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/*
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* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch_helpers.h>
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#include <debug.h>
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#include <errno.h>
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#include <hi6220.h>
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#include <hi6553.h>
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#include <mmio.h>
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#include <sp804_delay_timer.h>
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enum {
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DDR_FREQ_533M = 0,
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DDR_FREQ_800M,
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};
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static void init_pll(void)
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{
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unsigned int data;
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data = mmio_read_32((0xf7032000 + 0x000));
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data |= 0x1;
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mmio_write_32((0xf7032000 + 0x000), data);
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dsb();
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do {
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data = mmio_read_32((0xf7032000 + 0x000));
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} while (!(data & (1 << 28)));
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data = mmio_read_32((0xf7800000 + 0x000));
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data &= ~0x007;
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data |= 0x004;
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mmio_write_32((0xf7800000 + 0x000), data);
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dsb();
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do {
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data = mmio_read_32((0xf7800000 + 0x014));
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data &= 0x007;
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} while (data != 0x004);
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mmio_write_32(PERI_SC_PERIPH_CTRL14, 0x2101);
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data = mmio_read_32(PERI_SC_PERIPH_STAT1);
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mmio_write_32(0xf7032000 + 0x02c, 0x5110103e);
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data = mmio_read_32(0xf7032000 + 0x050);
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data |= 1 << 28;
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mmio_write_32(0xf7032000 + 0x050, data);
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mmio_write_32(PERI_SC_PERIPH_CTRL14, 0x2101);
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mdelay(1);
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data = mmio_read_32(PERI_SC_PERIPH_STAT1);
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NOTICE("syspll frequency:%dHz\n", data);
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}
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static void init_freq(void)
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{
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unsigned int data, tmp;
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unsigned int cpuext_cfg, ddr_cfg;
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mmio_write_32((0xf7032000 + 0x374), 0x4a);
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mmio_write_32((0xf7032000 + 0x368), 0xda);
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mmio_write_32((0xf7032000 + 0x36c), 0x01);
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mmio_write_32((0xf7032000 + 0x370), 0x01);
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mmio_write_32((0xf7032000 + 0x360), 0x60);
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mmio_write_32((0xf7032000 + 0x364), 0x60);
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mmio_write_32((0xf7032000 + 0x114), 0x1000);
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data = mmio_read_32((0xf7032000 + 0x110));
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data |= (3 << 12);
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mmio_write_32((0xf7032000 + 0x110), data);
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data = mmio_read_32((0xf7032000 + 0x110));
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data |= (1 << 4);
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mmio_write_32((0xf7032000 + 0x110), data);
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data = mmio_read_32((0xf7032000 + 0x110));
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data &= ~0x7;
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data |= 0x5;
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mmio_write_32((0xf7032000 + 0x110), data);
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dsb();
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mdelay(10);
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do {
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data = mmio_read_32((0xf6504000 + 0x008));
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data &= (3 << 20);
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} while (data != (3 << 20));
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dsb();
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mdelay(10);
