* [U-Boot] [PATCH v3 2/2] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC
@ 2012-10-16 5:10 Jaehoon Chung
2012-10-23 10:02 ` Jaehoon Chung
0 siblings, 1 reply; 5+ messages in thread
From: Jaehoon Chung @ 2012-10-16 5:10 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>
---
Changelog V3:
- Removed the unnecessary code.
Changelog V2:
- Nothing
---
arch/arm/include/asm/arch-exynos/dwmmc.h | 36 +++++++++++++++++++
drivers/mmc/Makefile | 1 +
drivers/mmc/exynos_dw_mmc.c | 57 ++++++++++++++++++++++++++++++
3 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/Makefile b/drivers/mmc/Makefile
index 9ef82a6..cb7c7f6 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -48,6 +48,7 @@ COBJS-$(CONFIG_S5P_SDHCI) += s5p_sdhci.o
COBJS-$(CONFIG_SH_MMCIF) += sh_mmcif.o
COBJS-$(CONFIG_TEGRA_MMC) += tegra_mmc.o
COBJS-$(CONFIG_DWMMC) += dw_mmc.o
+COBJS-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
new file mode 100644
index 0000000..72a31b7
--- /dev/null
+++ b/drivers/mmc/exynos_dw_mmc.c
@@ -0,0 +1,57 @@
+/*
+ * (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 = 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;
+
+ add_dwmci(host, 52000000, 400000);
+
+ return 0;
+}
+
--
1.7.4.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [U-Boot] [PATCH v3 2/2] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC
2012-10-16 5:10 [U-Boot] [PATCH v3 2/2] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC Jaehoon Chung
@ 2012-10-23 10:02 ` Jaehoon Chung
2012-10-23 11:11 ` Minkyu Kang
0 siblings, 1 reply; 5+ messages in thread
From: Jaehoon Chung @ 2012-10-23 10:02 UTC (permalink / raw)
To: u-boot
Dear, Mr.Kang
Could you merge this patch?
This patch is samsung specific file.
DesignWare controller has merged at u-boot-mmc repository.
If Mr.Kang can't merge this, could Andy merge this?
Best Regards,
Jaehoon Chung
On 10/16/2012 02:10 PM, Jaehoon Chung 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>
> ---
> Changelog V3:
> - Removed the unnecessary code.
> Changelog V2:
> - Nothing
> ---
> arch/arm/include/asm/arch-exynos/dwmmc.h | 36 +++++++++++++++++++
> drivers/mmc/Makefile | 1 +
> drivers/mmc/exynos_dw_mmc.c | 57 ++++++++++++++++++++++++++++++
> 3 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/Makefile b/drivers/mmc/Makefile
> index 9ef82a6..cb7c7f6 100644
> --- a/drivers/mmc/Makefile
> +++ b/drivers/mmc/Makefile
> @@ -48,6 +48,7 @@ COBJS-$(CONFIG_S5P_SDHCI) += s5p_sdhci.o
> COBJS-$(CONFIG_SH_MMCIF) += sh_mmcif.o
> COBJS-$(CONFIG_TEGRA_MMC) += tegra_mmc.o
> COBJS-$(CONFIG_DWMMC) += dw_mmc.o
> +COBJS-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o
>
> COBJS := $(COBJS-y)
> SRCS := $(COBJS:.o=.c)
> diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
> new file mode 100644
> index 0000000..72a31b7
> --- /dev/null
> +++ b/drivers/mmc/exynos_dw_mmc.c
> @@ -0,0 +1,57 @@
> +/*
> + * (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 = 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;
> +
> + add_dwmci(host, 52000000, 400000);
> +
> + return 0;
> +}
> +
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [U-Boot] [PATCH v3 2/2] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC
2012-10-23 10:02 ` Jaehoon Chung
@ 2012-10-23 11:11 ` Minkyu Kang
2012-11-22 4:04 ` Jaehoon Chung
0 siblings, 1 reply; 5+ messages in thread
From: Minkyu Kang @ 2012-10-23 11:11 UTC (permalink / raw)
To: u-boot
Dear Jaehoon and Andy,
On 23 October 2012 19:02, Jaehoon Chung <jh80.chung@samsung.com> wrote:
> Dear, Mr.Kang
>
> Could you merge this patch?
