@@ -42,6 +42,11 @@ struct renesas_sdhi_quirks {
const u8 (*hs400_calib_table)[SDHI_CALIB_TABLE_MAX];
};
+struct renesas_sdhi_of_data_with_quirks {
+ const struct renesas_sdhi_of_data *of_data;
+ const struct renesas_sdhi_quirks *quirks;
+};
+
struct tmio_mmc_dma {
enum dma_slave_buswidth dma_buswidth;
bool (*filter)(struct dma_chan *chan, void *arg);
@@ -78,6 +83,8 @@ struct renesas_sdhi {
container_of((host)->pdata, struct renesas_sdhi, mmc_data)
int renesas_sdhi_probe(struct platform_device *pdev,
- const struct tmio_mmc_dma_ops *dma_ops);
+ const struct tmio_mmc_dma_ops *dma_ops,
+ const struct renesas_sdhi_of_data *of_data,
+ const struct renesas_sdhi_quirks *quirks);
int renesas_sdhi_remove(struct platform_device *pdev);
#endif
@@ -305,27 +305,6 @@ static int renesas_sdhi_start_signal_voltage_switch(struct mmc_host *mmc,
#define SH_MOBILE_SDHI_SCC_TMPPORT_CALIB_CODE_MASK 0x1f
#define SH_MOBILE_SDHI_SCC_TMPPORT_MANUAL_MODE BIT(7)
-static const u8 r8a7796_es13_calib_table[2][SDHI_CALIB_TABLE_MAX] = {
- { 3, 3, 3, 3, 3, 3, 3, 4, 4, 5, 6, 7, 8, 9, 10, 15,
- 16, 16, 16, 16, 16, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25 },
- { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 7, 8, 11,
- 12, 17, 18, 18, 18, 18, 18, 18, 18, 19, 20, 21, 22, 23, 25, 25 }
-};
-
-static const u8 r8a77965_calib_table[2][SDHI_CALIB_TABLE_MAX] = {
- { 1, 2, 6, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 15, 15, 16,
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 25, 26, 27, 28, 29, 30, 31 },
- { 2, 3, 4, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 17, 17, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 31, 31, 31 }
-};
-
-static const u8 r8a77990_calib_table[2][SDHI_CALIB_TABLE_MAX] = {
- { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 1, 2, 3, 3, 4, 4, 4, 5, 5, 6, 8, 9, 10,
- 11, 12, 13, 15, 16, 17, 17, 18, 18, 19, 20, 22, 24, 25, 26, 26 }
-};
-
static inline u32 sd_scc_read32(struct tmio_mmc_host *host,
struct renesas_sdhi *priv, int addr)
{
@@ -895,69 +874,12 @@ static void renesas_sdhi_enable_dma(struct tmio_mmc_host *host, bool enable)
renesas_sdhi_sdbuf_width(host, enable ? width : 16);
}
-static const struct renesas_sdhi_quirks sdhi_quirks_4tap_nohs400 = {
- .hs400_disabled = true,
- .hs400_4taps = true,
-};
-
-static const struct renesas_sdhi_quirks sdhi_quirks_4tap = {
- .hs400_4taps = true,
- .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
-};
-
-static const struct renesas_sdhi_quirks sdhi_quirks_nohs400 = {
- .hs400_disabled = true,
-};
-
-static const struct renesas_sdhi_quirks sdhi_quirks_bad_taps1357 = {
- .hs400_bad_taps = BIT(1) | BIT(3) | BIT(5) | BIT(7),
-};
-
-static const struct renesas_sdhi_quirks sdhi_quirks_bad_taps2367 = {
- .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
-};
-
-static const struct renesas_sdhi_quirks sdhi_quirks_r8a7796_es13 = {
- .hs400_4taps = true,
- .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
- .hs400_calib_table = r8a7796_es13_calib_table,
-};
-
-static const struct renesas_sdhi_quirks sdhi_quirks_r8a77965 = {
- .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
- .hs400_calib_table = r8a77965_calib_table,
-};
-
-static const struct renesas_sdhi_quirks sdhi_quirks_r8a77990 = {
- .hs400_calib_table = r8a77990_calib_table,
-};
-
-/*
- * Note for r8a7796 / r8a774a1: we can't distinguish ES1.1 and 1.2 as of now.
- * So, we want to treat them equally and only have a match for ES1.2 to enforce
- * this if there ever will be a way to distinguish ES1.2.
- */
-static const struct soc_device_attribute sdhi_quirks_match[] = {
- { .soc_id = "r8a774a1", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
- { .soc_id = "r8a7795", .revision = "ES1.*", .data = &sdhi_quirks_4tap_nohs400 },
- { .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap },
- { .soc_id = "r8a7795", .revision = "ES3.*", .data = &sdhi_quirks_bad_taps2367 },
- { .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
- { .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_r8a7796_es13 },
- { .soc_id = "r8a77961", .data = &sdhi_quirks_bad_taps1357 },
- { .soc_id = "r8a77965", .data = &sdhi_quirks_r8a77965 },
- { .soc_id = "r8a77980", .data = &sdhi_quirks_nohs400 },
- { .soc_id = "r8a77990", .data = &sdhi_quirks_r8a77990 },
- { /* Sentinel. */ },
-};
-
int renesas_sdhi_probe(struct platform_device *pdev,
- const struct tmio_mmc_dma_ops *dma_ops)
+ const struct tmio_mmc_dma_ops *dma_ops,
+ const struct renesas_sdhi_of_data *of_data,
+ const struct renesas_sdhi_quirks *quirks)
{
struct tmio_mmc_data *mmd = pdev->dev.platform_data;
- const struct renesas_sdhi_quirks *quirks = NULL;
- const struct renesas_sdhi_of_data *of_data;
- const struct soc_device_attribute *attr;
struct tmio_mmc_data *mmc_data;
struct tmio_mmc_dma *dma_priv;
struct tmio_mmc_host *host;
@@ -966,12 +888,6 @@ int renesas_sdhi_probe(struct platform_device *pdev,
struct resource *res;
u16 ver;
- of_data = of_device_get_match_data(&pdev->dev);
-
- attr = soc_device_match(sdhi_quirks_match);
- if (attr)
- quirks = attr->data;
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -EINVAL;
@@ -15,6 +15,7 @@
#include <linux/mmc/host.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/pagemap.h>
#include <linux/scatterlist.h>
#include <linux/sys_soc.h>
@@ -92,7 +93,7 @@ static struct renesas_sdhi_scc rcar_gen3_scc_taps[] = {
},
};
-static const struct renesas_sdhi_of_data of_rza2_compatible = {
+static const struct renesas_sdhi_of_data of_data_rza2 = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
TMIO_MMC_HAVE_CBSY,
.tmio_ocr_mask = MMC_VDD_32_33,
@@ -107,7 +108,11 @@ static const struct renesas_sdhi_of_data of_rza2_compatible = {
.max_segs = 1,
};
-static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = {
+static const struct renesas_sdhi_of_data_with_quirks of_rza2_compatible = {
+ .of_data = &of_data_rza2,
+};
+
+static const struct renesas_sdhi_of_data of_data_rcar_gen3 = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
@@ -122,11 +127,116 @@ static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = {
.max_segs = 1,
};
+static const u8 r8a7796_es13_calib_table[2][SDHI_CALIB_TABLE_MAX] = {
+ { 3, 3, 3, 3, 3, 3, 3, 4, 4, 5, 6, 7, 8, 9, 10, 15,
+ 16, 16, 16, 16, 16, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25 },
+ { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 7, 8, 11,
+ 12, 17, 18, 18, 18, 18, 18, 18, 18, 19, 20, 21, 22, 23, 25, 25 }
+};
+
+static const u8 r8a77965_calib_table[2][SDHI_CALIB_TABLE_MAX] = {
+ { 1, 2, 6, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 15, 15, 16,
+ 17, 18, 19, 20, 21, 22, 23, 24, 25, 25, 26, 27, 28, 29, 30, 31 },
+ { 2, 3, 4, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+ 17, 17, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 31, 31, 31 }
