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03de305ec4
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
122 lines
2.1 KiB
C
122 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2014
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* Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
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*/
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#include <command.h>
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#include <init.h>
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#include <asm/processor.h>
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#include <asm/io.h>
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#include <asm/global_data.h>
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#include <linux/delay.h>
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#include "mpc8308.h"
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#include <gdsys_fpga.h>
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#define REFLECTION_TESTPATTERN 0xdede
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#define REFLECTION_TESTPATTERN_INV (~REFLECTION_TESTPATTERN & 0xffff)
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#ifdef CONFIG_SYS_FPGA_NO_RFL_HI
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#define REFLECTION_TESTREG reflection_low
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#else
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#define REFLECTION_TESTREG reflection_high
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
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/* as gpio output status cannot be read back, we have to buffer it locally */
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u32 gpio0_out;
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void setbits_gpio0_out(u32 mask)
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{
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immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
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gpio0_out |= mask;
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out_be32(&immr->gpio[0].dat, gpio0_out);
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}
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void clrbits_gpio0_out(u32 mask)
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{
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immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
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gpio0_out &= ~mask;
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out_be32(&immr->gpio[0].dat, gpio0_out);
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}
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int get_fpga_state(uint dev)
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{
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return gd->arch.fpga_state[dev];
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}
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int board_early_init_f(void)
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{
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uint k;
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for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k)
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gd->arch.fpga_state[k] = 0;
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return 0;
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}
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int board_early_init_r(void)
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{
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uint k;
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uint ctr;
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for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k)
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gd->arch.fpga_state[k] = 0;
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/*
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* reset FPGA
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*/
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mpc8308_init();
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mpc8308_set_fpga_reset(1);
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mpc8308_setup_hw();
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for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) {
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ctr = 0;
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while (!mpc8308_get_fpga_done(k)) {
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mdelay(100);
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if (ctr++ > 5) {
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gd->arch.fpga_state[k] |=
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FPGA_STATE_DONE_FAILED;
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break;
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}
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}
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}
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udelay(10);
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mpc8308_set_fpga_reset(0);
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for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) {
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/*
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* wait for fpga out of reset
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*/
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ctr = 0;
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while (1) {
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u16 val;
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FPGA_SET_REG(k, reflection_low, REFLECTION_TESTPATTERN);
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FPGA_GET_REG(k, REFLECTION_TESTREG, &val);
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if (val == REFLECTION_TESTPATTERN_INV)
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break;
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mdelay(100);
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if (ctr++ > 5) {
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gd->arch.fpga_state[k] |=
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FPGA_STATE_REFLECTION_FAILED;
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break;
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}
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}
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}
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return 0;
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}
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#endif
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