[PATCH 3/11] celleb: move the SCC related code for celleb
Ishizaki Kou
kou.ishizaki at toshiba.co.jp
Wed Mar 5 19:26:02 EST 2008
This patch moves the SCC (Super Companion Chip) related code for celleb
into platforms/cell/.
All files in this patch are used by celleb-beat and celleb-native commonly.
Signed-off-by: Kou Ishizaki <kou.ishizaki at toshiba.co.jp>
---
arch/powerpc/platforms/cell/celleb_scc.h | 145 +++++++
arch/powerpc/platforms/cell/celleb_scc_epci.c | 479 +++++++++++++++++++++++++
arch/powerpc/platforms/cell/celleb_scc_sio.c | 101 +++++
arch/powerpc/platforms/cell/celleb_scc_uhc.c | 95 +++++
arch/powerpc/platforms/celleb/scc.h | 145 -------
arch/powerpc/platforms/celleb/scc_epci.c | 485 --------------------------
arch/powerpc/platforms/celleb/scc_sio.c | 101 -----
arch/powerpc/platforms/celleb/scc_uhc.c | 95 -----
8 files changed, 820 insertions(+), 826 deletions(-)
Index: b/arch/powerpc/platforms/cell/celleb_scc.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ b/arch/powerpc/platforms/cell/celleb_scc.h 2008-03-04 14:00:42.000000000 +0900
@@ -0,0 +1,145 @@
+/*
+ * SCC (Super Companion Chip) definitions
+ *
+ * (C) Copyright 2004-2006 TOSHIBA CORPORATION
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _CELLEB_SCC_H
+#define _CELLEB_SCC_H
+
+#define PCI_VENDOR_ID_TOSHIBA_2 0x102f
+#define PCI_DEVICE_ID_TOSHIBA_SCC_PCIEXC_BRIDGE 0x01b0
+#define PCI_DEVICE_ID_TOSHIBA_SCC_EPCI_BRIDGE 0x01b1
+#define PCI_DEVICE_ID_TOSHIBA_SCC_BRIDGE 0x01b2
+#define PCI_DEVICE_ID_TOSHIBA_SCC_GBE 0x01b3
+#define PCI_DEVICE_ID_TOSHIBA_SCC_ATA 0x01b4
+#define PCI_DEVICE_ID_TOSHIBA_SCC_USB2 0x01b5
+#define PCI_DEVICE_ID_TOSHIBA_SCC_USB 0x01b6
+#define PCI_DEVICE_ID_TOSHIBA_SCC_ENCDEC 0x01b7
+
+#define SCC_EPCI_REG 0x0000d000
+
+/* EPCI registers */
+#define SCC_EPCI_CNF10_REG 0x010
+#define SCC_EPCI_CNF14_REG 0x014
+#define SCC_EPCI_CNF18_REG 0x018
+#define SCC_EPCI_PVBAT 0x100
+#define SCC_EPCI_VPMBAT 0x104
+#define SCC_EPCI_VPIBAT 0x108
+#define SCC_EPCI_VCSR 0x110
+#define SCC_EPCI_VIENAB 0x114
+#define SCC_EPCI_VISTAT 0x118
+#define SCC_EPCI_VRDCOUNT 0x124
+#define SCC_EPCI_BAM0 0x12c
+#define SCC_EPCI_BAM1 0x134
+#define SCC_EPCI_BAM2 0x13c
+#define SCC_EPCI_IADR 0x164
+#define SCC_EPCI_CLKRST 0x800
+#define SCC_EPCI_INTSET 0x804
+#define SCC_EPCI_STATUS 0x808
+#define SCC_EPCI_ABTSET 0x80c
+#define SCC_EPCI_WATRP 0x810
+#define SCC_EPCI_DUMYRADR 0x814
+#define SCC_EPCI_SWRESP 0x818
+#define SCC_EPCI_CNTOPT 0x81c
+#define SCC_EPCI_ECMODE 0xf00
+#define SCC_EPCI_IOM_AC_NUM 5
+#define SCC_EPCI_IOM_ACTE(n) (0xf10 + (n) * 4)
+#define SCC_EPCI_IOT_AC_NUM 4
+#define SCC_EPCI_IOT_ACTE(n) (0xf30 + (n) * 4)
+#define SCC_EPCI_MAEA 0xf50
+#define SCC_EPCI_MAEC 0xf54
+#define SCC_EPCI_CKCTRL 0xff0
+
+/* bits for SCC_EPCI_VCSR */
+#define SCC_EPCI_VCSR_FRE 0x00020000
+#define SCC_EPCI_VCSR_FWE 0x00010000
+#define SCC_EPCI_VCSR_DR 0x00000400
+#define SCC_EPCI_VCSR_SR 0x00000008
+#define SCC_EPCI_VCSR_AT 0x00000004
+
+/* bits for SCC_EPCI_VIENAB/SCC_EPCI_VISTAT */
+#define SCC_EPCI_VISTAT_PMPE 0x00000008
+#define SCC_EPCI_VISTAT_PMFE 0x00000004
+#define SCC_EPCI_VISTAT_PRA 0x00000002
+#define SCC_EPCI_VISTAT_PRD 0x00000001
+#define SCC_EPCI_VISTAT_ALL 0x0000000f
+
+#define SCC_EPCI_VIENAB_PMPEE 0x00000008
+#define SCC_EPCI_VIENAB_PMFEE 0x00000004
+#define SCC_EPCI_VIENAB_PRA 0x00000002
+#define SCC_EPCI_VIENAB_PRD 0x00000001
+#define SCC_EPCI_VIENAB_ALL 0x0000000f
+
+/* bits for SCC_EPCI_CLKRST */
+#define SCC_EPCI_CLKRST_CKS_MASK 0x00030000
+#define SCC_EPCI_CLKRST_CKS_2 0x00000000
+#define SCC_EPCI_CLKRST_CKS_4 0x00010000
+#define SCC_EPCI_CLKRST_CKS_8 0x00020000
+#define SCC_EPCI_CLKRST_PCICRST 0x00000400
+#define SCC_EPCI_CLKRST_BC 0x00000200
+#define SCC_EPCI_CLKRST_PCIRST 0x00000100
+#define SCC_EPCI_CLKRST_PCKEN 0x00000001
+
+/* bits for SCC_EPCI_INTSET/SCC_EPCI_STATUS */
+#define SCC_EPCI_INT_2M 0x01000000
+#define SCC_EPCI_INT_RERR 0x00200000
+#define SCC_EPCI_INT_SERR 0x00100000
+#define SCC_EPCI_INT_PRTER 0x00080000
+#define SCC_EPCI_INT_SER 0x00040000
+#define SCC_EPCI_INT_PER 0x00020000
+#define SCC_EPCI_INT_PAI 0x00010000
+#define SCC_EPCI_INT_1M 0x00000100
+#define SCC_EPCI_INT_PME 0x00000010
+#define SCC_EPCI_INT_INTD 0x00000008
+#define SCC_EPCI_INT_INTC 0x00000004
+#define SCC_EPCI_INT_INTB 0x00000002
+#define SCC_EPCI_INT_INTA 0x00000001
+#define SCC_EPCI_INT_DEVINT 0x0000000f
+#define SCC_EPCI_INT_ALL 0x003f001f
+#define SCC_EPCI_INT_ALLERR 0x003f0000
+
+/* bits for SCC_EPCI_CKCTRL */
+#define SCC_EPCI_CKCTRL_CRST0 0x00010000
+#define SCC_EPCI_CKCTRL_CRST1 0x00020000
+#define SCC_EPCI_CKCTRL_OCLKEN 0x00000100
+#define SCC_EPCI_CKCTRL_LCLKEN 0x00000001
+
+#define SCC_EPCI_IDSEL_AD_TO_SLOT(ad) ((ad) - 10)
+#define SCC_EPCI_MAX_DEVNU SCC_EPCI_IDSEL_AD_TO_SLOT(32)
+
+/* bits for SCC_EPCI_CNTOPT */
+#define SCC_EPCI_CNTOPT_O2PMB 0x00000002
+
+/* UHC registers */
+#define SCC_UHC_CKRCTRL 0xff0
+#define SCC_UHC_ECMODE 0xf00
+
+/* bits for SCC_UHC_CKRCTRL */
+#define SCC_UHC_F48MCKLEN 0x00000001
+#define SCC_UHC_P_SUSPEND 0x00000002
