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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>
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parent
856b30dae5
commit
9a41404dc6
2 changed files with 21 additions and 10 deletions
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@ -19,21 +19,23 @@ static const struct socfpga_clock_manager *clock_manager_base =
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static const struct socfpga_system_manager *system_manager_base =
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(void *)SOCFPGA_SYSMGR_ADDRESS;
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static void socfpga_dwmci_clksel(struct dwmci_host *host)
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{
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/* socfpga implmentation specific drver private data */
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struct dwmci_socfpga_priv_data {
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unsigned int drvsel;
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unsigned int smplsel;
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};
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static void socfpga_dwmci_clksel(struct dwmci_host *host)
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{
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struct dwmci_socfpga_priv_data *priv = host->priv;
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/* Disable SDMMC clock. */
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clrbits_le32(&clock_manager_base->per_pll.en,
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CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK);
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/* Configures drv_sel and smpl_sel */
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drvsel = CONFIG_SOCFPGA_DWMMC_DRVSEL;
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smplsel = CONFIG_SOCFPGA_DWMMC_SMPSEL;
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debug("%s: drvsel %d smplsel %d\n", __func__, drvsel, smplsel);
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writel(SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel),
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debug("%s: drvsel %d smplsel %d\n", __func__,
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priv->drvsel, priv->smplsel);
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writel(SYSMGR_SDMMC_CTRL_SET(priv->smplsel, priv->drvsel),
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&system_manager_base->sdmmcgrp_ctrl);
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debug("%s: SYSMGR_SDMMCGRP_CTRL_REG = 0x%x\n", __func__,
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@ -50,6 +52,7 @@ static int socfpga_dwmci_of_probe(const void *blob, int node, const int idx)
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const unsigned long clk = cm_get_mmc_controller_clk_hz();
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struct dwmci_host *host;
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struct dwmci_socfpga_priv_data *priv;
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fdt_addr_t reg_base;
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int bus_width, fifo_depth;
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@ -83,6 +86,13 @@ static int socfpga_dwmci_of_probe(const void *blob, int node, const int idx)
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if (!host)
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return -ENOMEM;
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/* Allocate the priv */
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priv = calloc(1, sizeof(*priv));
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if (!priv) {
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free(host);
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return -ENOMEM;
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}
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host->name = "SOCFPGA DWMMC";
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host->ioaddr = (void *)reg_base;
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host->buswidth = bus_width;
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@ -92,6 +102,9 @@ static int socfpga_dwmci_of_probe(const void *blob, int node, const int idx)
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host->bus_hz = clk;
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host->fifoth_val = MSIZE(0x2) |
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RX_WMARK(fifo_depth / 2 - 1) | TX_WMARK(fifo_depth / 2);
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priv->drvsel = fdtdec_get_uint(blob, node, "drvsel", 3);
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priv->smplsel = fdtdec_get_uint(blob, node, "smplsel", 0);
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host->priv = priv;
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return add_dwmci(host, host->bus_hz, 400000);
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}
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@ -152,8 +152,6 @@
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#define CONFIG_DWMMC
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#define CONFIG_SOCFPGA_DWMMC
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#define CONFIG_SOCFPGA_DWMMC_FIFO_DEPTH 1024
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#define CONFIG_SOCFPGA_DWMMC_DRVSEL 3
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#define CONFIG_SOCFPGA_DWMMC_SMPSEL 0
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/* FIXME */
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/* using smaller max blk cnt to avoid flooding the limited stack we have */
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#define CONFIG_SYS_MMC_MAX_BLK_COUNT 256 /* FIXME -- SPL only? */
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