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![Simon Glass](/assets/img/avatar_default.png)
Rename this function for consistency with env_set(). Signed-off-by: Simon Glass <sjg@chromium.org>
536 lines
12 KiB
C
536 lines
12 KiB
C
/*
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* Copyright (C) 2017 Marek Behun <marek.behun@nic.cz>
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* Copyright (C) 2016 Tomas Hlavacek <tomas.hlavacek@nic.cz>
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*
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* Derived from the code for
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* Marvell/db-88f6820-gp by Stefan Roese <sr@denx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <i2c.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include <asm/io.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/soc.h>
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#include <dm/uclass.h>
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#include <fdt_support.h>
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#include <time.h>
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#ifdef CONFIG_ATSHA204A
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# include <atsha204a-i2c.h>
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#endif
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#ifdef CONFIG_WDT_ORION
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# include <wdt.h>
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#endif
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#include "../drivers/ddr/marvell/a38x/ddr3_a38x_topology.h"
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#include <../serdes/a38x/high_speed_env_spec.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define OMNIA_I2C_EEPROM_DM_NAME "i2c@0"
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#define OMNIA_I2C_EEPROM 0x54
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#define OMNIA_I2C_EEPROM_CONFIG_ADDR 0x0
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#define OMNIA_I2C_EEPROM_ADDRLEN 2
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#define OMNIA_I2C_EEPROM_MAGIC 0x0341a034
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#define OMNIA_I2C_MCU_DM_NAME "i2c@0"
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#define OMNIA_I2C_MCU_ADDR_STATUS 0x1
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#define OMNIA_I2C_MCU_SATA 0x20
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#define OMNIA_I2C_MCU_CARDDET 0x10
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#define OMNIA_I2C_MCU 0x2a
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#define OMNIA_I2C_MCU_WDT_ADDR 0x0b
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#define OMNIA_ATSHA204_OTP_VERSION 0
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#define OMNIA_ATSHA204_OTP_SERIAL 1
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#define OMNIA_ATSHA204_OTP_MAC0 3
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#define OMNIA_ATSHA204_OTP_MAC1 4
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#define MVTWSI_ARMADA_DEBUG_REG 0x8c
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/*
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* Those values and defines are taken from the Marvell U-Boot version
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* "u-boot-2013.01-2014_T3.0"
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*/
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#define OMNIA_GPP_OUT_ENA_LOW \
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(~(BIT(1) | BIT(4) | BIT(6) | BIT(7) | BIT(8) | BIT(9) | \
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BIT(10) | BIT(11) | BIT(19) | BIT(22) | BIT(23) | BIT(25) | \
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BIT(26) | BIT(27) | BIT(29) | BIT(30) | BIT(31)))
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#define OMNIA_GPP_OUT_ENA_MID \
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(~(BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(15) | \
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BIT(16) | BIT(17) | BIT(18)))
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#define OMNIA_GPP_OUT_VAL_LOW 0x0
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#define OMNIA_GPP_OUT_VAL_MID 0x0
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#define OMNIA_GPP_POL_LOW 0x0
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#define OMNIA_GPP_POL_MID 0x0
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static struct serdes_map board_serdes_map_pex[] = {
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{PEX0, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
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{USB3_HOST0, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
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{PEX1, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
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{USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
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{PEX2, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
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{SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}
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};
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static struct serdes_map board_serdes_map_sata[] = {
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{SATA0, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
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{USB3_HOST0, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
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{PEX1, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
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{USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
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{PEX2, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
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{SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}
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};
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static bool omnia_detect_sata(void)
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{
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struct udevice *bus, *dev;
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int ret, retry = 3;
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u16 mode;
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puts("SERDES0 card detect: ");
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if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_MCU_DM_NAME, &bus)) {
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puts("Cannot find MCU bus!\n");
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return false;
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}
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ret = i2c_get_chip(bus, OMNIA_I2C_MCU, 1, &dev);
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if (ret) {
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puts("Cannot get MCU chip!\n");
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return false;
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}
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for (; retry > 0; --retry) {
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ret = dm_i2c_read(dev, OMNIA_I2C_MCU_ADDR_STATUS, (uchar *) &mode, 2);
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if (!ret)
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break;
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}
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if (!retry) {
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puts("I2C read failed! Default PEX\n");
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return false;
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}
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if (!(mode & OMNIA_I2C_MCU_CARDDET)) {
