blob: f74651c5209c1ea84793397d72973cbd6c7689aa [file] [log] [blame]
/*
* Copyright 2011-2012 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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 "../common/idt8t49n222a_serdes_clk.h"
#include "b4860qds.h"
#include "b4860qds_qixis.h"
#include "b4860qds_crossbar_con.h"
#define CLK_MUX_SEL_MASK 0x4
#define ETH_PHY_CLK_OUT 0x4
#define PLL_NUM 2
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
char buf[64];
u8 sw;
struct cpu_type *cpu = gd->arch.cpu;
static const char *const freq[] = {"100", "125", "156.25", "161.13",
"122.88", "122.88", "122.88"};
int clock;
printf("Board: %sQDS, ", cpu->name);
printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
QIXIS_READ(id), QIXIS_READ(arch));
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 && sw <= 0xE)
puts("NAND\n");
else
printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
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));
/*
* 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]);
clock = (sw >> 5) & 7;
printf("Bank1=%sMHz ", freq[clock]);
sw = QIXIS_READ(brdcfg[4]);
clock = (sw >> 6) & 3;
printf("Bank2=%sMHz\n", freq[clock]);
return 0;
}
int select_i2c_ch_pca(u8 ch)
{
int ret;
/* Selecting proper channel via PCA*/
ret = i2c_write(I2C_MUX_PCA_ADDR, 0x0, 1, &ch, 1);
if (ret) {
printf("PCA: failed to select proper channel.\n");
return ret;
}
return 0;
}
int configure_vsc3316_3308(void)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
unsigned int num_vsc16_con, num_vsc08_con;
u32 serdes1_prtcl, serdes2_prtcl;
int ret;
serdes1_prtcl = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
if (!serdes1_prtcl) {
printf("SERDES1 is not enabled\n");
return 0;
}
serdes1_prtcl >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
debug("Using SERDES1 Protocol: 0x%x:\n", serdes1_prtcl);
serdes2_prtcl = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
if (!serdes2_prtcl) {
printf("SERDES2 is not enabled\n");
return 0;
}
serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
debug("Using SERDES2 Protocol: 0x%x:\n", serdes2_prtcl);
switch (serdes1_prtcl) {
case 0x2a:
case 0x2C:
case 0x2D:
case 0x2E:
/*
* Configuration:
* SERDES: 1
* Lanes: A,B: SGMII
* Lanes: C,D,E,F,G,H: CPRI
*/
debug("Configuring crossbar to use onboard SGMII PHYs:"
"srds_prctl:%x\n", serdes1_prtcl);
num_vsc16_con = NUM_CON_VSC3316;
/* Configure VSC3316 crossbar switch */
ret = select_i2c_ch_pca(I2C_CH_VSC3316);
if (!ret) {
ret = vsc3316_config(VSC3316_TX_ADDRESS,
vsc16_tx_4sfp_sgmii_12_56,
num_vsc16_con);
if (ret)
return ret;
ret = vsc3316_config(VSC3316_RX_ADDRESS,
vsc16_rx_4sfp_sgmii_12_56,
num_vsc16_con);
if (ret)
return ret;
} else {
return ret;
}
break;
#ifdef CONFIG_PPC_B4420
case 0x18:
/*
* Configuration:
* SERDES: 1
* Lanes: A,B,C,D: SGMII
* Lanes: E,F,G,H: CPRI
*/
debug("Configuring crossbar to use onboard SGMII PHYs:"
"srds_prctl:%x\n", serdes1_prtcl);
num_vsc16_con = NUM_CON_VSC3316;
/* Configure VSC3316 crossbar switch */
ret = select_i2c_ch_pca(I2C_CH_VSC3316);
if (!ret) {
ret = vsc3316_config(VSC3316_TX_ADDRESS,
vsc16_tx_sgmii_lane_cd, num_vsc16_con);
if (ret)
return ret;
ret = vsc3316_config(VSC3316_RX_ADDRESS,
vsc16_rx_sgmii_lane_cd, num_vsc16_con);
if (ret)
return ret;
} else {
return ret;
}
break;
#endif
case 0x3E:
case 0x0D:
case 0x0E:
case 0x12:
num_vsc16_con = NUM_CON_VSC3316;
/* Configure VSC3316 crossbar switch */
ret = select_i2c_ch_pca(I2C_CH_VSC3316);
if (!ret) {
ret = vsc3316_config(VSC3316_TX_ADDRESS,
