--- /dev/null
+/*
+ * Copyright 2009-2012 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 "t4qds.h"
+#include "t4240qds_qixis.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int8_t vsc3316_fsm1_tx[8][2] = { {0, 0}, {1, 1}, {6, 6}, {7, 7},
+ {8, 8}, {9, 9}, {14, 14}, {15, 15} };
+
+static int8_t vsc3316_fsm2_tx[8][2] = { {2, 2}, {3, 3}, {4, 4}, {5, 5},
+ {10, 10}, {11, 11}, {12, 12}, {13, 13} };
+
+static int8_t vsc3316_fsm1_rx[8][2] = { {2, 12}, {3, 13}, {4, 5}, {5, 4},
+ {10, 11}, {11, 10}, {12, 2}, {13, 3} };
+
+static int8_t vsc3316_fsm2_rx[8][2] = { {0, 15}, {1, 14}, {6, 7}, {7, 6},
+ {8, 9}, {9, 8}, {14, 1}, {15, 0} };
+
+int checkboard(void)
+{
+ char buf[64];
+ u8 sw;
+ struct cpu_type *cpu = gd->arch.cpu;
+ unsigned int i;
+
+ 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)
+ puts("Promjet\n");
+ else if (sw == 0x9)
+ 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]);
+ for (i = 0; i < MAX_SERDES; i++) {
+ static const char * const freq[] = {
+ "100", "125", "156.25", "161.1328125"};
+ unsigned int clock = (sw >> (6 - 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;
+}
+
+/*
+ * read_voltage from sensor on I2C bus
+ * We use average of 4 readings, waiting for 532us befor another reading
+ */
+#define NUM_READINGS 4 /* prefer to be power of 2 for efficiency */
+#define WAIT_FOR_ADC 532 /* wait for 532 microseconds for ADC */
+
+static inline int read_voltage(void)
+{
+ int i, ret, voltage_read = 0;
+ u16 vol_mon;
+
+ for (i = 0; i < NUM_READINGS; i++) {
+ ret = i2c_read(I2C_VOL_MONITOR_ADDR,
+ I2C_VOL_MONITOR_BUS_V_OFFSET, 1, (void *)&vol_mon, 2);
+ if (ret) {
+ printf("VID: failed to read core voltage\n");
+ return ret;
+ }
+ if (vol_mon & I2C_VOL_MONITOR_BUS_V_OVF) {
+ printf("VID: Core voltage sensor error\n");
+ return -1;
+ }
+ debug("VID: bus voltage reads 0x%04x\n", vol_mon);
+ /* LSB = 4mv */
+ voltage_read += (vol_mon >> I2C_VOL_MONITOR_BUS_V_SHIFT) * 4;
+ udelay(WAIT_FOR_ADC);
+ }
+ /* calculate the average */
+ voltage_read /= NUM_READINGS;
+
+ return voltage_read;
+}
+
+/*
+ * We need to calculate how long before the voltage starts to drop or increase
+ * It returns with the loop count. Each loop takes several readings (532us)
+ */
+static inline int wait_for_voltage_change(int vdd_last)
+{
+ int timeout, vdd_current;
+
+ vdd_current = read_voltage();
+ /* wait until voltage starts to drop */
+ for (timeout = 0; abs(vdd_last - vdd_current) <= 4 &&
+ timeout < 100; timeout++) {
+ vdd_current = read_voltage();
+ }
+ if (timeout >= 100) {
+ printf("VID: Voltage adjustment timeout\n");
+ return -1;
+ }
+ return timeout;
+}
+
+/*
+ * argument 'wait' is the time we know the voltage difference can be measured
+ * this function keeps reading the voltage until it is stable
+ */
+static inline int wait_for_voltage_stable(int wait)
+{
+ int timeout, vdd_current, vdd_last;
+
+ vdd_last = read_voltage();
+ udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
+ /* wait until voltage is stable */
+ vdd_current = read_voltage();
+ for (timeout = 0; abs(vdd_last - vdd_current) >= 4 &&
+ timeout < 100; timeout++) {
+ vdd_last = vdd_current;
+ udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
+ vdd_current = read_voltage();
+ }
+ if (timeout >= 100) {
+ printf("VID: Voltage adjustment timeout\n");
+ return -1;
+ }
+
+ return vdd_current;
+}
+
+static inline int set_voltage(u8 vid)
+{
+ int wait, vdd_last;
+
+ vdd_last = read_voltage();
+ QIXIS_WRITE(brdcfg[6], vid);
+ wait = wait_for_voltage_change(vdd_last);
+ if (wait < 0)
+ return -1;
+ debug("VID: Waited %d us\n", wait * NUM_READINGS * WAIT_FOR_ADC);
+ wait = wait ? wait : 1;
+
+ vdd_last = wait_for_voltage_stable(wait);
+ if (vdd_last < 0)
+ return -1;
+ debug("VID: Current voltage is %d mV\n", vdd_last);
+
+ return vdd_last;
+}
+
+
+static int adjust_vdd(ulong vdd_override)
+{
+ int re_enable = disable_interrupts();
+ ccsr_gur_t __iomem *gur =
+ (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 fusesr;
+ u8 vid, vid_current;
+ int vdd_target, vdd_current, vdd_last;
+ int ret;
+ unsigned long vdd_string_override;
+ char *vdd_string;
+ static const uint16_t vdd[32] = {
+ 0, /* unused */
+ 9875, /* 0.9875V */
+ 9750,
+ 9625,
+ 9500,
+ 9375,
+ 9250,
+ 9125,
+ 9000,
+ 8875,
+ 8750,
+ 8625,
+ 8500,
+ 8375,
+ 8250,
+ 8125,
+ 10000, /* 1.0000V */
+ 10125,
+ 10250,
+ 10375,
+ 10500,
+ 10625,
+ 10750,
+ 10875,
+ 11000,
+ 0, /* reserved */
+ };
+ struct vdd_drive {
+ u8 vid;
+ unsigned voltage;
+ };
+
+ ret = select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR);
+ if (ret) {
+ debug("VID: I2c failed to switch channel\n");
+ ret = -1;
+ goto exit;
+ }
+
+ /* get the voltage ID from fuse status register */
+ fusesr = in_be32(&gur->dcfg_fusesr);
+ vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_VID_SHIFT) &
+ FSL_CORENET_DCFG_FUSESR_VID_MASK;
+ if (vid == FSL_CORENET_DCFG_FUSESR_VID_MASK) {
+ vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_ALTVID_SHIFT) &
+ FSL_CORENET_DCFG_FUSESR_ALTVID_MASK;
+ }
+ vdd_target = vdd[vid];
+
+ /* check override variable for overriding VDD */
+ vdd_string = getenv("t4240qds_vdd_mv");
+ if (vdd_override == 0 && vdd_string &&
+ !strict_strtoul(vdd_string, 10, &vdd_string_override))
+ vdd_override = vdd_string_override;
+ if (vdd_override >= 819 && vdd_override <= 1212) {
+ vdd_target = vdd_override * 10; /* convert to 1/10 mV */
+ debug("VDD override is %lu\n", vdd_override);
+ } else if (vdd_override != 0) {
+ printf("Invalid value.\n");
+ }
+
+ if (vdd_target == 0) {
+ debug("VID: VID not used\n");
+ ret = 0;
+ goto exit;
+ } else {
+ /* round up and divice by 10 to get a value in mV */
+ vdd_target = DIV_ROUND_UP(vdd_target, 10);
+ debug("VID: vid = %d mV\n", vdd_target);
+ }
+
+ /*
+ * Check current board VID setting
+ * Voltage regulator support output to 6.250mv step
+ * The highes voltage allowed for this board is (vid=0x40) 1.21250V
+ * the lowest is (vid=0x7f) 0.81875V
+ */
+ vid_current = QIXIS_READ(brdcfg[6]);
+ vdd_current = 121250 - (vid_current - 0x40) * 625;
+ debug("VID: Current vid setting is (0x%x) %d mV\n",
+ vid_current, vdd_current/100);
+
+ /*
+ * Read voltage monitor to check real voltage.
+ * Voltage monitor LSB is 4mv.
+ */
+ vdd_last = read_voltage();
+ if (vdd_last < 0) {
+ printf("VID: Could not read voltage sensor abort VID adjustment\n");
+ ret = -1;
+ goto exit;
+ }
+ debug("VID: Core voltage is at %d mV\n", vdd_last);
+ /*
+ * Adjust voltage to at or 8mV above target.
+ * Each step of adjustment is 6.25mV.
+ * Stepping down too fast may cause over current.