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data = mmio_read_32((0xf6504000 + 0x054));
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data &= ~((1 << 0) | (1 << 11));
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mmio_write_32((0xf6504000 + 0x054), data);
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mdelay(10);
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data = mmio_read_32((0xf7032000 + 0x104));
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data &= ~(3 << 8);
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data |= (1 << 8);
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mmio_write_32((0xf7032000 + 0x104), data);
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data = mmio_read_32((0xf7032000 + 0x100));
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data |= (1 << 0);
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mmio_write_32((0xf7032000 + 0x100), data);
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dsb();
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do {
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data = mmio_read_32((0xf7032000 + 0x100));
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data &= (1 << 2);
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} while (data != (1 << 2));
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data = mmio_read_32((0xf6504000 + 0x06c));
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data &= ~0xffff;
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data |= 0x56;
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mmio_write_32((0xf6504000 + 0x06c), data);
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data = mmio_read_32((0xf6504000 + 0x06c));
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data &= ~(0xffffff << 8);
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data |= 0xc7a << 8;
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mmio_write_32((0xf6504000 + 0x06c), data);
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data = mmio_read_32((0xf6504000 + 0x058));
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data &= ((1 << 13) - 1);
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data |= 0xccb;
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mmio_write_32((0xf6504000 + 0x058), data);
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mmio_write_32((0xf6504000 + 0x060), 0x1fff);
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mmio_write_32((0xf6504000 + 0x064), 0x1ffffff);
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mmio_write_32((0xf6504000 + 0x068), 0x7fffffff);
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mmio_write_32((0xf6504000 + 0x05c), 0x1);
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data = mmio_read_32((0xf6504000 + 0x054));
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data &= ~(0xf << 12);
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data |= 1 << 12;
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mmio_write_32((0xf6504000 + 0x054), data);
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dsb();
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data = mmio_read_32((0xf7032000 + 0x000));
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data &= ~(1 << 0);
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mmio_write_32((0xf7032000 + 0x000), data);
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mmio_write_32((0xf7032000 + 0x004), 0x5110207d);
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mmio_write_32((0xf7032000 + 0x134), 0x10000005);
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data = mmio_read_32((0xf7032000 + 0x134));
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data = mmio_read_32((0xf7032000 + 0x000));
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data |= (1 << 0);
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mmio_write_32((0xf7032000 + 0x000), data);
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mmio_write_32((0xf7032000 + 0x368), 0x100da);
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data = mmio_read_32((0xf7032000 + 0x378));
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data &= ~((1 << 7) - 1);
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data |= 0x6b;
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mmio_write_32((0xf7032000 + 0x378), data);
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dsb();
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do {
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data = mmio_read_32((0xf7032000 + 0x378));
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tmp = data & 0x7f;
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data = (data & (0x7f << 8)) >> 8;
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if (data != tmp)
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continue;
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data = mmio_read_32((0xf7032000 + 0x37c));
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} while (!(data & 1));
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data = mmio_read_32((0xf7032000 + 0x104));
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data &= ~((3 << 0) |
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(3 << 8));
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cpuext_cfg = 1;
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ddr_cfg = 1;
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data |= cpuext_cfg | (ddr_cfg << 8);
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mmio_write_32((0xf7032000 + 0x104), data);
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dsb();
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do {
