1 /* 2 * 3 * (C) Copyright 2000-2003 4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 * 6 * (C) Copyright 2007, 2012 Freescale Semiconductor, Inc. 7 * TsiChung Liew (Tsi-Chung.Liew@freescale.com) 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 #include <common.h> 13 #include <MCD_dma.h> 14 #include <asm/immap.h> 15 #include <asm/io.h> 16 17 #if defined(CONFIG_CMD_NET) 18 #include <config.h> 19 #include <net.h> 20 #include <asm/fsl_mcdmafec.h> 21 #endif 22 23 /* 24 * Breath some life into the CPU... 25 * 26 * Set up the memory map, 27 * initialize a bunch of registers, 28 * initialize the UPM's 29 */ 30 void cpu_init_f(void) 31 { 32 gpio_t *gpio = (gpio_t *) MMAP_GPIO; 33 fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; 34 xlbarb_t *xlbarb = (xlbarb_t *) MMAP_XARB; 35 36 out_be32(&xlbarb->adrto, 0x2000); 37 out_be32(&xlbarb->datto, 0x2500); 38 out_be32(&xlbarb->busto, 0x3000); 39 40 out_be32(&xlbarb->cfg, XARB_CFG_AT | XARB_CFG_DT); 41 42 /* Master Priority Enable */ 43 out_be32(&xlbarb->prien, 0xff); 44 out_be32(&xlbarb->pri, 0); 45 46 #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL)) 47 out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE); 48 out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL); 49 out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK); 50 #endif 51 52 #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL)) 53 out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE); 54 out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL); 55 out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK); 56 #endif 57 58 #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL)) 59 out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE); 60 out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL); 61 out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK); 62 #endif 63 64 #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL)) 65 out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE); 66 out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL); 67 out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK); 68 #endif 69 70 #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL)) 71 out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE); 72 out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL); 73 out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK); 74 #endif 75 76 #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL)) 77 out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE); 78 out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL); 79 out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK); 80 #endif 81 82 #ifdef CONFIG_SYS_I2C_FSL 83 out_be16(&gpio->par_feci2cirq, 84 GPIO_PAR_FECI2CIRQ_SCL | GPIO_PAR_FECI2CIRQ_SDA); 85 #endif 86 87 icache_enable(); 88 } 89 90 /* 91 * initialize higher level parts of CPU like timers 92 */ 93 int cpu_init_r(void) 94 { 95 #if defined(CONFIG_CMD_NET) && defined(CONFIG_FSLDMAFEC) 96 MCD_initDma((dmaRegs *) (MMAP_MCDMA), (void *)(MMAP_SRAM + 512), 97 MCD_RELOC_TASKS); 98 #endif 99 return (0); 100 } 101 102 void uart_port_conf(int port) 103 { 104 gpio_t *gpio = (gpio_t *) MMAP_GPIO; 105 u8 *pscsicr = (u8 *) (CONFIG_SYS_UART_BASE + 0x40); 106 107 /* Setup Ports: */ 108 switch (port) { 109 case 0: 110 out_8(&gpio->par_psc0, GPIO_PAR_PSC0_TXD0 | GPIO_PAR_PSC0_RXD0); 111 break; 112 case 1: 113 out_8(&gpio->par_psc1, GPIO_PAR_PSC1_TXD1 | GPIO_PAR_PSC1_RXD1); 114 break; 115 case 2: 116 out_8(&gpio->par_psc2, GPIO_PAR_PSC2_TXD2 | GPIO_PAR_PSC2_RXD2); 117 break; 118 case 3: 119 out_8(&gpio->par_psc3, GPIO_PAR_PSC3_TXD3 | GPIO_PAR_PSC3_RXD3); 120 break; 121 } 122 123 clrbits_8(pscsicr, 0x07); 124 } 125 126 #if defined(CONFIG_CMD_NET) 127 int fecpin_setclear(struct eth_device *dev, int setclear) 128 { 129 gpio_t *gpio = (gpio_t *) MMAP_GPIO; 130 struct fec_info_dma *info = (struct fec_info_dma *)dev->priv; 131 132 if (setclear) { 133 if (info->iobase == CONFIG_SYS_FEC0_IOBASE) 134 setbits_be16(&gpio->par_feci2cirq, 0xf000); 135 else 136 setbits_be16(&gpio->par_feci2cirq, 0x0fc0); 137 } else { 138 if (info->iobase == CONFIG_SYS_FEC0_IOBASE) 139 clrbits_be16(&gpio->par_feci2cirq, 0xf000); 140 else 141 clrbits_be16(&gpio->par_feci2cirq, 0x0fc0); 142 } 143 return 0; 144 } 145 #endif 146