mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-27 06:04:40 +08:00
ram: stm32mp1: migrate trace to dev or log macro
Define LOG_CATEGORY, use dev_ macro when it is possible and migrate other trace to log_ macro. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay
Patrick Delaunay
parent
997f7dab9d
commit
66b3b9db69
@ -3,6 +3,8 @@
|
||||
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
|
||||
*/
|
||||
|
||||
#define LOG_CATEGORY UCLASS_RAM
|
||||
|
||||
#include <common.h>
|
||||
#include <clk.h>
|
||||
#include <log.h>
|
||||
@ -311,17 +313,17 @@ static void set_reg(const struct ddr_info *priv,
|
||||
u32 base_addr = get_base_addr(priv, base);
|
||||
const struct reg_desc *desc = ddr_registers[type].desc;
|
||||
|
||||
debug("init %s\n", ddr_registers[type].name);
|
||||
log_debug("init %s\n", ddr_registers[type].name);
|
||||
for (i = 0; i < ddr_registers[type].size; i++) {
|
||||
ptr = (unsigned int *)(base_addr + desc[i].offset);
|
||||
if (desc[i].par_offset == INVALID_OFFSET) {
|
||||
pr_err("invalid parameter offset for %s", desc[i].name);
|
||||
log_err("invalid parameter offset for %s", desc[i].name);
|
||||
} else {
|
||||
value = *((u32 *)((u32)param +
|
||||
desc[i].par_offset));
|
||||
writel(value, ptr);
|
||||
debug("[0x%x] %s= 0x%08x\n",
|
||||
(u32)ptr, desc[i].name, value);
|
||||
log_debug("[0x%x] %s= 0x%08x\n",
|
||||
(u32)ptr, desc[i].name, value);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -564,16 +566,16 @@ static void ddrphy_idone_wait(struct stm32mp1_ddrphy *phy)
|
||||
DDRPHYC_PGSR_RVERR |
|
||||
DDRPHYC_PGSR_RVEIRR),
|
||||
1000000);
|
||||
debug("\n[0x%08x] pgsr = 0x%08x ret=%d\n",
|
||||
(u32)&phy->pgsr, pgsr, ret);
|
||||
log_debug("\n[0x%08x] pgsr = 0x%08x ret=%d\n",
|
||||
(u32)&phy->pgsr, pgsr, ret);
|
||||
}
|
||||
|
||||
void stm32mp1_ddrphy_init(struct stm32mp1_ddrphy *phy, u32 pir)
|
||||
{
|
||||
pir |= DDRPHYC_PIR_INIT;
|
||||
writel(pir, &phy->pir);
|
||||
debug("[0x%08x] pir = 0x%08x -> 0x%08x\n",
|
||||
(u32)&phy->pir, pir, readl(&phy->pir));
|
||||
log_debug("[0x%08x] pir = 0x%08x -> 0x%08x\n",
|
||||
(u32)&phy->pir, pir, readl(&phy->pir));
|
||||
|
||||
/* need to wait 10 configuration clock before start polling */
|
||||
udelay(10);
|
||||
@ -603,7 +605,7 @@ static void wait_sw_done_ack(struct stm32mp1_ddrctl *ctl)
|
||||
panic("Timeout initialising DRAM : DDR->swstat = %x\n",
|
||||
swstat);
|
||||
|
||||
debug("[0x%08x] swstat = 0x%08x\n", (u32)&ctl->swstat, swstat);
|
||||
log_debug("[0x%08x] swstat = 0x%08x\n", (u32)&ctl->swstat, swstat);
|
||||
}
|
||||
|
||||
/* wait quasi dynamic register update */
|
||||
@ -634,7 +636,7 @@ static void wait_operating_mode(struct ddr_info *priv, int mode)
|
||||
if (ret)
|
||||
panic("Timeout DRAM : DDR->stat = %x\n", stat);
|
||||
|
||||
debug("[0x%08x] stat = 0x%08x\n", (u32)&priv->ctl->stat, stat);
|
||||
log_debug("[0x%08x] stat = 0x%08x\n", (u32)&priv->ctl->stat, stat);
|
||||
}
|
||||
|
||||
void stm32mp1_refresh_disable(struct stm32mp1_ddrctl *ctl)
|
||||
@ -706,9 +708,9 @@ void stm32mp1_ddr_init(struct ddr_info *priv,
|
||||
panic("ddr power init failed\n");
|
||||
|
||||
start:
|