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data = mmio_read_32((0xf7032000 + 0x104));
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tmp = (data & (3 << 16)) >> 16;
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if (cpuext_cfg != tmp)
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continue;
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tmp = (data & (3 << 24)) >> 24;
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if (ddr_cfg != tmp)
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continue;
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data = mmio_read_32((0xf7032000 + 0x000));
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data &= 1 << 28;
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} while (!data);
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data = mmio_read_32((0xf7032000 + 0x100));
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data &= ~(1 << 0);
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mmio_write_32((0xf7032000 + 0x100), data);
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dsb();
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do {
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data = mmio_read_32((0xf7032000 + 0x100));
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data &= (1 << 1);
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} while (data != (1 << 1));
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mdelay(1000);
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data = mmio_read_32((0xf6504000 + 0x054));
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data &= ~(1 << 28);
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mmio_write_32((0xf6504000 + 0x054), data);
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dsb();
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data = mmio_read_32((0xf7032000 + 0x110));
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data &= ~((1 << 4) |
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(3 << 12));
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mmio_write_32((0xf7032000 + 0x110), data);
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}
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int cat_533mhz_800mhz(void)
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{
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unsigned int data, i;
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unsigned int bdl[5];
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data = mmio_read_32((0xf712c000 + 0x1c8));
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data &= 0xfffff0f0;
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data |= 0x100f0f;
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mmio_write_32((0xf712c000 + 0x1c8), data);
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for (i = 0; i < 0x20; i++) {
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mmio_write_32((0xf712c000 + 0x1d4), 0xc0000);
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data = (i << 0x10) + i;
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mmio_write_32((0xf712c000 + 0x140), data);
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mmio_write_32((0xf712c000 + 0x144), data);
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mmio_write_32((0xf712c000 + 0x148), data);
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mmio_write_32((0xf712c000 + 0x14c), data);
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mmio_write_32((0xf712c000 + 0x150), data);
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data = mmio_read_32((0xf712c000 + 0x070));
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data |= 0x80000;
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mmio_write_32((0xf712c000 + 0x070), data);
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data = mmio_read_32((0xf712c000 + 0x070));
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data &= 0xfff7ffff;
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mmio_write_32((0xf712c000 + 0x070), data);
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mmio_write_32((0xf712c000 + 0x004), 0x8000);
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mmio_write_32((0xf712c000 + 0x004), 0x0);
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mmio_write_32((0xf712c000 + 0x004), 0x801);
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do {
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data = mmio_read_32((0xf712c000 + 0x004));
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} while (data & 1);
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data = mmio_read_32((0xf712c000 + 0x008));
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if (!(data & 0x400)) {
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mdelay(10);
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return 0;
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}
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WARN("lpddr3 cat fail\n");
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data = mmio_read_32((0xf712c000 + 0x1d4));
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if ((data & 0x1f00) && ((data & 0x1f) == 0)) {
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bdl[0] = mmio_read_32((0xf712c000 + 0x140));
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bdl[1] = mmio_read_32((0xf712c000 + 0x144));
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bdl[2] = mmio_read_32((0xf712c000 + 0x148));
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bdl[3] = mmio_read_32((0xf712c000 + 0x14c));
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bdl[4] = mmio_read_32((0xf712c000 + 0x150));