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puts("NONE\n");
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return false;
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}
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if (mode & OMNIA_I2C_MCU_SATA) {
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puts("SATA\n");
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return true;
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} else {
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puts("PEX\n");
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return false;
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}
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}
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int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
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{
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if (omnia_detect_sata()) {
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*serdes_map_array = board_serdes_map_sata;
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*count = ARRAY_SIZE(board_serdes_map_sata);
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} else {
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*serdes_map_array = board_serdes_map_pex;
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*count = ARRAY_SIZE(board_serdes_map_pex);
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}
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return 0;
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}
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struct omnia_eeprom {
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u32 magic;
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u32 ramsize;
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char region[4];
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u32 crc;
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};
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static bool omnia_read_eeprom(struct omnia_eeprom *oep)
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{
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struct udevice *bus, *dev;
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int ret, crc, retry = 3;
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if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_EEPROM_DM_NAME, &bus)) {
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puts("Cannot find EEPROM bus\n");
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return false;
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}
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ret = i2c_get_chip(bus, OMNIA_I2C_EEPROM, OMNIA_I2C_EEPROM_ADDRLEN, &dev);
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if (ret) {
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puts("Cannot get EEPROM chip\n");
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return false;
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}
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for (; retry > 0; --retry) {
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ret = dm_i2c_read(dev, OMNIA_I2C_EEPROM_CONFIG_ADDR, (uchar *) oep, sizeof(struct omnia_eeprom));
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if (ret)
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continue;
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if (oep->magic != OMNIA_I2C_EEPROM_MAGIC) {
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puts("I2C EEPROM missing magic number!\n");
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continue;
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}
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crc = crc32(0, (unsigned char *) oep,
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sizeof(struct omnia_eeprom) - 4);
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if (crc == oep->crc) {
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break;
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} else {
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printf("CRC of EEPROM memory config failed! "
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"calc=0x%04x saved=0x%04x\n", crc, oep->crc);
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}
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}
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if (!retry) {
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puts("I2C EEPROM read failed!\n");
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return false;
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}
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return true;
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}
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/*
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* Define the DDR layout / topology here in the board file. This will
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* be used by the DDR3 init code in the SPL U-Boot version to configure
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* the DDR3 controller.
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*/
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static struct hws_topology_map board_topology_map_1g = {
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0x1, /* active interfaces */
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/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
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{ { { {0x1, 0, 0, 0},
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{0x1, 0, 0, 0},
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{0x1, 0, 0, 0},
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{0x1, 0, 0, 0},
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{0x1, 0, 0, 0} },
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SPEED_BIN_DDR_1600K, /* speed_bin */
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BUS_WIDTH_16, /* memory_width */
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MEM_4G, /* mem_size */
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DDR_FREQ_800, /* frequency */
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0, 0, /* cas_l cas_wl */
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HWS_TEMP_NORMAL, /* temperature */
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HWS_TIM_2T} }, /* timing (force 2t) */
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5, /* Num Of Bus Per Interface*/
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BUS_MASK_32BIT /* Busses mask */
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};
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static struct hws_topology_map board_topology_map_2g = {
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0x1, /* active interfaces */
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/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
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{ { { {0x1, 0, 0, 0},
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{0x1, 0, 0, 0},
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{0x1, 0, 0, 0},
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{0x1, 0, 0, 0},
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{0x1, 0, 0, 0} },
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SPEED_BIN_DDR_1600K, /* speed_bin */
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BUS_WIDTH_16, /* memory_width */
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MEM_8G, /* mem_size */
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DDR_FREQ_800, /* frequency */
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0, 0, /* cas_l cas_wl */
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HWS_TEMP_NORMAL, /* temperature */
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HWS_TIM_2T} }, /* timing (force 2t) */
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5, /* Num Of Bus Per Interface*/
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BUS_MASK_32BIT /* Busses mask */