||||
debug("name = %s\n", config->info.name);
|
||||
debug("speed = %d kHz\n", config->info.speed);
|
||||
debug("size = 0x%x\n", config->info.size);
|
||||
log_debug("name = %s\n", config->info.name);
|
||||
log_debug("speed = %d kHz\n", config->info.speed);
|
||||
log_debug("size = 0x%x\n", config->info.size);
|
||||
/*
|
||||
* 1. Program the DWC_ddr_umctl2 registers
|
||||
* 1.1 RESETS: presetn, core_ddrc_rstn, aresetn
|
||||
@ -745,8 +747,8 @@ start:
|
||||
/* 1.5. initialize registers ddr_umctl2 */
|
||||
/* Stop uMCTL2 before PHY is ready */
|
||||
clrbits_le32(&priv->ctl->dfimisc, DDRCTRL_DFIMISC_DFI_INIT_COMPLETE_EN);
|
||||
debug("[0x%08x] dfimisc = 0x%08x\n",
|
||||
(u32)&priv->ctl->dfimisc, readl(&priv->ctl->dfimisc));
|
||||
log_debug("[0x%08x] dfimisc = 0x%08x\n",
|
||||
(u32)&priv->ctl->dfimisc, readl(&priv->ctl->dfimisc));
|
||||
|
||||
set_reg(priv, REG_REG, &config->c_reg);
|
||||
set_reg(priv, REG_TIMING, &config->c_timing);
|
||||
@ -809,9 +811,9 @@ start:
|
||||
wait_operating_mode(priv, DDRCTRL_STAT_OPERATING_MODE_NORMAL);
|
||||
|
||||
if (config->p_cal_present) {
|
||||
debug("DDR DQS training skipped.\n");
|
||||
log_debug("DDR DQS training skipped.\n");
|
||||
} else {
|
||||
debug("DDR DQS training : ");
|
||||
log_debug("DDR DQS training : ");
|
||||
/* 8. Disable Auto refresh and power down by setting
|
||||
* - RFSHCTL3.dis_au_refresh = 1
|
||||
* - PWRCTL.powerdown_en = 0
|
||||
|
||||
@ -3,6 +3,8 @@
|
||||
* Copyright (C) 2019, STMicroelectronics - All Rights Reserved
|
||||
*/
|
||||
|
||||
#define LOG_CATEGORY UCLASS_RAM
|
||||
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
#include <console.h>
|
||||
@ -404,7 +406,7 @@ bool stm32mp1_ddr_interactive(void *priv,
|
||||
#endif
|
||||
}
|
||||
|
||||
debug("** step %d ** %s / %d\n", step, step_str[step], next_step);
|
||||
log_debug("** step %d ** %s / %d\n", step, step_str[step], next_step);
|
||||
|
||||
if (next_step < 0)
|
||||
return false;
|
||||
|
||||
@ -3,6 +3,8 @@
|
||||
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
|
||||
*/
|
||||
|
||||
#define LOG_CATEGORY UCLASS_RAM
|
||||
|
||||
#include <common.h>
|
||||
#include <clk.h>
|
||||
#include <dm.h>
|
||||
@ -12,6 +14,7 @@
|
||||
#include <regmap.h>
|
||||
#include <syscon.h>
|
||||
#include <asm/io.h>
|
||||
#include <dm/device_compat.h>
|
||||
#include "stm32mp1_ddr.h"
|
||||
|
||||
static const char *const clkname[] = {
|
||||
@ -37,7 +40,7 @@ int stm32mp1_ddr_clk_enable(struct ddr_info *priv, uint32_t mem_speed)
|
||||
ret = clk_enable(&clk);
|
||||
|
||||
if (ret) {
|
||||
printf("error for %s : %d\n", clkname[idx], ret);
|
||||
log_err("error for %s : %d\n", clkname[idx], ret);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
@ -45,13 +48,13 @@ int stm32mp1_ddr_clk_enable(struct ddr_info *priv, uint32_t mem_speed)
|
||||
priv->clk = clk;
|
||||
ddrphy_clk = clk_get_rate(&priv->clk);
|
||||
|
||||
debug("DDR: mem_speed (%d kHz), RCC %d kHz\n",
|
||||
mem_speed, (u32)(ddrphy_clk / 1000));
|
||||
log_debug("DDR: mem_speed (%d kHz), RCC %d kHz\n",
|
||||
mem_speed, (u32)(ddrphy_clk / 1000));
|
||||
/* max 10% frequency delta */
|
||||
