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author | Tom Rini <trini@konsulko.com> | 2019-04-26 13:50:00 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2019-04-26 13:50:00 -0400 |
commit | 07b68b7843ad1fa15d63dcd26b5ca5a053fcc27f (patch) | |
tree | f9b57804a3f3c57efcb5a17c836396b3b04dbf5f /drivers | |
parent | 1c64692df20c1f491ea79de3a732428611bb0ba0 (diff) | |
parent | b684d4031b38b6b6a9e22676c7c6e2770e767cc7 (diff) | |
download | u-boot-07b68b7843ad1fa15d63dcd26b5ca5a053fcc27f.tar.gz |
Merge git://git.denx.de/u-boot-marvell
- Add DM based generic watchdog start and reset implementation
and remove all ad-hoc implementations (Stefan)
- Move mv_sdhci to DM (Pierre)
- Misc turris_omnia updates (Pierre)
- Change openrd targets to correctly build again (size changes
and fixes to the dts targets) and bring it back into Travis
builds (Stefan)
- Add Kirkwood db-88f6281-bp board (Chris)
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mmc/mv_sdhci.c | 67 | ||||
-rw-r--r-- | drivers/watchdog/Kconfig | 2 | ||||
-rw-r--r-- | drivers/watchdog/Makefile | 2 | ||||
-rw-r--r-- | drivers/watchdog/at91sam9_wdt.c | 8 | ||||
-rw-r--r-- | drivers/watchdog/cdns_wdt.c | 15 | ||||
-rw-r--r-- | drivers/watchdog/mpc8xx_wdt.c | 4 | ||||
-rw-r--r-- | drivers/watchdog/wdt-uclass.c | 26 |
7 files changed, 101 insertions, 23 deletions
diff --git a/drivers/mmc/mv_sdhci.c b/drivers/mmc/mv_sdhci.c index de4ae0a0e7..bf26d2e4e2 100644 --- a/drivers/mmc/mv_sdhci.c +++ b/drivers/mmc/mv_sdhci.c @@ -4,10 +4,13 @@ */ #include <common.h> +#include <dm.h> #include <malloc.h> #include <sdhci.h> #include <linux/mbus.h> +#define MVSDH_NAME "mv_sdh" + #define SDHCI_WINDOW_CTRL(win) (0x4080 + ((win) << 4)) #define SDHCI_WINDOW_BASE(win) (0x4084 + ((win) << 4)) @@ -36,6 +39,8 @@ static void sdhci_mvebu_mbus_config(void __iomem *base) } } +#ifndef CONFIG_DM_MMC + #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS static struct sdhci_ops mv_ops; @@ -63,7 +68,6 @@ static inline void mv_sdhci_writeb(struct sdhci_host *host, u8 val, int reg) #endif /* CONFIG_SHEEVA_88SV331xV5 */ #endif /* CONFIG_MMC_SDHCI_IO_ACCESSORS */ -static char *MVSDH_NAME = "mv_sdh"; int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks) { struct sdhci_host *host = NULL; @@ -90,3 +94,64 @@ int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks) return add_sdhci(host, 0, min_clk); } + +#else + +DECLARE_GLOBAL_DATA_PTR; + +struct mv_sdhci_plat { + struct mmc_config cfg; + struct mmc mmc; +}; + +static int mv_sdhci_probe(struct udevice *dev) +{ + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct mv_sdhci_plat *plat = dev_get_platdata(dev); + struct sdhci_host *host = dev_get_priv(dev); + int ret; + + host->name = MVSDH_NAME; + host->ioaddr = (void *)devfdt_get_addr(dev); + host->quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_WAIT_SEND_CMD; + + ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0); + if (ret) + return ret; + + if (CONFIG_IS_ENABLED(ARCH_MVEBU)) { + /* Configure SDHCI MBUS mbus bridge windows */ + sdhci_mvebu_mbus_config(host->ioaddr); + } + + host->mmc = &plat->mmc; + host->mmc->dev = dev; + host->mmc->priv = host; + upriv->mmc = host->mmc; + + return sdhci_probe(dev); +} + +static int mv_sdhci_bind(struct udevice *dev) +{ + struct mv_sdhci_plat *plat = dev_get_platdata(dev); + + return sdhci_bind(dev, &plat->mmc, &plat->cfg); +} + +static const struct udevice_id mv_sdhci_ids[] = { + { .compatible = "marvell,armada-380-sdhci" }, + { } +}; + +U_BOOT_DRIVER(mv_sdhci_drv) = { + .name = MVSDH_NAME, + .id = UCLASS_MMC, + .of_match = mv_sdhci_ids, + .bind = mv_sdhci_bind, + .probe = mv_sdhci_probe, + .ops = &sdhci_ops, + .priv_auto_alloc_size = sizeof(struct sdhci_host), + .platdata_auto_alloc_size = sizeof(struct mv_sdhci_plat), +}; +#endif /* CONFIG_DM_MMC */ diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 9d7f503b69..3bce0aa0b8 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -51,6 +51,7 @@ config ULP_WATCHDOG config WDT bool "Enable driver model for watchdog timer drivers" depends on DM + imply WATCHDOG help Enable driver model for watchdog timer. At the moment the API is very simple and only supports four operations: @@ -150,7 +151,6 @@ config WDT_MT7621 config WDT_MPC8xx bool "MPC8xx watchdog timer support" depends on WDT && MPC8xx - select CONFIG_MPC8xx_WATCHDOG help Select this to enable mpc8xx watchdog timer diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index d901240ad1..40b2f4bc66 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -24,6 +24,6 @@ obj-$(CONFIG_WDT_BCM6345) += bcm6345_wdt.o obj-$(CONFIG_BCM2835_WDT) += bcm2835_wdt.o obj-$(CONFIG_WDT_ORION) += orion_wdt.o obj-$(CONFIG_WDT_CDNS) += cdns_wdt.o -obj-$(CONFIG_MPC8xx_WATCHDOG) += mpc8xx_wdt.o +obj-$(CONFIG_WDT_MPC8xx) += mpc8xx_wdt.o obj-$(CONFIG_WDT_MT7621) += mt7621_wdt.o obj-$(CONFIG_WDT_MTK) += mtk_wdt.o diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c index 000769d46d..48433cc158 100644 --- a/drivers/watchdog/at91sam9_wdt.c +++ b/drivers/watchdog/at91sam9_wdt.c @@ -107,14 +107,6 @@ static int at91_wdt_probe(struct udevice *dev) if (!priv->regs) return -EINVAL; -#if CONFIG_IS_ENABLED(OF_CONTROL) - priv->timeout = dev_read_u32_default(dev, "timeout-sec", - WDT_DEFAULT_TIMEOUT); - debug("%s: timeout %d", __func__, priv->timeout); -#else - priv->timeout = WDT_DEFAULT_TIMEOUT; -#endif - debug("%s: Probing wdt%u\n", __func__, dev->seq); return 0; diff --git a/drivers/watchdog/cdns_wdt.c b/drivers/watchdog/cdns_wdt.c index fc85fbcec2..6a608b6371 100644 --- a/drivers/watchdog/cdns_wdt.c +++ b/drivers/watchdog/cdns_wdt.c @@ -10,6 +10,7 @@ #include <dm.h> #include <wdt.h> #include <clk.h> +#include <div64.h> #include <linux/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -23,7 +24,6 @@ struct cdns_regs { struct cdns_wdt_priv { bool rst; - u32 timeout; struct cdns_regs *regs; }; @@ -142,10 +142,10 @@ static int cdns_wdt_start(struct udevice *dev, u64 timeout, ulong flags) return -1; } - if ((timeout < CDNS_WDT_MIN_TIMEOUT) || - (timeout > CDNS_WDT_MAX_TIMEOUT)) { - timeout = priv->timeout; - } + /* Calculate timeout in seconds and restrict to min and max value */ + do_div(timeout, 1000); + timeout = max_t(u64, timeout, CDNS_WDT_MIN_TIMEOUT); + timeout = min_t(u64, timeout, CDNS_WDT_MAX_TIMEOUT); debug("%s: CLK_FREQ %ld, timeout %lld\n", __func__, clk_f, timeout); @@ -235,12 +235,9 @@ static int cdns_wdt_ofdata_to_platdata(struct udevice *dev) if (IS_ERR(priv->regs)) return PTR_ERR(priv->regs); - priv->timeout = dev_read_u32_default(dev, "timeout-sec", - CDNS_WDT_DEFAULT_TIMEOUT); - priv->rst = dev_read_bool(dev, "reset-on-timeout"); - debug("%s: timeout %d, reset %d\n", __func__, priv->timeout, priv->rst); + debug("%s: reset %d\n", __func__, priv->rst); return 0; } diff --git a/drivers/watchdog/mpc8xx_wdt.c b/drivers/watchdog/mpc8xx_wdt.c index c24c2a9da6..675b62d8b3 100644 --- a/drivers/watchdog/mpc8xx_wdt.c +++ b/drivers/watchdog/mpc8xx_wdt.c @@ -10,7 +10,7 @@ #include <asm/cpm_8xx.h> #include <asm/io.h> -void hw_watchdog_reset(void) +static void hw_watchdog_reset(void) { immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; @@ -18,7 +18,6 @@ void hw_watchdog_reset(void) out_be16(&immap->im_siu_conf.sc_swsr, 0xaa39); /* write magic2 */ } -#ifdef CONFIG_WDT_MPC8xx static int mpc8xx_wdt_start(struct udevice *dev, u64 timeout, ulong flags) { immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; @@ -66,4 +65,3 @@ U_BOOT_DRIVER(wdt_mpc8xx) = { .of_match = mpc8xx_wdt_ids, .ops = &mpc8xx_wdt_ops, }; -#endif /* CONFIG_WDT_MPC8xx */ diff --git a/drivers/watchdog/wdt-uclass.c b/drivers/watchdog/wdt-uclass.c index 23b7e3360d..bbfac4f0f9 100644 --- a/drivers/watchdog/wdt-uclass.c +++ b/drivers/watchdog/wdt-uclass.c @@ -10,6 +10,8 @@ #include <dm/device-internal.h> #include <dm/lists.h> +DECLARE_GLOBAL_DATA_PTR; + int wdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) { const struct wdt_ops *ops = device_get_ops(dev); @@ -63,6 +65,30 @@ int wdt_expire_now(struct udevice *dev, ulong flags) return ret; } +#if defined(CONFIG_WATCHDOG) +/* + * Called by macro WATCHDOG_RESET. This function be called *very* early, + * so we need to make sure, that the watchdog driver is ready before using + * it in this function. + */ +void watchdog_reset(void) +{ + static ulong next_reset; + ulong now; + + /* Exit if GD is not ready or watchdog is not initialized yet */ + if (!gd || !(gd->flags & GD_FLG_WDT_READY)) + return; + + /* Do not reset the watchdog too often */ + now = get_timer(0); + if (now > next_reset) { + next_reset = now + 1000; /* reset every 1000ms */ + wdt_reset(gd->watchdog_dev); + } +} +#endif + static int wdt_post_bind(struct udevice *dev) { #if defined(CONFIG_NEEDS_MANUAL_RELOC) |