Commit 56ae5833 authored by Yoichi Yuasa's avatar Yoichi Yuasa Committed by Ralf Baechle
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[MIPS] Rewrite GALILEO_INL/GALILEO_OUTL to GT_READ/GT_WRITE



This patch has rewritten GALILEO_INL/GALILEO_OUTL using GT_READ/GT_WRITE.
This patch tested on Cobalt Qube2.
Signed-off-by: default avatarYoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 4e3884fc
......@@ -45,25 +45,22 @@ static inline void galileo_irq(void)
{
unsigned int mask, pending, devfn;
mask = GALILEO_INL(GT_INTRMASK_OFS);
pending = GALILEO_INL(GT_INTRCAUSE_OFS) & mask;
mask = GT_READ(GT_INTRMASK_OFS);
pending = GT_READ(GT_INTRCAUSE_OFS) & mask;
if (pending & GALILEO_INTR_T0EXP) {
GALILEO_OUTL(~GALILEO_INTR_T0EXP, GT_INTRCAUSE_OFS);
if (pending & GT_INTR_T0EXP_MSK) {
GT_WRITE(GT_INTRCAUSE_OFS, ~GT_INTR_T0EXP_MSK);
do_IRQ(COBALT_GALILEO_IRQ);
} else if (pending & GALILEO_INTR_RETRY_CTR) {
devfn = GALILEO_INL(GT_PCI0_CFGADDR_OFS) >> 8;
GALILEO_OUTL(~GALILEO_INTR_RETRY_CTR, GT_INTRCAUSE_OFS);
printk(KERN_WARNING "Galileo: PCI retry count exceeded (%02x.%u)\n",
PCI_SLOT(devfn), PCI_FUNC(devfn));
} else if (pending & GT_INTR_RETRYCTR0_MSK) {
devfn = GT_READ(GT_PCI0_CFGADDR_OFS) >> 8;
GT_WRITE(GT_INTRCAUSE_OFS, ~GT_INTR_RETRYCTR0_MSK);
printk(KERN_WARNING
"Galileo: PCI retry count exceeded (%02x.%u)\n",
PCI_SLOT(devfn), PCI_FUNC(devfn));
} else {
GALILEO_OUTL(mask & ~pending, GT_INTRMASK_OFS);
printk(KERN_WARNING "Galileo: masking unexpected interrupt %08x\n", pending);
GT_WRITE(GT_INTRMASK_OFS, mask & ~pending);
printk(KERN_WARNING
"Galileo: masking unexpected interrupt %08x\n", pending);
}
}
......@@ -104,7 +101,7 @@ void __init arch_init_irq(void)
* Mask all Galileo interrupts. The Galileo
* handler is set in cobalt_timer_setup()
*/
GALILEO_OUTL(0, GT_INTRMASK_OFS);
GT_WRITE(GT_INTRMASK_OFS, 0);
init_i8259_irqs(); /* 0 ... 15 */
mips_cpu_irq_init(COBALT_CPU_IRQ); /* 16 ... 23 */
......
......@@ -51,23 +51,23 @@ const char *get_system_type(void)
void __init plat_timer_setup(struct irqaction *irq)
{
/* Load timer value for HZ (TCLK is 50MHz) */
GALILEO_OUTL(50*1000*1000 / HZ, GT_TC0_OFS);
GT_WRITE(GT_TC0_OFS, 50*1000*1000 / HZ);
/* Enable timer */
GALILEO_OUTL(GALILEO_ENTC0 | GALILEO_SELTC0, GT_TC_CONTROL_OFS);
GT_WRITE(GT_TC_CONTROL_OFS, GT_TC_CONTROL_ENTC0_MSK | GT_TC_CONTROL_SELTC0_MSK);
/* Register interrupt */
setup_irq(COBALT_GALILEO_IRQ, irq);
/* Enable interrupt */
GALILEO_OUTL(GALILEO_INTR_T0EXP | GALILEO_INL(GT_INTRMASK_OFS), GT_INTRMASK_OFS);
GT_WRITE(GT_INTRMASK_OFS, GT_INTR_T0EXP_MSK | GT_READ(GT_INTRMASK_OFS));
}
extern struct pci_ops gt64111_pci_ops;
static struct resource cobalt_mem_resource = {
.start = GT64111_MEM_BASE,
.end = GT64111_MEM_END,
.start = GT_DEF_PCI0_MEM0_BASE,
.end = GT_DEF_PCI0_MEM0_BASE + GT_DEF_PCI0_MEM0_SIZE - 1,
.name = "PCI memory",
.flags = IORESOURCE_MEM
};
......@@ -115,7 +115,7 @@ static struct pci_controller cobalt_pci_controller = {
.mem_resource = &cobalt_mem_resource,
.mem_offset = 0,
.io_resource = &cobalt_io_resource,
.io_offset = 0 - GT64111_IO_BASE
.io_offset = 0 - GT_DEF_PCI0_IO_BASE,
};
void __init plat_mem_setup(void)
......@@ -128,7 +128,7 @@ void __init plat_mem_setup(void)
_machine_halt = cobalt_machine_halt;
pm_power_off = cobalt_machine_power_off;
set_io_port_base(CKSEG1ADDR(GT64111_IO_BASE));
set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));
/* I/O port resource must include UART and LCD/buttons */
ioport_resource.end = 0x0fffffff;
......@@ -139,7 +139,7 @@ void __init plat_mem_setup(void)
/* Read the cobalt id register out of the PCI config space */
PCI_CFG_SET(devfn, (VIA_COBALT_BRD_ID_REG & ~0x3));
cobalt_board_id = GALILEO_INL(GT_PCI0_CFGDATA_OFS);
cobalt_board_id = GT_READ(GT_PCI0_CFGDATA_OFS);
cobalt_board_id >>= ((VIA_COBALT_BRD_ID_REG & 3) * 8);
cobalt_board_id = VIA_COBALT_BRD_REG_to_ID(cobalt_board_id);
......
