From 9f205d658da33bf2462baa1608aed996c48473af Mon Sep 17 00:00:00 2001 From: Joel Johnson Date: Mon, 23 Mar 2020 14:21:32 -0600 Subject: [PATCH] arm: mvebu: clearfog: initial ClearFog Base variant Add a unique entry for ClearFog Base variant, reflected in the board name and adjusted SerDes topology. Signed-off-by: Joel Johnson Reviewed-by: Stefan Roese --- arch/arm/mach-mvebu/Kconfig | 2 ++ board/solidrun/clearfog/Kconfig | 18 ++++++++++++++ board/solidrun/clearfog/clearfog.c | 38 +++++++++++++++++++++++++----- 3 files changed, 52 insertions(+), 6 deletions(-) create mode 100644 board/solidrun/clearfog/Kconfig diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index bc5eaa5a76..161dee937f 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -280,4 +280,6 @@ config SECURED_MODE_CSK_INDEX default 0 depends on SECURED_MODE_IMAGE +source "board/solidrun/clearfog/Kconfig" + endif diff --git a/board/solidrun/clearfog/Kconfig b/board/solidrun/clearfog/Kconfig new file mode 100644 index 0000000000..936d5918f8 --- /dev/null +++ b/board/solidrun/clearfog/Kconfig @@ -0,0 +1,18 @@ +menu "ClearFog configuration" + depends on TARGET_CLEARFOG + +config TARGET_CLEARFOG_BASE + bool "Use ClearFog Base static configuration" + help + Use the ClearFog Base as the static configuration instead of the + default which uses the ClearFog Pro. + + Runtime board detection is always attempted and used if available. The + static configuration is used as a fallback in cases where runtime + detection is disabled, is not available in hardware, or otherwise fails. + + Only newer revisions of the ClearFog product line support runtime + detection via additional EEPROM hardware. This option enables selecting + the Base variant for older hardware revisions. + +endmenu diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c index 9b31902c70..11d3a7f877 100644 --- a/board/solidrun/clearfog/clearfog.c +++ b/board/solidrun/clearfog/clearfog.c @@ -42,6 +42,7 @@ static void cf_read_tlv_data(void) read_tlv_data(&cf_tlv_data); } +/* The starting board_serdes_map reflects original Clearfog Pro usage */ static struct serdes_map board_serdes_map[] = { {SATA0, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0}, {SGMII1, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}, @@ -51,6 +52,13 @@ static struct serdes_map board_serdes_map[] = { {SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}, }; +void config_cfbase_serdes_map(void) +{ + board_serdes_map[4].serdes_type = USB3_HOST0; + board_serdes_map[4].serdes_speed = SERDES_SPEED_5_GBPS; + board_serdes_map[4].serdes_mode = SERDES_DEFAULT_MODE; +} + int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count) { cf_read_tlv_data(); @@ -59,12 +67,26 @@ int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count) board_serdes_map[0].serdes_type = PEX0; board_serdes_map[0].serdes_speed = SERDES_SPEED_5_GBPS; board_serdes_map[0].serdes_mode = PEX_ROOT_COMPLEX_X1; - } - - if (sr_product_is(&cf_tlv_data, "Clearfog Base")) { - board_serdes_map[4].serdes_type = USB3_HOST0; - board_serdes_map[4].serdes_speed = SERDES_SPEED_5_GBPS; - board_serdes_map[4].serdes_mode = SERDES_DEFAULT_MODE; + } else if (sr_product_is(&cf_tlv_data, "Clearfog Pro")) { + /* handle recognized product as noop, no adjustment required */ + } else if (sr_product_is(&cf_tlv_data, "Clearfog Base")) { + config_cfbase_serdes_map(); + } else { + /* + * Fallback to static default. EEPROM TLV support is not + * enabled, runtime detection failed, hardware support is not + * present, EEPROM is corrupt, or an unrecognized product name + * is present. + */ + if (IS_ENABLED(CONFIG_SPL_CMD_TLV_EEPROM)) + puts("EEPROM TLV detection failed: "); + puts("Using static config for "); + if (IS_ENABLED(CONFIG_TARGET_CLEARFOG_BASE)) { + puts("Clearfog Base.\n"); + config_cfbase_serdes_map(); + } else { + puts("Clearfog Pro.\n"); + } } *serdes_map_array = board_serdes_map; @@ -171,6 +193,8 @@ int board_init(void) int checkboard(void) { char *board = "Clearfog Pro"; + if (IS_ENABLED(CONFIG_TARGET_CLEARFOG_BASE)) + board = "Clearfog Base"; cf_read_tlv_data(); if (strlen(cf_tlv_data.tlv_product_name[0]) > 0) @@ -200,6 +224,8 @@ int board_late_init(void) env_set("fdtfile", "armada-385-clearfog-gtr-s4.dtb"); else if (sr_product_is(&cf_tlv_data, "Clearfog GTR L8")) env_set("fdtfile", "armada-385-clearfog-gtr-l8.dtb"); + else if (IS_ENABLED(CONFIG_TARGET_CLEARFOG_BASE)) + env_set("fdtfile", "armada-388-clearfog-base.dtb"); return 0; } -- 2.39.5