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if ((!(bdl[0] & 0x1f001f)) || (!(bdl[1] & 0x1f001f)) ||
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(!(bdl[2] & 0x1f001f)) || (!(bdl[3] & 0x1f001f)) ||
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(!(bdl[4] & 0x1f001f))) {
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WARN("lpddr3 cat deskew error\n");
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if (i == 0x1f) {
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WARN("addrnbdl is max\n");
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return -EINVAL;
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}
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mmio_write_32((0xf712c000 + 0x008), 0x400);
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} else {
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WARN("lpddr3 cat other error1\n");
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return -EINVAL;
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}
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} else {
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WARN("lpddr3 cat other error2\n");
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return -EINVAL;
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}
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}
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return -EINVAL;
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}
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static void ddrx_rdet(void)
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{
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unsigned int data, rdet, bdl[4];
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data = mmio_read_32((0xf712c000 + 0x0d0));
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data &= 0xf800ffff;
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data |= 0x8f0000;
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mmio_write_32((0xf712c000 + 0x0d0), data);
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data = mmio_read_32((0xf712c000 + 0x0dc));
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data &= 0xfffffff0;
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data |= 0xf;
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mmio_write_32((0xf712c000 + 0x0dc), data);
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data = mmio_read_32((0xf712c000 + 0x070));
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data |= 0x80000;
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mmio_write_32((0xf712c000 + 0x070), data);
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data = mmio_read_32((0xf712c000 + 0x070));
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data &= 0xfff7ffff;
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mmio_write_32((0xf712c000 + 0x070), data);
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mmio_write_32((0xf712c000 + 0x004), 0x8000);
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mmio_write_32((0xf712c000 + 0x004), 0);
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data = mmio_read_32((0xf712c000 + 0x0d0));
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data &= ~0xf0000000;
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data |= 0x80000000;
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mmio_write_32((0xf712c000 + 0x0d0), data);
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mmio_write_32((0xf712c000 + 0x004), 0x101);
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do {
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data = mmio_read_32((0xf712c000 + 0x004));
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} while (!(data & 1));
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data = mmio_read_32((0xf712c000 + 0x008));
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if (data & 0x100)
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WARN("rdet lbs fail\n");
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bdl[0] = mmio_read_32((0xf712c000 + 0x22c)) & 0x7f;
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bdl[1] = mmio_read_32((0xf712c000 + 0x2ac)) & 0x7f;
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bdl[2] = mmio_read_32((0xf712c000 + 0x32c)) & 0x7f;
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bdl[3] = mmio_read_32((0xf712c000 + 0x3ac)) & 0x7f;
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do {
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data = mmio_read_32((0xf712c000 + 0x22c));
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data &= ~0x7f;
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data |= bdl[0];
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mmio_write_32((0xf712c000 + 0x22c), data);
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data = mmio_read_32((0xf712c000 + 0x2ac));
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data &= ~0x7f;
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data |= bdl[1];
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mmio_write_32((0xf712c000 + 0x2ac), data);
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data = mmio_read_32((0xf712c000 + 0x32c));
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data &= ~0x7f;
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data |= bdl[2];
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mmio_write_32((0xf712c000 + 0x32c), data);
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data = mmio_read_32((0xf712c000 + 0x3ac));
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data &= ~0x7f;
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|