ddr_clk = abs(ddrphy_clk - mem_speed * 1000);
|
||||
if (ddr_clk > (mem_speed * 100)) {
|
||||
pr_err("DDR expected freq %d kHz, current is %d kHz\n",
|
||||
mem_speed, (u32)(ddrphy_clk / 1000));
|
||||
log_err("DDR expected freq %d kHz, current is %d kHz\n",
|
||||
mem_speed, (u32)(ddrphy_clk / 1000));
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
@ -118,7 +121,7 @@ static __maybe_unused int stm32mp1_ddr_setup(struct udevice *dev)
|
||||
config.info.size = ofnode_read_u32_default(node, "st,mem-size", 0);
|
||||
config.info.name = ofnode_read_string(node, "st,mem-name");
|
||||
if (!config.info.name) {
|
||||
debug("%s: no st,mem-name\n", __func__);
|
||||
dev_dbg(dev, "no st,mem-name\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
printf("RAM: %s\n", config.info.name);
|
||||
@ -128,12 +131,12 @@ static __maybe_unused int stm32mp1_ddr_setup(struct udevice *dev)
|
||||
(void *)((u32)&config +
|
||||
param[idx].offset),
|
||||
param[idx].size);
|
||||
debug("%s: %s[0x%x] = %d\n", __func__,
|
||||
param[idx].name, param[idx].size, ret);
|
||||
dev_dbg(dev, "%s: %s[0x%x] = %d\n", __func__,
|
||||
param[idx].name, param[idx].size, ret);
|
||||
if (ret &&
|
||||
(ret != -FDT_ERR_NOTFOUND || !param[idx].present)) {
|
||||
pr_err("%s: Cannot read %s, error=%d\n",
|
||||
__func__, param[idx].name, ret);
|
||||
dev_err(dev, "Cannot read %s, error=%d\n",
|
||||
param[idx].name, ret);
|
||||
return -EINVAL;
|
||||
}
|
||||
if (param[idx].present) {
|
||||
@ -153,7 +156,7 @@ static __maybe_unused int stm32mp1_ddr_setup(struct udevice *dev)
|
||||
|
||||
ret = clk_get_by_name(dev, "axidcg", &axidcg);
|
||||
if (ret) {
|
||||
debug("%s: Cannot found axidcg\n", __func__);
|
||||
dev_dbg(dev, "%s: Cannot found axidcg\n", __func__);
|
||||
return -EINVAL;
|
||||
}
|
||||
clk_disable(&axidcg); /* disable clock gating during init */
|
||||
@ -163,13 +166,13 @@ static __maybe_unused int stm32mp1_ddr_setup(struct udevice *dev)
|
||||
clk_enable(&axidcg); /* enable clock gating */
|
||||
|
||||
/* check size */
|
||||
debug("%s : get_ram_size(%x, %x)\n", __func__,
|
||||
(u32)priv->info.base, (u32)STM32_DDR_SIZE);
|
||||
dev_dbg(dev, "get_ram_size(%x, %x)\n",
|
||||
(u32)priv->info.base, (u32)STM32_DDR_SIZE);
|
||||
|
||||
priv->info.size = get_ram_size((long *)priv->info.base,
|
||||
STM32_DDR_SIZE);
|
||||
|
||||
debug("%s : %x\n", __func__, (u32)priv->info.size);
|
||||
dev_dbg(dev, "info.size: %x\n", (u32)priv->info.size);
|
||||
|
||||
/* check memory access for all memory */
|
||||
if (config.info.size != priv->info.size) {
|
||||
@ -186,12 +189,11 @@ static int stm32mp1_ddr_probe(struct udevice *dev)
|
||||
struct regmap *map;
|
||||
int ret;
|
||||
|
||||
debug("STM32MP1 DDR probe\n");
|
||||
priv->dev = dev;
|
||||
|
||||
ret = regmap_init_mem(dev_ofnode(dev), &map);
|
||||
if (ret)
|
||||
return ret;
|
||||
return log_ret(ret);
|
||||
|
||||
priv->ctl = regmap_get_range(map, 0);
|
||||
priv->phy = regmap_get_range(map, 1);
|
||||
@ -203,7 +205,9 @@ static int stm32mp1_ddr_probe(struct udevice *dev)
|
||||
#if !defined(CONFIG_TFABOOT) && \
|
||||
(!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
