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/freescale/t102xqds/t102xqds.c

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8.9 KiB

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2014 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <command.h>
#include <i2c.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_liodn.h>
#include <fm_eth.h>
#include <hwconfig.h>
#include "../common/qixis.h"
#include "t102xqds.h"
#include "t102xqds_qixis.h"
#include "../common/sleep.h"
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
char buf[64];
struct cpu_type *cpu = gd->arch.cpu;
static const char *const freq[] = {"100", "125", "156.25", "100.0"};
int clock;
u8 sw = QIXIS_READ(arch);
printf("Board: %sQDS, ", cpu->name);
printf("Sys ID: 0x%02x, Board Arch: V%d, ", QIXIS_READ(id), sw >> 4);
printf("Board Version: %c, boot from ", (sw & 0xf) + 'A' - 1);
#ifdef CONFIG_SDCARD
puts("SD/MMC\n");
#elif CONFIG_SPIFLASH
puts("SPI\n");
#else
sw = QIXIS_READ(brdcfg[0]);
sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
if (sw < 0x8)
printf("vBank: %d\n", sw);
else if (sw == 0x8)
puts("PromJet\n");
else if (sw == 0x9)
puts("NAND\n");
else if (sw == 0x15)
printf("IFC Card\n");
else
printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
#endif
printf("FPGA: v%d (%s), build %d",
(int)QIXIS_READ(scver), qixis_read_tag(buf),
(int)qixis_read_minor());
/* the timestamp string contains "\n" at the end */
printf(" on %s", qixis_read_time(buf));
puts("SERDES Reference: ");
sw = QIXIS_READ(brdcfg[2]);
clock = (sw >> 6) & 3;
printf("Clock1=%sMHz ", freq[clock]);
clock = (sw >> 4) & 3;
printf("Clock2=%sMHz\n", freq[clock]);
return 0;
}
int select_i2c_ch_pca9547(u8 ch)
{
int ret;
ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
if (ret) {
puts("PCA: failed to select proper channel\n");
return ret;
}
return 0;
}
static int board_mux_lane_to_slot(void)
{
ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
u32 srds_prtcl_s1;
u8 brdcfg9;
srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
brdcfg9 = QIXIS_READ(brdcfg[9]);
QIXIS_WRITE(brdcfg[9], brdcfg9 | BRDCFG9_XFI_TX_DISABLE);
switch (srds_prtcl_s1) {
case 0:
/* SerDes1 is not enabled */
break;
case 0xd5:
case 0x5b:
case 0x6b:
case 0x77:
case 0x6f:
case 0x7f:
QIXIS_WRITE(brdcfg[12], 0x8c);
break;
case 0x40:
QIXIS_WRITE(brdcfg[12], 0xfc);
break;
case 0xd6:
case 0x5a:
case 0x6a:
case 0x56:
QIXIS_WRITE(brdcfg[12], 0x88);
break;
case 0x47:
QIXIS_WRITE(brdcfg[12], 0xcc);
break;
case 0x46:
QIXIS_WRITE(brdcfg[12], 0xc8);
break;
case 0x95:
case 0x99:
brdcfg9 &= ~BRDCFG9_XFI_TX_DISABLE;
QIXIS_WRITE(brdcfg[9], brdcfg9);
QIXIS_WRITE(brdcfg[12], 0x8c);
break;
case 0x116:
QIXIS_WRITE(brdcfg[12], 0x00);
break;
case 0x115:
case 0x119:
case 0x129:
case 0x12b:
/* Aurora, PCIe, SGMII, SATA */
QIXIS_WRITE(brdcfg[12], 0x04);
break;
default:
printf("WARNING: unsupported for SerDes Protocol %d\n",
srds_prtcl_s1);
return -1;
}
return 0;
}
#ifdef CONFIG_ARCH_T1024
static void board_mux_setup(void)
{
u8 brdcfg15;
brdcfg15 = QIXIS_READ(brdcfg[15]);
brdcfg15 &= ~BRDCFG15_DIUSEL_MASK;
if (hwconfig_arg_cmp("pin_mux", "tdm")) {
/* Route QE_TDM multiplexed signals to TDM Riser slot */
QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_DIUSEL_TDM);
QIXIS_WRITE(brdcfg[13], BRDCFG13_TDM_INTERFACE << 2);
QIXIS_WRITE(brdcfg[5], (QIXIS_READ(brdcfg[5]) &
~BRDCFG5_SPIRTE_MASK) | BRDCFG5_SPIRTE_TDM);
} else if (hwconfig_arg_cmp("pin_mux", "ucc")) {
/* to UCC (ProfiBus) interface */
QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_DIUSEL_UCC);
} else if (hwconfig_arg_cmp("pin_mux", "hdmi")) {
/* to DVI (HDMI) encoder */
QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_DIUSEL_HDMI);
} else if (hwconfig_arg_cmp("pin_mux", "lcd")) {
/* to DFP (LCD) encoder */
QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_LCDFM |
BRDCFG15_LCDPD | BRDCFG15_DIUSEL_LCD);
}
if (hwconfig_arg_cmp("adaptor", "sdxc"))
/* Route SPI_CS multiplexed signals to SD slot */
QIXIS_WRITE(brdcfg[5], (QIXIS_READ(brdcfg[5]) &
~BRDCFG5_SPIRTE_MASK) | BRDCFG5_SPIRTE_SDHC);
}
#endif
void board_retimer_ds125df111_init(void)
{
u8 reg;
/* Retimer DS125DF111 is connected to I2C1_CH7_CH5 */
reg = I2C_MUX_CH7;
i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &reg, 1);
reg = I2C_MUX_CH5;
