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Merge branch 'master' of git://git.denx.de/u-boot-socfpga

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- Various stratix10, gen5 updates
This commit is contained in:
Tom Rini
2019-04-21 18:59:30 -04:00
parent 1f4ae66eaa e09c1a1331
commit b4fde1633e
37 changed files with 560 additions and 129 deletions
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2
drivers/ddr/altera/Kconfig
View File

@@ -1,5 +1,7 @@
config ALTERA_SDRAM
bool "SoCFPGA DDR SDRAM driver"
depends on TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10
select RAM if TARGET_SOCFPGA_GEN5
select SPL_RAM if TARGET_SOCFPGA_GEN5
help
Enable DDR SDRAM controller for the SoCFPGA devices.

143
drivers/ddr/altera/sdram_gen5.c
View File

@@ -3,14 +3,30 @@
* Copyright Altera Corporation (C) 2014-2015
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <div64.h>
#include <ram.h>
#include <reset.h>
#include <watchdog.h>
#include <asm/arch/fpga_manager.h>
#include <asm/arch/reset_manager.h>
#include <asm/arch/sdram.h>
#include <asm/arch/system_manager.h>
#include <asm/io.h>
#include "sequencer.h"
#ifdef CONFIG_SPL_BUILD
struct altera_gen5_sdram_priv {
struct ram_info info;
};
struct altera_gen5_sdram_platdata {
struct socfpga_sdr *sdr;
};
struct sdram_prot_rule {
u32 sdram_start; /* SDRAM start address */
u32 sdram_end; /* SDRAM end address */
@@ -26,8 +42,8 @@ struct sdram_prot_rule {
static struct socfpga_system_manager *sysmgr_regs =
(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
static struct socfpga_sdr_ctrl *sdr_ctrl =
(struct socfpga_sdr_ctrl *)SDR_CTRLGRP_ADDRESS;
static unsigned long sdram_calculate_size(struct socfpga_sdr_ctrl *sdr_ctrl);
/**
* get_errata_rows() - Up the number of DRAM rows to cover entire address space
@@ -104,7 +120,8 @@ static int get_errata_rows(const struct socfpga_sdram_config *cfg)
}
/* SDRAM protection rules vary from 0-19, a total of 20 rules. */
static void sdram_set_rule(struct sdram_prot_rule *prule)
static void sdram_set_rule(struct socfpga_sdr_ctrl *sdr_ctrl,
struct sdram_prot_rule *prule)
{
u32 lo_addr_bits;
u32 hi_addr_bits;
@@ -141,7 +158,8 @@ static void sdram_set_rule(struct sdram_prot_rule *prule)
writel(0, &sdr_ctrl->prot_rule_rdwr);
}
static void sdram_get_rule(struct sdram_prot_rule *prule)
static void sdram_get_rule(struct socfpga_sdr_ctrl *sdr_ctrl,
struct sdram_prot_rule *prule)
{
u32 addr;
u32 id;
@@ -172,7 +190,8 @@ static void sdram_get_rule(struct sdram_prot_rule *prule)
}
static void
sdram_set_protection_config(const u32 sdram_start, const u32 sdram_end)
sdram_set_protection_config(struct socfpga_sdr_ctrl *sdr_ctrl,
const u32 sdram_start, const u32 sdram_end)
{
struct sdram_prot_rule rule;
int rules;
@@ -185,7 +204,7 @@ sdram_set_protection_config(const u32 sdram_start, const u32 sdram_end)
for (rules = 0; rules < 20; rules++) {
rule.rule = rules;
sdram_set_rule(&rule);
sdram_set_rule(sdr_ctrl, &rule);
}
/* new rule: accept SDRAM */
@@ -200,13 +219,13 @@ sdram_set_protection_config(const u32 sdram_start, const u32 sdram_end)
rule.rule = 0;
/* set new rule */
sdram_set_rule(&rule);
sdram_set_rule(sdr_ctrl, &rule);
/* default rule: reject everything */
writel(0x3ff, &sdr_ctrl->protport_default);
}
static void sdram_dump_protection_config(void)
static void sdram_dump_protection_config(struct socfpga_sdr_ctrl *sdr_ctrl)
{
struct sdram_prot_rule rule;
int rules;
@@ -216,7 +235,7 @@ static void sdram_dump_protection_config(void)
for (rules = 0; rules < 20; rules++) {
rule.rule = rules;
sdram_get_rule(&rule);
sdram_get_rule(sdr_ctrl, &rule);
debug("Rule %d, rules ...\n", rules);
debug(" sdram start %x\n", rule.sdram_start);
debug(" sdram end %x\n", rule.sdram_end);
@@ -322,7 +341,8 @@ static u32 sdr_get_addr_rw(const struct socfpga_sdram_config *cfg)
*
* This function loads the register values into the SDRAM controller block.
*/
static void sdr_load_regs(const struct socfpga_sdram_config *cfg)
static void sdr_load_regs(struct socfpga_sdr_ctrl *sdr_ctrl,
const struct socfpga_sdram_config *cfg)
{
const u32 ctrl_cfg = sdr_get_ctrlcfg(cfg);
const u32 dram_addrw = sdr_get_addr_rw(cfg);
@@ -426,7 +446,8 @@ static void sdr_load_regs(const struct socfpga_sdram_config *cfg)
*
* Initialize the SDRAM MMR.
*/
int sdram_mmr_init_full(unsigned int sdr_phy_reg)
int sdram_mmr_init_full(struct socfpga_sdr_ctrl *sdr_ctrl,
unsigned int sdr_phy_reg)
{
const struct socfpga_sdram_config *cfg = socfpga_get_sdram_config();
const unsigned int rows =
@@ -436,7 +457,7 @@ int sdram_mmr_init_full(unsigned int sdr_phy_reg)
writel(rows, &sysmgr_regs->iswgrp_handoff[4]);
sdr_load_regs(cfg);
sdr_load_regs(sdr_ctrl, cfg);
/* saving this value to SYSMGR.ISWGRP.HANDOFF.FPGA2SDR */
writel(cfg->fpgaport_rst, &sysmgr_regs->iswgrp_handoff[3]);
@@ -459,9 +480,10 @@ int sdram_mmr_init_full(unsigned int sdr_phy_reg)
SDR_CTRLGRP_STATICCFG_APPLYCFG_MASK,
1 << SDR_CTRLGRP_STATICCFG_APPLYCFG_LSB);
sdram_set_protection_config(0, sdram_calculate_size() - 1);
sdram_set_protection_config(sdr_ctrl, 0,
sdram_calculate_size(sdr_ctrl) - 1);
sdram_dump_protection_config();
sdram_dump_protection_config(sdr_ctrl);
return 0;
}
@@ -472,7 +494,7 @@ int sdram_mmr_init_full(unsigned int sdr_phy_reg)
* Calculate SDRAM device size based on SDRAM controller parameters.
* Size is specified in bytes.
*/
unsigned long sdram_calculate_size(void)
static unsigned long sdram_calculate_size(struct socfpga_sdr_ctrl *sdr_ctrl)
{
unsigned long temp;
unsigned long row, bank, col, cs, width;
@@ -534,3 +556,94 @@ unsigned long sdram_calculate_size(void)
return temp;
}
static int altera_gen5_sdram_ofdata_to_platdata(struct udevice *dev)
{
struct altera_gen5_sdram_platdata *plat = dev->platdata;
plat->sdr = (struct socfpga_sdr *)devfdt_get_addr_index(dev, 0);
if (!plat->sdr)
return -ENODEV;
return 0;
}
static int altera_gen5_sdram_probe(struct udevice *dev)
{
int ret;
unsigned long sdram_size;
struct altera_gen5_sdram_platdata *plat = dev->platdata;
struct altera_gen5_sdram_priv *priv = dev_get_priv(dev);
struct socfpga_sdr_ctrl *sdr_ctrl = &plat->sdr->sdr_ctrl;
struct reset_ctl_bulk resets;
ret = reset_get_bulk(dev, &resets);
if (ret) {
dev_err(dev, "Can't get reset: %d\n", ret);
return -ENODEV;
}
reset_deassert_bulk(&resets);
if (sdram_mmr_init_full(sdr_ctrl, 0xffffffff) != 0) {
puts("SDRAM init failed.\n");
goto failed;
}
debug("SDRAM: Calibrating PHY\n");
/* SDRAM calibration */
if (sdram_calibration_full(plat->sdr) == 0) {
puts("SDRAM calibration failed.\n");
goto failed;
}
sdram_size = sdram_calculate_size(sdr_ctrl);
debug("SDRAM: %ld MiB\n", sdram_size >> 20);
/* Sanity check ensure correct SDRAM size specified */
if (get_ram_size(0, sdram_size) != sdram_size) {
puts("SDRAM size check failed!\n");
goto failed;
}
priv->info.base = 0;
priv->info.size = sdram_size;
return 0;
failed:
reset_release_bulk(&resets);
return -ENODEV;
}
static int altera_gen5_sdram_get_info(struct udevice *dev,
struct ram_info *info)
{
struct altera_gen5_sdram_priv *priv = dev_get_priv(dev);
info->base = priv->info.base;
info->size = priv->info.size;
return 0;
}
static struct ram_ops altera_gen5_sdram_ops = {
.get_info = altera_gen5_sdram_get_info,
};
static const struct udevice_id altera_gen5_sdram_ids[] = {
{ .compatible = "altr,sdr-ctl" },
{ /* sentinel */ }
};
U_BOOT_DRIVER(altera_gen5_sdram) = {
.name = "altr_sdr_ctl",
.id = UCLASS_RAM,
.of_match = altera_gen5_sdram_ids,
.ops = &altera_gen5_sdram_ops,
.ofdata_to_platdata = altera_gen5_sdram_ofdata_to_platdata,
.platdata_auto_alloc_size = sizeof(struct altera_gen5_sdram_platdata),
.probe = altera_gen5_sdram_probe,
.priv_auto_alloc_size = sizeof(struct altera_gen5_sdram_priv),
};
#endif /* CONFIG_SPL_BUILD */