|
||||
priv->info.size = 0;
|
||||
return stm32mp1_ddr_setup(dev);
|
||||
ret = stm32mp1_ddr_setup(dev);
|
||||
|
||||
return log_ret(ret);
|
||||
#else
|
||||
ofnode node = stm32mp1_ddr_get_ofnode(dev);
|
||||
priv->info.size = ofnode_read_u32_default(node, "st,mem-size", 0);
|
||||
|
||||
@ -2,6 +2,9 @@
|
||||
/*
|
||||
* Copyright (C) 2019, STMicroelectronics - All Rights Reserved
|
||||
*/
|
||||
|
||||
#define LOG_CATEGORY UCLASS_RAM
|
||||
|
||||
#include <common.h>
|
||||
#include <console.h>
|
||||
#include <init.h>
|
||||
@ -197,8 +200,8 @@ static u32 databus(u32 *address)
|
||||
|
||||
/* Read it back (immediately is okay for this test). */
|
||||
read_value = readl(address);
|
||||
debug("%x: %x <=> %x\n",
|
||||
(u32)address, read_value, pattern);
|
||||
log_debug("%x: %x <=> %x\n",
|
||||
(u32)address, read_value, pattern);
|
||||
|
||||
if (read_value != pattern)
|
||||
return pattern;
|
||||
@ -252,8 +255,8 @@ static u32 *addressbus(u32 *address, u32 nb_bytes)
|
||||
|
||||
for (offset = 1; (offset & mask) != 0; offset <<= 1) {
|
||||
read_value = readl(&address[offset]);
|
||||
debug("%x: %x <=> %x\n",
|
||||
(u32)&address[offset], read_value, pattern);
|
||||
log_debug("%x: %x <=> %x\n",
|
||||
(u32)&address[offset], read_value, pattern);
|
||||
if (read_value != pattern)
|
||||
return &address[offset];
|
||||
}
|
||||
@ -363,8 +366,8 @@ static enum test_result databuswalk0(struct stm32mp1_ddrctl *ctl,
|
||||
data = readl(addr + 4 * i);
|
||||
if (~(1 << i) != data) {
|
||||
error |= 1 << i;
|
||||
debug("%x: error %x expected %x => error:%x\n",
|
||||
addr + 4 * i, data, ~(1 << i), error);
|
||||
log_debug("%x: error %x expected %x => error:%x\n",
|
||||
addr + 4 * i, data, ~(1 << i), error);
|
||||
}
|
||||
}
|
||||
if (test_loop_end(&loop, nb_loop, 1000))
|
||||
@ -403,8 +406,8 @@ static enum test_result databuswalk1(struct stm32mp1_ddrctl *ctl,
|
||||
data = readl(addr + 4 * i);
|
||||
if ((1 << i) != data) {
|
||||
error |= 1 << i;
|
||||
debug("%x: error %x expected %x => error:%x\n",
|
||||
addr + 4 * i, data, (1 << i), error);
|
||||
log_debug("%x: error %x expected %x => error:%x\n",
|
||||
addr + 4 * i, data, (1 << i), error);
|
||||
}
|
||||
}
|
||||
if (test_loop_end(&loop, nb_loop, 1000))
|
||||
|
||||
@ -2,6 +2,9 @@
|
||||
/*
|
||||
* Copyright (C) 2019, STMicroelectronics - All Rights Reserved
|
||||
*/
|
||||
|
||||
#define LOG_CATEGORY UCLASS_RAM
|
||||
|
||||
#include <common.h>
|
||||
#include <console.h>
|
||||
#include <clk.h>
|
||||
@ -227,8 +230,7 @@ static u8 DQ_unit_index(struct stm32mp1_ddrphy *phy, u8 byte, u8 bit)
|
||||
index = (readl(addr) >> DDRPHYC_DXNDQTR_DQDLY_SHIFT(bit))
|
||||
& DDRPHYC_DXNDQTR_DQDLY_LOW_MASK;
|
||||
|
||||
pr_debug("%s: [%x]: %x => DQ unit index = %x\n",
|
||||
__func__, addr, readl(addr), index);
|
||||
log_debug("[%x]: %x => DQ unit index = %x\n", addr, readl(addr), index);
|
||||
|
||||
return index;
|
||||
}
|
||||
@ -470,13 +472,13 @@ static void apply_deskew_results(struct stm32mp1_ddrphy *phy, u8 byte,
|
||||
for (bit_i = 0; bit_i < 8; bit_i++) {
|
||||
set_DQ_unit_delay(phy, byte, bit_i, deskew_delay[byte][bit_i]);