......@@ -94,22 +94,21 @@ static void qube_raq_galileo_fixup(struct pci_dev *dev)
#if 0
if (galileo_id >= 0x10) {
/* New Galileo, assumes PCI stop line to VIA is connected. */
GALILEO_OUTL(0x4020, GT_PCI0_TOR_OFS);
GT_WRITE(GT_PCI0_TOR_OFS, 0x4020);
} else if (galileo_id == 0x1 || galileo_id == 0x2)
#endif
{
signed int timeo;
/* XXX WE MUST DO THIS ELSE GALILEO LOCKS UP! -DaveM */
timeo = GALILEO_INL(GT_PCI0_TOR_OFS);
timeo = GT_READ(GT_PCI0_TOR_OFS);
/* Old Galileo, assumes PCI STOP line to VIA is disconnected. */
GALILEO_OUTL(
GT_WRITE(GT_PCI0_TOR_OFS,
(0xff << 16) | /* retry count */
(0xff << 8) | /* timeout 1 */
0xff, /* timeout 0 */
GT_PCI0_TOR_OFS);
0xff); /* timeout 0 */
/* enable PCI retry exceeded interrupt */
GALILEO_OUTL(GALILEO_INTR_RETRY_CTR | GALILEO_INL(GT_INTRMASK_OFS), GT_INTRMASK_OFS);
GT_WRITE(GT_INTRMASK_OFS, GT_INTR_RETRYCTR0_MSK | GT_READ(GT_INTRMASK_OFS));
}
}
......
......@@ -38,18 +38,18 @@ static int gt64111_pci_read_config(struct pci_bus *bus, unsigned int devfn,
switch (size) {
case 4:
PCI_CFG_SET(devfn, where);
*val = GALILEO_INL(GT_PCI0_CFGDATA_OFS);
*val = GT_READ(GT_PCI0_CFGDATA_OFS);
return PCIBIOS_SUCCESSFUL;
case 2:
PCI_CFG_SET(devfn, (where & ~0x3));
*val = GALILEO_INL(GT_PCI0_CFGDATA_OFS)
*val = GT_READ(GT_PCI0_CFGDATA_OFS)
>> ((where & 3) * 8);
return PCIBIOS_SUCCESSFUL;
case 1:
PCI_CFG_SET(devfn, (where & ~0x3));
*val = GALILEO_INL(GT_PCI0_CFGDATA_OFS)
*val = GT_READ(GT_PCI0_CFGDATA_OFS)
>> ((where & 3) * 8);
return PCIBIOS_SUCCESSFUL;
}
......@@ -68,25 +68,25 @@ static int gt64111_pci_write_config(struct pci_bus *bus, unsigned int devfn,
switch (size) {
case 4:
PCI_CFG_SET(devfn, where);
GALILEO_OUTL(val, GT_PCI0_CFGDATA_OFS);
GT_WRITE(GT_PCI0_CFGDATA_OFS, val);
return PCIBIOS_SUCCESSFUL;
case 2:
PCI_CFG_SET(devfn, (where & ~0x3));
tmp = GALILEO_INL(GT_PCI0_CFGDATA_OFS);
tmp = GT_READ(GT_PCI0_CFGDATA_OFS);
tmp &= ~(0xffff << ((where & 0x3) * 8));
tmp |= (val << ((where & 0x3) * 8));
GALILEO_OUTL(tmp, GT_PCI0_CFGDATA_OFS);
GT_WRITE(GT_PCI0_CFGDATA_OFS, tmp);
return PCIBIOS_SUCCESSFUL;
case 1:
PCI_CFG_SET(devfn, (where & ~0x3));
tmp = GALILEO_INL(GT_PCI0_CFGDATA_OFS);
tmp = GT_READ(GT_PCI0_CFGDATA_OFS);
tmp &= ~(0xff << ((where & 0x3) * 8));
tmp |= (val << ((where & 0x3) * 8));
GALILEO_OUTL(tmp, GT_PCI0_CFGDATA_OFS);
GT_WRITE(GT_PCI0_CFGDATA_OFS, tmp);
return PCIBIOS_SUCCESSFUL;
}
......
