[U-Boot] [v3, 5/5] mmc: fsl_esdhc_imx: drop useless code

[Y.b. Lu <yangbo.lu@nxp.com>]

Dropped useless code for i.MX eSDHC driver.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
---
Changes for v2:
	- Added this patch.
Changes for v3:
	- None.
---
 drivers/mmc/fsl_esdhc_imx.c | 96 ++-----------------------------------
 include/fsl_esdhc_imx.h     |  4 --
 2 files changed, 4 insertions(+), 96 deletions(-)

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index faf133390f..1c02e0eef1 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -259,8 +259,7 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc,
 {
 	int timeout;
 	struct fsl_esdhc *regs = priv->esdhc_regs;
-#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
-	defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
+#if defined(CONFIG_S32V234) || defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
 	dma_addr_t addr;
 #endif
 	uint wml_value;
@@ -273,8 +272,7 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc,
 
 		esdhc_clrsetbits32(&regs->wml, WML_RD_WML_MASK, wml_value);
 #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
-#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
-	defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
+#if defined(CONFIG_S32V234) || defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
 		addr = virt_to_phys((void *)(data->dest));
 		if (upper_32_bits(addr))
 			printf("Error found for upper 32 bits\n");
@@ -310,8 +308,7 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc,
 		esdhc_clrsetbits32(&regs->wml, WML_WR_WML_MASK,
 					wml_value << 16);
 #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
-#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
-	defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
+#if defined(CONFIG_S32V234) || defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
 		addr = virt_to_phys((void *)(data->src));
 		if (upper_32_bits(addr))
 			printf("Error found for upper 32 bits\n");
@@ -376,8 +373,7 @@ static void check_and_invalidate_dcache_range
 	unsigned end = 0;
 	unsigned size = roundup(ARCH_DMA_MINALIGN,
 				data->blocks*data->blocksize);
-#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
-	defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
+#if defined(CONFIG_S32V234) || defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
 	dma_addr_t addr;
 
 	addr = virt_to_phys((void *)(data->dest));
@@ -392,25 +388,6 @@ static void check_and_invalidate_dcache_range
 	invalidate_dcache_range(start, end);
 }
 
-#ifdef CONFIG_MCF5441x
-/*
- * Swaps 32-bit words to little-endian byte order.
- */
-static inline void sd_swap_dma_buff(struct mmc_data *data)
-{
-	int i, size = data->blocksize >> 2;
-	u32 *buffer = (u32 *)data->dest;
-	u32 sw;
-
-	while (data->blocks--) {
-		for (i = 0; i < size; i++) {
-			sw = __sw32(*buffer);
-			*buffer++ = sw;
-		}
-	}
-}
-#endif
-
 /*
  * Sends a command out on the bus.  Takes the mmc pointer,
  * a command pointer, and an optional data pointer.
@@ -575,9 +552,6 @@ static int esdhc_send_cmd_common(struct fsl_esdhc_priv *priv, struct mmc *mmc,
 		 */
 		if (data->flags & MMC_DATA_READ) {
 			check_and_invalidate_dcache_range(cmd, data);
-#ifdef CONFIG_MCF5441x
-			sd_swap_dma_buff(data);
-#endif
 		}
 #endif
 	}
@@ -1073,12 +1047,8 @@ static int esdhc_init_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
 	/* Disable the BRR and BWR bits in IRQSTAT */
 	esdhc_clrbits32(&regs->irqstaten, IRQSTATEN_BRR | IRQSTATEN_BWR);
 
-#ifdef CONFIG_MCF5441x
-	esdhc_write32(&regs->proctl, PROCTL_INIT | PROCTL_D3CD);
-#else
 	/* Put the PROCTL reg back to the default */
 	esdhc_write32(&regs->proctl, PROCTL_INIT);
-#endif
 
 	/* Set timout to the maximum value */
 	esdhc_clrsetbits32(&regs->sysctl, SYSCTL_TIMEOUT_MASK, 14 << 16);
@@ -1186,11 +1156,6 @@ static int fsl_esdhc_init(struct fsl_esdhc_priv *priv,
 	if (ret)
 		return ret;
 
