0l, ~GPIO_PAR_SSI0L_BCLK_MASK);
setbits_8(&gpio->par_ssi0h, GPIO_PAR_SSI0H_FS_U7TXD);
setbits_8(&gpio->par_ssi0l, GPIO_PAR_SSI0L_BCLK_U7RXD);
break;
case 8:
/* UART8 */
out_8(&pm->pmcr0, 28);
clrbits_8(&gpio->par_cani2c,
~(GPIO_PAR_CANI2C_I2C0SCL_MASK | GPIO_PAR_CANI2C_I2C0SDA_MASK));
setbits_8(&gpio->par_cani2c,
GPIO_PAR_CANI2C_I2C0SCL_U8TXD | GPIO_PAR_CANI2C_I2C0SDA_U8RXD);
break;
case 9:
/* UART9 */
out_8(&pm->pmcr1, 29);
clrbits_8(&gpio->par_cani2c,
~(GPIO_PAR_CANI2C_CAN1TX_MASK | GPIO_PAR_CANI2C_CAN1RX_MASK));
setbits_8(&gpio->par_cani2c,
GPIO_PAR_CANI2C_CAN1TX_U9TXD | GPIO_PAR_CANI2C_CAN1RX_U9RXD);
break;
#endif
}
}
#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;
#ifdef CONFIG_MCF5441x
if (setclear) {
out_8(&gpio->par_fec, 0x03);
out_8(&gpio->srcr_fec, 0x0F);
clrsetbits_8(&gpio->par_simp0h, ~GPIO_PAR_SIMP0H_DAT_MASK,
GPIO_PAR_SIMP0H_DAT_GPIO);
clrsetbits_8(&gpio->pddr_g, ~GPIO_PDDR_G4_MASK,
GPIO_PDDR_G4_OUTPUT);
clrbits_8(&gpio->podr_g, ~GPIO_PODR_G4_MASK);
} else
clrbits_8(&gpio->par_fec, ~GPIO_PAR_FEC_FEC_MASK);
#endif
return 0;
}
#endif
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