upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/keymile/kmp204x/kmp204x.c

304 lines
7.0 KiB

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2013 Keymile AG
* Valentin Longchamp <valentin.longchamp@keymile.com>
*
* Copyright 2011,2012 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <command.h>
#include <netdev.h>
#include <linux/compiler.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/cache.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_law.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_portals.h>
#include <asm/fsl_liodn.h>
#include <fm_eth.h>
#include "../common/common.h"
#include "kmp204x.h"
static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
int checkboard(void)
{
printf("Board: Keymile %s\n", CONFIG_KM_BOARD_NAME);
return 0;
}
/* I2C deblocking uses the algorithm defined in board/keymile/common/common.c
* 2 dedicated QRIO GPIOs externally pull the SCL and SDA lines
* For I2C only the low state is activly driven and high state is pulled-up
* by a resistor. Therefore the deblock GPIOs are used
* -> as an active output to drive a low state
* -> as an open-drain input to have a pulled-up high state
*/
/* QRIO GPIOs used for deblocking */
#define DEBLOCK_PORT1 GPIO_A
#define DEBLOCK_SCL1 20
#define DEBLOCK_SDA1 21
/* By default deblock GPIOs are floating */
static void i2c_deblock_gpio_cfg(void)
{
/* set I2C bus 1 deblocking GPIOs input, but 0 value for open drain */
qrio_gpio_direction_input(DEBLOCK_PORT1, DEBLOCK_SCL1);
qrio_gpio_direction_input(DEBLOCK_PORT1, DEBLOCK_SDA1);
qrio_set_gpio(DEBLOCK_PORT1, DEBLOCK_SCL1, 0);
qrio_set_gpio(DEBLOCK_PORT1, DEBLOCK_SDA1, 0);
}
void set_sda(int state)
{
qrio_set_opendrain_gpio(DEBLOCK_PORT1, DEBLOCK_SDA1, state);
}
void set_scl(int state)
{
qrio_set_opendrain_gpio(DEBLOCK_PORT1, DEBLOCK_SCL1, state);
}
int get_sda(void)
{
return qrio_get_gpio(DEBLOCK_PORT1, DEBLOCK_SDA1);
}
int get_scl(void)
{
return qrio_get_gpio(DEBLOCK_PORT1, DEBLOCK_SCL1);
}
#define ZL30158_RST 8
#define BFTIC4_RST 0
#define RSTRQSR1_WDT_RR 0x00200000
#define RSTRQSR1_SW_RR 0x00100000
int board_early_init_f(void)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
bool cpuwd_flag = false;
/* configure mode for uP reset request */
qrio_uprstreq(UPREQ_CORE_RST);
/* board only uses the DDR_MCK0, so disable the DDR_MCK1/2/3 */
setbits_be32(&gur->ddrclkdr, 0x001f000f);
/* set reset reason according CPU register */
if ((gur->rstrqsr1 & (RSTRQSR1_WDT_RR | RSTRQSR1_SW_RR)) ==
RSTRQSR1_WDT_RR)
cpuwd_flag = true;
qrio_cpuwd_flag(cpuwd_flag);
/* clear CPU bits by writing 1 */
setbits_be32(&gur->rstrqsr1, RSTRQSR1_WDT_RR | RSTRQSR1_SW_RR);
/* set the BFTIC's prstcfg to reset at power-up and unit reset only */
qrio_prstcfg(BFTIC4_RST, PRSTCFG_POWUP_UNIT_RST);
/* and enable WD on it */
qrio_wdmask(BFTIC4_RST, true);
/* set the ZL30138's prstcfg to reset at power-up only */
qrio_prstcfg(ZL30158_RST, PRSTCFG_POWUP_RST);
/* and take it out of reset as soon as possible (needed for Hooper) */
qrio_prst(ZL30158_RST, false, false);
return 0;
}
int board_early_init_r(void)
{
int ret = 0;
/* Flush d-cache and invalidate i-cache of any FLASH data */
flush_dcache();
invalidate_icache();
set_liodns();
setup_qbman_portals();
ret = trigger_fpga_config();
if (ret)
printf("error triggering PCIe FPGA config\n");
/* enable the Unit LED (red) & Boot LED (on) */
qrio_set_leds();
/* enable Application Buffer */
qrio_enable_app_buffer();
return ret;
}
unsigned long get_board_sys_clk(unsigned long dummy)
{
return 66666666;
