#include <common.h>
#include <malloc.h>
#include <dwmmc.h>
+#include <errno.h>
#include <asm/arch/dwmmc.h>
#include <asm/arch/clock_manager.h>
#include <asm/arch/system_manager.h>
static const struct socfpga_system_manager *system_manager_base =
(void *)SOCFPGA_SYSMGR_ADDRESS;
-static char *SOCFPGA_NAME = "SOCFPGA DWMMC";
-
static void socfpga_dwmci_clksel(struct dwmci_host *host)
{
unsigned int drvsel;
unsigned int smplsel;
/* Disable SDMMC clock. */
- clrbits_le32(&clock_manager_base->per_pll_en,
+ clrbits_le32(&clock_manager_base->per_pll.en,
CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK);
/* Configures drv_sel and smpl_sel */
readl(&system_manager_base->sdmmcgrp_ctrl));
/* Enable SDMMC clock */
- setbits_le32(&clock_manager_base->per_pll_en,
+ setbits_le32(&clock_manager_base->per_pll.en,
CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK);
}
int socfpga_dwmmc_init(u32 regbase, int bus_width, int index)
{
- struct dwmci_host *host = NULL;
- host = calloc(sizeof(struct dwmci_host), 1);
+ struct dwmci_host *host;
+ unsigned long clk = cm_get_mmc_controller_clk_hz();
+
+ if (clk == 0) {
+ printf("%s: MMC clock is zero!", __func__);
+ return -EINVAL;
+ }
+
+ /* calloc for zero init */
+ host = calloc(1, sizeof(struct dwmci_host));
if (!host) {
- printf("dwmci_host calloc fail!\n");
- return -1;
+ printf("%s: calloc() failed!\n", __func__);
+ return -ENOMEM;
}
- host->name = SOCFPGA_NAME;
+ host->name = "SOCFPGA DWMMC";
host->ioaddr = (void *)regbase;
host->buswidth = bus_width;
host->clksel = socfpga_dwmci_clksel;
host->dev_index = index;
/* fixed clock divide by 4 which due to the SDMMC wrapper */
- host->bus_hz = CONFIG_SOCFPGA_DWMMC_BUS_HZ;
+ host->bus_hz = clk;
host->fifoth_val = MSIZE(0x2) |
RX_WMARK(CONFIG_SOCFPGA_DWMMC_FIFO_DEPTH / 2 - 1) |
TX_WMARK(CONFIG_SOCFPGA_DWMMC_FIFO_DEPTH / 2);