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drivers: ram: sifive: rename fu540_ddr and add fu740 support 

Rename fu540_ddr.c to sifive_ddr.c and add fu740 support

Signed-off-by: Green Wan <green.wan@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Green Wan 2021-05-27 06:52:09 -07:00 committed by Leo Yu-Chi Liang
parent d56d79ed27
commit dab18c7aa6
3 changed files with 50 additions and 49 deletions
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8
drivers/ram/sifive/Kconfig
View File

@ -5,9 +5,9 @@ config RAM_SIFIVE
help
This enables support for ram drivers of SiFive SoCs.
config SIFIVE_FU540_DDR
bool "SiFive FU540 DDR driver"
config SIFIVE_DDR
bool "SiFive DDR driver"
depends on RAM_SIFIVE
default y if TARGET_SIFIVE_UNLEASHED
default y if TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
help
This enables DDR support for the platforms based on SiFive FU540 SoC.
This enables DDR support for the platforms based on SiFive SoC.

2
drivers/ram/sifive/Makefile
View File

@ -3,4 +3,4 @@
# Copyright (c) 2020 SiFive, Inc
#
obj-$(CONFIG_SIFIVE_FU540_DDR) += fu540_ddr.o
obj-$(CONFIG_SIFIVE_DDR) += sifive_ddr.o

