41 	void __iomem *base;  member
49 static int pic32_serial_init(void __iomem *base, ulong clk, u32 baudrate)  in pic32_serial_init()  argument
54 	wait_for_bit_le32(base + U_STA, UART_TX_EMPTY,  in pic32_serial_init()
58 	writel(UART_TX_BRK, base + U_STASET);  in pic32_serial_init()
61 	writel(0, base + U_MOD);  in pic32_serial_init()
62 	writel(0, base + U_STA);  in pic32_serial_init()
65 	writel(div - 1, base + U_BRG);  in pic32_serial_init()
68 	writel(UART_TX_ENABLE | UART_RX_ENABLE, base + U_STASET);  in pic32_serial_init()
71 	writel(UART_ENABLE, base + U_MODSET);  in pic32_serial_init()
76 static int pic32_uart_pending_input(void __iomem *base)  in pic32_uart_pending_input()  argument
79 	if (readl(base + U_STA) & UART_RX_OVER) {  in pic32_uart_pending_input()
80 		readl(base + U_RXR);  in pic32_uart_pending_input()
83 		writel(UART_RX_OVER, base + U_STACLR);  in pic32_uart_pending_input()
89 	return readl(base + U_STA) & UART_RX_DATA_AVAIL;  in pic32_uart_pending_input()
97 		return pic32_uart_pending_input(priv->base);  in pic32_uart_pending()
99 	return !(readl(priv->base + U_STA) & UART_TX_EMPTY);  in pic32_uart_pending()
106 	return pic32_serial_init(priv->base, priv->uartclk, baudrate);  in pic32_uart_setbrg()
114 	if (readl(priv->base + U_STA) & UART_TX_FULL)  in pic32_uart_putc()
118 	writel(ch, priv->base + U_TXR);  in pic32_uart_putc()
128 	if (!pic32_uart_pending_input(priv->base))  in pic32_uart_getc()
132 	return readl(priv->base + U_RXR) & 0xff;  in pic32_uart_getc()
149 	priv->base = ioremap(addr, size);  in pic32_uart_probe()
159 	return pic32_serial_init(priv->base, priv->uartclk, CONFIG_BAUDRATE);  in pic32_uart_probe()
189 	void __iomem *base = (void __iomem *)CONFIG_DEBUG_UART_BASE;  in _debug_uart_init()  local
191 	pic32_serial_init(base, CONFIG_DEBUG_UART_CLOCK, CONFIG_BAUDRATE);  in _debug_uart_init()