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Diffstat (limited to 'src/soc/intel/skylake/flash_controller.c')
-rw-r--r--src/soc/intel/skylake/flash_controller.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/src/soc/intel/skylake/flash_controller.c b/src/soc/intel/skylake/flash_controller.c
index 9c2378ba3f..6601e6caa3 100644
--- a/src/soc/intel/skylake/flash_controller.c
+++ b/src/soc/intel/skylake/flash_controller.c
@@ -13,6 +13,7 @@
*/
/* This file is derived from the flashrom project. */
+#include <arch/early_variables.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
@@ -341,15 +342,17 @@ int pch_hwseq_read_status(struct spi_flash *flash, u8 *reg)
return 0;
}
+static struct spi_slave boot_spi CAR_GLOBAL;
+static struct spi_flash boot_flash CAR_GLOBAL;
+
static struct spi_flash *spi_flash_hwseq_probe(struct spi_slave *spi)
{
struct spi_flash *flash;
- flash = malloc(sizeof(*flash));
- if (!flash) {
- printk(BIOS_WARNING, "SF: Failed to allocate memory\n");
- return NULL;
- }
+ flash = car_get_var_ptr(&boot_flash);
+
+ /* Ensure writes can take place to the flash. */
+ spi_init();
flash->spi = spi;
flash->name = "Opaque HW-sequencing";
@@ -369,14 +372,11 @@ static struct spi_flash *spi_flash_hwseq_probe(struct spi_slave *spi)
struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs)
{
- struct spi_slave *slave = malloc(sizeof(*slave));
-
- if (!slave) {
- printk(BIOS_DEBUG, "PCH SPI: Bad allocation\n");
+ /* This is special hardware. We expect bus 0 and CS line 0 here. */
+ if ((bus != 0) || (cs != 0))
return NULL;
- }
- memset(slave, 0, sizeof(*slave));
+ struct spi_slave *slave = car_get_var_ptr(&boot_spi);
slave->bus = bus;
slave->cs = cs;