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authorNeil Armstrong <narmstrong@baylibre.com>2020-11-11 08:22:09 +0900
committerNeil Armstrong <narmstrong@baylibre.com>2020-11-12 14:31:29 +0100
commit77863d43eb2b40319619bbb4f781270d8f027189 (patch)
tree95624e5ad6d99f7688688b7540e9512d97a3100e /drivers/mmc
parentb6a71e26c9caf0d2adbdbbd823498a006b994179 (diff)
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mmc: meson-gx: move arch header to local header
Move the asm/arch-meson/sd_emmc.h to a local meson_gx_mmc.h, remove the useless if/then and fix the meson_gx_mmc.c include. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/meson_gx_mmc.c2
-rw-r--r--drivers/mmc/meson_gx_mmc.h89
2 files changed, 90 insertions, 1 deletions
diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c
index 719dd1e..eedebb3 100644
--- a/drivers/mmc/meson_gx_mmc.c
+++ b/drivers/mmc/meson_gx_mmc.c
@@ -13,9 +13,9 @@
#include <mmc.h>
#include <asm/io.h>
#include <asm/gpio.h>
-#include <asm/arch/sd_emmc.h>
#include <linux/delay.h>
#include <linux/log2.h>
+#include "meson_gx_mmc.h"
static inline void *get_regbase(const struct mmc *mmc)
{
diff --git a/drivers/mmc/meson_gx_mmc.h b/drivers/mmc/meson_gx_mmc.h
new file mode 100644
index 0000000..b4544b5
--- /dev/null
+++ b/drivers/mmc/meson_gx_mmc.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2016 Carlo Caione <carlo@caione.org>
+ */
+
+#ifndef __MESON_GX_MMC_H__
+#define __MESON_GX_MMC_H__
+
+#include <mmc.h>
+#include <linux/bitops.h>
+
+#define SDIO_PORT_A 0
+#define SDIO_PORT_B 1
+#define SDIO_PORT_C 2
+
+#define SD_EMMC_CLKSRC_24M 24000000 /* 24 MHz */
+#define SD_EMMC_CLKSRC_DIV2 1000000000 /* 1 GHz */
+
+#define MESON_SD_EMMC_CLOCK 0x00
+#define CLK_MAX_DIV 63
+#define CLK_SRC_24M (0 << 6)
+#define CLK_SRC_DIV2 (1 << 6)
+#define CLK_CO_PHASE_000 (0 << 8)
+#define CLK_CO_PHASE_090 (1 << 8)
+#define CLK_CO_PHASE_180 (2 << 8)
+#define CLK_CO_PHASE_270 (3 << 8)
+#define CLK_TX_PHASE_000 (0 << 10)
+#define CLK_TX_PHASE_090 (1 << 10)
+#define CLK_TX_PHASE_180 (2 << 10)
+#define CLK_TX_PHASE_270 (3 << 10)
+#define CLK_ALWAYS_ON BIT(24)
+
+#define MESON_SD_EMMC_CFG 0x44
+#define CFG_BUS_WIDTH_MASK GENMASK(1, 0)
+#define CFG_BUS_WIDTH_1 0
+#define CFG_BUS_WIDTH_4 1
+#define CFG_BUS_WIDTH_8 2
+#define CFG_BL_LEN_MASK GENMASK(7, 4)
+#define CFG_BL_LEN_SHIFT 4
+#define CFG_BL_LEN_512 (9 << 4)
+#define CFG_RESP_TIMEOUT_MASK GENMASK(11, 8)
+#define CFG_RESP_TIMEOUT_256 (8 << 8)
+#define CFG_RC_CC_MASK GENMASK(15, 12)
+#define CFG_RC_CC_16 (4 << 12)
+#define CFG_SDCLK_ALWAYS_ON BIT(18)
+#define CFG_AUTO_CLK BIT(23)
+
+#define MESON_SD_EMMC_STATUS 0x48
+#define STATUS_MASK GENMASK(15, 0)
+#define STATUS_ERR_MASK GENMASK(12, 0)
+#define STATUS_RXD_ERR_MASK GENMASK(7, 0)
+#define STATUS_TXD_ERR BIT(8)
+#define STATUS_DESC_ERR BIT(9)
+#define STATUS_RESP_ERR BIT(10)
+#define STATUS_RESP_TIMEOUT BIT(11)
+#define STATUS_DESC_TIMEOUT BIT(12)
+#define STATUS_END_OF_CHAIN BIT(13)
+
+#define MESON_SD_EMMC_IRQ_EN 0x4c
+
+#define MESON_SD_EMMC_CMD_CFG 0x50
+#define CMD_CFG_LENGTH_MASK GENMASK(8, 0)
+#define CMD_CFG_BLOCK_MODE BIT(9)
+#define CMD_CFG_R1B BIT(10)
+#define CMD_CFG_END_OF_CHAIN BIT(11)
+#define CMD_CFG_TIMEOUT_4S (12 << 12)
+#define CMD_CFG_NO_RESP BIT(16)
+#define CMD_CFG_DATA_IO BIT(18)
+#define CMD_CFG_DATA_WR BIT(19)
+#define CMD_CFG_RESP_NOCRC BIT(20)
+#define CMD_CFG_RESP_128 BIT(21)
+#define CMD_CFG_CMD_INDEX_SHIFT 24
+#define CMD_CFG_OWNER BIT(31)
+
+#define MESON_SD_EMMC_CMD_ARG 0x54
+#define MESON_SD_EMMC_CMD_DAT 0x58
+#define MESON_SD_EMMC_CMD_RSP 0x5c
+#define MESON_SD_EMMC_CMD_RSP1 0x60
+#define MESON_SD_EMMC_CMD_RSP2 0x64
+#define MESON_SD_EMMC_CMD_RSP3 0x68
+
+struct meson_mmc_platdata {
+ struct mmc_config cfg;
+ struct mmc mmc;
+ void *regbase;
+ void *w_buf;
+};
+
+#endif