/*
+ * arch/ppc/platforms/4xx/xilinx_ml300.c
+ *
* Xilinx ML300 evaluation board initialization
*
* Author: MontaVista Software, Inc.
* "as is" without any warranty of any kind, whether express or implied.
*/
+#include <linux/config.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
-#include <linux/serial_8250.h>
#include <linux/serialP.h>
#include <asm/io.h>
#include <asm/machdep.h>
-#include <asm/ppc_sys.h>
+#include <asm/ocp.h>
-#include <syslib/gen550.h>
-#include <platforms/4xx/xparameters/xparameters.h>
+#include <platforms/4xx/virtex-ii_pro.h> /* for NR_SER_PORTS */
/*
* As an overview of how the following functions (platform_init,
* ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c
*/
-/* Board specifications structures */
-struct ppc_sys_spec *cur_ppc_sys_spec;
-struct ppc_sys_spec ppc_sys_specs[] = {
- {
- /* Only one entry, always assume the same design */
- .ppc_sys_name = "Xilinx ML300 Reference Design",
- .mask = 0x00000000,
- .value = 0x00000000,
- .num_devices = 1,
- .device_list = (enum ppc_sys_devices[])
- {
- VIRTEX_UART,
- },
- },
-};
-
#if defined(XPAR_POWER_0_POWERDOWN_BASEADDR)
static volatile unsigned *powerdown_base =
#endif
}
-/* Early serial support functions */
static void __init
-ml300_early_serial_init(int num, struct plat_serial8250_port *pdata)
-{
-#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
- struct uart_port serial_req;
-
- memset(&serial_req, 0, sizeof(serial_req));
- serial_req.mapbase = pdata->mapbase;
- serial_req.membase = pdata->membase;
- serial_req.irq = pdata->irq;
- serial_req.uartclk = pdata->uartclk;
- serial_req.regshift = pdata->regshift;
- serial_req.iotype = pdata->iotype;
- serial_req.flags = pdata->flags;
- gen550_init(num, &serial_req);
-#endif
-}
-
-void __init
ml300_early_serial_map(void)
{
#ifdef CONFIG_SERIAL_8250
- struct plat_serial8250_port *pdata;
- int i = 0;
-
- pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART);
- while(pdata && pdata->flags)
- {
- pdata->membase = ioremap(pdata->mapbase, 0x100);
- ml300_early_serial_init(i, pdata);
- pdata++;
- i++;
+ struct serial_state old_ports[] = { SERIAL_PORT_DFNS };
+ struct uart_port port;
+ int i;
+
+ /* Setup ioremapped serial port access */
+ for (i = 0; i < ARRAY_SIZE(old_ports); i++ ) {
+ memset(&port, 0, sizeof(port));
+ port.membase = ioremap((phys_addr_t)(old_ports[i].iomem_base), 16);
+ port.irq = old_ports[i].irq;
+ port.uartclk = old_ports[i].baud_base * 16;
+ port.regshift = old_ports[i].iomem_reg_shift;
+ port.iotype = UPIO_MEM;
+ port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
+ port.line = i;
+
+ if (early_serial_setup(&port) != 0) {
+ printk("Early serial init of port %d failed\n", i);
+ }
}
#endif /* CONFIG_SERIAL_8250 */
}
void __init
ml300_setup_arch(void)
{
- ml300_early_serial_map();
ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */
+ ml300_early_serial_map();
+
/* Identify the system */
printk(KERN_INFO "Xilinx Virtex-II Pro port\n");
printk(KERN_INFO "Port by MontaVista Software, Inc. (source@mvista.com)\n");
{
ppc4xx_init(r3, r4, r5, r6, r7);
- identify_ppc_sys_by_id(mfspr(SPRN_PVR));
-
ppc_md.setup_arch = ml300_setup_arch;
ppc_md.setup_io_mappings = ml300_map_io;
ppc_md.init_IRQ = ml300_init_irq;