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authorChin Liang See2015-11-26 09:43:43 +0800
committerMarek Vasut2015-11-30 13:30:19 +0100
commit9a41404dc610c639e94e839208895fb6967741ac (patch)
treed527b0c1997a504951295dadb3e53d0ca206ff56
parent856b30dae54a9fa76a7457b6c891b3efd9a8a397 (diff)
mmc: socfpga_dw_mmc: Move drvsel and smplsel to dts
socfpga_dw_mmc driver will obtain the drvsel and smplsel value from device tree instead of definition in config header file. Signed-off-by: Chin Liang See <clsee@altera.com> Cc: Dinh Nguyen <dinguyen@opensource.altera.com> Cc: Dinh Nguyen <dinh.linux@gmail.com> Cc: Pavel Machek <pavel@denx.de> Cc: Marek Vasut <marex@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Cc: Simon Glass <sjg@chromium.org> Cc: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Marek Vasut <marex@denx.de>
-rw-r--r--drivers/mmc/socfpga_dw_mmc.c29
-rw-r--r--include/configs/socfpga_common.h2
2 files changed, 21 insertions, 10 deletions
diff --git a/drivers/mmc/socfpga_dw_mmc.c b/drivers/mmc/socfpga_dw_mmc.c
index 8076761e06e..2bd0ebd96c6 100644
--- a/drivers/mmc/socfpga_dw_mmc.c
+++ b/drivers/mmc/socfpga_dw_mmc.c
@@ -19,21 +19,23 @@ static const struct socfpga_clock_manager *clock_manager_base =
static const struct socfpga_system_manager *system_manager_base =
(void *)SOCFPGA_SYSMGR_ADDRESS;
-static void socfpga_dwmci_clksel(struct dwmci_host *host)
-{
+/* socfpga implmentation specific drver private data */
+struct dwmci_socfpga_priv_data {
unsigned int drvsel;
unsigned int smplsel;
+};
+
+static void socfpga_dwmci_clksel(struct dwmci_host *host)
+{
+ struct dwmci_socfpga_priv_data *priv = host->priv;
/* Disable SDMMC clock. */
clrbits_le32(&clock_manager_base->per_pll.en,
CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK);
- /* Configures drv_sel and smpl_sel */
- drvsel = CONFIG_SOCFPGA_DWMMC_DRVSEL;
- smplsel = CONFIG_SOCFPGA_DWMMC_SMPSEL;
-
- debug("%s: drvsel %d smplsel %d\n", __func__, drvsel, smplsel);
- writel(SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel),
+ debug("%s: drvsel %d smplsel %d\n", __func__,
+ priv->drvsel, priv->smplsel);
+ writel(SYSMGR_SDMMC_CTRL_SET(priv->smplsel, priv->drvsel),
&system_manager_base->sdmmcgrp_ctrl);
debug("%s: SYSMGR_SDMMCGRP_CTRL_REG = 0x%x\n", __func__,
@@ -50,6 +52,7 @@ static int socfpga_dwmci_of_probe(const void *blob, int node, const int idx)
const unsigned long clk = cm_get_mmc_controller_clk_hz();
struct dwmci_host *host;
+ struct dwmci_socfpga_priv_data *priv;
fdt_addr_t reg_base;
int bus_width, fifo_depth;
@@ -83,6 +86,13 @@ static int socfpga_dwmci_of_probe(const void *blob, int node, const int idx)
if (!host)
return -ENOMEM;
+ /* Allocate the priv */
+ priv = calloc(1, sizeof(*priv));
+ if (!priv) {
+ free(host);
+ return -ENOMEM;
+ }
+
host->name = "SOCFPGA DWMMC";
host->ioaddr = (void *)reg_base;
host->buswidth = bus_width;
@@ -92,6 +102,9 @@ static int socfpga_dwmci_of_probe(const void *blob, int node, const int idx)
host->bus_hz = clk;
host->fifoth_val = MSIZE(0x2) |
RX_WMARK(fifo_depth / 2 - 1) | TX_WMARK(fifo_depth / 2);
+ priv->drvsel = fdtdec_get_uint(blob, node, "drvsel", 3);
+ priv->smplsel = fdtdec_get_uint(blob, node, "smplsel", 0);
+ host->priv = priv;
return add_dwmci(host, host->bus_hz, 400000);
}
diff --git a/include/configs/socfpga_common.h b/include/configs/socfpga_common.h
index b22e3b1ae9c..b3f65b60d9c 100644
--- a/include/configs/socfpga_common.h
+++ b/include/configs/socfpga_common.h
@@ -152,8 +152,6 @@
#define CONFIG_DWMMC
#define CONFIG_SOCFPGA_DWMMC
#define CONFIG_SOCFPGA_DWMMC_FIFO_DEPTH 1024
-#define CONFIG_SOCFPGA_DWMMC_DRVSEL 3
-#define CONFIG_SOCFPGA_DWMMC_SMPSEL 0
/* FIXME */
/* using smaller max blk cnt to avoid flooding the limited stack we have */
#define CONFIG_SYS_MMC_MAX_BLK_COUNT 256 /* FIXME -- SPL only? */