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/t4qds/t4qds.c

395 lines
9.1 KiB

/*
* Copyright 2009-2012 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#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_portals.h>
#include <asm/fsl_liodn.h>
#include <fm_eth.h>
#include "../common/qixis.h"
#include "../common/vsc3316_3308.h"
#include "t4qds.h"
#include "t4240qds_qixis.h"
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
u8 sw;
struct cpu_type *cpu = gd->cpu;
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
unsigned int i;
printf("Board: %sQDS, ", cpu->name);
printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
QIXIS_READ(id), QIXIS_READ(arch), QIXIS_READ(scver));
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
printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
/* Display the RCW, so that no one gets confused as to what RCW
* we're actually using for this boot.
*/
puts("Reset Configuration Word (RCW):");
for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
u32 rcw = in_be32(&gur->rcwsr[i]);
if ((i % 4) == 0)
printf("\n %08x:", i * 4);
printf(" %08x", rcw);
}
puts("\n");
/*
* Display the actual SERDES reference clocks as configured by the
* dip switches on the board. Note that the SWx registers could
* technically be set to force the reference clocks to match the
* values that the SERDES expects (or vice versa). For now, however,
* we just display both values and hope the user notices when they
* don't match.
*/
puts("SERDES Reference Clocks: ");
sw = QIXIS_READ(brdcfg[2]);
for (i = 0; i < MAX_SERDES; i++) {
static const char *freq[] = {
"100", "125", "156.25", "161.1328125"};
unsigned int clock = (sw >> (2 * i)) & 3;
printf("SERDES%u=%sMHz ", i+1, freq[clock]);
}
puts("\n");
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;
}
/* Configure Crossbar switches for Front-Side SerDes Ports */
int config_frontside_crossbar_vsc3316(void)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
u32 srds_prtcl_s1, srds_prtcl_s2;
int ret;
ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS);
if (ret)
return ret;
srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
if (srds_prtcl_s1) {
ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm1_tx, 8);
if (ret)
return ret;
ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm1_rx, 8);
if (ret)
return ret;
}
srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
if (srds_prtcl_s2) {
ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm2_tx, 8);
if (ret)
return ret;
ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm2_rx, 8);
if (ret)
return ret;
}
return 0;
}
int config_backside_crossbar_mux(void)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
u32 srds_prtcl_s3, srds_prtcl_s4;
u8 brdcfg;
srds_prtcl_s3 = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS3_PRTCL;
srds_prtcl_s3 >>= FSL_CORENET2_RCWSR4_SRDS3_PRTCL_SHIFT;
switch (srds_prtcl_s3) {
case 0:
/* SerDes3 is not enabled */
break;
case 2:
case 9:
case 10:
/* SD3(0:7) => SLOT5(0:7) */
brdcfg = QIXIS_READ(brdcfg[12]);
brdcfg &= ~BRDCFG12_SD3MX_MASK;
brdcfg |= BRDCFG12_SD3MX_SLOT5;
QIXIS_WRITE(brdcfg[12], brdcfg);
break;
case 4:
case 6:
case 8:
case 12:
case 14:
case 16:
case 17:
case 19:
case 20:
/* SD3(4:7) => SLOT6(0:3) */
brdcfg = QIXIS_READ(brdcfg[12]);
brdcfg &= ~BRDCFG12_SD3MX_MASK;
brdcfg |= BRDCFG12_SD3MX_SLOT6;
QIXIS_WRITE(brdcfg[12], brdcfg);
break;
default:
printf("WARNING: unsupported for SerDes3 Protocol %d\n",
srds_prtcl_s3);
return -1;
}
srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS4_PRTCL;
srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT;
switch (srds_prtcl_s4) {
case 0:
/* SerDes4 is not enabled */
break;
case 2:
/* 10b, SD4(0:7) => SLOT7(0:7) */
brdcfg = QIXIS_READ(brdcfg[12]);
brdcfg &= ~BRDCFG12_SD4MX_MASK;
brdcfg |= BRDCFG12_SD4MX_SLOT7;
QIXIS_WRITE(brdcfg[12], brdcfg);
break;
case 4:
case 6:
case 8:
/* x1b, SD4(4:7) => SLOT8(0:3) */
brdcfg = QIXIS_READ(brdcfg[12]);
brdcfg &= ~BRDCFG12_SD4MX_MASK;
brdcfg |= BRDCFG12_SD4MX_SLOT8;
QIXIS_WRITE(brdcfg[12], brdcfg);
break;
case 10:
case 12:
case 14:
case 16:
case 18:
/* 00b, SD4(4:5) => AURORA, SD4(6:7) => SATA */
brdcfg = QIXIS_READ(brdcfg[12]);
brdcfg &= ~BRDCFG12_SD4MX_MASK;
brdcfg |= BRDCFG12_SD4MX_AURO_SATA;
QIXIS_WRITE(brdcfg[12], brdcfg);
break;
default:
printf("WARNING: unsupported for SerDes4 Protocol %d\n",
srds_prtcl_s4);
return -1;
}
return 0;
}
int board_early_init_r(void)
{
const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
const u8 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();
/* 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);
set_liodns();
#ifdef CONFIG_SYS_DPAA_QBMAN
setup_portals();
#endif
/* Disable remote I2C connectoin */
QIXIS_WRITE(brdcfg[5], BRDCFG5_RESET);
/* Configure board SERDES ports crossbar */
config_frontside_crossbar_vsc3316();
config_backside_crossbar_mux();
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
return 0;
}
unsigned long get_board_sys_clk(void)
{
u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
switch (sysclk_conf & 0x0F) {
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;
}
static const char *serdes_clock_to_string(u32 clock)
{
switch (clock) {
case SRDS_PLLCR0_RFCK_SEL_100:
return "100";
case SRDS_PLLCR0_RFCK_SEL_125:
return "125";
case SRDS_PLLCR0_RFCK_SEL_156_25:
return "156.25";
case SRDS_PLLCR0_RFCK_SEL_161_13:
return "161.1328125";
default:
return "???";
}
}
int misc_init_r(void)
{
u8 sw;
serdes_corenet_t *srds_regs =
(void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
u32 actual[MAX_SERDES];
unsigned int i;
sw = QIXIS_READ(brdcfg[2]);
for (i = 0; i < MAX_SERDES; i++) {
unsigned int clock = (sw >> (2 * i)) & 3;
switch (clock) {
case 0:
actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
break;
case 1:
actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
break;
case 2:
actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
break;
case 3:
actual[i] = SRDS_PLLCR0_RFCK_SEL_161_13;
break;
}
}
for (i = 0; i < MAX_SERDES; i++) {
u32 pllcr0 = srds_regs->bank[i].pllcr0;
u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
if (expected != actual[i]) {
printf("Warning: SERDES%u expects reference clock"
" %sMHz, but actual is %sMHz\n", i + 1,
serdes_clock_to_string(expected),
serdes_clock_to_string(actual[i]));
}
}
return 0;
}
void ft_board_setup(void *blob, bd_t *bd)
{
phys_addr_t base;
phys_size_t size;
ft_cpu_setup(blob, bd);
base = getenv_bootm_low();
size = getenv_bootm_size();
fdt_fixup_memory(blob, (u64)base, (u64)size);
#ifdef CONFIG_PCI
pci_of_setup(blob, bd);
#endif
fdt_fixup_liodn(blob);
fdt_fixup_dr_usb(blob, bd);
#ifdef CONFIG_SYS_DPAA_FMAN
fdt_fixup_fman_ethernet(blob);
fdt_fixup_board_enet(blob);
#endif
}