+#define SCC_UHC_PHY_SUSPEND_SEL 0x00000004
+#define SCC_UHC_HCLKEN 0x00000100
+#define SCC_UHC_USBEN 0x00010000
+#define SCC_UHC_USBCEN 0x00020000
+#define SCC_UHC_PHYEN 0x00040000
+
+/* bits for SCC_UHC_ECMODE */
+#define SCC_UHC_ECMODE_BY_BYTE 0x00000555
+#define SCC_UHC_ECMODE_BY_WORD 0x00000aaa
+
+#endif /* _CELLEB_SCC_H */
Index: b/arch/powerpc/platforms/cell/celleb_scc_epci.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ b/arch/powerpc/platforms/cell/celleb_scc_epci.c 2008-03-04 14:00:42.000000000 +0900
@@ -0,0 +1,479 @@
+/*
+ * Support for SCC external PCI
+ *
+ * (C) Copyright 2004-2007 TOSHIBA CORPORATION
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/threads.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/pci_regs.h>
+#include <linux/bootmem.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc-pci.h>
+
+#include "celleb_scc.h"
+#include "celleb_pci.h"
+
+#define MAX_PCI_DEVICES 32
+#define MAX_PCI_FUNCTIONS 8
+
+#define iob() __asm__ __volatile__("eieio; sync":::"memory")
+
+struct epci_private {
+ dma_addr_t dummy_page_da;
+};
+
+static inline PCI_IO_ADDR celleb_epci_get_epci_base(
+ struct pci_controller *hose)
+{
+ /*
+ * Note:
+ * Celleb epci uses cfg_addr as a base address for
+ * epci control registers.
+ */
+
+ return hose->cfg_addr;
+}
+
+static inline PCI_IO_ADDR celleb_epci_get_epci_cfg(
+ struct pci_controller *hose)
+{
+ /*
+ * Note:
+ * Celleb epci uses cfg_data as a base address for
+ * configuration area for epci devices.
+ */
+
+ return hose->cfg_data;
+}
+
+static void scc_epci_dummy_read(struct pci_controller *hose)
+{
+ PCI_IO_ADDR epci_base;
+ u32 val;
+
+ epci_base = celleb_epci_get_epci_base(hose);
+
+ val = in_be32(epci_base + SCC_EPCI_WATRP);
+ iosync();
+
+ return;
+}
+
+void __init epci_workaround_init(struct pci_controller *hose)
+{
+ PCI_IO_ADDR epci_base;
+ PCI_IO_ADDR reg;
+ struct epci_private *private = hose->private_data;
+
+ BUG_ON(!private);
+
+ private->dummy_page_da = dma_map_single(hose->parent,
+ celleb_dummy_page_va, PAGE_SIZE, DMA_FROM_DEVICE);
+ if (private->dummy_page_da == DMA_ERROR_CODE) {
+ printk(KERN_ERR "EPCI: dummy read disabled. "
+ "Map dummy page failed.\n");
+ return;
+ }
+
+ celleb_pci_add_one(hose, scc_epci_dummy_read);
+ epci_base = celleb_epci_get_epci_base(hose);
+
+ reg = epci_base + SCC_EPCI_DUMYRADR;
+ out_be32(reg, private->dummy_page_da);
+}
+
+static inline void clear_and_disable_master_abort_interrupt(
+ struct pci_controller *hose)
+{
+ PCI_IO_ADDR epci_base;
+ PCI_IO_ADDR reg;
+ epci_base = celleb_epci_get_epci_base(hose);
+ reg = epci_base + PCI_COMMAND;
+ out_be32(reg, in_be32(reg) | (PCI_STATUS_REC_MASTER_ABORT << 16));
+}
+
+static int celleb_epci_check_abort(struct pci_controller *hose,
+ PCI_IO_ADDR addr)
+{
+ PCI_IO_ADDR reg;
+ PCI_IO_ADDR epci_base;
+ u32 val;
+
+ iob();
+ epci_base = celleb_epci_get_epci_base(hose);
+
+ reg = epci_base + PCI_COMMAND;
+ val = in_be32(reg);
+
+ if (val & (PCI_STATUS_REC_MASTER_ABORT << 16)) {
+ out_be32(reg,
+ (val & 0xffff) | (PCI_STATUS_REC_MASTER_ABORT << 16));
+
+ /* clear PCI Controller error, FRE, PMFE */
+ reg = epci_base + SCC_EPCI_STATUS;
+ out_be32(reg, SCC_EPCI_INT_PAI);
+
+ reg = epci_base + SCC_EPCI_VCSR;
+ val = in_be32(reg) & 0xffff;
+ val |= SCC_EPCI_VCSR_FRE;
+ out_be32(reg, val);
+
+ reg = epci_base + SCC_EPCI_VISTAT;
+ out_be32(reg, SCC_EPCI_VISTAT_PMFE);
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static PCI_IO_ADDR celleb_epci_make_config_addr(struct pci_bus *bus,
+ struct pci_controller *hose, unsigned int devfn, int where)
+{
+ PCI_IO_ADDR addr;
+
+ if (bus != hose->bus)
+ addr = celleb_epci_get_epci_cfg(hose) +
+ (((bus->number & 0xff) << 16)
+ | ((devfn & 0xff) << 8)
+ | (where & 0xff)
+ | 0x01000000);
+ else
+ addr = celleb_epci_get_epci_cfg(hose) +
+ (((devfn & 0xff) << 8) | (where & 0xff));
+
+ pr_debug("EPCI: config_addr = 0x%p\n", addr);
+
+ return addr;
+}
+
+static int celleb_epci_read_config(struct pci_bus *bus,
+ unsigned int devfn, int where, int size, u32 *val)
+{
+ PCI_IO_ADDR epci_base;
+ PCI_IO_ADDR addr;
+ struct device_node *node;
+ struct pci_controller *hose;
+
+ /* allignment check */
+ BUG_ON(where % size);
+
+ node = (struct device_node *)bus->sysdata;
+ hose = pci_find_hose_for_OF_device(node);
+
+ if (!celleb_epci_get_epci_cfg(hose))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ if (bus->number == hose->first_busno && devfn == 0) {
+ /* EPCI controller self */
+
+ epci_base = celleb_epci_get_epci_base(hose);
+ addr = epci_base + where;
+
+ switch (size) {
+ case 1:
+ *val = in_8(addr);
+ break;
+ case 2:
+ *val = in_be16(addr);
+ break;
+ case 4:
+ *val = in_be32(addr);
+ break;
+ default:
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
+ } else {
+
+ clear_and_disable_master_abort_interrupt(hose);
+ addr = celleb_epci_make_config_addr(bus, hose, devfn, where);
+
+ switch (size) {
+ case 1:
+ *val = in_8(addr);
+ break;
+ case 2:
+ *val = in_le16(addr);
+ break;
+ case 4:
+ *val = in_le32(addr);
