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Xilinx changes for v2021.10-rc1

Browse source 
xilinx:
 - Use default ENVL_NOWHERE configuration
 - Add support for handling compressed kernels
 
 zynqmp:
 - SPL malloc size extension
 - USB2.0 for zc1751 dc2
 - Fix USB3.0 nodes
 - Handle lpd_lsbus clock
 - Cleanup macros around SYSRESET
 
 versal:
 - Remove PBSIZE macro
 
 zynq_sdhci:
 - Tap delay fixups
 
 net:
 - Add support for MRMAC
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Merge tag 'xilinx-for-v2021.10-rc1' of https://source.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx changes for v2021.10-rc1

xilinx:
- Use default ENVL_NOWHERE configuration
- Add support for handling compressed kernels

zynqmp:
- SPL malloc size extension
- USB2.0 for zc1751 dc2
- Fix USB3.0 nodes
- Handle lpd_lsbus clock
- Cleanup macros around SYSRESET

versal:
- Remove PBSIZE macro

zynq_sdhci:
- Tap delay fixups

net:
- Add support for MRMAC
This commit is contained in:
Tom Rini 2021-07-26 12:09:32 -04:00
commit e013b72701
31 changed files with 950 additions and 151 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
MAINTAINERS
View file

@ -545,6 +545,7 @@ M: Michal Simek <michal.simek@xilinx.com>
S: Maintained
T: git https://source.denx.de/u-boot/custodians/u-boot-microblaze.git
F: arch/arm/mach-versal/
F: drivers/net/xilinx_axi_mrmac.*
F: drivers/watchdog/xilinx_wwdt.c
N: (?<!uni)versal

4
arch/arm/dts/zynqmp-p-a2197-00-revA.dts
View file

@ -545,6 +545,8 @@
status = "okay";
xlnx,usb-polarity = <0>;
xlnx,usb-reset-mode = <0>;
phy-names = "usb3-phy";
phys = <&psgtr 1 PHY_TYPE_USB3 0 1>;
};
&dwc3_0 {
@ -553,8 +555,6 @@
snps,dis_u2_susphy_quirk;
snps,dis_u3_susphy_quirk;
maximum-speed = "super-speed";
phy-names = "usb3-phy";
phys = <&psgtr 1 PHY_TYPE_USB3 0 1>;
};
&usb1 {

4
arch/arm/dts/zynqmp-sck-kv-g-revA.dts
View file

@ -125,6 +125,8 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 1>;
usbhub: usb5744 { /* u43 */
compatible = "microchip,usb5744";
reset-gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
@ -135,8 +137,6 @@
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 1>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-sck-kv-g-revB.dts
View file

@ -109,14 +109,14 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 1>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 1>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts
View file

@ -424,14 +424,14 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};

2
arch/arm/dts/zynqmp-zc1751-xm016-dc2.dts
View file

@ -535,8 +535,6 @@
&dwc3_1 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
maximum-speed = "super-speed";
};
&uart0 {

8
arch/arm/dts/zynqmp-zc1751-xm017-dc3.dts
View file

@ -221,27 +221,27 @@
&usb0 {
status = "okay";
phy-names = "usb3-phy";
phys = <&psgtr 0 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 0 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};
/* ULPI SMSC USB3320 */
&usb1 {
status = "okay";
phy-names = "usb3-phy";
phys = <&psgtr 3 PHY_TYPE_USB3 1 2>;
};
&dwc3_1 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 3 PHY_TYPE_USB3 1 2>;
maximum-speed = "super-speed";
};

8
arch/arm/dts/zynqmp-zcu100-revC.dts
View file

@ -561,13 +561,13 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 0>;
};
&dwc3_0 {
status = "okay";
dr_mode = "peripheral";
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 0>;
maximum-speed = "super-speed";
};
@ -576,13 +576,13 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1_default>;
phy-names = "usb3-phy";
phys = <&psgtr 3 PHY_TYPE_USB3 1 0>;
};
&dwc3_1 {
status = "okay";
dr_mode = "host";
phy-names = "usb3-phy";
phys = <&psgtr 3 PHY_TYPE_USB3 1 0>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-zcu102-revA.dts
View file

@ -1019,14 +1019,14 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-zcu104-revA.dts
View file

@ -502,14 +502,14 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-zcu104-revC.dts
View file

@ -514,14 +514,14 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-zcu106-revA.dts
View file

@ -1012,14 +1012,14 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-zcu111-revA.dts
View file

@ -849,14 +849,14 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0_default>;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-zcu208-revA.dts
View file

@ -692,13 +692,13 @@
/* ULPI SMSC USB3320 */
&usb0 {
status = "okay";
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};

4
arch/arm/dts/zynqmp-zcu216-revA.dts
View file

@ -696,13 +696,13 @@
/* ULPI SMSC USB3320 */
&usb0 {
status = "okay";
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
};
&dwc3_0 {
status = "okay";
dr_mode = "host";
snps,usb3_lpm_capable;
phy-names = "usb3-phy";
phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
maximum-speed = "super-speed";
};

6
board/xilinx/zynq/board.c
View file

@ -134,18 +134,18 @@ enum env_location env_get_location(enum env_operation op, int prio)
return ENVL_FAT;
if (IS_ENABLED(CONFIG_ENV_IS_IN_EXT4))
return ENVL_EXT4;
return ENVL_UNKNOWN;
return ENVL_NOWHERE;
case ZYNQ_BM_NAND:
if (IS_ENABLED(CONFIG_ENV_IS_IN_NAND))
return ENVL_NAND;
if (IS_ENABLED(CONFIG_ENV_IS_IN_UBI))
return ENVL_UBI;
return ENVL_UNKNOWN;
return ENVL_NOWHERE;
case ZYNQ_BM_NOR:
case ZYNQ_BM_QSPI:
if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
return ENVL_SPI_FLASH;
return ENVL_UNKNOWN;
return ENVL_NOWHERE;
case ZYNQ_BM_JTAG:
default:
return ENVL_NOWHERE;

73
board/xilinx/zynqmp/tap_delays.c
View file

@ -50,48 +50,51 @@ void zynqmp_dll_reset(u8 deviceid)
zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, 0x0);
}
void arasan_zynqmp_set_tapdelay(u8 deviceid, u32 itap_delay, u32 otap_delay)
void arasan_zynqmp_set_in_tapdelay(u8 deviceid, u32 itap_delay)
{
if (deviceid == 0) {
zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK,
SD0_DLL_RST);
/* Program ITAP */
if (itap_delay) {
zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK,
SD0_ITAPCHGWIN);
zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYENA_MASK,
SD0_ITAPDLYENA);
zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYSEL_MASK,
itap_delay);
zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK,
0x0);
}
zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, SD0_DLL_RST);
/* Program OTAP */
if (otap_delay)
zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK,
otap_delay);
/* Program ITAP delay */
zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK,
SD0_ITAPCHGWIN);
zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYENA_MASK,
SD0_ITAPDLYENA);
zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYSEL_MASK, itap_delay);
zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, 0x0);
zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, 0x0);
} else {
zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK,
SD1_DLL_RST);
/* Program ITAP */
if (itap_delay) {
zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK,
SD1_ITAPCHGWIN);
zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYENA_MASK,
SD1_ITAPDLYENA);
zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYSEL_MASK,
(itap_delay << 16));
zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK,
0x0);
}
zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, SD1_DLL_RST);
/* Program OTAP */
if (otap_delay)
zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK,
(otap_delay << 16));
/* Program ITAP delay */
zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK,
SD1_ITAPCHGWIN);
zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYENA_MASK,
SD1_ITAPDLYENA);
zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYSEL_MASK,
(itap_delay << 16));
zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, 0x0);
zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, 0x0);
}
}
void arasan_zynqmp_set_out_tapdelay(u8 deviceid, u32 otap_delay)
{
if (deviceid == 0) {
zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, SD0_DLL_RST);
/* Program OTAP delay */
zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, otap_delay);
zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, 0x0);
} else {
zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, SD1_DLL_RST);
/* Program OTAP delay */
zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK,
(otap_delay << 16));
zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, 0x0);
}