89
drivers/ram/sifive/fu540_ddr.c → drivers/ram/sifive/sifive_ddr.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* (C) Copyright 2020 SiFive, Inc.
* (C) Copyright 2020-2021 SiFive, Inc.
*
* Authors:
* Pragnesh Patel <pragnesh.patel@sifive.com>
@ -65,16 +65,16 @@
DECLARE_GLOBAL_DATA_PTR;
struct fu540_ddrctl {
struct sifive_ddrctl {
volatile u32 denali_ctl[265];
};
struct fu540_ddrphy {
struct sifive_ddrphy {
volatile u32 denali_phy[1215];
};
/**
* struct fu540_ddr_info
* struct sifive_ddr_info
*
* @dev : pointer for the device
* @info : UCLASS RAM information
@ -83,23 +83,23 @@ struct fu540_ddrphy {
* @ctrl : DDR control base address
* @physical_filter_ctrl : DDR physical filter control base address
*/
struct fu540_ddr_info {
struct sifive_ddr_info {
struct udevice *dev;
struct ram_info info;
struct fu540_ddrctl *ctl;
struct fu540_ddrphy *phy;
struct sifive_ddrctl *ctl;
struct sifive_ddrphy *phy;
struct clk ddr_clk;
u32 *physical_filter_ctrl;
};
#if defined(CONFIG_SPL_BUILD)
struct fu540_ddr_params {
struct fu540_ddrctl pctl_regs;
struct fu540_ddrphy phy_regs;
struct sifive_ddr_params {
struct sifive_ddrctl pctl_regs;
struct sifive_ddrphy phy_regs;
};
struct sifive_dmc_plat {
struct fu540_ddr_params ddr_params;
struct sifive_ddr_params ddr_params;
};
/*
@ -118,7 +118,7 @@ static void sdram_copy_to_reg(volatile u32 *dest,
}
}
static void fu540_ddr_setup_range_protection(volatile u32 *ctl, u64 end_addr)
static void sifive_ddr_setup_range_protection(volatile u32 *ctl, u64 end_addr)
{
u32 end_addr_16kblocks = ((end_addr >> 14) & 0x7FFFFF) - 1;
@ -135,8 +135,8 @@ static void fu540_ddr_setup_range_protection(volatile u32 *ctl, u64 end_addr)
0x1 << PORT_ADDR_PROTECTION_EN_OFFSET);
}
static void fu540_ddr_start(volatile u32 *ctl, u32 *physical_filter_ctrl,
u64 ddr_end)
static void sifive_ddr_start(volatile u32 *ctl, u32 *physical_filter_ctrl,
u64 ddr_end)
{
volatile u64 *filterreg = (volatile u64 *)physical_filter_ctrl;
@ -149,7 +149,7 @@ static void fu540_ddr_start(volatile u32 *ctl, u32 *physical_filter_ctrl,
filterreg[0] = 0x0f00000000000000UL | (ddr_end >> 2);
}
static void fu540_ddr_check_errata(u32 regbase, u32 updownreg)
static void sifive_ddr_check_errata(u32 regbase, u32 updownreg)
{
u64 fails = 0;
u32 dq = 0;
@ -202,7 +202,7 @@ static void fu540_ddr_check_errata(u32 regbase, u32 updownreg)
}
}
static u64 fu540_ddr_phy_fixup(volatile u32 *ddrphyreg)
static u64 sifive_ddr_phy_fixup(volatile u32 *ddrphyreg)
{
u32 slicebase = 0;
@ -213,7 +213,7 @@ static u64 fu540_ddr_phy_fixup(volatile u32 *ddrphyreg)
for (u32 reg = 0; reg < 4; reg++) {
u32 updownreg = readl(regbase + reg + ddrphyreg);
fu540_ddr_check_errata(regbase, updownreg);
sifive_ddr_check_errata(regbase, updownreg);
}
slicebase += 128;
}
@ -221,18 +221,18 @@ static u64 fu540_ddr_phy_fixup(volatile u32 *ddrphyreg)
return(0);
}
static u32 fu540_ddr_get_dram_class(volatile u32 *ctl)
static u32 sifive_ddr_get_dram_class(volatile u32 *ctl)
{
u32 reg = readl(DENALI_CTL_0 + ctl);
return ((reg >> DRAM_CLASS_OFFSET) & 0xF);
}
static int fu540_ddr_setup(struct udevice *dev)
static int sifive_ddr_setup(struct udevice *dev)
{
struct fu540_ddr_info *priv = dev_get_priv(dev);
struct sifive_ddr_info *priv = dev_get_priv(dev);
struct sifive_dmc_plat *plat = dev_get_plat(dev);
struct fu540_ddr_params *params = &plat->ddr_params;
struct sifive_ddr_params *params = &plat->ddr_params;
volatile u32 *denali_ctl = priv->ctl->denali_ctl;
volatile u32 *denali_phy = priv->phy->denali_phy;
const u64 ddr_size = priv->info.size;
@ -251,7 +251,7 @@ static int fu540_ddr_setup(struct udevice *dev)
sdram_copy_to_reg(priv->ctl->denali_ctl,
params->pctl_regs.denali_ctl,
sizeof(struct fu540_ddrctl));
sizeof(struct sifive_ddrctl));
/* phy reset */
for (i = DENALI_PHY_1152; i <= DENALI_PHY_1214; i++) {
@ -285,7 +285,7 @@ static int fu540_ddr_setup(struct udevice *dev)
setbits_le32(DENALI_CTL_182 + denali_ctl,
1 << DFI_PHY_RDLVL_GATE_MODE_OFFSET);
if (fu540_ddr_get_dram_class(denali_ctl) == DRAM_CLASS_DDR4) {
if (sifive_ddr_get_dram_class(denali_ctl) == DRAM_CLASS_DDR4) {
/* Enable vref training DENALI_CTL_184 */
setbits_le32(DENALI_CTL_184 + denali_ctl, 1 << VREF_EN_OFFSET);
}
@ -302,15 +302,15 @@ static int fu540_ddr_setup(struct udevice *dev)
| (1 << MULTIPLE_OUT_OF_RANGE_OFFSET));
/* set up range protection */
fu540_ddr_setup_range_protection(denali_ctl, priv->info.size);
sifive_ddr_setup_range_protection(denali_ctl, priv->info.size);
/* Mask off port command error interrupt DENALI_CTL_136 */
setbits_le32(DENALI_CTL_136 + denali_ctl,
1 << PORT_COMMAND_CHANNEL_ERROR_OFFSET);
fu540_ddr_start(denali_ctl, priv->physical_filter_ctrl, ddr_end);
sifive_ddr_start(denali_ctl, priv->physical_filter_ctrl, ddr_end);
fu540_ddr_phy_fixup(denali_phy);
sifive_ddr_phy_fixup(denali_phy);
/* check size */
priv->info.size = get_ram_size((long *)priv->info.base,
@ -329,9 +329,9 @@ static int fu540_ddr_setup(struct udevice *dev)
}
#endif
static int fu540_ddr_probe(struct udevice *dev)
static int sifive_ddr_probe(struct udevice *dev)
{
struct fu540_ddr_info *priv = dev_get_priv(dev);
struct sifive_ddr_info *priv = dev_get_priv(dev);
/* Read memory base and size from DT */
fdtdec_setup_mem_size_base();
@ -342,7 +342,7 @@ static int fu540_ddr_probe(struct udevice *dev)
int ret;
u32 clock = 0;
debug("FU540 DDR probe\n");
debug("sifive DDR probe\n");
priv->dev = dev;
ret = clk_get_by_index(dev, 0, &priv->ddr_clk);
@ -369,42 +369,43 @@ static int fu540_ddr_probe(struct udevice *dev)
return ret;
}
priv->ctl = (struct fu540_ddrctl *)dev_read_addr_index(dev, 0);
priv->phy = (struct fu540_ddrphy *)dev_read_addr_index(dev, 1);
priv->ctl = (struct sifive_ddrctl *)dev_read_addr_index(dev, 0);
priv->phy = (struct sifive_ddrphy *)dev_read_addr_index(dev, 1);
priv->physical_filter_ctrl = (u32 *)dev_read_addr_index(dev, 2);
return fu540_ddr_setup(dev);
return sifive_ddr_setup(dev);
#endif
return 0;
}
static int fu540_ddr_get_info(struct udevice *dev, struct ram_info *info)
static int sifive_ddr_get_info(struct udevice *dev, struct ram_info *info)
{
struct fu540_ddr_info *priv = dev_get_priv(dev);
struct sifive_ddr_info *priv = dev_get_priv(dev);
*info = priv->info;
return 0;
}
static struct ram_ops fu540_ddr_ops = {
.get_info = fu540_ddr_get_info,
static struct ram_ops sifive_ddr_ops = {
.get_info = sifive_ddr_get_info,
};
static const struct udevice_id fu540_ddr_ids[] = {
static const struct udevice_id sifive_ddr_ids[] = {
{ .compatible = "sifive,fu540-c000-ddr" },
{ .compatible = "sifive,fu740-c000-ddr" },
{ }
};
U_BOOT_DRIVER(fu540_ddr) = {
.name = "fu540_ddr",
U_BOOT_DRIVER(sifive_ddr) = {
.name = "sifive_ddr",
.id = UCLASS_RAM,
.of_match = fu540_ddr_ids,
.ops = &fu540_ddr_ops,
.probe = fu540_ddr_probe,
.priv_auto = sizeof(struct fu540_ddr_info),
.of_match = sifive_ddr_ids,
.ops = &sifive_ddr_ops,
.probe = sifive_ddr_probe,
.priv_auto = sizeof(struct sifive_ddr_info),
#if defined(CONFIG_SPL_BUILD)
.plat_auto = sizeof(struct sifive_dmc_plat),
.plat_auto = sizeof(struct sifive_dmc_plat),
#endif
};