diff --git a/arch/arm/include/asm/arch-sunxi/mmc.h b/arch/arm/include/asm/arch-sunxi/mmc.h index 5daacf10eb1..258c57711c9 100644 --- a/arch/arm/include/asm/arch-sunxi/mmc.h +++ b/arch/arm/include/asm/arch-sunxi/mmc.h @@ -1,139 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0+ */ -/* - * (C) Copyright 2007-2011 - * Allwinner Technology Co., Ltd. - * Aaron - * - * MMC register definition for allwinner sunxi platform. - */ -#ifndef _SUNXI_MMC_H -#define _SUNXI_MMC_H - -#include - -struct sunxi_mmc { - u32 gctrl; /* 0x00 global control */ - u32 clkcr; /* 0x04 clock control */ - u32 timeout; /* 0x08 time out */ - u32 width; /* 0x0c bus width */ - u32 blksz; /* 0x10 block size */ - u32 bytecnt; /* 0x14 byte count */ - u32 cmd; /* 0x18 command */ - u32 arg; /* 0x1c argument */ - u32 resp0; /* 0x20 response 0 */ - u32 resp1; /* 0x24 response 1 */ - u32 resp2; /* 0x28 response 2 */ - u32 resp3; /* 0x2c response 3 */ - u32 imask; /* 0x30 interrupt mask */ - u32 mint; /* 0x34 masked interrupt status */ - u32 rint; /* 0x38 raw interrupt status */ - u32 status; /* 0x3c status */ - u32 ftrglevel; /* 0x40 FIFO threshold watermark*/ - u32 funcsel; /* 0x44 function select */ - u32 cbcr; /* 0x48 CIU byte count */ - u32 bbcr; /* 0x4c BIU byte count */ - u32 dbgc; /* 0x50 debug enable */ - u32 res0; /* 0x54 reserved */ - u32 a12a; /* 0x58 Auto command 12 argument */ - u32 ntsr; /* 0x5c New timing set register */ - u32 res1[8]; - u32 dmac; /* 0x80 internal DMA control */ - u32 dlba; /* 0x84 internal DMA descr list base address */ - u32 idst; /* 0x88 internal DMA status */ - u32 idie; /* 0x8c internal DMA interrupt enable */ - u32 chda; /* 0x90 */ - u32 cbda; /* 0x94 */ - u32 res2[26]; -#if defined(CONFIG_SUNXI_GEN_SUN6I) || defined(CONFIG_SUN50I_GEN_H6) - u32 res3[17]; - u32 samp_dl; - u32 res4[46]; -#endif - u32 fifo; /* 0x100 / 0x200 FIFO access address */ -}; - -#define SUNXI_MMC_CLK_POWERSAVE (0x1 << 17) -#define SUNXI_MMC_CLK_ENABLE (0x1 << 16) -#define SUNXI_MMC_CLK_DIVIDER_MASK (0xff) - -#define SUNXI_MMC_GCTRL_SOFT_RESET (0x1 << 0) -#define SUNXI_MMC_GCTRL_FIFO_RESET (0x1 << 1) -#define SUNXI_MMC_GCTRL_DMA_RESET (0x1 << 2) -#define SUNXI_MMC_GCTRL_RESET (SUNXI_MMC_GCTRL_SOFT_RESET|\ - SUNXI_MMC_GCTRL_FIFO_RESET|\ - SUNXI_MMC_GCTRL_DMA_RESET) -#define SUNXI_MMC_GCTRL_DMA_ENABLE (0x1 << 5) -#define SUNXI_MMC_GCTRL_ACCESS_BY_AHB (0x1 << 31) - -#define SUNXI_MMC_CMD_RESP_EXPIRE (0x1 << 6) -#define SUNXI_MMC_CMD_LONG_RESPONSE (0x1 << 7) -#define SUNXI_MMC_CMD_CHK_RESPONSE_CRC (0x1 << 8) -#define SUNXI_MMC_CMD_DATA_EXPIRE (0x1 << 9) -#define SUNXI_MMC_CMD_WRITE (0x1 << 10) -#define SUNXI_MMC_CMD_AUTO_STOP (0x1 << 12) -#define SUNXI_MMC_CMD_WAIT_PRE_OVER (0x1 << 13) -#define SUNXI_MMC_CMD_SEND_INIT_SEQ (0x1 << 