| Vipin KUMAR | 4255edc | 2012-05-07 13:06:45 +0530 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2010 |
| 3 | * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. |
| 4 | * |
| Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| Vipin KUMAR | 4255edc | 2012-05-07 13:06:45 +0530 | [diff] [blame] | 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; |
| Shiraz Hashim | 74a7e05 | 2012-05-07 13:06:59 +0530 | [diff] [blame] | 17 | u32 periph1_clken, periph_clk_cfg; |
| Vipin KUMAR | 4255edc | 2012-05-07 13:06:45 +0530 | [diff] [blame] | 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; |
| Shiraz Hashim | 74a7e05 | 2012-05-07 13:06:59 +0530 | [diff] [blame] | 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); |
| Vipin KUMAR | 4255edc | 2012-05-07 13:06:45 +0530 | [diff] [blame] | 34 | #endif |
| 35 | #if defined(CONFIG_DESIGNWARE_ETH) |
| 36 | periph1_clken |= MISC_ETHENB; |
| 37 | #endif |
| 38 | #if defined(CONFIG_DW_UDC) |
| 39 | periph1_clken |= MISC_USBDENB; |
| 40 | #endif |
| Stefan Roese | ef6073e | 2014-10-28 12:12:00 +0100 | [diff] [blame^] | 41 | #if defined(CONFIG_SYS_I2C_DW) |
| Vipin KUMAR | 4255edc | 2012-05-07 13:06:45 +0530 | [diff] [blame] | 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 |