diff options
Diffstat (limited to 'src/commonlib')
| -rw-r--r-- | src/commonlib/storage/pci_sdhci.c | 22 |
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) |