From: Ye Li ye.li@nxp.com
Add Kconfig for enabling reference events counter in DDRC performance monitor by default
Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- drivers/ddr/imx/imx9/Kconfig | 6 ++++++ drivers/ddr/imx/imx9/ddr_init.c | 4 ++++ 2 files changed, 10 insertions(+)
diff --git a/drivers/ddr/imx/imx9/Kconfig b/drivers/ddr/imx/imx9/Kconfig index a16ddc65e01..123ad173cfc 100644 --- a/drivers/ddr/imx/imx9/Kconfig +++ b/drivers/ddr/imx/imx9/Kconfig @@ -11,6 +11,12 @@ config IMX9_LPDDR4X help Select the i.MX9 LPDDR4/4X driver support on i.MX9 SOC.
+config IMX9_DRAM_PM_COUNTER + bool "imx9 DDRC performance monitor counter" + default y + help + Enable DDR controller performance monitor counter for reference events. + config SAVED_DRAM_TIMING_BASE hex "Define the base address for saved dram timing" help diff --git a/drivers/ddr/imx/imx9/ddr_init.c b/drivers/ddr/imx/imx9/ddr_init.c index 16eac65105f..8b8ec7f8de3 100644 --- a/drivers/ddr/imx/imx9/ddr_init.c +++ b/drivers/ddr/imx/imx9/ddr_init.c @@ -112,6 +112,10 @@ int ddr_init(struct dram_timing_info *dram_timing) ddrc_config(dram_timing->ddrc_cfg, dram_timing->ddrc_cfg_num); debug("DDRINFO: ddrc config done\n");
+#ifdef CONFIG_IMX9_DRAM_PM_COUNTER + writel(0x200000, REG_DDR_DEBUG_19); +#endif + check_dfi_init_complete();
regval = readl(REG_DDR_SDRAM_CFG);