+ break;
+ default:
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+ }
+
+ pr_debug("EPCI: "
+ "addr=0x%p, devfn=0x%x, where=0x%x, size=0x%x, val=0x%x\n",
+ addr, devfn, where, size, *val);
+
+ return celleb_epci_check_abort(hose, NULL);
+}
+
+static int celleb_epci_write_config(struct pci_bus *bus,
+ unsigned int devfn, int where, int size, u32 val)
+{
+ PCI_IO_ADDR epci_base;
+ PCI_IO_ADDR addr;
+ struct device_node *node;
+ struct pci_controller *hose;
+
+ /* allignment check */
+ BUG_ON(where % size);
+
+ node = (struct device_node *)bus->sysdata;
+ hose = pci_find_hose_for_OF_device(node);
+
+
+ if (!celleb_epci_get_epci_cfg(hose))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ if (bus->number == hose->first_busno && devfn == 0) {
+ /* EPCI controller self */
+
+ epci_base = celleb_epci_get_epci_base(hose);
+ addr = epci_base + where;
+
+ switch (size) {
+ case 1:
+ out_8(addr, val);
+ break;
+ case 2:
+ out_be16(addr, val);
+ break;
+ case 4:
+ out_be32(addr, val);
+ break;
+ default:
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
+ } else {
+
+ clear_and_disable_master_abort_interrupt(hose);
+ addr = celleb_epci_make_config_addr(bus, hose, devfn, where);
+
+ switch (size) {
+ case 1:
+ out_8(addr, val);
+ break;
+ case 2:
+ out_le16(addr, val);
+ break;
+ case 4:
+ out_le32(addr, val);
+ break;
+ default:
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+ }
+
+ return celleb_epci_check_abort(hose, addr);
+}
+
+struct pci_ops celleb_epci_ops = {
+ .read = celleb_epci_read_config,
+ .write = celleb_epci_write_config,
+};
+
+/* to be moved in FW */
+static int __init celleb_epci_init(struct pci_controller *hose)
+{
+ u32 val;
+ PCI_IO_ADDR reg;
+ PCI_IO_ADDR epci_base;
+ int hwres = 0;
+
+ epci_base = celleb_epci_get_epci_base(hose);
+
+ /* PCI core reset(Internal bus and PCI clock) */
+ reg = epci_base + SCC_EPCI_CKCTRL;
+ val = in_be32(reg);
+ if (val == 0x00030101)
+ hwres = 1;
+ else {
+ val &= ~(SCC_EPCI_CKCTRL_CRST0 | SCC_EPCI_CKCTRL_CRST1);
+ out_be32(reg, val);
+
+ /* set PCI core clock */
+ val = in_be32(reg);
+ val |= (SCC_EPCI_CKCTRL_OCLKEN | SCC_EPCI_CKCTRL_LCLKEN);
+ out_be32(reg, val);
+
+ /* release PCI core reset (internal bus) */
+ val = in_be32(reg);
+ val |= SCC_EPCI_CKCTRL_CRST0;
+ out_be32(reg, val);
+
+ /* set PCI clock select */
+ reg = epci_base + SCC_EPCI_CLKRST;
+ val = in_be32(reg);
+ val &= ~SCC_EPCI_CLKRST_CKS_MASK;
+ val |= SCC_EPCI_CLKRST_CKS_2;
+ out_be32(reg, val);
+
+ /* set arbiter */
+ reg = epci_base + SCC_EPCI_ABTSET;
+ out_be32(reg, 0x0f1f001f); /* temporary value */
+
+ /* buffer on */
+ reg = epci_base + SCC_EPCI_CLKRST;
+ val = in_be32(reg);
+ val |= SCC_EPCI_CLKRST_BC;
+ out_be32(reg, val);
+
+ /* PCI clock enable */
+ val = in_be32(reg);
+ val |= SCC_EPCI_CLKRST_PCKEN;
+ out_be32(reg, val);
+
+ /* release PCI core reset (all) */
+ reg = epci_base + SCC_EPCI_CKCTRL;
+ val = in_be32(reg);
+ val |= (SCC_EPCI_CKCTRL_CRST0 | SCC_EPCI_CKCTRL_CRST1);
+ out_be32(reg, val);
+
+ /* set base translation registers. (already set by Beat) */
+
+ /* set base address masks. (already set by Beat) */
+ }
+
+ /* release interrupt masks and clear all interrupts */
+ reg = epci_base + SCC_EPCI_INTSET;
+ out_be32(reg, 0x013f011f); /* all interrupts enable */
+ reg = epci_base + SCC_EPCI_VIENAB;
+ val = SCC_EPCI_VIENAB_PMPEE | SCC_EPCI_VIENAB_PMFEE;
+ out_be32(reg, val);
+ reg = epci_base + SCC_EPCI_STATUS;
+ out_be32(reg, 0xffffffff);
+ reg = epci_base + SCC_EPCI_VISTAT;
+ out_be32(reg, 0xffffffff);
+
+ /* disable PCI->IB address translation */
+ reg = epci_base + SCC_EPCI_VCSR;
+ val = in_be32(reg);
+ val &= ~(SCC_EPCI_VCSR_DR | SCC_EPCI_VCSR_AT);
+ out_be32(reg, val);
+
+ /* set base addresses. (no need to set?) */
+
+ /* memory space, bus master enable */
+ reg = epci_base + PCI_COMMAND;
+ val = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+ out_be32(reg, val);
+
+ /* endian mode setup */
+ reg = epci_base + SCC_EPCI_ECMODE;
+ val = 0x00550155;
+ out_be32(reg, val);
+
+ /* set control option */
+ reg = epci_base + SCC_EPCI_CNTOPT;
+ val = in_be32(reg);
+ val |= SCC_EPCI_CNTOPT_O2PMB;
+ out_be32(reg, val);
+
+ /* XXX: temporay: set registers for address conversion setup */
+ reg = epci_base + SCC_EPCI_CNF10_REG;
+ out_be32(reg, 0x80000008);
+ reg = epci_base + SCC_EPCI_CNF14_REG;
+ out_be32(reg, 0x40000008);
+
+ reg = epci_base + SCC_EPCI_BAM0;
+ out_be32(reg, 0x80000000);
+ reg = epci_base + SCC_EPCI_BAM1;
+ out_be32(reg, 0xe0000000);
+
+ reg = epci_base + SCC_EPCI_PVBAT;
+ out_be32(reg, 0x80000000);
+
+ if (!hwres) {
+ /* release external PCI reset */
+ reg = epci_base + SCC_EPCI_CLKRST;
+ val = in_be32(reg);
+ val |= SCC_EPCI_CLKRST_PCIRST;
+ out_be32(reg, val);
+ }
+
+ return 0;
+}
+
+int __init celleb_setup_epci(struct device_node *node,
+ struct pci_controller *hose)
+{
+ struct resource r;
+
+ pr_debug("PCI: celleb_setup_epci()\n");
+
+ /*
+ * Note:
+ * Celleb epci uses cfg_addr and cfg_data member of
+ * pci_controller structure in irregular way.
