We might not be able to always rely on the EEPROM introspection data. So add a config option alternative which configures the RAM size to a fix value.
We still try to read the EEPROM introspection data at this point. So we can print the SoM information if available.
Signed-off-by: Teresa Remmet t.remmet@phytec.de --- board/phytec/phycore_imx8mp/Kconfig | 48 +++++++++++++++++++++++++++++ board/phytec/phycore_imx8mp/spl.c | 34 +++++++++++++++----- 2 files changed, 74 insertions(+), 8 deletions(-)
diff --git a/board/phytec/phycore_imx8mp/Kconfig b/board/phytec/phycore_imx8mp/Kconfig index f846d10bad9e..5ede39abc52b 100644 --- a/board/phytec/phycore_imx8mp/Kconfig +++ b/board/phytec/phycore_imx8mp/Kconfig @@ -12,5 +12,53 @@ config SYS_CONFIG_NAME config IMX_CONFIG default "board/phytec/phycore_imx8mp/imximage-8mp-sd.cfg"
+config PHYCORE_IMX8MP_RAM_SIZE_FIX + bool "Set phyCORE-i.MX8MP RAM size fix instead of detecting" + default false + help + RAM size is automatic being detected with the help of + the EEPROM introspection data. Set RAM size to a fix value + instead. + +choice + prompt "phyCORE-i.MX8MP RAM size" + depends on PHYCORE_IMX8MP_RAM_SIZE_FIX + default PHYCORE_IMX8MP_RAM_SIZE_2GB + +config PHYCORE_IMX8MP_RAM_SIZE_1GB + bool "1GB RAM" + help + Set RAM size fix to 1GB for phyCORE-i.MX8MP. + RAM frequency is configured independent. + +config PHYCORE_IMX8MP_RAM_SIZE_2GB + bool "2GB RAM" + help + Set RAM size fix to 2GB for phyCORE-i.MX8MP. + RAM frequency is configured independent. + +config PHYCORE_IMX8MP_RAM_SIZE_4GB + bool "4GB RAM" + help + Set RAM size fix to 4GB for phyCORE-i.MX8MP. + RAM frequency is configured independent. + +config PHYCORE_IMX8MP_RAM_SIZE_8GB + bool "8GB RAM" + select PHYCORE_IMX8MP_USE_2GHZ_RAM_TIMINGS + help + Set RAM size fix to 8GB for phyCORE-i.MX8MP. + Only 2GHz RAMs are supported. + +endchoice + +config PHYCORE_IMX8MP_USE_2GHZ_RAM_TIMINGS + bool "Use 2GHz RAM timings" + depends on PHYCORE_IMX8MP_RAM_SIZE_FIX + default false + help + Use fix 2GHz RAM timings for phyCORE-i.MX8MP instead of + 1.5GHz timings. + source "board/phytec/common/Kconfig" endif diff --git a/board/phytec/phycore_imx8mp/spl.c b/board/phytec/phycore_imx8mp/spl.c index f24f09301f1e..8a0c456859e2 100644 --- a/board/phytec/phycore_imx8mp/spl.c +++ b/board/phytec/phycore_imx8mp/spl.c @@ -50,20 +50,38 @@ void spl_dram_init(void)
ret = phytec_eeprom_data_setup_fallback(NULL, 0, EEPROM_ADDR, EEPROM_ADDR_FALLBACK); - if (ret) + if (ret && !IS_ENABLED(CONFIG_PHYCORE_IMX8MP_RAM_SIZE_FIX)) goto out;
ret = phytec_imx8m_detect(NULL); if (!ret) phytec_print_som_info(NULL);
- u8 rev = phytec_get_rev(NULL); - u8 somtype = phytec_get_som_type(NULL); - - if (rev != PHYTEC_EEPROM_INVAL && (rev >= 3 || (somtype == SOM_TYPE_PCL && rev >= 1))) - use_2ghz_timings = true; - - size = phytec_get_imx8m_ddr_size(NULL); + if (IS_ENABLED(CONFIG_PHYCORE_IMX8MP_RAM_SIZE_FIX)) { + if (IS_ENABLED(CONFIG_PHYCORE_IMX8MP_RAM_SIZE_1GB)) + size = PHYTEC_IMX8MP_DDR_1GB; + else if (IS_ENABLED(CONFIG_PHYCORE_IMX8MP_RAM_SIZE_2GB)) + size = PHYTEC_IMX8MP_DDR_2GB; + else if (IS_ENABLED(CONFIG_PHYCORE_IMX8MP_RAM_SIZE_4GB)) + size = PHYTEC_IMX8MP_DDR_4GB; + else if (IS_ENABLED(CONFIG_PHYCORE_IMX8MP_RAM_SIZE_8GB)) + size = PHYTEC_IMX8MP_DDR_8GB; + if (IS_ENABLED(CONFIG_PHYCORE_IMX8MP_USE_2GHZ_RAM_TIMINGS)) { + if (size == PHYTEC_IMX8MP_DDR_4GB) + size = PHYTEC_IMX8MP_DDR_4GB_2GHZ; + else + use_2ghz_timings = true; + } + } else { + u8 rev = phytec_get_rev(NULL); + u8 somtype = phytec_get_som_type(NULL); + + if (rev != PHYTEC_EEPROM_INVAL && + (rev >= 3 || (somtype == SOM_TYPE_PCL && rev >= 1))) + use_2ghz_timings = true; + + size = phytec_get_imx8m_ddr_size(NULL); + }
switch (size) { case PHYTEC_IMX8MP_DDR_1GB: