X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Fgdsys%2F405ep%2F405ep.c;h=35fa06a2ee97825f0aea09b1b724477357376858;hb=d4db3b86a5e090e21db710bedbbe3e50d4c56428;hp=d3bd2330943b573c4d1264e10f3aa8b118b9a4b3;hpb=7ad1a5f69d6da7335aa884f76d76df6f5130cd4b;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/gdsys/405ep/405ep.c b/board/gdsys/405ep/405ep.c index d3bd233..35fa06a 100644 --- a/board/gdsys/405ep/405ep.c +++ b/board/gdsys/405ep/405ep.c @@ -2,23 +2,7 @@ * (C) Copyright 2010 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -26,18 +10,34 @@ #include #include #include +#include -#include "../common/fpga.h" - -#define LATCH0_BASE (CONFIG_SYS_LATCH_BASE) -#define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100) -#define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200) +#include "405ep.h" +#include #define REFLECTION_TESTPATTERN 0xdede #define REFLECTION_TESTPATTERN_INV (~REFLECTION_TESTPATTERN & 0xffff) +#ifdef CONFIG_SYS_FPGA_NO_RFL_HI +#define REFLECTION_TESTREG reflection_low +#else +#define REFLECTION_TESTREG reflection_high +#endif + +DECLARE_GLOBAL_DATA_PTR; + +int get_fpga_state(unsigned dev) +{ + return gd->arch.fpga_state[dev]; +} + int board_early_init_f(void) { + unsigned k; + + for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) + gd->arch.fpga_state[k] = 0; + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ mtdcr(UIC0ER, 0x00000000); /* disable all ints */ mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical */ @@ -51,42 +51,63 @@ int board_early_init_f(void) * -> ca. 15 us */ mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */ + return 0; +} - /* - * setup io-latches for reset - */ - out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET); - out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET); +int board_early_init_r(void) +{ + unsigned k; + unsigned ctr; - /* - * set "startup-finished"-gpios - */ - gpio_write_bit(21, 0); - gpio_write_bit(22, 1); + for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) + gd->arch.fpga_state[k] = 0; /* - * wait for fpga-done - * fail ungraceful if fpga is not configuring properly + * reset FPGA */ - while (!(in_le16((void *)LATCH2_BASE) & 0x0010)) - ; + gd405ep_init(); + + gd405ep_set_fpga_reset(1); + + gd405ep_setup_hw(); + + for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) { + ctr = 0; + while (!gd405ep_get_fpga_done(k)) { + udelay(100000); + if (ctr++ > 5) { + gd->arch.fpga_state[k] |= + FPGA_STATE_DONE_FAILED; + break; + } + } + } - /* - * setup io-latches for boot (stop reset) - */ udelay(10); - out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT); - out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT); - /* - * wait for fpga out of reset - * fail ungraceful if fpga is not working properly - */ - while (1) { - fpga_set_reg(CONFIG_SYS_FPGA_RFL_LOW, REFLECTION_TESTPATTERN); - if (fpga_get_reg(CONFIG_SYS_FPGA_RFL_HIGH) == - REFLECTION_TESTPATTERN_INV) - break; + gd405ep_set_fpga_reset(0); + + for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) { + /* + * wait for fpga out of reset + */ + ctr = 0; + while (1) { + u16 val; + + FPGA_SET_REG(k, reflection_low, REFLECTION_TESTPATTERN); + + FPGA_GET_REG(k, REFLECTION_TESTREG, &val); + if (val == REFLECTION_TESTPATTERN_INV) + break; + + udelay(100000); + if (ctr++ > 5) { + gd->arch.fpga_state[k] |= + FPGA_STATE_REFLECTION_FAILED; + break; + } + } } return 0;