From c28f0e08024296b72f95f3475ff14ef22ccec046 Mon Sep 17 00:00:00 2001 From: Julien Viard de Galbert Date: Wed, 7 Mar 2018 15:28:15 +0100 Subject: mb/scaleway/tagada: GPIO on M.2 PCIe/SATA configure FSP HSIO lanes Change-Id: Ic3ed97fc2b54d4974ec0b41b9f207fe3d49d2cce Signed-off-by: Julien Viard de Galbert Reviewed-on: https://review.coreboot.org/c/coreboot/+/25436 Tested-by: build bot (Jenkins) Reviewed-by: Angel Pons --- src/mainboard/scaleway/tagada/gpio_defs.h | 34 ++++++++++++++++++ src/mainboard/scaleway/tagada/hsio.c | 58 ++++++++++++++++++++++++++++--- src/mainboard/scaleway/tagada/hsio.h | 2 +- 3 files changed, 89 insertions(+), 5 deletions(-) create mode 100644 src/mainboard/scaleway/tagada/gpio_defs.h (limited to 'src/mainboard/scaleway') diff --git a/src/mainboard/scaleway/tagada/gpio_defs.h b/src/mainboard/scaleway/tagada/gpio_defs.h new file mode 100644 index 0000000000..b89ad5a8db --- /dev/null +++ b/src/mainboard/scaleway/tagada/gpio_defs.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _MAINBOARD_GPIO_DEFS_H +#define _MAINBOARD_GPIO_DEFS_H + +#include + +// _GPIO_0 : LFFF: DVT_GPIO<0> : BOOTED +#define GPIO_GPIO_0 0 +#define R_PAD_CFG_DW0_GPIO_0 0x4d8 +#define PID_GPIO_0 PID_NorthCommunity + +// _GPIO_4 : LFFF: M2A_CFGn : M2A_SATAn +#define GPIO_GPIO_4 4 +#define R_PAD_CFG_DW0_GPIO_4 0x568 +#define PID_GPIO_4 PID_SouthCommunity + +// _GPIO_5 : LFFF: M2B_CFGn : M2B_SATAn +#define GPIO_GPIO_5 5 +#define R_PAD_CFG_DW0_GPIO_5 0x570 +#define PID_GPIO_5 PID_SouthCommunity + + +// _GPIO_8 : LFFF: DVT_GPIO<1> : Baud select +#define GPIO_GPIO_8 8 +#define R_PAD_CFG_DW0_GPIO_8 0x5c8 +#define PID_GPIO_8 PID_SouthCommunity + +// _GPIO_9 : LFFF: DVT_GPIO<2> : BIOS Verbose +#define GPIO_GPIO_9 9 +#define R_PAD_CFG_DW0_GPIO_9 0x5d0 +#define PID_GPIO_9 PID_SouthCommunity + +#endif /* _MAINBOARD_GPIO_DEFS_H */ diff --git a/src/mainboard/scaleway/tagada/hsio.c b/src/mainboard/scaleway/tagada/hsio.c index fd6afa8637..78599230d7 100644 --- a/src/mainboard/scaleway/tagada/hsio.c +++ b/src/mainboard/scaleway/tagada/hsio.c @@ -1,12 +1,62 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include +#include #include +#include #include +#ifdef __RAMSTAGE__ +static void update_hsio_info_for_m2_slots(size_t num_of_entry, BL_HSIO_INFORMATION *config) +{ + uint32_t reg32; + bool m2a_pcie, m2b_pcie; + uint8_t entry; + + /* Detects modules type */ + // _GPIO_4 : LFFF: M2A_CFGn : M2A_SATAn : 0 SATA, 1 PCIe + reg32 = read32((void *)PCH_PCR_ADDRESS(PID_GPIO_4, R_PAD_CFG_DW0_GPIO_4)); + m2a_pcie = (reg32 & B_PCH_GPIO_RX_STATE) ? 1 : 0; + // _GPIO_5 : LFFF: M2A_CFGn : M2A_SATAn : 0 SATA, 1 PCIe + reg32 = read32((void *)PCH_PCR_ADDRESS(PID_GPIO_5, R_PAD_CFG_DW0_GPIO_5)); + m2b_pcie = (reg32 & B_PCH_GPIO_RX_STATE) ? 1 : 0; + + printk(BIOS_DEBUG, + "GPIO values from M2 slots A:%d B:%d " + "(0=SATA, 1=PCIe or not populated)\n", + m2a_pcie, m2b_pcie); + + // HSIO default config is for PCIe, only update for SATA + // (also secondary PCIe lines are already set depending on SKU) + for (entry = 0; entry < num_of_entry; entry++) { + BL_ME_FIA_MUX_CONFIG *mux_config = &(config[entry].FiaConfig.MuxConfiguration); + BL_ME_FIA_SATA_CONFIG *sata_config = + &(config[entry].FiaConfig.SataLaneConfiguration); + if (!m2a_pcie) { + // change Lane 14 config + mux_config->BL_MeFiaMuxLaneMuxSel.Lane14MuxSel = + BL_ME_FIA_MUX_LANE_SATA; + sata_config->BL_MeFiaSataLaneSataSel.Lane14SataSel = + BL_ME_FIA_SATA_CONTROLLER_LANE_ASSIGNED; + } + if (!m2b_pcie) { + // change Lane 12 config + mux_config->BL_MeFiaMuxLaneMuxSel.Lane12MuxSel = + BL_ME_FIA_MUX_LANE_SATA; + sata_config->BL_MeFiaSataLaneSataSel.Lane12SataSel = + BL_ME_FIA_SATA_CONTROLLER_LANE_ASSIGNED; + } + } +} +#endif + size_t mainboard_get_hsio_config(BL_HSIO_INFORMATION **p_hsio_config) { - size_t num; - num = ARRAY_SIZE(tagada_hsio_config); - (*p_hsio_config) = (BL_HSIO_INFORMATION *)tagada_hsio_config; - return num; + size_t num; + num = ARRAY_SIZE(tagada_hsio_config); +#ifdef __RAMSTAGE__ + update_hsio_info_for_m2_slots(num, tagada_hsio_config); +#endif + (*p_hsio_config) = (BL_HSIO_INFORMATION *)tagada_hsio_config; + return num; } diff --git a/src/mainboard/scaleway/tagada/hsio.h b/src/mainboard/scaleway/tagada/hsio.h index 4e3a2c11b2..8a25a04011 100644 --- a/src/mainboard/scaleway/tagada/hsio.h +++ b/src/mainboard/scaleway/tagada/hsio.h @@ -6,7 +6,7 @@ #include #ifndef __ACPI__ -const BL_HSIO_INFORMATION tagada_hsio_config[] = { +DEVTREE_CONST BL_HSIO_INFORMATION tagada_hsio_config[] = { /* * Supported Lanes: * 20 -- cgit v1.2.3