vsc16_tx_sfp, num_vsc16_con);
if (ret)
return ret;
ret = vsc3316_config(VSC3316_RX_ADDRESS,
vsc16_rx_sfp, num_vsc16_con);
if (ret)
return ret;
} else {
return ret;
}
break;
default:
printf("WARNING:VSC crossbars programming not supported for:%x"
" SerDes1 Protocol.\n", serdes1_prtcl);
return -1;
}
switch (serdes2_prtcl) {
case 0x9E:
case 0x9A:
case 0x98:
case 0xb2:
case 0x49:
case 0x4E:
case 0x8D:
case 0x7A:
num_vsc08_con = NUM_CON_VSC3308;
/* Configure VSC3308 crossbar switch */
ret = select_i2c_ch_pca(I2C_CH_VSC3308);
if (!ret) {
ret = vsc3308_config(VSC3308_TX_ADDRESS,
vsc08_tx_amc, num_vsc08_con);
if (ret)
return ret;
ret = vsc3308_config(VSC3308_RX_ADDRESS,
vsc08_rx_amc, num_vsc08_con);
if (ret)
return ret;
} else {
return ret;
}
break;
default:
printf("WARNING:VSC crossbars programming not supported for: %x"
" SerDes2 Protocol.\n", serdes2_prtcl);
return -1;
}
return 0;
}
int config_serdes1_refclks(void)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
serdes_corenet_t *srds_regs =
(void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
u32 serdes1_prtcl, lane;
unsigned int flag_sgmii_prtcl = 0;
int ret, i;
serdes1_prtcl = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
if (!serdes1_prtcl) {
printf("SERDES1 is not enabled\n");
return -1;
}
serdes1_prtcl >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
debug("Using SERDES1 Protocol: 0x%x:\n", serdes1_prtcl);
/* Clear SRDS_RSTCTL_RST bit for both PLLs before changing refclks
*/
for (i = 0; i < PLL_NUM; i++)
clrbits_be32(&srds_regs->bank[i].rstctl, SRDS_RSTCTL_RST);
/* Reconfigure IDT idt8t49n222a device for CPRI to work
* For this SerDes1's Refclk1 and refclk2 need to be set
* to 122.88MHz
*/
switch (serdes1_prtcl) {
case 0x2A:
case 0x2C:
case 0x2D:
case 0x2E:
debug("Configuring idt8t49n222a for CPRI SerDes clks:"
" for srds_prctl:%x\n", serdes1_prtcl);
ret = select_i2c_ch_pca(I2C_CH_IDT);
if (!ret) {
ret = set_serdes_refclk(IDT_SERDES1_ADDRESS, 1,
SERDES_REFCLK_122_88,
SERDES_REFCLK_122_88, 0);
if (ret) {
printf("IDT8T49N222A configuration failed.\n");
return ret;
} else
printf("IDT8T49N222A configured.\n");
} else {
return ret;
}
select_i2c_ch_pca(I2C_CH_DEFAULT);
/* Change SerDes1's Refclk1 to 125MHz for on board
* SGMIIs to work
*/
for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
enum srds_prtcl lane_prtcl = serdes_get_prtcl
(0, serdes1_prtcl, lane);
switch (lane_prtcl) {
case SGMII_FM1_DTSEC1:
case SGMII_FM1_DTSEC2:
case SGMII_FM1_DTSEC3:
case SGMII_FM1_DTSEC4:
case SGMII_FM1_DTSEC5:
case SGMII_FM1_DTSEC6:
flag_sgmii_prtcl++;
break;
default:
break;
}
}
if (flag_sgmii_prtcl)
QIXIS_WRITE(brdcfg[4], QIXIS_SRDS1CLK_125);
/* Steps For SerDes PLLs reset and reconfiguration after
* changing SerDes's refclks
*/
for (i = 0; i < PLL_NUM; i++) {
debug("For PLL%d reset and reconfiguration after"
" changing refclks\n", i+1);
clrbits_be32(&srds_regs->bank[i].rstctl,
SRDS_RSTCTL_SDRST_B);
udelay(10);
clrbits_be32(&srds_regs->bank[i].rstctl,
(SRDS_RSTCTL_SDEN | SRDS_RSTCTL_PLLRST_B));
udelay(10);
setbits_be32(&srds_regs->bank[i].rstctl,
SRDS_RSTCTL_RST);
setbits_be32(&srds_regs->bank[i].rstctl,
(SRDS_RSTCTL_SDEN | SRDS_RSTCTL_PLLRST_B
| SRDS_RSTCTL_SDRST_B));
}
break;
default:
printf("WARNING:IDT8T49N222A configuration not"
" supported for:%x SerDes1 Protocol.\n",
serdes1_prtcl);
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
/* SerDes1 refclks need to be set again, as default clks
* are not suitable for CPRI and onboard SGMIIs to work
* simultaneously.
