X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Ffirmware%2Fpcdp.c;h=c37baf9448bc8665905c8479942c98ff083ea460;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=df1b721154d2728504541e023a43701db5e6d2f5;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git

diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c
index df1b72115..c37baf944 100644
--- a/drivers/firmware/pcdp.c
+++ b/drivers/firmware/pcdp.c
@@ -16,6 +16,7 @@
 #include <linux/console.h>
 #include <linux/efi.h>
 #include <linux/serial.h>
+#include <asm/vga.h>
 #include "pcdp.h"
 
 static int __init
@@ -23,12 +24,23 @@ setup_serial_console(struct pcdp_uart *uart)
 {
 #ifdef CONFIG_SERIAL_8250_CONSOLE
 	int mmio;
-	static char options[64];
+	static char options[64], *p = options;
+	char parity;
 
 	mmio = (uart->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY);
-	snprintf(options, sizeof(options), "console=uart,%s,0x%lx,%lun%d",
-		mmio ? "mmio" : "io", uart->addr.address, uart->baud,
-		uart->bits ? uart->bits : 8);
+	p += sprintf(p, "console=uart,%s,0x%lx",
+		mmio ? "mmio" : "io", uart->addr.address);
+	if (uart->baud) {
+		p += sprintf(p, ",%lu", uart->baud);
+		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
@@ -37,10 +49,27 @@ setup_serial_console(struct pcdp_uart *uart)
 }
 
 static int __init
-setup_vga_console(struct pcdp_vga *vga)
+setup_vga_console(struct pcdp_device *dev)
 {
 #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
-	if (efi_mem_type(0xA0000) == EFI_CONVENTIONAL_MEMORY) {
+	u8 *if_ptr;
+
+	if_ptr = ((u8 *)dev + sizeof(struct pcdp_device));
+	if (if_ptr[0] == PCDP_IF_PCI) {
+		struct pcdp_if_pci if_pci;
+
+		/* struct copy since ifptr might not be correctly aligned */
+
+		memcpy(&if_pci, if_ptr, sizeof(if_pci));
+
+		if (if_pci.trans & PCDP_PCI_TRANS_IOPORT)
+			vga_console_iobase = if_pci.ioport_tra;
+
+		if (if_pci.trans & PCDP_PCI_TRANS_MMIO)
+			vga_console_membase = if_pci.mmio_tra;
+	}
+
+	if (efi_mem_type(vga_console_membase + 0xA0000) == EFI_CONVENTIONAL_MEMORY) {
 		printk(KERN_ERR "PCDP: VGA selected, but frame buffer is not MMIO!\n");
 		return -ENODEV;
 	}
@@ -60,19 +89,20 @@ 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())
@@ -81,7 +111,8 @@ 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;
 			}
 		}
 	}
@@ -92,10 +123,13 @@ 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((struct pcdp_vga *) dev);
+				rc = setup_vga_console(dev);
+				goto out;
 			}
 		}
 	}
 
-	return -ENODEV;
+out:
+	iounmap(pcdp);
+	return rc;
 }