8
board/xilinx/zynqmp/zynqmp.c
View file

@ -499,9 +499,11 @@ int dram_init(void)
}
#endif
#if !CONFIG_IS_ENABLED(SYSRESET)
void reset_cpu(void)
{
}
#endif
static u8 __maybe_unused zynqmp_get_bootmode(void)
{
@ -797,18 +799,18 @@ enum env_location env_get_location(enum env_operation op, int prio)
return ENVL_FAT;
if (IS_ENABLED(CONFIG_ENV_IS_IN_EXT4))
return ENVL_EXT4;
return ENVL_UNKNOWN;
return ENVL_NOWHERE;
case NAND_MODE:
if (IS_ENABLED(CONFIG_ENV_IS_IN_NAND))
return ENVL_NAND;
if (IS_ENABLED(CONFIG_ENV_IS_IN_UBI))
return ENVL_UBI;
return ENVL_UNKNOWN;
return ENVL_NOWHERE;
case QSPI_MODE_24BIT:
case QSPI_MODE_32BIT:
if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
return ENVL_SPI_FLASH;
return ENVL_UNKNOWN;
return ENVL_NOWHERE;
case JTAG_MODE:
default:
return ENVL_NOWHERE;

1
configs/xilinx_versal_virt_defconfig
View file

@ -90,6 +90,7 @@ CONFIG_PHY_VITESSE=y
CONFIG_PHY_FIXED=y
CONFIG_PHY_GIGE=y
CONFIG_XILINX_AXIEMAC=y
CONFIG_XILINX_AXIMRMAC=y
CONFIG_ZYNQ_GEM=y
CONFIG_ARM_DCC=y
CONFIG_PL01X_SERIAL=y

3
configs/xilinx_zynqmp_virt_defconfig
View file

@ -157,6 +157,9 @@ CONFIG_ZYNQ_SERIAL=y
CONFIG_SPI=y
CONFIG_ZYNQ_SPI=y
CONFIG_ZYNQMP_GQSPI=y
CONFIG_SYSRESET=y
CONFIG_SYSRESET_CMD_POWEROFF=y
CONFIG_SYSRESET_PSCI=y
CONFIG_TPM2_TIS_SPI=y
CONFIG_USB=y
CONFIG_USB_XHCI_HCD=y

1
drivers/clk/clk_zynqmp.c
View file

@ -813,6 +813,7 @@ static int zynqmp_clk_enable(struct clk *clk)
mask = 0x3;
break;
case qspi_ref ... can1_ref:
case lpd_lsbus:
clkact_shift = 24;
mask = 0x1;
break;

2
drivers/firmware/psci.c
View file

@ -210,7 +210,7 @@ void psci_sys_poweroff(void)
invoke_psci_fn(PSCI_0_2_FN_SYSTEM_OFF, 0, 0, 0);
}
#ifdef CONFIG_CMD_POWEROFF
#if IS_ENABLED(CONFIG_CMD_POWEROFF) && !IS_ENABLED(CONFIG_SYSRESET_CMD_POWEROFF)
int do_poweroff(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
do_psci_probe();