+ */
+ while (vdd_last > 0 && vid_current < 0x80 &&
+ vdd_last > (vdd_target + 8)) {
+ vid_current++;
+ vdd_last = set_voltage(vid_current);
+ }
+ /*
+ * Check if we need to step up
+ * This happens when board voltage switch was set too low
+ */
+ while (vdd_last > 0 && vid_current >= 0x40 &&
+ vdd_last < vdd_target + 2) {
+ vid_current--;
+ vdd_last = set_voltage(vid_current);
+ }
+ if (vdd_last > 0)
+ printf("VID: Core voltage %d mV\n", vdd_last);
+ else
+ ret = -1;
+
+exit:
+ if (re_enable)
+ enable_interrupts();
+ return ret;
+}
+
+/* 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;
+ switch (srds_prtcl_s1) {
+ case 38:
+ /* swap first lane and third lane on slot1 */
+ vsc3316_fsm1_tx[0][1] = 14;
+ vsc3316_fsm1_tx[6][1] = 0;
+ vsc3316_fsm1_rx[1][1] = 2;
+ vsc3316_fsm1_rx[6][1] = 13;
+ case 40:
+ case 46:
+ case 48:
+ /* swap first lane and third lane on slot2 */
+ vsc3316_fsm1_tx[2][1] = 8;
+ vsc3316_fsm1_tx[4][1] = 6;
+ vsc3316_fsm1_rx[2][1] = 10;
+ vsc3316_fsm1_rx[5][1] = 5;
+ default:
+ 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;
+ break;
+ }
+
+ srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
+ FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
+ srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
+ switch (srds_prtcl_s2) {
+ case 38:
+ /* swap first lane and third lane on slot3 */
+ vsc3316_fsm2_tx[2][1] = 11;
+ vsc3316_fsm2_tx[5][1] = 4;
+ vsc3316_fsm2_rx[2][1] = 9;
+ vsc3316_fsm2_rx[4][1] = 7;
+ case 40:
+ case 46:
+ case 48:
+ case 50:
+ case 52:
+ case 54:
+ /* swap first lane and third lane on slot4 */
+ vsc3316_fsm2_tx[6][1] = 3;
+ vsc3316_fsm2_tx[1][1] = 12;
+ vsc3316_fsm2_rx[0][1] = 1;
+ vsc3316_fsm2_rx[6][1] = 15;
+ default:
+ 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;
+ break;
+ }
+
+ 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 connection to qixis fpga */
+ QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
+
+ /*
+ * Adjust core voltage according to voltage ID
+ * This function changes I2C mux to channel 2.
+ */
+ if (adjust_vdd(0))
+ printf("Warning: Adjusting core voltage failed.\n");
+
+ /* 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]);
+#ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
+ /* use accurate clock measurement */
+ int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]);
+ int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
+ u32 val;
+
+ val = freq * base;
+ if (val) {
+ debug("SYS Clock measurement is: %d\n", val);
+ return val;
+ } else {
+ printf("Warning: SYS clock measurement is invalid, using value from brdcfg1.\n");
+ }
+#endif
+
+ 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]);
+#ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
+ /* use accurate clock measurement */
+ int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]);
+ int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
+ u32 val;
+
+ val = freq * base;
+ if (val) {
+ debug("DDR Clock measurement is: %d\n", val);
+ return val;
+ } else {
+ printf("Warning: DDR clock measurement is invalid, using value from brdcfg1.\n");
+ }
+#endif
+
+ 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;
+}
+
+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 >> (6 - 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
+}
+
+/*
+ * This function is called by bdinfo to print detail board information.
+ * As an exmaple for future board, we organize the messages into
+ * several sections. If applicable, the message is in the format of
+ * <name> = <value>
+ * It should aligned with normal output of bdinfo command.
