X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Ffirmware%2Fpcdp.c;h=2b4b76e8bd723ac25b6aa57b55cf57e23736297a;hb=21d37bbc65e39a26856de6b14be371ff24e0d03f;hp=53c95c0bbf46506826553d0e413c22cfa1c08c1e;hpb=f7f24758ac98a506770bc5910d33567610fa3403;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c
index 53c95c0bbf4..2b4b76e8bd7 100644
--- a/drivers/firmware/pcdp.c
+++ b/drivers/firmware/pcdp.c
@@ -11,7 +11,6 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/config.h>
 #include <linux/acpi.h>
 #include <linux/console.h>
 #include <linux/efi.h>
@@ -25,14 +24,22 @@ setup_serial_console(struct pcdp_uart *uart)
 #ifdef CONFIG_SERIAL_8250_CONSOLE
 	int mmio;
 	static char options[64], *p = options;
+	char parity;
 
-	mmio = (uart->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY);
+	mmio = (uart->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY);
 	p += sprintf(p, "console=uart,%s,0x%lx",
 		mmio ? "mmio" : "io", uart->addr.address);
-	if (uart->baud)
+	if (uart->baud) {
 		p += sprintf(p, ",%lu", uart->baud);
-	if (uart->bits)
-		p += sprintf(p, "n%d", uart->bits);
+		if (uart->bits) {
+			switch (uart->parity) {
+			    case 0x2: parity = 'e'; break;
+			    case 0x3: parity = 'o'; break;
+			    default:  parity = 'n';
+			}
+			p += sprintf(p, "%c%d", parity, uart->bits);
+		}
+	}
 
 	return early_serial_console_init(options);
 #else
@@ -81,19 +88,20 @@ efi_setup_pcdp_console(char *cmdline)
 	struct pcdp_uart *uart;
 	struct pcdp_device *dev, *end;
 	int i, serial = 0;
+	int rc = -ENODEV;
 
-	pcdp = efi.hcdp;
-	if (!pcdp)
+	if (efi.hcdp == EFI_INVALID_TABLE_ADDR)
 		return -ENODEV;
 
-	printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, __pa(pcdp));
+	pcdp = ioremap(efi.hcdp, 4096);
+	printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, efi.hcdp);
 
 	if (strstr(cmdline, "console=hcdp")) {
 		if (pcdp->rev < 3)
 			serial = 1;
 	} else if (strstr(cmdline, "console=")) {
 		printk(KERN_INFO "Explicit \"console=\"; ignoring PCDP\n");
-		return -ENODEV;
+		goto out;
 	}
 
 	if (pcdp->rev < 3 && efi_uart_console_only())
@@ -102,7 +110,8 @@ efi_setup_pcdp_console(char *cmdline)
 	for (i = 0, uart = pcdp->uart; i < pcdp->num_uarts; i++, uart++) {
 		if (uart->flags & PCDP_UART_PRIMARY_CONSOLE || serial) {
 			if (uart->type == PCDP_CONSOLE_UART) {
-				return setup_serial_console(uart);
+				rc = setup_serial_console(uart);
+				goto out;
 			}
 		}
 	}
@@ -113,10 +122,13 @@ efi_setup_pcdp_console(char *cmdline)
 	     dev = (struct pcdp_device *) ((u8 *) dev + dev->length)) {
 		if (dev->flags & PCDP_PRIMARY_CONSOLE) {
 			if (dev->type == PCDP_CONSOLE_VGA) {
-				return setup_vga_console(dev);
+				rc = setup_vga_console(dev);
+				goto out;
 			}
 		}
 	}
 
-	return -ENODEV;
+out:
+	iounmap(pcdp);
+	return rc;
 }