* [U-Boot] [PATCH v2 3/4] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC
@ 2012-07-03 7:58 Jaehoon Chung
2012-08-03 4:26 ` Minkyu Kang
2012-08-30 21:35 ` Andy Fleming
0 siblings, 2 replies; 3+ messages in thread
From: Jaehoon Chung @ 2012-07-03 7:58 UTC (permalink / raw)
To: u-boot
Support DesignWare MMC Controller for Samsung Specific.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Rajeshawari Shinde <rajeshwari.s@samsung.com>
---
arch/arm/include/asm/arch-exynos/dwmmc.h | 36 ++++++++++++++++++
drivers/mmc/exynos_dw_mmc.c | 58 ++++++++++++++++++++++++++++++
2 files changed, 94 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/include/asm/arch-exynos/dwmmc.h
create mode 100644 drivers/mmc/exynos_dw_mmc.c
diff --git a/arch/arm/include/asm/arch-exynos/dwmmc.h b/arch/arm/include/asm/arch-exynos/dwmmc.h
new file mode 100644
index 0000000..8acdf9b
--- /dev/null
+++ b/arch/arm/include/asm/arch-exynos/dwmmc.h
@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2012 SAMSUNG Electronics
+ * Jaehoon Chung <jh80.chung@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#define DWMCI_CLKSEL 0x09C
+#define DWMCI_SHIFT_0 0x0
+#define DWMCI_SHIFT_1 0x1
+#define DWMCI_SHIFT_2 0x2
+#define DWMCI_SHIFT_3 0x3
+#define DWMCI_SET_SAMPLE_CLK(x) (x)
+#define DWMCI_SET_DRV_CLK(x) ((x) << 16)
+#define DWMCI_SET_DIV_RATIO(x) ((x) << 24)
+
+int exynos_dwmci_init(u32 regbase, int bus_width, int index);
+
+static inline unsigned int exynos_dwmmc_init(int index, int bus_width)
+{
+ unsigned int base = samsung_get_base_mmc() + (0x10000 * index);
+ return exynos_dwmci_init(base, bus_width, index);
+}
diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
new file mode 100644
index 0000000..286a7df
--- /dev/null
+++ b/drivers/mmc/exynos_dw_mmc.c
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2012 SAMSUNG Electronics
+ * Jaehoon Chung <jh80.chung@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <dwmmc.h>
+#include <asm/arch/dwmmc.h>
+#include <asm/arch/clk.h>
+
+static char *EXYNOS_NAME = "EXYNOS DWMMC";
+
+static void exynos_dwmci_clksel(struct dwmci_host *host)
+{
+ u32 val;
+ val = DWMCI_SET_SAMPLE_CLK(DWMCI_SHIFT_0) |
+ DWMCI_SET_DRV_CLK(DWMCI_SHIFT_0) | DWMCI_SET_DIV_RATIO(0);
+
+ dwmci_writel(host, DWMCI_CLKSEL, val);
+}
+
+int exynos_dwmci_init(u32 regbase, int bus_width, int index)
+{
+ struct dwmci_host *host = NULL;
+ host = (struct dwmci_host *)malloc(sizeof(struct dwmci_host));
+ if (!host) {
+ printf("dwmci_host malloc fail!\n");
+ return 1;
+ }
+
+ host->name = EXYNOS_NAME;
+ host->ioaddr = (void *)regbase;
+ host->buswidth = bus_width;
+ host->clksel = exynos_dwmci_clksel;
+ host->dev_index = index;
+ host->mmc_clk = get_mmc_clk;
+
+ add_dwmci(host, 52000000, 400000, index);
+
+ return 0;
+}
+
^ permalink raw reply related [flat|nested] 3+ messages in thread* [U-Boot] [PATCH v2 3/4] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC
2012-07-03 7:58 [U-Boot] [PATCH v2 3/4] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC Jaehoon Chung
@ 2012-08-03 4:26 ` Minkyu Kang
2012-08-30 21:35 ` Andy Fleming
1 sibling, 0 replies; 3+ messages in thread
From: Minkyu Kang @ 2012-08-03 4:26 UTC (permalink / raw)
To: u-boot
On 3 July 2012 16:58, Jaehoon Chung <jh80.chung@samsung.com> wrote:
> Support DesignWare MMC Controller for Samsung Specific.
