diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/apollolake/gspi.c | 51 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/spi.c | 15 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/gspi.c | 51 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/spi.c | 15 | ||||
| -rw-r--r-- | src/soc/intel/common/block/gspi/gspi.c | 64 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/gspi.h | 14 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/spi.h | 6 | ||||
| -rw-r--r-- | src/soc/intel/skylake/gspi.c | 51 | ||||
| -rw-r--r-- | src/soc/intel/skylake/spi.c | 13 |
9 files changed, 86 insertions, 194 deletions
diff --git a/src/soc/intel/apollolake/gspi.c b/src/soc/intel/apollolake/gspi.c index af32ebd5a0..5e52548e90 100644 --- a/src/soc/intel/apollolake/gspi.c +++ b/src/soc/intel/apollolake/gspi.c @@ -14,51 +14,18 @@ * GNU General Public License for more details. */ -#include <console/console.h> -#include <device/device.h> #include <intelblocks/gspi.h> -#include <intelblocks/spi.h> -#include <soc/iomap.h> #include <soc/pci_devs.h> -#include "chip.h" - -const struct gspi_cfg *gspi_get_soc_cfg(void) -{ - const struct soc_intel_common_config *common_config; - common_config = chip_get_common_soc_structure(); - - return &common_config->gspi[0]; -} - -uintptr_t gspi_get_soc_early_base(void) -{ - return EARLY_GSPI_BASE_ADDRESS; -} - -/* - * SPI Bus 0 is Fast SPI and GSPI starts from SPI bus # 1 onwards. Thus, adjust - * the bus # accordingly when referring to SPI / GSPI bus numbers. - */ -#define GSPI_TO_SPI_BUS(x) (x) -#define SPI_TO_GSPI_BUS(x) ((x) - 1) - -int gspi_soc_spi_to_gspi_bus(unsigned int spi_bus, unsigned int *gspi_bus) -{ - if (spi_bus == 0) - return -1; - - if (SPI_TO_GSPI_BUS(spi_bus) >= CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX) - return -1; - - *gspi_bus = SPI_TO_GSPI_BUS(spi_bus); - - return 0; -} int gspi_soc_bus_to_devfn(unsigned int gspi_bus) { - if (gspi_bus >= CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX) - return -1; - - return spi_soc_bus_to_devfn(GSPI_TO_SPI_BUS(gspi_bus)); + switch (gspi_bus) { + case 0: + return PCH_DEVFN_SPI0; + case 1: + return PCH_DEVFN_SPI1; + case 2: + return PCH_DEVFN_SPI2; + } + return -1; } diff --git a/src/soc/intel/apollolake/spi.c b/src/soc/intel/apollolake/spi.c index 8d9f000226..b85d6b134f 100644 --- a/src/soc/intel/apollolake/spi.c +++ b/src/soc/intel/apollolake/spi.c @@ -2,7 +2,7 @@ * This file is part of the coreboot project. * * Copyright 2016 Google Inc. - * Copyright 2017 Intel Corporation + * Copyright 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -30,16 +30,3 @@ int spi_soc_devfn_to_bus(unsigned int devfn) } return -1; } - -int spi_soc_bus_to_devfn(unsigned int bus) -{ - switch (bus) { - case 0: - return PCH_DEVFN_SPI0; - case 1: - return PCH_DEVFN_SPI1; - case 2: - return PCH_DEVFN_SPI2; - } - return -1; -} diff --git a/src/soc/intel/cannonlake/gspi.c b/src/soc/intel/cannonlake/gspi.c index 4b00f3a0f8..c5998b50e2 100644 --- a/src/soc/intel/cannonlake/gspi.c +++ b/src/soc/intel/cannonlake/gspi.c @@ -14,51 +14,18 @@ * GNU General Public License for more details. */ -#include <assert.h> -#include <device/device.h> -#include <intelblocks/chip.h> #include <intelblocks/gspi.h> -#include <intelblocks/spi.h> -#include <soc/iomap.h> #include <soc/pci_devs.h> -#include "chip.h" - -const struct gspi_cfg *gspi_get_soc_cfg(void) -{ - const struct soc_intel_common_config *common_config; - common_config = chip_get_common_soc_structure(); - - return &common_config->gspi[0]; -} - -uintptr_t gspi_get_soc_early_base(void) -{ - return EARLY_GSPI_BASE_ADDRESS; -} - -/* - * SPI Bus 0 is Fast SPI and GSPI starts from SPI bus # 1 onwards. Thus, adjust - * the bus # accordingly when referring to SPI / GSPI bus numbers. - */ -#define GSPI_TO_SPI_BUS(x) ((x) + 1) -#define SPI_TO_GSPI_BUS(x) ((x) - 1) - -int gspi_soc_spi_to_gspi_bus(unsigned int spi_bus, unsigned int *gspi_bus) -{ - if (spi_bus == 0) - return -1; - - *gspi_bus = SPI_TO_GSPI_BUS(spi_bus); - if (*gspi_bus >= CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX) - return -1; - - return 0; -} int gspi_soc_bus_to_devfn(unsigned int gspi_bus) { - if (gspi_bus >= CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX) - return -1; - - return spi_soc_bus_to_devfn(GSPI_TO_SPI_BUS(gspi_bus)); + switch (gspi_bus) { + case 0: + return PCH_DEVFN_GSPI0; + case 1: + return PCH_DEVFN_GSPI1; + case 2: + return PCH_DEVFN_GSPI2; + } + return -1; } diff --git a/src/soc/intel/cannonlake/spi.c b/src/soc/intel/cannonlake/spi.c index a601624a5e..4989cd49aa 100644 --- a/src/soc/intel/cannonlake/spi.c +++ b/src/soc/intel/cannonlake/spi.c @@ -32,18 +32,3 @@ int spi_soc_devfn_to_bus(unsigned int devfn) } return -1; } - -int spi_soc_bus_to_devfn(unsigned int bus) -{ - switch (bus) { - case 0: - return PCH_DEVFN_SPI; - case 1: - return PCH_DEVFN_GSPI0; - case 2: - return PCH_DEVFN_GSPI1; - case 3: - return PCH_DEVFN_GSPI2; - } - return -1; -} diff --git a/src/soc/intel/common/block/gspi/gspi.c b/src/soc/intel/common/block/gspi/gspi.c index c7e1c6af0c..35c34cecbc 100644 --- a/src/soc/intel/common/block/gspi/gspi.c +++ b/src/soc/intel/common/block/gspi/gspi.c @@ -23,7 +23,11 @@ #include <device/device.h> #include <device/pci_def.h> #include <device/pci_ops.h> +#include <intelblocks/chip.h> #include <intelblocks/gspi.h> +#include <intelblocks/spi.h> +#include <soc/iomap.h> +#include <soc/pci_devs.h> #include <string.h> #include <timer.h> @@ -109,6 +113,21 @@ #define GSPI_DATA_BIT_LENGTH (8) #define GSPI_BUS_BASE(bar, bus) ((bar) + (bus) * 4 * KiB) +/* Get base address for early init of GSPI controllers. */ +static uintptr_t gspi_get_early_base(void) +{ + return EARLY_GSPI_BASE_ADDRESS; +} + +/* Get gspi_config array from devicetree. Returns NULL in case of error. */ +static const struct gspi_cfg *gspi_get_cfg(void) +{ + const struct soc_intel_common_config *common_config; + common_config = chip_get_common_soc_structure(); + + return &common_config->gspi[0]; +} + #if defined(__SIMPLE_DEVICE__) static uintptr_t gspi_get_base_addr(int devfn, @@ -131,7 +150,7 @@ void gspi_early_bar_init(void) { unsigned int gspi_bus; const unsigned int gspi_max = CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX; - const struct gspi_cfg *cfg = gspi_get_soc_cfg(); + const struct gspi_cfg *cfg = gspi_get_cfg(); int devfn; uintptr_t gspi_base_addr; @@ -142,7 +161,7 @@ void gspi_early_bar_init(void) return; } - gspi_base_addr = gspi_get_soc_early_base(); + gspi_base_addr = gspi_get_early_base(); if (!gspi_base_addr) { printk(BIOS_ERR, "%s: GSPI base address provided is NULL!\n", __func__); @@ -174,6 +193,41 @@ static void gspi_set_base_addr(int devfn, struct device *dev, uintptr_t base) #endif +static int gspi_read_bus_range(unsigned int *start, unsigned int *end) +{ + size_t i; + const struct spi_ctrlr_buses *desc; + + for (i = 0; i < spi_ctrlr_bus_map_count; i++) { + desc = &spi_ctrlr_bus_map[i]; + + if (desc->ctrlr != &gspi_ctrlr) + continue; + + *start = desc->bus_start; + *end = desc->bus_end; + + return 0; + } + return -1; +} + +static int gspi_spi_to_gspi_bus(unsigned int spi_bus, unsigned int *gspi_bus) +{ + unsigned int start; + unsigned int end; + int ret; + + ret = gspi_read_bus_range(&start, &end); + + if (ret != 0 || (spi_bus < start) || (spi_bus > end)) + return -1; + + *gspi_bus = spi_bus - start; + + return 0; +} + static uintptr_t gspi_calc_base_addr(unsigned int gspi_bus) { uintptr_t bus_base, gspi_base_addr; @@ -191,7 +245,7 @@ static uintptr_t gspi_calc_base_addr(unsigned int gspi_bus) if (bus_base) return bus_base; - gspi_base_addr = gspi_get_soc_early_base(); + gspi_base_addr = gspi_get_early_base(); if (!gspi_base_addr) return 0; @@ -203,7 +257,7 @@ static uintptr_t gspi_calc_base_addr(unsigned int gspi_bus) static uint32_t gspi_get_bus_clk_mhz(unsigned int gspi_bus) { - const struct gspi_cfg *cfg = gspi_get_soc_cfg(); + const struct gspi_cfg *cfg = gspi_get_cfg(); if (!cfg) return 0; return cfg[gspi_bus].speed_mhz; @@ -249,7 +303,7 @@ static int gspi_ctrlr_params_init(struct gspi_ctrlr_params *p, { memset(p, 0, sizeof(*p)); - if (gspi_soc_spi_to_gspi_bus(spi_bus, &p->gspi_bus)) { + if (gspi_spi_to_gspi_bus(spi_bus, &p->gspi_bus)) { printk(BIOS_ERR, "%s: No GSPI bus available for SPI bus %u.