diff options
Diffstat (limited to 'drivers/ddr/imx')
| -rw-r--r-- | drivers/ddr/imx/imx9/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/ddr/imx/imx9/ddr_init.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ddr/imx/imx9/Kconfig b/drivers/ddr/imx/imx9/Kconfig index a16ddc65e0..123ad173cf 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 16eac65105..8b8ec7f8de 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); |