From: Thomas Haemmerle <thomas.haemmerle@xxxxxxxxxxxxxx> Port functions from xlnx-linux to get FPGA status and invoke bitstream loading. Signed-off-by: Thomas Haemmerle <thomas.haemmerle@xxxxxxxxxxxxxx> --- arch/arm/mach-zynqmp/firmware-zynqmp.c | 48 +++++++++++++++++++++- .../arm/mach-zynqmp/include/mach/firmware-zynqmp.h | 14 ++++++- 2 files changed, 60 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-zynqmp/firmware-zynqmp.c b/arch/arm/mach-zynqmp/firmware-zynqmp.c index d91dcb0..6123aa1 100644 --- a/arch/arm/mach-zynqmp/firmware-zynqmp.c +++ b/arch/arm/mach-zynqmp/firmware-zynqmp.c @@ -18,7 +18,6 @@ #include <mach/firmware-zynqmp.h> -#define ZYNQMP_PM_VERSION(MAJOR, MINOR) ((MAJOR << 16) | MINOR) #define ZYNQMP_TZ_VERSION(MAJOR, MINOR) ((MAJOR << 16) | MINOR) #define ZYNQMP_PM_VERSION_MAJOR 1 @@ -504,6 +503,51 @@ static int zynqmp_pm_ioctl(u32 node_id, u32 ioctl_id, u32 arg1, u32 arg2, arg1, arg2, out); } +/** + * zynqmp_pm_fpga_load - Perform the fpga load + * @address: Address to write to + * @size: pl bitstream size + * @flags: Flags are used to specify the type of Bitstream file - + * defined in ZYNQMP_FPGA_BIT_*-macros + * + * This function provides access to xilfpga library to transfer + * the required bitstream into PL. + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_fpga_load(u64 address, u32 size, u32 flags) +{ + if (!address || !size) + return -EINVAL; + + return zynqmp_pm_invoke_fn(PM_FPGA_LOAD, + lower_32_bits(address), upper_32_bits(address), + size, flags, NULL); +} + +/** + * zynqmp_pm_fpga_get_status - Read value from PCAP status register + * @value: Value to read + * + * This function provides access to the xilfpga library to get + * the PCAP status + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_fpga_get_status(u32 *value) +{ + u32 ret_payload[PAYLOAD_ARG_CNT]; + int ret = 0; + + if (!value) + return -EINVAL; + + ret = zynqmp_pm_invoke_fn(PM_FPGA_GET_STATUS, 0, 0, 0, 0, ret_payload); + *value = ret_payload[1]; + + return ret; +} + static const struct zynqmp_eemi_ops eemi_ops = { .get_api_version = zynqmp_pm_get_api_version, .query_data = zynqmp_pm_query_data, @@ -517,6 +561,8 @@ static const struct zynqmp_eemi_ops eemi_ops = { .clock_setparent = zynqmp_pm_clock_setparent, .clock_getparent = zynqmp_pm_clock_getparent, .ioctl = zynqmp_pm_ioctl, + .fpga_getstatus = zynqmp_pm_fpga_get_status, + .fpga_load = zynqmp_pm_fpga_load, }; /** diff --git a/arch/arm/mach-zynqmp/include/mach/firmware-zynqmp.h b/arch/arm/mach-zynqmp/include/mach/firmware-zynqmp.h index 9e7a2e3..a044822 100644 --- a/arch/arm/mach-zynqmp/include/mach/firmware-zynqmp.h +++ b/arch/arm/mach-zynqmp/include/mach/firmware-zynqmp.h @@ -15,7 +15,17 @@ #ifndef FIRMWARE_ZYNQMP_H_ #define FIRMWARE_ZYNQMP_H_ -#define PAYLOAD_ARG_CNT 4 +#define PAYLOAD_ARG_CNT 4 + +#define ZYNQMP_PM_VERSION(MAJOR, MINOR) ((MAJOR << 16) | MINOR) + +#define ZYNQMP_FPGA_BIT_AUTH_DDR BIT(1) +#define ZYNQMP_FPGA_BIT_AUTH_OCM BIT(2) +#define ZYNQMP_FPGA_BIT_ENC_USR_KEY BIT(3) +#define ZYNQMP_FPGA_BIT_ENC_DEV_KEY BIT(4) +#define ZYNQMP_FPGA_BIT_ONLY_BIN BIT(5) + +#define ZYNQMP_PCAP_STATUS_FPGA_DONE BIT(3) enum pm_ioctl_id { IOCTL_SET_PLL_FRAC_MODE = 8, @@ -61,6 +71,8 @@ struct zynqmp_eemi_ops { int (*clock_setparent)(u32 clock_id, u32 parent_id); int (*clock_getparent)(u32 clock_id, u32 *parent_id); int (*ioctl)(u32 node_id, u32 ioctl_id, u32 arg1, u32 arg2, u32 *out); + int (*fpga_getstatus)(u32 *status); + int (*fpga_load)(u64 address, u32 size, u32 flags); }; const struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void); -- 2.7.4 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox