diff mbox

[v1,02/11] mmc: mmci: Add Qualcomm Id to amba id table

Message ID 1398759556-13056-1-git-send-email-srinivas.kandagatla@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Srinivas Kandagatla April 29, 2014, 8:19 a.m. UTC 
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

This patch adds a fake Qualcomm ID 0x00051180 to the amba_ids, as Qualcomm
SDCC controller is pl180, but amba id registers read 0x0's.
The plan is to remove SDCC driver totally and use mmci as the main SD
controller driver for Qualcomm SOCs.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 drivers/mmc/host/mmci.c |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

Comments

Linus Walleij May 13, 2014, 7:17 a.m. UTC | #1 
On Tue, Apr 29, 2014 at 10:19 AM,  <srinivas.kandagatla@linaro.org> wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>
> This patch adds a fake Qualcomm ID 0x00051180 to the amba_ids, as Qualcomm
> SDCC controller is pl180, but amba id registers read 0x0's.
> The plan is to remove SDCC driver totally and use mmci as the main SD
> controller driver for Qualcomm SOCs.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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Srinivas Kandagatla May 13, 2014, 9 a.m. UTC | #2 
Thanks Linus W.

On 13/05/14 08:17, Linus Walleij wrote:
> On Tue, Apr 29, 2014 at 10:19 AM,  <srinivas.kandagatla@linaro.org> wrote:
>
>> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>>
>> This patch adds a fake Qualcomm ID 0x00051180 to the amba_ids, as Qualcomm
>> SDCC controller is pl180, but amba id registers read 0x0's.
>> The plan is to remove SDCC driver totally and use mmci as the main SD
>> controller driver for Qualcomm SOCs.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
>
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diff mbox

Patch

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 771c60a..391e8d4 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -158,6 +158,15 @@  static struct variant_data variant_ux500v2 = {
 	.pwrreg_nopower		= true,
 };
 
+static struct variant_data variant_qcom = {
+	.fifosize		= 16 * 4,
+	.fifohalfsize		= 8 * 4,
+	.clkreg			= MCI_CLK_ENABLE,
+	.datalength_bits	= 24,
+	.blksz_datactrl4	= true,
+	.pwrreg_powerup		= MCI_PWR_UP,
+};
+
 static int mmci_card_busy(struct mmc_host *mmc)
 {
 	struct mmci_host *host = mmc_priv(mmc);
@@ -1908,6 +1917,12 @@  static struct amba_id mmci_ids[] = {
 		.mask   = 0xf0ffffff,
 		.data	= &variant_ux500v2,
 	},
+	/* Qualcomm variants */
+	{
+		.id     = 0x00051180,
+		.mask	= 0x000fffff,
+		.data	= &variant_qcom,
+	},
 	{ 0, 0 },
 };