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Merge https://source.denx.de/u-boot/custodians/u-boot-riscv

Browse source 
+ Fix compilation error for CI when enabling RTL8169 driver
+ Fix compilation error for pci_mmc.c by adding acpi_table header file
+ Support video console and usb keyboard on RISC-V QEMU virt machine
+ Support StarFive JH7110 PCIe driver
+ Enable PCI on Unmatched board
This commit is contained in:
Tom Rini 2023-08-02 12:13:16 -04:00
commit 38dedebc54
20 changed files with 755 additions and 64 deletions
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11
arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi
View file

@ -7,6 +7,7 @@
#include "jh7110.dtsi"
#include <dt-bindings/pinctrl/pinctrl-starfive-jh7110.h>
#include <dt-bindings/gpio/gpio.h>
/ {
aliases {
serial0 = &uart0;
@ -308,6 +309,16 @@
};
};
&pcie0 {
reset-gpios = <&sysgpio 26 GPIO_ACTIVE_LOW>;
status = "disabled";
};
&pcie1 {
reset-gpios = <&sysgpio 28 GPIO_ACTIVE_LOW>;
status = "okay";
};
&syscrg {
assigned-clocks = <&syscrg JH7110_SYSCLK_CPU_ROOT>,
<&syscrg JH7110_SYSCLK_BUS_ROOT>,

74
arch/riscv/dts/jh7110.dtsi
View file

@ -648,5 +648,79 @@
gpio-controller;
#gpio-cells = <2>;
};
pcie0: pcie@2b000000 {
compatible = "starfive,jh7110-pcie";
reg = <0x0 0x2b000000 0x0 0x1000000
0x9 0x40000000 0x0 0x10000000>;
reg-names = "reg", "config";
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
ranges = <0x82000000 0x0 0x30000000 0x0 0x30000000 0x0 0x08000000>,
<0xc3000000 0x9 0x00000000 0x9 0x00000000 0x0 0x40000000>;
interrupts = <56>;
interrupt-parent = <&plic>;
interrupt-map-mask = <0x0 0x0 0x0 0x7>;
interrupt-map = <0x0 0x0 0x0 0x1 &plic 0x1>,
<0x0 0x0 0x0 0x2 &plic 0x2>,
<0x0 0x0 0x0 0x3 &plic 0x3>,
<0x0 0x0 0x0 0x4 &plic 0x4>;
msi-parent = <&plic>;
device_type = "pci";
starfive,stg-syscon = <&stg_syscon 0xc0 0xc4 0x130 0x1b8>;
bus-range = <0x0 0xff>;
clocks = <&syscrg JH7110_SYSCLK_NOC_BUS_STG_AXI>,
<&stgcrg JH7110_STGCLK_PCIE0_TL>,
<&stgcrg JH7110_STGCLK_PCIE0_AXI>,
<&stgcrg JH7110_STGCLK_PCIE0_APB>;
clock-names = "noc", "tl", "axi", "apb";
resets = <&stgcrg JH7110_STGRST_PCIE0_MST0>,
<&stgcrg JH7110_STGRST_PCIE0_SLV0>,
<&stgcrg JH7110_STGRST_PCIE0_SLV>,
<&stgcrg JH7110_STGRST_PCIE0_BRG>,
<&stgcrg JH7110_STGRST_PCIE0_CORE>,
<&stgcrg JH7110_STGRST_PCIE0_APB>;
reset-names = "mst0", "slv0", "slv", "brg",
"core", "apb";
status = "disabled";
};
pcie1: pcie@2c000000 {
compatible = "starfive,jh7110-pcie";
reg = <0x0 0x2c000000 0x0 0x1000000
0x9 0xc0000000 0x0 0x10000000>;
reg-names = "reg", "config";
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
ranges = <0x82000000 0x0 0x38000000 0x0 0x38000000 0x0 0x08000000>,
<0xc3000000 0x9 0x80000000 0x9 0x80000000 0x0 0x40000000>;
interrupts = <57>;
interrupt-parent = <&plic>;
interrupt-map-mask = <0x0 0x0 0x0 0x7>;
interrupt-map = <0x0 0x0 0x0 0x1 &plic 0x1>,
<0x0 0x0 0x0 0x2 &plic 0x2>,
<0x0 0x0 0x0 0x3 &plic 0x3>,
<0x0 0x0 0x0 0x4 &plic 0x4>;
msi-parent = <&plic>;
device_type = "pci";
starfive,stg-syscon = <&stg_syscon 0x270 0x274 0x2e0 0x368>;
bus-range = <0x0 0xff>;
clocks = <&syscrg JH7110_SYSCLK_NOC_BUS_STG_AXI>,
<&stgcrg JH7110_STGCLK_PCIE1_TL>,
<&stgcrg JH7110_STGCLK_PCIE1_AXI>,
<&stgcrg JH7110_STGCLK_PCIE1_APB>;
clock-names = "noc", "tl", "axi", "apb";
resets = <&stgcrg JH7110_STGRST_PCIE1_MST0>,
<&stgcrg JH7110_STGRST_PCIE1_SLV0>,
<&stgcrg JH7110_STGRST_PCIE1_SLV>,
<&stgcrg JH7110_STGRST_PCIE1_BRG>,
<&stgcrg JH7110_STGRST_PCIE1_CORE>,
<&stgcrg JH7110_STGRST_PCIE1_APB>;
reset-names = "mst0", "slv0", "slv", "brg",
"core", "apb";
status = "disabled";
};
};
};

