Resurrect Cobalt support for 2.6.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index dbd79be..5f2dfcd 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -323,6 +323,7 @@
# Cobalt Server
#
core-$(CONFIG_MIPS_COBALT) += arch/mips/cobalt/
+cflags-$(CONFIG_MIPS_COBALT) += -Iinclude/asm-mips/cobalt
load-$(CONFIG_MIPS_COBALT) += 0xffffffff80080000
#
diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile
index a5e6554..3b6b757 100644
--- a/arch/mips/cobalt/Makefile
+++ b/arch/mips/cobalt/Makefile
@@ -2,6 +2,6 @@
# Makefile for the Cobalt micro systems family specific parts of the kernel
#
-obj-y := irq.o int-handler.o reset.o setup.o promcon.o
+obj-y := irq.o int-handler.o reset.o setup.o
EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/cobalt/int-handler.S b/arch/mips/cobalt/int-handler.S
index 1a21dec..f92608e 100644
--- a/arch/mips/cobalt/int-handler.S
+++ b/arch/mips/cobalt/int-handler.S
@@ -18,8 +18,8 @@
SAVE_ALL
CLI
- la ra, ret_from_irq
- move a1, sp
+ PTR_LA ra, ret_from_irq
+ move a0, sp
j cobalt_irq
END(cobalt_handle_int)
diff --git a/arch/mips/cobalt/irq.c b/arch/mips/cobalt/irq.c
index 6d2a815..0d90851 100644
--- a/arch/mips/cobalt/irq.c
+++ b/arch/mips/cobalt/irq.c
@@ -10,6 +10,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
#include <asm/i8259.h>
#include <asm/irq_cpu.h>
@@ -25,8 +27,8 @@
* the CPU interrupt lines, and ones that come in on the via chip. The CPU
* mappings are:
*
- * 16, - Software interrupt 0 (unused) IE_SW0
- * 17 - Software interrupt 1 (unused) IE_SW0
+ * 16 - Software interrupt 0 (unused) IE_SW0
+ * 17 - Software interrupt 1 (unused) IE_SW1
* 18 - Galileo chip (timer) IE_IRQ0
* 19 - Tulip 0 + NCR SCSI IE_IRQ1
* 20 - Tulip 1 IE_IRQ2
@@ -42,61 +44,94 @@
* 15 - IDE1
*/
-asmlinkage void cobalt_irq(struct pt_regs *regs)
+static inline void galileo_irq(struct pt_regs *regs)
{
- unsigned int pending = read_c0_status() & read_c0_cause();
+ unsigned int mask, pending, devfn;
- if (pending & CAUSEF_IP2) { /* int 18 */
- unsigned long irq_src = GALILEO_INL(GT_INTRCAUSE_OFS);
+ mask = GALILEO_INL(GT_INTRMASK_OFS);
+ pending = GALILEO_INL(GT_INTRCAUSE_OFS) & mask;
- /* Check for timer irq ... */
- if (irq_src & GALILEO_T0EXP) {
- /* Clear the int line */
- GALILEO_OUTL(0, GT_INTRCAUSE_OFS);
- do_IRQ(COBALT_TIMER_IRQ, regs);
- }
- return;
- }
+ if (pending & GALILEO_INTR_T0EXP) {
- if (pending & CAUSEF_IP6) { /* int 22 */
- int irq = i8259_irq();
+ GALILEO_OUTL(~GALILEO_INTR_T0EXP, GT_INTRCAUSE_OFS);
+ do_IRQ(COBALT_GALILEO_IRQ, regs);
- if (irq >= 0)
- do_IRQ(irq, regs);
- return;
- }
+ } else if (pending & GALILEO_INTR_RETRY_CTR) {
- if (pending & CAUSEF_IP3) { /* int 19 */
- do_IRQ(COBALT_ETH0_IRQ, regs);
- return;
- }
+ 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));
- if (pending & CAUSEF_IP4) { /* int 20 */
- do_IRQ(COBALT_ETH1_IRQ, regs);
- return;
- }
+ } else {
- if (pending & CAUSEF_IP5) { /* int 21 */
- do_IRQ(COBALT_SERIAL_IRQ, regs);
- return;
- }
-
