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-rw-r--r--src/commonlib/storage/pci_sdhci.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/commonlib/storage/pci_sdhci.c b/src/commonlib/storage/pci_sdhci.c
index 329b652abb..5ecd89b477 100644
--- a/src/commonlib/storage/pci_sdhci.c
+++ b/src/commonlib/storage/pci_sdhci.c
@@ -18,12 +18,13 @@
#define __SIMPLE_DEVICE__ 1
#endif
+#include <arch/early_variables.h>
#include <assert.h>
#include <commonlib/sdhci.h>
#include <device/pci.h>
#include "sd_mmc.h"
+#include <stdint.h>
#include "storage.h"
-#include <string.h>
/* Initialize an SDHCI port */
int sdhci_controller_init(struct sdhci_ctrlr *sdhci_ctrlr, void *ioaddr)
@@ -35,17 +36,22 @@ int sdhci_controller_init(struct sdhci_ctrlr *sdhci_ctrlr, void *ioaddr)
struct sd_mmc_ctrlr *new_mem_sdhci_controller(void *ioaddr)
{
- struct sdhci_ctrlr *sdhci_ctrlr;
+ static bool sdhci_init_done CAR_GLOBAL;
+ static struct sdhci_ctrlr sdhci_ctrlr CAR_GLOBAL;
- sdhci_ctrlr = malloc(sizeof(*sdhci_ctrlr));
- if (sdhci_ctrlr == NULL)
+ if (car_get_var(sdhci_init_done) == true) {
+ sdhc_error("Error: SDHCI is already initialized.\n");
return NULL;
+ }
- if (sdhci_controller_init(sdhci_ctrlr, ioaddr)) {
- free(sdhci_ctrlr);
- sdhci_ctrlr = NULL;
+ if (sdhci_controller_init(car_get_var_ptr(&sdhci_ctrlr), ioaddr)) {
+ sdhc_error("Error: SDHCI initialization failed.\n");
+ return NULL;
}
- return &sdhci_ctrlr->sd_mmc_ctrlr;
+
+ car_set_var(sdhci_init_done, true);
+
+ return car_get_var_ptr(&sdhci_ctrlr.sd_mmc_ctrlr);
}
struct sd_mmc_ctrlr *new_pci_sdhci_controller(uint32_t dev)