#ifdef CONFIG_DM_SERIAL
-static inline void serial_out_shift(unsigned char *addr, int shift, int value)
+#ifndef CONFIG_SYS_NS16550_CLK
+#define CONFIG_SYS_NS16550_CLK 0
+#endif
+
+static inline void serial_out_shift(void *addr, int shift, int value)
{
#ifdef CONFIG_SYS_NS16550_PORT_MAPPED
outb(value, (ulong)addr);
out_le32(addr, value);
#elif defined(CONFIG_SYS_NS16550_MEM32) && defined(CONFIG_SYS_BIG_ENDIAN)
out_be32(addr, value);
+#elif defined(CONFIG_SYS_NS16550_MEM32)
+ writel(value, addr);
#elif defined(CONFIG_SYS_BIG_ENDIAN)
writeb(value, addr + (1 << shift) - 1);
#else
#endif
}
-static inline int serial_in_shift(unsigned char *addr, int shift)
+static inline int serial_in_shift(void *addr, int shift)
{
#ifdef CONFIG_SYS_NS16550_PORT_MAPPED
return inb((ulong)addr);
return in_le32(addr);
#elif defined(CONFIG_SYS_NS16550_MEM32) && defined(CONFIG_SYS_BIG_ENDIAN)
return in_be32(addr);
+#elif defined(CONFIG_SYS_NS16550_MEM32)
+ return readl(addr);
#elif defined(CONFIG_SYS_BIG_ENDIAN)
return readb(addr + (1 << shift) - 1);
#else
unsigned char *addr;
offset *= 1 << plat->reg_shift;
- addr = map_sysmem(plat->base, 0) + offset;
+ addr = map_physmem(plat->base, 0, MAP_NOCACHE) + offset;
/*
* As far as we know it doesn't make sense to support selection of
* these options at run-time, so use the existing CONFIG options.
unsigned char *addr;
offset *= 1 << plat->reg_shift;
- addr = map_sysmem(plat->base, 0) + offset;
+ addr = map_physmem(plat->base, 0, MAP_NOCACHE) + offset;
return serial_in_shift(addr, plat->reg_shift);
}
/* We can clean these up once everything is moved to driver model */
#define serial_out(value, addr) \
- ns16550_writeb(com_port, addr - (unsigned char *)com_port, value)
+ ns16550_writeb(com_port, \
+ (unsigned char *)addr - (unsigned char *)com_port, value)
#define serial_in(addr) \
- ns16550_readb(com_port, addr - (unsigned char *)com_port)
+ ns16550_readb(com_port, \
+ (unsigned char *)addr - (unsigned char *)com_port)
#endif
static inline int calc_divisor(NS16550_t port, int clock, int baudrate)
defined(CONFIG_TI81XX) || defined(CONFIG_AM43XX)
serial_out(0x7, &com_port->mdr1); /* mode select reset TL16C750*/
#endif
- NS16550_setbrg(com_port, 0);
serial_out(UART_MCRVAL, &com_port->mcr);
serial_out(UART_FCRVAL, &com_port->fcr);
if (baud_divisor != -1)
#include <debug_uart.h>
-void debug_uart_init(void)
+#define serial_dout(reg, value) \
+ serial_out_shift((char *)com_port + \
+ ((char *)reg - (char *)com_port) * \
+ (1 << CONFIG_DEBUG_UART_SHIFT), \
+ CONFIG_DEBUG_UART_SHIFT, value)
+#define serial_din(reg) \
+ serial_in_shift((char *)com_port + \
+ ((char *)reg - (char *)com_port) * \
+ (1 << CONFIG_DEBUG_UART_SHIFT), \
+ CONFIG_DEBUG_UART_SHIFT)
+
+static inline void _debug_uart_init(void)
{
struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE;
int baud_divisor;
*/
baud_divisor = calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK,
CONFIG_BAUDRATE);
-
- serial_out_shift(&com_port->ier, 0, CONFIG_SYS_NS16550_IER);
- serial_out_shift(&com_port->mcr, 0, UART_MCRVAL);
- serial_out_shift(&com_port->fcr, 0, UART_FCRVAL);
-
