diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/cezanne/chip.c | 2 | ||||
| -rw-r--r-- | src/soc/amd/cezanne/data_fabric.c | 92 | ||||
| -rw-r--r-- | src/soc/amd/cezanne/include/soc/data_fabric.h | 2 | ||||
| -rw-r--r-- | src/soc/amd/common/block/data_fabric/data_fabric_helper.c | 88 | ||||
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/data_fabric.h | 1 | ||||
| -rw-r--r-- | src/soc/amd/glinda/chip.c | 2 | ||||
| -rw-r--r-- | src/soc/amd/glinda/data_fabric.c | 93 | ||||
| -rw-r--r-- | src/soc/amd/glinda/include/soc/data_fabric.h | 2 | ||||
| -rw-r--r-- | src/soc/amd/mendocino/chip.c | 2 | ||||
| -rw-r--r-- | src/soc/amd/mendocino/data_fabric.c | 95 | ||||
| -rw-r--r-- | src/soc/amd/mendocino/include/soc/data_fabric.h | 2 | ||||
| -rw-r--r-- | src/soc/amd/morgana/chip.c | 2 | ||||
| -rw-r--r-- | src/soc/amd/morgana/data_fabric.c | 93 | ||||
| -rw-r--r-- | src/soc/amd/morgana/include/soc/data_fabric.h | 2 | ||||
| -rw-r--r-- | src/soc/amd/picasso/chip.c | 2 | ||||
| -rw-r--r-- | src/soc/amd/picasso/data_fabric.c | 92 | ||||
| -rw-r--r-- | src/soc/amd/picasso/include/soc/data_fabric.h | 2 |
17 files changed, 94 insertions, 480 deletions
diff --git a/src/soc/amd/cezanne/chip.c b/src/soc/amd/cezanne/chip.c index e4aa7040e6..efef2f19c9 100644 --- a/src/soc/amd/cezanne/chip.c +++ b/src/soc/amd/cezanne/chip.c @@ -1,12 +1,12 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <amdblocks/data_fabric.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <fsp/api.h> #include <soc/acpi.h> #include <soc/cpu.h> -#include <soc/data_fabric.h> #include <soc/pci_devs.h> #include <soc/southbridge.h> #include <types.h> diff --git a/src/soc/amd/cezanne/data_fabric.c b/src/soc/amd/cezanne/data_fabric.c index 5dc0f99a41..6a34a07d15 100644 --- a/src/soc/amd/cezanne/data_fabric.c +++ b/src/soc/amd/cezanne/data_fabric.c @@ -1,102 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include <acpi/acpi_device.h> -#include <amdblocks/data_fabric.h> -#include <arch/hpet.h> #include <console/console.h> -#include <cpu/x86/lapic_def.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> -#include <soc/data_fabric.h> -#include <soc/iomap.h> -#include <types.h> - -void data_fabric_set_mmio_np(void) -{ - /* - * Mark region from HPET-LAPIC or 0xfed00000-0xfee00000-1 as NP. - * - * AGESA has already programmed the NB MMIO routing, however nothing - * is yet marked as non-posted. - * - * If there exists an overlapping routing base/limit pair, trim its - * base or limit to avoid the new NP region. If any pair exists - * completely within HPET-LAPIC range, remove it. If any pair surrounds - * HPET-LAPIC, it must be split into two regions. - * - * TODO(b/156296146): Remove the settings from AGESA and allow coreboot - * to own everything. If not practical, consider erasing all settings - * and have coreboot reprogram them. At that time, make the source - * below more flexible. - * * Note that the code relies on the granularity of the HPET and - * LAPIC addresses being sufficiently large that the shifted limits - * +/-1 are always equivalent to the non-shifted values +/-1. - */ - - unsigned int i; - int reg; - uint32_t base, limit, ctrl; - const uint32_t np_bot = HPET_BASE_ADDRESS >> D18F0_MMIO_SHIFT; - const uint32_t np_top = (LAPIC_DEFAULT_BASE - 1) >> D18F0_MMIO_SHIFT; - - data_fabric_print_mmio_conf(); - - for (i = 0; i < NUM_NB_MMIO_REGS; i++) { - /* Adjust all registers that overlap */ - ctrl = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i)); - if (!