diff options
Diffstat (limited to 'platforms/astbmc/common.c')
| -rw-r--r-- | platforms/astbmc/common.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/platforms/astbmc/common.c b/platforms/astbmc/common.c index bfbba2d..6697230 100644 --- a/platforms/astbmc/common.c +++ b/platforms/astbmc/common.c @@ -31,6 +31,11 @@ #define MBOX_IO_COUNT 6 #define MBOX_LPC_IRQ 9 +/* MCTP config */ +#define MCTP_IO_BASE 0xca2 +#define MCTP_IO_COUNT 2 +#define MCTP_LPC_IRQ 11 + void astbmc_ext_irq_serirq_cpld(unsigned int chip_id) { lpc_all_interrupts(chip_id); @@ -227,6 +232,37 @@ static void astbmc_fixup_dt_system_id(void) dt_add_property_strings(dt_root, "system-id", "unavailable"); } +#ifdef CONFIG_PLDM +static void astbmc_fixup_dt_mctp(struct dt_node *lpc) +{ + struct dt_node *mctp; + char namebuf[32]; + + if (!lpc) + return; + + /* First check if the mbox interface is already there */ + dt_for_each_child(lpc, mctp) { + if (dt_node_is_compatible(mctp, "mctp")) + return; + } + + snprintf(namebuf, sizeof(namebuf), "mctp@i%x", MCTP_IO_BASE); + mctp = dt_new(lpc, namebuf); + + dt_add_property_cells(mctp, "reg", + 1, /* IO space */ + MCTP_IO_BASE, MCTP_IO_COUNT); + dt_add_property_strings(mctp, "compatible", "mctp"); + + /* Mark it as reserved to avoid Linux trying to claim it */ + dt_add_property_strings(mctp, "status", "reserved"); + + dt_add_property_cells(mctp, "interrupts", MCTP_LPC_IRQ); + dt_add_property_cells(mctp, "interrupt-parent", lpc->phandle); +} +#endif + static void astbmc_fixup_dt_bt(struct dt_node *lpc) { struct dt_node *bt; @@ -404,6 +440,11 @@ static void astbmc_fixup_dt(void) /* BT is not in HB either */ astbmc_fixup_dt_bt(primary_lpc); +#ifdef CONFIG_PLDM + /* Fixup the MCTP, that might be missing from HB */ + astbmc_fixup_dt_mctp(primary_lpc); +#endif + /* The pel logging code needs a system-id property to work so make sure we have one. */ astbmc_fixup_dt_system_id(); |