144
drivers/mmc/zynq_sdhci.c
View file

@ -19,11 +19,13 @@
#include <sdhci.h>
#include <zynqmp_tap_delay.h>
#define SDHCI_ARASAN_ITAPDLY_REGISTER 0xF0F8
#define SDHCI_ARASAN_OTAPDLY_REGISTER 0xF0FC
#define SDHCI_ITAPDLY_CHGWIN 0x200
#define SDHCI_ITAPDLY_ENABLE 0x100
#define SDHCI_OTAPDLY_ENABLE 0x40
#define SDHCI_ARASAN_ITAPDLY_REGISTER 0xF0F8
#define SDHCI_ARASAN_ITAPDLY_SEL_MASK GENMASK(7, 0)
#define SDHCI_ARASAN_OTAPDLY_REGISTER 0xF0FC
#define SDHCI_ARASAN_OTAPDLY_SEL_MASK GENMASK(5, 0)
#define SDHCI_ITAPDLY_CHGWIN BIT(9)
#define SDHCI_ITAPDLY_ENABLE BIT(8)
#define SDHCI_OTAPDLY_ENABLE BIT(6)
#define SDHCI_TUNING_LOOP_COUNT 40
#define MMC_BANK2 0x2
@ -48,12 +50,16 @@ struct arasan_sdhci_priv {
#if defined(CONFIG_ARCH_ZYNQMP) || defined(CONFIG_ARCH_VERSAL)
/* Default settings for ZynqMP Clock Phases */
const u32 zynqmp_iclk_phases[] = {0, 63, 63, 0, 63, 0, 0, 183, 54, 0, 0};
const u32 zynqmp_oclk_phases[] = {0, 72, 60, 0, 60, 72, 135, 48, 72, 135, 0};
static const u32 zynqmp_iclk_phases[] = {0, 63, 63, 0, 63, 0,
0, 183, 54, 0, 0};
static const u32 zynqmp_oclk_phases[] = {0, 72, 60, 0, 60, 72,
135, 48, 72, 135, 0};
/* Default settings for Versal Clock Phases */
const u32 versal_iclk_phases[] = {0, 132, 132, 0, 132, 0, 0, 162, 90, 0, 0};
const u32 versal_oclk_phases[] = {0, 60, 48, 0, 48, 72, 90, 36, 60, 90, 0};
static const u32 versal_iclk_phases[] = {0, 132, 132, 0, 132,
0, 0, 162, 90, 0, 0};
static const u32 versal_oclk_phases[] = {0, 60, 48, 0, 48, 72,
90, 36, 60, 90, 0};
static const u8 mode2timing[] = {
[MMC_LEGACY] = MMC_TIMING_LEGACY,
@ -179,11 +185,11 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode)
/**
* sdhci_zynqmp_sdcardclk_set_phase - Set the SD Output Clock Tap Delays
*
* Set the SD Output Clock Tap Delays for Output path
*
* @host: Pointer to the sdhci_host structure.
* @degrees: The clock phase shift between 0 - 359.
* Return: 0 on success and error value on error
* Return: 0
*
* Set the SD Output Clock Tap Delays for Output path
*/
static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host,
int degrees)
@ -191,7 +197,6 @@ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host,
struct arasan_sdhci_priv *priv = dev_get_priv(host->mmc->dev);
struct mmc *mmc = (struct mmc *)host->mmc;
u8 tap_delay, tap_max = 0;
int ret;
int timing = mode2timing[mmc->selected_mode];
/*
@ -199,9 +204,7 @@ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host,
* ZynqMP does not set phase for <=25MHz clock.
* If degrees is zero, no need to do anything.
*/
if (SDHCI_GET_VERSION(host) < SDHCI_SPEC_300 ||
timing == MMC_TIMING_LEGACY ||
timing == MMC_TIMING_UHS_SDR12 || !degrees)
if (SDHCI_GET_VERSION(host) < SDHCI_SPEC_300)
return 0;
switch (timing) {
@ -227,19 +230,22 @@ static int sdhci_zynqmp_sdcardclk_set_phase(struct sdhci_host *host,
tap_delay = (degrees * tap_max) / 360;
arasan_zynqmp_set_tapdelay(priv->deviceid, 0, tap_delay);
/* Limit output tap_delay value to 6 bits */
tap_delay &= SDHCI_ARASAN_OTAPDLY_SEL_MASK;
return ret;
arasan_zynqmp_set_out_tapdelay(priv->deviceid, tap_delay);
return 0;
}
/**
* sdhci_zynqmp_sampleclk_set_phase - Set the SD Input Clock Tap Delays
*
* Set the SD Input Clock Tap Delays for Input path
*
* @host: Pointer to the sdhci_host structure.
* @degrees: The clock phase shift between 0 - 359.
* Return: 0 on success and error value on error
* Return: 0
*
* Set the SD Input Clock Tap Delays for Input path
*/
static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host,
int degrees)
@ -247,7 +253,6 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host,
struct arasan_sdhci_priv *priv = dev_get_priv(host->mmc->dev);
struct mmc *mmc = (struct mmc *)host->mmc;
u8 tap_delay, tap_max = 0;
int ret;
int timing = mode2timing[mmc->selected_mode];
/*
@ -255,9 +260,7 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host,
* ZynqMP does not set phase for <=25MHz clock.
* If degrees is zero, no need to do anything.
*/
if (SDHCI_GET_VERSION(host) < SDHCI_SPEC_300 ||
timing == MMC_TIMING_LEGACY ||
timing == MMC_TIMING_UHS_SDR12 || !degrees)
if (SDHCI_GET_VERSION(host) < SDHCI_SPEC_300)
return 0;
switch (timing) {
@ -283,36 +286,37 @@ static int sdhci_zynqmp_sampleclk_set_phase(struct sdhci_host *host,
tap_delay = (degrees * tap_max) / 360;
arasan_zynqmp_set_tapdelay(priv->deviceid, tap_delay, 0);
/* Limit input tap_delay value to 8 bits */
tap_delay &= SDHCI_ARASAN_ITAPDLY_SEL_MASK;
return ret;
arasan_zynqmp_set_in_tapdelay(priv->deviceid, tap_delay);
return 0;
}
/**
* sdhci_versal_sdcardclk_set_phase - Set the SD Output Clock Tap Delays
*
* Set the SD Output Clock Tap Delays for Output path
*
* @host: Pointer to the sdhci_host structure.
* @degrees The clock phase shift between 0 - 359.
* Return: 0 on success and error value on error
* @degrees: The clock phase shift between 0 - 359.
* Return: 0
*
* Set the SD Output Clock Tap Delays for Output path
*/
static int sdhci_versal_sdcardclk_set_phase(struct sdhci_host *host,
int degrees)
{
struct mmc *mmc = (struct mmc *)host->mmc;
u8 tap_delay, tap_max = 0;
int ret;
int timing = mode2timing[mmc->selected_mode];
u32 regval;
/*
* This is applicable for SDHCI_SPEC_300 and above
* Versal does not set phase for <=25MHz clock.
* If degrees is zero, no need to do anything.
*/
if (SDHCI_GET_VERSION(host) < SDHCI_SPEC_300 ||
timing == MMC_TIMING_LEGACY ||
timing == MMC_TIMING_UHS_SDR12 || !degrees)
if (SDHCI_GET_VERSION(host) < SDHCI_SPEC_300)
return 0;
switch (timing) {
@ -338,45 +342,43 @@ static int sdhci_versal_sdcardclk_set_phase(struct sdhci_host *host,
tap_delay = (degrees * tap_max) / 360;
/* Limit output tap_delay value to 6 bits */
tap_delay &= SDHCI_ARASAN_OTAPDLY_SEL_MASK;
/* Set the Clock Phase */
if (tap_delay) {
u32 regval;
regval = sdhci_readl(host, SDHCI_ARASAN_OTAPDLY_REGISTER);
regval |= SDHCI_OTAPDLY_ENABLE;
sdhci_writel(host, regval, SDHCI_ARASAN_OTAPDLY_REGISTER);
regval &= ~SDHCI_ARASAN_OTAPDLY_SEL_MASK;
regval |= tap_delay;
sdhci_writel(host, regval, SDHCI_ARASAN_OTAPDLY_REGISTER);
regval = sdhci_readl(host, SDHCI_ARASAN_OTAPDLY_REGISTER);
regval |= SDHCI_OTAPDLY_ENABLE;
sdhci_writel(host, regval, SDHCI_ARASAN_OTAPDLY_REGISTER);
regval |= tap_delay;
sdhci_writel(host, regval, SDHCI_ARASAN_OTAPDLY_REGISTER);
}
return ret;
return 0;
}
/**
* sdhci_versal_sampleclk_set_phase - Set the SD Input Clock Tap Delays
*
* Set the SD Input Clock Tap Delays for Input path
*
* @host: Pointer to the sdhci_host structure.
* @degrees The clock phase shift between 0 - 359.
* Return: 0 on success and error value on error
* @degrees: The clock phase shift between 0 - 359.
* Return: 0
*
* Set the SD Input Clock Tap Delays for Input path
*/
static int sdhci_versal_sampleclk_set_phase(struct sdhci_host *host,
int degrees)
{
struct mmc *mmc = (struct mmc *)host->mmc;
u8 tap_delay, tap_max = 0;
int ret;
int timing = mode2timing[mmc->selected_mode];
u32 regval;
/*
* This is applicable for SDHCI_SPEC_300 and above
* Versal does not set phase for <=25MHz clock.
* If degrees is zero, no need to do anything.
*/
if (SDHCI_GET_VERSION(host) < SDHCI_SPEC_300 ||
timing == MMC_TIMING_LEGACY ||
timing == MMC_TIMING_UHS_SDR12 || !degrees)
if (SDHCI_GET_VERSION(host) < SDHCI_SPEC_300)
return 0;
switch (timing) {
@ -402,22 +404,22 @@ static int sdhci_versal_sampleclk_set_phase(struct sdhci_host *host,
tap_delay = (degrees * tap_max) / 360;
/* Limit input tap_delay value to 8 bits */
tap_delay &= SDHCI_ARASAN_ITAPDLY_SEL_MASK;
/* Set the Clock Phase */
if (tap_delay) {
u32 regval;
regval = sdhci_readl(host, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval |= SDHCI_ITAPDLY_CHGWIN;
sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval |= SDHCI_ITAPDLY_ENABLE;
sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval &= ~SDHCI_ARASAN_ITAPDLY_SEL_MASK;
regval |= tap_delay;
sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval &= ~SDHCI_ITAPDLY_CHGWIN;
sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval = sdhci_readl(host, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval |= SDHCI_ITAPDLY_CHGWIN;
sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval |= SDHCI_ITAPDLY_ENABLE;
sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval |= tap_delay;
sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
regval &= ~SDHCI_ITAPDLY_CHGWIN;
sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
}
return ret;
return 0;
}
static void arasan_sdhci_set_tapdelay(struct sdhci_host *host)
@ -469,9 +471,9 @@ static void arasan_dt_read_clk_phase(struct udevice *dev, unsigned char timing,
/**
* arasan_dt_parse_clk_phases - Read Tap Delay values from DT
*
* Called at initialization to parse the values of Tap Delays.
*
* @dev: Pointer to our struct udevice.
*
* Called at initialization to parse the values of Tap Delays.
*/
static void arasan_dt_parse_clk_phases(struct udevice *dev)
{
@ -543,8 +545,8 @@ static void arasan_sdhci_set_control_reg(struct sdhci_host *host)
sdhci_set_uhs_timing(host);
}
const struct sdhci_ops arasan_ops = {
.platform_execute_tuning = &arasan_sdhci_execute_tuning,
static const struct sdhci_ops arasan_ops = {
.platform_execute_tuning = &arasan_sdhci_execute_tuning,
.set_delay = &arasan_sdhci_set_tapdelay,
.set_control_reg = &arasan_sdhci_set_control_reg,
};