15) -#define SUNXI_MMC_CMD_UPCLK_ONLY (0x1 << 21) -#define SUNXI_MMC_CMD_START (0x1 << 31) - -#define SUNXI_MMC_RINT_RESP_ERROR (0x1 << 1) -#define SUNXI_MMC_RINT_COMMAND_DONE (0x1 << 2) -#define SUNXI_MMC_RINT_DATA_OVER (0x1 << 3) -#define SUNXI_MMC_RINT_TX_DATA_REQUEST (0x1 << 4) -#define SUNXI_MMC_RINT_RX_DATA_REQUEST (0x1 << 5) -#define SUNXI_MMC_RINT_RESP_CRC_ERROR (0x1 << 6) -#define SUNXI_MMC_RINT_DATA_CRC_ERROR (0x1 << 7) -#define SUNXI_MMC_RINT_RESP_TIMEOUT (0x1 << 8) -#define SUNXI_MMC_RINT_DATA_TIMEOUT (0x1 << 9) -#define SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE (0x1 << 10) -#define SUNXI_MMC_RINT_FIFO_RUN_ERROR (0x1 << 11) -#define SUNXI_MMC_RINT_HARD_WARE_LOCKED (0x1 << 12) -#define SUNXI_MMC_RINT_START_BIT_ERROR (0x1 << 13) -#define SUNXI_MMC_RINT_AUTO_COMMAND_DONE (0x1 << 14) -#define SUNXI_MMC_RINT_END_BIT_ERROR (0x1 << 15) -#define SUNXI_MMC_RINT_SDIO_INTERRUPT (0x1 << 16) -#define SUNXI_MMC_RINT_CARD_INSERT (0x1 << 30) -#define SUNXI_MMC_RINT_CARD_REMOVE (0x1 << 31) -#define SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT \ - (SUNXI_MMC_RINT_RESP_ERROR | \ - SUNXI_MMC_RINT_RESP_CRC_ERROR | \ - SUNXI_MMC_RINT_DATA_CRC_ERROR | \ - SUNXI_MMC_RINT_RESP_TIMEOUT | \ - SUNXI_MMC_RINT_DATA_TIMEOUT | \ - SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE | \ - SUNXI_MMC_RINT_FIFO_RUN_ERROR | \ - SUNXI_MMC_RINT_HARD_WARE_LOCKED | \ - SUNXI_MMC_RINT_START_BIT_ERROR | \ - SUNXI_MMC_RINT_END_BIT_ERROR) /* 0xbfc2 */ -#define SUNXI_MMC_RINT_INTERRUPT_DONE_BIT \ - (SUNXI_MMC_RINT_AUTO_COMMAND_DONE | \ - SUNXI_MMC_RINT_DATA_OVER | \ - SUNXI_MMC_RINT_COMMAND_DONE | \ - SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE) - -#define SUNXI_MMC_STATUS_RXWL_FLAG (0x1 << 0) -#define SUNXI_MMC_STATUS_TXWL_FLAG (0x1 << 1) -#define SUNXI_MMC_STATUS_FIFO_EMPTY (0x1 << 2) -#define SUNXI_MMC_STATUS_FIFO_FULL (0x1 << 3) -#define SUNXI_MMC_STATUS_CARD_PRESENT (0x1 << 8) -#define SUNXI_MMC_STATUS_CARD_DATA_BUSY (0x1 << 9) -#define SUNXI_MMC_STATUS_DATA_FSM_BUSY (0x1 << 10) -#define SUNXI_MMC_STATUS_FIFO_LEVEL(reg) (((reg) >> 17) & 0x3fff) - -#define SUNXI_MMC_NTSR_MODE_SEL_NEW (0x1 << 31) - -#define SUNXI_MMC_IDMAC_RESET (0x1 << 0) -#define SUNXI_MMC_IDMAC_FIXBURST (0x1 << 1) -#define SUNXI_MMC_IDMAC_ENABLE (0x1 << 7) - -#define SUNXI_MMC_IDIE_TXIRQ (0x1 << 0) -#define SUNXI_MMC_IDIE_RXIRQ (0x1 << 1) - -#define SUNXI_MMC_COMMON_CLK_GATE (1 << 16) -#define SUNXI_MMC_COMMON_RESET (1 << 18) - -#define SUNXI_MMC_CAL_DL_SW_EN (0x1 << 7) +#ifndef _ARCH_SUNXI_MMC_H +#define _ARCH_SUNXI_MMC_H struct mmc *sunxi_mmc_init(int sdc_no); -#endif /* _SUNXI_MMC_H */ + +#endif /* _ARCH_SUNXI_MMC_H */ diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h index fc39bb2c701..fcb19a2a8e0 100644 --- a/arch/riscv/include/asm/io.h +++ b/arch/riscv/include/asm/io.h @@ -114,6 +114,7 @@ static inline u16 readw(const volatile void __iomem *addr) return val; } +#define readl_relaxed readl static inline u32 readl(const volatile void __iomem *addr) { u32 val; diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index f04cc44e197..0683b9fe3a2 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -727,7 +727,8 @@ config ZYNQ_HISPD_BROKEN config MMC_SUNXI bool "Allwinner sunxi SD/MMC Host Controller support" - depends on ARCH_SUNXI && !UART0_PORT_F + depends on (ARCH_SUNXI || TARGET_SUNXI) && !UART0_PORT_F + depends on DM_GPIO || !DM_MMC default y help This selects support for the SD/MMC Host Controller on diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c index 1bb7b6d0e92..3b12c860148 100644 --- a/drivers/mmc/sunxi_mmc.c +++ b/drivers/mmc/sunxi_mmc.c @@ -17,15 +17,34 @@ #include #include #include +#if !CONFIG_IS_ENABLED(DM_MMC) #include #include #include +#endif #include +#include "sunxi_mmc.h" + #ifndef CCM_MMC_CTRL_MODE_SEL_NEW #define CCM_MMC_CTRL_MODE_SEL_NEW 0 #endif +#include "../../arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h" + +unsigned int clock_get_pll6(void) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)0x2001000UL; + + uint32_t rval = readl(&ccm->pll6_cfg); + int n = ((rval & CCM_PLL6_CTRL_N_MASK) >> CCM_PLL6_CTRL_N_SHIFT) + 1; + int m = ((rval >> 1) & 0x1) + 1; + int p0 = ((rval >> 16) & 0x7) + 1; + /* The register defines PLL6-2X, not plain PLL6 */ + return 24000000 / n / m / p0; +} + struct sunxi_mmc_plat { struct mmc_config cfg; struct mmc mmc; @@ -113,7 +132,8 @@ static bool sunxi_mmc_can_calibrate(void) return IS_ENABLED(CONFIG_MACH_SUN50I) || IS_ENABLED(CONFIG_MACH_SUN50I_H5) || IS_ENABLED(CONFIG_SUN50I_GEN_H6) || - IS_ENABLED(CONFIG_MACH_SUN8I_R40); + IS_ENABLED(CONFIG_MACH_SUN8I_R40) || + IS_ENABLED(CONFIG_MACH_SUN20I); } static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz) @@ -247,7 +267,7 @@ static int mmc_config_clock(struct sunxi_mmc_priv *priv, struct mmc *mmc) rval &= ~SUNXI_MMC_CLK_DIVIDER_MASK; writel(rval, &priv->reg->clkcr); -#if defined(CONFIG_SUNXI_GEN_SUN6I) || defined(CONFIG_SUN50I_GEN_H6) +#if defined(CONFIG_SUNXI_GEN_SUN6I) || defined(CONFIG_SUN50I_GEN_H6) || defined(CONFIG_MACH_SUN20I) /* A64 supports calibration of delays on MMC controller and we * have to set delay of zero before starting calibration. * Allwinner BSP driver sets a delay only in the case of @@ -686,6 +706,7 @@ static int sunxi_mmc_probe(struct udevice *dev) return ret; ccu_reg = (u32 *)(uintptr_t)ofnode_get_addr(args.node); +#define SUNXI_MMC0_BASE 0x4020000 priv->mmc_no = ((uintptr_t)priv->reg - SUNXI_MMC0_BASE) / 0x1000; priv->mclkreg = (void *)ccu_reg + get_mclk_offset() + priv->mmc_no * 4; @@ -727,6 +748,7 @@ static const struct udevice_id sunxi_mmc_ids[] = { { .compatible = "allwinner,sun7i-a20-mmc" }, { .compatible = "allwinner,sun8i-a83t-emmc" }, { .compatible = "allwinner,sun9i-a80-mmc" }, + { .compatible = "allwinner,sun20i-d1-mmc" }, { .compatible = "allwinner,sun50i-a64-mmc" }, { .compatible = "allwinner,sun50i-a64-emmc" }, { .compatible = "allwinner,sun50i-h6-mmc" }, diff --git a/drivers/mmc/sunxi_mmc.h b/drivers/mmc/sunxi_mmc.h new file mode 100644 index 00000000000..94edcd00348 --- /dev/null +++ b/drivers/mmc/sunxi_mmc.h @@ -0,0 +1,136 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. + * Aaron + * + * MMC register definition for allwinner sunxi platform. + */ + +#ifndef _SUNXI_MMC_H +#define _SUNXI_MMC_H + +#include + +struct sunxi_mmc { + u32 gctrl; /* 0x00 global control */ + u32 clkcr; /* 0x04 clock control */ + u32 timeout; /* 0x08 time out */ + u32 width; /* 0x0c bus width */ + u32 blksz; /* 0x10 block size */ + u32 bytecnt; /* 0x14 byte count */ + u32 cmd; /* 0x18 command */ + u32 arg; /* 0x1c argument */ + u32 resp0; /* 0x20 response 0 */ + u32 resp1; /* 0x24 response 1 */ + u32 resp2; /* 0x28 response 2 */ + u32 resp3; /* 0x2c response 3 */ + u32 imask; /* 0x30 interrupt mask */ + u32 mint; /* 0x34 masked interrupt status */ + u32 rint; /* 0x38 raw interrupt status */ + u32 status; /* 0x3c status */ + u32 ftrglevel; /* 0x40 FIFO threshold watermark*/ + u32 funcsel; /* 0x44 function select */ + u32 cbcr; /* 0x48 CIU byte count */ + u32 bbcr; /* 0x4c BIU byte count */ + u32 dbgc; /* 0x50 debug enable */ + u32 res0; /* 0x54 reserved */ + u32 a12a; /* 0x58 Auto command 12 argument */ + u32 ntsr; /* 0x5c New timing set register */ + u32 res1[8]; + u32 dmac; /* 0x80 internal DMA control */ + u32 dlba; /* 0x84 internal DMA descr list base address */ + u32 idst; /* 0x88 internal DMA status */ + u32 idie; /* 0x8c internal DMA interrupt enable */ + u32 chda; /* 0x90 */ + u32 cbda; /* 0x94 */ + u32 res2[26]; + u32 res3[17]; + u32 samp_dl; + u32 res4[46]; + u32 fifo; /* 0x100 / 0x200 FIFO access address */ +}; + +#define SUNXI_MMC_CLK_POWERSAVE (0x1 << 17) +#define SUNXI_MMC_CLK_ENABLE (0x1 << 16) +#define SUNXI_MMC_CLK_DIVIDER_MASK (0xff) + +#define SUNXI_MMC_GCTRL_SOFT_RESET (0x1 << 0) +#define SUNXI_MMC_GCTRL_FIFO_RESET (0x1 << 1) +#define SUNXI_MMC_GCTRL_DMA_RESET (0x1 << 2) +#define SUNXI_MMC_GCTRL_RESET (SUNXI_MMC_GCTRL_SOFT_RESET|\ + SUNXI_MMC_GCTRL_FIFO_RESET|\ + SUNXI_MMC_GCTRL_DMA_RESET) +#define SUNXI_MMC_GCTRL_DMA_ENABLE (0x1 << 5) +#define SUNXI_MMC_GCTRL_ACCESS_BY_AHB (0x1 << 31) + +#define SUNXI_MMC_CMD_RESP_EXPIRE (0x1 << 6) +#define SUNXI_MMC_CMD_LONG_RESPONSE (0x1 << 7) +#define SUNXI_MMC_CMD_CHK_RESPONSE_CRC (0x1 << 