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grub2/0028-ehci-Split-core-code-from-PCI-part.patch
Peter Jones fa8b2484d0 Change TSC calibration driver preference (prefer pmtimer over PIT) 
- Pull in fixes for TSC calibration driver preference (prefer pmtimer
  over PIT) to boot on Apollo Lake systems with no PIT
- Fix pmtimer calibration to not take forever to fail on kvm.

Signed-off-by: Peter Jones <pjones@redhat.com>
2018-01-17 14:42:29 -05:00

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From 058df7b5a9cc7aaa9872eaa916b715544a8f9840 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Mon, 8 May 2017 22:10:26 +0200
Subject: [PATCH 028/198] ehci: Split core code from PCI part.
On ARM often EHCI is present without PCI and just declared in device
tree. So splitcore from PCI part.
---
grub-core/Makefile.core.def | 1 +
grub-core/bus/usb/ehci-pci.c | 208 +++++++++++++++++++++++++++++++++++++++++++
grub-core/bus/usb/ehci.c | 201 +++--------------------------------------
3 files changed, 223 insertions(+), 187 deletions(-)
create mode 100644 grub-core/bus/usb/ehci-pci.c
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index e4f253a20..4745eb4d9 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -593,6 +593,7 @@ module = {
module = {
name = ehci;
common = bus/usb/ehci.c;
+ pci = bus/usb/ehci-pci.c;
enable = pci;
};
diff --git a/grub-core/bus/usb/ehci-pci.c b/grub-core/bus/usb/ehci-pci.c
new file mode 100644
index 000000000..65e6cb574
--- /dev/null
+++ b/grub-core/bus/usb/ehci-pci.c
@@ -0,0 +1,208 @@
+/* ehci.c - EHCI Support. */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2011 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/pci.h>
+#include <grub/cpu/pci.h>
+#include <grub/cs5536.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/time.h>
+#include <grub/usb.h>
+
+#define GRUB_EHCI_PCI_SBRN_REG 0x60
+#define GRUB_EHCI_ADDR_MEM_MASK (~0xff)
+
+/* USBLEGSUP bits and related OS OWNED byte offset */
+enum
+{
+ GRUB_EHCI_BIOS_OWNED = (1 << 16),
+ GRUB_EHCI_OS_OWNED = (1 << 24)
+};
+
+/* PCI iteration function... */
+static int
+grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
+ void *data __attribute__ ((unused)))
+{
+ volatile grub_uint32_t *regs;
+ grub_uint32_t base, base_h;
+ grub_uint32_t eecp_offset;
+ grub_uint32_t usblegsup = 0;
+ grub_uint64_t maxtime;
+ grub_uint32_t interf;
+ grub_uint32_t subclass;
+ grub_uint32_t class;
+ grub_uint8_t release;
+ grub_uint32_t class_code;
+
+ grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: begin\n");
+
+ if (pciid == GRUB_CS5536_PCIID)
+ {
+ grub_uint64_t basereg;
+
+ basereg = grub_cs5536_read_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE);
+ if (!(basereg & GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE))
+ {
+ /* Shouldn't happen. */
+ grub_dprintf ("ehci", "No EHCI address is assigned\n");
+ return 0;
+ }
+ base = (basereg & GRUB_CS5536_MSR_USB_BASE_ADDR_MASK);
+ basereg |= GRUB_CS5536_MSR_USB_BASE_BUS_MASTER;
+ basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_ENABLED;
+ basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_STATUS;
+ basereg &= ~GRUB_CS5536_MSR_USB_BASE_SMI_ENABLE;
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE, basereg);
+ }
+ else
+ {
+ grub_pci_address_t addr;
+ addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
+ class_code = grub_pci_read (addr) >> 8;
+ interf = class_code & 0xFF;
+ subclass = (class_code >> 8) & 0xFF;
+ class = class_code >> 16;
+
+ /* If this is not an EHCI controller, just return. */
+ if (class != 0x0c || subclass != 0x03 || interf != 0x20)
+ return 0;
+
+ grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: class OK\n");
+
+ /* Check Serial Bus Release Number */
+ addr = grub_pci_make_address (dev, GRUB_EHCI_PCI_SBRN_REG);
+ release = grub_pci_read_byte (addr);
+ if (release != 0x20)
+ {
+ grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: Wrong SBRN: %0x\n",
+ release);
+ return 0;
+ }
+ grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: bus rev. num. OK\n");
+
+ /* Determine EHCI EHCC registers base address. */
+ addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
+ base = grub_pci_read (addr);
+ addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1);
+ base_h = grub_pci_read (addr);
+ /* Stop if registers are mapped above 4G - GRUB does not currently
+ * work with registers mapped above 4G */
+ if (((base & GRUB_PCI_ADDR_MEM_TYPE_MASK) != GRUB_PCI_ADDR_MEM_TYPE_32)
+ && (base_h != 0))
+ {
+ grub_dprintf ("ehci",
+ "EHCI grub_ehci_pci_iter: registers above 4G are not supported\n");
+ return 0;
+ }
+ base &= GRUB_PCI_ADDR_MEM_MASK;
+ if (!base)
+ {
+ grub_dprintf ("ehci",
+ "EHCI: EHCI is not mapped\n");
+ return 0;
+ }
+
+ /* Set bus master - needed for coreboot, VMware, broken BIOSes etc. */
+ addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
+ grub_pci_write_word(addr,
+ GRUB_PCI_COMMAND_MEM_ENABLED
+ | GRUB_PCI_COMMAND_BUS_MASTER
+ | grub_pci_read_word(addr));
+
+ grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: 32-bit EHCI OK\n");
+ }
+
+ grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: iobase of EHCC: %08x\n",
+ (base & GRUB_EHCI_ADDR_MEM_MASK));
+
+ regs = grub_pci_device_map_range (dev,
+ (base & GRUB_EHCI_ADDR_MEM_MASK),
+ 0x100);
+
+ /* Is there EECP ? */
+ eecp_offset = (grub_le_to_cpu32 (regs[2]) >> 8) & 0xff;
+
+ /* Determine and change ownership. */
+ /* EECP offset valid in HCCPARAMS */
+ /* Ownership can be changed via EECP only */
+ if (pciid != GRUB_CS5536_PCIID && eecp_offset >= 0x40)
+ {
+ grub_pci_address_t pciaddr_eecp;
+ pciaddr_eecp = grub_pci_make_address (dev, eecp_offset);
+
+ usblegsup = grub_pci_read (pciaddr_eecp);
+ if (usblegsup & GRUB_EHCI_BIOS_OWNED)
+ {
+ grub_boot_time ("Taking ownership of EHCI controller");
+ grub_dprintf ("ehci",
+ "EHCI grub_ehci_pci_iter: EHCI owned by: BIOS\n");
+ /* Ownership change - set OS_OWNED bit */
+ grub_pci_write (pciaddr_eecp, usblegsup | GRUB_EHCI_OS_OWNED);
+ /* Ensure PCI register is written */
+ grub_pci_read (pciaddr_eecp);
+
+ /* Wait for finish of ownership change, EHCI specification
+ * doesn't say how long it can take... */
+ maxtime = grub_get_time_ms () + 1000;
+ while ((grub_pci_read (pciaddr_eecp) & GRUB_EHCI_BIOS_OWNED)
+ && (grub_get_time_ms () < maxtime));
+ if (grub_pci_read (pciaddr_eecp) & GRUB_EHCI_BIOS_OWNED)
+ {
+ grub_dprintf ("ehci",
+ "EHCI grub_ehci_pci_iter: EHCI change ownership timeout");
+ /* Change ownership in "hard way" - reset BIOS ownership */
+ grub_pci_write (pciaddr_eecp, GRUB_EHCI_OS_OWNED);
+ /* Ensure PCI register is written */
+ grub_pci_read (pciaddr_eecp);
+ }
+ }
+ else if (usblegsup & GRUB_EHCI_OS_OWNED)
+ /* XXX: What to do in this case - nothing ? Can it happen ? */
+ grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: EHCI owned by: OS\n");
+ else
+ {
+ grub_dprintf ("ehci",
+ "EHCI grub_ehci_pci_iter: EHCI owned by: NONE\n");
+ /* XXX: What to do in this case ? Can it happen ?