11
arch/riscv/include/asm/acpi_table.h Normal file
View file

@ -0,0 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __ASM_ACPI_TABLE_H__
#define __ASM_ACPI_TABLE_H__
/*
* This file is needed by some drivers.
* We will fill it when adding ACPI support for RISC-V.
*/
#endif /* __ASM_ACPI_TABLE_H__ */

13
board/emulation/qemu-riscv/Kconfig
View file

@ -25,6 +25,10 @@ config SPL_OPENSBI_LOAD_ADDR
hex
default 0x80100000
config PRE_CON_BUF_ADDR
hex
default 0x81000000
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select GENERIC_RISCV
@ -68,5 +72,14 @@ config BOARD_SPECIFIC_OPTIONS # dummy
imply MTD_NOR_FLASH
imply CFI_FLASH
imply OF_HAS_PRIOR_STAGE
imply VIDEO
imply VIDEO_BOCHS
imply SYS_WHITE_ON_BLACK
imply PRE_CONSOLE_BUFFER
imply USB
imply USB_XHCI_HCD
imply USB_XHCI_PCI
imply USB_KEYBOARD
imply CMD_USB
endif

27
board/emulation/qemu-riscv/qemu-riscv.c
View file

@ -12,6 +12,7 @@
#include <log.h>
#include <spl.h>
#include <init.h>
#include <usb.h>
#include <virtio_types.h>
#include <virtio.h>
@ -41,29 +42,9 @@ int board_init(void)
int board_late_init(void)
{
ulong kernel_start;
ofnode chosen_node;
int ret;
chosen_node = ofnode_path("/chosen");
if (!ofnode_valid(chosen_node)) {
debug("No chosen node found, can't get kernel start address\n");
return 0;
}
#ifdef CONFIG_ARCH_RV64I
ret = ofnode_read_u64(chosen_node, "riscv,kernel-start",
(u64 *)&kernel_start);
#else
ret = ofnode_read_u32(chosen_node, "riscv,kernel-start",
(u32 *)&kernel_start);
#endif
if (ret) {
debug("Can't find kernel start address in device tree\n");
return 0;
}
env_set_hex("kernel_start", kernel_start);
/* start usb so that usb keyboard can be used as input device */
if (CONFIG_IS_ENABLED(USB_KEYBOARD))
usb_init();
return 0;
}

2
common/Kconfig
View file

@ -226,7 +226,7 @@ config CONSOLE_FLUSH_SUPPORT
config CONSOLE_MUX
bool "Enable console multiplexing"
default y if VIDEO || VIDEO || LCD
default y if VIDEO || LCD
help
This allows multiple devices to be used for each console 'file'.
For example, stdout can be set to go to serial and video.

44
common/console.c
View file

@ -1010,29 +1010,41 @@ int console_init_f(void)
return 0;
}
void stdio_print_current_devices(void)
static void stdio_print_current_devices(void)
{
char *stdinname, *stdoutname, *stderrname;
if (CONFIG_IS_ENABLED(CONSOLE_MUX) &&
CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)) {
/* stdin stdout and stderr are in environment */
stdinname = env_get("stdin");
stdoutname = env_get("stdout");
stderrname = env_get("stderr");
stdinname = stdinname ? : "No input devices available!";
stdoutname = stdoutname ? : "No output devices available!";
stderrname = stderrname ? : "No error devices available!";
} else {
stdinname = stdio_devices[stdin] ?
stdio_devices[stdin]->name :
"No input devices available!";
stdoutname = stdio_devices[stdout] ?
stdio_devices[stdout]->name :
"No output devices available!";
stderrname = stdio_devices[stderr] ?
stdio_devices[stderr]->name :
"No error devices available!";
}
/* Print information */
puts("In: ");
if (stdio_devices[stdin] == NULL) {
puts("No input devices available!\n");
} else {
printf ("%s\n", stdio_devices[stdin]->name);
}
printf("%s\n", stdinname);
puts("Out: ");
if (stdio_devices[stdout] == NULL) {
puts("No output devices available!\n");
} else {
printf ("%s\n", stdio_devices[stdout]->name);
}
printf("%s\n", stdoutname);
puts("Err: ");
if (stdio_devices[stderr] == NULL) {
puts("No error devices available!\n");
} else {
printf ("%s\n", stdio_devices[stderr]->name);
}
printf("%s\n", stderrname);
}
#if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV)