(ctrl & (DF_MMIO_WE | DF_MMIO_RE))) - continue; /* not enabled */ - - base = data_fabric_broadcast_read32(0, NB_MMIO_BASE(i)); - limit = data_fabric_broadcast_read32(0, NB_MMIO_LIMIT(i)); - - if (base > np_top || limit < np_bot) - continue; /* no overlap at all */ - - if (base >= np_bot && limit <= np_top) { - data_fabric_disable_mmio_reg(i); /* 100% within, so remove */ - continue; - } - - if (base < np_bot && limit > np_top) { - /* Split the configured region */ - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - /* Although a pair could be freed later, this condition is - * very unusual and deserves analysis. Flag an error and - * leave the topmost part unconfigured. */ - printk(BIOS_ERR, "Not enough NB MMIO routing registers\n"); - continue; - } - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_top + 1); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), limit); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), ctrl); - continue; - } - - /* If still here, adjust only the base or limit */ - if (base <= np_bot) - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - else - data_fabric_broadcast_write32(0, NB_MMIO_BASE(i), np_top + 1); - } - - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - printk(BIOS_ERR, "cannot configure region as NP\n"); - return; - } - - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_bot); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), np_top); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), - (IOMS0_FABRIC_ID << DF_MMIO_DST_FABRIC_ID_SHIFT) | DF_MMIO_NP - | DF_MMIO_WE | DF_MMIO_RE); - - data_fabric_print_mmio_conf(); -} static const char *data_fabric_acpi_name(const struct device *dev) { diff --git a/src/soc/amd/cezanne/include/soc/data_fabric.h b/src/soc/amd/cezanne/include/soc/data_fabric.h index 27444befb3..1808df3044 100644 --- a/src/soc/amd/cezanne/include/soc/data_fabric.h +++ b/src/soc/amd/cezanne/include/soc/data_fabric.h @@ -12,6 +12,4 @@ #define NUM_NB_MMIO_REGS 8 -void data_fabric_set_mmio_np(void); - #endif /* AMD_CEZANNE_DATA_FABRIC_H */ diff --git a/src/soc/amd/common/block/data_fabric/data_fabric_helper.c b/src/soc/amd/common/block/data_fabric/data_fabric_helper.c index 0fcee3642b..f1a067f4e0 100644 --- a/src/soc/amd/common/block/data_fabric/data_fabric_helper.c +++ b/src/soc/amd/common/block/data_fabric/data_fabric_helper.c @@ -2,7 +2,9 @@ #include <amdblocks/data_fabric.h> #include <amdblocks/pci_devs.h> +#include <arch/hpet.h> #include <console/console.h> +#include <cpu/x86/lapic_def.h> #include <device/pci_ops.h> #include <soc/data_fabric.h> #include <soc/pci_devs.h> @@ -82,3 +84,89 @@ int data_fabric_find_unused_mmio_reg(void) } return -1; } + +void data_fabric_set_mmio_np(void) +{ + /* + * Mark region from HPET-LAPIC or 0xfed00000-0xfee00000-1 as NP. + * + * AGESA has already programmed the NB MMIO routing, however nothing + * is yet marked as non-posted. + * + * If there exists an overlapping routing base/limit pair, trim its + * base or limit to avoid the new NP region. If any pair exists + * completely within HPET-LAPIC range, remove it. If any pair surrounds + * HPET-LAPIC, it must be split into two regions. + * + * TODO(b/156296146): Remove the settings from AGESA and allow coreboot + * to own everything. If not practical, consider erasing all settings + * and have coreboot reprogram them. At that time, make the source + * below more flexible. + * * Note that the code relies on the granularity of the HPET and + * LAPIC addresses being sufficiently large that the shifted limits + * +/-1 are always equivalent to the non-shifted values +/-1. + */ + + unsigned int i; + int reg; + uint32_t base, limit, ctrl; + const uint32_t np_bot = HPET_BASE_ADDRESS >> D18F0_MMIO_SHIFT; + const uint32_t np_top = (LAPIC_DEFAULT_BASE - 1) >> D18F0_MMIO_SHIFT; + + data_fabric_print_mmio_conf(); + + for (i = 0; i < NUM_NB_MMIO_REGS; i++) { + /* Adjust all registers that overlap */ + ctrl = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i)); + if (!