+ *
+ * cfg_addr is used to map for control registers of
+ * celleb epci.
+ *
+ * cfg_data is used for configuration area of devices
+ * on Celleb epci buses.
+ */
+
+ if (of_address_to_resource(node, 0, &r))
+ goto error;
+ hose->cfg_addr = ioremap(r.start, (r.end - r.start + 1));
+ if (!hose->cfg_addr)
+ goto error;
+ pr_debug("EPCI: cfg_addr map 0x%016lx->0x%016lx + 0x%016lx\n",
+ r.start, (unsigned long)hose->cfg_addr, (r.end - r.start + 1));
+
+ if (of_address_to_resource(node, 2, &r))
+ goto error;
+ hose->cfg_data = ioremap(r.start, (r.end - r.start + 1));
+ if (!hose->cfg_data)
+ goto error;
+ pr_debug("EPCI: cfg_data map 0x%016lx->0x%016lx + 0x%016lx\n",
+ r.start, (unsigned long)hose->cfg_data, (r.end - r.start + 1));
+
+ hose->private_data = kzalloc(sizeof(struct epci_private), GFP_KERNEL);
+ if (hose->private_data == NULL) {
+ printk(KERN_ERR "EPCI: no memory for private data.\n");
+ goto error;
+ }
+
+ hose->ops = &celleb_epci_ops;
+ celleb_epci_init(hose);
+
+ return 0;
+
+error:
+ kfree(hose->private_data);
+
+ if (hose->cfg_addr)
+ iounmap(hose->cfg_addr);
+
+ if (hose->cfg_data)
+ iounmap(hose->cfg_data);
+ return 1;
+}
Index: b/arch/powerpc/platforms/celleb/scc.h
===================================================================
--- a/arch/powerpc/platforms/celleb/scc.h 2008-03-04 13:57:49.000000000 +0900
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,145 +0,0 @@
-/*
- * SCC (Super Companion Chip) definitions
- *
- * (C) Copyright 2004-2006 TOSHIBA CORPORATION
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef _CELLEB_SCC_H
-#define _CELLEB_SCC_H
-
-#define PCI_VENDOR_ID_TOSHIBA_2 0x102f
-#define PCI_DEVICE_ID_TOSHIBA_SCC_PCIEXC_BRIDGE 0x01b0
-#define PCI_DEVICE_ID_TOSHIBA_SCC_EPCI_BRIDGE 0x01b1
-#define PCI_DEVICE_ID_TOSHIBA_SCC_BRIDGE 0x01b2
-#define PCI_DEVICE_ID_TOSHIBA_SCC_GBE 0x01b3
-#define PCI_DEVICE_ID_TOSHIBA_SCC_ATA 0x01b4
-#define PCI_DEVICE_ID_TOSHIBA_SCC_USB2 0x01b5
-#define PCI_DEVICE_ID_TOSHIBA_SCC_USB 0x01b6
-#define PCI_DEVICE_ID_TOSHIBA_SCC_ENCDEC 0x01b7
-
-#define SCC_EPCI_REG 0x0000d000
-
-/* EPCI registers */
-#define SCC_EPCI_CNF10_REG 0x010
-#define SCC_EPCI_CNF14_REG 0x014
-#define SCC_EPCI_CNF18_REG 0x018
-#define SCC_EPCI_PVBAT 0x100
-#define SCC_EPCI_VPMBAT 0x104
-#define SCC_EPCI_VPIBAT 0x108
-#define SCC_EPCI_VCSR 0x110
-#define SCC_EPCI_VIENAB 0x114
-#define SCC_EPCI_VISTAT 0x118
-#define SCC_EPCI_VRDCOUNT 0x124
-#define SCC_EPCI_BAM0 0x12c
-#define SCC_EPCI_BAM1 0x134
-#define SCC_EPCI_BAM2 0x13c
-#define SCC_EPCI_IADR 0x164
-#define SCC_EPCI_CLKRST 0x800
-#define SCC_EPCI_INTSET 0x804
-#define SCC_EPCI_STATUS 0x808
-#define SCC_EPCI_ABTSET 0x80c
-#define SCC_EPCI_WATRP 0x810
-#define SCC_EPCI_DUMYRADR 0x814
-#define SCC_EPCI_SWRESP 0x818
-#define SCC_EPCI_CNTOPT 0x81c
-#define SCC_EPCI_ECMODE 0xf00
-#define SCC_EPCI_IOM_AC_NUM 5
-#define SCC_EPCI_IOM_ACTE(n) (0xf10 + (n) * 4)
-#define SCC_EPCI_IOT_AC_NUM 4
-#define SCC_EPCI_IOT_ACTE(n) (0xf30 + (n) * 4)
-#define SCC_EPCI_MAEA 0xf50
-#define SCC_EPCI_MAEC 0xf54
-#define SCC_EPCI_CKCTRL 0xff0
-
-/* bits for SCC_EPCI_VCSR */
-#define SCC_EPCI_VCSR_FRE 0x00020000
-#define SCC_EPCI_VCSR_FWE 0x00010000
-#define SCC_EPCI_VCSR_DR 0x00000400
-#define SCC_EPCI_VCSR_SR 0x00000008
-#define SCC_EPCI_VCSR_AT 0x00000004
-
-/* bits for SCC_EPCI_VIENAB/SCC_EPCI_VISTAT */
-#define SCC_EPCI_VISTAT_PMPE 0x00000008
-#define SCC_EPCI_VISTAT_PMFE 0x00000004
-#define SCC_EPCI_VISTAT_PRA 0x00000002
-#define SCC_EPCI_VISTAT_PRD 0x00000001
-#define SCC_EPCI_VISTAT_ALL 0x0000000f
-
-#define SCC_EPCI_VIENAB_PMPEE 0x00000008
-#define SCC_EPCI_VIENAB_PMFEE 0x00000004
-#define SCC_EPCI_VIENAB_PRA 0x00000002
-#define SCC_EPCI_VIENAB_PRD 0x00000001
-#define SCC_EPCI_VIENAB_ALL 0x0000000f
-
-/* bits for SCC_EPCI_CLKRST */
-#define SCC_EPCI_CLKRST_CKS_MASK 0x00030000
-#define SCC_EPCI_CLKRST_CKS_2 0x00000000
-#define SCC_EPCI_CLKRST_CKS_4 0x00010000
-#define SCC_EPCI_CLKRST_CKS_8 0x00020000
-#define SCC_EPCI_CLKRST_PCICRST 0x00000400
-#define SCC_EPCI_CLKRST_BC 0x00000200
-#define SCC_EPCI_CLKRST_PCIRST 0x00000100
-#define SCC_EPCI_CLKRST_PCKEN 0x00000001
-
-/* bits for SCC_EPCI_INTSET/SCC_EPCI_STATUS */
-#define SCC_EPCI_INT_2M 0x01000000
-#define SCC_EPCI_INT_RERR 0x00200000
-#define SCC_EPCI_INT_SERR 0x00100000
-#define SCC_EPCI_INT_PRTER 0x00080000
-#define SCC_EPCI_INT_SER 0x00040000
-#define SCC_EPCI_INT_PER 0x00020000
-#define SCC_EPCI_INT_PAI 0x00010000
-#define SCC_EPCI_INT_1M 0x00000100
-#define SCC_EPCI_INT_PME 0x00000010
-#define SCC_EPCI_INT_INTD 0x00000008
-#define SCC_EPCI_INT_INTC 0x00000004
-#define SCC_EPCI_INT_INTB 0x00000002
-#define SCC_EPCI_INT_INTA 0x00000001
-#define SCC_EPCI_INT_DEVINT 0x0000000f
-#define SCC_EPCI_INT_ALL 0x003f001f
-#define SCC_EPCI_INT_ALLERR 0x003f0000
-
-/* bits for SCC_EPCI_CKCTRL */
-#define SCC_EPCI_CKCTRL_CRST0 0x00010000
-#define SCC_EPCI_CKCTRL_CRST1 0x00020000
-#define SCC_EPCI_CKCTRL_OCLKEN 0x00000100
-#define SCC_EPCI_CKCTRL_LCLKEN 0x00000001
-
-#define SCC_EPCI_IDSEL_AD_TO_SLOT(ad) ((ad) - 10)
-#define SCC_EPCI_MAX_DEVNU SCC_EPCI_IDSEL_AD_TO_SLOT(32)
-
-/* bits for SCC_EPCI_CNTOPT */
-#define SCC_EPCI_CNTOPT_O2PMB 0x00000002
-
-/* UHC registers */
-#define SCC_UHC_CKRCTRL 0xff0
-#define SCC_UHC_ECMODE 0xf00
-
-/* bits for SCC_UHC_CKRCTRL */
-#define SCC_UHC_F48MCKLEN 0x00000001
-#define SCC_UHC_P_SUSPEND 0x00000002
-#define SCC_UHC_PHY_SUSPEND_SEL 0x00000004
-#define SCC_UHC_HCLKEN 0x00000100
-#define SCC_UHC_USBEN 0x00010000
-#define SCC_UHC_USBCEN 0x00020000
-#define SCC_UHC_PHYEN 0x00040000
-
-/* bits for SCC_UHC_ECMODE */
-#define SCC_UHC_ECMODE_BY_BYTE 0x00000555
-#define SCC_UHC_ECMODE_BY_WORD 0x00000aaa
-
-#endif /* _CELLEB_SCC_H */
Index: b/arch/powerpc/platforms/celleb/scc_epci.c
===================================================================
--- a/arch/powerpc/platforms/celleb/scc_epci.c 2008-03-04 13:57:49.000000000 +0900
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,485 +0,0 @@
-/*
- * Support for SCC external PCI
- *
- * (C) Copyright 2004-2007 TOSHIBA CORPORATION
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#undef DEBUG
-
-#include <linux/kernel.h>
-#include <linux/threads.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/pci_regs.h>
-#include <linux/bootmem.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/prom.h>
-#include <asm/machdep.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc-pci.h>
-
-#include "scc.h"
-#include "pci.h"
-#include "interrupt.h"
-
-#define MAX_PCI_DEVICES 32
-#define MAX_PCI_FUNCTIONS 8
-
-#define iob() __asm__ __volatile__("eieio; sync":::"memory")
-
-struct epci_private {
- dma_addr_t dummy_page_da;
-};
-
-static inline PCI_IO_ADDR celleb_epci_get_epci_base(
- struct pci_controller *hose)
-{
- /*
- * Note:
- * Celleb epci uses cfg_addr as a base address for
- * epci control registers.
- */
-
- return hose->cfg_addr;
-}
-
-static inline PCI_IO_ADDR celleb_epci_get_epci_cfg(
- struct pci_controller *hose)
-{
- /*
- * Note:
- * Celleb epci uses cfg_data as a base address for
- * configuration area for epci devices.
- */
-
- return hose->cfg_data;
-}
-
-static void scc_epci_dummy_read(struct pci_controller *hose)
-{
- PCI_IO_ADDR epci_base;
- u32 val;
-
- epci_base = celleb_epci_get_epci_base(hose);
-
- val = in_be32(epci_base + SCC_EPCI_WATRP);
- iosync();
-
- return;
-}
-
-void __init epci_workaround_init(struct pci_controller *hose)
-{
- PCI_IO_ADDR epci_base;
- PCI_IO_ADDR reg;
- struct epci_private *private = hose->private_data;
-
- BUG_ON(!private);
-
- private->dummy_page_da = dma_map_single(hose->parent,
- celleb_dummy_page_va, PAGE_SIZE, DMA_FROM_DEVICE);
- if (private->dummy_page_da == DMA_ERROR_CODE) {
- printk(KERN_ERR "EPCI: dummy read disabled. "
- "Map dummy page failed.\n");
- return;
- }
-
- celleb_pci_add_one(hose, scc_epci_dummy_read);
- epci_base = celleb_epci_get_epci_base(hose);
-
- reg = epci_base + SCC_EPCI_DUMYRADR;
- out_be32(reg, private->dummy_page_da);
-}
-
-static inline void clear_and_disable_master_abort_interrupt(
- struct pci_controller *hose)
-{
- PCI_IO_ADDR epci_base;
- PCI_IO_ADDR reg;
- epci_base = celleb_epci_get_epci_base(hose);
- reg = epci_base + PCI_COMMAND;
- out_be32(reg, in_be32(reg) | (PCI_STATUS_REC_MASTER_ABORT << 16));
-}
-
-static int celleb_epci_check_abort(struct pci_controller *hose,
- PCI_IO_ADDR addr)
-{
- PCI_IO_ADDR reg;
- PCI_IO_ADDR epci_base;
- u32 val;
-
- iob();
- epci_base = celleb_epci_get_epci_base(hose);
-
- reg = epci_base + PCI_COMMAND;
- val = in_be32(reg);
-
- if (val & (PCI_STATUS_REC_MASTER_ABORT << 16)) {
- out_be32(reg,
- (val & 0xffff) | (PCI_STATUS_REC_MASTER_ABORT << 16));
-
- /* clear PCI Controller error, FRE, PMFE */
- reg = epci_base + SCC_EPCI_STATUS;
- out_be32(reg, SCC_EPCI_INT_PAI);
-
- reg = epci_base + SCC_EPCI_VCSR;
- val = in_be32(reg) & 0xffff;
- val |= SCC_EPCI_VCSR_FRE;
- out_be32(reg, val);
-
- reg = epci_base + SCC_EPCI_VISTAT;
- out_be32(reg, SCC_EPCI_VISTAT_PMFE);
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static PCI_IO_ADDR celleb_epci_make_config_addr(
- struct pci_bus *bus,
- struct pci_controller *hose,
- unsigned int devfn, int where)
-{
- PCI_IO_ADDR addr;
-
- if (bus != hose->bus)
- addr = celleb_epci_get_epci_cfg(hose) +
- (((bus->number & 0xff) << 16)
- | ((devfn & 0xff) << 8)
- | (where & 0xff)
- | 0x01000000);
- else
- addr = celleb_epci_get_epci_cfg(hose) +
- (((devfn & 0xff) << 8) | (where & 0xff));
-
- pr_debug("EPCI: config_addr = 0x%p\n", addr);
-
- return addr;
-}
-
-static int celleb_epci_read_config(struct pci_bus *bus,
- unsigned int devfn, int where, int size, u32 *val)
-{
- PCI_IO_ADDR epci_base;
- PCI_IO_ADDR addr;
- struct device_node *node;
- struct pci_controller *hose;
-
- /* allignment check */
- BUG_ON(where % size);
-
- node = (struct device_node *)bus->sysdata;
- hose = pci_find_hose_for_OF_device(node);
-
- if (!celleb_epci_get_epci_cfg(hose))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- if (bus->number == hose->first_busno && devfn == 0) {
- /* EPCI controller self */
-
- epci_base = celleb_epci_get_epci_base(hose);
- addr = epci_base + where;
-
- switch (size) {
- case 1:
- *val = in_8(addr);
- break;
- case 2:
- *val = in_be16(addr);
- break;
- case 4:
- *val = in_be32(addr);
- break;
- default:
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
-
- } else {
-
- clear_and_disable_master_abort_interrupt(hose);