1
configs/sifive_unmatched_defconfig
View file

@ -31,6 +31,7 @@ CONFIG_DISPLAY_CPUINFO=y
CONFIG_DISPLAY_BOARDINFO=y
CONFIG_DISPLAY_BOARDINFO_LATE=y
CONFIG_ID_EEPROM=y
CONFIG_PCI_INIT_R=y
CONFIG_SPL_MAX_SIZE=0x100000
CONFIG_SPL_BSS_START_ADDR=0x85000000
# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set

8
configs/starfive_visionfive2_defconfig
View file

@ -19,6 +19,8 @@ CONFIG_SPL=y
CONFIG_SPL_SPI_FLASH_SUPPORT=y
CONFIG_SPL_SPI=y
CONFIG_SYS_LOAD_ADDR=0x82000000
CONFIG_SYS_PCI_64BIT=y
CONFIG_PCI=y
CONFIG_TARGET_STARFIVE_VISIONFIVE2=y
CONFIG_SPL_OPENSBI_LOAD_ADDR=0x40000000
CONFIG_ARCH_RV64I=y
@ -62,6 +64,7 @@ CONFIG_SYS_EEPROM_PAGE_WRITE_BITS=4
CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS=5
CONFIG_CMD_MEMINFO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_PCI=y
CONFIG_CMD_TFTPPUT=y
CONFIG_OF_BOARD=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
@ -92,6 +95,11 @@ CONFIG_DWC_ETH_QOS=y
CONFIG_DWC_ETH_QOS_STARFIVE=y
CONFIG_RGMII=y
CONFIG_RMII=y
CONFIG_RTL8169=y
CONFIG_NVME_PCI=y
CONFIG_DM_PCI_COMPAT=y
CONFIG_PCI_REGION_MULTI_ENTRY=y
CONFIG_PCIE_STARFIVE_JH7110=y
CONFIG_PINCTRL=y
CONFIG_PINCONF=y
CONFIG_SPL_PINCTRL=y

10
doc/board/emulation/qemu-riscv.rst
View file

@ -133,6 +133,16 @@ An attached disk can be emulated in RISC-V virt machine by adding::
You will have to run 'scsi scan' to use it.
A video console can be emulated in RISC-V virt machine by removing "-nographic"
and adding::
-serial stdio -device VGA
In addition, a usb keyboard can be attached to an emulated xHCI controller in
RISC-V virt machine as an option of input devices by adding::
-device qemu-xhci,id=xhci -device usb-kbd,bus=xhci.0
Running with KVM
----------------

9
drivers/i2c/Kconfig
View file

@ -231,6 +231,15 @@ config SYS_I2C_DW
controller is used in various SoCs, e.g. the ST SPEAr, Altera
SoCFPGA, Synopsys ARC700 and some Intel x86 SoCs.
config SYS_I2C_DW_PCI
bool "Designware PCI I2C Controller"
depends on SYS_I2C_DW && PCI && ACPIGEN
default y
help
Say yes here to select the Designware PCI I2C Host Controller.
This PCI I2C controller is the base on Desigware I2C host
controller.
config SYS_I2C_AST2600
bool "AST2600 I2C Controller"
depends on DM_I2C && ARCH_ASPEED

4
drivers/i2c/Makefile
View file

@ -18,9 +18,7 @@ obj-$(CONFIG_SYS_I2C_CADENCE) += i2c-cdns.o
obj-$(CONFIG_SYS_I2C_CA) += i2c-cortina.o
obj-$(CONFIG_SYS_I2C_DAVINCI) += davinci_i2c.o
obj-$(CONFIG_SYS_I2C_DW) += designware_i2c.o
ifdef CONFIG_PCI
obj-$(CONFIG_SYS_I2C_DW) += designware_i2c_pci.o
endif
obj-$(CONFIG_SYS_I2C_DW_PCI) += designware_i2c_pci.o
obj-$(CONFIG_SYS_I2C_FSL) += fsl_i2c.o
obj-$(CONFIG_SYS_I2C_IHS) += ihs_i2c.o
obj-$(CONFIG_SYS_I2C_INTEL) += intel_i2c.o

