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authorWolfram Sang <wsa+renesas@sang-engineering.com>2022-04-12 11:31:02 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2022-04-26 14:05:21 +0200
commit13acb62ce1ee7377ef03034fbbad6f5499464b86 (patch)
treed4775e330c9aab4ec1eb286a145ca4066c614a44 /include/linux/mmc
parentafadb04f1d6e74b18a253403f5274cde5e3fd7bd (diff)
mmc: sh_mmcif: move platform_data header to proper location
We have a dedicated directory for platform_data meanwhile, don't spoil the MMC directory with it. Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20220412093102.3428-1-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/sh_mmcif.h209
1 files changed, 0 insertions, 209 deletions
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
deleted file mode 100644
index e25533b95d9f..000000000000
--- a/include/linux/mmc/sh_mmcif.h
+++ /dev/null
@@ -1,209 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * include/linux/mmc/sh_mmcif.h
- *
- * platform data for eMMC driver
- *
- * Copyright (C) 2010 Renesas Solutions Corp.
- */
-
-#ifndef LINUX_MMC_SH_MMCIF_H
-#define LINUX_MMC_SH_MMCIF_H
-
-#include <linux/io.h>
-#include <linux/platform_device.h>
-
-/*
- * MMCIF : CE_CLK_CTRL [19:16]
- * 1000 : Peripheral clock / 512
- * 0111 : Peripheral clock / 256
- * 0110 : Peripheral clock / 128
- * 0101 : Peripheral clock / 64
- * 0100 : Peripheral clock / 32
- * 0011 : Peripheral clock / 16
- * 0010 : Peripheral clock / 8
- * 0001 : Peripheral clock / 4
- * 0000 : Peripheral clock / 2
- * 1111 : Peripheral clock (sup_pclk set '1')
- */
-
-struct sh_mmcif_plat_data {
- unsigned int slave_id_tx; /* embedded slave_id_[tr]x */
- unsigned int slave_id_rx;
- u8 sup_pclk; /* 1 :SH7757, 0: SH7724/SH7372 */
- unsigned long caps;
- u32 ocr;
-};
-
-#define MMCIF_CE_CMD_SET 0x00000000
-#define MMCIF_CE_ARG 0x00000008
-#define MMCIF_CE_ARG_CMD12 0x0000000C
-#define MMCIF_CE_CMD_CTRL 0x00000010
-#define MMCIF_CE_BLOCK_SET 0x00000014
-#define MMCIF_CE_CLK_CTRL 0x00000018
-#define MMCIF_CE_BUF_ACC 0x0000001C
-#define MMCIF_CE_RESP3 0x00000020
-#define MMCIF_CE_RESP2 0x00000024
-#define MMCIF_CE_RESP1 0x00000028
-#define MMCIF_CE_RESP0 0x0000002C
-#define MMCIF_CE_RESP_CMD12 0x00000030
-#define MMCIF_CE_DATA 0x00000034
-#define MMCIF_CE_INT 0x00000040
-#define MMCIF_CE_INT_MASK 0x00000044
-#define MMCIF_CE_HOST_STS1 0x00000048
-#define MMCIF_CE_HOST_STS2 0x0000004C
-#define MMCIF_CE_CLK_CTRL2 0x00000070
-#define MMCIF_CE_VERSION 0x0000007C
-
-/* CE_BUF_ACC */
-#define BUF_ACC_DMAWEN (1 << 25)
-#define BUF_ACC_DMAREN (1 << 24)
-#define BUF_ACC_BUSW_32 (0 << 17)
-#define BUF_ACC_BUSW_16 (1 << 17)
-#define BUF_ACC_ATYP (1 << 16)
-
-/* CE_CLK_CTRL */
-#define CLK_ENABLE (1 << 24) /* 1: output mmc clock */
-#define CLK_CLEAR (0xf << 16)
-#define CLK_SUP_PCLK (0xf << 16)
-#define CLKDIV_4 (1 << 16) /* mmc clock frequency.