- addr = celleb_epci_make_config_addr(bus, hose, devfn, where);
-
- switch (size) {
- case 1:
- *val = in_8(addr);
- break;
- case 2:
- *val = in_le16(addr);
- break;
- case 4:
- *val = in_le32(addr);
- break;
- default:
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
- }
-
- pr_debug("EPCI: "
- "addr=0x%p, devfn=0x%x, where=0x%x, size=0x%x, val=0x%x\n",
- addr, devfn, where, size, *val);
-
- return celleb_epci_check_abort(hose, NULL);
-}
-
-static int celleb_epci_write_config(struct pci_bus *bus,
- unsigned int devfn, int where, int size, u32 val)
-{
- PCI_IO_ADDR epci_base;
- PCI_IO_ADDR addr;
- struct device_node *node;
- struct pci_controller *hose;
-
- /* allignment check */
- BUG_ON(where % size);
-
- node = (struct device_node *)bus->sysdata;
- hose = pci_find_hose_for_OF_device(node);
-
-
- if (!celleb_epci_get_epci_cfg(hose))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- if (bus->number == hose->first_busno && devfn == 0) {
- /* EPCI controller self */
-
- epci_base = celleb_epci_get_epci_base(hose);
- addr = epci_base + where;
-
- switch (size) {
- case 1:
- out_8(addr, val);
- break;
- case 2:
- out_be16(addr, val);
- break;
- case 4:
- out_be32(addr, val);
- break;
- default:
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
-
- } else {
-
- clear_and_disable_master_abort_interrupt(hose);
- addr = celleb_epci_make_config_addr(bus, hose, devfn, where);
-
- switch (size) {
- case 1:
- out_8(addr, val);
- break;
- case 2:
- out_le16(addr, val);
- break;
- case 4:
- out_le32(addr, val);
- break;
- default:
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
- }
-
- return celleb_epci_check_abort(hose, addr);
-}
-
-struct pci_ops celleb_epci_ops = {
- .read = celleb_epci_read_config,
- .write = celleb_epci_write_config,
-};
-
-/* to be moved in FW */
-static int __init celleb_epci_init(struct pci_controller *hose)
-{
- u32 val;
- PCI_IO_ADDR reg;
- PCI_IO_ADDR epci_base;
- int hwres = 0;
-
- epci_base = celleb_epci_get_epci_base(hose);
-
- /* PCI core reset(Internal bus and PCI clock) */
- reg = epci_base + SCC_EPCI_CKCTRL;
- val = in_be32(reg);
- if (val == 0x00030101)
- hwres = 1;
- else {
- val &= ~(SCC_EPCI_CKCTRL_CRST0 | SCC_EPCI_CKCTRL_CRST1);
- out_be32(reg, val);
-
- /* set PCI core clock */
- val = in_be32(reg);
- val |= (SCC_EPCI_CKCTRL_OCLKEN | SCC_EPCI_CKCTRL_LCLKEN);
- out_be32(reg, val);
-
- /* release PCI core reset (internal bus) */
- val = in_be32(reg);
- val |= SCC_EPCI_CKCTRL_CRST0;
- out_be32(reg, val);
-
- /* set PCI clock select */
- reg = epci_base + SCC_EPCI_CLKRST;
- val = in_be32(reg);
- val &= ~SCC_EPCI_CLKRST_CKS_MASK;
- val |= SCC_EPCI_CLKRST_CKS_2;
- out_be32(reg, val);
-
- /* set arbiter */
- reg = epci_base + SCC_EPCI_ABTSET;
- out_be32(reg, 0x0f1f001f); /* temporary value */
-
- /* buffer on */
- reg = epci_base + SCC_EPCI_CLKRST;
- val = in_be32(reg);
- val |= SCC_EPCI_CLKRST_BC;
- out_be32(reg, val);
-
- /* PCI clock enable */
- val = in_be32(reg);
- val |= SCC_EPCI_CLKRST_PCKEN;
- out_be32(reg, val);
-
- /* release PCI core reset (all) */
- reg = epci_base + SCC_EPCI_CKCTRL;
- val = in_be32(reg);
- val |= (SCC_EPCI_CKCTRL_CRST0 | SCC_EPCI_CKCTRL_CRST1);
- out_be32(reg, val);
-
- /* set base translation registers. (already set by Beat) */
-
- /* set base address masks. (already set by Beat) */
- }
-
- /* release interrupt masks and clear all interrupts */
- reg = epci_base + SCC_EPCI_INTSET;
- out_be32(reg, 0x013f011f); /* all interrupts enable */
- reg = epci_base + SCC_EPCI_VIENAB;
- val = SCC_EPCI_VIENAB_PMPEE | SCC_EPCI_VIENAB_PMFEE;
- out_be32(reg, val);
- reg = epci_base + SCC_EPCI_STATUS;
- out_be32(reg, 0xffffffff);
- reg = epci_base + SCC_EPCI_VISTAT;
- out_be32(reg, 0xffffffff);
-
- /* disable PCI->IB address translation */
- reg = epci_base + SCC_EPCI_VCSR;
- val = in_be32(reg);
- val &= ~(SCC_EPCI_VCSR_DR | SCC_EPCI_VCSR_AT);
- out_be32(reg, val);
-
- /* set base addresses. (no need to set?) */
-
- /* memory space, bus master enable */
- reg = epci_base + PCI_COMMAND;
- val = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
- out_be32(reg, val);
-
- /* endian mode setup */
- reg = epci_base + SCC_EPCI_ECMODE;
- val = 0x00550155;
- out_be32(reg, val);
-
- /* set control option */
- reg = epci_base + SCC_EPCI_CNTOPT;
- val = in_be32(reg);
- val |= SCC_EPCI_CNTOPT_O2PMB;
- out_be32(reg, val);
-
- /* XXX: temporay: set registers for address conversion setup */
- reg = epci_base + SCC_EPCI_CNF10_REG;
- out_be32(reg, 0x80000008);
- reg = epci_base + SCC_EPCI_CNF14_REG;
- out_be32(reg, 0x40000008);
-
- reg = epci_base + SCC_EPCI_BAM0;
- out_be32(reg, 0x80000000);
- reg = epci_base + SCC_EPCI_BAM1;
- out_be32(reg, 0xe0000000);
-
- reg = epci_base + SCC_EPCI_PVBAT;
- out_be32(reg, 0x80000000);
-
- if (!hwres) {
- /* release external PCI reset */
- reg = epci_base + SCC_EPCI_CLKRST;
- val = in_be32(reg);
- val |= SCC_EPCI_CLKRST_PCIRST;
- out_be32(reg, val);
- }
-
- return 0;
-}
-
-int __init celleb_setup_epci(struct device_node *node,
- struct pci_controller *hose)
-{
- struct resource r;
-
- pr_debug("PCI: celleb_setup_epci()\n");
-
- /*
- * Note:
- * Celleb epci uses cfg_addr and cfg_data member of
- * pci_controller structure in irregular way.