* This function will set SerDes1's Refclk1 and refclk2
* as per SerDes1 protocols
*/
if (config_serdes1_refclks())
printf("SerDes1 Refclks couldn't set properly.\n");
else
printf("SerDes1 Refclks have been set.\n");
/* Configure VSC3316 and VSC3308 crossbar switches */
if (configure_vsc3316_3308())
printf("VSC:failed to configure VSC3316/3308.\n");
else
printf("VSC:VSC3316/3308 successfully configured.\n");
select_i2c_ch_pca(I2C_CH_DEFAULT);
return 0;
}
unsigned long get_board_sys_clk(void)
{
u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
switch ((sysclk_conf & 0x0C) >> 2) {
case QIXIS_CLK_100:
return 100000000;
case QIXIS_CLK_125:
return 125000000;
case QIXIS_CLK_133:
return 133333333;
}
return 66666666;
}
unsigned long get_board_ddr_clk(void)
{
u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
switch (ddrclk_conf & 0x03) {
case QIXIS_CLK_100:
return 100000000;
case QIXIS_CLK_125:
return 125000000;
case QIXIS_CLK_133:
return 133333333;
}
return 66666666;
}
static int serdes_refclock(u8 sw, u8 sdclk)
{
unsigned int clock;
int ret = -1;
u8 brdcfg4;
if (sdclk == 1) {
brdcfg4 = QIXIS_READ(brdcfg[4]);
if ((brdcfg4 & CLK_MUX_SEL_MASK) == ETH_PHY_CLK_OUT)
return SRDS_PLLCR0_RFCK_SEL_125;
else
clock = (sw >> 5) & 7;
} else
clock = (sw >> 6) & 3;
switch (clock) {
case 0:
ret = SRDS_PLLCR0_RFCK_SEL_100;
break;
case 1:
ret = SRDS_PLLCR0_RFCK_SEL_125;
break;
case 2:
ret = SRDS_PLLCR0_RFCK_SEL_156_25;
break;
case 3:
ret = SRDS_PLLCR0_RFCK_SEL_161_13;
break;
case 4:
case 5:
case 6:
ret = SRDS_PLLCR0_RFCK_SEL_122_88;
break;
default:
ret = -1;
break;
}
return ret;
}
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 "161.13";
default:
return "122.88";
}
}
#define NUM_SRDS_BANKS 2
int misc_init_r(void)
{
u8 sw;
serdes_corenet_t *srds_regs =
(void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
u32 actual[NUM_SRDS_BANKS];
unsigned int i;
int clock;
sw = QIXIS_READ(brdcfg[2]);
clock = serdes_refclock(sw, 1);
if (clock >= 0)
actual[0] = clock;
else
printf("Warning: SDREFCLK1 switch setting is unsupported\n");
sw = QIXIS_READ(brdcfg[4]);
clock = serdes_refclock(sw, 2);
if (clock >= 0)
actual[1] = clock;
else
printf("Warning: SDREFCLK2 switch setting unsupported\n");
for (i = 0; i < NUM_SRDS_BANKS; i++) {
u32 pllcr0 = srds_regs->bank[i].pllcr0;
u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
if (expected != actual[i]) {
printf("Warning: SERDES bank %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);
#ifdef CONFIG_HAS_FSL_DR_USB
fdt_fixup_dr_usb(blob, bd);
#endif
#ifdef CONFIG_SYS_DPAA_FMAN
fdt_fixup_fman_ethernet(blob);
fdt_fixup_board_enet(blob);
#endif
}
/*
* Dump board switch settings.
* The bits that cannot be read/sampled via some FPGA or some
* registers, they will be displayed as
* underscore in binary format. mask[] has those bits.
* Some bits are calculated differently than the actual switches
* if booting with overriding by FPGA.
*/
void qixis_dump_switch(void)
{
int i;
u8 sw[5];
/*
* Any bit with 1 means that bit cannot be reverse engineered.
* It will be displayed as _ in binary format.
*/
static const u8 mask[] = {0x07, 0, 0, 0xff, 0};
char buf[10];
u8 brdcfg[16], dutcfg[16];
for (i = 0; i < 16; i++) {
brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
}
sw[0] = ((brdcfg[0] & 0x0f) << 4) | \
(brdcfg[9] & 0x08);
sw[1] = ((dutcfg[1] & 0x01) << 7) | \
((dutcfg[2] & 0x07) << 4) | \
((dutcfg[6] & 0x10) >> 1) | \
((dutcfg[6] & 0x80) >> 5) | \
((dutcfg[1] & 0x40) >> 5) | \
(dutcfg[6] & 0x01);
sw[2] = dutcfg[0];
sw[3] = 0;
sw[4] = ((brdcfg[1] & 0x30) << 2) | \
((brdcfg[1] & 0xc0) >> 2) | \
(brdcfg[1] & 0x0f);
puts("DIP switch settings:\n");
for (i = 0; i < 5; i++) {
printf("SW%d = 0b%s (0x%02x)\n",
i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]);
}
}