> This patch is samsung specific file.
> DesignWare controller has merged at u-boot-mmc repository.
> If Mr.Kang can't merge this, could Andy merge this?
>
This patch have dependency of dw-mmc patch. (because of Makefile)
It should be merged to Andy's tree.
Andy,
I've delegate this patch to you.
http://patchwork.ozlabs.org/patch/191723/
Please check.
Thanks.
Minkyu Kang.
--
from. prom.
www.promsoft.net
^ permalink raw reply [flat|nested] 5+ messages in thread
* [U-Boot] [PATCH v3 2/2] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC
2012-10-23 11:11 ` Minkyu Kang
@ 2012-11-22 4:04 ` Jaehoon Chung
2012-11-22 4:19 ` Fleming Andy-AFLEMING
0 siblings, 1 reply; 5+ messages in thread
From: Jaehoon Chung @ 2012-11-22 4:04 UTC (permalink / raw)
To: u-boot
Dear Andy,
Do you have any opinion about this patch?
If you didn't have any others, could you apply this patch at u-boot-mmc repository?
Best Regards,
Jaehoon Chung
On 10/23/2012 08:11 PM, Minkyu Kang wrote:
> Dear Jaehoon and Andy,
>
> On 23 October 2012 19:02, Jaehoon Chung <jh80.chung@samsung.com> wrote:
>> Dear, Mr.Kang
>>
>> Could you merge this patch?
>> This patch is samsung specific file.
>> DesignWare controller has merged at u-boot-mmc repository.
>> If Mr.Kang can't merge this, could Andy merge this?
>>
>
> This patch have dependency of dw-mmc patch. (because of Makefile)
> It should be merged to Andy's tree.
>
> Andy,
> I've delegate this patch to you.
> http://patchwork.ozlabs.org/patch/191723/
> Please check.
>
> Thanks.
> Minkyu Kang.
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [U-Boot] [PATCH v3 2/2] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC
2012-11-22 4:04 ` Jaehoon Chung
@ 2012-11-22 4:19 ` Fleming Andy-AFLEMING
0 siblings, 0 replies; 5+ messages in thread
From: Fleming Andy-AFLEMING @ 2012-11-22 4:19 UTC (permalink / raw)
To: u-boot
I got buried in other work. I should get to this by the end of the week
On Nov 21, 2012, at 22:04, "Jaehoon Chung" <jh80.chung@samsung.com> wrote:
> Dear Andy,
>
> Do you have any opinion about this patch?
> If you didn't have any others, could you apply this patch at u-boot-mmc repository?
>
> Best Regards,
> Jaehoon Chung
>
> On 10/23/2012 08:11 PM, Minkyu Kang wrote:
>> Dear Jaehoon and Andy,
>>
>> On 23 October 2012 19:02, Jaehoon Chung <jh80.chung@samsung.com> wrote:
>>> Dear, Mr.Kang
>>>
>>> Could you merge this patch?
>>> This patch is samsung specific file.
>>> DesignWare controller has merged at u-boot-mmc repository.
>>> If Mr.Kang can't merge this, could Andy merge this?
>>
>> This patch have dependency of dw-mmc patch. (because of Makefile)
>> It should be merged to Andy's tree.
>>
>> Andy,
>> I've delegate this patch to you.
>> http://patchwork.ozlabs.org/patch/191723/
>> Please check.
>>
>> Thanks.
>> Minkyu Kang.
>
>
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2012-11-22 4:19 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-10-16 5:10 [U-Boot] [PATCH v3 2/2] EXYNOS: mmc: support DesignWare Controller for Samsung-SoC Jaehoon Chung
2012-10-23 10:02 ` Jaehoon Chung
2012-10-23 11:11 ` Minkyu Kang
2012-11-22 4:04 ` Jaehoon Chung
2012-11-22 4:19 ` Fleming Andy-AFLEMING
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox