[Skiboot] [PATCH v2] platform: add Raptor Blackbird support

[Oliver O'Halloran]

On Tue, Dec 17, 2019 at 2:54 PM Stewart Smith <stewart at flamingspork.com> wrote:
>
> Based off the Raptor patch:
> https://git.raptorcs.com/git/blackbird-skiboot/commit/?id=c81f9d66592dc2a7cf7f6c59c3def5cee0638c1f
>
> Notable changes:
> - slot names matching what's silkscreened on the board
> - We communicate with the IPL observer
>   - Including indicating IPL is done, which makes fan control kick in.
>
> Signed-off-by: Stewart Smith <stewart at flamingspork.com>

tpearson, can I get an ACK?

> ---
> Changes since v1:
>  - Talk IPL observer
> ---
>  platforms/astbmc/Makefile.inc |  3 +-
>  platforms/astbmc/blackbird.c  | 77 +++++++++++++++++++++++++++++++++++
>  2 files changed, 79 insertions(+), 1 deletion(-)
>  create mode 100644 platforms/astbmc/blackbird.c
>
> diff --git a/platforms/astbmc/Makefile.inc b/platforms/astbmc/Makefile.inc
> index fd4eaeac..e0f8760d 100644
> --- a/platforms/astbmc/Makefile.inc
> +++ b/platforms/astbmc/Makefile.inc
> @@ -6,7 +6,8 @@ ASTBMC_OBJS = pnor.o common.o slots.o \
>               garrison.o barreleye.o \
>               witherspoon.o zaius.o romulus.o p9dsu.o \
>               vesnin.o nicole.o mihawk.o\
> -             talos.o swift.o
> +             talos.o blackbird.o \
> +             swift.o
>
>  ASTBMC = $(PLATDIR)/astbmc/built-in.a
>  $(ASTBMC): $(ASTBMC_OBJS:%=$(PLATDIR)/astbmc/%)
> diff --git a/platforms/astbmc/blackbird.c b/platforms/astbmc/blackbird.c
> new file mode 100644
> index 00000000..2d12c63c
> --- /dev/null
> +++ b/platforms/astbmc/blackbird.c
> @@ -0,0 +1,77 @@
> +// SPDX-License-Identifier: Apache-2.0
> +/* Copyright 2017 IBM Corp.
> + * Copyright 2018-2019 Raptor Engineering, LLC
> + * Copyright 2019 Stewart Smith
> + */
> +
> +#include <skiboot.h>
> +#include <device.h>
> +#include <console.h>
> +#include <chip.h>
> +#include <ipmi.h>
> +#include <psi.h>
> +#include <lpc.h>
> +
> +#include "astbmc.h"
> +
> +ST_PLUGGABLE(blackbird_cpu1_slot1, "SLOT1 PCIE 4.0 X16");
> +ST_PLUGGABLE(blackbird_cpu1_slot2, "SLOT2 PCIE 4.0 X8");
> +
> +ST_BUILTIN_DEV(blackbird_builtin_sata, "Builtin SATA");
> +ST_BUILTIN_DEV(blackbird_builtin_usb, "Builtin USB");
> +ST_BUILTIN_DEV(blackbird_builtin_ethernet, "Builtin Ethernet");
> +ST_BUILTIN_DEV(blackbird_builtin_bmc, "BMC");
> +
> +static const struct slot_table_entry blackbird_phb_table[] = {
> +       ST_PHB_ENTRY(0, 0, blackbird_cpu1_slot1),
> +       ST_PHB_ENTRY(0, 1, blackbird_cpu1_slot2),
> +
> +       ST_PHB_ENTRY(0, 2, blackbird_builtin_sata),
> +       ST_PHB_ENTRY(0, 3, blackbird_builtin_usb),
> +       ST_PHB_ENTRY(0, 4, blackbird_builtin_ethernet),
> +       ST_PHB_ENTRY(0, 5, blackbird_builtin_bmc),
> +
> +       { .etype = st_end },
> +};
> +
> +static bool blackbird_probe(void)
> +{
> +       if (!dt_node_is_compatible(dt_root, "rcs,blackbird"))
> +               return false;
> +
> +       /* Lot of common early inits here */
> +       astbmc_early_init();
> +
> +       /* Setup UART for use by OPAL (Linux hvc) */
> +       uart_set_console_policy(UART_CONSOLE_OPAL);
> +
> +       slot_table_init(blackbird_phb_table);
> +
> +       return true;
> +}
> +
> +static void blackbird_exit(void)
> +{
> +       /* Let the IPL Observer know that we're done */
> +       lpc_probe_write(OPAL_LPC_IO, 0x81, 0xfe, 1);
> +       lpc_probe_write(OPAL_LPC_IO, 0x82, 0xfe, 1);
> +
> +       astbmc_exit();
> +}
> +
> +DECLARE_PLATFORM(blackbird) = {
> +       .name                   = "Blackbird",
> +       .probe                  = blackbird_probe,
> +       .init                   = astbmc_init,
> +       .start_preload_resource = flash_start_preload_resource,
> +       .resource_loaded        = flash_resource_loaded,
> +       .bmc                    = &bmc_plat_ast2500_openbmc,
> +       .pci_get_slot_info      = slot_table_get_slot_info,
> +       .pci_probe_complete     = check_all_slot_table,
> +       .cec_power_down         = astbmc_ipmi_power_down,
> +       .cec_reboot             = astbmc_ipmi_reboot,
> +       .elog_commit            = ipmi_elog_commit,
> +       .exit                   = blackbird_exit,
> +       .terminate              = ipmi_terminate,
> +       .op_display             = op_display_lpc,
> +};
> --
> 2.23.0
>
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