>
> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> Signed-off-by: Rajeshawari Shinde <rajeshwari.s@samsung.com>
> ---
> arch/arm/include/asm/arch-exynos/dwmmc.h | 36 ++++++++++++++++++
> drivers/mmc/exynos_dw_mmc.c | 58 ++++++++++++++++++++++++++++++
> 2 files changed, 94 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/include/asm/arch-exynos/dwmmc.h
> create mode 100644 drivers/mmc/exynos_dw_mmc.c
>
> diff --git a/arch/arm/include/asm/arch-exynos/dwmmc.h b/arch/arm/include/asm/arch-exynos/dwmmc.h
> new file mode 100644
> index 0000000..8acdf9b
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-exynos/dwmmc.h
> @@ -0,0 +1,36 @@
> +/*
> + * (C) Copyright 2012 SAMSUNG Electronics
> + * Jaehoon Chung <jh80.chung@samsung.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> + *
> + */
> +
> +#define DWMCI_CLKSEL 0x09C
> +#define DWMCI_SHIFT_0 0x0
> +#define DWMCI_SHIFT_1 0x1
> +#define DWMCI_SHIFT_2 0x2
> +#define DWMCI_SHIFT_3 0x3
> +#define DWMCI_SET_SAMPLE_CLK(x) (x)
> +#define DWMCI_SET_DRV_CLK(x) ((x) << 16)
> +#define DWMCI_SET_DIV_RATIO(x) ((x) << 24)
> +
> +int exynos_dwmci_init(u32 regbase, int bus_width, int index);
> +
> +static inline unsigned int exynos_dwmmc_init(int index, int bus_width)
> +{
> + unsigned int base = samsung_get_base_mmc() + (0x10000 * index);
> + return exynos_dwmci_init(base, bus_width, index);
> +}
> diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
> new file mode 100644
> index 0000000..286a7df
> --- /dev/null
> +++ b/drivers/mmc/exynos_dw_mmc.c
> @@ -0,0 +1,58 @@
> +/*
> + * (C) Copyright 2012 SAMSUNG Electronics
> + * Jaehoon Chung <jh80.chung@samsung.com>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> + *
> + */
> +
> +#include <common.h>
> +#include <malloc.h>
> +#include <dwmmc.h>
> +#include <asm/arch/dwmmc.h>
> +#include <asm/arch/clk.h>
> +
> +static char *EXYNOS_NAME = "EXYNOS DWMMC";
> +
> +static void exynos_dwmci_clksel(struct dwmci_host *host)
> +{
> + u32 val;
> + val = DWMCI_SET_SAMPLE_CLK(DWMCI_SHIFT_0) |
> + DWMCI_SET_DRV_CLK(DWMCI_SHIFT_0) | DWMCI_SET_DIV_RATIO(0);
> +
> + dwmci_writel(host, DWMCI_CLKSEL, val);
> +}
> +
> +int exynos_dwmci_init(u32 regbase, int bus_width, int index)
> +{
> + struct dwmci_host *host = NULL;
> + host = (struct dwmci_host *)malloc(sizeof(struct dwmci_host));
> + if (!host) {
> + printf("dwmci_host malloc fail!\n");
> + return 1;
> + }
> +
> + host->name = EXYNOS_NAME;
> + host->ioaddr = (void *)regbase;
> + host->buswidth = bus_width;
> + host->clksel = exynos_dwmci_clksel;
> + host->dev_index = index;
> + host->mmc_clk = get_mmc_clk;
> +
> + add_dwmci(host, 52000000, 400000, index);
> +
> + return 0;
> +}
> +
remove this space.
Thanks.
Minkyu Kang.
--
from. prom.
www.promsoft.net
^ permalink raw reply [flat|nested] 3+ messages in thread* [U-Boot] [PATCH v2 3/4] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC
2012-07-03 7:58 [U-Boot] [PATCH v2 3/4] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC Jaehoon Chung
2012-08-03 4:26 ` Minkyu Kang
@ 2012-08-30 21:35 ` Andy Fleming
1 sibling, 0 replies; 3+ messages in thread
From: Andy Fleming @ 2012-08-30 21:35 UTC (permalink / raw)
To: u-boot
On Tue, Jul 3, 2012 at 12:58 AM, Jaehoon Chung <jh80.chung@samsung.com> wrote:
> Support DesignWare MMC Controller for Samsung Specific.
>
> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> Signed-off-by: Rajeshawari Shinde <rajeshwari.s@samsung.com>
> ---
> arch/arm/include/asm/arch-exynos/dwmmc.h | 36 ++++++++++++++++++
> drivers/mmc/exynos_dw_mmc.c | 58 ++++++++++++++++++++++++++++++
> +int exynos_dwmci_init(u32 regbase, int bus_width, int index)
> +{
> + struct dwmci_host *host = NULL;
> + host = (struct dwmci_host *)malloc(sizeof(struct dwmci_host));
It is not necessary (or desirable) to cast the result of malloc.
Andy
^ permalink raw reply [flat|nested] 3+ messages in thread
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2012-07-03 7:58 [U-Boot] [PATCH v2 3/4] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC Jaehoon Chung
2012-08-03 4:26 ` Minkyu Kang
2012-08-30 21:35 ` Andy Fleming
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