9
drivers/net/Kconfig
View file

@ -618,6 +618,15 @@ config XILINX_AXIEMAC
help
This MAC is present in Xilinx Microblaze, Zynq and ZynqMP SoCs.
config XILINX_AXIMRMAC
depends on DM_ETH && ARCH_VERSAL
bool "Xilinx AXI MRMAC"
help
MRMAC is a high performance, low latency, adaptable Ethernet
integrated hard IP. This can be configured up to four ports with MAC
rates from 10GE to 100GE. This could be present in some of the Xilinx
Versal designs.
config XILINX_EMACLITE
depends on DM_ETH
select PHYLIB

1
drivers/net/Makefile
View file

@ -79,6 +79,7 @@ obj-$(CONFIG_FMAN_ENET) += fsl_mdio.o
obj-$(CONFIG_ULI526X) += uli526x.o
obj-$(CONFIG_VSC7385_ENET) += vsc7385.o
obj-$(CONFIG_XILINX_AXIEMAC) += xilinx_axi_emac.o
obj-$(CONFIG_XILINX_AXIMRMAC) += xilinx_axi_mrmac.o
obj-$(CONFIG_XILINX_EMACLITE) += xilinx_emaclite.o
obj-$(CONFIG_ZYNQ_GEM) += zynq_gem.o
obj-$(CONFIG_FSL_MC_ENET) += fsl-mc/