136
drivers/ddr/altera/sdram_s10.c
View File

@@ -7,12 +7,14 @@
#include <common.h>
#include <errno.h>
#include <div64.h>
#include <fdtdec.h>
#include <asm/io.h>
#include <wait_bit.h>
#include <asm/arch/firewall_s10.h>
#include <asm/arch/sdram_s10.h>
#include <asm/arch/system_manager.h>
#include <asm/arch/reset_manager.h>
#include <linux/sizes.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -21,6 +23,8 @@ static const struct socfpga_system_manager *sysmgr_regs =
#define DDR_CONFIG(A, B, C, R) (((A) << 24) | ((B) << 16) | ((C) << 8) | (R))
#define PGTABLE_OFF 0x4000
/* The followring are the supported configurations */
u32 ddr_config[] = {
/* DDR_CONFIG(Address order,Bank,Column,Row) */
@@ -134,6 +138,108 @@ static int poll_hmc_clock_status(void)
SYSMGR_HMC_CLK_STATUS_MSK, true, 1000, false);
}
static void sdram_clear_mem(phys_addr_t addr, phys_size_t size)
{
phys_size_t i;
if (addr % CONFIG_SYS_CACHELINE_SIZE) {
printf("DDR: address 0x%llx is not cacheline size aligned.\n",
addr);
hang();
}
if (size % CONFIG_SYS_CACHELINE_SIZE) {
printf("DDR: size 0x%llx is not multiple of cacheline size\n",
size);
hang();
}
/* Use DC ZVA instruction to clear memory to zeros by a cache line */
for (i = 0; i < size; i = i + CONFIG_SYS_CACHELINE_SIZE) {
asm volatile("dc zva, %0"
:
: "r"(addr)
: "memory");
addr += CONFIG_SYS_CACHELINE_SIZE;
}
}
static void sdram_init_ecc_bits(bd_t *bd)
{
phys_size_t size, size_init;
phys_addr_t start_addr;
int bank = 0;
unsigned int start = get_timer(0);
icache_enable();
start_addr = bd->bi_dram[0].start;
size = bd->bi_dram[0].size;
/* Initialize small block for page table */
memset((void *)start_addr, 0, PGTABLE_SIZE + PGTABLE_OFF);
gd->arch.tlb_addr = start_addr + PGTABLE_OFF;
gd->arch.tlb_size = PGTABLE_SIZE;
start_addr += PGTABLE_SIZE + PGTABLE_OFF;
size -= (PGTABLE_OFF + PGTABLE_SIZE);
dcache_enable();
while (1) {
while (size) {
size_init = min((phys_addr_t)SZ_1G, (phys_addr_t)size);
sdram_clear_mem(start_addr, size_init);
size -= size_init;
start_addr += size_init;
WATCHDOG_RESET();
}
bank++;
if (bank >= CONFIG_NR_DRAM_BANKS)
break;
start_addr = bd->bi_dram[bank].start;
size = bd->bi_dram[bank].size;
}
dcache_disable();
icache_disable();
printf("SDRAM-ECC: Initialized success with %d ms\n",
(unsigned int)get_timer(start));
}
static void sdram_size_check(bd_t *bd)
{
phys_size_t total_ram_check = 0;
phys_size_t ram_check = 0;
phys_addr_t start = 0;
int bank;
