1 /* 2 * (C) Copyright 2010 3 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #include <common.h> 25 #include <asm/io.h> 26 #include <asm/arch/hardware.h> 27 #include <asm/arch/spr_misc.h> 28 29 int arch_cpu_init(void) 30 { 31 struct misc_regs *const misc_p = 32 (struct misc_regs *)CONFIG_SPEAR_MISCBASE; 33 u32 periph1_clken; 34 35 periph1_clken = readl(&misc_p->periph1_clken); 36 37 #if defined(CONFIG_SPEAR3XX) 38 periph1_clken |= MISC_GPT2ENB; 39 #elif defined(CONFIG_SPEAR600) 40 periph1_clken |= MISC_GPT3ENB; 41 #endif 42 43 #if defined(CONFIG_PL011_SERIAL) 44 periph1_clken |= MISC_UART0ENB; 45 #endif 46 #if defined(CONFIG_DESIGNWARE_ETH) 47 periph1_clken |= MISC_ETHENB; 48 #endif 49 #if defined(CONFIG_DW_UDC) 50 periph1_clken |= MISC_USBDENB; 51 #endif 52 #if defined(CONFIG_DW_I2C) 53 periph1_clken |= MISC_I2CENB; 54 #endif 55 #if defined(CONFIG_ST_SMI) 56 periph1_clken |= MISC_SMIENB; 57 #endif 58 #if defined(CONFIG_NAND_FSMC) 59 periph1_clken |= MISC_FSMCENB; 60 #endif 61 62 writel(periph1_clken, &misc_p->periph1_clken); 63 return 0; 64 } 65 66 #ifdef CONFIG_DISPLAY_CPUINFO 67 int print_cpuinfo(void) 68 { 69 #ifdef CONFIG_SPEAR300 70 printf("CPU: SPEAr300\n"); 71 #elif defined(CONFIG_SPEAR310) 72 printf("CPU: SPEAr310\n"); 73 #elif defined(CONFIG_SPEAR320) 74 printf("CPU: SPEAr320\n"); 75 #elif defined(CONFIG_SPEAR600) 76 printf("CPU: SPEAr600\n"); 77 #else 78 #error CPU not supported in spear platform 79 #endif 80 return 0; 81 } 82 #endif 83