diff options
Diffstat (limited to 'src/southbridge/amd/cimx/sb800/spi.c')
| -rw-r--r-- | src/southbridge/amd/cimx/sb800/spi.c | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/src/southbridge/amd/cimx/sb800/spi.c b/src/southbridge/amd/cimx/sb800/spi.c index f6898926e3..726d8e0129 100644 --- a/src/southbridge/amd/cimx/sb800/spi.c +++ b/src/southbridge/amd/cimx/sb800/spi.c @@ -17,18 +17,15 @@ #include <string.h> #include <arch/io.h> #include <console/console.h> +#include <spi_flash.h> #include <spi-generic.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ops.h> -#if IS_ENABLED (CONFIG_SB800_IMC_FWM) #include "SBPLATFORM.h" #include <vendorcode/amd/cimx/sb800/ECfan.h> -static int bus_claimed = 0; -#endif - #define AMD_SB_SPI_TX_LEN 8 static uintptr_t spibar; @@ -114,8 +111,6 @@ int spi_xfer(struct spi_slave *slave, const void *dout, return 0; } -#if IS_ENABLED (CONFIG_SB800_IMC_FWM) - static void ImcSleep(void) { u8 cmd_val = 0x96; /* Kick off IMC Mailbox command 96 */ @@ -142,34 +137,35 @@ static void ImcWakeup(void) WaitForEcLDN9MailboxCmdAck(); } -#endif int spi_claim_bus(struct spi_slave *slave) { -#if IS_ENABLED (CONFIG_SB800_IMC_FWM) + /* Nothing is required. */ + return 0; +} - if (slave->rw == SPI_WRITE_FLAG) { - bus_claimed++; - if (bus_claimed == 1) - ImcSleep(); - } -#endif +void spi_release_bus(struct spi_slave *slave) +{ + /* Nothing is required. */ + return; +} + +int chipset_volatile_group_begin(const struct spi_flash *flash) +{ + if (!IS_ENABLED(CONFIG_SB800_IMC_FWM)) + return 0; + ImcSleep(); return 0; } -void spi_release_bus(struct spi_slave *slave) +int chipset_volatile_group_end(const struct spi_flash *flash) { -#if IS_ENABLED (CONFIG_SB800_IMC_FWM) - - if (slave->rw == SPI_WRITE_FLAG) { - bus_claimed--; - if (bus_claimed <= 0) { - bus_claimed = 0; - ImcWakeup(); - } - } -#endif + if (!IS_ENABLED(CONFIG_SB800_IMC_FWM)) + return 0; + + ImcWakeup(); + return 0; } struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) |