22
drivers/net/rtl8169.c
View file

@ -96,12 +96,12 @@ static int media[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 };
#define TX_TIMEOUT (6*HZ)
/* write/read MMIO register. Notice: {read,write}[wl] do the necessary swapping */
#define RTL_W8(reg, val8) writeb((val8), ioaddr + (reg))
#define RTL_W16(reg, val16) writew((val16), ioaddr + (reg))
#define RTL_W32(reg, val32) writel((val32), ioaddr + (reg))
#define RTL_R8(reg) readb(ioaddr + (reg))
#define RTL_R16(reg) readw(ioaddr + (reg))
#define RTL_R32(reg) readl(ioaddr + (reg))
#define RTL_W8(reg, val8) writeb((val8), (void *)(ioaddr + (reg)))
#define RTL_W16(reg, val16) writew((val16), (void *)(ioaddr + (reg)))
#define RTL_W32(reg, val32) writel((val32), (void *)(ioaddr + (reg)))
#define RTL_R8(reg) readb((void *)(ioaddr + (reg)))
#define RTL_R16(reg) readw((void *)(ioaddr + (reg)))
#define RTL_R32(reg) readl((void *)(ioaddr + (reg)))
#define bus_to_phys(a) pci_mem_to_phys((pci_dev_t)(unsigned long)dev->priv, \
(pci_addr_t)(unsigned long)a)
@ -311,10 +311,12 @@ static unsigned char rxdata[RX_BUF_LEN];
*
* This can be fixed by defining CONFIG_SYS_NONCACHED_MEMORY which will cause
* the driver to allocate descriptors from a pool of non-cached memory.
*
* Hardware maintain D-cache coherency in RISC-V architecture.
*/
#if RTL8169_DESC_SIZE < ARCH_DMA_MINALIGN
#if !defined(CONFIG_SYS_NONCACHED_MEMORY) && \
!CONFIG_IS_ENABLED(SYS_DCACHE_OFF) && !defined(CONFIG_X86)
!CONFIG_IS_ENABLED(SYS_DCACHE_OFF) && !defined(CONFIG_X86) && !defined(CONFIG_RISCV)
#warning cache-line size is larger than descriptor size
#endif
#endif
@ -351,10 +353,11 @@ static const unsigned int rtl8169_rx_config =
(RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
static struct pci_device_id supported[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8125) },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8161) },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167) },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168) },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169) },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8125) },
{}
};
@ -1049,8 +1052,9 @@ static int rtl8169_eth_probe(struct udevice *dev)
int ret;
switch (pplat->device) {
case 0x8168:
case 0x8125:
case 0x8161:
case 0x8168:
region = 2;
break;
default:

13
drivers/pci/Kconfig
View file

@ -393,4 +393,17 @@ config PCIE_XILINX_NWL
Say 'Y' here if you want support for Xilinx / AMD NWL PCIe
controller as Root Port.
config PCIE_PLDA_COMMON
bool
config PCIE_STARFIVE_JH7110
bool "Enable Starfive JH7110 PCIe driver"
select PCIE_PLDA_COMMON
imply STARFIVE_JH7110
imply CLK_JH7110
imply RESET_JH7110
help
Say Y here if you want to enable PLDA XpressRich PCIe controller
support on StarFive JH7110 SoC.
endif

2
drivers/pci/Makefile
View file

@ -50,3 +50,5 @@ obj-$(CONFIG_PCIE_OCTEON) += pcie_octeon.o
obj-$(CONFIG_PCIE_DW_SIFIVE) += pcie_dw_sifive.o
obj-$(CONFIG_PCIE_UNIPHIER) += pcie_uniphier.o
obj-$(CONFIG_PCIE_XILINX_NWL) += pcie-xilinx-nwl.o
obj-$(CONFIG_PCIE_PLDA_COMMON) += pcie_plda_common.o
obj-$(CONFIG_PCIE_STARFIVE_JH7110) += pcie_starfive_jh7110.o