- *
- * cfg_addr is used to map for control registers of
- * celleb epci.
- *
- * cfg_data is used for configuration area of devices
- * on Celleb epci buses.
- */
-
- if (of_address_to_resource(node, 0, &r))
- goto error;
- hose->cfg_addr = ioremap(r.start, (r.end - r.start + 1));
- if (!hose->cfg_addr)
- goto error;
- pr_debug("EPCI: cfg_addr map 0x%016lx->0x%016lx + 0x%016lx\n",
- r.start, (unsigned long)hose->cfg_addr,
- (r.end - r.start + 1));
-
- if (of_address_to_resource(node, 2, &r))
- goto error;
- hose->cfg_data = ioremap(r.start, (r.end - r.start + 1));
- if (!hose->cfg_data)
- goto error;
- pr_debug("EPCI: cfg_data map 0x%016lx->0x%016lx + 0x%016lx\n",
- r.start, (unsigned long)hose->cfg_data,
- (r.end - r.start + 1));
-
- hose->private_data = kzalloc(sizeof(struct epci_private), GFP_KERNEL);
- if (hose->private_data == NULL) {
- printk(KERN_ERR "EPCI: no memory for private data.\n");
- goto error;
- }
-
- hose->ops = &celleb_epci_ops;
- celleb_epci_init(hose);
-
- return 0;
-
-error:
- kfree(hose->private_data);
-
- if (hose->cfg_addr)
- iounmap(hose->cfg_addr);
-
- if (hose->cfg_data)
- iounmap(hose->cfg_data);
- return 1;
-}
Index: b/arch/powerpc/platforms/cell/celleb_scc_sio.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ b/arch/powerpc/platforms/cell/celleb_scc_sio.c 2008-03-04 14:00:42.000000000 +0900
@@ -0,0 +1,101 @@
+/*
+ * setup serial port in SCC
+ *
+ * (C) Copyright 2006-2007 TOSHIBA CORPORATION
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/tty.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/console.h>
+
+#include <asm/io.h>
+#include <asm/prom.h>
+
+/* sio irq0=0xb00010022 irq0=0xb00010023 irq2=0xb00010024
+ mmio=0xfff000-0x1000,0xff2000-0x1000 */
+static int txx9_serial_bitmap __initdata;
+
+static struct {
+ uint32_t offset;
+ uint32_t index;
+} txx9_scc_tab[3] __initdata = {
+ { 0x300, 0 }, /* 0xFFF300 */
+ { 0x400, 0 }, /* 0xFFF400 */
+ { 0x800, 1 } /* 0xFF2800 */
+};
+
+static int __init txx9_serial_init(void)
+{
+ extern int early_serial_txx9_setup(struct uart_port *port);
+ struct device_node *node = NULL;
+ int i;
+ struct uart_port req;
+ struct of_irq irq;
+ struct resource res;
+
+ while ((node = of_find_compatible_node(node,
+ "serial", "toshiba,sio-scc")) != NULL) {
+ for (i = 0; i < ARRAY_SIZE(txx9_scc_tab); i++) {
+ if (!(txx9_serial_bitmap & (1<<i)))
+ continue;
+
+ if (of_irq_map_one(node, i, &irq))
+ continue;
+ if (of_address_to_resource(node,
+ txx9_scc_tab[i].index, &res))
+ continue;
+
+ memset(&req, 0, sizeof(req));
+ req.line = i;
+ req.iotype = UPIO_MEM;
+ req.mapbase = res.start + txx9_scc_tab[i].offset;
+#ifdef CONFIG_SERIAL_TXX9_CONSOLE
+ req.membase = ioremap(req.mapbase, 0x24);
+#endif
+ req.irq = irq_create_of_mapping(irq.controller,
+ irq.specifier, irq.size);
+ req.flags |= UPF_IOREMAP | UPF_BUGGY_UART
+ /*HAVE_CTS_LINE*/;
+ req.uartclk = 83300000;
+ early_serial_txx9_setup(&req);
+ }
+ }
+
+ return 0;
+}
+
+static int __init txx9_serial_config(char *ptr)
+{
+ int i;
+
+ for (;;) {
+ switch (get_option(&ptr, &i)) {
+ default:
+ return 0;
+ case 2:
+ txx9_serial_bitmap |= 1 << i;
+ break;
+ case 1:
+ txx9_serial_bitmap |= 1 << i;
+ return 0;
+ }
+ }
+}
+__setup("txx9_serial=", txx9_serial_config);
+
+console_initcall(txx9_serial_init);
Index: b/arch/powerpc/platforms/celleb/scc_sio.c
===================================================================
--- a/arch/powerpc/platforms/celleb/scc_sio.c 2008-03-04 13:57:49.000000000 +0900
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,101 +0,0 @@
-/*
- * setup serial port in SCC
- *
- * (C) Copyright 2006-2007 TOSHIBA CORPORATION
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <linux/tty.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-#include <linux/console.h>
-
-#include <asm/io.h>
-#include <asm/prom.h>
-
-/* sio irq0=0xb00010022 irq0=0xb00010023 irq2=0xb00010024
- mmio=0xfff000-0x1000,0xff2000-0x1000 */
-static int txx9_serial_bitmap __initdata;
-
-static struct {
- uint32_t offset;
- uint32_t index;
-} txx9_scc_tab[3] __initdata = {
- { 0x300, 0 }, /* 0xFFF300 */
- { 0x400, 0 }, /* 0xFFF400 */
- { 0x800, 1 } /* 0xFF2800 */
-};
-
-static int __init txx9_serial_init(void)
-{
- extern int early_serial_txx9_setup(struct uart_port *port);
- struct device_node *node = NULL;
- int i;
- struct uart_port req;
- struct of_irq irq;
- struct resource res;
-
- while ((node = of_find_compatible_node(node,
- "serial", "toshiba,sio-scc")) != NULL) {
- for (i = 0; i < ARRAY_SIZE(txx9_scc_tab); i++) {
- if (!(txx9_serial_bitmap & (1<<i)))
- continue;
-
- if (of_irq_map_one(node, i, &irq))
- continue;
- if (of_address_to_resource(node,
- txx9_scc_tab[i].index, &res))
- continue;
-
- memset(&req, 0, sizeof(req));
- req.line = i;
- req.iotype = UPIO_MEM;
- req.mapbase = res.start + txx9_scc_tab[i].offset;
-#ifdef CONFIG_SERIAL_TXX9_CONSOLE
- req.membase = ioremap(req.mapbase, 0x24);
-#endif
- req.irq = irq_create_of_mapping(irq.controller,
- irq.specifier, irq.size);
- req.flags |= UPF_IOREMAP | UPF_BUGGY_UART
- /*HAVE_CTS_LINE*/;
- req.uartclk = 83300000;
- early_serial_txx9_setup(&req);
- }
- }
-
- return 0;
-}
-
-static int __init txx9_serial_config(char *ptr)
-{
- int i;
-
- for (;;) {
- switch (get_option(&ptr, &i)) {
- default:
- return 0;
- case 2:
- txx9_serial_bitmap |= 1 << i;
- break;
- case 1:
- txx9_serial_bitmap |= 1 << i;
- return 0;
- }
- }
-}
-__setup("txx9_serial=", txx9_serial_config);
-
-console_initcall(txx9_serial_init);
Index: b/arch/powerpc/platforms/celleb/scc_uhc.c
===================================================================
--- a/arch/powerpc/platforms/celleb/scc_uhc.c 2008-03-04 13:57:49.000000000 +0900
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,95 +0,0 @@
-/*
- * SCC (Super Companion Chip) UHC setup
- *
- * (C) Copyright 2006-2007 TOSHIBA CORPORATION
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-
-#include <asm/delay.h>
-#include <asm/io.h>
-#include <asm/machdep.h>
-
-#include "scc.h"
-
-#define UHC_RESET_WAIT_MAX 10000
-
-static inline int uhc_clkctrl_ready(u32 val)
-{
- const u32 mask = SCC_UHC_USBCEN | SCC_UHC_USBCEN;
- return((val & mask) == mask);
-}
-
-/*
- * UHC(usb host controller) enable function.