- * n: bus clock/(2^(n+1)) */
-#define CLKDIV_256 (7 << 16) /* mmc clock frequency. (see above) */
-#define SRSPTO_256 (2 << 12) /* resp timeout */
-#define SRBSYTO_29 (0xf << 8) /* resp busy timeout */
-#define SRWDTO_29 (0xf << 4) /* read/write timeout */
-#define SCCSTO_29 (0xf << 0) /* ccs timeout */
-
-/* CE_VERSION */
-#define SOFT_RST_ON (1 << 31)
-#define SOFT_RST_OFF 0
-
-static inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
-{
- return __raw_readl(addr + reg);
-}
-
-static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val)
-{
- __raw_writel(val, addr + reg);
-}
-
-#define SH_MMCIF_BBS 512 /* boot block size */
-
-static inline void sh_mmcif_boot_cmd_send(void __iomem *base,
- unsigned long cmd, unsigned long arg)
-{
- sh_mmcif_writel(base, MMCIF_CE_INT, 0);
- sh_mmcif_writel(base, MMCIF_CE_ARG, arg);
- sh_mmcif_writel(base, MMCIF_CE_CMD_SET, cmd);
-}
-
-static inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask)
-{
- unsigned long tmp;
- int cnt;
-
- for (cnt = 0; cnt < 1000000; cnt++) {
- tmp = sh_mmcif_readl(base, MMCIF_CE_INT);
- if (tmp & mask) {
- sh_mmcif_writel(base, MMCIF_CE_INT, tmp & ~mask);
- return 0;
- }
- }
-
- return -1;
-}
-
-static inline int sh_mmcif_boot_cmd(void __iomem *base,
- unsigned long cmd, unsigned long arg)
-{
- sh_mmcif_boot_cmd_send(base, cmd, arg);
- return sh_mmcif_boot_cmd_poll(base, 0x00010000);
-}
-
-static inline int sh_mmcif_boot_do_read_single(void __iomem *base,
- unsigned int block_nr,
- unsigned long *buf)
-{
- int k;
-
- /* CMD13 - Status */
- sh_mmcif_boot_cmd(base, 0x0d400000, 0x00010000);
-
- if (sh_mmcif_readl(base, MMCIF_CE_RESP0) != 0x0900)
- return -1;
-
- /* CMD17 - Read */
- sh_mmcif_boot_cmd(base, 0x11480000, block_nr * SH_MMCIF_BBS);
- if (sh_mmcif_boot_cmd_poll(base, 0x00100000) < 0)
- return -1;
-
- for (k = 0; k < (SH_MMCIF_BBS / 4); k++)
- buf[k] = sh_mmcif_readl(base, MMCIF_CE_DATA);
-
- return 0;
-}
-
-static inline int sh_mmcif_boot_do_read(void __iomem *base,
- unsigned long first_block,
- unsigned long nr_blocks,
- void *buf)
-{
- unsigned long k;
- int ret = 0;
-
- /* In data transfer mode: Set clock to Bus clock/4 (about 20Mhz) */
- sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL,
- CLK_ENABLE | CLKDIV_4 | SRSPTO_256 |
- SRBSYTO_29 | SRWDTO_29 | SCCSTO_29);
-
- /* CMD9 - Get CSD */
- sh_mmcif_boot_cmd(base, 0x09806000, 0x00010000);
-
- /* CMD7 - Select the card */
- sh_mmcif_boot_cmd(base, 0x07400000, 0x00010000);
-
- /* CMD16 - Set the block size */
- sh_mmcif_boot_cmd(base, 0x10400000, SH_MMCIF_BBS);
-
- for (k = 0; !ret && k < nr_blocks; k++)
- ret = sh_mmcif_boot_do_read_single(base, first_block + k,
- buf + (k * SH_MMCIF_BBS));
-
- return ret;
-}
-
-static inline void sh_mmcif_boot_init(void __iomem *base)
-{
- /* reset */
- sh_mmcif_writel(base, MMCIF_CE_VERSION, SOFT_RST_ON);
- sh_mmcif_writel(base, MMCIF_CE_VERSION, SOFT_RST_OFF);
-
- /* byte swap */
- sh_mmcif_writel(base, MMCIF_CE_BUF_ACC, BUF_ACC_ATYP);
-
- /* Set block size in MMCIF hardware */
- sh_mmcif_writel(base, MMCIF_CE_BLOCK_SET, SH_MMCIF_BBS);
-
- /* Enable the clock, set it to Bus clock/256 (about 325Khz). */
- sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL,
- CLK_ENABLE | CLKDIV_256 | SRSPTO_256 |
- SRBSYTO_29 | SRWDTO_29 | SCCSTO_29);
-
- /* CMD0 */
- sh_mmcif_boot_cmd(base, 0x00000040, 0);
-
- /* CMD1 - Get OCR */
- do {
- sh_mmcif_boot_cmd(base, 0x01405040, 0x40300000); /* CMD1 */
- } while ((sh_mmcif_readl(base, MMCIF_CE_RESP0) & 0x80000000)
- != 0x80000000);
-
- /* CMD2 - Get CID */
- sh_mmcif_boot_cmd(base, 0x02806040, 0);
-
- /* CMD3 - Set card relative address */
- sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000);
-}
-
-#endif /* LINUX_MMC_SH_MMCIF_H */