Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 2 | /* |
| 3 | * |
| 4 | * (C) Copyright 2000-2003 |
| 5 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 6 | * |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 7 | * (C) Copyright 2004-2007, 2012 Freescale Semiconductor, Inc. |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 8 | * TsiChung Liew (Tsi-Chung.Liew@freescale.com) |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #include <common.h> |
Simon Glass | 1d91ba7 | 2019-11-14 12:57:37 -0700 | [diff] [blame] | 12 | #include <cpu_func.h> |
Simon Glass | 9758973 | 2020-05-10 11:40:02 -0600 | [diff] [blame] | 13 | #include <init.h> |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 14 | #include <watchdog.h> |
| 15 | |
| 16 | #include <asm/immap.h> |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 17 | #include <asm/io.h> |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 18 | #include <asm/rtc.h> |
Alison Wang | 0c6c444 | 2012-10-21 21:27:48 +0000 | [diff] [blame] | 19 | #include <linux/compiler.h> |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 20 | |
Angelo Dureghello | 71abddd | 2019-03-13 21:46:52 +0100 | [diff] [blame] | 21 | void cfspi_port_conf(void) |
| 22 | { |
| 23 | gpio_t *gpio = (gpio_t *)MMAP_GPIO; |
| 24 | |
| 25 | out_8(&gpio->par_dspi, |
| 26 | GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | |
| 27 | GPIO_PAR_DSPI_SCK_SCK); |
| 28 | } |
| 29 | |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 30 | /* |
| 31 | * Breath some life into the CPU... |
| 32 | * |
| 33 | * Set up the memory map, |
| 34 | * initialize a bunch of registers, |
| 35 | * initialize the UPM's |
| 36 | */ |
| 37 | void cpu_init_f(void) |
| 38 | { |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 39 | gpio_t *gpio = (gpio_t *) MMAP_GPIO; |
Alison Wang | 0c6c444 | 2012-10-21 21:27:48 +0000 | [diff] [blame] | 40 | fbcs_t *fbcs __maybe_unused = (fbcs_t *) MMAP_FBCS; |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 41 | |
TsiChung Liew | 39966e3 | 2008-10-21 15:37:02 +0000 | [diff] [blame] | 42 | #if !defined(CONFIG_CF_SBF) |
Alison Wang | 0c6c444 | 2012-10-21 21:27:48 +0000 | [diff] [blame] | 43 | scm1_t *scm1 = (scm1_t *) MMAP_SCM1; |
| 44 | pll_t *pll = (pll_t *)MMAP_PLL; |
| 45 | |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 46 | /* Workaround, must place before fbcs */ |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 47 | out_be32(&pll->psr, 0x12); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 48 | |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 49 | out_be32(&scm1->mpr, 0x77777777); |
| 50 | out_be32(&scm1->pacra, 0); |
| 51 | out_be32(&scm1->pacrb, 0); |
| 52 | out_be32(&scm1->pacrc, 0); |
| 53 | out_be32(&scm1->pacrd, 0); |
| 54 | out_be32(&scm1->pacre, 0); |
| 55 | out_be32(&scm1->pacrf, 0); |
| 56 | out_be32(&scm1->pacrg, 0); |
| 57 | out_be32(&scm1->pacri, 0); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 58 | |
TsiChung Liew | 39966e3 | 2008-10-21 15:37:02 +0000 | [diff] [blame] | 59 | #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \ |
| 60 | && defined(CONFIG_SYS_CS0_CTRL)) |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 61 | out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE); |
| 62 | out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL); |
| 63 | out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 64 | #endif |
TsiChung Liew | 39966e3 | 2008-10-21 15:37:02 +0000 | [diff] [blame] | 65 | #endif /* CONFIG_CF_SBF */ |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 66 | |
TsiChung Liew | 39966e3 | 2008-10-21 15:37:02 +0000 | [diff] [blame] | 67 | #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ |
| 68 | && defined(CONFIG_SYS_CS1_CTRL)) |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 69 | out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE); |
| 70 | out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL); |
| 71 | out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 72 | #endif |
| 73 | |
TsiChung Liew | 39966e3 | 2008-10-21 15:37:02 +0000 | [diff] [blame] | 74 | #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \ |
| 75 | && defined(CONFIG_SYS_CS2_CTRL)) |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 76 | out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE); |