/* Sanity check ensure correct SDRAM size specified */
debug("DDR: Running SDRAM size sanity check\n");
for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
start = bd->bi_dram[bank].start;
while (ram_check < bd->bi_dram[bank].size) {
ram_check += get_ram_size((void *)(start + ram_check),
(phys_size_t)SZ_1G);
}
total_ram_check += ram_check;
ram_check = 0;
}
/* If the ram_size is 2GB smaller, we can assume the IO space is
* not mapped in. gd->ram_size is the actual size of the dram
* not the accessible size.
*/
if (total_ram_check != gd->ram_size) {
puts("DDR: SDRAM size check failed!\n");
hang();
}
debug("DDR: SDRAM size check passed!\n");
}
/**
* sdram_mmr_init_full() - Function to initialize SDRAM MMR
*
@@ -144,6 +250,8 @@ int sdram_mmr_init_full(unsigned int unused)
u32 update_value, io48_value, ddrioctl;
u32 i;
int ret;
phys_size_t hw_size;
bd_t bd = {0};
/* Enable access to DDR from CPU master */
clrbits_le32(CCU_REG_ADDR(CCU_CPU0_MPRT_ADBASE_DDRREG),
@@ -335,9 +443,22 @@ int sdram_mmr_init_full(unsigned int unused)
unsigned long long size = sdram_calculate_size();
/* If the size is invalid, use default Config size */
if (size <= 0)
gd->ram_size = PHYS_SDRAM_1_SIZE;
hw_size = PHYS_SDRAM_1_SIZE;
else
gd->ram_size = size;
hw_size = size;
/* Get bank configuration from devicetree */
ret = fdtdec_decode_ram_size(gd->fdt_blob, NULL, 0, NULL,
(phys_size_t *)&gd->ram_size, &bd);
if (ret) {
puts("DDR: Failed to decode memory node\n");
return -1;
}
if (gd->ram_size != hw_size)
printf("DDR: Warning: DRAM size from device tree mismatch with hardware.\n");
printf("DDR: %lld MiB\n", gd->ram_size >> 20);
/* Enable or disable the SDRAM ECC */
if (CTRLCFG1_CFG_CTRL_EN_ECC(ctrlcfg1)) {
@@ -351,6 +472,15 @@ int sdram_mmr_init_full(unsigned int unused)
setbits_le32(SOCFPGA_SDR_ADDRESS + ECCCTRL2,
(DDR_HMC_ECCCTL2_RMW_EN_SET_MSK |
DDR_HMC_ECCCTL2_AWB_EN_SET_MSK));
writel(DDR_HMC_ERRINTEN_INTMASK,
SOCFPGA_SDR_ADDRESS + ERRINTENS);
/* Enable non-secure writes to HMC Adapter for SDRAM ECC */
writel(FW_HMC_ADAPTOR_MPU_MASK, FW_HMC_ADAPTOR_REG_ADDR);
/* Initialize memory content if not from warm reset */
if (!cpu_has_been_warmreset())
sdram_init_ecc_bits(&bd);
} else {
clrbits_le32(SOCFPGA_SDR_ADDRESS + ECCCTRL1,
(DDR_HMC_ECCCTL_AWB_CNT_RST_SET_MSK |
@@ -361,6 +491,8 @@ int sdram_mmr_init_full(unsigned int unused)
DDR_HMC_ECCCTL2_AWB_EN_SET_MSK));
}
sdram_size_check(&bd);
debug("DDR: HMC init success\n");
return 0;
}