i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, &reg, 1);
/* Access to Control/Shared register */
reg = 0x0;
i2c_write(I2C_RETIMER_ADDR, 0xff, 1, &reg, 1);
/* Read device revision and ID */
i2c_read(I2C_RETIMER_ADDR, 1, 1, &reg, 1);
debug("Retimer version id = 0x%x\n", reg);
/* Enable Broadcast */
reg = 0x0c;
i2c_write(I2C_RETIMER_ADDR, 0xff, 1, &reg, 1);
/* Reset Channel Registers */
i2c_read(I2C_RETIMER_ADDR, 0, 1, &reg, 1);
reg |= 0x4;
i2c_write(I2C_RETIMER_ADDR, 0, 1, &reg, 1);
/* Enable override divider select and Enable Override Output Mux */
i2c_read(I2C_RETIMER_ADDR, 9, 1, &reg, 1);
reg |= 0x24;
i2c_write(I2C_RETIMER_ADDR, 9, 1, &reg, 1);
/* Select VCO Divider to full rate (000) */
i2c_read(I2C_RETIMER_ADDR, 0x18, 1, &reg, 1);
reg &= 0x8f;
i2c_write(I2C_RETIMER_ADDR, 0x18, 1, &reg, 1);
/* Select active PFD MUX input as re-timed data (001) */
i2c_read(I2C_RETIMER_ADDR, 0x1e, 1, &reg, 1);
reg &= 0x3f;
reg |= 0x20;
i2c_write(I2C_RETIMER_ADDR, 0x1e, 1, &reg, 1);
/* Set data rate as 10.3125 Gbps */
reg = 0x0;
i2c_write(I2C_RETIMER_ADDR, 0x60, 1, &reg, 1);
reg = 0xb2;
i2c_write(I2C_RETIMER_ADDR, 0x61, 1, &reg, 1);
reg = 0x90;
i2c_write(I2C_RETIMER_ADDR, 0x62, 1, &reg, 1);
reg = 0xb3;
i2c_write(I2C_RETIMER_ADDR, 0x63, 1, &reg, 1);
reg = 0xcd;
i2c_write(I2C_RETIMER_ADDR, 0x64, 1, &reg, 1);
}
int board_early_init_f(void)
{
#if defined(CONFIG_DEEP_SLEEP)
if (is_warm_boot())
fsl_dp_disable_console();
#endif
return 0;
}
int board_early_init_r(void)
{
#ifdef CONFIG_SYS_FLASH_BASE
const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
int flash_esel = find_tlb_idx((void *)flashbase, 1);
/*
* Remap Boot flash + PROMJET region to caching-inhibited
* so that flash can be erased properly.
*/
/* Flush d-cache and invalidate i-cache of any FLASH data */
flush_dcache();
invalidate_icache();
if (flash_esel == -1) {
/* very unlikely unless something is messed up */
puts("Error: Could not find TLB for FLASH BASE\n");
flash_esel = 2; /* give our best effort to continue */
} else {
/* invalidate existing TLB entry for flash + promjet */
disable_tlb(flash_esel);
}
set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, flash_esel, BOOKE_PAGESZ_256M, 1);
#endif
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
board_mux_lane_to_slot();
board_retimer_ds125df111_init();
/* Increase IO drive strength to address FCS error on RGMII */
out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_IODSECR1_ADDR, 0xbfdb7800);
return 0;
}
unsigned long get_board_sys_clk(void)
{
u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
switch (sysclk_conf & 0x0F) {
case QIXIS_SYSCLK_64:
return 64000000;
case QIXIS_SYSCLK_83:
return 83333333;
case QIXIS_SYSCLK_100:
return 100000000;
case QIXIS_SYSCLK_125:
return 125000000;
case QIXIS_SYSCLK_133:
return 133333333;
case QIXIS_SYSCLK_150:
return 150000000;
case QIXIS_SYSCLK_160:
return 160000000;
case QIXIS_SYSCLK_166:
return 166666666;
}
return 66666666;
}
unsigned long get_board_ddr_clk(void)
{
u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
switch ((ddrclk_conf & 0x30) >> 4) {
case QIXIS_DDRCLK_100:
return 100000000;
case QIXIS_DDRCLK_125:
return 125000000;
case QIXIS_DDRCLK_133:
return 133333333;
}
return 66666666;
}
#define NUM_SRDS_PLL 2
int misc_init_r(void)
{
#ifdef CONFIG_ARCH_T1024
board_mux_setup();
#endif
return 0;
}
void fdt_fixup_spi_mux(void *blob)
{
int nodeoff = 0;
if (hwconfig_arg_cmp("pin_mux", "tdm")) {
while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
"eon,en25s64")) >= 0) {
fdt_del_node(blob, nodeoff);
}
} else {
/* remove tdm node */
while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
"maxim,ds26522")) >= 0) {
fdt_del_node(blob, nodeoff);
}
}
}
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);
#ifdef CONFIG_PCI
pci_of_setup(blob, bd);
#endif
fdt_fixup_liodn(blob);
#ifdef CONFIG_HAS_FSL_DR_USB
fsl_fdt_fixup_dr_usb(blob, bd);
#endif
#ifdef CONFIG_SYS_DPAA_FMAN
fdt_fixup_fman_ethernet(blob);
fdt_fixup_board_enet(blob);
#endif
fdt_fixup_spi_mux(blob);
return 0;
}
void qixis_dump_switch(void)
{
int i, nr_of_cfgsw;
QIXIS_WRITE(cms[0], 0x00);
nr_of_cfgsw = QIXIS_READ(cms[1]);
puts("DIP switch settings dump:\n");
for (i = 1; i <= nr_of_cfgsw; i++) {
QIXIS_WRITE(cms[0], i);
printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));
}
}