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-rw-r--r--src/soc/amd/common/block/include/amdblocks/fch_spi.h12
-rw-r--r--src/soc/amd/stoneyridge/Kconfig2
-rw-r--r--src/soc/amd/stoneyridge/Makefile.inc5
-rw-r--r--src/soc/amd/stoneyridge/include/soc/southbridge.h14
-rw-r--r--src/soc/amd/stoneyridge/spi.c188
5 files changed, 12 insertions, 209 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/fch_spi.h b/src/soc/amd/common/block/include/amdblocks/fch_spi.h
index 24cfbfc74a..cfbdf198b5 100644
--- a/src/soc/amd/common/block/include/amdblocks/fch_spi.h
+++ b/src/soc/amd/common/block/include/amdblocks/fch_spi.h
@@ -28,13 +28,21 @@
#define IDCODE_LEN (IDCODE_CONT_LEN + IDCODE_PART_LEN)
/* SPI MMIO registers */
-#define SPI_CNTRL0 0x00
-#define SPI_ACCESS_MAC_ROM_EN BIT(22)
#define SPI_RESTRICTED_CMD1 0x04
#define SPI_RESTRICTED_CMD2 0x08
#define SPI_CNTRL1 0x0c
#define SPI_CMD_CODE 0x45
#define SPI_CMD_TRIGGER 0x47
+#define SPI_CMD_TRIGGER_EXECUTE BIT(7)
+#define SPI_TX_BYTE_COUNT 0x48
+#define SPI_RX_BYTE_COUNT 0x4b
+#define SPI_STATUS 0x4c
+#define SPI_DONE_BYTE_COUNT_SHIFT 0
+#define SPI_DONE_BYTE_COUNT_MASK 0xff
+#define SPI_FIFO_WR_PTR_SHIFT 8
+#define SPI_FIFO_WR_PTR_MASK 0x7f
+#define SPI_FIFO_RD_PTR_SHIFT 16
+#define SPI_FIFO_RD_PTR_MASK 0x7f
/* Special SST write commands */
#define CMD_SST_BP 0x02 /* Byte Program */
diff --git a/src/soc/amd/stoneyridge/Kconfig b/src/soc/amd/stoneyridge/Kconfig
index f1d08c03d7..72719d7179 100644
--- a/src/soc/amd/stoneyridge/Kconfig
+++ b/src/soc/amd/stoneyridge/Kconfig
@@ -52,7 +52,7 @@ config CPU_SPECIFIC_OPTIONS
select GENERIC_UDELAY
select IOAPIC
select HAVE_USBDEBUG_OPTIONS
- select SPI_FLASH if HAVE_ACPI_RESUME
+ select SOC_AMD_COMMON_BLOCK_SPI
select TSC_SYNC_LFENCE
select COLLECT_TIMESTAMPS
select SOC_AMD_PI
diff --git a/src/soc/amd/stoneyridge/Makefile.inc b/src/soc/amd/stoneyridge/Makefile.inc
index 0fed074523..53aabf5d65 100644
--- a/src/soc/amd/stoneyridge/Makefile.inc
+++ b/src/soc/amd/stoneyridge/Makefile.inc
@@ -49,7 +49,6 @@ bootblock-y += reset.c
bootblock-y += tsc_freq.c
bootblock-y += southbridge.c
bootblock-y += nb_util.c
-bootblock-$(CONFIG_SPI_FLASH) += spi.c
bootblock-$(CONFIG_HAVE_SMI_HANDLER) += smi_util.c
romstage-y += BiosCallOuts.c
@@ -67,7 +66,6 @@ romstage-$(CONFIG_STONEYRIDGE_UART) += uart.c
romstage-y += tsc_freq.c
romstage-y += southbridge.c
romstage-y += nb_util.c
-romstage-$(CONFIG_SPI_FLASH) += spi.c
romstage-$(CONFIG_HAVE_SMI_HANDLER) += smi_util.c
verstage-y += gpio.c
@@ -78,7 +76,6 @@ verstage-y += reset.c
verstage-$(CONFIG_STONEYRIDGE_UART) += uart.c
verstage-y += tsc_freq.c
verstage-y += nb_util.c
-verstage-$(CONFIG_SPI_FLASH) += spi.c
postcar-y += monotonic_timer.c
postcar-$(CONFIG_STONEYRIDGE_UART) += uart.c
@@ -109,7 +106,6 @@ ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi_util.c
ramstage-$(CONFIG_STONEYRIDGE_UART) += uart.c