(ctrl & (DF_MMIO_WE | DF_MMIO_RE))) + continue; /* not enabled */ + + base = data_fabric_broadcast_read32(0, NB_MMIO_BASE(i)); + limit = data_fabric_broadcast_read32(0, NB_MMIO_LIMIT(i)); + + if (base > np_top || limit < np_bot) + continue; /* no overlap at all */ + + if (base >= np_bot && limit <= np_top) { + data_fabric_disable_mmio_reg(i); /* 100% within, so remove */ + continue; + } + + if (base < np_bot && limit > np_top) { + /* Split the configured region */ + data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); + reg = data_fabric_find_unused_mmio_reg(); + if (reg < 0) { + /* Although a pair could be freed later, this condition is + * very unusual and deserves analysis. Flag an error and + * leave the topmost part unconfigured. */ + printk(BIOS_ERR, "Not enough NB MMIO routing registers\n"); + continue; + } + data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_top + 1); + data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), limit); + data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), ctrl); + continue; + } + + /* If still here, adjust only the base or limit */ + if (base <= np_bot) + data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); + else + data_fabric_broadcast_write32(0, NB_MMIO_BASE(i), np_top + 1); + } + + reg = data_fabric_find_unused_mmio_reg(); + if (reg < 0) { + printk(BIOS_ERR, "cannot configure region as NP\n"); + return; + } + + data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_bot); + data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), np_top); + data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), + (IOMS0_FABRIC_ID << DF_MMIO_DST_FABRIC_ID_SHIFT) | DF_MMIO_NP + | DF_MMIO_WE | DF_MMIO_RE); + + data_fabric_print_mmio_conf(); +} diff --git a/src/soc/amd/common/block/include/amdblocks/data_fabric.h b/src/soc/amd/common/block/include/amdblocks/data_fabric.h index 604c24e16f..5cc7f4867b 100644 --- a/src/soc/amd/common/block/include/amdblocks/data_fabric.h +++ b/src/soc/amd/common/block/include/amdblocks/data_fabric.h @@ -45,5 +45,6 @@ void data_fabric_broadcast_write32(uint8_t function, uint16_t reg, uint32_t data void data_fabric_print_mmio_conf(void); void data_fabric_disable_mmio_reg(unsigned int reg); int data_fabric_find_unused_mmio_reg(void); +void data_fabric_set_mmio_np(void); #endif /* AMD_BLOCK_DATA_FABRIC_H */ diff --git a/src/soc/amd/glinda/chip.c b/src/soc/amd/glinda/chip.c index b0b90ee8ad..9e9ee9eecf 100644 --- a/src/soc/amd/glinda/chip.c +++ b/src/soc/amd/glinda/chip.c @@ -2,13 +2,13 @@ /* TODO: Update for Glinda */ +#include <amdblocks/data_fabric.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <fsp/api.h> #include <soc/acpi.h> #include <soc/cpu.h> -#include <soc/data_fabric.h> #include <soc/pci_devs.h> #include <soc/southbridge.h> #include <types.h> diff --git a/src/soc/amd/glinda/data_fabric.c b/src/soc/amd/glinda/data_fabric.c index 822d5a9dbf..3bc0b6d80a 100644 --- a/src/soc/amd/glinda/data_fabric.c +++ b/src/soc/amd/glinda/data_fabric.c @@ -3,103 +3,10 @@ /* TODO: Update for Glinda */ #include <acpi/acpi_device.h> -#include <amdblocks/data_fabric.h> -#include <arch/hpet.h> #include <console/console.h> -#include <cpu/x86/lapic_def.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> -#include <soc/data_fabric.h> -#include <soc/iomap.h> -#include <types.h> - -void data_fabric_set_mmio_np(void) -{ - /* - * Mark region from HPET-LAPIC or 0xfed00000-0xfee00000-1 as NP. - * - * AGESA has already programmed the NB MMIO routing, however nothing - * is yet marked as non-posted. - * - * If there exists an overlapping routing base/limit pair, trim its - * base or limit to avoid the new NP region. If any pair exists - * completely within HPET-LAPIC range, remove it. If any pair surrounds - * HPET-LAPIC, it must be split into two regions. - * - * TODO(b/156296146): Remove the settings from AGESA and allow coreboot - * to own everything. If not practical, consider erasing all settings - * and have coreboot reprogram them. At that time, make the source - * below more flexible. - * * Note that the code relies on the granularity of the HPET and - * LAPIC addresses being sufficiently large that the shifted limits - * +/-1 are always equivalent to the non-shifted values +/-1. - */ - - unsigned int i; - int reg; - uint32_t base, limit, ctrl; - const uint32_t np_bot = HPET_BASE_ADDRESS >> D18F0_MMIO_SHIFT; - const uint32_t np_top = (LAPIC_DEFAULT_BASE - 1) >> D18F0_MMIO_SHIFT; - - data_fabric_print_mmio_conf(); - - for (i = 0; i < NUM_NB_MMIO_REGS; i++) { - /* Adjust all registers that overlap */ - ctrl = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i)); - if (!