|
data |= bdl[3];
|
|
|
|
mmio_write_32((0xf712c000 + 0x3ac), data);
|
|
|
|
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x070));
|
|
|
|
data |= 0x80000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x070));
|
|
|
|
data &= 0xfff7ffff;
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), data);
|
|
|
|
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x8000);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x0d0));
|
|
|
|
data &= ~0xf0000000;
|
|
|
|
data |= 0x40000000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x0d0), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x101);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
rdet = data & 0x100;
|
|
|
|
if (rdet) {
|
|
|
|
INFO("rdet ds fail\n");
|
|
|
|
mmio_write_32((0xf712c000 + 0x008), 0x100);
|
|
|
|
}
|
|
|
|
bdl[0]++;
|
|
|
|
bdl[1]++;
|
|
|
|
bdl[2]++;
|
|
|
|
bdl[3]++;
|
|
|
|
} while (rdet);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x0d0));
|
|
|
|
data &= ~0xf0000000;
|
|
|
|
data |= 0x30000000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x0d0), data);
|
|
|
|
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x101);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
if (data & 0x100)
|
|
|
|
INFO("rdet rbs av fail\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ddrx_wdet(void)
|
|
|
|
{
|
|
|
|
unsigned int data, wdet, zero_bdl = 0, dq[4];
|
|
|
|
int i;
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x0d0));
|
|
|
|
data &= ~0xf;
|
|
|
|
data |= 0xf;
|
|
|
|
mmio_write_32((0xf712c000 + 0x0d0), data);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x070));
|
|
|
|
data |= 0x80000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x070));
|
|
|
|
data &= ~0x80000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), data);
|
|
|
|
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x8000);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x0d0));
|
|
|
|
data &= ~0xf000;
|
|
|
|
data |= 0x8000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x0d0), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x201);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
if (data & 0x200)
|
|
|
|
INFO("wdet lbs fail\n");
|
|
|
|
|
|
|
|
dq[0] = mmio_read_32((0xf712c000 + 0x234)) & 0x1f00;
|
|
|
|
dq[1] = mmio_read_32((0xf712c000 + 0x2b4)) & 0x1f00;
|
|
|
|
dq[2] = mmio_read_32((0xf712c000 + 0x334)) & 0x1f00;
|
|
|
|
dq[3] = mmio_read_32((0xf712c000 + 0x3b4)) & 0x1f00;
|
|
|
|
|
|
|
|
do {
|
|
|
|
mmio_write_32((0xf712c000 + 0x234), dq[0]);
|
|
|
|
mmio_write_32((0xf712c000 + 0x2b4), dq[1]);
|
|
|
|
mmio_write_32((0xf712c000 + 0x334), dq[2]);
|
|
|
|
mmio_write_32((0xf712c000 + 0x3b4), dq[3]);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x070));
|
|
|
|
data |= 0x80000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x070));
|
|
|
|
data &= ~0x80000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x8000);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x0d0));
|
|
|
|
data &= ~0xf000;
|
|
|
|
data |= 0x4000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x0d0), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x201);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
wdet = data & 0x200;
|
|
|
|
if (wdet) {
|
|
|
|
INFO("wdet ds fail\n");
|
|
|
|
mmio_write_32((0xf712c000 + 0x008), 0x200);
|
|
|
|
}
|
|
|
|
mdelay(10);
|
|
|
|
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x210 + i * 0x80));
|
|
|
|
if ((!(data & 0x1f)) || (!(data & 0x1f00)) ||
|
|
|
|
(!(data & 0x1f0000)) || (!(data & 0x1f000000)))
|
|
|
|
zero_bdl = 1;
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x214 + i * 0x80));
|
|
|
|
if ((!(data & 0x1f)) || (!(data & 0x1f00)) ||
|
|
|
|
(!(data & 0x1f0000)) || (!(data & 0x1f000000)))
|
|
|
|
zero_bdl = 1;
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x218 + i * 0x80));
|
|
|
|
if (!(data & 0x1f))
|
|
|
|
zero_bdl = 1;
|
|
|
|
if (zero_bdl) {
|
|
|
|
if (i == 0)
|
|
|
|
dq[0] = dq[0] - 0x100;
|
|
|
|
if (i == 1)
|
|
|
|
dq[1] = dq[1] - 0x100;
|
|
|
|
if (i == 2)
|
|
|
|
dq[2] = dq[2] - 0x100;
|
|
|
|
if (i == 3)
|
|
|
|
dq[3] = dq[3] - 0x100;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} while (wdet);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x0d0));
|
|
|
|
data &= ~0xf000;
|
|
|
|
data |= 0x3000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x0d0), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x201);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
if (data & 0x200)
|
|
|
|
INFO("wdet rbs av fail\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_ddrc_533mhz(void)
|
|
|
|
{
|
|
|
|
unsigned int data;
|
|
|
|
|
|
|
|
mmio_write_32((0xf7032000 + 0x580), 0x3);
|
|
|
|
mmio_write_32((0xf7032000 + 0x5a8), 0x11111);
|
|
|
|
data = mmio_read_32((0xf7032000 + 0x104));
|
|
|
|
data |= 0x100;
|
|
|
|
mmio_write_32((0xf7032000 + 0x104), data);
|
|
|
|
|
|
|
|
mmio_write_32((0xf7030000 + 0x050), 0x30);
|
|
|
|
mmio_write_32((0xf7030000 + 0x240), 0x5ffff);
|
|
|
|
mmio_write_32((0xf7030000 + 0x344), 0xf5ff);
|
|
|
|
mmio_write_32((0xf712c000 + 0x00c), 0x400);
|
|
|
|
mmio_write_32((0xf712c000 + 0x018), 0x7);
|
|
|
|
mmio_write_32((0xf712c000 + 0x090), 0x6400000);
|
|
|
|
mmio_write_32((0xf712c000 + 0x258), 0x640);
|
|
|
|
mmio_write_32((0xf712c000 + 0x2d8), 0x640);
|
|
|
|
mmio_write_32((0xf712c000 + 0x358), 0x640);
|
|
|
|
mmio_write_32((0xf712c000 + 0x3d8), 0x640);
|
|
|
|
mmio_write_32((0xf712c000 + 0x018), 0x0);
|
|
|
|
mmio_write_32((0xf712c000 + 0x0b0), 0xf00000f);
|
|
|
|
mmio_write_32((0xf712c000 + 0x0b4), 0xf);
|
|
|
|
mmio_write_32((0xf712c000 + 0x088), 0x3fff801);
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), 0x8940000);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x078));