|
||||
index = DQ_unit_index(phy, byte, bit_i);
|
||||
pr_debug("Byte %d ; bit %d : The new DQ delay (%d) index=%d [delta=%d, 3 is the default]",
|
||||
byte, bit_i, deskew_delay[byte][bit_i],
|
||||
index, index - 3);
|
||||
log_debug("Byte %d ; bit %d : The new DQ delay (%d) index=%d [delta=%d, 3 is the default]",
|
||||
byte, bit_i, deskew_delay[byte][bit_i],
|
||||
index, index - 3);
|
||||
printf("Byte %d, bit %d, DQ delay = %d",
|
||||
byte, bit_i, deskew_delay[byte][bit_i]);
|
||||
if (deskew_non_converge[byte][bit_i] == 1)
|
||||
pr_debug(" - not converged : still more skew");
|
||||
log_debug(" - not converged : still more skew");
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
@ -536,7 +538,7 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
|
||||
/* Config the BIST block */
|
||||
config_BIST(ctl, phy);
|
||||
pr_debug("BIST Config done.\n");
|
||||
log_debug("BIST Config done.\n");
|
||||
|
||||
/* Train each byte */
|
||||
for (datx8 = 0; datx8 < nb_bytes; datx8++) {
|
||||
@ -545,9 +547,9 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
datx8 + 1, nb_bytes, error);
|
||||
return TEST_FAILED;
|
||||
}
|
||||
pr_debug("\n======================\n");
|
||||
pr_debug("Start deskew byte %d .\n", datx8);
|
||||
pr_debug("======================\n");
|
||||
log_debug("\n======================\n");
|
||||
log_debug("Start deskew byte %d .\n", datx8);
|
||||
log_debug("======================\n");
|
||||
/* Enable Byte (DXNGCR, bit DXEN) */
|
||||
setbits_le32(DXNGCR(phy, datx8), DDRPHYC_DXNGCR_DXEN);
|
||||
|
||||
@ -584,7 +586,7 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
* Else, look for Pass init condition
|
||||
*/
|
||||
if (!success) {
|
||||
pr_debug("Fail at init condtion. Let's look for a good init condition.\n");
|
||||
log_debug("Fail at init condtion. Let's look for a good init condition.\n");
|
||||
success = 0; /* init */
|
||||
/* Make sure we start with a PASS condition before
|
||||
* looking for a fail condition.
|
||||
@ -592,7 +594,7 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
*/
|
||||
|
||||
/* escape if we find a PASS */
|
||||
pr_debug("increase Phase idx\n");
|
||||
log_debug("increase Phase idx\n");
|
||||
while (!success && (phase_idx <= MAX_DQS_PHASE_IDX)) {
|
||||
DQS_phase_delay(phy, datx8, phase_idx);
|
||||
BIST_test(phy, datx8, &result);
|
||||
@ -618,7 +620,7 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
* we have hold violation, lets try reduce DQS_unit
|
||||
* Delay
|
||||
*/
|
||||
pr_debug("Still fail. Try decrease DQS Unit delay\n");
|
||||
log_debug("Still fail. Try decrease DQS Unit delay\n");
|
||||
|
||||
phase_idx = 0;
|
||||
dqs_unit_delay_index = 0;
|
||||
@ -665,9 +667,9 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
return TEST_FAILED;
|
||||
}
|
||||
|
||||
pr_debug("there is a pass region for phase idx %d\n",
|
||||
phase_idx);
|
||||
pr_debug("Step1: Find the first failing condition\n");
|
||||
log_debug("there is a pass region for phase idx %d\n",
|
||||
phase_idx);
|
||||
log_debug("Step1: Find the first failing condition\n");
|
||||
/* Look for the first failing condition by PHASE stepping.
