* Based on code from LTIB:
* Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __MX28_REGS_SSP_H__
#define __MX28_REGS_SSP_H__
-#include <asm/arch/regs-common.h>
+#include <asm/imx-common/regs-common.h>
#ifndef __ASSEMBLY__
+#if defined(CONFIG_MX23)
+struct mxs_ssp_regs {
+ mxs_reg_32(hw_ssp_ctrl0)
+ mxs_reg_32(hw_ssp_cmd0)
+ mxs_reg_32(hw_ssp_cmd1)
+ mxs_reg_32(hw_ssp_compref)
+ mxs_reg_32(hw_ssp_compmask)
+ mxs_reg_32(hw_ssp_timing)
+ mxs_reg_32(hw_ssp_ctrl1)
+ mxs_reg_32(hw_ssp_data)
+ mxs_reg_32(hw_ssp_sdresp0)
+ mxs_reg_32(hw_ssp_sdresp1)
+ mxs_reg_32(hw_ssp_sdresp2)
+ mxs_reg_32(hw_ssp_sdresp3)
+ mxs_reg_32(hw_ssp_status)
+
+ uint32_t reserved1[12];
+
+ mxs_reg_32(hw_ssp_debug)
+ mxs_reg_32(hw_ssp_version)
+};
+#elif defined(CONFIG_MX28)
struct mxs_ssp_regs {
mxs_reg_32(hw_ssp_ctrl0)
mxs_reg_32(hw_ssp_cmd0)
};
#endif
+static inline int mxs_ssp_bus_id_valid(int bus)
+{
+#if defined(CONFIG_MX23)
+ const unsigned int mxs_ssp_chan_count = 2;
+#elif defined(CONFIG_MX28)
+ const unsigned int mxs_ssp_chan_count = 4;
+#endif
+
+ if (bus >= mxs_ssp_chan_count)
+ return 0;
+
+ if (bus < 0)
+ return 0;
+
+ return 1;
+}
+
+static inline int mxs_ssp_clock_by_bus(unsigned int clock)
+{
+#if defined(CONFIG_MX23)
+ return 0;
+#elif defined(CONFIG_MX28)
+ return clock;
+#endif
+}
+
+static inline struct mxs_ssp_regs *mxs_ssp_regs_by_bus(unsigned int port)
+{
+ switch (port) {
+ case 0:
+ return (struct mxs_ssp_regs *)MXS_SSP0_BASE;
+ case 1:
+ return (struct mxs_ssp_regs *)MXS_SSP1_BASE;
+#ifdef CONFIG_MX28
+ case 2:
+ return (struct mxs_ssp_regs *)MXS_SSP2_BASE;
+ case 3:
+ return (struct mxs_ssp_regs *)MXS_SSP3_BASE;
+#endif
+ default:
+ return NULL;
+ }
+}
+#endif
+
#define SSP_CTRL0_SFTRST (1 << 31)
#define SSP_CTRL0_CLKGATE (1 << 30)
#define SSP_CTRL0_RUN (1 << 29)
#define SSP_CTRL0_GET_RESP (1 << 17)
#define SSP_CTRL0_ENABLE (1 << 16)
+#ifdef CONFIG_MX23
+#define SSP_CTRL0_XFER_COUNT_OFFSET 0
+#define SSP_CTRL0_XFER_COUNT_MASK 0xffff
+#endif
+
#define SSP_CMD0_SOFT_TERMINATE (1 << 26)
#define SSP_CMD0_DBL_DATA_RATE_EN (1 << 25)
#define SSP_CMD0_PRIM_BOOT_OP_EN (1 << 24)
#define SSP_CMD0_SLOW_CLKING_EN (1 << 22)
#define SSP_CMD0_CONT_CLKING_EN (1 << 21)
#define SSP_CMD0_APPEND_8CYC (1 << 20)
+#if defined(CONFIG_MX23)
+#define SSP_CMD0_BLOCK_SIZE_MASK (0xf << 16)
+#define SSP_CMD0_BLOCK_SIZE_OFFSET 16
+#define SSP_CMD0_BLOCK_COUNT_MASK (0xff << 8)
+#define SSP_CMD0_BLOCK_COUNT_OFFSET 8
+#endif
#define SSP_CMD0_CMD_MASK 0xff
#define SSP_CMD0_CMD_OFFSET 0
#define SSP_CMD0_CMD_MMC_GO_IDLE_STATE 0x00
#define SSP_CMD1_CMD_ARG_MASK 0xffffffff
#define SSP_CMD1_CMD_ARG_OFFSET 0
+#if defined(CONFIG_MX28)
#define SSP_XFER_SIZE_XFER_COUNT_MASK 0xffffffff
#define SSP_XFER_SIZE_XFER_COUNT_OFFSET 0
#define SSP_BLOCK_SIZE_BLOCK_COUNT_OFFSET 4
#define SSP_BLOCK_SIZE_BLOCK_SIZE_MASK 0xf
#define SSP_BLOCK_SIZE_BLOCK_SIZE_OFFSET 0
+#endif
#define SSP_COMPREF_REFERENCE_MASK 0xffffffff
#define SSP_COMPREF_REFERENCE_OFFSET 0