9
drivers/ddr/altera/sequencer.c
View File

@@ -3705,12 +3705,19 @@ static void initialize_tracking(void)
&sdr_reg_file->trk_rfsh);
}
int sdram_calibration_full(void)
int sdram_calibration_full(struct socfpga_sdr *sdr)
{
struct param_type my_param;
struct gbl_type my_gbl;
u32 pass;
/*
* For size reasons, this file uses hard coded addresses.
* Check if we are called with the correct address.
*/
if (sdr != (struct socfpga_sdr *)SOCFPGA_SDR_ADDRESS)
return -ENODEV;
memset(&my_param, 0, sizeof(my_param));
memset(&my_gbl, 0, sizeof(my_gbl));

35
drivers/ddr/altera/sequencer.h
View File

@@ -223,4 +223,39 @@ struct socfpga_data_mgr {
u32 mem_t_add;
u32 t_rl_add;
};
/* This struct describes the controller @ SOCFPGA_SDR_ADDRESS */
struct socfpga_sdr {
/* SDR_PHYGRP_SCCGRP_ADDRESS */
u8 _align1[0xe00];
/* SDR_PHYGRP_SCCGRP_ADDRESS | 0xe00 */
struct socfpga_sdr_scc_mgr sdr_scc_mgr;
u8 _align2[0x1bc];
/* SDR_PHYGRP_PHYMGRGRP_ADDRESS */
struct socfpga_phy_mgr_cmd phy_mgr_cmd;
u8 _align3[0x2c];
/* SDR_PHYGRP_PHYMGRGRP_ADDRESS | 0x40 */
struct socfpga_phy_mgr_cfg phy_mgr_cfg;
u8 _align4[0xfa0];
/* SDR_PHYGRP_RWMGRGRP_ADDRESS */
u8 rwmgr_grp[0x800];
/* SDR_PHYGRP_RWMGRGRP_ADDRESS | 0x800 */
struct socfpga_sdr_rw_load_manager sdr_rw_load_mgr_regs;
u8 _align5[0x3f0];
/* SDR_PHYGRP_RWMGRGRP_ADDRESS | 0xC00 */
struct socfpga_sdr_rw_load_jump_manager sdr_rw_load_jump_mgr_regs;
u8 _align6[0x13f0];
/* SDR_PHYGRP_DATAMGRGRP_ADDRESS */
struct socfpga_data_mgr data_mgr;
u8 _align7[0x7f0];
/* SDR_PHYGRP_REGFILEGRP_ADDRESS */
struct socfpga_sdr_reg_file sdr_reg_file;
u8 _align8[0x7c8];
/* SDR_CTRLGRP_ADDRESS */
struct socfpga_sdr_ctrl sdr_ctrl;
u8 _align9[0xea4];
};
int sdram_calibration_full(struct socfpga_sdr *sdr);
#endif /* _SEQUENCER_H_ */