(ctrl & (DF_MMIO_WE | DF_MMIO_RE))) - continue; /* not enabled */ - - base = data_fabric_broadcast_read32(0, NB_MMIO_BASE(i)); - limit = data_fabric_broadcast_read32(0, NB_MMIO_LIMIT(i)); - - if (base > np_top || limit < np_bot) - continue; /* no overlap at all */ - - if (base >= np_bot && limit <= np_top) { - data_fabric_disable_mmio_reg(i); /* 100% within, so remove */ - continue; - } - - if (base < np_bot && limit > np_top) { - /* Split the configured region */ - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - /* Although a pair could be freed later, this condition is - * very unusual and deserves analysis. Flag an error and - * leave the topmost part unconfigured. */ - printk(BIOS_ERR, - "Error: Not enough NB MMIO routing registers\n"); - continue; - } - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_top + 1); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), limit); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), ctrl); - continue; - } - - /* If still here, adjust only the base or limit */ - if (base <= np_bot) - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - else - data_fabric_broadcast_write32(0, NB_MMIO_BASE(i), np_top + 1); - } - - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - printk(BIOS_ERR, "Error: cannot configure region as NP\n"); - return; - } - - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_bot); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), np_top); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), - (IOMS0_FABRIC_ID << DF_MMIO_DST_FABRIC_ID_SHIFT) | DF_MMIO_NP - | DF_MMIO_WE | DF_MMIO_RE); - - data_fabric_print_mmio_conf(); -} static const char *data_fabric_acpi_name(const struct device *dev) { diff --git a/src/soc/amd/glinda/include/soc/data_fabric.h b/src/soc/amd/glinda/include/soc/data_fabric.h index 4abbb3ddd3..0bb9561064 100644 --- a/src/soc/amd/glinda/include/soc/data_fabric.h +++ b/src/soc/amd/glinda/include/soc/data_fabric.h @@ -14,6 +14,4 @@ #define NUM_NB_MMIO_REGS 8 -void data_fabric_set_mmio_np(void); - #endif /* AMD_GLINDA_DATA_FABRIC_H */ diff --git a/src/soc/amd/mendocino/chip.c b/src/soc/amd/mendocino/chip.c index 99e33ce3e7..83a485f271 100644 --- a/src/soc/amd/mendocino/chip.c +++ b/src/soc/amd/mendocino/chip.c @@ -2,13 +2,13 @@ /* TODO: Check if this is still correct */ +#include <amdblocks/data_fabric.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <fsp/api.h> #include <soc/acpi.h> #include <soc/cpu.h> -#include <soc/data_fabric.h> #include <soc/pci_devs.h> #include <soc/southbridge.h> #include <types.h> diff --git a/src/soc/amd/mendocino/data_fabric.c b/src/soc/amd/mendocino/data_fabric.c index f1ee4df4b8..2569da8c67 100644 --- a/src/soc/amd/mendocino/data_fabric.c +++ b/src/soc/amd/mendocino/data_fabric.c @@ -1,105 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/* TODO: Check if this is still correct */ - #include <acpi/acpi_device.h> -#include <amdblocks/data_fabric.h> -#include <arch/hpet.h> #include <console/console.h> -#include <cpu/x86/lapic_def.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> -#include <soc/data_fabric.h> -#include <soc/iomap.h> -#include <types.h> - -void data_fabric_set_mmio_np(void) -{ - /* - * Mark region from HPET-LAPIC or 0xfed00000-0xfee00000-1 as NP. - * - * AGESA has already programmed the NB MMIO routing, however nothing - * is yet marked as non-posted. - * - * If there exists an overlapping routing base/limit pair, trim its - * base or limit to avoid the new NP region. If any pair exists - * completely within HPET-LAPIC range, remove it. If any pair surrounds - * HPET-LAPIC, it must be split into two regions. - * - * TODO(b/156296146): Remove the settings from AGESA and allow coreboot - * to own everything. If not practical, consider erasing all settings - * and have coreboot reprogram them. At that time, make the source - * below more flexible. - * * Note that the code relies on the granularity of the HPET and - * LAPIC addresses being sufficiently large that the shifted limits - * +/-1 are always equivalent to the non-shifted values +/-1. - */ - - unsigned int i; - int reg; - uint32_t base, limit, ctrl; - const uint32_t np_bot = HPET_BASE_ADDRESS >> D18F0_MMIO_SHIFT; - const uint32_t np_top = (LAPIC_DEFAULT_BASE - 1) >> D18F0_MMIO_SHIFT; - - data_fabric_print_mmio_conf(); - - for (i = 0; i < NUM_NB_MMIO_REGS; i++) { - /* Adjust all registers that overlap */ - ctrl = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i)); - if (!(ctrl & (DF_MMIO_WE | DF_MMIO_RE))) - continue; /* not enabled */ - - base = data_fabric_broadcast_read32(0, NB_MMIO_BASE(i)); - limit = data_fabric_broadcast_read32(0, NB_MMIO_LIMIT(i)); - - if (base > np_top || limit < np_bot) - continue; /* no overlap at all */ - - if (base >= np_bot && limit <= np_top) { - data_fabric_disable_mmio_reg(i); /* 100% within, so remove */ - continue; - } - - if (base < np_bot && limit > np_top) { - /* Split the configured region */ - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - /* Although a pair could be freed later, this condition is - * very unusual and deserves analysis. Flag an error and - * leave the topmost part unconfigured. */ - printk(BIOS_ERR, - "Error: Not enough NB MMIO routing registers\n"); - continue; - } - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_top + 1); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), limit); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), ctrl); - continue; - } - - /* If still here, adjust only the base or limit */ - if (base <= np_bot) - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - else - data_fabric_broadcast_write32(0, NB_MMIO_BASE(i), np_top + 1); - } - - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - printk(BIOS_ERR, "Error: cannot configure region as NP\n"); - return; - } - - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_bot); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), np_top); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), - (IOMS0_FABRIC_ID << DF_MMIO_DST_FABRIC_ID_SHIFT) | DF_MMIO_NP - | DF_MMIO_WE | DF_MMIO_RE); - - data_fabric_print_mmio_conf(); -} static const char *data_fabric_acpi_name(const struct device *dev) { diff --git a/src/soc/amd/mendocino/include/soc/data_fabric.h b/src/soc/amd/mendocino/include/soc/data_fabric.h index c7727bb484..a73bc424ef 100644 --- a/src/soc/amd/mendocino/include/soc/data_fabric.h +++ b/src/soc/amd/mendocino/include/soc/data_fabric.h @@ -12,6 +12,4 @@ #define NUM_NB_MMIO_REGS 8 -void data_fabric_set_mmio_np(void); - #endif /* AMD_MENDOCINO_DATA_FABRIC_H */ diff --git a/src/soc/amd/morgana/chip.c b/src/soc/amd/morgana/chip.c index 086211e2c2..13d2638723 100644 --- a/src/soc/amd/morgana/chip.c +++ b/src/soc/amd/morgana/chip.c @@ -2,13 +2,13 @@ /* TODO: Update for Morgana */ +#include <amdblocks/data_fabric.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <fsp/api.h> #include <soc/acpi.h> #include <soc/cpu.h> -#include <soc/data_fabric.h> #include <soc/pci_devs.h> #include <soc/southbridge.h> #include <types.h> diff --git a/src/soc/amd/morgana/data_fabric.c b/src/soc/amd/morgana/data_fabric.c index 2f72e3a654..6c02d21557 100644 --- a/src/soc/amd/morgana/data_fabric.c +++ b/src/soc/amd/morgana/data_fabric.c @@ -3,103 +3,10 @@ /* TODO: Update for Morgana */ #include <acpi/acpi_device.h> -#include <amdblocks/data_fabric.h> -#include <arch/hpet.h> #include <console/console.h> -#include <cpu/x86/lapic_def.