116
drivers/pci/pcie_plda_common.c Normal file
View file

@ -0,0 +1,116 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* PLDA XpressRich PCIe host controller common functions.
*
* Copyright (C) 2023 StarFive Technology Co., Ltd.
*
*/
#include <common.h>
#include <clk.h>
#include <dm.h>
#include <pci.h>
#include <pci_ids.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <dm/device_compat.h>
#include <linux/delay.h>
#include <linux/iopoll.h>
#include "pcie_plda_common.h"
static bool plda_pcie_addr_valid(struct pcie_plda *plda, pci_dev_t bdf)
{
/*
* Single device limitation.
* PCIe controller contain HW issue that secondary bus of
* host bridge emumerate duplicate devices.
* Only can access device 0 in secondary bus.
*/
if (PCI_BUS(bdf) == plda->sec_busno && PCI_DEV(bdf) > 0)
return false;
return true;
}
static int plda_pcie_conf_address(const struct udevice *udev, pci_dev_t bdf,
uint offset, void **paddr)
{
struct pcie_plda *priv = dev_get_priv(udev);
int where = PCIE_ECAM_OFFSET(PCI_BUS(bdf), PCI_DEV(bdf),
PCI_FUNC(bdf), offset);
if (!plda_pcie_addr_valid(priv, bdf))
return -ENODEV;
*paddr = (void *)(priv->cfg_base + where);
return 0;
}
int plda_pcie_config_read(const struct udevice *udev, pci_dev_t bdf,
uint offset, ulong *valuep,
enum pci_size_t size)
{
return pci_generic_mmap_read_config(udev, plda_pcie_conf_address,
bdf, offset, valuep, size);
}
int plda_pcie_config_write(struct udevice *udev, pci_dev_t bdf,
uint offset, ulong value,
enum pci_size_t size)
{
struct pcie_plda *priv = dev_get_priv(udev);
int ret;
ret = pci_generic_mmap_write_config(udev, plda_pcie_conf_address,
bdf, offset, value, size);
/* record secondary bus number */
if (!ret && PCI_BUS(bdf) == dev_seq(udev) &&
PCI_DEV(bdf) == 0 && PCI_FUNC(bdf) == 0 &&
(offset == PCI_SECONDARY_BUS ||
(offset == PCI_PRIMARY_BUS && size != PCI_SIZE_8))) {
priv->sec_busno =
((offset == PCI_PRIMARY_BUS) ? (value >> 8) : value) & 0xff;
debug("Secondary bus number was changed to %d\n",
priv->sec_busno);
}
return ret;
}
int plda_pcie_set_atr_entry(struct pcie_plda *plda, phys_addr_t src_addr,
phys_addr_t trsl_addr, phys_size_t window_size,
int trsl_param)
{
void __iomem *base =
plda->reg_base + XR3PCI_ATR_AXI4_SLV0;
/* Support AXI4 Slave 0 Address Translation Tables 0-7. */
if (plda->atr_table_num >= XR3PCI_ATR_MAX_TABLE_NUM) {
dev_err(plda->dev, "ATR table number %d exceeds max num\n",
plda->atr_table_num);
return -EINVAL;
}
base += XR3PCI_ATR_TABLE_OFFSET * plda->atr_table_num;
plda->atr_table_num++;
/*
* X3PCI_ATR_SRC_ADDR_LOW:
* - bit 0: enable entry,
* - bits 1-6: ATR window size: total size in bytes: 2^(ATR_WSIZE + 1)
* - bits 7-11: reserved
* - bits 12-31: start of source address
*/
writel((lower_32_bits(src_addr) & XR3PCI_ATR_SRC_ADDR_MASK) |
(fls(window_size) - 1) << XR3PCI_ATR_SRC_WIN_SIZE_SHIFT | 1,
base + XR3PCI_ATR_SRC_ADDR_LOW);
writel(upper_32_bits(src_addr), base + XR3PCI_ATR_SRC_ADDR_HIGH);
writel((lower_32_bits(trsl_addr) & XR3PCI_ATR_TRSL_ADDR_MASK),
base + XR3PCI_ATR_TRSL_ADDR_LOW);
writel(upper_32_bits(trsl_addr), base + XR3PCI_ATR_TRSL_ADDR_HIGH);
writel(trsl_param, base + XR3PCI_ATR_TRSL_PARAM);
dev_dbg(plda->dev, "ATR entry: 0x%010llx %s 0x%010llx [0x%010llx] (param: 0x%06x)\n",
src_addr, (trsl_param & XR3PCI_ATR_TRSL_DIR) ? "<-" : "->",
trsl_addr, (u64)window_size, trsl_param);
return 0;
}

118
drivers/pci/pcie_plda_common.h Normal file
View file

@ -0,0 +1,118 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2023 StarFive Technology Co., Ltd.
* Author: Minda Chen <minda.chen@starfivetech.com>
*
*/
#ifndef PCIE_PLDA_COMMON_H
#define PCIE_PLDA_COMMON_H
#define GEN_SETTINGS 0x80
#define PCIE_PCI_IDS 0x9C
#define PCIE_WINROM 0xFC
#define PMSG_SUPPORT_RX 0x3F0
#define PCI_MISC 0xB4
#define PLDA_EP_ENABLE 0
#define PLDA_RP_ENABLE 1
#define IDS_CLASS_CODE_SHIFT 8
#define PREF_MEM_WIN_64_SUPPORT BIT(3)
#define PMSG_LTR_SUPPORT BIT(2)
#define PLDA_FUNCTION_DIS BIT(15)
#define PLDA_FUNC_NUM 4
#define PLDA_PHY_FUNC_SHIFT 9
#define XR3PCI_ATR_AXI4_SLV0 0x800
#define XR3PCI_ATR_SRC_ADDR_LOW 0x0
#define XR3PCI_ATR_SRC_ADDR_HIGH 0x4
#define XR3PCI_ATR_TRSL_ADDR_LOW 0x8
#define XR3PCI_ATR_TRSL_ADDR_HIGH 0xc
#define XR3PCI_ATR_TRSL_PARAM 0x10
#define XR3PCI_ATR_TABLE_OFFSET 0x20
#define XR3PCI_ATR_MAX_TABLE_NUM 8
#define XR3PCI_ATR_SRC_WIN_SIZE_SHIFT 1
#define XR3PCI_ATR_SRC_ADDR_MASK GENMASK(31, 12)
#define XR3PCI_ATR_TRSL_ADDR_MASK GENMASK(31, 12)
#define XR3PCI_ATR_TRSL_DIR BIT(22)
/* IDs used in the XR3PCI_ATR_TRSL_PARAM */
#define XR3PCI_ATR_TRSLID_PCIE_MEMORY 0x0
#define XR3PCI_ATR_TRSLID_PCIE_CONFIG 0x1
/**
* struct pcie_plda - PLDA PCIe controller state
*
* @reg_base: The base address of controller register space
* @cfg_base: The base address of configuration space
* @cfg_size: The size of configuration space
* @sec_busno: Secondary bus number.
* @atr_table_num: Total ATR table numbers.
*/
struct pcie_plda {
struct udevice *dev;
void __iomem *reg_base;
void __iomem *cfg_base;
phys_size_t cfg_size;
int sec_busno;
int atr_table_num;
};
int plda_pcie_config_read(const struct udevice *udev, pci_dev_t bdf,
uint offset, ulong *valuep,
enum pci_size_t size);
int plda_pcie_config_write(struct udevice *udev, pci_dev_t bdf,
uint offset, ulong value,
enum pci_size_t size);
int plda_pcie_set_atr_entry(struct pcie_plda *plda, phys_addr_t src_addr,
phys_addr_t trsl_addr, phys_size_t window_size,
int trsl_param);
static inline void plda_pcie_enable_root_port(struct pcie_plda *plda)
{
u32 value;
value = readl(plda->reg_base + GEN_SETTINGS);
value |= PLDA_RP_ENABLE;
writel(value, plda->reg_base + GEN_SETTINGS);
}
static inline void plda_pcie_set_standard_class(struct pcie_plda *plda)
{
u32 value;
value = readl(plda->reg_base + PCIE_PCI_IDS);
value &= 0xff;
value |= (PCI_CLASS_BRIDGE_PCI_NORMAL << IDS_CLASS_CODE_SHIFT);
writel(value, plda->reg_base + PCIE_PCI_IDS);
}
static inline void plda_pcie_set_pref_win_64bit(struct pcie_plda *plda)
{
u32 value;
value = readl(plda->reg_base + PCIE_WINROM);
value |= PREF_MEM_WIN_64_SUPPORT;
writel(value, plda->reg_base + PCIE_WINROM);
}
static inline void plda_pcie_disable_ltr(struct pcie_plda *plda)
{
u32 value;
value = readl(plda->reg_base + PMSG_SUPPORT_RX);
value &= ~PMSG_LTR_SUPPORT;
writel(value, plda->reg_base + PMSG_SUPPORT_RX);
}
static inline void plda_pcie_disable_func(struct pcie_plda *plda)
{
u32 value;
value = readl(plda->reg_base + PCI_MISC);
value |= PLDA_FUNCTION_DIS;
writel(value, plda->reg_base + PCI_MISC);
}
#endif

