From 2ac24d336c95fb2525574d4fd46f0673d27464e7 Mon Sep 17 00:00:00 2001 From: Vadim Pasternak Date: Thu, 26 Jul 2018 22:41:01 +0000 Subject: platform/x86: mlx-platform: Allow mlxreg-io driver activation for more systems Allow mlxreg-io platform driver activation for more system types, in particular for MSN21xx, MSN201x types, which have reset causes bits slightly different from the default configuration. Signed-off-by: Vadim Pasternak Signed-off-by: Darren Hart (VMware) --- drivers/platform/x86/mlx-platform.c | 96 +++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) (limited to 'drivers/platform/x86') diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index a9ad1bc91575..4276fb2f983b 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -1008,6 +1008,100 @@ static struct mlxreg_core_platform_data mlxplat_default_regs_io_data = { .counter = ARRAY_SIZE(mlxplat_mlxcpld_default_regs_io_data), }; +/* Platform register access MSN21xx, MSN201x systems families data */ +static struct mlxreg_core_data mlxplat_mlxcpld_msn21xx_regs_io_data[] = { + { + .label = "cpld1_version", + .reg = MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET, + .bit = GENMASK(7, 0), + .mode = 0444, + }, + { + .label = "cpld2_version", + .reg = MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET, + .bit = GENMASK(7, 0), + .mode = 0444, + }, + { + .label = "reset_long_pb", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(0), + .mode = 0444, + }, + { + .label = "reset_short_pb", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(1), + .mode = 0444, + }, + { + .label = "reset_aux_pwr_or_ref", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(2), + .mode = 0444, + }, + { + .label = "reset_sw_reset", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(3), + .mode = 0444, + }, + { + .label = "reset_main_pwr_fail", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(4), + .mode = 0444, + }, + { + .label = "reset_asic_thermal", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(5), + .mode = 0444, + }, + { + .label = "reset_hotswap_or_halt", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(6), + .mode = 0444, + }, + { + .label = "psu1_on", + .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(0), + .mode = 0200, + }, + { + .label = "psu2_on", + .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(1), + .mode = 0200, + }, + { + .label = "pwr_cycle", + .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(2), + .mode = 0200, + }, + { + .label = "pwr_down", + .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(3), + .mode = 0200, + }, + { + .label = "asic_health", + .reg = MLXPLAT_CPLD_LPC_REG_ASIC_HEALTH_OFFSET, + .mask = MLXPLAT_CPLD_ASIC_MASK, + .bit = 1, + .mode = 0444, + }, +}; + +static struct mlxreg_core_platform_data mlxplat_msn21xx_regs_io_data = { + .data = mlxplat_mlxcpld_msn21xx_regs_io_data, + .counter = ARRAY_SIZE(mlxplat_mlxcpld_msn21xx_regs_io_data), +}; + /* Platform FAN default */ static struct mlxreg_core_data mlxplat_mlxcpld_default_fan_data[] = { { @@ -1293,6 +1387,7 @@ static int __init mlxplat_dmi_msn21xx_matched(const struct dmi_system_id *dmi) mlxplat_hotplug->deferred_nr = mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; mlxplat_led = &mlxplat_msn21xx_led_data; + mlxplat_regs_io = &mlxplat_msn21xx_regs_io_data; return 1; }; @@ -1328,6 +1423,7 @@ static int __init mlxplat_dmi_msn201x_matched(const struct dmi_system_id *dmi) mlxplat_hotplug->deferred_nr = mlxplat_default_channels[i - 1][MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; mlxplat_led = &mlxplat_default_ng_led_data; + mlxplat_regs_io = &mlxplat_msn21xx_regs_io_data; return 1; }; -- cgit v1.2.3