+ * Is code below correct ? */
+ /* Ownership change - set OS_OWNED bit */
+ grub_pci_write (pciaddr_eecp, GRUB_EHCI_OS_OWNED);
+ /* Ensure PCI register is written */
+ grub_pci_read (pciaddr_eecp);
+ }
+
+ /* Disable SMI, just to be sure. */
+ pciaddr_eecp = grub_pci_make_address (dev, eecp_offset + 4);
+ grub_pci_write (pciaddr_eecp, 0);
+ /* Ensure PCI register is written */
+ grub_pci_read (pciaddr_eecp);
+ }
+
+ grub_dprintf ("ehci", "inithw: EHCI grub_ehci_pci_iter: ownership OK\n");
+
+ grub_ehci_init_device (regs);
+ return 0;
+}
+
+void
+grub_ehci_pci_scan (void)
+{
+ grub_pci_iterate (grub_ehci_pci_iter, NULL);
+}
diff --git a/grub-core/bus/usb/ehci.c b/grub-core/bus/usb/ehci.c
index 5f4297bb2..c772e7654 100644
--- a/grub-core/bus/usb/ehci.c
+++ b/grub-core/bus/usb/ehci.c
@@ -22,13 +22,10 @@
#include <grub/usb.h>
#include <grub/usbtrans.h>
#include <grub/misc.h>
-#include <grub/pci.h>
-#include <grub/cpu/pci.h>
-#include <grub/cpu/io.h>
#include <grub/time.h>
#include <grub/loader.h>
-#include <grub/cs5536.h>
#include <grub/disk.h>
+#include <grub/dma.h>
#include <grub/cache.h>
GRUB_MOD_LICENSE ("GPLv3+");
@@ -39,8 +36,6 @@ GRUB_MOD_LICENSE ("GPLv3+");
* - is not supporting interrupt transfers
*/
-#define GRUB_EHCI_PCI_SBRN_REG 0x60
-
/* Capability registers offsets */
enum
{
@@ -54,7 +49,6 @@ enum
#define GRUB_EHCI_EECP_MASK (0xff << 8)
#define GRUB_EHCI_EECP_SHIFT 8
-#define GRUB_EHCI_ADDR_MEM_MASK (~0xff)
#define GRUB_EHCI_POINTER_MASK (~0x1f)
/* Capability register SPARAMS bits */
@@ -85,13 +79,6 @@ enum
#define GRUB_EHCI_QH_EMPTY 1
-/* USBLEGSUP bits and related OS OWNED byte offset */
-enum
-{
- GRUB_EHCI_BIOS_OWNED = (1 << 16),
- GRUB_EHCI_OS_OWNED = (1 << 24)
-};
-
/* Operational registers offsets */
enum
{
@@ -455,9 +442,10 @@ grub_ehci_reset (struct grub_ehci *e)
sync_all_caches (e);
+ grub_dprintf ("ehci", "reset\n");
+
grub_ehci_oper_write32 (e, GRUB_EHCI_COMMAND,
- GRUB_EHCI_CMD_HC_RESET
- | grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND));
+ GRUB_EHCI_CMD_HC_RESET);
/* Ensure command is written */
grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND);
/* XXX: How long time could take reset of HC ? */
@@ -473,116 +461,24 @@ grub_ehci_reset (struct grub_ehci *e)
}
/* PCI iteration function... */
-static int
-grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
- void *data __attribute__ ((unused)))
+void
+grub_ehci_init_device (volatile void *regs)
{
- grub_uint8_t release;
- grub_uint32_t class_code;
- grub_uint32_t interf;
- grub_uint32_t subclass;
- grub_uint32_t class;
- grub_uint32_t base, base_h;
struct grub_ehci *e;
- grub_uint32_t eecp_offset;
grub_uint32_t fp;
int i;
- grub_uint32_t usblegsup = 0;
- grub_uint64_t maxtime;
grub_uint32_t n_ports;
grub_uint8_t caplen;
- grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: begin\n");
-
- if (pciid == GRUB_CS5536_PCIID)
- {
- grub_uint64_t basereg;
-
- basereg = grub_cs5536_read_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE);
- if (!(basereg & GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE))
- {
- /* Shouldn't happen. */
- grub_dprintf ("ehci", "No EHCI address is assigned\n");
- return 0;
- }
- base = (basereg & GRUB_CS5536_MSR_USB_BASE_ADDR_MASK);
- basereg |= GRUB_CS5536_MSR_USB_BASE_BUS_MASTER;
- basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_ENABLED;
- basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_STATUS;
- basereg &= ~GRUB_CS5536_MSR_USB_BASE_SMI_ENABLE;
- grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE, basereg);
- }
- else
- {
- grub_pci_address_t addr;
- addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
- class_code = grub_pci_read (addr) >> 8;
- interf = class_code & 0xFF;
- subclass = (class_code >> 8) & 0xFF;
- class = class_code >> 16;
-
- /* If this is not an EHCI controller, just return. */
- if (class != 0x0c || subclass != 0x03 || interf != 0x20)
- return 0;
-
- grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: class OK\n");
-
- /* Check Serial Bus Release Number */
- addr = grub_pci_make_address (dev, GRUB_EHCI_PCI_SBRN_REG);
- release = grub_pci_read_byte (addr);
- if (release != 0x20)
- {
- grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: Wrong SBRN: %0x\n",
- release);
- return 0;
- }
- grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: bus rev. num. OK\n");
-
- /* Determine EHCI EHCC registers base address. */
- addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
- base = grub_pci_read (addr);
- addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1);
- base_h = grub_pci_read (addr);
- /* Stop if registers are mapped above 4G - GRUB does not currently
- * work with registers mapped above 4G */
- if (((base & GRUB_PCI_ADDR_MEM_TYPE_MASK) != GRUB_PCI_ADDR_MEM_TYPE_32)
- && (base_h != 0))
- {
- grub_dprintf ("ehci",
- "EHCI grub_ehci_pci_iter: registers above 4G are not supported\n");
- return 0;
- }
- base &= GRUB_PCI_ADDR_MEM_MASK;
- if (!base)
- {
- grub_dprintf ("ehci",
- "EHCI: EHCI is not mapped\n");
- return 0;
- }
-
- /* Set bus master - needed for coreboot, VMware, broken BIOSes etc. */
- addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
- grub_pci_write_word(addr,
- GRUB_PCI_COMMAND_MEM_ENABLED
- | GRUB_PCI_COMMAND_BUS_MASTER
- | grub_pci_read_word(addr));
-
- grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: 32-bit EHCI OK\n");
- }
-
/* Allocate memory for the controller and fill basic values. */
e = grub_zalloc (sizeof (*e));
if (!e)
- return 1;
+ return;
e->framelist_chunk = NULL;
e->td_chunk = NULL;
e->qh_chunk = NULL;
- e->iobase_ehcc = grub_pci_device_map_range (dev,
- (base & GRUB_EHCI_ADDR_MEM_MASK),
- 0x100);
+ e->iobase_ehcc = regs;
- grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: iobase of EHCC: %08x\n",
- (base & GRUB_EHCI_ADDR_MEM_MASK));
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: CAPLEN: %02x\n",
grub_ehci_ehcc_read8 (e, GRUB_EHCI_EHCC_CAPLEN));
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: VERSION: %04x\n",
@@ -598,7 +494,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
if (caplen & (sizeof (grub_uint32_t) - 1))
{
grub_dprintf ("ehci", "Unaligned caplen\n");
- return 0;
+ return;
}
e->iobase = ((volatile grub_uint32_t *) e->iobase_ehcc
+ (caplen / sizeof (grub_uint32_t)));
@@ -609,7 +505,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
grub_dprintf ("ehci",
"EHCI grub_ehci_pci_iter: iobase of oper. regs: %08x\n",
- (base & GRUB_EHCI_ADDR_MEM_MASK) + caplen);
+ (grub_addr_t) e->iobase_ehcc + caplen);
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: COMMAND: %08x\n",
grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND));
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: STATUS: %08x\n",
@@ -625,10 +521,6 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: CONFIG_FLAG: %08x\n",
grub_ehci_oper_read32 (e, GRUB_EHCI_CONFIG_FLAG));
- /* Is there EECP ? */
- eecp_offset = (grub_ehci_ehcc_read32 (e, GRUB_EHCI_EHCC_CPARAMS)
- & GRUB_EHCI_EECP_MASK) >> GRUB_EHCI_EECP_SHIFT;
-
/* Check format of data structures requested by EHCI */
/* XXX: In fact it is not used at any place, it is prepared for future
* This implementation uses 32-bits pointers only */