317
drivers/pci/pcie_starfive_jh7110.c Normal file
View file

@ -0,0 +1,317 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* StarFive PLDA PCIe host controller driver
*
* Copyright (C) 2023 StarFive Technology Co., Ltd.
* Author: Mason Huo <mason.huo@starfivetech.com>
*
*/
#include <common.h>
#include <clk.h>
#include <dm.h>
#include <pci.h>
#include <pci_ids.h>
#include <power-domain.h>
#include <regmap.h>
#include <reset.h>
#include <syscon.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm-generic/gpio.h>
#include <dm/device_compat.h>
#include <dm/pinctrl.h>
#include <linux/delay.h>
#include <linux/iopoll.h>
#include "pcie_plda_common.h"
/* system control */
#define STG_SYSCON_K_RP_NEP_MASK BIT(8)
#define STG_SYSCON_AXI4_SLVL_ARFUNC_MASK GENMASK(22, 8)
#define STG_SYSCON_AXI4_SLVL_ARFUNC_SHIFT 8
#define STG_SYSCON_AXI4_SLVL_AWFUNC_MASK GENMASK(14, 0)
#define STG_SYSCON_CLKREQ_MASK BIT(22)
#define STG_SYSCON_CKREF_SRC_SHIFT 18
#define STG_SYSCON_CKREF_SRC_MASK GENMASK(19, 18)
DECLARE_GLOBAL_DATA_PTR;
struct starfive_pcie {
struct pcie_plda plda;
struct clk_bulk clks;
struct reset_ctl_bulk rsts;
struct gpio_desc reset_gpio;
struct regmap *regmap;
u32 stg_arfun;
u32 stg_awfun;
u32 stg_rp_nep;
};
static int starfive_pcie_atr_init(struct starfive_pcie *priv)
{
struct udevice *ctlr = pci_get_controller(priv->plda.dev);
struct pci_controller *hose = dev_get_uclass_priv(ctlr);
int i, ret;
/*
* As the two host bridges in JH7110 soc have the same default
* address translation table, this cause the second root port can't
* access it's host bridge config space correctly.
* To workaround, config the ATR of host bridge config space by SW.
*/
ret = plda_pcie_set_atr_entry(&priv->plda,
(phys_addr_t)priv->plda.cfg_base, 0,
priv->plda.cfg_size,
XR3PCI_ATR_TRSLID_PCIE_CONFIG);
if (ret)
return ret;
for (i = 0; i < hose->region_count; i++) {
if (hose->regions[i].flags == PCI_REGION_SYS_MEMORY)
continue;
/* Only support identity mappings. */
if (hose->regions[i].bus_start !=
hose->regions[i].phys_start)
return -EINVAL;
ret = plda_pcie_set_atr_entry(&priv->plda,
hose->regions[i].phys_start,
hose->regions[i].bus_start,
hose->regions[i].size,
XR3PCI_ATR_TRSLID_PCIE_MEMORY);
if (ret)
return ret;
}
return 0;
}
static int starfive_pcie_get_syscon(struct udevice *dev)
{
struct starfive_pcie *priv = dev_get_priv(dev);
struct udevice *syscon;
struct ofnode_phandle_args syscfg_phandle;
u32 cells[4];
int ret;
/* get corresponding syscon phandle */
ret = dev_read_phandle_with_args(dev, "starfive,stg-syscon", NULL, 0, 0,
&syscfg_phandle);
if (ret < 0) {
dev_err(dev, "Can't get syscfg phandle: %d\n", ret);
return ret;
}
ret = uclass_get_device_by_ofnode(UCLASS_SYSCON, syscfg_phandle.node,
&syscon);
if (ret) {
dev_err(dev, "Unable to find syscon device (%d)\n", ret);
return ret;
}
priv->regmap = syscon_get_regmap(syscon);
if (!priv->regmap) {
dev_err(dev, "Unable to find regmap\n");
return -ENODEV;
}
/* get syscon register offset */
ret = dev_read_u32_array(dev, "starfive,stg-syscon",
cells, ARRAY_SIZE(cells));
if (ret) {
dev_err(dev, "Get syscon register err %d\n", ret);
return -EINVAL;
}
dev_dbg(dev, "Get syscon values: %x, %x, %x\n",
cells[1], cells[2], cells[3]);
priv->stg_arfun = cells[1];
priv->stg_awfun = cells[2];
priv->stg_rp_nep = cells[3];
return 0;
}
static int starfive_pcie_parse_dt(struct udevice *dev)
{
struct starfive_pcie *priv = dev_get_priv(dev);
int ret;
priv->plda.reg_base = (void *)dev_read_addr_name(dev, "reg");
if (priv->plda.reg_base == (void __iomem *)FDT_ADDR_T_NONE) {
dev_err(dev, "Missing required reg address range\n");
return -EINVAL;
}
priv->plda.cfg_base =
(void *)dev_read_addr_size_name(dev,
"config",
&priv->plda.cfg_size);
if (priv->plda.cfg_base == (void __iomem *)FDT_ADDR_T_NONE) {
dev_err(dev, "Missing required config address range");
return -EINVAL;
}
ret = starfive_pcie_get_syscon(dev);
if (ret) {
dev_err(dev, "Can't get syscon: %d\n", ret);
return ret;
}
ret = reset_get_bulk(dev, &priv->rsts);
if (ret) {
dev_err(dev, "Can't get reset: %d\n", ret);
return ret;
}
ret = clk_get_bulk(dev, &priv->clks);
if (ret) {
dev_err(dev, "Can't get clock: %d\n", ret);
return ret;
}
ret = gpio_request_by_name(dev, "reset-gpios", 0, &priv->reset_gpio,
GPIOD_IS_OUT);
if (ret) {
dev_err(dev, "Can't get reset-gpio: %d\n", ret);
return ret;
}
if (!dm_gpio_is_valid(&priv->reset_gpio)) {
dev_err(dev, "reset-gpio is not valid\n");
return -EINVAL;
}
return 0;
}
static int starfive_pcie_init_port(struct udevice *dev)
{
int ret, i;
struct starfive_pcie *priv = dev_get_priv(dev);
struct pcie_plda *plda = &priv->plda;
ret = clk_enable_bulk(&priv->clks);
if (ret) {
dev_err(dev, "Failed to enable clks (ret=%d)\n", ret);
return ret;
}
ret = reset_deassert_bulk(&priv->rsts);
if (ret) {
dev_err(dev, "Failed to deassert resets (ret=%d)\n", ret);
goto err_deassert_clk;
}
dm_gpio_set_value(&priv->reset_gpio, 1);
/* Disable physical functions except #0 */
for (i = 1; i < PLDA_FUNC_NUM; i++) {
regmap_update_bits(priv->regmap,
priv->stg_arfun,
STG_SYSCON_AXI4_SLVL_ARFUNC_MASK,
(i << PLDA_PHY_FUNC_SHIFT) <<
STG_SYSCON_AXI4_SLVL_ARFUNC_SHIFT);
regmap_update_bits(priv->regmap,
priv->stg_awfun,
STG_SYSCON_AXI4_SLVL_AWFUNC_MASK,
i << PLDA_PHY_FUNC_SHIFT);
plda_pcie_disable_func(plda);
}
/* Disable physical functions */
regmap_update_bits(priv->regmap,
priv->stg_arfun,
STG_SYSCON_AXI4_SLVL_ARFUNC_MASK,
0);
regmap_update_bits(priv->regmap,
priv->stg_awfun,
STG_SYSCON_AXI4_SLVL_AWFUNC_MASK,
0);
plda_pcie_enable_root_port(plda);
/* PCIe PCI Standard Configuration Identification Settings. */
plda_pcie_set_standard_class(plda);
/*
* The LTR message forwarding of PCIe Message Reception was set by core
* as default, but the forward id & addr are also need to be reset.
* If we do not disable LTR message forwarding here, or set a legal
* forwarding address, the kernel will get stuck after this driver probe.
* To workaround, disable the LTR message forwarding support on
* PCIe Message Reception.
*/
plda_pcie_disable_ltr(plda);
/* Prefetchable memory window 64-bit addressing support */
plda_pcie_set_pref_win_64bit(plda);
starfive_pcie_atr_init(priv);
dm_gpio_set_value(&priv->reset_gpio, 0);
/* Ensure that PERST in default at least 300 ms */
mdelay(300);
return 0;
err_deassert_clk:
clk_disable_bulk(&priv->clks);
return ret;
}
static int starfive_pcie_probe(struct udevice *dev)
{
struct starfive_pcie *priv = dev_get_priv(dev);
int ret;
priv->plda.atr_table_num = 0;
priv->plda.dev = dev;
ret = starfive_pcie_parse_dt(dev);
if (ret)
return ret;
regmap_update_bits(priv->regmap,
priv->stg_rp_nep,
STG_SYSCON_K_RP_NEP_MASK,
STG_SYSCON_K_RP_NEP_MASK);
regmap_update_bits(priv->regmap,
priv->stg_awfun,
STG_SYSCON_CKREF_SRC_MASK,
2 << STG_SYSCON_CKREF_SRC_SHIFT);
regmap_update_bits(priv->regmap,
priv->stg_awfun,
STG_SYSCON_CLKREQ_MASK,
STG_SYSCON_CLKREQ_MASK);
ret = starfive_pcie_init_port(dev);
if (ret)
return ret;
dev_err(dev, "Starfive PCIe bus probed.\n");
return 0;
}
static const struct dm_pci_ops starfive_pcie_ops = {
.read_config = plda_pcie_config_read,
.write_config = plda_pcie_config_write,
};
static const struct udevice_id starfive_pcie_ids[] = {
{ .compatible = "starfive,jh7110-pcie" },
{ }
};
U_BOOT_DRIVER(starfive_pcie_drv) = {
.name = "starfive_7110_pcie",
.id = UCLASS_PCI,
.of_match = starfive_pcie_ids,
.ops = &starfive_pcie_ops,
.probe = starfive_pcie_probe,
.priv_auto = sizeof(struct starfive_pcie),
};