- serial_out_shift(&com_port->lcr, 0, UART_LCR_BKSE | UART_LCRVAL);
- serial_out_shift(&com_port->dll, 0, baud_divisor & 0xff);
- serial_out_shift(&com_port->dlm, 0, (baud_divisor >> 8) & 0xff);
- serial_out_shift(&com_port->lcr, 0, UART_LCRVAL);
+ serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER);
+ serial_dout(&com_port->mcr, UART_MCRVAL);
+ serial_dout(&com_port->fcr, UART_FCRVAL);
+
+ serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL);
+ serial_dout(&com_port->dll, baud_divisor & 0xff);
+ serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff);
+ serial_dout(&com_port->lcr, UART_LCRVAL);
}
static inline void _debug_uart_putc(int ch)
{
struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE;
- while (!(serial_in_shift(&com_port->lsr, 0) & UART_LSR_THRE))
+ while (!(serial_din(&com_port->lsr) & UART_LSR_THRE))
;
- serial_out_shift(&com_port->thr, 0, ch);
+ serial_dout(&com_port->thr, ch);
}
DEBUG_UART_FUNCS
return 0;
}
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
{
struct ns16550_platdata *plat = dev->platdata;
fdt_addr_t addr;
/* try Processor Local Bus device first */
- addr = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
-#ifdef CONFIG_PCI
+ addr = dev_get_addr(dev);
+#if defined(CONFIG_PCI) && defined(CONFIG_DM_PCI)
if (addr == FDT_ADDR_T_NONE) {
/* then try pci device */
struct fdt_pci_addr pci_addr;
return ret;
}
- ret = fdtdec_get_pci_bar32(gd->fdt_blob, dev->of_offset,
- &pci_addr, &bar);
+ ret = fdtdec_get_pci_bar32(dev, &pci_addr, &bar);
if (ret)
return ret;
plat->base = addr;
plat->reg_shift = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
- "reg-shift", 1);
+ "reg-shift", 0);
+ plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "clock-frequency",
+ CONFIG_SYS_NS16550_CLK);
+ if (!plat->clock) {
+ debug("ns16550 clock not defined\n");
+ return -EINVAL;
+ }
return 0;
}
.getc = ns16550_serial_getc,
.setbrg = ns16550_serial_setbrg,
};
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+/*
+ * Please consider existing compatible strings before adding a new
+ * one to keep this table compact. Or you may add a generic "ns16550"
+ * compatible string to your dts.
+ */
+static const struct udevice_id ns16550_serial_ids[] = {
+ { .compatible = "ns16550" },
+ { .compatible = "ns16550a" },
+ { .compatible = "nvidia,tegra20-uart" },
+ { .compatible = "snps,dw-apb-uart" },
+ { .compatible = "ti,omap2-uart" },
+ { .compatible = "ti,omap3-uart" },
+ { .compatible = "ti,omap4-uart" },
+ { .compatible = "ti,am3352-uart" },
+ { .compatible = "ti,am4372-uart" },
+ { .compatible = "ti,dra742-uart" },
+ {}
+};
+#endif
+
+#if CONFIG_IS_ENABLED(SERIAL_PRESENT)
+U_BOOT_DRIVER(ns16550_serial) = {
+ .name = "ns16550_serial",
+ .id = UCLASS_SERIAL,
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+ .of_match = ns16550_serial_ids,
+ .ofdata_to_platdata = ns16550_serial_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
+#endif
+ .priv_auto_alloc_size = sizeof(struct NS16550),
+ .probe = ns16550_serial_probe,
+ .ops = &ns16550_serial_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};
+#endif
#endif /* CONFIG_DM_SERIAL */