| /* |
| * Copyright (c) 2013 Qualcomm Atheros, Inc. |
| * |
| * 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 <common.h> |
| #include <command.h> |
| #include <asm/mipsregs.h> |
| #include <asm/addrspace.h> |
| #include <config.h> |
| #include <version.h> |
| #include "ar7240_soc.h" |
| |
| extern void ar7240_ddr_initial_config(uint32_t refresh); |
| extern int ar7240_ddr_find_size(void); |
| |
| void |
| ar7240_usb_initial_config(void) |
| { |
| ar7240_reg_wr_nf(AR7240_USB_PLL_CONFIG, 0x0a04081e); |
| ar7240_reg_wr_nf(AR7240_USB_PLL_CONFIG, 0x0804081e); |
| } |
| |
| void ar7240_gpio_config() |
| { |
| /* Disable clock obs */ |
| ar7240_reg_wr (AR7240_GPIO_FUNC, (ar7240_reg_rd(AR7240_GPIO_FUNC) & 0xffe7e0ff)); |
| /* Enable eth Switch LEDs */ |
| ar7240_reg_wr (AR7240_GPIO_FUNC, (ar7240_reg_rd(AR7240_GPIO_FUNC) | 0xfa)); |
| } |
| |
| int |
| ar7240_mem_config(void) |
| { |
| #if !defined(CONFIG_WASP_EMU) |
| unsigned int tap_val1, tap_val2; |
| ar7240_ddr_initial_config(CFG_DDR_REFRESH_VAL); |
| |
| /* Default tap values for starting the tap_init*/ |
| if (!(is_ar7241() || is_ar7242())) { |
| ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x8); |
| ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x9); |
| ar7240_ddr_tap_init(); |
| } |
| else { |
| ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x2); |
| ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x2); |
| ar7240_reg_wr (AR7240_DDR_TAP_CONTROL2, 0x0); |
| ar7240_reg_wr (AR7240_DDR_TAP_CONTROL3, 0x0); |
| } |
| |
| tap_val1 = ar7240_reg_rd(0xb800001c); |
| tap_val2 = ar7240_reg_rd(0xb8000020); |
| |
| printf("#### TAP VALUE 1 = 0x%x, 2 = 0x%x [0x%x: 0x%x]\n", |
| tap_val1, tap_val2, *(unsigned *)0x80500000, |
| *(unsigned *)0x80500004); |
| ar7240_usb_initial_config(); |
| ar7240_gpio_config(); |
| |
| #endif |
| return (ar7240_ddr_find_size()); |
| } |
| |
| long int initdram(int board_type) |
| { |
| return (ar7240_mem_config()); |
| } |
| |
| int checkboard (void) |
| { |
| printf("Wasp Emulation U-boot\n"); |
| return 0; |
| } |