\n", __func__, spi_bus); return -1; diff --git a/src/soc/intel/common/block/include/intelblocks/gspi.h b/src/soc/intel/common/block/include/intelblocks/gspi.h index 4e10e25d3e..516d0ad4e3 100644 --- a/src/soc/intel/common/block/include/intelblocks/gspi.h +++ b/src/soc/intel/common/block/include/intelblocks/gspi.h @@ -33,20 +33,6 @@ struct gspi_cfg { void gspi_early_bar_init(void); /* SoC-callbacks */ -/* Get gspi_config array from SoC. Returns NULL in case of error. */ -const struct gspi_cfg *gspi_get_soc_cfg(void); - -/* Get base address for early init of GSPI controllers. */ -uintptr_t gspi_get_soc_early_base(void); - -/* - * Map given SPI bus number to GSPI bus number. - * Return value: - * 0 = success - * -1 = error - */ -int gspi_soc_spi_to_gspi_bus(unsigned int spi_bus, unsigned int *gspi_bus); - /* * Map given GSPI bus number to devfn. * Return value: diff --git a/src/soc/intel/common/block/include/intelblocks/spi.h b/src/soc/intel/common/block/include/intelblocks/spi.h index e652a369d8..9fdf8ee1c0 100644 --- a/src/soc/intel/common/block/include/intelblocks/spi.h +++ b/src/soc/intel/common/block/include/intelblocks/spi.h @@ -28,10 +28,4 @@ */ int spi_soc_devfn_to_bus(unsigned int devfn); -/* Function to convert input bus number to device function - * Input: Bus number - * Output: -1 translate to Error, >=0 is function number - */ -int spi_soc_bus_to_devfn(unsigned int bus); - #endif /* SOC_INTEL_COMMON_BLOCK_SPI_H */ diff --git a/src/soc/intel/skylake/gspi.c b/src/soc/intel/skylake/gspi.c index ed36c7a15a..3fb7c5048d 100644 --- a/src/soc/intel/skylake/gspi.c +++ b/src/soc/intel/skylake/gspi.c @@ -13,51 +13,16 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ - -#include <assert.h> -#include <device/device.h> -#include <intelblocks/chip.h> #include <intelblocks/gspi.h> -#include <intelblocks/spi.h> -#include <soc/iomap.h> -#include "chip.h" - -const struct gspi_cfg *gspi_get_soc_cfg(void) -{ - const struct soc_intel_common_config *common_config; - common_config = chip_get_common_soc_structure(); - - return &common_config->gspi[0]; -} - -uintptr_t gspi_get_soc_early_base(void) -{ - return EARLY_GSPI_BASE_ADDRESS; -} - -/* - * SPI Bus 0 is Fast SPI and GSPI starts from SPI bus # 1 onwards. Thus, adjust - * the bus # accordingly when referring to SPI / GSPI bus numbers. - */ -#define GSPI_TO_SPI_BUS(x) (x + 1) -#define SPI_TO_GSPI_BUS(x) (x - 1) - -int gspi_soc_spi_to_gspi_bus(unsigned int spi_bus, unsigned int *gspi_bus) -{ - if (spi_bus == 0) - return -1; - - *gspi_bus = SPI_TO_GSPI_BUS(spi_bus); - if (*gspi_bus >= CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX) - return -1; - - return 0; -} +#include <soc/pci_devs.h> int gspi_soc_bus_to_devfn(unsigned int gspi_bus) { - if (gspi_bus >= CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX) - return -1; - - return spi_soc_bus_to_devfn(GSPI_TO_SPI_BUS(gspi_bus)); + switch (gspi_bus) { + case 0: + return PCH_DEVFN_GSPI0; + case 1: + return PCH_DEVFN_GSPI1; + } + return -1; } diff --git a/src/soc/intel/skylake/spi.c b/src/soc/intel/skylake/spi.c index 020994dbe8..b2d8de92b6 100644 --- a/src/soc/intel/skylake/spi.c +++ b/src/soc/intel/skylake/spi.c @@ -30,16 +30,3 @@ int spi_soc_devfn_to_bus(unsigned int devfn) } return -1; } - -int spi_soc_bus_to_devfn(unsigned int bus) -{ - switch (bus) { - case 0: - return PCH_DEVFN_SPI; - case 1: - return PCH_DEVFN_GSPI0; - case 2: - return PCH_DEVFN_GSPI1; - } - return -1; -} |