|
|
|
|
data |= 4;
|
|
|
|
mmio_write_32((0xf712c000 + 0x078), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x01c), 0x8000080);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x020));
|
|
|
|
data &= 0xfffffffe;
|
|
|
|
mmio_write_32((0xf712c000 + 0x020), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x1d4), 0xc0000);
|
|
|
|
mmio_write_32((0xf712c000 + 0x010), 0x500000f);
|
|
|
|
mmio_write_32((0xf712c000 + 0x014), 0x10);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x1e4));
|
|
|
|
data &= 0xffffff00;
|
|
|
|
mmio_write_32((0xf712c000 + 0x1e4), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x030), 0x9dd87855);
|
|
|
|
mmio_write_32((0xf712c000 + 0x034), 0xa7138bb);
|
|
|
|
mmio_write_32((0xf712c000 + 0x038), 0x20091477);
|
|
|
|
mmio_write_32((0xf712c000 + 0x03c), 0x84534e16);
|
|
|
|
mmio_write_32((0xf712c000 + 0x040), 0x3008817);
|
|
|
|
mmio_write_32((0xf712c000 + 0x064), 0x106c3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x068), 0xff0a0000);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x070));
|
|
|
|
data &= 0xffff0000;
|
|
|
|
data |= 0x305;
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x048));
|
|
|
|
data |= 0x40000000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x048), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x020));
|
|
|
|
data &= ~0x10;
|
|
|
|
mmio_write_32((0xf712c000 + 0x020), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x080));
|
|
|
|
data &= ~0x2000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x080), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x270), 0x3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x2f0), 0x3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x370), 0x3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x3f0), 0x3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x048), 0xd0420900);
|
|
|
|
|
|
|
|
mmio_write_32((0xf7128000 + 0x040), 0x0);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x140f);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
if (data & 0x7fe) {
|
|
|
|
NOTICE("failed to init lpddr3 rank0 dram phy\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
NOTICE("succeed to init lpddr3 rank0 dram phy\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_ddrc_800mhz(void)
|
|
|
|
{
|
|
|
|
unsigned int data;
|
|
|
|
|
|
|
|
mmio_write_32((0xf7032000 + 0x580), 0x2);
|
|
|
|
mmio_write_32((0xf7032000 + 0x5a8), 0x1003);
|
|
|
|
data = mmio_read_32((0xf7032000 + 0x104));
|
|
|
|
data &= 0xfffffcff;
|
|
|
|
mmio_write_32((0xf7032000 + 0x104), data);
|
|
|
|
|
|
|
|
mmio_write_32((0xf7030000 + 0x050), 0x30);
|
|
|
|
mmio_write_32((0xf7030000 + 0x240), 0x5ffff);
|
|
|
|
mmio_write_32((0xf7030000 + 0x344), 0xf5ff);
|
|
|
|
mmio_write_32((0xf712c000 + 0x00c), 0x400);
|
|
|
|
mmio_write_32((0xf712c000 + 0x018), 0x7);
|
|
|
|
mmio_write_32((0xf712c000 + 0x090), 0x5400000);
|
|
|
|
mmio_write_32((0xf712c000 + 0x258), 0x540);
|
|
|
|
mmio_write_32((0xf712c000 + 0x2d8), 0x540);
|
|
|
|
mmio_write_32((0xf712c000 + 0x358), 0x540);
|
|
|
|
mmio_write_32((0xf712c000 + 0x3d8), 0x540);
|
|
|
|
mmio_write_32((0xf712c000 + 0x018), 0x0);
|
|
|
|
mmio_write_32((0xf712c000 + 0x0b0), 0xf00000f);
|
|
|
|
mmio_write_32((0xf712c000 + 0x0b4), 0xf);
|
|
|
|
mmio_write_32((0xf712c000 + 0x088), 0x3fff801);
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), 0x8940000);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x078));
|
|
|
|
data |= 4;
|
|
|
|
mmio_write_32((0xf712c000 + 0x078), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x01c), 0x8000080);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x020));
|
|
|
|
data &= 0xfffffffe;
|
|
|
|
mmio_write_32((0xf712c000 + 0x020), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x1d4), 0xc0000);
|
|
|
|
mmio_write_32((0xf712c000 + 0x010), 0x500000f);
|
|
|
|
mmio_write_32((0xf712c000 + 0x014), 0x10);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x1e4));
|
|
|
|
data &= 0xffffff00;
|
|
|
|
mmio_write_32((0xf712c000 + 0x1e4), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x030), 0xe663ab77);
|
|
|
|
mmio_write_32((0xf712c000 + 0x034), 0xea952db);
|
|
|
|
mmio_write_32((0xf712c000 + 0x038), 0x200d1cb1);
|
|
|
|
mmio_write_32((0xf712c000 + 0x03c), 0xc67d0721);
|
|
|
|
mmio_write_32((0xf712c000 + 0x040), 0x3008aa1);
|
|
|
|
mmio_write_32((0xf712c000 + 0x064), 0x11a43);
|
|
|
|
mmio_write_32((0xf712c000 + 0x068), 0xff0a0000);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x070));
|
|
|
|
data &= 0xffff0000;
|
|
|
|
data |= 0x507;
|
|
|
|
mmio_write_32((0xf712c000 + 0x070), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x048));
|
|
|
|
data |= 0x40000000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x048), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x020));
|
|
|
|
data &= 0xffffffef;
|
|
|
|
mmio_write_32((0xf712c000 + 0x020), data);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x080));
|
|
|
|
data &= 0xffffdfff;
|
|
|
|
mmio_write_32((0xf712c000 + 0x080), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x270), 0x3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x2f0), 0x3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x370), 0x3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x3f0), 0x3);
|
|
|
|
mmio_write_32((0xf712c000 + 0x048), 0xd0420900);
|
|
|
|
|
|
|
|
mmio_write_32((0xf7128000 + 0x040), 0x2001);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x140f);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
if (data & 0x7fe) {
|
|
|
|
WARN("failed to init lpddr3 rank0 dram phy\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ddrc_common_init(int ddr800)
|
|
|
|
{
|
|
|
|
unsigned int data;
|
|
|
|
|
|
|
|
