From: Simon Glass <sjg@chromium.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 4/6] mmc: hi6220_dw_mmc: Add hi6220 glue code for dw_mmc controller.
Date: Sat, 18 Jul 2015 08:38:02 -0600 [thread overview]
Message-ID: <CAPnjgZ2ObA9hRFCmCMAZuoiktCFBaTrhEaBAkEdaqYAAFB1tjw@mail.gmail.com> (raw)
In-Reply-To: <1436371040-26620-5-git-send-email-peter.griffin@linaro.org>
Hi Peter,
On 8 July 2015 at 09:57, Peter Griffin <peter.griffin@linaro.org> wrote:
> This patch adds the glue code for hi6220 SoC which has 2x synopsis
> dw_mmc controllers. This will be used by the hikey board support
> in subsequent patches.
>
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> ---
Reviewed-by: Simon Glass <sjg@chromium.org>
(see nit below - this could be moved to device tree once you have it)
> arch/arm/include/asm/arch-hi6220/dwmmc.h | 8 +++++
> drivers/mmc/Makefile | 1 +
> drivers/mmc/hi6220_dw_mmc.c | 56 ++++++++++++++++++++++++++++++++
> 3 files changed, 65 insertions(+)
> create mode 100644 arch/arm/include/asm/arch-hi6220/dwmmc.h
> create mode 100644 drivers/mmc/hi6220_dw_mmc.c
>
> diff --git a/arch/arm/include/asm/arch-hi6220/dwmmc.h b/arch/arm/include/asm/arch-hi6220/dwmmc.h
> new file mode 100644
> index 0000000..c747383
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-hi6220/dwmmc.h
> @@ -0,0 +1,8 @@
> +/*
> + * (C) Copyright 2015 Linaro
> + * Peter Griffin <peter.griffin@linaro.org>
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +int hi6220_dwmci_add_port(int index, u32 regbase, int bus_width);
> diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
> index ed73687..81a1a8f 100644
> --- a/drivers/mmc/Makefile
> +++ b/drivers/mmc/Makefile
> @@ -11,6 +11,7 @@ obj-$(CONFIG_BFIN_SDH) += bfin_sdh.o
> obj-$(CONFIG_DAVINCI_MMC) += davinci_mmc.o
> obj-$(CONFIG_DWMMC) += dw_mmc.o
> obj-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o
> +obj-$(CONFIG_HIKEY_DWMMC) += hi6220_dw_mmc.o
> obj-$(CONFIG_FSL_ESDHC) += fsl_esdhc.o
> obj-$(CONFIG_FTSDC010) += ftsdc010_mci.o
> obj-$(CONFIG_FTSDC021) += ftsdc021_sdhci.o
> diff --git a/drivers/mmc/hi6220_dw_mmc.c b/drivers/mmc/hi6220_dw_mmc.c
> new file mode 100644
> index 0000000..106f673
> --- /dev/null
> +++ b/drivers/mmc/hi6220_dw_mmc.c
> @@ -0,0 +1,56 @@
> +/*
> + * (C) Copyright 2015 Linaro
> + * peter.griffin <peter.griffin@linaro.org>
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <dwmmc.h>
> +#include <malloc.h>
> +#include <asm-generic/errno.h>
> +
> +#define DWMMC_MAX_CH_NUM 4
> +
> +#define DWMMC_MAX_FREQ 50000000
> +#define DWMMC_MIN_FREQ 378000
> +
> +/* Source clock is configured to 100Mhz by ATF bl1*/
nit: MHz
> +#define MMC0_DEFAULT_FREQ 100000000
> +
> +static int hi6220_dwmci_core_init(struct dwmci_host *host, int index)
> +{
> + host->name = "HiKey DWMMC";
> +
> + host->dev_index = index;
> +
> + /* Add the mmc channel to be registered with mmc core */
> + if (add_dwmci(host, DWMMC_MAX_FREQ, DWMMC_MIN_FREQ)) {
> + printf("DWMMC%d registration failed\n", index);
> + return -1;
> + }
> + return 0;
> +}
> +
> +/*
> + * This function adds the mmc channel to be registered with mmc core.
> + * index - mmc channel number.
> + * regbase - register base address of mmc channel specified in 'index'.
> + * bus_width - operating bus width of mmc channel specified in 'index'.
> + */
> +int hi6220_dwmci_add_port(int index, u32 regbase, int bus_width)
> +{
> + struct dwmci_host *host = NULL;
> +
> + host = calloc(1, sizeof(struct dwmci_host));
> + if (!host) {
> + error("dwmci_host malloc fail!\n");
> + return -ENOMEM;
> + }
> +
> + host->ioaddr = (void *)regbase;
> + host->buswidth = bus_width;
> + host->bus_hz = MMC0_DEFAULT_FREQ;
> +
> + return hi6220_dwmci_core_init(host, index);
> +}
> --
> 1.9.1
>
Regards,
Simon
next prev parent reply other threads:[~2015-07-18 14:38 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 15:57 [U-Boot] [PATCH v2 0/6] Add support for hi6220 SoC and HiKey 96boards CE board Peter Griffin
2015-07-08 15:57 ` [U-Boot] [PATCH v2 1/6] dm: gpio: hi6220: Add a hi6220 GPIO driver model driver Peter Griffin
2015-07-18 14:37 ` Simon Glass
2015-07-08 15:57 ` [U-Boot] [PATCH v2 2/6] ARM: hi6220: Add register and bitfield definition header files Peter Griffin
2015-07-18 14:37 ` Simon Glass
2015-07-29 21:07 ` Peter Griffin
2015-07-08 15:57 ` [U-Boot] [PATCH v2 3/6] hi6553: Add register definition and bitfield header for 6553 pmic Peter Griffin
2015-07-18 14:37 ` Simon Glass
2015-07-29 21:04 ` Peter Griffin
2015-07-08 15:57 ` [U-Boot] [PATCH v2 4/6] mmc: hi6220_dw_mmc: Add hi6220 glue code for dw_mmc controller Peter Griffin
2015-07-09 4:30 ` Jaehoon Chung
2015-07-18 14:38 ` Simon Glass [this message]
2015-07-19 9:39 ` Peter Griffin
2015-07-20 2:17 ` Simon Glass
2015-07-08 15:57 ` [U-Boot] [PATCH v2 5/6] ARM64: hikey: hi6220: Add u-boot support for the 96boards CE HiKey board Peter Griffin
2015-07-10 18:36 ` Rob Herring
2015-07-16 0:41 ` Peter Griffin
2015-07-16 13:28 ` Rob Herring
2015-07-16 13:39 ` Tom Rini
2015-07-29 20:59 ` Peter Griffin
2015-07-18 14:38 ` Simon Glass
2015-07-28 17:37 ` Peter Griffin
2015-07-08 15:57 ` [U-Boot] [PATCH v2 6/6] ARM64: hikey: Add a README for this board Peter Griffin
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