Add code to reset all reset signals as in mmc DT node. A reset property is an optional feature, so only print out a warning and do not fail if a reset property is not present.

If a reset property is discovered, then use it to deassert, thus bringing the IP out of reset.

Signed-off-by: Ley Foon Tan ley.foon.tan@intel.com --- drivers/mmc/socfpga_dw_mmc.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)

diff --git a/drivers/mmc/socfpga_dw_mmc.c b/drivers/mmc/socfpga_dw_mmc.c index d0a0362..4be4eb5 100644 --- a/drivers/mmc/socfpga_dw_mmc.c +++ b/drivers/mmc/socfpga_dw_mmc.c @@ -13,6 +13,7 @@ #include <linux/libfdt.h> #include <linux/err.h> #include <malloc.h> +#include <reset.h>

DECLARE_GLOBAL_DATA_PTR;

@@ -33,6 +34,20 @@ struct dwmci_socfpga_priv_data { unsigned int smplsel; };

+static void socfpga_dwmci_reset(struct udevice *dev) +{ + struct reset_ctl_bulk reset_bulk; + int ret; + + ret = reset_get_bulk(dev, &reset_bulk); + if (ret) { + dev_warn(dev, "Can't get reset: %d\n", ret); + return; + } + + reset_deassert_bulk(&reset_bulk); +} + static void socfpga_dwmci_clksel(struct dwmci_host *host) { struct dwmci_socfpga_priv_data *priv = host->priv; @@ -109,6 +124,8 @@ static int socfpga_dwmmc_probe(struct udevice *dev) struct dwmci_socfpga_priv_data *priv = dev_get_priv(dev); struct dwmci_host *host = &priv->host;

+ socfpga_dwmci_reset(dev); + #ifdef CONFIG_BLK dwmci_setup_cfg(&plat->cfg, host, host->bus_hz, 400000); host->mmc = &plat->mmc;

Add code to reset all reset signals as in serial DT node. A reset property is an optional feature, so do not fail if a reset property is not present.

If a reset property is discovered, then use it to deassert, thus bringing the IP out of reset.

Signed-off-by: Ley Foon Tan ley.foon.tan@intel.com Reviewed-by: Marek Vasut marex@denx.de --- drivers/serial/ns16550.c | 8 ++++++++ 1 file changed, 8 insertions(+)

diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 53550bf..9c80090 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -9,6 +9,7 @@ #include <dm.h> #include <errno.h> #include <ns16550.h> +#include <reset.h> #include <serial.h> #include <watchdog.h> #include <linux/types.h> @@ -177,6 +178,7 @@ void NS16550_init(NS16550_t com_port, int baud_divisor) #if defined(CONFIG_ARCH_OMAP2PLUS) serial_out(0x7, &com_port->mdr1); /* mode select reset TL16C750*/ #endif + serial_out(UART_MCRVAL, &com_port->mcr); serial_out(ns16550_getfcr(com_port), &com_port->fcr); if (baud_divisor != -1) @@ -370,6 +372,12 @@ static int ns16550_serial_setbrg(struct udevice *dev, int baudrate) int ns16550_serial_probe(struct udevice *dev) { struct NS16550 *const com_port = dev_get_priv(dev); + struct reset_ctl_bulk reset_bulk; + int ret; + + ret = reset_get_bulk(dev, &reset_bulk); + if (!ret) + reset_deassert_bulk(&reset_bulk);

com_port->plat = dev_get_platdata(dev); NS16550_init(com_port, -1);

Add code to reset all reset signals as in Ethernet DT node. A reset property is an optional feature, so only print out a warning and do not fail if a reset property is not present.

If a reset property is discovered, then use it to deassert, thus bringing the IP out of reset.

Signed-off-by: Ley Foon Tan ley.foon.tan@intel.com --- drivers/net/designware.c | 8 ++++++++ 1 file changed, 8 insertions(+)

diff --git a/drivers/net/designware.c b/drivers/net/designware.c index cf12521..6797691 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -15,6 +15,7 @@ #include <miiphy.h> #include <malloc.h> #include <pci.h> +#include <reset.h> #include <linux/compiler.h> #include <linux/err.h> #include <linux/kernel.h> @@ -664,6 +665,7 @@ int designware_eth_probe(struct udevice *dev) u32 iobase = pdata->iobase; ulong ioaddr; int ret; + struct reset_ctl_bulk reset_bulk; #ifdef CONFIG_CLK int i, err, clock_nb;

@@ -710,6 +712,12 @@ int designware_eth_probe(struct udevice *dev) } #endif

+ ret = reset_get_bulk(dev, &reset_bulk); + if (ret) + dev_warn(dev, "Can't get reset: %d\n", ret); + else + reset_deassert_bulk(&reset_bulk); + #ifdef CONFIG_DM_PCI /* * If we are on PCI bus, either directly attached to a PCI root port,