diff mbox

[v6,12/12] mmc: mmci: Add Qualcomm Id to amba id table

Message ID 1401700213-11917-1-git-send-email-srinivas.kandagatla@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Srinivas Kandagatla June 2, 2014, 9:10 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 | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

Linus Walleij June 11, 2014, 12:52 p.m. UTC | #1 
On Mon, Jun 2, 2014 at 11:10 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>

Yours,
Linus Walleij
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diff mbox

Patch

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 08ff8d2..fa851d5 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -190,6 +190,23 @@  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,
+	.clkreg_enable		= MCI_QCOM_CLK_FLOWENA |
+				  MCI_QCOM_CLK_SELECT_IN_FBCLK,
+	.clkreg_8bit_bus_enable = MCI_QCOM_CLK_WIDEBUS_8,
+	.datactrl_mask_ddrmode	= MCI_QCOM_CLK_SELECT_IN_DDR_MODE,
+	.data_cmd_enable	= MCI_QCOM_CSPM_DATCMD,
+	.blksz_datactrl4	= true,
+	.datalength_bits	= 24,
+	.pwrreg_powerup		= MCI_PWR_UP,
+	.f_max			= 208000000,
+	.explicit_mclk_control	= true,
+	.qcom_fifo		= true,
+};
+
 static int mmci_card_busy(struct mmc_host *mmc)
 {
 	struct mmci_host *host = mmc_priv(mmc);
@@ -1831,6 +1848,12 @@  static struct amba_id mmci_ids[] = {
 		.mask   = 0xf0ffffff,
 		.data	= &variant_ux500v2,
 	},
+	/* Qualcomm variants */
+	{
+		.id     = 0x00051180,
+		.mask	= 0x000fffff,
+		.data	= &variant_qcom,
+	},
 	{ 0, 0 },
 };