- if (pending & CAUSEF_IP7) { /* int 23 */
- do_IRQ(COBALT_QUBE_SLOT_IRQ, regs);
- return;
+ GALILEO_OUTL(mask & ~pending, GT_INTRMASK_OFS);
+ printk(KERN_WARNING "Galileo: masking unexpected interrupt %08x\n", pending);
}
}
+static inline void via_pic_irq(struct pt_regs *regs)
+{
+ int irq;
+
+ irq = i8259_irq();
+ if (irq >= 0)
+ do_IRQ(irq, regs);
+}
+
+asmlinkage void cobalt_irq(struct pt_regs *regs)
+{
+ unsigned pending;
+
+ pending = read_c0_status() & read_c0_cause();
+
+ if (pending & CAUSEF_IP2) /* COBALT_GALILEO_IRQ (18) */
+
+ galileo_irq(regs);
+
+ else if (pending & CAUSEF_IP6) /* COBALT_VIA_IRQ (22) */
+
+ via_pic_irq(regs);
+
+ else if (pending & CAUSEF_IP3) /* COBALT_ETH0_IRQ (19) */
+
+ do_IRQ(COBALT_CPU_IRQ + 3, regs);
+
+ else if (pending & CAUSEF_IP4) /* COBALT_ETH1_IRQ (20) */
+
+ do_IRQ(COBALT_CPU_IRQ + 4, regs);
+
+ else if (pending & CAUSEF_IP5) /* COBALT_SERIAL_IRQ (21) */
+
+ do_IRQ(COBALT_CPU_IRQ + 5, regs);
+
+ else if (pending & CAUSEF_IP7) /* IRQ 23 */
+
+ do_IRQ(COBALT_CPU_IRQ + 7, regs);
+}
+
+static struct irqaction irq_via = {
+ no_action, 0, { { 0, } }, "cascade", NULL, NULL
+};
+
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);
+
set_except_vector(0, cobalt_handle_int);
init_i8259_irqs(); /* 0 ... 15 */
- mips_cpu_irq_init(16); /* 16 ... 23 */
+ mips_cpu_irq_init(COBALT_CPU_IRQ); /* 16 ... 23 */
/*
* Mask all cpu interrupts
* (except IE4, we already masked those at VIA level)
*/
change_c0_status(ST0_IM, IE_IRQ4);
+
+ setup_irq(COBALT_VIA_IRQ, &irq_via);
}
diff --git a/arch/mips/cobalt/promcon.c b/arch/mips/cobalt/promcon.c
deleted file mode 100644
index f03df76..0000000
--- a/arch/mips/cobalt/promcon.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * PROM console for Cobalt Raq2
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1995, 1996, 1997 by Ralf Baechle
- * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
- *
- */
-
-#include <linux/init.h>
-#include <linux/console.h>
-#include <linux/kdev_t.h>
-#include <linux/serial_reg.h>
-
-#include <asm/delay.h>
-#include <asm/serial.h>
-#include <asm/io.h>
-
-static unsigned long port = 0xc800000;
-
-static __inline__ void ns16550_cons_put_char(char ch, unsigned long ioaddr)
-{
- char lsr;
-
- do {
- lsr = inb(ioaddr + UART_LSR);
- } while ((lsr & (UART_LSR_TEMT | UART_LSR_THRE)) != (UART_LSR_TEMT | UART_LSR_THRE));
- outb(ch, ioaddr + UART_TX);
-}
-
-static __inline__ char ns16550_cons_get_char(unsigned long ioaddr)
-{
- while ((inb(ioaddr + UART_LSR) & UART_LSR_DR) == 0)
- udelay(1);
- return inb(ioaddr + UART_RX);
-}
-
-void ns16550_console_write(struct console *co, const char *s, unsigned count)
-{
- char lsr, ier;
- unsigned i;
-
- ier = inb(port + UART_IER);
- outb(0x00, port + UART_IER);
- for (i=0; i < count; i++, s++) {
-
- if(*s == '\n')
- ns16550_cons_put_char('\r', port);
- ns16550_cons_put_char(*s, port);
- }
-
- do {
- lsr = inb(port + UART_LSR);
- } while ((lsr & (UART_LSR_TEMT | UART_LSR_THRE)) != (UART_LSR_TEMT | UART_LSR_THRE));