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> -#include <soc/data_fabric.h> -#include <soc/iomap.h> -#include <types.h> - -void data_fabric_set_mmio_np(void) -{ - /* - * Mark region from HPET-LAPIC or 0xfed00000-0xfee00000-1 as NP. - * - * AGESA has already programmed the NB MMIO routing, however nothing - * is yet marked as non-posted. - * - * If there exists an overlapping routing base/limit pair, trim its - * base or limit to avoid the new NP region. If any pair exists - * completely within HPET-LAPIC range, remove it. If any pair surrounds - * HPET-LAPIC, it must be split into two regions. - * - * TODO(b/156296146): Remove the settings from AGESA and allow coreboot - * to own everything. If not practical, consider erasing all settings - * and have coreboot reprogram them. At that time, make the source - * below more flexible. - * * Note that the code relies on the granularity of the HPET and - * LAPIC addresses being sufficiently large that the shifted limits - * +/-1 are always equivalent to the non-shifted values +/-1. - */ - - unsigned int i; - int reg; - uint32_t base, limit, ctrl; - const uint32_t np_bot = HPET_BASE_ADDRESS >> D18F0_MMIO_SHIFT; - const uint32_t np_top = (LAPIC_DEFAULT_BASE - 1) >> D18F0_MMIO_SHIFT; - - data_fabric_print_mmio_conf(); - - for (i = 0; i < NUM_NB_MMIO_REGS; i++) { - /* Adjust all registers that overlap */ - ctrl = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i)); - if (!(ctrl & (DF_MMIO_WE | DF_MMIO_RE))) - continue; /* not enabled */ - - base = data_fabric_broadcast_read32(0, NB_MMIO_BASE(i)); - limit = data_fabric_broadcast_read32(0, NB_MMIO_LIMIT(i)); - - if (base > np_top || limit < np_bot) - continue; /* no overlap at all */ - - if (base >= np_bot && limit <= np_top) { - data_fabric_disable_mmio_reg(i); /* 100% within, so remove */ - continue; - } - - if (base < np_bot && limit > np_top) { - /* Split the configured region */ - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - /* Although a pair could be freed later, this condition is - * very unusual and deserves analysis. Flag an error and - * leave the topmost part unconfigured. */ - printk(BIOS_ERR, - "Error: Not enough NB MMIO routing registers\n"); - continue; - } - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_top + 1); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), limit); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), ctrl); - continue; - } - - /* If still here, adjust only the base or limit */ - if (base <= np_bot) - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - else - data_fabric_broadcast_write32(0, NB_MMIO_BASE(i), np_top + 1); - } - - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - printk(BIOS_ERR, "Error: cannot configure region as NP\n"); - return; - } - - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_bot); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), np_top); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), - (IOMS0_FABRIC_ID << DF_MMIO_DST_FABRIC_ID_SHIFT) | DF_MMIO_NP - | DF_MMIO_WE | DF_MMIO_RE); - - data_fabric_print_mmio_conf(); -} static const char *data_fabric_acpi_name(const struct device *dev) { diff --git a/src/soc/amd/morgana/include/soc/data_fabric.h b/src/soc/amd/morgana/include/soc/data_fabric.h index eba4cd8b98..c210e473e1 100644 --- a/src/soc/amd/morgana/include/soc/data_fabric.h +++ b/src/soc/amd/morgana/include/soc/data_fabric.h @@ -14,6 +14,4 @@ #define NUM_NB_MMIO_REGS 8 -void data_fabric_set_mmio_np(void); - #endif /* AMD_MORGANA_DATA_FABRIC_H */ diff --git a/src/soc/amd/picasso/chip.c b/src/soc/amd/picasso/chip.c index 37e62e2b8f..fc30af9dda 100644 --- a/src/soc/amd/picasso/chip.c +++ b/src/soc/amd/picasso/chip.c @@ -1,12 +1,12 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <amdblocks/data_fabric.