564
drivers/net/xilinx_axi_mrmac.c Normal file
View file

@ -0,0 +1,564 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Xilinx Multirate Ethernet MAC(MRMAC) driver
*
* Author(s): Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
* Michal Simek <michal.simek@xilinx.com>
*
* Copyright (C) 2021 Xilinx, Inc. All rights reserved.
*/
#include <config.h>
#include <common.h>
#include <cpu_func.h>
#include <dm.h>
#include <log.h>
#include <net.h>
#include <malloc.h>
#include <wait_bit.h>
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include "xilinx_axi_mrmac.h"
static void axi_mrmac_dma_write(struct mcdma_bd *bd, u32 *desc)
{
if (IS_ENABLED(CONFIG_PHYS_64BIT))
writeq((unsigned long)bd, desc);
else
writel((uintptr_t)bd, desc);
}
/**
* axi_mrmac_ethernet_init - MRMAC init function
* @priv: MRMAC private structure
*
* Return: 0 on success, negative value on errors
*
* This function is called to reset and initialize MRMAC core. This is
* typically called during initialization. It does a reset of MRMAC Rx/Tx
* channels and Rx/Tx SERDES. It configures MRMAC speed based on mrmac_rate
* which is read from DT. This function waits for block lock bit to get set,
* if it is not set within 100ms time returns a timeout error.
*/
static int axi_mrmac_ethernet_init(struct axi_mrmac_priv *priv)
{
struct mrmac_regs *regs = priv->iobase;
u32 reg;
u32 ret;
/* Perform all the RESET's required */
setbits_le32(&regs->reset, MRMAC_RX_SERDES_RST_MASK | MRMAC_RX_RST_MASK
| MRMAC_TX_SERDES_RST_MASK | MRMAC_TX_RST_MASK);
mdelay(MRMAC_RESET_DELAY);
/* Configure Mode register */
reg = readl(&regs->mode);
log_debug("Configuring MRMAC speed to %d\n", priv->mrmac_rate);
if (priv->mrmac_rate == SPEED_25000) {
reg &= ~MRMAC_CTL_RATE_CFG_MASK;
reg |= MRMAC_CTL_DATA_RATE_25G;
reg |= (MRMAC_CTL_AXIS_CFG_25G_IND << MRMAC_CTL_AXIS_CFG_SHIFT);
reg |= (MRMAC_CTL_SERDES_WIDTH_25G <<
MRMAC_CTL_SERDES_WIDTH_SHIFT);
} else {
reg &= ~MRMAC_CTL_RATE_CFG_MASK;
reg |= MRMAC_CTL_DATA_RATE_10G;
reg |= (MRMAC_CTL_AXIS_CFG_10G_IND << MRMAC_CTL_AXIS_CFG_SHIFT);
reg |= (MRMAC_CTL_SERDES_WIDTH_10G <<
MRMAC_CTL_SERDES_WIDTH_SHIFT);
}
/* For tick reg */
reg |= MRMAC_CTL_PM_TICK_MASK;
writel(reg, &regs->mode);
clrbits_le32(&regs->reset, MRMAC_RX_SERDES_RST_MASK | MRMAC_RX_RST_MASK
| MRMAC_TX_SERDES_RST_MASK | MRMAC_TX_RST_MASK);
mdelay(MRMAC_RESET_DELAY);
/* Setup MRMAC hardware options */
setbits_le32(&regs->rx_config, MRMAC_RX_DEL_FCS_MASK);
setbits_le32(&regs->tx_config, MRMAC_TX_INS_FCS_MASK);
setbits_le32(&regs->tx_config, MRMAC_TX_EN_MASK);
setbits_le32(&regs->rx_config, MRMAC_RX_EN_MASK);
/* Check for block lock bit to be set. This ensures that
* MRMAC ethernet IP is functioning normally.
*/
writel(MRMAC_STS_ALL_MASK, (phys_addr_t)priv->iobase +
MRMAC_TX_STS_OFFSET);
writel(MRMAC_STS_ALL_MASK, (phys_addr_t)priv->iobase +
MRMAC_RX_STS_OFFSET);
writel(MRMAC_STS_ALL_MASK, (phys_addr_t)priv->iobase +
MRMAC_STATRX_BLKLCK_OFFSET);
ret = wait_for_bit_le32((u32 *)((phys_addr_t)priv->iobase +
MRMAC_STATRX_BLKLCK_OFFSET),
MRMAC_RX_BLKLCK_MASK, true,
MRMAC_BLKLCK_TIMEOUT, true);
if (ret) {
log_warning("Error: MRMAC block lock not complete!\n");
return -EIO;
}
writel(MRMAC_TICK_TRIGGER, &regs->tick_reg);
return 0;
}
/**
* axi_mcdma_init - Reset MCDMA engine
* @priv: MRMAC private structure
*
* Return: 0 on success, negative value on timeouts
*
* This function is called to reset and initialize MCDMA engine
*/
static int axi_mcdma_init(struct axi_mrmac_priv *priv)
{
u32 ret;
/* Reset the engine so the hardware starts from a known state */
writel(XMCDMA_CR_RESET, &priv->mm2s_cmn->control);
writel(XMCDMA_CR_RESET, &priv->s2mm_cmn->control);
/* Check Tx/Rx MCDMA.RST. Reset is done when the reset bit is low */
ret = wait_for_bit_le32(&priv->mm2s_cmn->control, XMCDMA_CR_RESET,
false, MRMAC_DMARST_TIMEOUT, true);
if (ret) {
log_warning("Tx MCDMA reset Timeout\n");
return -ETIMEDOUT;
}
ret = wait_for_bit_le32(&priv->s2mm_cmn->control, XMCDMA_CR_RESET,
false, MRMAC_DMARST_TIMEOUT, true);
if (ret) {
log_warning("Rx MCDMA reset Timeout\n");
return -ETIMEDOUT;
}
/* Enable channel 1 for Tx and Rx */
writel(XMCDMA_CHANNEL_1, &priv->mm2s_cmn->chen);
writel(XMCDMA_CHANNEL_1, &priv->s2mm_cmn->chen);
return 0;
}
/**
* axi_mrmac_start - MRMAC start
* @dev: udevice structure
*
* Return: 0 on success, negative value on errors
*
* This is a initialization function of MRMAC. Call MCDMA initialization
* function and setup Rx buffer descriptors for starting reception of packets.
* Enable Tx and Rx channels and trigger Rx channel fetch.
*/
static int axi_mrmac_start(struct udevice *dev)
{
struct axi_mrmac_priv *priv = dev_get_priv(dev);
struct mrmac_regs *regs = priv->iobase;
/*
* Initialize MCDMA engine. MCDMA engine must be initialized before
* MRMAC. During MCDMA engine initialization, MCDMA hardware is reset,
* since MCDMA reset line is connected to MRMAC, this would ensure a
* reset of MRMAC.
*/
axi_mcdma_init(priv);
/* Initialize MRMAC hardware */
if (axi_mrmac_ethernet_init(priv))
return -EIO;
/* Disable all Rx interrupts before RxBD space setup */
clrbits_le32(&priv->mcdma_rx->control, XMCDMA_IRQ_ALL_MASK);
/* Update current descriptor */
axi_mrmac_dma_write(priv->rx_bd[0], &priv->mcdma_rx->current);
/* Setup Rx BD. MRMAC needs atleast two descriptors */
memset(priv->rx_bd[0], 0, RX_BD_TOTAL_SIZE);
priv->rx_bd[0]->next_desc = lower_32_bits((u64)priv->rx_bd[1]);
priv->rx_bd[0]->buf_addr = lower_32_bits((u64)net_rx_packets[0]);
priv->rx_bd[1]->next_desc = lower_32_bits((u64)priv->rx_bd[0]);
priv->rx_bd[1]->buf_addr = lower_32_bits((u64)net_rx_packets[1]);
if (IS_ENABLED(CONFIG_PHYS_64BIT)) {
priv->rx_bd[0]->next_desc_msb = upper_32_bits((u64)priv->rx_bd[1]);
priv->rx_bd[0]->buf_addr_msb = upper_32_bits((u64)net_rx_packets[0]);
priv->rx_bd[1]->next_desc_msb = upper_32_bits((u64)priv->rx_bd[0]);
priv->rx_bd[1]->buf_addr_msb = upper_32_bits((u64)net_rx_packets[1]);
}
priv->rx_bd[0]->cntrl = PKTSIZE_ALIGN;
priv->rx_bd[1]->cntrl = PKTSIZE_ALIGN;
/* Flush the last BD so DMA core could see the updates */
flush_cache((phys_addr_t)priv->rx_bd[0], RX_BD_TOTAL_SIZE);
/* It is necessary to flush rx buffers because if you don't do it
* then cache can contain uninitialized data
*/
flush_cache((phys_addr_t)priv->rx_bd[0]->buf_addr, RX_BUFF_TOTAL_SIZE);
/* Start the hardware */
setbits_le32(&priv->s2mm_cmn->control, XMCDMA_CR_RUNSTOP_MASK);
setbits_le32(&priv->mm2s_cmn->control, XMCDMA_CR_RUNSTOP_MASK);
setbits_le32(&priv->mcdma_rx->control, XMCDMA_IRQ_ALL_MASK);
/* Channel fetch */
setbits_le32(&priv->mcdma_rx->control, XMCDMA_CR_RUNSTOP_MASK);
/* Update tail descriptor. Now it's ready to receive data */
axi_mrmac_dma_write(priv->rx_bd[1], &priv->mcdma_rx->tail);
/* Enable Tx */
setbits_le32(&regs->tx_config, MRMAC_TX_EN_MASK);
/* Enable Rx */
setbits_le32(&regs->rx_config, MRMAC_RX_EN_MASK);
return 0;
}
/**
* axi_mrmac_send - MRMAC Tx function
* @dev: udevice structure
* @ptr: pointer to Tx buffer
* @len: transfer length
*
* Return: 0 on success, negative value on errors
*
* This is a Tx send function of MRMAC. Setup Tx buffer descriptors and trigger
* transfer. Wait till the data is transferred.
*/
static int axi_mrmac_send(struct udevice *dev, void *ptr, int len)
{
struct axi_mrmac_priv *priv = dev_get_priv(dev);
u32 ret;
#ifdef DEBUG
print_buffer(ptr, ptr, 1, len, 16);
#endif
if (len > PKTSIZE_ALIGN)
len = PKTSIZE_ALIGN;
/* If size is less than min packet size, pad to min size */
if (len < MIN_PKT_SIZE) {
memset(priv->txminframe, 0, MIN_PKT_SIZE);
memcpy(priv->txminframe, ptr, len);
len = MIN_PKT_SIZE;
ptr = priv->txminframe;
}
writel(XMCDMA_IRQ_ALL_MASK, &priv->mcdma_tx->status);
clrbits_le32(&priv->mcdma_tx->control, XMCDMA_CR_RUNSTOP_MASK);
/* Flush packet to main memory to be trasfered by DMA */
flush_cache((phys_addr_t)ptr, len);
/* Setup Tx BD. MRMAC needs atleast two descriptors */
memset(priv->tx_bd[0], 0, TX_BD_TOTAL_SIZE);
priv->tx_bd[0]->next_desc = lower_32_bits((u64)priv->tx_bd[1]);
priv->tx_bd[0]->buf_addr = lower_32_bits((u64)ptr);
/* At the end of the ring, link the last BD back to the top */
priv->tx_bd[1]->next_desc = lower_32_bits((u64)priv->tx_bd[0]);
priv->tx_bd[1]->buf_addr = lower_32_bits((u64)ptr + len / 2);
if (IS_ENABLED(CONFIG_PHYS_64BIT)) {
priv->tx_bd[0]->next_desc_msb = upper_32_bits((u64)priv->tx_bd[1]);
priv->tx_bd[0]->buf_addr_msb = upper_32_bits((u64)ptr);
priv->tx_bd[1]->next_desc_msb = upper_32_bits((u64)priv->tx_bd[0]);
priv->tx_bd[1]->buf_addr_msb = upper_32_bits((u64)ptr + len / 2);
}
/* Split Tx data in to half and send in two descriptors */
priv->tx_bd[0]->cntrl = (len / 2) | XMCDMA_BD_CTRL_TXSOF_MASK;
priv->tx_bd[1]->cntrl = (len - len / 2) | XMCDMA_BD_CTRL_TXEOF_MASK;
/* Flush the last BD so DMA core could see the updates */
flush_cache((phys_addr_t)priv->tx_bd[0], TX_BD_TOTAL_SIZE);
if (readl(&priv->mcdma_tx->status) & XMCDMA_CH_IDLE) {
axi_mrmac_dma_write(priv->tx_bd[0], &priv->mcdma_tx->current);
/* Channel fetch */
setbits_le32(&priv->mcdma_tx->control, XMCDMA_CR_RUNSTOP_MASK);
} else {
log_warning("Error: current desc is not updated\n");
return -EIO;
}
setbits_le32(&priv->mcdma_tx->control, XMCDMA_IRQ_ALL_MASK);
/* Start transfer */
axi_mrmac_dma_write(priv->tx_bd[1], &priv->mcdma_tx->tail);
/* Wait for transmission to complete */
ret = wait_for_bit_le32(&priv->mcdma_tx->status, XMCDMA_IRQ_IOC_MASK,
true, 1, true);
if (ret) {
log_warning("%s: Timeout\n", __func__);
return -ETIMEDOUT;
}
/* Clear status */
priv->tx_bd[0]->sband_stats = 0;
priv->tx_bd[1]->sband_stats = 0;
log_debug("Sending complete\n");
return 0;
}
static bool isrxready(struct axi_mrmac_priv *priv)
{
u32 status;
/* Read pending interrupts */
status = readl(&priv->mcdma_rx->status);
/* Acknowledge pending interrupts */
writel(status & XMCDMA_IRQ_ALL_MASK, &priv->mcdma_rx->status);
/*
* If Reception done interrupt is asserted, call Rx call back function
* to handle the processed BDs and then raise the according flag.
*/
if (status & (XMCDMA_IRQ_IOC_MASK | XMCDMA_IRQ_DELAY_MASK))
return 1;
return 0;
}
/**
* axi_mrmac_recv - MRMAC Rx function
* @dev: udevice structure
* @flags: flags from network stack
* @packetp pointer to received data
*
* Return: received data length on success, negative value on errors
*
* This is a Rx function of MRMAC. Check if any data is received on MCDMA.
* Copy buffer pointer to packetp and return received data length.
*/
static int axi_mrmac_recv(struct udevice *dev, int flags, uchar **packetp)
{
struct axi_mrmac_priv *priv = dev_get_priv(dev);
u32 rx_bd_end;
u32 length;
/* Wait for an incoming packet */
if (!isrxready(priv))
return -EAGAIN;
/* Clear all interrupts */
writel(XMCDMA_IRQ_ALL_MASK, &priv->mcdma_rx->status);
/* Disable IRQ for a moment till packet is handled */
clrbits_le32(&priv->mcdma_rx->control, XMCDMA_IRQ_ALL_MASK);
/* Disable channel fetch */
clrbits_le32(&priv->mcdma_rx->control, XMCDMA_CR_RUNSTOP_MASK);
rx_bd_end = (ulong)priv->rx_bd[0] + roundup(RX_BD_TOTAL_SIZE,
ARCH_DMA_MINALIGN);
/* Invalidate Rx descriptors to see proper Rx length */
invalidate_dcache_range((phys_addr_t)priv->rx_bd[0], rx_bd_end);
length = priv->rx_bd[0]->status & XMCDMA_BD_STS_ACTUAL_LEN_MASK;
*packetp = (uchar *)(ulong)priv->rx_bd[0]->buf_addr;
if (!length) {
length = priv->rx_bd[1]->status & XMCDMA_BD_STS_ACTUAL_LEN_MASK;
*packetp = (uchar *)(ulong)priv->rx_bd[1]->buf_addr;
}
#ifdef DEBUG
print_buffer(*packetp, *packetp, 1, length, 16);
#endif
/* Clear status */
priv->rx_bd[0]->status = 0;
priv->rx_bd[1]->status = 0;
return length;
}
/**
* axi_mrmac_free_pkt - MRMAC free packet function
* @dev: udevice structure
* @packet: receive buffer pointer
* @length received data length
*
* Return: 0 on success, negative value on errors
*
* This is Rx free packet function of MRMAC. Prepare MRMAC for reception of
* data again. Invalidate previous data from Rx buffers and set Rx buffer
* descriptors. Trigger reception by updating tail descriptor.
*/
static int axi_mrmac_free_pkt(struct udevice *dev, uchar *packet, int length)
{
struct axi_mrmac_priv *priv = dev_get_priv(dev);
#ifdef DEBUG
/* It is useful to clear buffer to be sure that it is consistent */
memset(priv->rx_bd[0]->buf_addr, 0, RX_BUFF_TOTAL_SIZE);
#endif
/* Disable all Rx interrupts before RxBD space setup */
clrbits_le32(&priv->mcdma_rx->control, XMCDMA_IRQ_ALL_MASK);
/* Disable channel fetch */
clrbits_le32(&priv->mcdma_rx->control, XMCDMA_CR_RUNSTOP_MASK);
/* Update current descriptor */
axi_mrmac_dma_write(priv->rx_bd[0], &priv->mcdma_rx->current);
/* Write bd to HW */
flush_cache((phys_addr_t)priv->rx_bd[0], RX_BD_TOTAL_SIZE);
/* It is necessary to flush rx buffers because if you don't do it
* then cache will contain previous packet
*/
flush_cache((phys_addr_t)priv->rx_bd[0]->buf_addr, RX_BUFF_TOTAL_SIZE);
/* Enable all IRQ */
setbits_le32(&priv->mcdma_rx->control, XMCDMA_IRQ_ALL_MASK);
/* Channel fetch */
setbits_le32(&priv->mcdma_rx->control, XMCDMA_CR_RUNSTOP_MASK);
/* Update tail descriptor. Now it's ready to receive data */
axi_mrmac_dma_write(priv->rx_bd[1], &priv->mcdma_rx->tail);
log_debug("Rx completed, framelength = %x\n", length);
return 0;
}
/**
* axi_mrmac_stop - Stop MCDMA transfers
* @dev: udevice structure
*
* Return: 0 on success, negative value on errors
*
* Stop MCDMA engine for both Tx and Rx transfers.
*/
static void axi_mrmac_stop(struct udevice *dev)
{
struct axi_mrmac_priv *priv = dev_get_priv(dev);
/* Stop the hardware */
clrbits_le32(&priv->mcdma_tx->control, XMCDMA_CR_RUNSTOP_MASK);
clrbits_le32(&priv->mcdma_rx->control, XMCDMA_CR_RUNSTOP_MASK);
log_debug("Halted\n");
}
static int axi_mrmac_probe(struct udevice *dev)
{
struct axi_mrmac_plat *plat = dev_get_plat(dev);
struct eth_pdata *pdata = &plat->eth_pdata;
struct axi_mrmac_priv *priv = dev_get_priv(dev);
priv->iobase = (struct mrmac_regs *)pdata->iobase;
priv->mm2s_cmn = plat->mm2s_cmn;
priv->mcdma_tx = (struct mcdma_chan_reg *)((phys_addr_t)priv->mm2s_cmn
+ XMCDMA_CHAN_OFFSET);
priv->s2mm_cmn = (struct mcdma_common_regs *)((phys_addr_t)priv->mm2s_cmn
+ XMCDMA_RX_OFFSET);
priv->mcdma_rx = (struct mcdma_chan_reg *)((phys_addr_t)priv->s2mm_cmn
+ XMCDMA_CHAN_OFFSET);
priv->mrmac_rate = plat->mrmac_rate;
/* Align buffers to ARCH_DMA_MINALIGN */
priv->tx_bd[0] = memalign(ARCH_DMA_MINALIGN, TX_BD_TOTAL_SIZE);
priv->tx_bd[1] = (struct mcdma_bd *)((ulong)priv->tx_bd[0] +
sizeof(struct mcdma_bd));
priv->rx_bd[0] = memalign(ARCH_DMA_MINALIGN, RX_BD_TOTAL_SIZE);
priv->rx_bd[1] = (struct mcdma_bd *)((ulong)priv->rx_bd[0] +
sizeof(struct mcdma_bd));
priv->txminframe = memalign(ARCH_DMA_MINALIGN, MIN_PKT_SIZE);
return 0;
}
static int axi_mrmac_remove(struct udevice *dev)
{
struct axi_mrmac_priv *priv = dev_get_priv(dev);
/* Free buffer descriptors */
free(priv->tx_bd[0]);
free(priv->rx_bd[0]);
free(priv->txminframe);
return 0;
}
static int axi_mrmac_of_to_plat(struct udevice *dev)
{
struct axi_mrmac_plat *plat = dev_get_plat(dev);
struct eth_pdata *pdata = &plat->eth_pdata;
struct ofnode_phandle_args phandle_args;
int ret = 0;
pdata->iobase = dev_read_addr(dev);
ret = dev_read_phandle_with_args(dev, "axistream-connected", NULL, 0, 0,
&phandle_args);
if (ret) {
log_debug("axistream not found\n");
return -EINVAL;
}
plat->mm2s_cmn = (struct mcdma_common_regs *)ofnode_read_u64_default
(phandle_args.node, "reg", -1);
if (!plat->mm2s_cmn) {
log_warning("MRMAC dma register space not found\n");
return -EINVAL;
}
/* Set default MRMAC rate to 10000 */
plat->mrmac_rate = dev_read_u32_default(dev, "xlnx,mrmac-rate", 10000);
return 0;
}
static const struct eth_ops axi_mrmac_ops = {
.start = axi_mrmac_start,
.send = axi_mrmac_send,
.recv = axi_mrmac_recv,
.free_pkt = axi_mrmac_free_pkt,
.stop = axi_mrmac_stop,
};
static const struct udevice_id axi_mrmac_ids[] = {
{ .compatible = "xlnx,mrmac-ethernet-1.0" },
{ }
};
U_BOOT_DRIVER(axi_mrmac) = {
.name = "axi_mrmac",
.id = UCLASS_ETH,
.of_match = axi_mrmac_ids,
.of_to_plat = axi_mrmac_of_to_plat,
.probe = axi_mrmac_probe,
.remove = axi_mrmac_remove,
.ops = &axi_mrmac_ops,
.priv_auto = sizeof(struct axi_mrmac_priv),
.plat_auto = sizeof(struct axi_mrmac_plat),
};