-
- outb(ier, port + UART_IER);
-}
-
-char getDebugChar(void)
-{
- return ns16550_cons_get_char(port);
-}
-
-void putDebugChar(char kgdb_char)
-{
- ns16550_cons_put_char(kgdb_char, port);
-}
-
-static struct console ns16550_console = {
- .name = "prom",
- .setup = NULL,
- .write = ns16550_console_write,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-static int __init ns16550_setup_console(void)
-{
- register_console(&ns16550_console);
-
- return 0;
-}
-
-console_initcall(ns16550_setup_console);
diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c
index 084c8e5..805a0e8 100644
--- a/arch/mips/cobalt/reset.c
+++ b/arch/mips/cobalt/reset.c
@@ -16,48 +16,45 @@
#include <asm/reboot.h>
#include <asm/system.h>
#include <asm/mipsregs.h>
-
-void cobalt_machine_restart(char *command)
-{
- *(volatile char *)0xbc000000 = 0x0f;
-
- /*
- * Ouch, we're still alive ... This time we take the silver bullet ...
- * ... and find that we leave the hardware in a state in which the
- * kernel in the flush locks up somewhen during of after the PCI
- * detection stuff.
- */
- set_c0_status(ST0_BEV | ST0_ERL);
- change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
- flush_cache_all();
- write_c0_wired(0);
- __asm__ __volatile__(
- "jr\t%0"
- :
- : "r" (0xbfc00000));
-}
-
-extern int led_state;
-#define kLED 0xBC000000
-#define LEDSet(x) (*(volatile unsigned char *) kLED) = (( unsigned char)x)
+#include <asm/cobalt/cobalt.h>
void cobalt_machine_halt(void)
{
- int mark;
+ int state, last, diff;
+ unsigned long mark;
- /* Blink our cute? little LED (number 3)... */
- while (1) {
- led_state = led_state | ( 1 << 3 );
- LEDSet(led_state);
- mark = jiffies;
- while (jiffies<(mark+HZ));
- led_state = led_state & ~( 1 << 3 );
- LEDSet(led_state);
- mark = jiffies;
- while (jiffies<(mark+HZ));
+ /*
+ * turn off bar on Qube, flash power off LED on RaQ (0.5Hz)
+ *
+ * restart if ENTER and SELECT are pressed
+ */
+
+ last = COBALT_KEY_PORT;
+
+ for (state = 0;;) {
+
+ state ^= COBALT_LED_POWER_OFF;
+ COBALT_LED_PORT = state;
+
+ diff = COBALT_KEY_PORT ^ last;
+ last ^= diff;
+
+ if((diff & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)) && !(~last & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)))
+ COBALT_LED_PORT = COBALT_LED_RESET;
+
+ for (mark = jiffies; jiffies - mark < HZ;)
+ ;
}
}
+void cobalt_machine_restart(char *command)
+{
+ COBALT_LED_PORT = COBALT_LED_RESET;
+
+ /* we should never get here */
+ cobalt_machine_halt();
+}
+
/*
* This triggers the luser mode device driver for the power switch ;-)
*/
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
index f8138c1..d358a11 100644
--- a/arch/mips/cobalt/setup.c
+++ b/arch/mips/cobalt/setup.c
@@ -13,6 +13,8 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
#include <asm/bootinfo.h>
#include <asm/time.h>
@@ -21,6 +23,7 @@
#include <asm/processor.h>
#include <asm/reboot.h>
#include <asm/gt64120.h>
+#include <asm/serial.h>
#include <asm/cobalt/cobalt.h>
