1 /* 2 * (C) Copyright 2010 3 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <asm/io.h> 10 #include <asm/arch/hardware.h> 11 #include <asm/arch/spr_misc.h> 12 13 int arch_cpu_init(void) 14 { 15 struct misc_regs *const misc_p = 16 (struct misc_regs *)CONFIG_SPEAR_MISCBASE; 17 u32 periph1_clken, periph_clk_cfg; 18 19 periph1_clken = readl(&misc_p->periph1_clken); 20 21 #if defined(CONFIG_SPEAR3XX) 22 periph1_clken |= MISC_GPT2ENB; 23 #elif defined(CONFIG_SPEAR600) 24 periph1_clken |= MISC_GPT3ENB; 25 #endif 26 27 #if defined(CONFIG_PL011_SERIAL) 28 periph1_clken |= MISC_UART0ENB; 29 30 periph_clk_cfg = readl(&misc_p->periph_clk_cfg); 31 periph_clk_cfg &= ~CONFIG_SPEAR_UARTCLKMSK; 32 periph_clk_cfg |= CONFIG_SPEAR_UART48M; 33 writel(periph_clk_cfg, &misc_p->periph_clk_cfg); 34 #endif 35 #if defined(CONFIG_ETH_DESIGNWARE) 36 periph1_clken |= MISC_ETHENB; 37 #endif 38 #if defined(CONFIG_DW_UDC) 39 periph1_clken |= MISC_USBDENB; 40 #endif 41 #if defined(CONFIG_SYS_I2C_DW) 42 periph1_clken |= MISC_I2CENB; 43 #endif 44 #if defined(CONFIG_ST_SMI) 45 periph1_clken |= MISC_SMIENB; 46 #endif 47 #if defined(CONFIG_NAND_FSMC) 48 periph1_clken |= MISC_FSMCENB; 49 #endif 50 51 writel(periph1_clken, &misc_p->periph1_clken); 52 return 0; 53 } 54 55 #ifdef CONFIG_DISPLAY_CPUINFO 56 int print_cpuinfo(void) 57 { 58 #ifdef CONFIG_SPEAR300 59 printf("CPU: SPEAr300\n"); 60 #elif defined(CONFIG_SPEAR310) 61 printf("CPU: SPEAr310\n"); 62 #elif defined(CONFIG_SPEAR320) 63 printf("CPU: SPEAr320\n"); 64 #elif defined(CONFIG_SPEAR600) 65 printf("CPU: SPEAr600\n"); 66 #else 67 #error CPU not supported in spear platform 68 #endif 69 return 0; 70 } 71 #endif 72