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};
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struct hws_topology_map *ddr3_get_topology_map(void)
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{
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static int mem = 0;
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struct omnia_eeprom oep;
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/* Get the board config from EEPROM */
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if (mem == 0) {
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if(!omnia_read_eeprom(&oep))
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goto out;
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printf("Memory config in EEPROM: 0x%02x\n", oep.ramsize);
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if (oep.ramsize == 0x2)
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mem = 2;
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else
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mem = 1;
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}
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out:
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/* Hardcoded fallback */
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if (mem == 0) {
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puts("WARNING: Memory config from EEPROM read failed.\n");
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puts("Falling back to default 1GiB map.\n");
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mem = 1;
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}
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/* Return the board topology as defined in the board code */
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if (mem == 1)
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return &board_topology_map_1g;
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if (mem == 2)
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return &board_topology_map_2g;
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return &board_topology_map_1g;
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}
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#ifndef CONFIG_SPL_BUILD
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static int set_regdomain(void)
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{
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struct omnia_eeprom oep;
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char rd[3] = {' ', ' ', 0};
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if (omnia_read_eeprom(&oep))
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memcpy(rd, &oep.region, 2);
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else
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puts("EEPROM regdomain read failed.\n");
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printf("Regdomain set to %s\n", rd);
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return env_set("regdomain", rd);
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}
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#endif
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int board_early_init_f(void)
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{
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u32 i2c_debug_reg;
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/* Configure MPP */
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writel(0x11111111, MVEBU_MPP_BASE + 0x00);
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writel(0x11111111, MVEBU_MPP_BASE + 0x04);
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writel(0x11244011, MVEBU_MPP_BASE + 0x08);
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writel(0x22222111, MVEBU_MPP_BASE + 0x0c);
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writel(0x22200002, MVEBU_MPP_BASE + 0x10);
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writel(0x30042022, MVEBU_MPP_BASE + 0x14);
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writel(0x55550555, MVEBU_MPP_BASE + 0x18);
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writel(0x00005550, MVEBU_MPP_BASE + 0x1c);
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/* Set GPP Out value */
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writel(OMNIA_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
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writel(OMNIA_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
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/* Set GPP Polarity */
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writel(OMNIA_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
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writel(OMNIA_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
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/* Set GPP Out Enable */
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writel(OMNIA_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
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writel(OMNIA_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
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/* Disable I2C debug mode blocking 0x64 I2C address */
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i2c_debug_reg = readl(MVEBU_TWSI_BASE + MVTWSI_ARMADA_DEBUG_REG);
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i2c_debug_reg &= ~(1<<18);
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writel(i2c_debug_reg, MVEBU_TWSI_BASE + MVTWSI_ARMADA_DEBUG_REG);
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return 0;
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}
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#ifndef CONFIG_SPL_BUILD
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static bool disable_mcu_watchdog(void)
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{
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struct udevice *bus, *dev;
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int ret, retry = 3;
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uchar buf[1] = {0x0};
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if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_MCU_DM_NAME, &bus)) {
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puts("Cannot find MCU bus! Can not disable MCU WDT.\n");
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return false;
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}
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ret = i2c_get_chip(bus, OMNIA_I2C_MCU, 1, &dev);
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if (ret) {
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puts("Cannot get MCU chip! Can not disable MCU WDT.\n");
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return false;
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}
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for (; retry > 0; --retry)
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if (!dm_i2c_write(dev, OMNIA_I2C_MCU_WDT_ADDR, (uchar *) buf, 1))
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break;
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if (retry <= 0) {
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puts("I2C MCU watchdog failed to disable!\n");
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return false;
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}
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return true;
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}
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#endif
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#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT_ORION)
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static struct udevice *watchdog_dev = NULL;
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#endif
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int board_init(void)
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{