+ *
+ * Voltage: Core, DDR and another configurable voltages
+ * Clock : Critical clocks which are not printed already
+ * RCW : RCW source if not printed already
+ * Misc : Other important information not in above catagories
+ */
+void board_detail(void)
+{
+ int i;
+ u8 brdcfg[16], dutcfg[16], rst_ctl;
+ int vdd, rcwsrc;
+ static const char * const clk[] = {"66.67", "100", "125", "133.33"};
+
+ 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);
+ }
+
+ /* Voltage secion */
+ if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR)) {
+ vdd = read_voltage();
+ if (vdd > 0)
+ printf("Core voltage= %d mV\n", vdd);
+ select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+ }
+
+ printf("XVDD = 1.%d V\n", ((brdcfg[8] & 0xf) - 4) * 5 + 25);
+
+ /* clock section */
+ printf("SYSCLK = %s MHz\nDDRCLK = %s MHz\n",
+ clk[(brdcfg[11] >> 2) & 0x3], clk[brdcfg[11] & 3]);
+
+ /* RCW section */
+ rcwsrc = (dutcfg[0] << 1) + (dutcfg[1] & 1);
+ puts("RCW source = ");
+ switch (rcwsrc) {
+ case 0x017:
+ case 0x01f:
+ puts("8-bit NOR\n");
+ break;
+ case 0x027:
+ case 0x02F:
+ puts("16-bit NOR\n");
+ break;
+ case 0x040:
+ puts("SDHC/eMMC\n");
+ break;
+ case 0x044:
+ puts("SPI 16-bit addressing\n");
+ break;
+ case 0x045:
+ puts("SPI 24-bit addressing\n");
+ break;
+ case 0x048:
+ puts("I2C normal addressing\n");
+ break;
+ case 0x049:
+ puts("I2C extended addressing\n");
+ break;
+ case 0x108:
+ case 0x109:
+ case 0x10a:
+ case 0x10b:
+ puts("8-bit NAND, 2KB\n");
+ break;
+ default:
+ if ((rcwsrc >= 0x080) && (rcwsrc <= 0x09f))
+ puts("Hard-coded RCW\n");
+ else if ((rcwsrc >= 0x110) && (rcwsrc <= 0x11f))
+ puts("8-bit NAND, 4KB\n");
+ else
+ puts("unknown\n");
+ break;
+ }
+
+ /* Misc section */
+ rst_ctl = QIXIS_READ(rst_ctl);
+ puts("HRESET_REQ = ");
+ switch (rst_ctl & 0x30) {
+ case 0x00:
+ puts("Ignored\n");
+ break;
+ case 0x10:
+ puts("Assert HRESET\n");
+ break;
+ case 0x30:
+ puts("Reset system\n");
+ break;
+ default:
+ puts("N/A\n");
+ break;
+ }
+}
+
+/*
+ * Reverse engineering switch settings.
+ * Some bits cannot be figured out. 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[9];
+
+ /*
+ * Any bit with 1 means that bit cannot be reverse engineered.
+ * It will be displayed as _ in binary format.
+ */
+ static const u8 mask[] = {0, 0, 0, 0, 0, 0x1, 0xcf, 0x3f, 0x1f};
+ 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] = dutcfg[0];
+ sw[1] = (dutcfg[1] << 0x07) |
+ ((dutcfg[12] & 0xC0) >> 1) |
+ ((dutcfg[11] & 0xE0) >> 3) |
+ ((dutcfg[6] & 0x80) >> 6) |
+ ((dutcfg[1] & 0x80) >> 7);
+ sw[2] = ((brdcfg[1] & 0x0f) << 4) |
+ ((brdcfg[1] & 0x30) >> 2) |
+ ((brdcfg[1] & 0x40) >> 5) |
+ ((brdcfg[1] & 0x80) >> 7);
+ sw[3] = brdcfg[2];
+ sw[4] = ((dutcfg[2] & 0x01) << 7) |
+ ((dutcfg[2] & 0x06) << 4) |
+ ((~QIXIS_READ(present)) & 0x10) |
+ ((brdcfg[3] & 0x80) >> 4) |
+ ((brdcfg[3] & 0x01) << 2) |
+ ((brdcfg[6] == 0x62) ? 3 :
+ ((brdcfg[6] == 0x5a) ? 2 :
+ ((brdcfg[6] == 0x5e) ? 1 : 0)));
+ sw[5] = ((brdcfg[0] & 0x0f) << 4) |
+ ((QIXIS_READ(rst_ctl) & 0x30) >> 2) |
+ ((brdcfg[0] & 0x40) >> 5);
+ sw[6] = (brdcfg[11] & 0x20) |
+ ((brdcfg[5] & 0x02) << 3);
+ sw[7] = (((~QIXIS_READ(rst_ctl)) & 0x40) << 1) |
+ ((brdcfg[5] & 0x10) << 2);
+ sw[8] = ((brdcfg[12] & 0x08) << 4) |
+ ((brdcfg[12] & 0x03) << 5);
+
+ puts("DIP switch (reverse-engineering)\n");
+ for (i = 0; i < 9; i++) {
+ printf("SW%d = 0b%s (0x%02x)\n",
+ i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]);
+ }
+}
+
+static int do_vdd_adjust(cmd_tbl_t *cmdtp,
+ int flag, int argc,
+ char * const argv[])
+{
+ ulong override;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+ if (!strict_strtoul(argv[1], 10, &override))
+ adjust_vdd(override); /* the value is checked by callee */
+ else
+ return CMD_RET_USAGE;
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ vdd_override, 2, 0, do_vdd_adjust,
+ "Override VDD",
+ "- override with the voltage specified in mV, eg. 1050"
+);
Code Review / kvmfornfv.git / blobdiff