1 // SPDX-License-Identifier: GPL-2.0+
4 * (C) Copyright 2000-2003
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 * (C) Copyright 2004-2007, 2012 Freescale Semiconductor, Inc.
8 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
14 #include <asm/immap.h>
17 #include <linux/compiler.h>
19 void cfspi_port_conf(void)
21 gpio_t *gpio = (gpio_t *)MMAP_GPIO;
23 out_8(&gpio->par_dspi,
24 GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
25 GPIO_PAR_DSPI_SCK_SCK);
29 * Breath some life into the CPU...
31 * Set up the memory map,
32 * initialize a bunch of registers,
33 * initialize the UPM's
37 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
38 fbcs_t *fbcs __maybe_unused = (fbcs_t *) MMAP_FBCS;
40 #if !defined(CONFIG_CF_SBF)
41 scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
42 pll_t *pll = (pll_t *)MMAP_PLL;
44 /* Workaround, must place before fbcs */
45 out_be32(&pll->psr, 0x12);
47 out_be32(&scm1->mpr, 0x77777777);
48 out_be32(&scm1->pacra, 0);
49 out_be32(&scm1->pacrb, 0);
50 out_be32(&scm1->pacrc, 0);
51 out_be32(&scm1->pacrd, 0);
52 out_be32(&scm1->pacre, 0);
53 out_be32(&scm1->pacrf, 0);
54 out_be32(&scm1->pacrg, 0);
55 out_be32(&scm1->pacri, 0);
57 #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
58 && defined(CONFIG_SYS_CS0_CTRL))
59 out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE);
60 out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL);
61 out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK);
63 #endif /* CONFIG_CF_SBF */
65 #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
66 && defined(CONFIG_SYS_CS1_CTRL))
67 out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE);
68 out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL);
69 out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK);
72 #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
73 && defined(CONFIG_SYS_CS2_CTRL))
74 out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE);
75 out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL);
76 out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK);
79 #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
80 && defined(CONFIG_SYS_CS3_CTRL))
81 out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE);
82 out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL);
83 out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK);
86 #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
87 && defined(CONFIG_SYS_CS4_CTRL))
88 out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE);
89 out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL);
90 out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK);
93 #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
94 && defined(CONFIG_SYS_CS5_CTRL))
95 out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE);
96 out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL);
97 out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK);
100 #ifdef CONFIG_SYS_I2C_FSL
101 out_8(&gpio->par_i2c, GPIO_PAR_I2C_SCL_SCL | GPIO_PAR_I2C_SDA_SDA);
110 * initialize higher level parts of CPU like timers
115 rtc_t *rtc = (rtc_t *)(CONFIG_SYS_MCFRTC_BASE);
116 rtcex_t *rtcex = (rtcex_t *)&rtc->extended;
118 out_be32(&rtcex->gocu, (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xffff);
119 out_be32(&rtcex->gocl, CONFIG_SYS_RTC_OSCILLATOR & 0xffff);
125 void uart_port_conf(int port)
127 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
132 clrbits_be16(&gpio->par_uart,
133 ~(GPIO_PAR_UART_U0TXD_UNMASK & GPIO_PAR_UART_U0RXD_UNMASK));
134 setbits_be16(&gpio->par_uart,
135 GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
138 clrbits_be16(&gpio->par_uart,
139 ~(GPIO_PAR_UART_U1TXD_UNMASK & GPIO_PAR_UART_U1RXD_UNMASK));
140 setbits_be16(&gpio->par_uart,
141 GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
144 clrbits_8(&gpio->par_dspi,
145 ~(GPIO_PAR_DSPI_SIN_UNMASK & GPIO_PAR_DSPI_SOUT_UNMASK));
146 out_8(&gpio->par_dspi,
147 GPIO_PAR_DSPI_SIN_U2RXD | GPIO_PAR_DSPI_SOUT_U2TXD);