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/* adress of boot parameters */
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gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
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#ifndef CONFIG_SPL_BUILD
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# ifdef CONFIG_WDT_ORION
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if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
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puts("Cannot find Armada 385 watchdog!\n");
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} else {
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puts("Enabling Armada 385 watchdog.\n");
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wdt_start(watchdog_dev, (u32) 25000000 * 120, 0);
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}
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# endif
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if (disable_mcu_watchdog())
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puts("Disabled MCU startup watchdog.\n");
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set_regdomain();
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#endif
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return 0;
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}
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#ifdef CONFIG_WATCHDOG
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/* Called by macro WATCHDOG_RESET */
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void watchdog_reset(void)
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{
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# if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT_ORION)
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static ulong next_reset = 0;
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ulong now;
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if (!watchdog_dev)
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return;
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now = timer_get_us();
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/* Do not reset the watchdog too often */
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if (now > next_reset) {
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wdt_reset(watchdog_dev);
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next_reset = now + 1000;
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}
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# endif
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}
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#endif
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int board_late_init(void)
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{
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#ifndef CONFIG_SPL_BUILD
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set_regdomain();
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#endif
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return 0;
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}
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#ifdef CONFIG_ATSHA204A
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static struct udevice *get_atsha204a_dev(void)
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{
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static struct udevice *dev = NULL;
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if (dev != NULL)
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return dev;
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if (uclass_get_device_by_name(UCLASS_MISC, "atsha204a@64", &dev)) {
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puts("Cannot find ATSHA204A on I2C bus!\n");
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dev = NULL;
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}
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return dev;
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}
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#endif
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int checkboard(void)
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{
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u32 version_num, serial_num;
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int err = 1;
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#ifdef CONFIG_ATSHA204A
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struct udevice *dev = get_atsha204a_dev();
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if (dev) {
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err = atsha204a_wakeup(dev);
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if (err)
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goto out;
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err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false,
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OMNIA_ATSHA204_OTP_VERSION,
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(u8 *) &version_num);
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if (err)
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goto out;
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err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false,
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OMNIA_ATSHA204_OTP_SERIAL,
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(u8 *) &serial_num);
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if (err)
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goto out;
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atsha204a_sleep(dev);
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}
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out:
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#endif
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if (err)
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printf("Board: Turris Omnia (ver N/A). SN: N/A\n");
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else
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printf("Board: Turris Omnia SNL %08X%08X\n",
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be32_to_cpu(version_num), be32_to_cpu(serial_num));
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return 0;
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}
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static void increment_mac(u8 *mac)
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{
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int i;
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for (i = 5; i >= 3; i--) {
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mac[i] += 1;
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if (mac[i])
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break;
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}
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}
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int misc_init_r(void)
|
|
{
|
|
#ifdef CONFIG_ATSHA204A
|
|
int err;
|
|
struct udevice *dev = get_atsha204a_dev();
|
|
u8 mac0[4], mac1[4], mac[6];
|
|
|
|
if (!dev)
|
|
goto out;
|
|
|
|
err = atsha204a_wakeup(dev);
|
|
if (err)
|
|
goto out;
|
|
|
|
err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false,
|
|
OMNIA_ATSHA204_OTP_MAC0, mac0);
|
|
if (err)
|
|
goto out;
|
|
|
|
err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false,
|
|
OMNIA_ATSHA204_OTP_MAC1, mac1);
|
|
if (err)
|
|
goto out;
|
|
|
|
atsha204a_sleep(dev);
|
|
|
|
mac[0] = mac0[1];
|
|
mac[1] = mac0[2];
|
|
mac[2] = mac0[3];
|
|
mac[3] = mac1[1];
|
|
mac[4] = mac1[2];
|
|
mac[5] = mac1[3];
|
|
|
|
if (is_valid_ethaddr(mac))
|
|
eth_env_set_enetaddr("ethaddr", mac);
|
|
|
|
increment_mac(mac);
|
|
|
|
if (is_valid_ethaddr(mac))
|
|
eth_env_set_enetaddr("eth1addr", mac);
|
|
|
|
increment_mac(mac);
|
|
|
|
if (is_valid_ethaddr(mac))
|
|
eth_env_set_enetaddr("eth2addr", mac);
|
|
|
|
out:
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|