+};
+
+static const u8 r8a77990_calib_table[2][SDHI_CALIB_TABLE_MAX] = {
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { 0, 0, 0, 1, 2, 3, 3, 4, 4, 4, 5, 5, 6, 8, 9, 10,
+ 11, 12, 13, 15, 16, 17, 17, 18, 18, 19, 20, 22, 24, 25, 26, 26 }
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_4tap_nohs400 = {
+ .hs400_disabled = true,
+ .hs400_4taps = true,
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_4tap = {
+ .hs400_4taps = true,
+ .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_nohs400 = {
+ .hs400_disabled = true,
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_bad_taps1357 = {
+ .hs400_bad_taps = BIT(1) | BIT(3) | BIT(5) | BIT(7),
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_bad_taps2367 = {
+ .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_r8a7796_es13 = {
+ .hs400_4taps = true,
+ .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
+ .hs400_calib_table = r8a7796_es13_calib_table,
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_r8a77965 = {
+ .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
+ .hs400_calib_table = r8a77965_calib_table,
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_r8a77990 = {
+ .hs400_calib_table = r8a77990_calib_table,
+};
+
+/*
+ * Note for r8a7796 / r8a774a1: we can't distinguish ES1.1 and 1.2 as of now.
+ * So, we want to treat them equally and only have a match for ES1.2 to enforce
+ * this if there ever will be a way to distinguish ES1.2.
+ */
+static const struct soc_device_attribute sdhi_quirks_match[] = {
+ { .soc_id = "r8a774a1", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
+ { .soc_id = "r8a7795", .revision = "ES1.*", .data = &sdhi_quirks_4tap_nohs400 },
+ { .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap },
+ { .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
+ { .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_r8a7796_es13 },
+ { /* Sentinel. */ },
+};
+
+static const struct renesas_sdhi_of_data_with_quirks of_r8a7795_compatible = {
+ .of_data = &of_data_rcar_gen3,
+ .quirks = &sdhi_quirks_bad_taps2367,
+};
+
+static const struct renesas_sdhi_of_data_with_quirks of_r8a77961_compatible = {
+ .of_data = &of_data_rcar_gen3,
+ .quirks = &sdhi_quirks_bad_taps1357,
+};
+
+static const struct renesas_sdhi_of_data_with_quirks of_r8a77965_compatible = {
+ .of_data = &of_data_rcar_gen3,
+ .quirks = &sdhi_quirks_r8a77965,
+};
+
+static const struct renesas_sdhi_of_data_with_quirks of_r8a77980_compatible = {
+ .of_data = &of_data_rcar_gen3,
+ .quirks = &sdhi_quirks_nohs400,
+};
+
+static const struct renesas_sdhi_of_data_with_quirks of_r8a77990_compatible = {
+ .of_data = &of_data_rcar_gen3,
+ .quirks = &sdhi_quirks_r8a77990,
+};
+
+static const struct renesas_sdhi_of_data_with_quirks of_rcar_gen3_compatible = {
+ .of_data = &of_data_rcar_gen3,
+};
+
static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = {
{ .compatible = "renesas,sdhi-r7s9210", .data = &of_rza2_compatible, },
{ .compatible = "renesas,sdhi-mmc-r8a77470", .data = &of_rcar_gen3_compatible, },
- { .compatible = "renesas,sdhi-r8a7795", .data = &of_rcar_gen3_compatible, },
+ { .compatible = "renesas,sdhi-r8a7795", .data = &of_r8a7795_compatible, },
{ .compatible = "renesas,sdhi-r8a7796", .data = &of_rcar_gen3_compatible, },
