diff options
Diffstat (limited to 'drivers/firmware/firmware-zynqmp.c')
| -rw-r--r-- | drivers/firmware/firmware-zynqmp.c | 60 |
1 files changed, 35 insertions, 25 deletions
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index 2940181e83e..d18ae523b6b 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -422,6 +422,30 @@ U_BOOT_DRIVER(zynqmp_power) = { }; #endif +smc_call_handler_t __data smc_call_handler; + +static int smc_call_legacy(u32 api_id, u32 arg0, u32 arg1, u32 arg2, + u32 arg3, u32 *ret_payload) +{ + struct pt_regs regs; + + regs.regs[0] = PM_SIP_SVC | api_id; + regs.regs[1] = ((u64)arg1 << 32) | arg0; + regs.regs[2] = ((u64)arg3 << 32) | arg2; + + smc_call(®s); + + if (ret_payload) { + ret_payload[0] = (u32)regs.regs[0]; + ret_payload[1] = upper_32_bits(regs.regs[0]); + ret_payload[2] = (u32)regs.regs[1]; + ret_payload[3] = upper_32_bits(regs.regs[1]); + ret_payload[4] = (u32)regs.regs[2]; + } + + return (ret_payload) ? ret_payload[0] : 0; +} + int __maybe_unused xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 *ret_payload) { @@ -450,38 +474,20 @@ int __maybe_unused xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2, PAYLOAD_ARG_CNT); if (ret) return ret; + + return (ret_payload) ? ret_payload[0] : 0; #else return -EPERM; #endif - } else { - /* - * Added SIP service call Function Identifier - * Make sure to stay in x0 register - */ - struct pt_regs regs; - - regs.regs[0] = PM_SIP_SVC | api_id; - regs.regs[1] = ((u64)arg1 << 32) | arg0; - regs.regs[2] = ((u64)arg3 << 32) | arg2; - - smc_call(®s); - - if (ret_payload) { - ret_payload[0] = (u32)regs.regs[0]; - ret_payload[1] = upper_32_bits(regs.regs[0]); - ret_payload[2] = (u32)regs.regs[1]; - ret_payload[3] = upper_32_bits(regs.regs[1]); - ret_payload[4] = (u32)regs.regs[2]; - } - } - return (ret_payload) ? ret_payload[0] : 0; + + return smc_call_handler(api_id, arg0, arg1, arg2, arg3, ret_payload); } static const struct udevice_id zynqmp_firmware_ids[] = { - { .compatible = "xlnx,zynqmp-firmware" }, - { .compatible = "xlnx,versal-firmware"}, - { .compatible = "xlnx,versal-net-firmware"}, + { .compatible = "xlnx,zynqmp-firmware", .data = (ulong)smc_call_legacy }, + { .compatible = "xlnx,versal-firmware", .data = (ulong)smc_call_legacy}, + { .compatible = "xlnx,versal-net-firmware", .data = (ulong)smc_call_legacy }, { } }; @@ -490,6 +496,10 @@ static int zynqmp_firmware_bind(struct udevice *dev) int ret; struct udevice *child; + smc_call_handler = (smc_call_handler_t)dev_get_driver_data(dev); + if (!smc_call_handler) + return -EINVAL; + if ((IS_ENABLED(CONFIG_XPL_BUILD) && IS_ENABLED(CONFIG_SPL_POWER_DOMAIN) && IS_ENABLED(CONFIG_ZYNQMP_POWER_DOMAIN)) || |