void __init
mpc83xx_early_serial_map(void)
{
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
struct uart_port serial_req;
#endif
struct plat_serial8250_port *pdata;
bd_t *binfo = (bd_t *) __res;
pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(MPC83xx_DUART);
/* Setup serial port access */
pdata[0].uartclk = binfo->bi_busfreq;
pdata[0].mapbase += binfo->bi_immr_base;
pdata[0].membase = ioremap(pdata[0].mapbase, 0x100);
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
memset(&serial_req, 0, sizeof (serial_req));
serial_req.iotype = SERIAL_IO_MEM;
serial_req.mapbase = pdata[0].mapbase;
serial_req.membase = pdata[0].membase;
serial_req.regshift = 0;
serial_req.uartclk = pdata[0].uartclk;
serial_req.irq = pdata[0].irq;
serial_req.line = pdata[0].line;
serial_req.flags = pdata[0].flags;
if (early_serial_setup(&serial_req) != 0)
printk("Early serial init of port 0 failed\n");
#if defined(CONFIG_SERIAL_TEXT_DEBUG)
gen550_init(0, &serial_req);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &serial_req);
#endif
#endif
pdata[1].uartclk = binfo->bi_busfreq;
pdata[1].mapbase += binfo->bi_immr_base;
pdata[1].membase = ioremap(pdata[1].mapbase, 0x100);
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
/* Assume gen550_init() doesn't modify serial_req */
serial_req.mapbase = pdata[1].mapbase;
serial_req.membase = pdata[1].membase;
serial_req.line = pdata[1].line;
if (early_serial_setup(&serial_req) != 0)
printk("Early serial init of port 1 failed\n");
#if defined(CONFIG_SERIAL_TEXT_DEBUG)
gen550_init(1, &serial_req);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(1, &serial_req);
#endif
#endif
}
static void __init
ebony_early_serial_map(void)
{
struct uart_port port;
/* Setup ioremapped serial port access */
memset(&port, 0, sizeof(port));
port.membase = ioremap64(PPC440GP_UART0_ADDR, 8);
port.irq = 0;
port.uartclk = clocks.uart0;
port.regshift = 0;
port.iotype = SERIAL_IO_MEM;
port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
port.line = 0;
#ifdef CONFIG_SERIAL_8250
if (early_serial_setup(&port) != 0)
printk("Early serial init of port 0 failed\n");
#endif
#ifdef CONFIG_SERIAL_TEXT_DEBUG
/* Configure debug serial access */
gen550_init(0, &port);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &port);
#endif
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB_8250)
/* Purge TLB entry added in head_44x.S for early serial access */
_tlbie(UART0_IO_BASE);
#endif
port.membase = ioremap64(PPC440GP_UART1_ADDR, 8);
port.irq = 1;
port.uartclk = clocks.uart1;
port.line = 1;
#ifdef CONFIG_SERIAL_8250
if (early_serial_setup(&port) != 1)
printk("Early serial init of port 1 failed\n");
#endif
#ifdef CONFIG_SERIAL_TEXT_DEBUG
/* Configure debug serial access */
gen550_init(1, &port);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(1, &port);
#endif
}
static void __init ixdp2x01_map_io(void)
{
ixp2000_map_io();
iotable_init(&ixdp2x01_io_desc, 1);
early_serial_setup(&ixdp2x01_serial_ports[0]);
early_serial_setup(&ixdp2x01_serial_ports[1]);
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &ixdp2x01_serial_ports[0]);
kgdb8250_add_port(1, &ixdp2x01_serial_ports[1]);
#endif
}
static void __init
luan_early_serial_map(void)
{
struct uart_port port;
/* Setup ioremapped serial port access */
memset(&port, 0, sizeof(port));
port.membase = ioremap64(PPC440SP_UART0_ADDR, 8);
port.irq = UART0_INT;
port.uartclk = clocks.uart0;
port.regshift = 0;
port.iotype = SERIAL_IO_MEM;
port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
port.line = 0;
if (early_serial_setup(&port) != 0) {
printk("Early serial init of port 0 failed\n");
}
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &port);
#endif
port.membase = ioremap64(PPC440SP_UART1_ADDR, 8);
port.irq = UART1_INT;
port.uartclk = clocks.uart1;
port.line = 1;
if (early_serial_setup(&port) != 0) {
printk("Early serial init of port 1 failed\n");
}
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(1, &port);
#endif
/* Enable UART2 */
SDR_WRITE(DCRN_SDR_PFC1, SDR_READ(DCRN_SDR_PFC1) | 0x01000000);
port.membase = ioremap64(PPC440SP_UART2_ADDR, 8);
port.irq = UART2_INT;
port.uartclk = clocks.uart2;
port.line = 2;
if (early_serial_setup(&port) != 0) {
printk("Early serial init of port 2 failed\n");
}
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(2, &port);
#endif
}
static void __init ixdp425_init(void)
{
ixp4xx_sys_init();
ixdp425_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
ixdp425_flash_resource.end =
IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &ixdp425_serial_ports[0]);
kgdb8250_add_port(1, &ixdp425_serial_ports[1]);
#endif
}
void __init ixp2000_uart_init(void)
{
platform_device_register(&ixp2000_serial_device);
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &ixp2000_serial_port);
#endif
}
void __init ixp2000_map_io(void)
{
extern unsigned int processor_id;
/*
* On IXP2400 CPUs we need to use MT_IXP2000_DEVICE for
* tweaking the PMDs so XCB=101. On IXP2800s we use the normal
* PMD flags.
*/
if ((processor_id & 0xfffffff0) == 0x69054190) {
int i;
printk(KERN_INFO "Enabling IXP2400 erratum #66 workaround\n");
for(i=0;i<ARRAY_SIZE(ixp2000_io_desc);i++)
ixp2000_io_desc[i].type = MT_IXP2000_DEVICE;
}
iotable_init(ixp2000_io_desc, ARRAY_SIZE(ixp2000_io_desc));
early_serial_setup(&ixp2000_serial_port);
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &ixp2000_serial_port);
#endif
/* Set slowport to 8-bit mode. */
ixp2000_reg_write(IXP2000_SLOWPORT_FRM, 1);
}
/* The serial clock for the chip is an internal clock determined by
* different clock speeds/dividers.
* Calculate the proper input baud rate and setup the serial driver.
*/
static void __init
bubinga_early_serial_map(void)
{
u32 uart_div;
int uart_clock;
struct uart_port port;
/* Calculate the serial clock input frequency
*
* The base baud is the PLL OUTA (provided in the board info
* structure) divided by the external UART Divisor, divided
* by 16.
*/
uart_div = (mfdcr(DCRN_CPC0_UCR_BASE) & DCRN_CPC0_UCR_U0DIV);
uart_clock = __res.bi_procfreq / uart_div;
/* Setup serial port access */
memset(&port, 0, sizeof(port));
port.membase = (void*)ACTING_UART0_IO_BASE;
port.irq = ACTING_UART0_INT;
port.uartclk = uart_clock;
port.regshift = 0;
port.iotype = UPIO_MEM;
port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
port.line = 0;
#ifdef CONFIG_SERIAL_8250
if (early_serial_setup(&port) != 0)
printk("Early serial init of port 0 failed\n");
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &port);
#endif
port.membase = (void*)ACTING_UART1_IO_BASE;
port.irq = ACTING_UART1_INT;
port.line = 1;
#ifdef CONFIG_SERIAL_8250
if (early_serial_setup(&port) != 0)
printk("Early serial init of port 1 failed\n");
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(1, &port);
#endif
}
static void __init
yosemite_early_serial_map(void)
{
struct uart_port port;
/* Setup ioremapped serial port access */
memset(&port, 0, sizeof(port));
port.mapbase = PPC440EP_UART0_ADDR;
port.membase = ioremap64(PPC440EP_UART0_ADDR, 8);
port.irq = 0;
port.uartclk = clocks.uart0;
port.regshift = 0;
port.iotype = SERIAL_IO_MEM;
port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
port.line = 0;
if (early_serial_setup(&port) != 0) {
printk("Early serial init of port 0 failed\n");
}
#if defined(CONFIG_SERIAL_TEXT_DEBUG)
/* Configure debug serial access */
gen550_init(0, &port);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &port);
#endif
port.mapbase = PPC440EP_UART1_ADDR;
port.membase = ioremap64(PPC440EP_UART1_ADDR, 8);
port.irq = 1;
port.uartclk = clocks.uart1;
port.line = 1;
if (early_serial_setup(&port) != 0) {
printk("Early serial init of port 1 failed\n");
}
#if defined(CONFIG_SERIAL_TEXT_DEBUG)
/* Configure debug serial access */
gen550_init(1, &port);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(1, &port);
#endif
}
static void __init ixdp425_init(void)
{
ixp4xx_sys_init();
/*
* IXP465 has 32MB window
*/
if (machine_is_ixdp465()) {
ixdp425_flash_resource.end += IXDP425_FLASH_SIZE;
}
platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &ixdp425_serial_ports[0]);
kgdb8250_add_port(1, &ixdp425_serial_ports[1]);
#endif
}
static void __init
sbc8560_early_serial_map(void)
{
struct uart_port uart_req;
/* Setup serial port access */
memset(&uart_req, 0, sizeof (uart_req));
uart_req.irq = MPC85xx_IRQ_EXT9;
uart_req.flags = STD_COM_FLAGS;
uart_req.uartclk = BASE_BAUD * 16;
uart_req.iotype = UPIO_MEM;
uart_req.mapbase = UARTA_ADDR;
uart_req.membase = ioremap(uart_req.mapbase, MPC85xx_UART0_SIZE);
uart_req.type = PORT_16650;
#ifdef CONFIG_SERIAL_8250
if (early_serial_setup(&uart_req) != 0)
printk("Early serial init of port 0 failed\n");
#endif
#ifdef CONFIG_SERIAL_TEXT_DEBUG
gen550_init(0, &uart_req);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &uart_req);
#endif
/* Assume early_serial_setup() doesn't modify uart_req */
uart_req.line = 1;
uart_req.mapbase = UARTB_ADDR;
uart_req.membase = ioremap(uart_req.mapbase, MPC85xx_UART1_SIZE);
uart_req.irq = MPC85xx_IRQ_EXT10;
#ifdef CONFIG_SERIAL_8250
if (early_serial_setup(&uart_req) != 0)
printk("Early serial init of port 0 failed\n");
#endif
#ifdef CONFIG_SERIAL_TEXT_DEBUG
gen550_init(0, &uart_req);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &uart_req);
#endif
}
static void __init taiga_early_serial_map(void)
{
struct uart_port serial_req;
/* Setup serial port access */
memset(&serial_req, 0, sizeof(serial_req));
serial_req.uartclk = UART_CLK;
serial_req.irq = IRQ_TSI108_UART0;
serial_req.flags = STD_COM_FLAGS;
serial_req.iotype = SERIAL_IO_MEM;
/* CONFIG_TAIGA: remapped */
serial_req.membase = (u_char *) (TAIGA_SERIAL_0 | TSI108_CSR_ADDR_VIRT);
#ifdef CONFIG_SERIAL_TEXT_DEBUG
gen550_init(0, &serial_req);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(0, &serial_req);
#endif
if (early_serial_setup(&serial_req) != 0)
printk(KERN_ERR "Early serial init of port 0 failed\n");
/* Assume early_serial_setup() doesn't modify serial_req */
serial_req.line = 1;
serial_req.irq = IRQ_TSI108_UART1;
/* CONFIG_TAIGA: remapped */
serial_req.membase = (u_char *) (TAIGA_SERIAL_1 | TSI108_CSR_ADDR_VIRT);
#ifdef CONFIG_SERIAL_TEXT_DEBUG
gen550_init(1, &serial_req);
#endif
#ifdef CONFIG_KGDB_8250
kgdb8250_add_port(1, &serial_req);
#endif
if (early_serial_setup(&serial_req) != 0)
printk(KERN_ERR "Early serial init of port 1 failed\n");
}
