3 * (C) Copyright 2000-2003
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * (C) Copyright 2007 Freescale Semiconductor, Inc.
7 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 #include <asm/immap.h>
34 * Breath some life into the CPU...
36 * Set up the memory map,
37 * initialize a bunch of registers,
38 * initialize the UPM's
42 volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
43 volatile scm2_t *scm2 = (scm2_t *) MMAP_SCM2;
44 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
45 volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
46 volatile wdog_t *wdog = (wdog_t *) MMAP_WDOG;
48 /* watchdog is enabled by default - disable the watchdog */
49 #ifndef CONFIG_WATCHDOG
53 scm1->mpr0 = 0x77777777;
63 /* Port configuration */
66 #if (defined(CFG_CS0_BASE) && defined(CFG_CS0_MASK) && defined(CFG_CS0_CTRL))
67 fbcs->csar0 = CFG_CS0_BASE;
68 fbcs->cscr0 = CFG_CS0_CTRL;
69 fbcs->csmr0 = CFG_CS0_MASK;
72 #if (defined(CFG_CS1_BASE) && defined(CFG_CS1_MASK) && defined(CFG_CS1_CTRL))
73 /* Latch chipselect */
74 gpio->par_cs |= GPIO_PAR_CS1;
75 fbcs->csar1 = CFG_CS1_BASE;
76 fbcs->cscr1 = CFG_CS1_CTRL;
77 fbcs->csmr1 = CFG_CS1_MASK;
80 #if (defined(CFG_CS2_BASE) && defined(CFG_CS2_MASK) && defined(CFG_CS2_CTRL))
81 gpio->par_cs |= GPIO_PAR_CS2;
82 fbcs->csar2 = CFG_CS2_BASE;
83 fbcs->cscr2 = CFG_CS2_CTRL;
84 fbcs->csmr2 = CFG_CS2_MASK;
87 #if (defined(CFG_CS3_BASE) && defined(CFG_CS3_MASK) && defined(CFG_CS3_CTRL))
88 gpio->par_cs |= GPIO_PAR_CS3;
89 fbcs->csar3 = CFG_CS3_BASE;
90 fbcs->cscr3 = CFG_CS3_CTRL;
91 fbcs->csmr3 = CFG_CS3_MASK;
94 #if (defined(CFG_CS4_BASE) && defined(CFG_CS4_MASK) && defined(CFG_CS4_CTRL))
95 gpio->par_cs |= GPIO_PAR_CS4;
96 fbcs->csar4 = CFG_CS4_BASE;
97 fbcs->cscr4 = CFG_CS4_CTRL;
98 fbcs->csmr4 = CFG_CS4_MASK;
101 #if (defined(CFG_CS5_BASE) && defined(CFG_CS5_MASK) && defined(CFG_CS5_CTRL))
102 gpio->par_cs |= GPIO_PAR_CS5;
103 fbcs->csar5 = CFG_CS5_BASE;
104 fbcs->cscr5 = CFG_CS5_CTRL;
105 fbcs->csmr5 = CFG_CS5_MASK;
108 #ifdef CONFIG_FSL_I2C
109 gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA;
116 * initialize higher level parts of CPU like timers
123 void uart_port_conf(void)
125 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
128 switch (CFG_UART_PORT) {
130 gpio->par_uart = (GPIO_PAR_UART_TXD0 | GPIO_PAR_UART_RXD0);
134 (GPIO_PAR_UART_TXD1(3) | GPIO_PAR_UART_RXD1(3));
137 gpio->par_timer &= 0x0F;
138 gpio->par_timer |= (GPIO_PAR_TIN3_URXD2 | GPIO_PAR_TIN2_UTXD2);