+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Marvell SD Host Controller Interface
+ */
+
#include <common.h>
#include <malloc.h>
#include <sdhci.h>
+#include <linux/mbus.h>
+
+#define SDHCI_WINDOW_CTRL(win) (0x4080 + ((win) << 4))
+#define SDHCI_WINDOW_BASE(win) (0x4084 + ((win) << 4))
+
+static void sdhci_mvebu_mbus_config(void __iomem *base)
+{
+ const struct mbus_dram_target_info *dram;
+ int i;
+
+ dram = mvebu_mbus_dram_info();
+
+ for (i = 0; i < 4; i++) {
+ writel(0, base + SDHCI_WINDOW_CTRL(i));
+ writel(0, base + SDHCI_WINDOW_BASE(i));
+ }
+
+ for (i = 0; i < dram->num_cs; i++) {
+ const struct mbus_dram_window *cs = dram->cs + i;
+
+ /* Write size, attributes and target id to control register */
+ writel(((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) |
+ (dram->mbus_dram_target_id << 4) | 1,
+ base + SDHCI_WINDOW_CTRL(i));
+
+ /* Write base address to base register */
+ writel(cs->base, base + SDHCI_WINDOW_BASE(i));
+ }
+}
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
static struct sdhci_ops mv_ops;
static inline void mv_sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
{
struct mmc *mmc = host->mmc;
- u32 ata = (u32)host->ioaddr + SD_CE_ATA_2;
+ u32 ata = (unsigned long)host->ioaddr + SD_CE_ATA_2;
if (!IS_SD(mmc) && reg == SDHCI_HOST_CONTROL) {
if (mmc->bus_width == 8)
#endif /* CONFIG_MMC_SDHCI_IO_ACCESSORS */
static char *MVSDH_NAME = "mv_sdh";
-int mv_sdh_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks)
+int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks)
{
struct sdhci_host *host = NULL;
- host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
+ host = calloc(1, sizeof(*host));
if (!host) {
printf("sdh_host malloc fail!\n");
- return 1;
+ return -ENOMEM;
}
host->name = MVSDH_NAME;
host->ioaddr = (void *)regbase;
host->quirks = quirks;
+ host->max_clk = max_clk;
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
memset(&mv_ops, 0, sizeof(struct sdhci_ops));
- if (mv_sdhci_writeb != NULL)
- mv_ops.write_b = mv_sdhci_writeb;
+ mv_ops.write_b = mv_sdhci_writeb;
host->ops = &mv_ops;
#endif
- host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
- add_sdhci(host, max_clk, min_clk);
- return 0;
+
+ if (CONFIG_IS_ENABLED(ARCH_MVEBU)) {
+ /* Configure SDHCI MBUS mbus bridge windows */
+ sdhci_mvebu_mbus_config((void __iomem *)regbase);
+ }
+
+ return add_sdhci(host, 0, min_clk);
}