}
#define ETH_FRONT_PHY_RST 15
#define QSFP2_RST 11
#define QSFP1_RST 10
#define ZL30343_RST 9
int misc_init_f(void)
{
/* configure QRIO pis for i2c deblocking */
i2c_deblock_gpio_cfg();
/* configure the front phy's prstcfg and take it out of reset */
qrio_prstcfg(ETH_FRONT_PHY_RST, PRSTCFG_POWUP_UNIT_CORE_RST);
qrio_prst(ETH_FRONT_PHY_RST, false, false);
/* set the ZL30343 prstcfg to reset at power-up only */
qrio_prstcfg(ZL30343_RST, PRSTCFG_POWUP_RST);
/* and enable the WD on it */
qrio_wdmask(ZL30343_RST, true);
/* set the QSFPs' prstcfg to reset at power-up and unit rst only */
qrio_prstcfg(QSFP1_RST, PRSTCFG_POWUP_UNIT_RST);
qrio_prstcfg(QSFP2_RST, PRSTCFG_POWUP_UNIT_RST);
/* and enable the WD on them */
qrio_wdmask(QSFP1_RST, true);
qrio_wdmask(QSFP2_RST, true);
return 0;
}
#define NUM_SRDS_BANKS 2
int misc_init_r(void)
{
serdes_corenet_t *regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
u32 expected[NUM_SRDS_BANKS] = {SRDS_PLLCR0_RFCK_SEL_100,
SRDS_PLLCR0_RFCK_SEL_125};
unsigned int i;
/* check SERDES reference clocks */
for (i = 0; i < NUM_SRDS_BANKS; i++) {
u32 actual = in_be32(&regs->bank[i].pllcr0);
actual &= SRDS_PLLCR0_RFCK_SEL_MASK;
if (actual != expected[i]) {
printf("Warning: SERDES bank %u expects reference \
clock %sMHz, but actual is %sMHz\n", i + 1,
serdes_clock_to_string(expected[i]),
serdes_clock_to_string(actual));
}
}
ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
return 0;
}
#if defined(CONFIG_HUSH_INIT_VAR)
int hush_init_var(void)
{
ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
return 0;
}
#endif
#if defined(CONFIG_LAST_STAGE_INIT)
int last_stage_init(void)
{
#if defined(CONFIG_KMCOGE4)
/* on KMCOGE4, the BFTIC4 is on the LBAPP2 */
struct bfticu_iomap *bftic4 =
(struct bfticu_iomap *)CONFIG_SYS_LBAPP2_BASE;
u8 dip_switch = in_8((u8 *)&(bftic4->mswitch)) & BFTICU_DIPSWITCH_MASK;
if (dip_switch != 0) {
/* start bootloader */
puts("DIP: Enabled\n");
env_set("actual_bank", "0");
}
#endif
set_km_env();
return 0;
}
#endif
#ifdef CONFIG_SYS_DPAA_FMAN
void fdt_fixup_fman_mac_addresses(void *blob)
{
int node, i, ret;
char *tmp, *end;
unsigned char mac_addr[6];
/* get the mac addr from env */
tmp = env_get("ethaddr");
if (!tmp) {
printf("ethaddr env variable not defined\n");
return;
}
for (i = 0; i < 6; i++) {
mac_addr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
if (tmp)
tmp = (*end) ? end+1 : end;
}
/* find the correct fdt ethernet path and correct it */
node = fdt_path_offset(blob, "/soc/fman/ethernet@e8000");
if (node < 0) {
printf("no /soc/fman/ethernet path offset\n");
return;
}
ret = fdt_setprop(blob, node, "local-mac-address", &mac_addr, 6);
if (ret) {
printf("error setting local-mac-address property\n");
return;
}
}
#endif
int ft_board_setup(void *blob, bd_t *bd)
{
phys_addr_t base;
phys_size_t size;
ft_cpu_setup(blob, bd);
base = env_get_bootm_low();
size = env_get_bootm_size();
fdt_fixup_memory(blob, (u64)base, (u64)size);
#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
fsl_fdt_fixup_dr_usb(blob, bd);
#endif
#ifdef CONFIG_PCI
pci_of_setup(blob, bd);
#endif
fdt_fixup_liodn(blob);
#ifdef CONFIG_SYS_DPAA_FMAN
fdt_fixup_fman_ethernet(blob);
fdt_fixup_fman_mac_addresses(blob);
#endif
return 0;
}
#if defined(CONFIG_POST)
/* DIC26_SELFTEST GPIO used to start factory test sw */
#define SELFTEST_PORT GPIO_A
#define SELFTEST_PIN 31
int post_hotkeys_pressed(void)
{
qrio_gpio_direction_input(SELFTEST_PORT, SELFTEST_PIN);
return qrio_get_gpio(SELFTEST_PORT, SELFTEST_PIN);
}
#endif