2
drivers/mtd/nand/raw/denali.h
View File

@@ -10,6 +10,7 @@
#include <linux/bitops.h>
#include <linux/mtd/rawnand.h>
#include <linux/types.h>
#include <reset.h>
#define DEVICE_RESET 0x0
#define DEVICE_RESET__BANK(bank) BIT(bank)
@@ -315,6 +316,7 @@ struct denali_nand_info {
void (*host_write)(struct denali_nand_info *denali, u32 addr, u32 data);
void (*setup_dma)(struct denali_nand_info *denali, dma_addr_t dma_addr,
int page, int write);
struct reset_ctl_bulk resets;
};
#define DENALI_CAP_HW_ECC_FIXUP BIT(0)

15
drivers/mtd/nand/raw/denali_dt.c
View File

@@ -131,15 +131,30 @@ static int denali_dt_probe(struct udevice *dev)
denali->clk_x_rate = 200000000;
}
ret = reset_get_bulk(dev, &denali->resets);
if (ret)
dev_warn(dev, "Can't get reset: %d\n", ret);
else
reset_deassert_bulk(&denali->resets);
return denali_init(denali);
}
static int denali_dt_remove(struct udevice *dev)
{
struct denali_nand_info *denali = dev_get_priv(dev);
return reset_release_bulk(&denali->resets);
}
U_BOOT_DRIVER(denali_nand_dt) = {
.name = "denali-nand-dt",
.id = UCLASS_MISC,
.of_match = denali_nand_dt_ids,
.probe = denali_dt_probe,
.priv_auto_alloc_size = sizeof(struct denali_nand_info),
.remove = denali_dt_remove,
.flags = DM_FLAG_OS_PREPARE,
};
void board_nand_init(void)

55
drivers/reset/reset-socfpga.c
View File

@@ -24,9 +24,39 @@
#define NR_BANKS 8
struct socfpga_reset_data {
void __iomem *membase;
void __iomem *modrst_base;
};
/*
* For compatibility with Kernels that don't support peripheral reset, this
* driver can keep the old behaviour of not asserting peripheral reset before
* starting the OS and deasserting all peripheral resets (enabling all
* peripherals).
*
* For that, the reset driver checks the environment variable
* "socfpga_legacy_reset_compat". If this variable is '1', perihperals are not
* reset again once taken out of reset and all peripherals in 'permodrst' are
* taken out of reset before booting into the OS.
* Note that this should be required for gen5 systems only that are running
* Linux kernels without proper peripheral reset support for all drivers used.
*/
static bool socfpga_reset_keep_enabled(void)
{
#if !defined(CONFIG_SPL_BUILD) || CONFIG_IS_ENABLED(ENV_SUPPORT)
const char *env_str;
long val;
env_str = env_get("socfpga_legacy_reset_compat");
if (env_str) {
val = simple_strtol(env_str, NULL, 0);
if (val == 1)
return true;
}
#endif
return false;
}
static int socfpga_reset_assert(struct reset_ctl *reset_ctl)
{
struct socfpga_reset_data *data = dev_get_priv(reset_ctl->dev);
@@ -35,7 +65,7 @@ static int socfpga_reset_assert(struct reset_ctl *reset_ctl)
int bank = id / (reg_width * BITS_PER_BYTE);
int offset = id % (reg_width * BITS_PER_BYTE);
setbits_le32(data->membase + (bank * BANK_INCREMENT), BIT(offset));
setbits_le32(data->modrst_base + (bank * BANK_INCREMENT), BIT(offset));
return 0;
}
@@ -47,7 +77,7 @@ static int socfpga_reset_deassert(struct reset_ctl *reset_ctl)
int bank = id / (reg_width * BITS_PER_BYTE);
int offset = id % (reg_width * BITS_PER_BYTE);
clrbits_le32(data->membase + (bank * BANK_INCREMENT), BIT(offset));
clrbits_le32(data->modrst_base + (bank * BANK_INCREMENT), BIT(offset));
return 0;
}
@@ -80,11 +110,24 @@ static int socfpga_reset_probe(struct udevice *dev)
const void *blob = gd->fdt_blob;
int node = dev_of_offset(dev);
u32 modrst_offset;
void __iomem *membase;
data->membase = devfdt_get_addr_ptr(dev);
membase = devfdt_get_addr_ptr(dev);
modrst_offset = fdtdec_get_int(blob, node, "altr,modrst-offset", 0x10);
data->membase += modrst_offset;
data->modrst_base = membase + modrst_offset;
return 0;
}
static int socfpga_reset_remove(struct udevice *dev)
{
struct socfpga_reset_data *data = dev_get_priv(dev);
if (socfpga_reset_keep_enabled()) {
puts("Deasserting all peripheral resets\n");
writel(0, data->modrst_base + 4);
}
return 0;
}
@@ -101,4 +144,6 @@ U_BOOT_DRIVER(socfpga_reset) = {
.probe = socfpga_reset_probe,
.priv_auto_alloc_size = sizeof(struct socfpga_reset_data),
.ops = &socfpga_reset_ops,
.remove = socfpga_reset_remove,
.flags = DM_FLAG_OS_PREPARE,
};

