ufs: amd-versal2: Use raw read/write for SLCR/CACHE registers
Update the firmware driver UFS APIs zynqmp_pm_ufs_* to directly
read/write to the pmc_iou_slcr and efuse_cache registers. Replace
these raw reads/writes with the xilinx_pm_request() API with the
correct arguments once the PM related changes are done.
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/ee2d1ad2e07e96f1948ab6ffe8f3c50a3b8f9be9.1742462001.git.michal.simek@amd.com
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index 584397b..2940181 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -5,6 +5,8 @@
* Copyright (C) 2018-2019 Xilinx, Inc.
*/
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
#include <cpu_func.h>
#include <dm.h>
#include <dm/device_compat.h>
@@ -169,6 +171,32 @@
return pm_api_version;
};
+#if defined(CONFIG_ARCH_VERSAL2)
+int zynqmp_pm_ufs_get_txrx_cfgrdy(u32 *value)
+{
+ *value = readl(PMXC_SLCR_BASE_ADDRESS + PMXC_TX_RX_CFG_RDY);
+ return 0;
+}
+
+int zynqmp_pm_ufs_sram_csr_read(u32 *value)
+{
+ *value = readl(PMXC_SLCR_BASE_ADDRESS + PMXC_SRAM_CSR);
+ return 0;
+}
+
+int zynqmp_pm_ufs_sram_csr_write(u32 *value)
+{
+ writel(*value, PMXC_SLCR_BASE_ADDRESS + PMXC_SRAM_CSR);
+ return 0;
+}
+
+int zynqmp_pm_ufs_cal_reg(u32 *value)
+{
+ *value = readl(PMXC_EFUSE_CACHE_BASE_ADDRESS + PMXC_UFS_CAL_1_OFFSET);
+ return 0;
+}
+#endif
+
int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config, u32 value)
{
int ret;