|
||||
* This part of the algo can finish without converging.
|
||||
*/
|
||||
@ -692,9 +694,9 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
* stepping (minimal delay)
|
||||
*/
|
||||
if (!success) {
|
||||
pr_debug("Fail region (PHASE) found phase idx %d\n",
|
||||
phase_idx);
|
||||
pr_debug("Let's look for first success by DQS Unit steps\n");
|
||||
log_debug("Fail region (PHASE) found phase idx %d\n",
|
||||
phase_idx);
|
||||
log_debug("Let's look for first success by DQS Unit steps\n");
|
||||
/* This part, the algo always converge */
|
||||
phase_idx--;
|
||||
|
||||
@ -721,7 +723,7 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
/*+1 to get back to current condition */
|
||||
last_right_ok.unit = dqs_unit_delay_index + 1;
|
||||
last_right_ok.bits_delay = 0xFFFFFFFF;
|
||||
pr_debug("Found %d\n", dqs_unit_delay_index);
|
||||
log_debug("Found %d\n", dqs_unit_delay_index);
|
||||
} else {
|
||||
/* the last OK condition is then with the
|
||||
* previous phase_idx.
|
||||
@ -735,8 +737,8 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
*/
|
||||
last_right_ok.unit = 1;
|
||||
last_right_ok.bits_delay = 0xFFFFFFFF;
|
||||
pr_debug("Not Found : try previous phase %d\n",
|
||||
phase_idx - 1);
|
||||
log_debug("Not Found : try previous phase %d\n",
|
||||
phase_idx - 1);
|
||||
|
||||
DQS_phase_delay(phy, datx8, phase_idx - 1);
|
||||
dqs_unit_delay_index = 0;
|
||||
@ -749,8 +751,8 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
BIST_test(phy, datx8, &result);
|
||||
success = result.test_result;
|
||||
dqs_unit_delay_index++;
|
||||
pr_debug("dqs_unit_delay_index = %d, result = %d\n",
|
||||
dqs_unit_delay_index, success);
|
||||
log_debug("dqs_unit_delay_index = %d, result = %d\n",
|
||||
dqs_unit_delay_index, success);
|
||||
}
|
||||
|
||||
if (!success) {
|
||||
@ -758,7 +760,7 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
dqs_unit_delay_index - 1;
|
||||
} else {
|
||||
last_right_ok.unit = 0;
|
||||
pr_debug("ERROR: failed region not FOUND");
|
||||
log_debug("ERROR: failed region not FOUND");
|
||||
}
|
||||
}
|
||||
} else {
|
||||
@ -775,7 +777,7 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
last_right_ok.phase = MAX_DQS_PHASE_IDX;
|
||||
last_right_ok.unit = MAX_DQS_UNIT_IDX;
|
||||
last_right_ok.bits_delay = 0xFFFFFFFF;
|
||||
pr_debug("Can't find the a fail condition\n");
|
||||
log_debug("Can't find the a fail condition\n");
|
||||
}
|
||||
|
||||
/* step 2:
|
||||
@ -787,9 +789,9 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
*/
|
||||
printf("Byte %d, DQS unit = %d, phase = %d\n",
|
||||
datx8, last_right_ok.unit, last_right_ok.phase);
|
||||
pr_debug("Step2, unit = %d, phase = %d, bits delay=%x\n",
|
||||
last_right_ok.unit, last_right_ok.phase,
|
||||
last_right_ok.bits_delay);
|
||||
log_debug("Step2, unit = %d, phase = %d, bits delay=%x\n",
|
||||
last_right_ok.unit, last_right_ok.phase,
|
||||
last_right_ok.bits_delay);
|
||||
|
||||
/* Restore the last_right_ok condtion. */
|
||||
DQS_unit_delay(phy, datx8, last_right_ok.unit);
|
||||
@ -812,7 +814,7 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
datx8 + 1, nb_bytes, error);
|
||||
return error;
|
||||
}
|
||||
pr_debug("deskewing bit %d:\n", bit_i);
|
||||
log_debug("deskewing bit %d:\n", bit_i);
|
||||
success = 1; /* init */
|
||||
/* Set all DQDLYn to maximum value.
|
||||
* Only bit_i will be down-delayed
|
||||
@ -855,10 +857,10 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
* at one bit.