-#ifdef CONFIG_MCF5441x
-	/* ColdFire, using SDHC_DATA[3] for card detection */
-	esdhc_write32(&regs->proctl, PROCTL_INIT | PROCTL_D3CD);
-#endif
-
 #ifndef CONFIG_FSL_USDHC
 	esdhc_setbits32(&regs->sysctl, SYSCTL_PEREN | SYSCTL_HCKEN
 				| SYSCTL_IPGEN | SYSCTL_CKEN);
@@ -1215,15 +1180,6 @@ static int fsl_esdhc_init(struct fsl_esdhc_priv *priv,
 	voltage_caps = 0;
 	caps = esdhc_read32(&regs->hostcapblt);
 
-#ifdef CONFIG_MCF5441x
-	/*
-	 * MCF5441x RM declares in more points that sdhc clock speed must
-	 * never exceed 25 Mhz. From this, the HS bit needs to be disabled
-	 * from host capabilities.
-	 */
-	caps &= ~ESDHC_HOSTCAPBLT_HSS;
-#endif
-
 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC135
 	caps = caps & ~(ESDHC_HOSTCAPBLT_SRS |
 			ESDHC_HOSTCAPBLT_VS18 | ESDHC_HOSTCAPBLT_VS30);
@@ -1375,45 +1331,6 @@ int fsl_esdhc_mmc_init(bd_t *bis)
 }
 #endif
 
-#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
-void mmc_adapter_card_type_ident(void)
-{
-	u8 card_id;
-	u8 value;
-
-	card_id = QIXIS_READ(present) & QIXIS_SDID_MASK;
-	gd->arch.sdhc_adapter = card_id;
-
-	switch (card_id) {
-	case QIXIS_ESDHC_ADAPTER_TYPE_EMMC45:
-		value = QIXIS_READ(brdcfg[5]);
-		value |= (QIXIS_DAT4 | QIXIS_DAT5_6_7);
-		QIXIS_WRITE(brdcfg[5], value);
-		break;
-	case QIXIS_ESDHC_ADAPTER_TYPE_SDMMC_LEGACY:
-		value = QIXIS_READ(pwr_ctl[1]);
-		value |= QIXIS_EVDD_BY_SDHC_VS;
-		QIXIS_WRITE(pwr_ctl[1], value);
-		break;
-	case QIXIS_ESDHC_ADAPTER_TYPE_EMMC44:
-		value = QIXIS_READ(brdcfg[5]);
-		value |= (QIXIS_SDCLKIN | QIXIS_SDCLKOUT);
-		QIXIS_WRITE(brdcfg[5], value);
-		break;
-	case QIXIS_ESDHC_ADAPTER_TYPE_RSV:
-		break;
-	case QIXIS_ESDHC_ADAPTER_TYPE_MMC:
-		break;
-	case QIXIS_ESDHC_ADAPTER_TYPE_SD:
-		break;
-	case QIXIS_ESDHC_NO_ADAPTER:
-		break;
-	default:
-		break;
-	}
-}
-#endif
-
 #ifdef CONFIG_OF_LIBFDT
 __weak int esdhc_status_fixup(void *blob, const char *compat)
 {
@@ -1441,10 +1358,6 @@ void fdt_fixup_esdhc(void *blob, bd_t *bd)
 	do_fixup_by_compat_u32(blob, compat, "clock-frequency",
 			       gd->arch.sdhc_clk, 1);
 #endif
-#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
-	do_fixup_by_compat_u32(blob, compat, "adapter-type",
-			       (u32)(gd->arch.sdhc_adapter), 1);
-#endif
 }
 #endif
 
@@ -1654,7 +1567,6 @@ static const struct udevice_id fsl_esdhc_ids[] = {
 	{ .compatible = "fsl,imx6q-usdhc", },
 	{ .compatible = "fsl,imx7d-usdhc", .data = (ulong)&usdhc_imx7d_data,},
 	{ .compatible = "fsl,imx7ulp-usdhc", },
-	{ .compatible = "fsl,esdhc", },
 	{ /* sentinel */ }
 };
 
diff --git a/include/fsl_esdhc_imx.h b/include/fsl_esdhc_imx.h
index e05b24e7e8..8abd28ea50 100644
--- a/include/fsl_esdhc_imx.h
+++ b/include/fsl_esdhc_imx.h
@@ -17,10 +17,6 @@
 /* needed for the mmc_cfg definition */
 #include <mmc.h>
 
-#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
-#include "../board/freescale/common/qixis.h"
-#endif
-
 /* FSL eSDHC-specific constants */
 #define SYSCTL			0x0002e02c
 #define SYSCTL_INITA		0x08000000
-- 
2.17.1