ramstage-y += usb.c
ramstage-y += tsc_freq.c
-ramstage-$(CONFIG_SPI_FLASH) += spi.c
ramstage-y += finalize.c
ramstage-y += nb_util.c
@@ -118,7 +114,6 @@ smm-y += smihandler.c
smm-y += smi_util.c
smm-y += tsc_freq.c
smm-$(CONFIG_DEBUG_SMI) += uart.c
-smm-$(CONFIG_SPI_FLASH) += spi.c
smm-y += nb_util.c
smm-y += gpio.c
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h
index 07c92a185c..dd514ab88f 100644
--- a/src/soc/amd/stoneyridge/include/soc/southbridge.h
+++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h
@@ -265,22 +265,10 @@
#define SPI_READ_MODE_QUAD144 (BIT(30) | BIT(18))
#define SPI_READ_MODE_NORMAL66 (BIT(30) | BIT(29) )
#define SPI_READ_MODE_FAST (BIT(30) | BIT(29) | BIT(18))
+#define SPI_ACCESS_MAC_ROM_EN BIT(22)
#define SPI_FIFO_PTR_CLR BIT(20)
#define SPI_ARB_ENABLE BIT(19)
#define EXEC_OPCODE BIT(16)
-#define SPI_CNTRL1 0x0c
-#define SPI_CMD_CODE 0x45
-#define SPI_CMD_TRIGGER 0x47
-#define SPI_CMD_TRIGGER_EXECUTE BIT(7)
-#define SPI_TX_BYTE_COUNT 0x48
-#define SPI_RX_BYTE_COUNT 0x4b
-#define SPI_STATUS 0x4c
-#define SPI_DONE_BYTE_COUNT_SHIFT 0
-#define SPI_DONE_BYTE_COUNT_MASK 0xff
-#define SPI_FIFO_WR_PTR_SHIFT 8
-#define SPI_FIFO_WR_PTR_MASK 0x7f
-#define SPI_FIFO_RD_PTR_SHIFT 16
-#define SPI_FIFO_RD_PTR_MASK 0x7f
#define SPI_FIFO 0x80
#define SPI_FIFO_DEPTH (0xc7 - SPI_FIFO)
diff --git a/src/soc/amd/stoneyridge/spi.c b/src/soc/amd/stoneyridge/spi.c
deleted file mode 100644
index 60b6a20dbe..0000000000
--- a/src/soc/amd/stoneyridge/spi.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 Advanced Micro Devices, Inc.
- *
- * 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
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <device/mmio.h>
-#include <lib.h>
-#include <timer.h>
-#include <console/console.h>
-#include <commonlib/helpers.h>
-#include <spi_flash.h>
-#include <spi-generic.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <soc/southbridge.h>
-#include <amdblocks/lpc.h>
-#include <soc/pci_devs.h>
-
-#define SPI_DEBUG_DRIVER CONFIG(DEBUG_SPI_FLASH)
-
-static uintptr_t spibar;
-
-static void set_spibar(uintptr_t base)
-{
- spibar = base;
-}
-
-static inline uint8_t spi_read8(uint8_t reg)
-{
- return read8((void *)(spibar + reg));
-}
-
-static inline uint32_t spi_read32(uint8_t reg)
-{
- return read32((void *)(spibar + reg));
-}
-
-static inline void spi_write8(uint8_t reg, uint8_t val)
-{
- write8((void *)(spibar + reg), val);
-}
-
-static inline void spi_write32(uint8_t reg, uint32_t val)
-{
- write32((void *)(spibar + reg), val);
-}
-
-static void dump_state(const char *str)
-{
- if (!SPI_DEBUG_DRIVER)
- return;
-
- printk(BIOS_DEBUG, "SPI: %s\n", str);
- printk(BIOS_DEBUG, "Cntrl0: %x\n", spi_read32(SPI_CNTRL0));
- printk(BIOS_DEBUG, "Status: %x\n", spi_read32(SPI_STATUS));
- printk(BIOS_DEBUG, "TxByteCount: %x\n", spi_read8(SPI_TX_BYTE_COUNT));