|
||||
*/
|
||||
fail_found = 1;
|
||||
pr_debug("Fail found on bit %d, for delay = %d => deskew[%d][%d] = %d\n",
|
||||
bit_i, bit_i_delay_index + 1,
|
||||
datx8, bit_i,
|
||||
deskew_delay[datx8][bit_i]);
|
||||
log_debug("Fail found on bit %d, for delay = %d => deskew[%d][%d] = %d\n",
|
||||
bit_i, bit_i_delay_index + 1,
|
||||
datx8, bit_i,
|
||||
deskew_delay[datx8][bit_i]);
|
||||
} else {
|
||||
/* if we can find a success condition by
|
||||
* back-delaying this bit, just set the delay
|
||||
@ -870,20 +872,20 @@ static enum test_result bit_deskew(struct stm32mp1_ddrctl *ctl,
|
||||
* in the report.
|
||||
*/
|
||||
deskew_non_converge[datx8][bit_i] = 1;
|
||||
pr_debug("Fail not found on bit %d => deskew[%d][%d] = %d\n",
|
||||
bit_i, datx8, bit_i,
|
||||
deskew_delay[datx8][bit_i]);
|
||||
log_debug("Fail not found on bit %d => deskew[%d][%d] = %d\n",
|
||||
bit_i, datx8, bit_i,
|
||||
deskew_delay[datx8][bit_i]);
|
||||
}
|
||||
}
|
||||
pr_debug("**********byte %d tuning complete************\n",
|
||||
datx8);
|
||||
log_debug("**********byte %d tuning complete************\n",
|
||||
datx8);
|
||||
/* If we can't find any failure by back delaying DQ lines,
|
||||
* hold the default values
|
||||
*/
|
||||
if (!fail_found) {
|
||||
for (bit_i = 0; bit_i < 8; bit_i++)
|
||||
deskew_delay[datx8][bit_i] = 0;
|
||||
pr_debug("The Deskew algorithm can't converge, there is too much margin in your design. Good job!\n");
|
||||
log_debug("The Deskew algorithm can't converge, there is too much margin in your design. Good job!\n");
|
||||
}
|
||||
|
||||
apply_deskew_results(phy, datx8, deskew_delay,
|
||||
@ -986,7 +988,7 @@ static enum test_result eye_training(struct stm32mp1_ddrctl *ctl,
|
||||
dqs_unit_delay_index_pass = dqs_unit_delay_index;
|
||||
success = 0;
|
||||
|
||||
pr_debug("STEP0: Find Init delay\n");
|
||||
log_debug("STEP0: Find Init delay\n");
|
||||
/* STEP0: Find Init delay: a delay that put the system
|
||||
* in a "Pass" condition then (TODO) update
|
||||
* dqs_unit_delay_index_pass & phase_idx_pass
|
||||
@ -1035,7 +1037,7 @@ static enum test_result eye_training(struct stm32mp1_ddrctl *ctl,
|
||||
byte + 1, nb_bytes, error);
|
||||
return TEST_FAILED;
|
||||
}
|
||||
pr_debug("STEP1: Find LEFT PHASE DQS Bound\n");
|
||||
log_debug("STEP1: Find LEFT PHASE DQS Bound\n");
|
||||
/* STEP1: Find LEFT PHASE DQS Bound */
|
||||
while ((phase_idx >= 0) &&
|
||||
(phase_idx <= MAX_DQS_PHASE_IDX) &&
|
||||
@ -1069,7 +1071,7 @@ static enum test_result eye_training(struct stm32mp1_ddrctl *ctl,
|
||||
byte + 1, nb_bytes, error);
|
||||
return TEST_FAILED;
|
||||
}
|
||||
pr_debug("STEP2: Find UNIT left bound\n");
|
||||
log_debug("STEP2: Find UNIT left bound\n");
|
||||
/* STEP2: Find UNIT left bound */
|
||||
while ((dqs_unit_delay_index >= 0) &&
|
||||
!left_unit_bound_found) {
|
||||
@ -1097,7 +1099,7 @@ static enum test_result eye_training(struct stm32mp1_ddrctl *ctl,
|
||||
byte + 1, nb_bytes, error);
|
||||
return TEST_FAILED;
|
||||
}
|
||||
pr_debug("STEP3: Find PHase right bound\n");
|
||||
log_debug("STEP3: Find PHase right bound\n");
|
||||