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <drivers/i2c/designware/dw_i2c.h> #include <soc/acpi.h> #include <soc/cpu.h> -#include <soc/data_fabric.h> #include <soc/iomap.h> #include <soc/pci_devs.h> #include <soc/southbridge.h> diff --git a/src/soc/amd/picasso/data_fabric.c b/src/soc/amd/picasso/data_fabric.c index ddc280bc67..a25115886e 100644 --- a/src/soc/amd/picasso/data_fabric.c +++ b/src/soc/amd/picasso/data_fabric.c @@ -1,102 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include <acpi/acpi_device.h> -#include <amdblocks/data_fabric.h> -#include <arch/hpet.h> #include <console/console.h> -#include <cpu/x86/lapic_def.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> -#include <soc/data_fabric.h> -#include <soc/iomap.h> -#include <types.h> - -void data_fabric_set_mmio_np(void) -{ - /* - * Mark region from HPET-LAPIC or 0xfed00000-0xfee00000-1 as NP. - * - * AGESA has already programmed the NB MMIO routing, however nothing - * is yet marked as non-posted. - * - * If there exists an overlapping routing base/limit pair, trim its - * base or limit to avoid the new NP region. If any pair exists - * completely within HPET-LAPIC range, remove it. If any pair surrounds - * HPET-LAPIC, it must be split into two regions. - * - * TODO(b/156296146): Remove the settings from AGESA and allow coreboot - * to own everything. If not practical, consider erasing all settings - * and have coreboot reprogram them. At that time, make the source - * below more flexible. - * * Note that the code relies on the granularity of the HPET and - * LAPIC addresses being sufficiently large that the shifted limits - * +/-1 are always equivalent to the non-shifted values +/-1. - */ - - unsigned int i; - int reg; - uint32_t base, limit, ctrl; - const uint32_t np_bot = HPET_BASE_ADDRESS >> D18F0_MMIO_SHIFT; - const uint32_t np_top = (LAPIC_DEFAULT_BASE - 1) >> D18F0_MMIO_SHIFT; - - data_fabric_print_mmio_conf(); - - for (i = 0; i < NUM_NB_MMIO_REGS; i++) { - /* Adjust all registers that overlap */ - ctrl = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i)); - if (!(ctrl & (DF_MMIO_WE | DF_MMIO_RE))) - continue; /* not enabled */ - - base = data_fabric_broadcast_read32(0, NB_MMIO_BASE(i)); - limit = data_fabric_broadcast_read32(0, NB_MMIO_LIMIT(i)); - - if (base > np_top || limit < np_bot) - continue; /* no overlap at all */ - - if (base >= np_bot && limit <= np_top) { - data_fabric_disable_mmio_reg(i); /* 100% within, so remove */ - continue; - } - - if (base < np_bot && limit > np_top) { - /* Split the configured region */ - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - /* Although a pair could be freed later, this condition is - * very unusual and deserves analysis. Flag an error and - * leave the topmost part unconfigured. */ - printk(BIOS_ERR, "Not enough NB MMIO routing registers\n"); - continue; - } - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_top + 1); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), limit); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), ctrl); - continue; - } - - /* If still here, adjust only the base or limit */ - if (base <= np_bot) - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - else - data_fabric_broadcast_write32(0, NB_MMIO_BASE(i), np_top + 1); - } - - reg = data_fabric_find_unused_mmio_reg(); - if (reg < 0) { - printk(BIOS_ERR, "cannot configure region as NP\n"); - return; - } - - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_bot); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), np_top); - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), - (IOMS0_FABRIC_ID << DF_MMIO_DST_FABRIC_ID_SHIFT) | DF_MMIO_NP - | DF_MMIO_WE | DF_MMIO_RE); - - data_fabric_print_mmio_conf(); -} static const char *data_fabric_acpi_name(const struct device *dev) { diff --git a/src/soc/amd/picasso/include/soc/data_fabric.h b/src/soc/amd/picasso/include/soc/data_fabric.h index 5533433126..054ca89e48 100644 --- a/src/soc/amd/picasso/include/soc/data_fabric.h +++ b/src/soc/amd/picasso/include/soc/data_fabric.h @@ -49,6 +49,4 @@ #define DF_DRAM_LIMIT(dram_map_pair) ((dram_map_pair) * 2 * sizeof(uint32_t) \ + D18F0_DRAM_LIMIT0) -void data_fabric_set_mmio_np(void); - #endif /* AMD_PICASSO_DATA_FABRIC_H */ |