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author | Tom Rini <trini@konsulko.com> | 2024-02-05 09:31:48 -0500 |
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committer | Tom Rini <trini@konsulko.com> | 2024-02-05 09:31:48 -0500 |
commit | 090d8463b07c9c48f76f3cd14cf0e4bb8f884825 (patch) | |
tree | 37dba40481cf3af41ceeeeccfbebf3b3d6b3f99f /drivers | |
parent | 819abd0a1eaff9a921f5b917e152b85dab302e33 (diff) | |
parent | 12d479d01849c164020e17c3ae921f974b96372d (diff) | |
download | u-boot-090d8463b07c9c48f76f3cd14cf0e4bb8f884825.zip u-boot-090d8463b07c9c48f76f3cd14cf0e4bb8f884825.tar.gz u-boot-090d8463b07c9c48f76f3cd14cf0e4bb8f884825.tar.bz2 |
Merge tag 'rpi-next-2024.04' of https://source.denx.de/u-boot/custodians/u-boot-raspberrypi
Add RaspberryPi5 basic support.
Acked-by: Peter Robinson <pbrobinson@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mmc/bcmstb_sdhci.c | 64 | ||||
-rw-r--r-- | drivers/video/bcm2835.c | 18 |
2 files changed, 76 insertions, 6 deletions
diff --git a/drivers/mmc/bcmstb_sdhci.c b/drivers/mmc/bcmstb_sdhci.c index dc96818..49846ad 100644 --- a/drivers/mmc/bcmstb_sdhci.c +++ b/drivers/mmc/bcmstb_sdhci.c @@ -38,15 +38,52 @@ */ #define BCMSTB_SDHCI_MINIMUM_CLOCK_FREQUENCY 400000 -/* - * This driver has only been tested with eMMC devices; SD devices may - * not work. - */ +#define SDIO_CFG_CTRL 0x0 +#define SDIO_CFG_CTRL_SDCD_N_TEST_EN BIT(31) +#define SDIO_CFG_CTRL_SDCD_N_TEST_LEV BIT(30) + +#define SDIO_CFG_SD_PIN_SEL 0x44 +#define SDIO_CFG_SD_PIN_SEL_MASK 0x3 +#define SDIO_CFG_SD_PIN_SEL_CARD BIT(1) + struct sdhci_bcmstb_plat { struct mmc_config cfg; struct mmc mmc; }; +struct sdhci_brcmstb_dev_priv { + int (*init)(struct udevice *dev); +}; + +static int sdhci_brcmstb_init_2712(struct udevice *dev) +{ + struct sdhci_host *host = dev_get_priv(dev); + void *cfg_regs; + u32 reg; + + /* Map in the non-standard CFG registers */ + cfg_regs = dev_remap_addr_name(dev, "cfg"); + if (!cfg_regs) + return -ENOENT; + + if ((host->mmc->host_caps & MMC_CAP_NONREMOVABLE) || + (host->mmc->host_caps & MMC_CAP_NEEDS_POLL)) { + /* Force presence */ + reg = readl(cfg_regs + SDIO_CFG_CTRL); + reg &= ~SDIO_CFG_CTRL_SDCD_N_TEST_LEV; + reg |= SDIO_CFG_CTRL_SDCD_N_TEST_EN; + writel(reg, cfg_regs + SDIO_CFG_CTRL); + } else { + /* Enable card detection line */ + reg = readl(cfg_regs + SDIO_CFG_SD_PIN_SEL); + reg &= ~SDIO_CFG_SD_PIN_SEL_MASK; + reg |= SDIO_CFG_SD_PIN_SEL_CARD; + writel(reg, cfg_regs + SDIO_CFG_SD_PIN_SEL); + } + + return 0; +} + static int sdhci_bcmstb_bind(struct udevice *dev) { struct sdhci_bcmstb_plat *plat = dev_get_plat(dev); @@ -54,14 +91,20 @@ static int sdhci_bcmstb_bind(struct udevice *dev) return sdhci_bind(dev, &plat->mmc, &plat->cfg); } +/* No specific SDHCI operations are required */ +static const struct sdhci_ops bcmstb_sdhci_ops = { 0 }; + static int sdhci_bcmstb_probe(struct udevice *dev) { struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); struct sdhci_bcmstb_plat *plat = dev_get_plat(dev); struct sdhci_host *host = dev_get_priv(dev); + struct sdhci_brcmstb_dev_priv *dev_priv; fdt_addr_t base; int ret; + dev_priv = (struct sdhci_brcmstb_dev_priv *)dev_get_driver_data(dev); + base = dev_read_addr(dev); if (base == FDT_ADDR_T_NONE) return -EINVAL; @@ -75,6 +118,8 @@ static int sdhci_bcmstb_probe(struct udevice *dev) host->mmc = &plat->mmc; host->mmc->dev = dev; + host->ops = &bcmstb_sdhci_ops; + ret = sdhci_setup_cfg(&plat->cfg, host, BCMSTB_SDHCI_MAXIMUM_CLOCK_FREQUENCY, BCMSTB_SDHCI_MINIMUM_CLOCK_FREQUENCY); @@ -84,10 +129,21 @@ static int sdhci_bcmstb_probe(struct udevice *dev) upriv->mmc = &plat->mmc; host->mmc->priv = host; + if (dev_priv && dev_priv->init) { + ret = dev_priv->init(dev); + if (ret) + return ret; + } + return sdhci_probe(dev); } +static const struct sdhci_brcmstb_dev_priv match_priv_2712 = { + .init = sdhci_brcmstb_init_2712, +}; + static const struct udevice_id sdhci_bcmstb_match[] = { + { .compatible = "brcm,bcm2712-sdhci", .data = (ulong)&match_priv_2712 }, { .compatible = "brcm,bcm7425-sdhci" }, { .compatible = "brcm,sdhci-brcmstb" }, { } diff --git a/drivers/video/bcm2835.c b/drivers/video/bcm2835.c index 1494252..63efa76 100644 --- a/drivers/video/bcm2835.c +++ b/drivers/video/bcm2835.c @@ -16,7 +16,7 @@ static int bcm2835_video_probe(struct udevice *dev) struct video_uc_plat *plat = dev_get_uclass_plat(dev); struct video_priv *uc_priv = dev_get_uclass_priv(dev); int ret; - int w, h, pitch; + int w, h, pitch, bpp; ulong fb_base, fb_size, fb_start, fb_end; debug("bcm2835: Query resolution...\n"); @@ -41,9 +41,23 @@ static int bcm2835_video_probe(struct udevice *dev) DCACHE_WRITEBACK); video_set_flush_dcache(dev, true); + bpp = pitch / w; + switch (bpp) { + case 2: + uc_priv->bpix = VIDEO_BPP16; + break; + case 4: + uc_priv->bpix = VIDEO_BPP32; + break; + default: + printf("bcm2835: unexpected bpp %d, pitch %d, width %d\n", + bpp, pitch, w); + uc_priv->bpix = VIDEO_BPP32; + break; + } + uc_priv->xsize = w; uc_priv->ysize = h; - uc_priv->bpix = VIDEO_BPP32; plat->base = fb_base; plat->size = fb_size; |