- printk(BIOS_DEBUG, "RxByteCount: %x\n", spi_read8(SPI_RX_BYTE_COUNT));
- printk(BIOS_DEBUG, "CmdCode: %x\n", spi_read8(SPI_CMD_CODE));
- hexdump((void *)(spibar + SPI_FIFO), SPI_FIFO_DEPTH);
-}
-
-static int wait_for_ready(void)
-{
- const uint32_t timeout_ms = 500;
- struct stopwatch sw;
-
- stopwatch_init_msecs_expire(&sw, timeout_ms);
-
- do {
- if (!(spi_read32(SPI_STATUS) & SPI_BUSY))
- return 0;
- } while (!stopwatch_expired(&sw));
-
- return -1;
-}
-
-static int execute_command(void)
-{
- dump_state("Before Execute");
-
- spi_write8(SPI_CMD_TRIGGER, SPI_CMD_TRIGGER_EXECUTE);
-
- if (wait_for_ready())
- printk(BIOS_DEBUG,
- "FCH SPI Error: Timeout executing command\n");
-
- dump_state("Transaction finished");
-
- return 0;
-}
-
-void spi_init(void)
-{
- set_spibar(lpc_get_spibase());
-}
-
-static int spi_ctrlr_xfer(const struct spi_slave *slave, const void *dout,
- size_t bytesout, void *din, size_t bytesin)
-{
- size_t count;
- uint8_t cmd;
- uint8_t *bufin = din;
- const uint8_t *bufout = dout;
-
- if (SPI_DEBUG_DRIVER)
- printk(BIOS_DEBUG, "%s(%zx, %zx)\n", __func__, bytesout,
- bytesin);
-
- /* First byte is cmd which cannot be sent through FIFO */
- cmd = bufout[0];
- bufout++;
- bytesout--;
-
- /*
- * Check if this is a write command attempting to transfer more bytes
- * than the controller can handle. Iterations for writes are not
- * supported here because each SPI write command needs to be preceded
- * and followed by other SPI commands, and this sequence is controlled
- * by the SPI chip driver.
- */
- if (bytesout + bytesin > SPI_FIFO_DEPTH) {
- printk(BIOS_DEBUG, "FCH SPI: Too much to write. Does your SPI"
- " chip driver use spi_crop_chunk()?\n");
- return -1;
- }
-
- if (wait_for_ready())
- return -1;
-
- spi_write8(SPI_CMD_CODE, cmd);
- spi_write8(SPI_TX_BYTE_COUNT, bytesout);
- spi_write8(SPI_RX_BYTE_COUNT, bytesin);
-
- for (count = 0; count < bytesout; count++)
- spi_write8(SPI_FIFO + count, bufout[count]);
-
- if (execute_command())
- return -1;
-
- for (count = 0; count < bytesin; count++)
- bufin[count] = spi_read8(SPI_FIFO + count + bytesout);
-
- return 0;
-}
-
-int chipset_volatile_group_begin(const struct spi_flash *flash)
-{
- return 0;
-}
-
-int chipset_volatile_group_end(const struct spi_flash *flash)
-{
- return 0;
-}
-
-static int xfer_vectors(const struct spi_slave *slave,
- struct spi_op vectors[], size_t count)
-{
- return spi_flash_vector_helper(slave, vectors, count, spi_ctrlr_xfer);
-}
-
-static const struct spi_ctrlr spi_ctrlr = {
- .xfer_vector = xfer_vectors,
- .max_xfer_size = SPI_FIFO_DEPTH,
- .flags = SPI_CNTRLR_DEDUCT_CMD_LEN | SPI_CNTRLR_DEDUCT_OPCODE_LEN,
-};
-
-const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
- {
- .ctrlr = &spi_ctrlr,
- .bus_start = 0,
- .bus_end = 0,
- },
-};
-
-const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 22:30:10 +0000