@@ -732,65 +624,6 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: QH/TD init. OK\n");
- /* Determine and change ownership. */
- /* EECP offset valid in HCCPARAMS */
- /* Ownership can be changed via EECP only */
- if (pciid != GRUB_CS5536_PCIID && eecp_offset >= 0x40)
- {
- grub_pci_address_t pciaddr_eecp;
- pciaddr_eecp = grub_pci_make_address (dev, eecp_offset);
-
- usblegsup = grub_pci_read (pciaddr_eecp);
- if (usblegsup & GRUB_EHCI_BIOS_OWNED)
- {
- grub_boot_time ("Taking ownership of EHCI controller");
- grub_dprintf ("ehci",
- "EHCI grub_ehci_pci_iter: EHCI owned by: BIOS\n");
- /* Ownership change - set OS_OWNED bit */
- grub_pci_write (pciaddr_eecp, usblegsup | GRUB_EHCI_OS_OWNED);
- /* Ensure PCI register is written */
- grub_pci_read (pciaddr_eecp);
-
- /* Wait for finish of ownership change, EHCI specification
- * doesn't say how long it can take... */
- maxtime = grub_get_time_ms () + 1000;
- while ((grub_pci_read (pciaddr_eecp) & GRUB_EHCI_BIOS_OWNED)
- && (grub_get_time_ms () < maxtime));
- if (grub_pci_read (pciaddr_eecp) & GRUB_EHCI_BIOS_OWNED)
- {
- grub_dprintf ("ehci",
- "EHCI grub_ehci_pci_iter: EHCI change ownership timeout");
- /* Change ownership in "hard way" - reset BIOS ownership */
- grub_pci_write (pciaddr_eecp, GRUB_EHCI_OS_OWNED);
- /* Ensure PCI register is written */
- grub_pci_read (pciaddr_eecp);
- }
- }
- else if (usblegsup & GRUB_EHCI_OS_OWNED)
- /* XXX: What to do in this case - nothing ? Can it happen ? */
- grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: EHCI owned by: OS\n");
- else
- {
- grub_dprintf ("ehci",
- "EHCI grub_ehci_pci_iter: EHCI owned by: NONE\n");
- /* XXX: What to do in this case ? Can it happen ?
- * Is code below correct ? */
- /* Ownership change - set OS_OWNED bit */
- grub_pci_write (pciaddr_eecp, GRUB_EHCI_OS_OWNED);
- /* Ensure PCI register is written */
- grub_pci_read (pciaddr_eecp);
- }
-
- /* Disable SMI, just to be sure. */
- pciaddr_eecp = grub_pci_make_address (dev, eecp_offset + 4);
- grub_pci_write (pciaddr_eecp, 0);
- /* Ensure PCI register is written */
- grub_pci_read (pciaddr_eecp);
-
- }
-
- grub_dprintf ("ehci", "inithw: EHCI grub_ehci_pci_iter: ownership OK\n");
-
/* Now we can setup EHCI (maybe...) */
/* Check if EHCI is halted and halt it if not */
@@ -864,7 +697,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
grub_dprintf ("ehci",
"EHCI grub_ehci_pci_iter: iobase of oper. regs: %08x\n",
- (base & GRUB_EHCI_ADDR_MEM_MASK));
+ (grub_addr_t) regs);
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: COMMAND: %08x\n",
grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND));
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: STATUS: %08x\n",
@@ -880,7 +713,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: CONFIG_FLAG: %08x\n",
grub_ehci_oper_read32 (e, GRUB_EHCI_CONFIG_FLAG));
- return 0;
+ return;
fail:
if (e)
@@ -894,7 +727,7 @@ fail:
}
grub_free (e);
- return 0;
+ return;
}
static int
@@ -1891,12 +1724,6 @@ grub_ehci_detect_dev (grub_usb_controller_t dev, int port, int *changed)
}
}
-static void
-grub_ehci_inithw (void)
-{
- grub_pci_iterate (grub_ehci_pci_iter, NULL);
-}
-
static grub_err_t
grub_ehci_restore_hw (void)
{
@@ -1997,7 +1824,7 @@ GRUB_MOD_INIT (ehci)
grub_stop_disk_firmware ();
grub_boot_time ("Initing EHCI hardware");
- grub_ehci_inithw ();
+ grub_ehci_pci_scan ();
grub_boot_time ("Registering EHCI driver");
grub_usb_controller_dev_register (&usb_controller);
grub_boot_time ("EHCI driver registered");
--
2.14.3
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