mmio_write_32((0xf7120000 + 0x020), 0x1);
|
|
|
|
mmio_write_32((0xf7120000 + 0x100), 0x1700);
|
|
|
|
mmio_write_32((0xf7120000 + 0x104), 0x71040004);
|
|
|
|
mmio_write_32((0xf7121400 + 0x104), 0xf);
|
|
|
|
mmio_write_32((0xf7121800 + 0x104), 0xf);
|
|
|
|
mmio_write_32((0xf7121800 + 0x104), 0xf);
|
|
|
|
mmio_write_32((0xf7121c00 + 0x104), 0xf);
|
|
|
|
mmio_write_32((0xf7122000 + 0x104), 0xf);
|
|
|
|
mmio_write_32((0xf7128000 + 0x02c), 0x6);
|
|
|
|
mmio_write_32((0xf7128000 + 0x020), 0x1);
|
|
|
|
mmio_write_32((0xf7128000 + 0x028), 0x310201);
|
|
|
|
mmio_write_32((0xf712c000 + 0x1e4), 0xfe007600);
|
|
|
|
mmio_write_32((0xf7128000 + 0x01c), 0xaf001);
|
|
|
|
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x280));
|
|
|
|
data |= 1 << 7;
|
|
|
|
mmio_write_32((0xf7128000 + 0x280), data);
|
|
|
|
mmio_write_32((0xf7128000 + 0x244), 0x3);
|
|
|
|
|
|
|
|
if (ddr800)
|
|
|
|
mmio_write_32((0xf7128000 + 0x240), 167 * 400000 / 1024);
|
|
|
|
else
|
|
|
|
mmio_write_32((0xf7128000 + 0x240), 167 * 533000 / 1024);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x080));
|
|
|
|
data &= 0xffff;
|
|
|
|
data |= 0x4002000;
|
|
|
|
mmio_write_32((0xf712c000 + 0x080), data);
|
|
|
|
mmio_write_32((0xf7128000 + 0x000), 0x0);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x294));
|
|
|
|
} while (data & 1);
|
|
|
|
mmio_write_32((0xf7128000 + 0x000), 0x2);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int dienum_det_and_rowcol_cfg(void)
|
|
|
|
{
|
|
|
|
unsigned int data;
|
|
|
|
|
|
|
|
mmio_write_32((0xf7128000 + 0x210), 0x87);
|
|
|
|
mmio_write_32((0xf7128000 + 0x218), 0x10000);
|
|
|
|
mmio_write_32((0xf7128000 + 0x00c), 0x1);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x00c));
|
|
|
|
} while (data & 1);
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x4a8)) & 0xfc;
|
|
|
|
switch (data) {
|
|
|
|
case 0x18:
|
|
|
|
mmio_write_32((0xf7128000 + 0x060), 0x132);
|
|
|
|
mmio_write_32((0xf7128000 + 0x064), 0x132);
|
|
|
|
mmio_write_32((0xf7120000 + 0x100), 0x1600);
|
|
|
|
mmio_write_32((0xf7120000 + 0x104), 0x71040004);
|
|
|
|
break;
|
|
|
|
case 0x1c:
|
|
|
|
mmio_write_32((0xf7128000 + 0x060), 0x142);
|
|
|
|
mmio_write_32((0xf7128000 + 0x064), 0x142);
|
|
|
|
mmio_write_32((0xf7120000 + 0x100), 0x1700);
|
|
|
|
mmio_write_32((0xf7120000 + 0x104), 0x71040004);
|
|
|
|
break;
|
|
|
|
case 0x58:
|
|
|
|
mmio_write_32((0xf7128000 + 0x060), 0x133);
|
|
|
|
mmio_write_32((0xf7128000 + 0x064), 0x133);
|
|
|
|
mmio_write_32((0xf7120000 + 0x100), 0x1700);
|
|
|
|
mmio_write_32((0xf7120000 + 0x104), 0x71040004);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (!data)
|
|
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int detect_ddr_chip_info(void)
|
|
|
|
{
|
|
|
|
unsigned int data, mr5, mr6, mr7;
|
|
|
|
|
|
|
|
mmio_write_32((0xf7128000 + 0x210), 0x57);
|
|
|
|
mmio_write_32((0xf7128000 + 0x218), 0x10000);
|
|
|
|
mmio_write_32((0xf7128000 + 0x00c), 0x1);
|
|
|
|
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x00c));
|
|
|
|
} while (data & 1);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x4a8));
|
|
|
|
mr5 = data & 0xff;
|
|
|
|
switch (mr5) {
|
|
|
|
case 1:
|
|
|
|
INFO("Samsung DDR\n");
|
|
|
|
break;
|
|
|
|
case 6:
|
|
|
|
INFO("Hynix DDR\n");
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
INFO("Elpida DDR\n");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
INFO("DDR from other vendors\n");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
mmio_write_32((0xf7128000 + 0x210), 0x67);
|
|
|
|
mmio_write_32((0xf7128000 + 0x218), 0x10000);
|
|
|
|
mmio_write_32((0xf7128000 + 0x00c), 0x1);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x00c));
|
|
|
|
} while (data & 1);
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x4a8));
|
|
|
|
mr6 = data & 0xff;
|
|
|
|
mmio_write_32((0xf7128000 + 0x210), 0x77);
|
|
|
|
mmio_write_32((0xf7128000 + 0x218), 0x10000);
|
|
|
|
mmio_write_32((0xf7128000 + 0x00c), 0x1);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x00c));
|
|
|
|
} while (data & 1);
|
|
|
|
data = mmio_read_32((0xf7128000 + 0x4a8));
|
|
|
|
mr7 = data & 0xff;
|
|
|
|
data = mr5 + (mr6 << 8) + (mr7 << 16);
|
|
|
|
return data;
|
|
|
|
}
|
|
|
|
|
|
|
|
int lpddr3_freq_init(int freq)
|
|
|
|
{
|
|
|
|
unsigned int data;
|
|
|
|
|
|
|
|
if (freq == DDR_FREQ_800M) {
|
|
|
|
set_ddrc_800mhz();
|
|
|
|
INFO("%s, set ddrc 800mhz\n", __func__);
|
|
|
|
} else {
|
|
|
|
set_ddrc_533mhz();
|
|
|
|
INFO("%s, set ddrc 533mhz\n", __func__);
|
|
|
|
}
|
|
|
|
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0xf1);
|
|
|
|
if (freq == DDR_FREQ_800M)
|
|
|
|
mmio_write_32((0xf7128000 + 0x050), 0x100023);
|
|
|
|
else
|
|
|
|
mmio_write_32((0xf7128000 + 0x050), 0x100123);
|
|
|
|
mmio_write_32((0xf7128000 + 0x060), 0x133);
|
|
|
|
mmio_write_32((0xf7128000 + 0x064), 0x133);
|
|
|
|
mmio_write_32((0xf7128000 + 0x200), 0xa1000);
|
|
|
|
|
|
|
|
if (freq == DDR_FREQ_800M) {
|
|
|
|
mmio_write_32((0xf7128000 + 0x100), 0x755a9d12);
|
|
|
|
mmio_write_32((0xf7128000 + 0x104), 0x1753b055);
|
|
|
|
mmio_write_32((0xf7128000 + 0x108), 0x7401505f);
|
|
|
|
mmio_write_32((0xf7128000 + 0x10c), 0x578ca244);
|
|
|
|
mmio_write_32((0xf7128000 + 0x110), 0x10700000);
|
|
|
|
mmio_write_32((0xf7128000 + 0x114), 0x13141306);
|
|
|
|
} else {
|
|
|
|
mmio_write_32((0xf7128000 + 0x100), 0xb77b6718);
|
|
|
|
mmio_write_32((0xf7128000 + 0x104), 0x1e82a071);
|
|
|
|
mmio_write_32((0xf7128000 + 0x108), 0x9501c07e);
|
|
|
|
mmio_write_32((0xf7128000 + 0x10c), 0xaf50c255);
|
|
|
|
mmio_write_32((0xf7128000 + 0x110), 0x10b00000);
|
|
|
|
mmio_write_32((0xf7128000 + 0x114), 0x13181908);
|
|
|
|
}
|
|
|
|
mmio_write_32((0xf7128000 + 0x118), 0x44);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
