diff options
| -rw-r--r-- | board/raspberrypi/rpi/rpi.c | 13 | ||||
| -rw-r--r-- | configs/rpi_2_defconfig | 1 | ||||
| -rw-r--r-- | configs/rpi_3_32b_defconfig | 1 | ||||
| -rw-r--r-- | configs/rpi_3_defconfig | 1 | ||||
| -rw-r--r-- | configs/rpi_defconfig | 1 | ||||
| -rw-r--r-- | drivers/mmc/bcm2835_sdhci.c | 81 |
6 files changed, 69 insertions, 29 deletions
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c index 2893f09bc5..1fb7ba05ff 100644 --- a/board/raspberrypi/rpi/rpi.c +++ b/board/raspberrypi/rpi/rpi.c @@ -466,19 +466,6 @@ int board_init(void) return bcm2835_power_on_module(BCM2835_MBOX_POWER_DEVID_USB_HCD); } -int board_mmc_init(bd_t *bis) -{ - int ret; - - bcm2835_power_on_module(BCM2835_MBOX_POWER_DEVID_SDHCI); - - ret = bcm2835_get_mmc_clock(); - if (ret) - return ret; - - return bcm2835_sdhci_init(BCM2835_SDHCI_BASE, ret); -} - int ft_board_setup(void *blob, bd_t *bd) { /* diff --git a/configs/rpi_2_defconfig b/configs/rpi_2_defconfig index f13a29ef13..221026a391 100644 --- a/configs/rpi_2_defconfig +++ b/configs/rpi_2_defconfig @@ -14,6 +14,7 @@ CONFIG_CMD_USB=y # CONFIG_CMD_FPGA is not set CONFIG_CMD_GPIO=y CONFIG_OF_EMBED=y +CONFIG_DM_MMC=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_BCM2835=y CONFIG_DM_ETH=y diff --git a/configs/rpi_3_32b_defconfig b/configs/rpi_3_32b_defconfig index 306d54f115..ab58045544 100644 --- a/configs/rpi_3_32b_defconfig +++ b/configs/rpi_3_32b_defconfig @@ -15,6 +15,7 @@ CONFIG_CMD_USB=y # CONFIG_CMD_FPGA is not set CONFIG_CMD_GPIO=y CONFIG_OF_EMBED=y +CONFIG_DM_MMC=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_BCM2835=y CONFIG_DM_ETH=y diff --git a/configs/rpi_3_defconfig b/configs/rpi_3_defconfig index 7fd5ca7679..36f3def6af 100644 --- a/configs/rpi_3_defconfig +++ b/configs/rpi_3_defconfig @@ -15,6 +15,7 @@ CONFIG_CMD_USB=y # CONFIG_CMD_FPGA is not set CONFIG_CMD_GPIO=y CONFIG_OF_EMBED=y +CONFIG_DM_MMC=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_BCM2835=y CONFIG_DM_ETH=y diff --git a/configs/rpi_defconfig b/configs/rpi_defconfig index d650e2eb10..72f8af91ea 100644 --- a/configs/rpi_defconfig +++ b/configs/rpi_defconfig @@ -14,6 +14,7 @@ CONFIG_CMD_USB=y # CONFIG_CMD_FPGA is not set CONFIG_CMD_GPIO=y CONFIG_OF_EMBED=y +CONFIG_DM_MMC=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_BCM2835=y CONFIG_DM_ETH=y diff --git a/drivers/mmc/bcm2835_sdhci.c b/drivers/mmc/bcm2835_sdhci.c index 20079bce48..b6e2fc6897 100644 --- a/drivers/mmc/bcm2835_sdhci.c +++ b/drivers/mmc/bcm2835_sdhci.c @@ -37,15 +37,24 @@ */ #include <common.h> +#include <dm.h> #include <malloc.h> +#include <memalign.h> #include <sdhci.h> -#include <mach/timer.h> +#include <asm/arch/msg.h> +#include <asm/arch/mbox.h> #include <mach/sdhci.h> +#include <mach/timer.h> /* 400KHz is max freq for card ID etc. Use that as min */ #define MIN_FREQ 400000 #define SDHCI_BUFFER 0x20 +struct bcm2835_sdhci_plat { + struct mmc_config cfg; + struct mmc