Move the driver to the driver model & DT support.
Signed-off-by: Wenyou Yang wenyou.yang@atmel.com ---
arch/arm/mach-at91/include/mach/atmel_sdhci.h | 13 -------- drivers/mmc/Kconfig | 10 ++++++ drivers/mmc/atmel_sdhci.c | 44 ++++++++++++++++++++------- 3 files changed, 43 insertions(+), 24 deletions(-) delete mode 100644 arch/arm/mach-at91/include/mach/atmel_sdhci.h
diff --git a/arch/arm/mach-at91/include/mach/atmel_sdhci.h b/arch/arm/mach-at91/include/mach/atmel_sdhci.h deleted file mode 100644 index 9652bc2..0000000 --- a/arch/arm/mach-at91/include/mach/atmel_sdhci.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * Copyright (c) 2015 Atmel Corporation - * Wenyou.Yang wenyou.yang@atmel.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ATMEL_SDHCI_H -#define __ATMEL_SDHCI_H - -int atmel_sdhci_init(void *regbase, u32 id); - -#endif diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index dc8532f..7f6b2e1 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -16,6 +16,16 @@ config DM_MMC appear as block devices in U-Boot and can support filesystems such as EXT4 and FAT.
+config ATMEL_SDHCI + bool "Atmel SDHCI controller support" + depends on DM_MMC && ARCH_AT91 + help + This enables support for the Atmel SDHCI controller, which supports + the embedded MultiMedia Card (e.MMC) Specification V4.51, the SD + Memory Card Specification V3.0, and the SDIO V3.0 specification. + It is compliant with the SD Host Controller Standard V3.0 + specification. + config ROCKCHIP_DWMMC bool "Rockchip SD/MMC controller support" depends on DM_MMC && OF_CONTROL diff --git a/drivers/mmc/atmel_sdhci.c b/drivers/mmc/atmel_sdhci.c index 24b68b6..ec2885e 100644 --- a/drivers/mmc/atmel_sdhci.c +++ b/drivers/mmc/atmel_sdhci.c @@ -6,35 +6,57 @@ */
#include <common.h> +#include <dm.h> #include <malloc.h> #include <sdhci.h> #include <asm/arch/clk.h>
+DECLARE_GLOBAL_DATA_PTR; + #define ATMEL_SDHC_MIN_FREQ 400000
-int atmel_sdhci_init(void *regbase, u32 id) +static int atmel_sdhci_probe(struct udevice *dev) { - struct sdhci_host *host; + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct sdhci_host *host = dev_get_priv(dev); u32 max_clk, min_clk = ATMEL_SDHC_MIN_FREQ; + u32 periph_id;
- host = (struct sdhci_host *)calloc(1, sizeof(struct sdhci_host)); - if (!host) { - printf("%s: sdhci_host calloc failed\n", __func__); - return -ENOMEM; - } + host->name = (char *)dev->name; + host->ioaddr = (void *)dev_get_addr(dev);
- host->name = "atmel_sdhci"; - host->ioaddr = regbase; host->quirks = 0; host->version = sdhci_readw(host, SDHCI_HOST_VERSION); - max_clk = at91_get_periph_generated_clk(id); + + host->bus_width = fdtdec_get_int(gd->fdt_blob, dev->of_offset, + "bus-width", 4); + + periph_id = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "id", 0); + if (periph_id < 0) + return -EINVAL; + + max_clk = at91_get_periph_generated_clk(periph_id); if (!max_clk) { printf("%s: Failed to get the proper clock\n", __func__); - free(host); return -ENODEV; }
add_sdhci(host, max_clk, min_clk);
+ upriv->mmc = host->mmc; + return 0; } + +static const struct udevice_id atmel_sdhci_ids[] = { + { .compatible = "atmel,sama5d2-sdhci" }, + { } +}; + +U_BOOT_DRIVER(atmel_sdhci_drv) = { + .name = "atmel_sdhci", + .id = UCLASS_MMC, + .of_match = atmel_sdhci_ids, + .probe = atmel_sdhci_probe, + .priv_auto_alloc_size = sizeof(struct sdhci_host), +};