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authorAndreas Dannenberg <dannenberg@ti.com>2019-06-04 18:08:26 -0500
committerTom Rini <trini@konsulko.com>2019-07-17 11:13:18 -0400
commit03facc727180ed84dcc61aedfcbb222dc201e0af (patch)
treeadb9f15c77b03ceaf2fb1af8038dcbb144fd6ea9 /arch/arm/mach-k3/include/mach
parent183fa08ae529a3a228ed62fd099c7d1e9e76c8b0 (diff)
board: ti: am654: Use EEPROM-based board detection
The TI AM654x EVM base board and the associated daughtercards have on- board I2C-based EEPROMs containing board configuration data. Use the board detection infrastructure introduced earlier to do the following: 1) Parse the AM654x EVM base board EEPROM and populate items like board name and MAC addresses into the TI common EEPROM data structure residing in SRAM scratch space 2) Check for presence of daughter card(s) by probing the associated presence signals via an I2C-based GPIO expander. Then, if such a card is found, parse the data such as additional Ethernet MAC addresses from its on-board EEPROM and populate into U-Boot accordingly 3) Dynamically create an U-Boot ENV variable called overlay_files containing a list of daugherboard-specific DTB overlays based on daughercards found. This patch adds support for the AM654x base board ("AM6-COMPROCEVM") as well as for the IDK ("AM6-IDKAPPEVM"), OLDI LCD ("OLDI-LCD1EVM") PCIe/USB3.0 ("SER-PCIEUSBEVM"), 2 Lane PCIe/USB2.0 ("SER-PCIE2LEVM"), and general purpuse ("AM6-GPAPPEVM") daughtercards. Signed-off-by: Andreas Dannenberg <dannenberg@ti.com> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'arch/arm/mach-k3/include/mach')
-rw-r--r--arch/arm/mach-k3/include/mach/sys_proto.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/include/mach/sys_proto.h b/arch/arm/mach-k3/include/mach/sys_proto.h
index 018725b4d1..787a274492 100644
--- a/arch/arm/mach-k3/include/mach/sys_proto.h
+++ b/arch/arm/mach-k3/include/mach/sys_proto.h
@@ -12,4 +12,6 @@ u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
u32 bound);
struct ti_sci_handle *get_ti_sci_handle(void);
int fdt_fixup_msmc_ram(void *blob, char *parent_path, char *node_name);
+int do_board_detect(void);
+
#endif