@@ -30,45 +33,44 @@
int cobalt_board_id;
-static char my_cmdline[CL_SIZE] = {
- "console=ttyS0,115200 "
-#ifdef CONFIG_IP_PNP
- "ip=on "
-#endif
-#ifdef CONFIG_ROOT_NFS
- "root=/dev/nfs "
-#else
- "root=/dev/hda1 "
-#endif
- };
-
const char *get_system_type(void)
{
+ switch (cobalt_board_id) {
+ case COBALT_BRD_ID_QUBE1:
+ return "Cobalt Qube";
+ case COBALT_BRD_ID_RAQ1:
+ return "Cobalt RaQ";
+ case COBALT_BRD_ID_QUBE2:
+ return "Cobalt Qube2";
+ case COBALT_BRD_ID_RAQ2:
+ return "Cobalt RaQ2";
+ }
return "MIPS Cobalt";
}
static void __init cobalt_timer_setup(struct irqaction *irq)
{
- /* Load timer value for 150 Hz */
- GALILEO_OUTL(500000, GT_TC0_OFS);
+ /* Load timer value for 1KHz (TCLK is 50MHz) */
+ GALILEO_OUTL(50*1000*1000 / 1000, GT_TC0_OFS);
- /* Register our timer interrupt */
- setup_irq(COBALT_TIMER_IRQ, irq);
+ /* Enable timer */
+ GALILEO_OUTL(GALILEO_ENTC0 | GALILEO_SELTC0, GT_TC_CONTROL_OFS);
- /* Enable timer ints */
- GALILEO_OUTL((GALILEO_ENTC0 | GALILEO_SELTC0), GT_TC_CONTROL_OFS);
- /* Unmask timer int */
- GALILEO_OUTL(0x100, GT_INTRMASK_OFS);
+ /* Register interrupt */
+ setup_irq(COBALT_GALILEO_IRQ, irq);
+
+ /* Enable interrupt */
+ GALILEO_OUTL(GALILEO_INTR_T0EXP | GALILEO_INL(GT_INTRMASK_OFS), GT_INTRMASK_OFS);
}
extern struct pci_ops gt64111_pci_ops;
static struct resource cobalt_mem_resource = {
- "GT64111 PCI MEM", GT64111_IO_BASE, 0xffffffffUL, IORESOURCE_MEM
+ "PCI memory", GT64111_MEM_BASE, GT64111_MEM_END, IORESOURCE_MEM
};
static struct resource cobalt_io_resource = {
- "GT64111 IO MEM", 0x00001000UL, 0x0fffffffUL, IORESOURCE_IO
+ "PCI I/O", 0x1000, 0xffff, IORESOURCE_IO
};
static struct resource cobalt_io_resources[] = {
@@ -86,11 +88,12 @@
.mem_resource = &cobalt_mem_resource,
.mem_offset = 0,
.io_resource = &cobalt_io_resource,
- .io_offset = 0x00001000UL - GT64111_IO_BASE
+ .io_offset = 0 - GT64111_IO_BASE
};
void __init plat_setup(void)
{
+ static struct uart_port uart;
unsigned int devfn = PCI_DEVFN(COBALT_PCICONF_VIA, 0);
int i;
@@ -100,7 +103,10 @@
board_timer_setup = cobalt_timer_setup;
- set_io_port_base(KSEG1ADDR(GT64111_IO_BASE));
+ set_io_port_base(CKSEG1ADDR(GT64111_IO_BASE));
+
+ /* I/O port resource must include UART and LCD/buttons */
+ ioport_resource.end = 0x0fffffff;
/*
* This is a prom style console. We just poke at the
@@ -120,25 +126,61 @@
cobalt_board_id >>= ((VIA_COBALT_BRD_ID_REG & 3) * 8);
cobalt_board_id = VIA_COBALT_BRD_REG_to_ID(cobalt_board_id);
+ printk("Cobalt board ID: %d\n", cobalt_board_id);
+
#ifdef CONFIG_PCI
register_pci_controller(&cobalt_pci_controller);
#endif
+
+#ifdef CONFIG_SERIAL_8250
+ if (cobalt_board_id > COBALT_BRD_ID_RAQ1) {
+
+ uart.line = 0;
+ uart.type = PORT_UNKNOWN;
+ uart.uartclk = 18432000;
+ uart.irq = COBALT_SERIAL_IRQ;
+ uart.flags = STD_COM_FLAGS;
+ uart.iobase = 0xc800000;
+ uart.iotype = UPIO_PORT;
+
+ early_serial_setup(&uart);
+ }
+#endif
}
/*
* Prom init. We read our one and only communication with the firmware.
- * Grab the amount of installed memory
+ * Grab the amount of installed memory.
+ * Better boot loaders (CoLo) pass a command line too :-)
*/
void __init prom_init(void)
{
- int argc = fw_arg0;
-
- strcpy(arcs_cmdline, my_cmdline);
+ int narg, indx, posn, nchr;
+ unsigned long memsz;
+ char **argv;
mips_machgroup = MACH_GROUP_COBALT;
- add_memory_region(0x0, argc & 0x7fffffff, BOOT_MEM_RAM);
+ memsz = fw_arg0 & 0x7fff0000;
+ narg = fw_arg0 & 0x0000ffff;
+
+ if (narg) {
+ arcs_cmdline[0] = '\0';
+ argv = (char **) fw_arg1;
+ posn = 0;
+ for (indx = 1; indx < narg; ++indx) {
+ nchr = strlen(argv[indx]);
+ if (posn + 1 + nchr + 1 > sizeof(arcs_cmdline))
+ break;
+ if (posn)
+ arcs_cmdline[posn++] = ' ';
+ strcpy(arcs_cmdline + posn, argv[indx]);
+ posn += nchr;
+ }
+ }
+
+ add_memory_region(0x0, memsz, BOOT_MEM_RAM);
}
unsigned long __init prom_free_prom_memory(void)
diff --git a/arch/mips/pci/fixup-cobalt.c b/arch/mips/pci/fixup-cobalt.c
index 57e1ca2..909292f 100644
--- a/arch/mips/pci/fixup-cobalt.c
+++ b/arch/mips/pci/fixup-cobalt.c
@@ -21,6 +21,20 @@
extern int cobalt_board_id;
+static void qube_raq_galileo_early_fixup(struct pci_dev *dev)
+{
+ if (dev->devfn == PCI_DEVFN(0, 0) &&
+ (dev->class >> 8) == PCI_CLASS_MEMORY_OTHER) {
+
+ dev->class = (PCI_CLASS_BRIDGE_HOST << 8) | (dev->class & 0xff);
+
+ printk(KERN_INFO "Galileo: fixed bridge class\n");
+ }
+}
+
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_GT64111,
+ qube_raq_galileo_early_fixup);
+
static void qube_raq_via_bmIDE_fixup(struct pci_dev *dev)
{
unsigned short cfgword;
@@ -48,6 +62,9 @@
{
unsigned short galileo_id;
+ if (dev->devfn != PCI_DEVFN(0, 0))
+ return;
+
/* Fix PCI latency-timer and cache-line-size values in Galileo
* host bridge.
*/
@@ -55,6 +72,13 @@
pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 7);
/*
+ * The code described by the comment below has been removed
+ * as it causes bus mastering by the Ethernet controllers
+ * to break under any kind of network load. We always set
+ * the retry timeouts to their maximum.
+ *
+ * --x--x--x--x--x--x--x--x--x--x--x--x--x--x--x--x--x--x--x--x--
+ *
* On all machines prior to Q2, we had the STOP line disconnected
* from Galileo to VIA on PCI. The new Galileo does not function
* correctly unless we have it connected.