+ { .compatible = "renesas,sdhi-r8a77961", .data = &of_r8a77961_compatible, },
+ { .compatible = "renesas,sdhi-r8a77965", .data = &of_r8a77965_compatible, },
+ { .compatible = "renesas,sdhi-r8a77980", .data = &of_r8a77980_compatible, },
+ { .compatible = "renesas,sdhi-r8a77990", .data = &of_r8a77990_compatible, },
{ .compatible = "renesas,rcar-gen3-sdhi", .data = &of_rcar_gen3_compatible, },
{},
};
@@ -406,15 +516,25 @@ static const struct soc_device_attribute soc_dma_quirks[] = {
static int renesas_sdhi_internal_dmac_probe(struct platform_device *pdev)
{
const struct soc_device_attribute *soc = soc_device_match(soc_dma_quirks);
+ const struct soc_device_attribute *attr = soc_device_match(sdhi_quirks_match);
+ const struct renesas_sdhi_of_data_with_quirks *of_data_quirks;
+ const struct renesas_sdhi_quirks *quirks = NULL;
struct device *dev = &pdev->dev;
if (soc)
global_flags |= (unsigned long)soc->data;
+ of_data_quirks = of_device_get_match_data(&pdev->dev);
+
+ if (attr)
+ quirks = attr->data;
+
/* value is max of SD_SECCNT. Confirmed by HW engineers */
dma_set_max_seg_size(dev, 0xffffffff);
- return renesas_sdhi_probe(pdev, &renesas_sdhi_internal_dmac_dma_ops);
+ return renesas_sdhi_probe(pdev, &renesas_sdhi_internal_dmac_dma_ops,
+ of_data_quirks->of_data,
+ quirks ? : of_data_quirks->quirks);
}
static const struct dev_pm_ops renesas_sdhi_internal_dmac_dev_pm_ops = {
@@ -451,7 +451,8 @@ static const struct tmio_mmc_dma_ops renesas_sdhi_sys_dmac_dma_ops = {
static int renesas_sdhi_sys_dmac_probe(struct platform_device *pdev)
{
- return renesas_sdhi_probe(pdev, &renesas_sdhi_sys_dmac_dma_ops);
+ return renesas_sdhi_probe(pdev, &renesas_sdhi_sys_dmac_dma_ops,
+ of_device_get_match_data(&pdev->dev), NULL);
}
static const struct dev_pm_ops renesas_sdhi_sys_dmac_dev_pm_ops = {
Refactor renesas_sdhi_probe() to avoid increasing numbers of sdhi_quirks_match[] entry when we add other stable SoCs like r8a779m*. Note that the sdhi_quirks_match[] is only needed on renesas_sdhi_internal_dmac.c so that of_data of renesas_sdhi_sys_dmac.c keeps as-is. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reported-by: kernel test robot <lkp@intel.com> # build fix on RFC --- - I tested this patch on r8a77951 (ES3.0), r8a77960 (ES1.0) and r8a77965. - Also I tested this patch on r8a7791. Changes from RFC v2: - Remove "RFC" mark from the subject. - Add a comment to the Reported-by tag. - Move all quirks to internal_dmac.c so that expands the renesas_sdhi_probe() arguments. So, update the commit subject and description. - Don't modify the renesas_sdhi_sys_dmac.c's of_data. - Replace tabs with a space in of_data_with_quirks variables. https://lore.kernel.org/linux-renesas-soc/20210629102033.847369-1-yoshihiro.shimoda.uh@renesas.com/ Changes from RFC v1: - Fix build error in sys_dmac.c, reported by kernel test robot, so that add Reported-by tag. - Always set quirks, not using else statement. - Fix a NULL dereference if of_device_get_match_data() returns NULL. https://lore.kernel.org/linux-renesas-soc/20210625075508.664674-1-yoshihiro.shimoda.uh@renesas.com/ drivers/mmc/host/renesas_sdhi.h | 9 +- drivers/mmc/host/renesas_sdhi_core.c | 90 +----------- drivers/mmc/host/renesas_sdhi_internal_dmac.c | 128 +++++++++++++++++- drivers/mmc/host/renesas_sdhi_sys_dmac.c | 3 +- 4 files changed, 137 insertions(+), 93 deletions(-)