203
drivers/net/xilinx_axi_mrmac.h Normal file
View file

@ -0,0 +1,203 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Xilinx Multirate Ethernet MAC(MRMAC) driver
*
* Author(s): Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
* Michal Simek <michal.simek@xilinx.com>
*
* Copyright (C) 2021 Xilinx, Inc. All rights reserved.
*/
#ifndef __XILINX_AXI_MRMAC_H
#define __XILINX_AXI_MRMAC_H
#define MIN_PKT_SIZE 60
/* MRMAC needs atleast two buffer descriptors for Tx/Rx to work.
* Otherwise MRMAC will drop the packets. So, have atleast two Tx and
* two Rx bd's.
*/
#define TX_DESC 2
#define RX_DESC 2
/* MRMAC platform data structure */
struct axi_mrmac_plat {
struct eth_pdata eth_pdata;
struct mcdma_common_regs *mm2s_cmn;
u32 mrmac_rate; /* Hold the value from DT property "mrmac-rate" */
};
/* MRMAC private driver structure */
struct axi_mrmac_priv {
struct mrmac_regs *iobase;
struct mcdma_common_regs *mm2s_cmn;
struct mcdma_common_regs *s2mm_cmn;
struct mcdma_chan_reg *mcdma_tx;
struct mcdma_chan_reg *mcdma_rx;
struct mcdma_bd *tx_bd[TX_DESC];
struct mcdma_bd *rx_bd[RX_DESC];
u8 *txminframe; /* Pointer to hold min length Tx frame(60) */
u32 mrmac_rate; /* Speed to configure(Read from DT 10G/25G..) */
};
/* MRMAC Register Definitions */
struct mrmac_regs {
u32 revision; /* 0x0: Revision Register */
u32 reset; /* 0x4: Reset Register */
u32 mode; /* 0x8: Mode */
u32 tx_config; /* 0xc: Tx Configuration */
u32 rx_config; /* 0x10: Rx Configuration */
u32 reserved[6];/* 0x14-0x28: Reserved */
u32 tick_reg; /* 0x2c: Tick Register */
};
#define TX_BD_TOTAL_SIZE (TX_DESC * sizeof(struct mcdma_bd))
#define RX_BD_TOTAL_SIZE (RX_DESC * sizeof(struct mcdma_bd))
#define RX_BUFF_TOTAL_SIZE (RX_DESC * PKTSIZE_ALIGN)
/* Status Registers */
#define MRMAC_TX_STS_OFFSET 0x740
#define MRMAC_RX_STS_OFFSET 0x744
#define MRMAC_TX_RT_STS_OFFSET 0x748
#define MRMAC_RX_RT_STS_OFFSET 0x74c
#define MRMAC_STATRX_BLKLCK_OFFSET 0x754
/* Register bit masks */
#define MRMAC_RX_SERDES_RST_MASK (BIT(3) | BIT(2) | BIT(1) | BIT(0))
#define MRMAC_TX_SERDES_RST_MASK BIT(4)
#define MRMAC_RX_RST_MASK BIT(5)
#define MRMAC_TX_RST_MASK BIT(6)
#define MRMAC_RX_AXI_RST_MASK BIT(8)
#define MRMAC_TX_AXI_RST_MASK BIT(9)
#define MRMAC_STS_ALL_MASK 0xffffffff
#define MRMAC_RX_EN_MASK BIT(0)
#define MRMAC_RX_DEL_FCS_MASK BIT(1)
#define MRMAC_TX_EN_MASK BIT(0)
#define MRMAC_TX_INS_FCS_MASK BIT(1)
#define MRMAC_RX_BLKLCK_MASK BIT(0)
#define MRMAC_TICK_TRIGGER BIT(0)
#define MRMAC_RESET_DELAY 1 /* Delay in msecs */
#define MRMAC_BLKLCK_TIMEOUT 100 /* Block lock timeout in msecs */
#define MRMAC_DMARST_TIMEOUT 500 /* MCDMA reset timeout in msecs */
#define XMCDMA_RX_OFFSET 0x500
#define XMCDMA_CHAN_OFFSET 0x40
/* MCDMA Channel numbers are from 1-16 */
#define XMCDMA_CHANNEL_1 BIT(0)
#define XMCDMA_CHANNEL_2 BIT(1)
#define XMCDMA_CR_RUNSTOP BIT(0)
#define XMCDMA_CR_RESET BIT(2)
#define XMCDMA_BD_CTRL_TXSOF_MASK BIT(31) /* First tx packet */
#define XMCDMA_BD_CTRL_TXEOF_MASK BIT(30) /* Last tx packet */
#define XMCDMA_BD_CTRL_ALL_MASK GENMASK(31, 30) /* All control bits */
#define XMCDMA_BD_STS_ALL_MASK GENMASK(31, 28) /* All status bits */
/* MCDMA Mask registers */
#define XMCDMA_CR_RUNSTOP_MASK BIT(0) /* Start/stop DMA channel */
#define XMCDMA_CR_RESET_MASK BIT(2) /* Reset DMA engine */
#define XMCDMA_SR_HALTED_MASK BIT(0)
#define XMCDMA_SR_IDLE_MASK BIT(1)
#define XMCDMA_CH_IDLE BIT(0)
#define XMCDMA_BD_STS_COMPLETE BIT(31) /* Completed */
#define XMCDMA_BD_STS_DEC_ERR BIT(20) /* Decode error */
#define XMCDMA_BD_STS_SLV_ERR BIT(29) /* Slave error */
#define XMCDMA_BD_STS_INT_ERR BIT(28) /* Internal err */
#define XMCDMA_BD_STS_ALL_ERR GENMASK(30, 28) /* All errors */
#define XMCDMA_IRQ_ERRON_OTHERQ_MASK BIT(3)
#define XMCDMA_IRQ_PKTDROP_MASK BIT(4)
#define XMCDMA_IRQ_IOC_MASK BIT(5)
#define XMCDMA_IRQ_DELAY_MASK BIT(6)
#define XMCDMA_IRQ_ERR_MASK BIT(7)
#define XMCDMA_IRQ_ALL_MASK GENMASK(7, 5)
#define XMCDMA_PKTDROP_COALESCE_MASK GENMASK(15, 8)
#define XMCDMA_COALESCE_MASK GENMASK(23, 16)
#define XMCDMA_DELAY_MASK GENMASK(31, 24)
#define MRMAC_CTL_DATA_RATE_MASK GENMASK(2, 0)
#define MRMAC_CTL_DATA_RATE_10G 0
#define MRMAC_CTL_DATA_RATE_25G 1
#define MRMAC_CTL_DATA_RATE_40G 2
#define MRMAC_CTL_DATA_RATE_50G 3
#define MRMAC_CTL_DATA_RATE_100G 4
#define MRMAC_CTL_AXIS_CFG_MASK GENMASK(11, 9)
#define MRMAC_CTL_AXIS_CFG_SHIFT 9
#define MRMAC_CTL_AXIS_CFG_10G_IND 1
#define MRMAC_CTL_AXIS_CFG_25G_IND 1
#define MRMAC_CTL_SERDES_WIDTH_MASK GENMASK(6, 4)
#define MRMAC_CTL_SERDES_WIDTH_SHIFT 4
#define MRMAC_CTL_SERDES_WIDTH_10G 4
#define MRMAC_CTL_SERDES_WIDTH_25G 6
#define MRMAC_CTL_RATE_CFG_MASK (MRMAC_CTL_DATA_RATE_MASK | \
MRMAC_CTL_AXIS_CFG_MASK | \
MRMAC_CTL_SERDES_WIDTH_MASK)
#define MRMAC_CTL_PM_TICK_MASK BIT(30)
#define MRMAC_TICK_TRIGGER BIT(0)
#define XMCDMA_BD_STS_ACTUAL_LEN_MASK 0x007fffff /* Actual length */
/* MCDMA common offsets */
struct mcdma_common_regs {
u32 control; /* Common control */
u32 status; /* Common status */
u32 chen; /* Channel enable/disable */
u32 chser; /* Channel in progress */
u32 err; /* Error */
u32 ch_schd_type; /* Channel Q scheduler type */
u32 wrr_reg1; /* Weight of each channel (ch1-8) */
u32 wrr_reg2; /* Weight of each channel (ch9-16) */
u32 ch_serviced; /* Channels completed */
u32 arcache_aruser; /* ARCACHE and ARUSER values for AXI4 read */
u32 intr_status; /* Interrupt monitor */
u32 reserved[5];
};
/* MCDMA per-channel registers */
struct mcdma_chan_reg {
u32 control; /* Control */
u32 status; /* Status */
u32 current; /* Current descriptor */
u32 current_hi; /* Current descriptor high 32bit */
u32 tail; /* Tail descriptor */
u32 tail_hi; /* Tail descriptor high 32bit */
u32 pktcnt; /* Packet processed count */
};
/* MCDMA buffer descriptors */
struct mcdma_bd {
u32 next_desc; /* Next descriptor pointer */
u32 next_desc_msb;
u32 buf_addr; /* Buffer address */
u32 buf_addr_msb;
u32 reserved1;
u32 cntrl; /* Control */
u32 status; /* Status */
u32 sband_stats;
u32 app0;
u32 app1; /* Tx start << 16 | insert */
u32 app2; /* Tx csum seed */
u32 app3;
u32 app4;
u32 sw_id_offset;
u32 reserved2;
u32 reserved3;
u32 reserved4[16];
};
#endif /* __XILINX_AXI_MRMAC_H */

