diff options
Diffstat (limited to 'src/cpu/samsung/exynos5-common/mshc.h')
| -rw-r--r-- | src/cpu/samsung/exynos5-common/mshc.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5-common/mshc.h b/src/cpu/samsung/exynos5-common/mshc.h new file mode 100644 index 0000000000..bdb0a9c10d --- /dev/null +++ b/src/cpu/samsung/exynos5-common/mshc.h @@ -0,0 +1,170 @@ +/* + * (C) Copyright 2012 SAMSUNG Electronics + * Abhilash Kesavan <a.kesavan@samsung.com> + * + * 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 + * + */ +#ifndef __ASM_ARCH_COMMON_MSHC_H +#define __ASM_ARCH_COMMON_MSHC_H + +#include <asm/arch/pinmux.h> +#ifndef __ASSEMBLY__ +struct mshci_host { + struct s5p_mshci *reg; /* Mapped address */ + unsigned int clock; /* Current clock in MHz */ + enum periph_id peripheral; +}; + +struct s5p_mshci { + unsigned int ctrl; + unsigned int pwren; + unsigned int clkdiv; + unsigned int clksrc; + unsigned int clkena; + unsigned int tmout; + unsigned int ctype; + unsigned int blksiz; + unsigned int bytcnt; + unsigned int intmask; + unsigned int cmdarg; + unsigned int cmd; + unsigned int resp0; + unsigned int resp1; + unsigned int resp2; + unsigned int resp3; + unsigned int mintsts; + unsigned int rintsts; + unsigned int status; + unsigned int fifoth; + unsigned int cdetect; + unsigned int wrtprt; + unsigned int gpio; + unsigned int tcbcnt; + unsigned int tbbcnt; + unsigned int debnce; + unsigned int usrid; + unsigned int verid; + unsigned int hcon; + unsigned int uhs_reg; + unsigned int rst_n; + unsigned char reserved1[4]; + unsigned int bmod; + unsigned int pldmnd; + unsigned int dbaddr; + unsigned int idsts; + unsigned int idinten; + unsigned int dscaddr; + unsigned int bufaddr; + unsigned int clksel; + unsigned char reserved2[460]; + unsigned int cardthrctl; +}; + +/* + * Struct idma + * Holds the descriptor list + */ +struct mshci_idmac { + u32 des0; + u32 des1; + u32 des2; + u32 des3; +}; + +/* Control Register Register */ +#define CTRL_RESET (0x1 << 0) +#define FIFO_RESET (0x1 << 1) +#define DMA_RESET (0x1 << 2) +#define DMA_ENABLE (0x1 << 5) +#define SEND_AS_CCSD (0x1 << 10) +#define ENABLE_IDMAC (0x1 << 25) + +/* Power Enable Register */ +#define POWER_ENABLE (0x1 << 0) + +/* Clock Enable Register */ +#define CLK_ENABLE (0x1 << 0) +#define CLK_DISABLE (0x0 << 0) + +/* Timeout Register */ +#define TMOUT_MAX 0xffffffff + +/* Card Type Register */ +#define PORT0_CARD_WIDTH1 0 +#define PORT0_CARD_WIDTH4 (0x1 << 0) +#define PORT0_CARD_WIDTH8 (0x1 << 16) + +/* Interrupt Mask Register */ +#define INTMSK_ALL 0xffffffff +#define INTMSK_RE (0x1 << 1) +#define INTMSK_CDONE (0x1 << 2) +#define INTMSK_DTO (0x1 << 3) +#define INTMSK_DCRC (0x1 << 7) +#define INTMSK_RTO (0x1 << 8) +#define INTMSK_DRTO (0x1 << 9) +#define INTMSK_HTO (0x1 << 10) +#define INTMSK_FRUN (0x1 << 11) +#define INTMSK_HLE (0x1 << 12) +#define INTMSK_SBE (0x1 << 13) +#define INTMSK_ACD (0x1 << 14) +#define INTMSK_EBE (0x1 << 15) + +/* Command Register */ +#define CMD_RESP_EXP_BIT (0x1 << 6) +#define CMD_RESP_LENGTH_BIT (0x1 << 7) +#define CMD_CHECK_CRC_BIT (0x1 << 8) +#define CMD_DATA_EXP_BIT (0x1 << 9) +#define CMD_RW_BIT (0x1 << 10) +#define CMD_SENT_AUTO_STOP_BIT (0x1 << 12) +#define CMD_WAIT_PRV_DAT_BIT (0x1 << 13) +#define CMD_SEND_CLK_ONLY (0x1 << 21) +#define CMD_USE_HOLD_REG (0x1 << 29) +#define CMD_STRT_BIT (0x1 << 31) +#define CMD_ONLY_CLK (CMD_STRT_BIT | CMD_SEND_CLK_ONLY | \ + CMD_WAIT_PRV_DAT_BIT) + +/* Raw Interrupt Register */ +#define DATA_ERR (INTMSK_EBE | INTMSK_SBE | INTMSK_HLE | \ + INTMSK_FRUN | INTMSK_EBE | INTMSK_DCRC) +#define DATA_TOUT (INTMSK_HTO | INTMSK_DRTO) + +/* Status Register */ +#define DATA_BUSY (0x1 << 9) + +/* FIFO Threshold Watermark Register */ +#define TX_WMARK (0xFFF << 0) +#define RX_WMARK (0xFFF << 16) +#define MSIZE_MASK (0x7 << 28) + +/* DW DMA Mutiple Transaction Size */ +#define MSIZE_8 (2 << 28) + +/* Bus Mode Register */ +#define BMOD_IDMAC_RESET (0x1 << 0) +#define BMOD_IDMAC_FB (0x1 << 1) +#define BMOD_IDMAC_ENABLE (0x1 << 7) + +/* IDMAC bits */ +#define MSHCI_IDMAC_OWN (0x1 << 31) +#define MSHCI_IDMAC_CH (0x1 << 4) +#define MSHCI_IDMAC_FS (0x1 << 3) +#define MSHCI_IDMAC_LD (0x1 << 2) + +int s5p_mshci_init(const void *blob); + +#endif +#endif + |