/* * (C) Copyright 2010 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include #include int arch_cpu_init(void) { struct misc_regs *const misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE; u32 periph1_clken, periph_clk_cfg; periph1_clken = readl(&misc_p->periph1_clken); #if defined(CONFIG_SPEAR3XX) periph1_clken |= MISC_GPT2ENB; #elif defined(CONFIG_SPEAR600) periph1_clken |= MISC_GPT3ENB; #endif #if defined(CONFIG_PL011_SERIAL) periph1_clken |= MISC_UART0ENB; periph_clk_cfg = readl(&misc_p->periph_clk_cfg); periph_clk_cfg &= ~CONFIG_SPEAR_UARTCLKMSK; periph_clk_cfg |= CONFIG_SPEAR_UART48M; writel(periph_clk_cfg, &misc_p->periph_clk_cfg); #endif #if defined(CONFIG_DESIGNWARE_ETH) periph1_clken |= MISC_ETHENB; #endif #if defined(CONFIG_DW_UDC) periph1_clken |= MISC_USBDENB; #endif #if defined(CONFIG_DW_I2C) periph1_clken |= MISC_I2CENB; #endif #if defined(CONFIG_ST_SMI) periph1_clken |= MISC_SMIENB; #endif #if defined(CONFIG_NAND_FSMC) periph1_clken |= MISC_FSMCENB; #endif writel(periph1_clken, &misc_p->periph1_clken); return 0; } #ifdef CONFIG_DISPLAY_CPUINFO int print_cpuinfo(void) { #ifdef CONFIG_SPEAR300 printf("CPU: SPEAr300\n"); #elif defined(CONFIG_SPEAR310) printf("CPU: SPEAr310\n"); #elif defined(CONFIG_SPEAR320) printf("CPU: SPEAr320\n"); #elif defined(CONFIG_SPEAR600) printf("CPU: SPEAr600\n"); #else #error CPU not supported in spear platform #endif return 0; } #endif