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, periph_clk_cfg; 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 46 periph_clk_cfg = readl(&misc_p->periph_clk_cfg); 47 periph_clk_cfg &= ~CONFIG_SPEAR_UARTCLKMSK; 48 periph_clk_cfg |= CONFIG_SPEAR_UART48M; 49 writel(periph_clk_cfg, &misc_p->periph_clk_cfg); 50 #endif 51 #if defined(CONFIG_DESIGNWARE_ETH) 52 periph1_clken |= MISC_ETHENB; 53 #endif 54 #if defined(CONFIG_DW_UDC) 55 periph1_clken |= MISC_USBDENB; 56 #endif 57 #if defined(CONFIG_DW_I2C) 58 periph1_clken |= MISC_I2CENB; 59 #endif 60 #if defined(CONFIG_ST_SMI) 61 periph1_clken |= MISC_SMIENB; 62 #endif 63 #if defined(CONFIG_NAND_FSMC) 64 periph1_clken |= MISC_FSMCENB; 65 #endif 66 67 writel(periph1_clken, &misc_p->periph1_clken); 68 return 0; 69 } 70 71 #ifdef CONFIG_DISPLAY_CPUINFO 72 int print_cpuinfo(void) 73 { 74 #ifdef CONFIG_SPEAR300 75 printf("CPU: SPEAr300\n"); 76 #elif defined(CONFIG_SPEAR310) 77 printf("CPU: SPEAr310\n"); 78 #elif defined(CONFIG_SPEAR320) 79 printf("CPU: SPEAr320\n"); 80 #elif defined(CONFIG_SPEAR600) 81 printf("CPU: SPEAr600\n"); 82 #else 83 #error CPU not supported in spear platform 84 #endif 85 return 0; 86 } 87 #endif 88