......@@ -451,6 +451,13 @@
#define GT_SDRAM_OPMODE_OP_MODE 3
#define GT_SDRAM_OPMODE_OP_CBR 4
#define GT_TC_CONTROL_ENTC0_SHF 0
#define GT_TC_CONTROL_ENTC0_MSK (MSK(1) << GT_TC_CONTROL_ENTC0_SHF)
#define GT_TC_CONTROL_ENTC0_BIT GT_TC_CONTROL_ENTC0_MSK
#define GT_TC_CONTROL_SELTC0_SHF 1
#define GT_TC_CONTROL_SELTC0_MSK (MSK(1) << GT_TC_CONTROL_SELTC0_SHF)
#define GT_TC_CONTROL_SELTC0_BIT GT_TC_CONTROL_SELTC0_MSK
#define GT_PCI0_BARE_SWSCS3BOOTDIS_SHF 0
#define GT_PCI0_BARE_SWSCS3BOOTDIS_MSK (MSK(1) << GT_PCI0_BARE_SWSCS3BOOTDIS_SHF)
......@@ -523,6 +530,13 @@
#define GT_PCI0_CMD_SWORDSWAP_MSK (MSK(1) << GT_PCI0_CMD_SWORDSWAP_SHF)
#define GT_PCI0_CMD_SWORDSWAP_BIT GT_PCI0_CMD_SWORDSWAP_MSK
#define GT_INTR_T0EXP_SHF 8
#define GT_INTR_T0EXP_MSK (MSK(1) << GT_INTR_T0EXP_SHF)
#define GT_INTR_T0EXP_BIT GT_INTR_T0EXP_MSK
#define GT_INTR_RETRYCTR0_SHF 20
#define GT_INTR_RETRYCTR0_MSK (MSK(1) << GT_INTR_RETRYCTR0_SHF)
#define GT_INTR_RETRYCTR0_BIT GT_INTR_RETRYCTR0_MSK
/*
* Misc
*/
......
......@@ -67,34 +67,9 @@
#define COBALT_BRD_ID_QUBE2 0x5
#define COBALT_BRD_ID_RAQ2 0x6
/*
* Galileo chipset access macros for the Cobalt. The base address for
* the GT64111 chip is 0x14000000
*
* Most of this really should go into a separate GT64111 header file.
*/
#define GT64111_IO_BASE 0x10000000UL
#define GT64111_IO_END 0x11ffffffUL
#define GT64111_MEM_BASE 0x12000000UL
#define GT64111_MEM_END 0x13ffffffUL
#define GT64111_BASE 0x14000000UL
#define GALILEO_REG(ofs) CKSEG1ADDR(GT64111_BASE + (unsigned long)(ofs))
#define GALILEO_INL(port) (*(volatile unsigned int *) GALILEO_REG(port))
#define GALILEO_OUTL(val, port) \
do { \
*(volatile unsigned int *) GALILEO_REG(port) = (val); \
} while (0)
#define GALILEO_INTR_T0EXP (1 << 8)
#define GALILEO_INTR_RETRY_CTR (1 << 20)
#define GALILEO_ENTC0 0x01
#define GALILEO_SELTC0 0x02
#define PCI_CFG_SET(devfn,where) \
GALILEO_OUTL((0x80000000 | (PCI_SLOT (devfn) << 11) | \
(PCI_FUNC (devfn) << 8) | (where)), GT_PCI0_CFGADDR_OFS)
GT_WRITE(GT_PCI0_CFGADDR_OFS, (0x80000000 | (PCI_SLOT (devfn) << 11) | \
(PCI_FUNC (devfn) << 8) | (where)))
#define COBALT_LED_PORT (*(volatile unsigned char *) CKSEG1ADDR(0x1c000000))
# define COBALT_LED_BAR_LEFT (1 << 0) /* Qube */
......
/* there's something here ... in the dark */
/*
* Copyright (C) 2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* 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 _COBALT_MACH_GT64120_H
#define _COBALT_MACH_GT64120_H
/*
* Cobalt uses GT64111. GT64111 is almost the same as GT64120.
*/
#define GT64120_BASE CKSEG1ADDR(GT_DEF_BASE)
#endif /* _COBALT_MACH_GT64120_H */
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