15
include/configs/qemu-riscv.h
View file

@ -17,24 +17,19 @@
/* Environment options */
#define CFG_STD_DEVICES_SETTINGS "stdin=serial,usbkbd\0" \
"stdout=serial,vidconsole\0" \
"stderr=serial,vidconsole\0"
#define BOOT_TARGET_DEVICES(func) \
func(QEMU, qemu, na) \
func(VIRTIO, virtio, 0) \
func(SCSI, scsi, 0) \
func(DHCP, dhcp, na)
#include <config_distro_bootcmd.h>
#define BOOTENV_DEV_QEMU(devtypeu, devtypel, instance) \
"bootcmd_qemu=" \
"if env exists kernel_start; then " \
"bootm ${kernel_start} - ${fdtcontroladdr};" \
"fi;\0"
#define BOOTENV_DEV_NAME_QEMU(devtypeu, devtypel, instance) \
"qemu "
#define CFG_EXTRA_ENV_SETTINGS \
CFG_STD_DEVICES_SETTINGS \
"fdt_high=0xffffffffffffffff\0" \
"initrd_high=0xffffffffffffffff\0" \
"kernel_addr_r=0x84000000\0" \

2
include/stdio_dev.h
View file

@ -84,8 +84,6 @@ int stdio_init_tables(void);
*/
int stdio_add_devices(void);
void stdio_print_current_devices(void);
/**
* stdio_deregister_dev() - deregister the device "devname".
*