-static inline unsigned int omap_serial_in(struct plat_serial8250_port *up,
- int offset)
-{
- offset <<= up->regshift;
- return (unsigned int)__raw_readb(up->membase + offset);
-}
-
-static inline void omap_serial_outp(struct plat_serial8250_port *p, int offset,
- int value)
-{
- offset <<= p->regshift;
- __raw_writeb(value, p->membase + offset);
-}
-
-/*
- * Internal UARTs need to be initialized for the 8250 autoconfig to work
- * properly.
- */
-static void __init omap_serial_reset(struct plat_serial8250_port *p)
-{
- omap_serial_outp(p, UART_OMAP_MDR1, 0x07); /* disable UART */
- omap_serial_outp(p, UART_OMAP_MDR1, 0x00); /* enable UART */
-
- if (!cpu_is_omap1510()) {
- omap_serial_outp(p, UART_OMAP_SYSC, 0x01);
- while (!(omap_serial_in(p, UART_OMAP_SYSC) & 0x01));
- }
-}
-
-static struct plat_serial8250_port serial_platform_data[] = {
- {
- .membase = (char*)IO_ADDRESS(OMAP_UART1_BASE),
- .mapbase = (unsigned long)OMAP_UART1_BASE,
- .irq = INT_UART1,
- .flags = UPF_BOOT_AUTOCONF,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = OMAP16XX_BASE_BAUD * 16,
- },
- {
- .membase = (char*)IO_ADDRESS(OMAP_UART2_BASE),
- .mapbase = (unsigned long)OMAP_UART2_BASE,
- .irq = INT_UART2,
- .flags = UPF_BOOT_AUTOCONF,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = OMAP16XX_BASE_BAUD * 16,
- },
- {
- .membase = (char*)IO_ADDRESS(OMAP_UART3_BASE),
- .mapbase = (unsigned long)OMAP_UART3_BASE,
- .irq = INT_UART3,
- .flags = UPF_BOOT_AUTOCONF,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = OMAP16XX_BASE_BAUD * 16,
- },
- { },
-};
-
-static struct platform_device serial_device = {
- .name = "serial8250",
- .id = 0,
- .dev = {
- .platform_data = serial_platform_data,
- },
-};
-
-/*
- * Note that on Innovator-1510 UART2 pins conflict with USB2.
- * By default UART2 does not work on Innovator-1510 if you have
- * USB OHCI enabled. To use UART2, you must disable USB2 first.
- */
-void __init omap_serial_init(int ports[OMAP_MAX_NR_PORTS])
-{
- int i;
-
- if (cpu_is_omap730()) {
- serial_platform_data[0].regshift = 0;
- serial_platform_data[1].regshift = 0;
- serial_platform_data[0].irq = INT_730_UART_MODEM_1;
- serial_platform_data[1].irq = INT_730_UART_MODEM_IRDA_2;
- }
-
- if (cpu_is_omap1510()) {
- serial_platform_data[0].uartclk = OMAP1510_BASE_BAUD * 16;
- serial_platform_data[1].uartclk = OMAP1510_BASE_BAUD * 16;
- serial_platform_data[2].uartclk = OMAP1510_BASE_BAUD * 16;
- }
-
- for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
- unsigned char reg;
-
- if (ports[i] == 0) {
- serial_platform_data[i].membase = 0;
- serial_platform_data[i].mapbase = 0;
- continue;
- }
-
- switch (i) {
- case 0:
- if (cpu_is_omap1510()) {
- omap_cfg_reg(UART1_TX);
- omap_cfg_reg(UART1_RTS);
- if (machine_is_omap_innovator()) {
- reg = fpga_read(OMAP1510_FPGA_POWER);
- reg |= OMAP1510_FPGA_PCR_COM1_EN;
- fpga_write(reg, OMAP1510_FPGA_POWER);
- udelay(10);
- }
- }
- break;
- case 1:
- if (cpu_is_omap1510()) {
- omap_cfg_reg(UART2_TX);
- omap_cfg_reg(UART2_RTS);
- if (machine_is_omap_innovator()) {
- reg = fpga_read(OMAP1510_FPGA_POWER);
- reg |= OMAP1510_FPGA_PCR_COM2_EN;
- fpga_write(reg, OMAP1510_FPGA_POWER);
- udelay(10);
- }
- }
- break;
- case 2:
- if (cpu_is_omap1510()) {
- omap_cfg_reg(UART3_TX);
- omap_cfg_reg(UART3_RX);
- }
- break;
- }
- omap_serial_reset(&serial_platform_data[i]);
- }
-}
-
-static int __init omap_init(void)
-{
- return platform_device_register(&serial_device);
-}
-arch_initcall(omap_init);
-
-#define NO_LENGTH_CHECK 0xffffffff
-