| 77 | out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL); |
| 78 | out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 79 | #endif |
| 80 | |
TsiChung Liew | 39966e3 | 2008-10-21 15:37:02 +0000 | [diff] [blame] | 81 | #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \ |
| 82 | && defined(CONFIG_SYS_CS3_CTRL)) |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 83 | out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE); |
| 84 | out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL); |
| 85 | out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 86 | #endif |
| 87 | |
TsiChung Liew | 39966e3 | 2008-10-21 15:37:02 +0000 | [diff] [blame] | 88 | #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \ |
| 89 | && defined(CONFIG_SYS_CS4_CTRL)) |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 90 | out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE); |
| 91 | out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL); |
| 92 | out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 93 | #endif |
| 94 | |
TsiChung Liew | 39966e3 | 2008-10-21 15:37:02 +0000 | [diff] [blame] | 95 | #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \ |
| 96 | && defined(CONFIG_SYS_CS5_CTRL)) |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 97 | out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE); |
| 98 | out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL); |
| 99 | out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 100 | #endif |
| 101 | |
Heiko Schocher | f285074 | 2012-10-24 13:48:22 +0200 | [diff] [blame] | 102 | #ifdef CONFIG_SYS_I2C_FSL |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 103 | out_8(&gpio->par_i2c, GPIO_PAR_I2C_SCL_SCL | GPIO_PAR_I2C_SDA_SDA); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 104 | #endif |
| 105 | |
| 106 | icache_enable(); |
Angelo Dureghello | 71abddd | 2019-03-13 21:46:52 +0100 | [diff] [blame] | 107 | |
| 108 | cfspi_port_conf(); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | /* |
| 112 | * initialize higher level parts of CPU like timers |
| 113 | */ |
| 114 | int cpu_init_r(void) |
| 115 | { |
TsiChung Liew | 1be9e09 | 2008-07-09 15:47:27 -0500 | [diff] [blame] | 116 | #ifdef CONFIG_MCFRTC |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 117 | rtc_t *rtc = (rtc_t *)(CONFIG_SYS_MCFRTC_BASE); |
| 118 | rtcex_t *rtcex = (rtcex_t *)&rtc->extended; |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 119 | |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 120 | out_be32(&rtcex->gocu, (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xffff); |
| 121 | out_be32(&rtcex->gocl, CONFIG_SYS_RTC_OSCILLATOR & 0xffff); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 122 | #endif |
| 123 | |
| 124 | return (0); |
| 125 | } |
| 126 | |
TsiChung Liew | f9556a7 | 2010-03-09 19:17:52 -0600 | [diff] [blame] | 127 | void uart_port_conf(int port) |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 128 | { |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 129 | gpio_t *gpio = (gpio_t *) MMAP_GPIO; |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 130 | |
| 131 | /* Setup Ports: */ |
TsiChung Liew | f9556a7 | 2010-03-09 19:17:52 -0600 | [diff] [blame] | 132 | switch (port) { |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 133 | case 0: |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 134 | clrbits_be16(&gpio->par_uart, |
| 135 | ~(GPIO_PAR_UART_U0TXD_UNMASK & GPIO_PAR_UART_U0RXD_UNMASK)); |
| 136 | setbits_be16(&gpio->par_uart, |
| 137 | GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 138 | break; |
| 139 | case 1: |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 140 | clrbits_be16(&gpio->par_uart, |
| 141 | ~(GPIO_PAR_UART_U1TXD_UNMASK & GPIO_PAR_UART_U1RXD_UNMASK)); |
| 142 | setbits_be16(&gpio->par_uart, |
| 143 | GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 144 | break; |
| 145 | case 2: |
Alison Wang | 8bce3ec | 2012-03-26 21:49:03 +0000 | [diff] [blame] | 146 | clrbits_8(&gpio->par_dspi, |
| 147 | ~(GPIO_PAR_DSPI_SIN_UNMASK & GPIO_PAR_DSPI_SOUT_UNMASK)); |
| 148 | out_8(&gpio->par_dspi, |
| 149 | GPIO_PAR_DSPI_SIN_U2RXD | GPIO_PAR_DSPI_SOUT_U2TXD); |
TsiChungLiew | ae831cd | 2008-01-14 17:46:19 -0600 | [diff] [blame] | 150 | break; |
| 151 | } |
| 152 | } |