mmc; +}; + struct bcm2835_sdhci_host { struct sdhci_host host; uint twoticks_delay; @@ -58,7 +67,7 @@ static inline struct bcm2835_sdhci_host *to_bcm(struct sdhci_host *host) } static inline void bcm2835_sdhci_raw_writel(struct sdhci_host *host, u32 val, - int reg) + int reg) { struct bcm2835_sdhci_host *bcm_host = to_bcm(host); @@ -153,16 +162,33 @@ static const struct sdhci_ops bcm2835_ops = { .read_b = bcm2835_sdhci_readb, }; -int bcm2835_sdhci_init(u32 regbase, u32 emmc_freq) +static int bcm2835_sdhci_bind(struct udevice *dev) { - struct bcm2835_sdhci_host *bcm_host; - struct sdhci_host *host; + struct bcm2835_sdhci_plat *plat = dev_get_platdata(dev); - bcm_host = calloc(1, sizeof(*bcm_host)); - if (!bcm_host) { - printf("sdhci_host calloc fail!\n"); - return -ENOMEM; + return sdhci_bind(dev, &plat->mmc, &plat->cfg); +} + +static int bcm2835_sdhci_probe(struct udevice *dev) +{ + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct bcm2835_sdhci_plat *plat = dev_get_platdata(dev); + struct bcm2835_sdhci_host *priv = dev_get_priv(dev); + struct sdhci_host *host = &priv->host; + fdt_addr_t base; + int emmc_freq; + int ret; + + base = dev_get_addr(dev); + if (base == FDT_ADDR_T_NONE) + return -EINVAL; + + ret = bcm2835_get_mmc_clock(); + if (ret < 0) { + debug("%s: Failed to set MMC clock (err=%d)\n", __func__, ret); + return ret; } + emmc_freq = ret; /* * See the comments in bcm2835_sdhci_raw_writel(). @@ -177,19 +203,42 @@ int bcm2835_sdhci_init(u32 regbase, u32 emmc_freq) * Multiply by 1000000 to get uS per two ticks. * +1 for hack rounding. */ - bcm_host->twoticks_delay = ((2 * 1000000) / MIN_FREQ) + 1; - bcm_host->last_write = 0; + priv->twoticks_delay = ((2 * 1000000) / MIN_FREQ) + 1; + priv->last_write = 0; - host = &bcm_host->host; - host->name = "bcm2835_sdhci"; - host->ioaddr = (void *)(unsigned long)regbase; + host->name = dev->name; + host->ioaddr = (void *)base; host->quirks = SDHCI_QUIRK_BROKEN_VOLTAGE | SDHCI_QUIRK_BROKEN_R1B | SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_NO_HISPD_BIT; host->max_clk = emmc_freq; host->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; host->ops = &bcm2835_ops; - add_sdhci(host, 0, MIN_FREQ); + ret = sdhci_setup_cfg(&plat->cfg, host, emmc_freq, MIN_FREQ); + if (ret) { + debug("%s: Failed to setup SDHCI (err=%d)\n", __func__, ret); + return ret; + } + + upriv->mmc = &plat->mmc; + host->mmc = &plat->mmc; + host->mmc->priv = host; - return 0; + return sdhci_probe(dev); } + +static const struct udevice_id bcm2835_sdhci_match[] = { + { .compatible = "brcm,bcm2835-sdhci" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(sdhci_cdns) = { + .name = "sdhci-bcm2835", + .id = UCLASS_MMC, + .of_match = bcm2835_sdhci_match, + .bind = bcm2835_sdhci_bind, + .probe = bcm2835_sdhci_probe, + .priv_auto_alloc_size = sizeof(struct bcm2835_sdhci_host), + .platdata_auto_alloc_size = sizeof(struct bcm2835_sdhci_plat), + .ops = &sdhci_ops, +}; |