8) +#define SUNXI_MMC_CMD_DATA_EXPIRE (0x1 << 9) +#define SUNXI_MMC_CMD_WRITE (0x1 << 10) +#define SUNXI_MMC_CMD_AUTO_STOP (0x1 << 12) +#define SUNXI_MMC_CMD_WAIT_PRE_OVER (0x1 << 13) +#define SUNXI_MMC_CMD_SEND_INIT_SEQ (0x1 << 15) +#define SUNXI_MMC_CMD_UPCLK_ONLY (0x1 << 21) +#define SUNXI_MMC_CMD_START (0x1 << 31) + +#define SUNXI_MMC_RINT_RESP_ERROR (0x1 << 1) +#define SUNXI_MMC_RINT_COMMAND_DONE (0x1 << 2) +#define SUNXI_MMC_RINT_DATA_OVER (0x1 << 3) +#define SUNXI_MMC_RINT_TX_DATA_REQUEST (0x1 << 4) +#define SUNXI_MMC_RINT_RX_DATA_REQUEST (0x1 << 5) +#define SUNXI_MMC_RINT_RESP_CRC_ERROR (0x1 << 6) +#define SUNXI_MMC_RINT_DATA_CRC_ERROR (0x1 << 7) +#define SUNXI_MMC_RINT_RESP_TIMEOUT (0x1 << 8) +#define SUNXI_MMC_RINT_DATA_TIMEOUT (0x1 << 9) +#define SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE (0x1 << 10) +#define SUNXI_MMC_RINT_FIFO_RUN_ERROR (0x1 << 11) +#define SUNXI_MMC_RINT_HARD_WARE_LOCKED (0x1 << 12) +#define SUNXI_MMC_RINT_START_BIT_ERROR (0x1 << 13) +#define SUNXI_MMC_RINT_AUTO_COMMAND_DONE (0x1 << 14) +#define SUNXI_MMC_RINT_END_BIT_ERROR (0x1 << 15) +#define SUNXI_MMC_RINT_SDIO_INTERRUPT (0x1 << 16) +#define SUNXI_MMC_RINT_CARD_INSERT (0x1 << 30) +#define SUNXI_MMC_RINT_CARD_REMOVE (0x1 << 31) +#define SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT \ + (SUNXI_MMC_RINT_RESP_ERROR | \ + SUNXI_MMC_RINT_RESP_CRC_ERROR | \ + SUNXI_MMC_RINT_DATA_CRC_ERROR | \ + SUNXI_MMC_RINT_RESP_TIMEOUT | \ + SUNXI_MMC_RINT_DATA_TIMEOUT | \ + SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE | \ + SUNXI_MMC_RINT_FIFO_RUN_ERROR | \ + SUNXI_MMC_RINT_HARD_WARE_LOCKED | \ + SUNXI_MMC_RINT_START_BIT_ERROR | \ + SUNXI_MMC_RINT_END_BIT_ERROR) /* 0xbfc2 */ +#define SUNXI_MMC_RINT_INTERRUPT_DONE_BIT \ + (SUNXI_MMC_RINT_AUTO_COMMAND_DONE | \ + SUNXI_MMC_RINT_DATA_OVER | \ + SUNXI_MMC_RINT_COMMAND_DONE | \ + SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE) + +#define SUNXI_MMC_STATUS_RXWL_FLAG (0x1 << 0) +#define SUNXI_MMC_STATUS_TXWL_FLAG (0x1 << 1) +#define SUNXI_MMC_STATUS_FIFO_EMPTY (0x1 << 2) +#define SUNXI_MMC_STATUS_FIFO_FULL (0x1 << 3) +#define SUNXI_MMC_STATUS_CARD_PRESENT (0x1 << 8) +#define SUNXI_MMC_STATUS_CARD_DATA_BUSY (0x1 << 9) +#define SUNXI_MMC_STATUS_DATA_FSM_BUSY (0x1 << 10) +#define SUNXI_MMC_STATUS_FIFO_LEVEL(reg) (((reg) >> 17) & 0x3fff) + +#define SUNXI_MMC_NTSR_MODE_SEL_NEW (0x1 << 31) + +#define SUNXI_MMC_IDMAC_RESET (0x1 << 0) +#define SUNXI_MMC_IDMAC_FIXBURST (0x1 << 1) +#define SUNXI_MMC_IDMAC_ENABLE (0x1 << 7) + +#define SUNXI_MMC_IDIE_TXIRQ (0x1 << 0) +#define SUNXI_MMC_IDIE_RXIRQ (0x1 << 1) + +#define SUNXI_MMC_COMMON_CLK_GATE (1 << 16) +#define SUNXI_MMC_COMMON_RESET (1 << 18) + +#define SUNXI_MMC_CAL_DL_SW_EN (0x1 << 7) + +#endif /* _SUNXI_MMC_H */