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Xilinx changes for v2021.07-rc5

Browse source 
zynqmp:
 - Fix ANALOG_BUS value after powerup
 - Disable EFI_CAPSULE_ON_DISK_EARLY
 
 zynqmp-gqspi:
 - Fix write issue
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Merge tag 'xilinx-for-v2021.07-rc5' of https://source.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx changes for v2021.07-rc5

zynqmp:
- Fix ANALOG_BUS value after powerup
- Disable EFI_CAPSULE_ON_DISK_EARLY

zynqmp-gqspi:
- Fix write issue
This commit is contained in:
Tom Rini 2021-06-11 08:29:34 -04:00
commit c4737cd594
4 changed files with 33 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
arch/arm/mach-zynqmp/include/mach/hardware.h
View file

@ -19,6 +19,11 @@
#define ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT 0
#define ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_VAL_SHIFT 8
#define ZYNQMP_AMS_PS_SYSMON_BASEADDR 0XFFA50800
#define ZYNQMP_AMS_PS_SYSMON_ANALOG_BUS ((ZYNQMP_AMS_PS_SYSMON_BASEADDR) \
+ 0x00000114)
#define ZYNQMP_PS_SYSMON_ANALOG_BUS_VAL 0x00003210
#define PS_MODE0 BIT(0)
#define PS_MODE1 BIT(1)
#define PS_MODE2 BIT(2)

11
board/xilinx/zynqmp/zynqmp.c
View file

@ -287,6 +287,17 @@ int board_early_init_f(void)
if (ret)
return ret;
/*
* PS_SYSMON_ANALOG_BUS register determines mapping between SysMon
* supply sense channel to SysMon supply registers inside the IP.
* This register must be programmed to complete SysMon IP
* configuration. The default register configuration after
* power-up is incorrect. Hence, fix this by writing the
* correct value - 0x3210.
*/
writel(ZYNQMP_PS_SYSMON_ANALOG_BUS_VAL,
ZYNQMP_AMS_PS_SYSMON_ANALOG_BUS);
/* Delay is required for clocks to be propagated */
udelay(1000000);
#endif

1
configs/xilinx_zynqmp_virt_defconfig
View file

@ -187,6 +187,5 @@ CONFIG_OF_LIBFDT_OVERLAY=y
CONFIG_EFI_SET_TIME=y
CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
CONFIG_EFI_CAPSULE_ON_DISK=y
CONFIG_EFI_CAPSULE_ON_DISK_EARLY=y
CONFIG_EFI_CAPSULE_FIRMWARE_FIT=y
CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y

18
drivers/spi/zynqmp_gqspi.c
View file

@ -39,6 +39,7 @@
#define GQSPI_IXR_TXFULL_MASK 0x00000008 /* QSPI TX FIFO is full */
#define GQSPI_IXR_RXNEMTY_MASK 0x00000010 /* QSPI RX FIFO Not Empty */
#define GQSPI_IXR_GFEMTY_MASK 0x00000080 /* QSPI Generic FIFO Empty */
#define GQSPI_IXR_GFNFULL_MASK 0x00000200 /* QSPI GENFIFO not full */
#define GQSPI_IXR_ALL_MASK (GQSPI_IXR_TXNFULL_MASK | \
GQSPI_IXR_RXNEMTY_MASK)
@ -238,9 +239,21 @@ static void zynqmp_qspi_fill_gen_fifo(struct zynqmp_qspi_priv *priv,
u32 gqspi_fifo_reg)
{
struct zynqmp_qspi_regs *regs = priv->regs;
u32 config_reg, ier;
int ret = 0;
ret = wait_for_bit_le32(&regs->isr, GQSPI_IXR_GFEMTY_MASK, 1,
config_reg = readl(&regs->confr);
/* Manual start if needed */
config_reg |= GQSPI_STRT_GEN_FIFO;
writel(config_reg, &regs->confr);
/* Enable interrupts */
ier = readl(&regs->ier);
ier |= GQSPI_IXR_GFNFULL_MASK;
writel(ier, &regs->ier);
/* Wait until the fifo is not full to write the new command */
ret = wait_for_bit_le32(&regs->isr, GQSPI_IXR_GFNFULL_MASK, 1,
GQSPI_TIMEOUT, 1);
if (ret)
printf("%s Timeout\n", __func__);
@ -263,6 +276,9 @@ static void zynqmp_qspi_chipselect(struct zynqmp_qspi_priv *priv, int is_on)
debug("GFIFO_CMD_CS: 0x%x\n", gqspi_fifo_reg);
/* Dummy generic FIFO entry */
zynqmp_qspi_fill_gen_fifo(priv, 0);
zynqmp_qspi_fill_gen_fifo(priv, gqspi_fifo_reg);
}