4
include/configs/xilinx_versal.h
View file

@ -41,8 +41,6 @@
/* Monitor Command Prompt */
/* Console I/O Buffer Size */
#define CONFIG_SYS_CBSIZE 2048
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
#define CONFIG_SYS_MAXARGS 64
@ -67,6 +65,8 @@
"pxefile_addr_r=0x10000000\0" \
"kernel_addr_r=0x18000000\0" \
"kernel_size_r=0x10000000\0" \
"kernel_comp_addr_r=0x30000000\0" \
"kernel_comp_size=0x3C00000\0" \
"scriptaddr=0x20000000\0" \
"ramdisk_addr_r=0x02100000\0" \
"script_size_f=0x80000\0"

4
include/configs/xilinx_zynqmp.h
View file

@ -89,6 +89,8 @@
"pxefile_addr_r=0x10000000\0" \
"kernel_addr_r=0x18000000\0" \
"kernel_size_r=0x10000000\0" \
"kernel_comp_addr_r=0x30000000\0" \
"kernel_comp_size=0x3C00000\0" \
"scriptaddr=0x20000000\0" \
"ramdisk_addr_r=0x02100000\0" \
"script_size_f=0x80000\0" \
@ -261,7 +263,7 @@
#endif
#define CONFIG_SYS_SPL_MALLOC_START 0x20000000
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x1000000
#ifdef CONFIG_SPL_SYS_MALLOC_SIMPLE
# error "Disable CONFIG_SPL_SYS_MALLOC_SIMPLE. Full malloc needs to be used"

8
include/linux/ethtool.h
View file

@ -620,6 +620,14 @@ enum ethtool_sfeatures_retval_bits {
#define SPEED_1000 1000
#define SPEED_2500 2500
#define SPEED_10000 10000
#define SPEED_14000 14000
#define SPEED_20000 20000
#define SPEED_25000 25000
#define SPEED_40000 40000
#define SPEED_50000 50000
#define SPEED_56000 56000
#define SPEED_100000 100000
#define SPEED_200000 200000
/* Duplex, half or full. */
#define DUPLEX_HALF 0x00

7
include/zynqmp_tap_delay.h
View file

@ -10,11 +10,12 @@
#ifdef CONFIG_ARCH_ZYNQMP
void zynqmp_dll_reset(u8 deviceid);
void arasan_zynqmp_set_tapdelay(u8 device_id, u32 itap_delay, u32 otap_delay);
void arasan_zynqmp_set_in_tapdelay(u8 device_id, u32 itap_delay);
void arasan_zynqmp_set_out_tapdelay(u8 device_id, u32 otap_delay);
#else
inline void zynqmp_dll_reset(u8 deviceid) {}
inline void arasan_zynqmp_set_tapdelay(u8 device_id, u32 itap_delay,
u32 otap_delay) {}
inline void arasan_zynqmp_set_in_tapdelay(u8 device_id, u32 itap_delay) {}
inline void arasan_zynqmp_set_out_tapdelay(u8 device_id, u32 otap_delay) {}
#endif
#endif