- * affect to both of OHCI and EHCI core module.
- */
-static void enable_scc_uhc(struct pci_dev *dev)
-{
- void __iomem *uhc_base;
- u32 __iomem *uhc_clkctrl;
- u32 __iomem *uhc_ecmode;
- u32 val = 0;
- int i;
-
- if (!machine_is(celleb_beat) &&
- !machine_is(celleb_native))
- return;
-
- uhc_base = ioremap(pci_resource_start(dev, 0),
- pci_resource_len(dev, 0));
- if (!uhc_base) {
- printk(KERN_ERR "failed to map UHC register base.\n");
- return;
- }
- uhc_clkctrl = uhc_base + SCC_UHC_CKRCTRL;
- uhc_ecmode = uhc_base + SCC_UHC_ECMODE;
-
- /* setup for normal mode */
- val |= SCC_UHC_F48MCKLEN;
- out_be32(uhc_clkctrl, val);
- val |= SCC_UHC_PHY_SUSPEND_SEL;
- out_be32(uhc_clkctrl, val);
- udelay(10);
- val |= SCC_UHC_PHYEN;
- out_be32(uhc_clkctrl, val);
- udelay(50);
-
- /* disable reset */
- val |= SCC_UHC_HCLKEN;
- out_be32(uhc_clkctrl, val);
- val |= (SCC_UHC_USBCEN | SCC_UHC_USBEN);
- out_be32(uhc_clkctrl, val);
- i = 0;
- while (!uhc_clkctrl_ready(in_be32(uhc_clkctrl))) {
- udelay(10);
- if (i++ > UHC_RESET_WAIT_MAX) {
- printk(KERN_ERR "Failed to disable UHC reset %x\n",
- in_be32(uhc_clkctrl));
- break;
- }
- }
-
- /* Endian Conversion Mode for Master ALL area */
- out_be32(uhc_ecmode, SCC_UHC_ECMODE_BY_BYTE);
-
- iounmap(uhc_base);
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TOSHIBA_2,
- PCI_DEVICE_ID_TOSHIBA_SCC_USB, enable_scc_uhc);
Index: b/arch/powerpc/platforms/cell/celleb_scc_uhc.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ b/arch/powerpc/platforms/cell/celleb_scc_uhc.c 2008-03-04 14:00:42.000000000 +0900
@@ -0,0 +1,95 @@
+/*
+ * SCC (Super Companion Chip) UHC setup
+ *
+ * (C) Copyright 2006-2007 TOSHIBA CORPORATION
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+
+#include <asm/delay.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+
+#include "celleb_scc.h"
+
+#define UHC_RESET_WAIT_MAX 10000
+
+static inline int uhc_clkctrl_ready(u32 val)
+{
+ const u32 mask = SCC_UHC_USBCEN | SCC_UHC_USBCEN;
+ return((val & mask) == mask);
+}
+
+/*
+ * UHC(usb host controller) enable function.
+ * affect to both of OHCI and EHCI core module.
+ */
+static void enable_scc_uhc(struct pci_dev *dev)
+{
+ void __iomem *uhc_base;
+ u32 __iomem *uhc_clkctrl;
+ u32 __iomem *uhc_ecmode;
+ u32 val = 0;
+ int i;
+
+ if (!machine_is(celleb_beat) &&
+ !machine_is(celleb_native))
+ return;
+
+ uhc_base = ioremap(pci_resource_start(dev, 0),
+ pci_resource_len(dev, 0));
+ if (!uhc_base) {
+ printk(KERN_ERR "failed to map UHC register base.\n");
+ return;
+ }
+ uhc_clkctrl = uhc_base + SCC_UHC_CKRCTRL;
+ uhc_ecmode = uhc_base + SCC_UHC_ECMODE;
+
+ /* setup for normal mode */
+ val |= SCC_UHC_F48MCKLEN;
+ out_be32(uhc_clkctrl, val);
+ val |= SCC_UHC_PHY_SUSPEND_SEL;
+ out_be32(uhc_clkctrl, val);
+ udelay(10);
+ val |= SCC_UHC_PHYEN;
+ out_be32(uhc_clkctrl, val);
+ udelay(50);
+
+ /* disable reset */
+ val |= SCC_UHC_HCLKEN;
+ out_be32(uhc_clkctrl, val);
+ val |= (SCC_UHC_USBCEN | SCC_UHC_USBEN);
+ out_be32(uhc_clkctrl, val);
+ i = 0;
+ while (!uhc_clkctrl_ready(in_be32(uhc_clkctrl))) {
+ udelay(10);
+ if (i++ > UHC_RESET_WAIT_MAX) {
+ printk(KERN_ERR "Failed to disable UHC reset %x\n",
+ in_be32(uhc_clkctrl));
+ break;
+ }
+ }
+
+ /* Endian Conversion Mode for Master ALL area */
+ out_be32(uhc_ecmode, SCC_UHC_ECMODE_BY_BYTE);
+
+ iounmap(uhc_base);
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TOSHIBA_2,
+ PCI_DEVICE_ID_TOSHIBA_SCC_USB, enable_scc_uhc);
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