17
drivers/spi/cadence_qspi.c
View File

@@ -8,6 +8,7 @@
#include <dm.h>
#include <fdtdec.h>
#include <malloc.h>
#include <reset.h>
#include <spi.h>
#include <linux/errno.h>
#include "cadence_qspi.h"
@@ -154,10 +155,17 @@ static int cadence_spi_probe(struct udevice *bus)
{
struct cadence_spi_platdata *plat = bus->platdata;
struct cadence_spi_priv *priv = dev_get_priv(bus);
int ret;
priv->regbase = plat->regbase;
priv->ahbbase = plat->ahbbase;
ret = reset_get_bulk(bus, &priv->resets);
if (ret)
dev_warn(bus, "Can't get reset: %d\n", ret);
else
reset_deassert_bulk(&priv->resets);
if (!priv->qspi_is_init) {
cadence_qspi_apb_controller_init(plat);
priv->qspi_is_init = 1;
@@ -166,6 +174,13 @@ static int cadence_spi_probe(struct udevice *bus)
return 0;
}
static int cadence_spi_remove(struct udevice *dev)
{
struct cadence_spi_priv *priv = dev_get_priv(dev);
return reset_release_bulk(&priv->resets);
}
static int cadence_spi_set_mode(struct udevice *bus, uint mode)
{
struct cadence_spi_priv *priv = dev_get_priv(bus);
@@ -342,4 +357,6 @@ U_BOOT_DRIVER(cadence_spi) = {
.platdata_auto_alloc_size = sizeof(struct cadence_spi_platdata),
.priv_auto_alloc_size = sizeof(struct cadence_spi_priv),
.probe = cadence_spi_probe,
.remove = cadence_spi_remove,
.flags = DM_FLAG_OS_PREPARE,
};

4
drivers/spi/cadence_qspi.h
View File

@@ -7,6 +7,8 @@
#ifndef __CADENCE_QSPI_H__
#define __CADENCE_QSPI_H__
#include <reset.h>
#define CQSPI_IS_ADDR(cmd_len) (cmd_len > 1 ? 1 : 0)
#define CQSPI_NO_DECODER_MAX_CS 4
@@ -42,6 +44,8 @@ struct cadence_spi_priv {
unsigned int qspi_calibrated_hz;
unsigned int qspi_calibrated_cs;
unsigned int previous_hz;
struct reset_ctl_bulk resets;
};
/* Functions call declaration */

2
drivers/timer/dw-apb-timer.c
View File

@@ -32,7 +32,7 @@ static int dw_apb_timer_get_count(struct udevice *dev, u64 *count)
* requires the count to be incrementing. Invert the
* result.
*/
*count = ~readl(priv->regs + DW_APB_CURR_VAL);
*count = timer_conv_64(~readl(priv->regs + DW_APB_CURR_VAL));
return 0;
}