/* STEP3: Find PHase right bound, start with "pass"
|
||||
* condition
|
||||
*/
|
||||
@ -1135,7 +1137,7 @@ static enum test_result eye_training(struct stm32mp1_ddrctl *ctl,
|
||||
byte + 1, nb_bytes, error);
|
||||
return TEST_FAILED;
|
||||
}
|
||||
pr_debug("STEP4: Find UNIT right bound\n");
|
||||
log_debug("STEP4: Find UNIT right bound\n");
|
||||
/* STEP4: Find UNIT right bound */
|
||||
while ((dqs_unit_delay_index <= MAX_DQS_UNIT_IDX) &&
|
||||
!right_unit_bound_found) {
|
||||
@ -1174,12 +1176,12 @@ static enum test_result eye_training(struct stm32mp1_ddrctl *ctl,
|
||||
if (((right_bound.phase + left_bound.phase) % 2 == 1) &&
|
||||
eye_training_val[byte][1] != MAX_DQS_UNIT_IDX)
|
||||
eye_training_val[byte][1]++;
|
||||
pr_debug("** found phase : %d - %d & unit %d - %d\n",
|
||||
right_bound.phase, left_bound.phase,
|
||||
right_bound.unit, left_bound.unit);
|
||||
pr_debug("** calculating mid region: phase: %d unit: %d (nominal is 3)\n",
|
||||
eye_training_val[byte][0],
|
||||
eye_training_val[byte][1]);
|
||||
log_debug("** found phase : %d - %d & unit %d - %d\n",
|
||||
right_bound.phase, left_bound.phase,
|
||||
right_bound.unit, left_bound.unit);
|
||||
log_debug("** calculating mid region: phase: %d unit: %d (nominal is 3)\n",
|
||||
eye_training_val[byte][0],
|
||||
eye_training_val[byte][1]);
|
||||
} else {
|
||||
/* PPPPPPPPPP, we're already good.
|
||||
* Set nominal values.
|
||||
@ -1280,11 +1282,11 @@ static u8 set_midpoint_read_dqs_gating(struct stm32mp1_ddrphy *phy, u8 byte,
|
||||
* or pppppff or ffppppp
|
||||
*/
|
||||
if (left_bound_found || right_bound_found) {
|
||||
pr_debug("idx0(%d): %d %d idx1(%d) : %d %d\n",
|
||||
left_bound_found,
|
||||
right_bound_idx[0], left_bound_idx[0],
|
||||
right_bound_found,
|
||||
right_bound_idx[1], left_bound_idx[1]);
|
||||
log_debug("idx0(%d): %d %d idx1(%d) : %d %d\n",
|
||||
left_bound_found,
|
||||
right_bound_idx[0], left_bound_idx[0],
|
||||
right_bound_found,
|
||||
right_bound_idx[1], left_bound_idx[1]);
|
||||
dqs_gate_values[byte][0] =
|
||||
(right_bound_idx[0] + left_bound_idx[0]) / 2;
|
||||
dqs_gate_values[byte][1] =
|
||||
@ -1319,14 +1321,14 @@ static u8 set_midpoint_read_dqs_gating(struct stm32mp1_ddrphy *phy, u8 byte,
|
||||
left_bound_idx[0];
|
||||
}
|
||||
}
|
||||
pr_debug("*******calculating mid region: system latency: %d phase: %d********\n",
|
||||
dqs_gate_values[byte][0],
|
||||
dqs_gate_values[byte][1]);
|
||||
pr_debug("*******the nominal values were system latency: 0 phase: 2*******\n");
|
||||
log_debug("*******calculating mid region: system latency: %d phase: %d********\n",
|
||||
dqs_gate_values[byte][0],
|
||||
dqs_gate_values[byte][1]);
|
||||
log_debug("*******the nominal values were system latency: 0 phase: 2*******\n");
|
||||
}
|
||||
} else {
|
||||
/* if intermitant, restore defaut values */
|
||||
pr_debug("dqs gating:no regular fail/pass/fail found. defaults values restored.\n");
|
||||
log_debug("dqs gating:no regular fail/pass/fail found. defaults values restored.\n");
|
||||
dqs_gate_values[byte][0] = 0;
|
||||
dqs_gate_values[byte][1] = 2;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user