| /* |
| * 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 <atheros.h> |
| |
| extern int ath_ddr_initial_config(uint32_t refresh); |
| extern int ath_ddr_find_size(void); |
| |
| #ifdef COMPRESSED_UBOOT |
| # define prmsg(x) strcpy(s, x) |
| # define CHECKBOARD_PARAMS char *s |
| #else |
| # define prmsg printf |
| # define CHECKBOARD_PARAMS void |
| #endif |
| |
| void |
| ath_usb1_initial_config(void) |
| { |
| #define unset(a) (~(a)) |
| |
| ath_reg_wr_nf(SWITCH_CLOCK_SPARE_ADDRESS, |
| ath_reg_rd(SWITCH_CLOCK_SPARE_ADDRESS) | |
| SWITCH_CLOCK_SPARE_USB_REFCLK_FREQ_SEL_SET(5)); |
| udelay(1000); |
| |
| ath_reg_rmw_set(RST_RESET_ADDRESS, |
| RST_RESET_USB_PHY_SUSPEND_OVERRIDE_SET(1)); |
| udelay(1000); |
| ath_reg_rmw_clear(RST_RESET_ADDRESS, RST_RESET_USB_PHY_RESET_SET(1)); |
| udelay(1000); |
| ath_reg_rmw_clear(RST_RESET_ADDRESS, RST_RESET_USB_PHY_ARESET_SET(1)); |
| udelay(1000); |
| ath_reg_rmw_clear(RST_RESET_ADDRESS, RST_RESET_USB_HOST_RESET_SET(1)); |
| udelay(1000); |
| |
| ath_reg_rmw_clear(RST_RESET_ADDRESS, RST_RESET_USB_PHY_PLL_PWD_EXT_SET(1)); |
| udelay(10); |
| |
| ath_reg_rmw_set(RST_RESET2_ADDRESS, RST_RESET2_USB1_EXT_PWR_SEQ_SET(1)); |
| udelay(10); |
| } |
| |
| void |
| ath_usb2_initial_config(void) |
| { |
| ath_reg_rmw_set(RST_RESET2_ADDRESS, RST_RESET2_USB2_MODE_SET(1)); |
| udelay(10); |
| ath_reg_rmw_set(RST_RESET2_ADDRESS, |
| RST_RESET2_USB_PHY2_SUSPEND_OVERRIDE_SET(1)); |
| udelay(1000); |
| ath_reg_rmw_clear(RST_RESET2_ADDRESS, RST_RESET2_USB_PHY2_RESET_SET(1)); |
| udelay(1000); |
| ath_reg_rmw_clear(RST_RESET2_ADDRESS, RST_RESET2_USB_PHY2_ARESET_SET(1)); |
| udelay(1000); |
| ath_reg_rmw_clear(RST_RESET2_ADDRESS, RST_RESET2_USB_HOST2_RESET_SET(1)); |
| udelay(1000); |
| |
| ath_reg_rmw_clear(RST_RESET2_ADDRESS, RST_RESET2_USB_PHY2_PLL_PWD_EXT_SET(1)); |
| udelay(10); |
| |
| ath_reg_rmw_set(RST_RESET2_ADDRESS, RST_RESET2_USB2_EXT_PWR_SEQ_SET(1)); |
| udelay(10); |
| } |
| |
| |
| void ath_gpio_config(void) |
| { |
| #if 0 |
| /* Disable clock obs */ |
| ath_reg_wr (AR7240_GPIO_FUNC, (ath_reg_rd(AR7240_GPIO_FUNC) & 0xffe7e0ff)); |
| /* Enable eth Switch LEDs */ |
| #ifdef CONFIG_K31 |
| ath_reg_wr (AR7240_GPIO_FUNC, (ath_reg_rd(AR7240_GPIO_FUNC) | 0xd8)); |
| #else |
| ath_reg_wr (AR7240_GPIO_FUNC, (ath_reg_rd(AR7240_GPIO_FUNC) | 0xfa)); |
| #endif |
| #endif |
| } |
| |
| int |
| ath_mem_config(void) |
| { |
| unsigned int type, reg32, *tap; |
| extern uint32_t *ath_ddr_tap_cal(void); |
| |
| #if !defined(CONFIG_ATH_EMULATION) |
| type = ath_ddr_initial_config(CFG_DDR_REFRESH_VAL); |
| |
| tap = ath_ddr_tap_cal(); |
| prmsg("tap = 0x%p\n", tap); |
| |
| tap = (uint32_t *)0xbd007f10; |
| prmsg("Tap (low, high) = (0x%x, 0x%x)\n", tap[0], tap[1]); |
| |
| tap = (uint32_t *)TAP_CONTROL_0_ADDRESS; |
| prmsg("Tap values = (0x%x, 0x%x, 0x%x, 0x%x)\n", |
| tap[0], tap[2], tap[2], tap[3]); |
| |
| /* Take WMAC out of reset */ |
| reg32 = ath_reg_rd(RST_RESET_ADDRESS); |
| reg32 = reg32 & ~RST_RESET_RTC_RESET_SET(1); |
| ath_reg_wr_nf(RST_RESET_ADDRESS, reg32); |
| |
| ath_usb1_initial_config(); |
| ath_usb2_initial_config(); |
| |
| ath_gpio_config(); |
| #endif /* !defined(CONFIG_ATH_EMULATION) */ |
| |
| return ath_ddr_find_size(); |
| } |
| |
| long int initdram(int board_type) |
| { |
| return (ath_mem_config()); |
| } |
| |
| int checkboard(CHECKBOARD_PARAMS) |
| { |
| prmsg("U-boot Scorpion\n"); |
| return 0; |
| } |