if (data & 0x7fe) {
|
|
|
|
NOTICE("fail to init ddr3 rank0\n");
|
|
|
|
return -EFAULT;
|
|
|
|
}
|
|
|
|
INFO("init ddr3 rank0\n");
|
|
|
|
ddrx_rdet();
|
|
|
|
ddrx_wdet();
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x048));
|
|
|
|
data |= 1;
|
|
|
|
mmio_write_32((0xf712c000 + 0x048), data);
|
|
|
|
mmio_write_32((0xf712c000 + 0x004), 0x21);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x004));
|
|
|
|
} while (data & 1);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x008));
|
|
|
|
if (data & 0x7fe)
|
|
|
|
NOTICE("ddr3 rank1 init failure\n");
|
|
|
|
else
|
|
|
|
INFO("ddr3 rank1 init pass\n");
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf712c000 + 0x048));
|
|
|
|
data &= ~0xf;
|
|
|
|
mmio_write_32((0xf712c000 + 0x048), data);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void init_ddr(int freq)
|
|
|
|
{
|
|
|
|
unsigned int data;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf7032000 + 0x030));
|
|
|
|
data |= 1;
|
|
|
|
mmio_write_32((0xf7032000 + 0x030), data);
|
|
|
|
data = mmio_read_32((0xf7032000 + 0x010));
|
|
|
|
data |= 1;
|
|
|
|
mmio_write_32((0xf7032000 + 0x010), data);
|
|
|
|
|
|
|
|
udelay(100);
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf7032000 + 0x030));
|
|
|
|
data &= 3 << 28;
|
|
|
|
} while (data != (3 << 28));
|
|
|
|
do {
|
|
|
|
data = mmio_read_32((0xf7032000 + 0x010));
|
|
|
|
data &= 3 << 28;
|
|
|
|
} while (data != (3 << 28));
|
|
|
|
|
|
|
|
ret = lpddr3_freq_init(freq);
|
|
|
|
if (ret)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void init_ddrc_qos(void)
|
|
|
|
{
|
|
|
|
unsigned int port, data;
|
|
|
|
|
|
|
|
mmio_write_32((0xf7124000 + 0x088), 1);
|
|
|
|
|
|
|
|
port = 0;
|
|
|
|
mmio_write_32((0xf7120000 + 0x200 + port * 0x10), 0x1210);
|
|
|
|
mmio_write_32((0xf7120000 + 0x204 + port * 0x10), 0x11111111);
|
|
|
|
mmio_write_32((0xf7120000 + 0x208 + port * 0x10), 0x11111111);
|
|
|
|
mmio_write_32((0xf7120000 + 0x400 + 0 * 0x10), 0x001d0007);
|
|
|
|
|
|
|
|
for (port = 3; port <= 4; port++) {
|
|
|
|
mmio_write_32((0xf7120000 + 0x200 + port * 0x10), 0x1210);
|
|
|
|
mmio_write_32((0xf7120000 + 0x204 + port * 0x10), 0x77777777);
|
|
|
|
mmio_write_32((0xf7120000 + 0x208 + port * 0x10), 0x77777777);
|
|
|
|
}
|
|
|
|
|
|
|
|
port = 1;
|
|
|
|
mmio_write_32((0xf7120000 + 0x200 + port * 0x10), 0x30000);
|
|
|
|
mmio_write_32((0xf7120000 + 0x204 + port * 0x10), 0x1234567);
|
|
|
|
mmio_write_32((0xf7120000 + 0x208 + port * 0x10), 0x1234567);
|
|
|
|
|
|
|
|
mmio_write_32((0xf7124000 + 0x1f0), 0);
|
|
|
|
mmio_write_32((0xf7124000 + 0x0bc), 0x3020100);
|
|
|
|
mmio_write_32((0xf7124000 + 0x0d0), 0x3020100);
|
|
|
|
mmio_write_32((0xf7124000 + 0x1f4), 0x01000100);
|
|
|
|
mmio_write_32((0xf7124000 + 0x08c + 0 * 4), 0xd0670402);
|
|
|
|
mmio_write_32((0xf7124000 + 0x068 + 0 * 4), 0x31);
|
|
|
|
mmio_write_32((0xf7124000 + 0x000), 0x7);
|
|
|
|
|
|
|
|
data = mmio_read_32((0xf7124000 + 0x09c));
|
|
|
|
data &= ~0xff0000;
|
|
|
|
data |= 0x400000;
|
|
|
|
mmio_write_32((0xf7124000 + 0x09c), data);
|
|
|
|
data = mmio_read_32((0xf7124000 + 0x0ac));
|
|
|
|
data &= ~0xff0000;
|
|
|
|
data |= 0x400000;
|
|
|
|
mmio_write_32((0xf7124000 + 0x0ac), data);
|
|
|
|
port = 2;
|
|
|
|
mmio_write_32((0xf7120000 + 0x200 + port * 0x10), 0x30000);
|
|
|
|
mmio_write_32((0xf7120000 + 0x204 + port * 0x10), 0x1234567);
|
|
|
|
mmio_write_32((0xf7120000 + 0x208 + port * 0x10), 0x1234567);
|
|
|
|
|
|
|
|
|
|
|
|
mmio_write_32((0xf7124000 + 0x09c), 0xff7fff);
|
|
|
|
mmio_write_32((0xf7124000 + 0x0a0), 0xff);
|
|
|
|
mmio_write_32((0xf7124000 + 0x0ac), 0xff7fff);
|
|
|
|
mmio_write_32((0xf7124000 + 0x0b0), 0xff);
|
|
|
|
mmio_write_32((0xf7124000 + 0x0bc), 0x3020100);
|
|
|
|
mmio_write_32((0xf7124000 + 0x0d0), 0x3020100);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ddr_phy_reset(void)
|
|
|
|
{
|
|
|
|
mmio_write_32(0xf7030340, 0xa000);
|
|
|
|
mmio_write_32(0xf7030344, 0xa000);
|
|
|
|
}
|
|
|
|
|
|
|
|
void hikey_ddr_init(void)
|
|
|
|
{
|
|
|
|
uint32_t data;
|
|
|
|
|
|
|
|
init_pll();
|
|
|
|
init_freq();
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Init DDR with 533MHz. Otherwise, DDR initialization
|
|
|
|
* may fail on 800MHz on some boards.
|
|
|
|
*/
|
|
|
|
ddr_phy_reset();
|
|
|
|
init_ddr(DDR_FREQ_533M);
|
|
|
|
/* Init DDR with 800MHz. */
|
|
|
|
ddr_phy_reset();
|
|
|
|
init_ddr(DDR_FREQ_800M);
|
|
|
|
|
|
|
|
|
|
|
|
ddrc_common_init(1);
|
|
|
|
dienum_det_and_rowcol_cfg();
|
|
|
|
detect_ddr_chip_info();
|
|
|
|
|
|
|
|
data = mmio_read_32(0xf7032000 + 0x010);
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data &= ~0x1;
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mmio_write_32(0xf7032000 + 0x010, data);
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|
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data = mmio_read_32(0xf7032000 + 0x010);
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|
|
|
|
|
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/*
|
|
|
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* Test memory access. Do not use address 0x0 because the compiler
|
|
|
|
* may assume it is not a valid address and generate incorrect code
|
|
|
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* (GCC 4.9.1 without -fno-delete-null-pointer-checks for instance).
|
|
|
|
*/
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|
|
|
mmio_write_32(0x4, 0xa5a55a5a);
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|
|
|
INFO("ddr test value:0x%x\n", mmio_read_32(0x4));
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|
|
|
init_ddrc_qos();
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|
|
|
}
|