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arm64: zynqmp: probe firmware driver

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Probe ZynqMP firmware driver on the board initialization phase and
ensure that firmware is in place to continue execution. The probing is
done on board_init so it can be used for both SPL and U-Boot proper.

Signed-off-by: Ibai Erkiaga <ibai.erkiaga-elorza@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Ibai Erkiaga 2019-09-27 11:37:04 +01:00 committed by Michal Simek
parent 283d81acba
commit 325a22dc19
2 changed files with 9 additions and 12 deletions
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3
arch/arm/Kconfig
View File

@ -1057,9 +1057,12 @@ config ARCH_ZYNQMP
select DM_SPI if SPI
select DM_SPI_FLASH if DM_SPI
select DM_USB if USB
select FIRMWARE
select OF_CONTROL
select SPL_BOARD_INIT if SPL
select SPL_CLK if SPL
select SPL_DM_MAILBOX if SPL
select SPL_FIRMWARE if SPL
select SPL_SEPARATE_BSS if SPL
select SUPPORT_SPL
select ZYNQMP_IPI

18
board/xilinx/zynqmp/zynqmp.c
View File

@ -318,18 +318,6 @@ static char *zynqmp_get_silicon_idcode_name(void)
int board_early_init_f(void)
{
int ret = 0;
#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_CLK_ZYNQMP)
u32 pm_api_version;
pm_api_version = zynqmp_firmware_version();
printf("PMUFW:\tv%d.%d\n",
pm_api_version >> ZYNQMP_PM_VERSION_MAJOR_SHIFT,
pm_api_version & ZYNQMP_PM_VERSION_MINOR_MASK);
if (pm_api_version < ZYNQMP_PM_VERSION)
panic("PMUFW version error. Expected: v%d.%d\n",
ZYNQMP_PM_VERSION_MAJOR, ZYNQMP_PM_VERSION_MINOR);
#endif
#if defined(CONFIG_ZYNQMP_PSU_INIT_ENABLED)
ret = psu_init();
@ -340,6 +328,12 @@ int board_early_init_f(void)
int board_init(void)
{
struct udevice *dev;
uclass_get_device_by_name(UCLASS_FIRMWARE, "zynqmp-power", &dev);
if (!dev)
panic("PMU Firmware device not found - Enable it");
#if defined(CONFIG_SPL_BUILD)
/* Check *at build time* if the filename is an non-empty string */
if (sizeof(CONFIG_ZYNQMP_SPL_PM_CFG_OBJ_FILE) > 1)