X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=board%2Fphytec%2Fpcm051%2Fboard.c;h=17a98ff860097dae95bfe6fa679dbe4c444a27da;hb=94d77fb656d49f2b0efe2de5605a52c5145d2c3b;hp=55bc01871457a716afe152e6d1a85128e1a6423c;hpb=1c1b7c3739095da7d73fef3adbe9f187791ca9ff;p=karo-tx-uboot.git diff --git a/board/phytec/pcm051/board.c b/board/phytec/pcm051/board.c index 55bc018714..17a98ff860 100644 --- a/board/phytec/pcm051/board.c +++ b/board/phytec/pcm051/board.c @@ -6,15 +6,7 @@ * Copyright (C) 2013 Lemonage Software GmbH * Author Lars Poeschel * - * 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. + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -39,9 +31,6 @@ DECLARE_GLOBAL_DATA_PTR; static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; -#ifdef CONFIG_SPL_BUILD -static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE; -#endif /* MII mode defines */ #define MII_MODE_ENABLE 0x0 @@ -50,29 +39,18 @@ static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE; static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; -/* UART defines */ #ifdef CONFIG_SPL_BUILD -#define UART_RESET (0x1 << 1) -#define UART_CLK_RUNNING_MASK 0x1 -#define UART_SMART_IDLE_EN (0x1 << 0x3) /* DDR RAM defines */ #define DDR_CLK_MHZ 303 /* DDR_DPLL_MULT value */ -static void rtc32k_enable(void) -{ - struct rtc_regs *rtc = (struct rtc_regs *)AM335X_RTC_BASE; +#define OSC (V_OSCK/1000000) +const struct dpll_params dpll_ddr = { + DDR_CLK_MHZ, OSC-1, 1, -1, -1, -1, -1}; - /* - * Unlock the RTC's registers. For more details please see the - * RTC_SS section of the TRM. In order to unlock we need to - * write these specific values (keys) in this order. - */ - writel(0x83e70b13, &rtc->kick0r); - writel(0x95a4f1e0, &rtc->kick1r); - - /* Enable the RTC 32K OSC by setting bits 3 and 6. */ - writel((1 << 3) | (1 << 6), &rtc->osc); +const struct dpll_params *get_dpll_ddr_params(void) +{ + return &dpll_ddr; } static const struct ddr_data ddr3_data = { @@ -104,7 +82,8 @@ static struct emif_regs ddr3_emif_reg_data = { .sdram_tim2 = MT41J256M8HX15E_EMIF_TIM2, .sdram_tim3 = MT41J256M8HX15E_EMIF_TIM3, .zq_config = MT41J256M8HX15E_ZQ_CFG, - .emif_ddr_phy_ctlr_1 = MT41J256M8HX15E_EMIF_READ_LATENCY, + .emif_ddr_phy_ctlr_1 = MT41J256M8HX15E_EMIF_READ_LATENCY | + PHY_EN_DYN_PWRDN, }; #endif @@ -113,6 +92,15 @@ static struct emif_regs ddr3_emif_reg_data = { */ void s_init(void) { + /* + * Save the boot parameters passed from romcode. + * We cannot delay the saving further than this, + * to prevent overwrites. + */ +#ifdef CONFIG_SPL_BUILD + save_omap_boot_params(); +#endif + /* * WDT1 is already running when the bootloader gets control * Disable it to avoid "random" resets @@ -131,22 +119,8 @@ void s_init(void) /* Enable RTC32K clock */ rtc32k_enable(); - /* UART softreset */ - u32 regval; - enable_uart0_pin_mux(); - - regval = readl(&uart_base->uartsyscfg); - regval |= UART_RESET; - writel(regval, &uart_base->uartsyscfg); - while ((readl(&uart_base->uartsyssts) & UART_CLK_RUNNING_MASK) - != UART_CLK_RUNNING_MASK) - ; - - /* Disable smart idle */ - regval = readl(&uart_base->uartsyscfg); - regval |= UART_SMART_IDLE_EN; - writel(regval, &uart_base->uartsyscfg); + uart_soft_reset(); gd = &gdata; @@ -159,7 +133,7 @@ void s_init(void) enable_board_pin_mux(); config_ddr(DDR_CLK_MHZ, MT41J256M8HX15E_IOCTRL_VALUE, &ddr3_data, - &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data); + &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); #endif } @@ -199,8 +173,8 @@ static struct cpsw_slave_data cpsw_slaves[] = { }; static struct cpsw_platform_data cpsw_data = { - .mdio_base = AM335X_CPSW_MDIO_BASE, - .cpsw_base = AM335X_CPSW_BASE, + .mdio_base = CPSW_MDIO_BASE, + .cpsw_base = CPSW_BASE, .mdio_div = 0xff, .channels = 8, .cpdma_reg_ofs = 0x800,