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author | Arthur Heymans <arthur@aheymans.xyz> | 2019-05-28 13:51:36 +0200 |
---|---|---|
committer | Patrick Georgi <pgeorgi@google.com> | 2019-09-30 12:02:15 +0000 |
commit | ebf201b8f563ece11ceb60d81ba9cd676020da42 (patch) | |
tree | bdb00435ca3840475f3947c7432a3f564648c40d /src/southbridge | |
parent | ff5eb86aeb3e2129882120150132ba83dd1efea0 (diff) | |
download | coreboot-ebf201b8f563ece11ceb60d81ba9cd676020da42.tar.gz coreboot-ebf201b8f563ece11ceb60d81ba9cd676020da42.tar.bz2 coreboot-ebf201b8f563ece11ceb60d81ba9cd676020da42.zip |
sb/intel/bd82x6x: Use common final SPI OPs setup
This also reworks the interface to override OPs from the devicetree to
match the interface in sb/intel/common/spi.
Change-Id: I534e989279d771ec4c0249af325bc3b30a661145
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33040
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/southbridge')
-rw-r--r-- | src/southbridge/intel/bd82x6x/chip.h | 10 | ||||
-rw-r--r-- | src/southbridge/intel/bd82x6x/lpc.c | 46 | ||||
-rw-r--r-- | src/southbridge/intel/bd82x6x/pch.h | 41 |
3 files changed, 21 insertions, 76 deletions
diff --git a/src/southbridge/intel/bd82x6x/chip.h b/src/southbridge/intel/bd82x6x/chip.h index 4be91522d2eb..9f9c4455bbfa 100644 --- a/src/southbridge/intel/bd82x6x/chip.h +++ b/src/southbridge/intel/bd82x6x/chip.h @@ -16,6 +16,7 @@ #ifndef SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H #define SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H +#include <southbridge/intel/common/spi.h> #include <stdint.h> struct southbridge_intel_bd82x6x_config { @@ -96,14 +97,7 @@ struct southbridge_intel_bd82x6x_config { uint32_t spi_uvscc; uint32_t spi_lvscc; - struct { - uint8_t opprefixes[2]; - struct { - uint8_t needs_address; - uint8_t is_write; - uint8_t op; - } ops[8]; - } spi; + struct intel_swseq_spi_config spi; }; #endif /* SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H */ diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c index 592c70f8b43c..b8df7aad106a 100644 --- a/src/southbridge/intel/bd82x6x/lpc.c +++ b/src/southbridge/intel/bd82x6x/lpc.c @@ -39,6 +39,7 @@ #include <southbridge/intel/common/acpi_pirq_gen.h> #include <southbridge/intel/common/pmutil.h> #include <southbridge/intel/common/rtc.h> +#include <southbridge/intel/common/spi.h> #define NMI_OFF 0 @@ -874,33 +875,7 @@ static void southbridge_fill_ssdt(struct device *device) static void lpc_final(struct device *dev) { - u16 spi_opprefix = SPI_OPPREFIX; - u16 spi_optype = SPI_OPTYPE; - u32 spi_opmenu[2] = { SPI_OPMENU_LOWER, SPI_OPMENU_UPPER }; - - /* Configure SPI opcode menu; devicetree may override defaults. */ - const config_t *const config = dev->chip_info; - if (config && config->spi.ops[0].op) { - unsigned int i; - - spi_opprefix = 0; - spi_optype = 0; - spi_opmenu[0] = 0; - spi_opmenu[1] = 0; - for (i = 0; i < sizeof(spi_opprefix); ++i) - spi_opprefix |= config->spi.opprefixes[i] << i * 8; - for (i = 0; i < sizeof(spi_opmenu); ++i) { - spi_optype |= - config->spi.ops[i].is_write << 2 * i | - config->spi.ops[i].needs_address << (2 * i + 1); - spi_opmenu[i / 4] |= - config->spi.ops[i].op << (i % 4) * 8; - } - } - RCBA16(0x3894) = spi_opprefix; - RCBA16(0x3896) = spi_optype; - RCBA32(0x3898) = spi_opmenu[0]; - RCBA32(0x389c) = spi_opmenu[1]; + spi_finalize_ops(); /* Call SMM finalize() handlers before resume */ if (CONFIG(HAVE_SMI_HANDLER)) { @@ -911,6 +886,23 @@ static void lpc_final(struct device *dev) } } +void intel_southbridge_override_spi( + struct intel_swseq_spi_config *spi_config) +{ + struct device *dev = pcidev_on_root(0x1f, 0); + + if (!dev) + return; + /* Devicetree may override defaults. */ + const config_t *const config = dev->chip_info; + + if (!config) + return; + + if (config->spi.ops[0].op != 0) + memcpy(spi_config, &config->spi, sizeof(*spi_config)); +} + static struct pci_operations pci_ops = { .set_subsystem = pci_dev_set_subsystem, }; diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h index fcb15ac99e4b..cb0691fea2f0 100644 --- a/src/southbridge/intel/bd82x6x/pch.h +++ b/src/southbridge/intel/bd82x6x/pch.h @@ -561,47 +561,6 @@ void early_usb_init(const struct southbridge_usb_port *portmap); #define TCO_LOCK (1 << 12) #define TCO2_CNT 0x6a -/* - * SPI Opcode Menu setup for SPIBAR lockdown - * should support most common flash chips. - */ - -#define SPI_OPMENU_0 0x01 /* WRSR: Write Status Register */ -#define SPI_OPTYPE_0 0x01 /* Write, no address */ - -#define SPI_OPMENU_1 0x02 /* BYPR: Byte Program */ -#define SPI_OPTYPE_1 0x03 /* Write, address required */ - -#define SPI_OPMENU_2 0x03 /* READ: Read Data */ -#define SPI_OPTYPE_2 0x02 /* Read, address required */ - -#define SPI_OPMENU_3 0x05 /* RDSR: Read Status Register */ -#define SPI_OPTYPE_3 0x00 /* Read, no address */ - -#define SPI_OPMENU_4 0x20 /* SE20: Sector Erase 0x20 */ -#define SPI_OPTYPE_4 0x03 /* Write, address required */ - -#define SPI_OPMENU_5 0x9f /* RDID: Read ID */ -#define SPI_OPTYPE_5 0x00 /* Read, no address */ - -#define SPI_OPMENU_6 0xd8 /* BED8: Block Erase 0xd8 */ -#define SPI_OPTYPE_6 0x03 /* Write, address required */ - -#define SPI_OPMENU_7 0x0b /* FAST: Fast Read */ -#define SPI_OPTYPE_7 0x02 /* Read, address required */ - -#define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \ - (SPI_OPMENU_5 << 8) | SPI_OPMENU_4) -#define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \ - (SPI_OPMENU_1 << 8) | SPI_OPMENU_0) - -#define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \ - (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) | \ - (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) | \ - (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0)) - -#define SPI_OPPREFIX ((0x50 << 8) | 0x06) /* EWSR and WREN */ - #define SPIBAR_HSFS 0x3804 /* SPI hardware sequence status */ #define SPIBAR_HSFS_SCIP (1 << 5) /* SPI Cycle In Progress */ #define SPIBAR_HSFS_AEL (1 << 2) /* SPI Access Error Log */ |