--- /dev/null
+/*
+ *
+ * (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
+
+/*
+ * 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_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))
+ setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS1);
+ 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))
+ setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS2);
+ 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))
+ setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS3);
+ 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))
+ setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS4);
+ 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))
+ setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS5);
+ 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))
+ setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS6);
+ 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))
+ setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS7);
+ 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
+
+#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
Code Review / kvmfornfv.git / blobdiff