@@ -64,21 +88,43 @@
*/
pci_read_config_word(dev, PCI_REVISION_ID, &galileo_id);
galileo_id &= 0xff; /* mask off class info */
+
+ printk(KERN_INFO "Galileo: revision %u\n", galileo_id);
+
+#if 0
if (galileo_id >= 0x10) {
/* New Galileo, assumes PCI stop line to VIA is connected. */
GALILEO_OUTL(0x4020, GT_PCI0_TOR_OFS);
- } else if (galileo_id == 0x1 || galileo_id == 0x2) {
+ } 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);
/* Old Galileo, assumes PCI STOP line to VIA is disconnected. */
- GALILEO_OUTL(0xffff, GT_PCI0_TOR_OFS);
+ GALILEO_OUTL(
+ (0xff << 16) | /* retry count */
+ (0xff << 8) | /* timeout 1 */
+ 0xff, /* timeout 0 */
+ GT_PCI0_TOR_OFS);
+
+ /* enable PCI retry exceeded interrupt */
+ GALILEO_OUTL(GALILEO_INTR_RETRY_CTR | GALILEO_INL(GT_INTRMASK_OFS), GT_INTRMASK_OFS);
}
}
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GALILEO, PCI_ANY_ID,
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_GT64111,
qube_raq_galileo_fixup);
+static char irq_tab_qube1[] __initdata = {
+ [COBALT_PCICONF_CPU] = 0,
+ [COBALT_PCICONF_ETH0] = COBALT_QUBE1_ETH0_IRQ,
+ [COBALT_PCICONF_RAQSCSI] = COBALT_SCSI_IRQ,
+ [COBALT_PCICONF_VIA] = 0,
+ [COBALT_PCICONF_PCISLOT] = COBALT_QUBE_SLOT_IRQ,
+ [COBALT_PCICONF_ETH1] = 0
+};
+
static char irq_tab_cobalt[] __initdata = {
[COBALT_PCICONF_CPU] = 0,
[COBALT_PCICONF_ETH0] = COBALT_ETH0_IRQ,
@@ -99,6 +145,9 @@
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
+ if (cobalt_board_id < COBALT_BRD_ID_QUBE2)
+ return irq_tab_qube1[slot];
+
if (cobalt_board_id == COBALT_BRD_ID_RAQ2)
return irq_tab_raq2[slot];
diff --git a/arch/mips/pci/ops-gt64111.c b/arch/mips/pci/ops-gt64111.c
index c5b0fc1..c180793 100644
--- a/arch/mips/pci/ops-gt64111.c
+++ b/arch/mips/pci/ops-gt64111.c
@@ -18,15 +18,15 @@
#include <asm/cobalt/cobalt.h>
/*
- * Accessing device 31 hangs the GT64120. Not sure if this will also hang
- * the GT64111, let's be paranoid for now.
+ * Device 31 on the GT64111 is used to generate PCI special
+ * cycles, so we shouldn't expected to find a device there ...
*/
static inline int pci_range_ck(struct pci_bus *bus, unsigned int devfn)
{
- if (bus->number == 0 && devfn == PCI_DEVFN(31, 0))
- return -1;
+ if (bus->number == 0 && PCI_SLOT(devfn) < 31)
+ return 0;
- return 0;
+ return -1;
}
static int gt64111_pci_read_config(struct pci_bus *bus, unsigned int devfn,
diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c
index b771611..29963d8 100644
--- a/drivers/char/lcd.c
+++ b/drivers/char/lcd.c
@@ -575,8 +575,8 @@
static int lcd_waiters = 0;
-static long lcd_read(struct inode *inode, struct file *file, char *buf,
- unsigned long count)
+static ssize_t lcd_read(struct file *file, char *buf,
+ size_t count, loff_t *ofs)
{
long buttons_now;
diff --git a/drivers/char/lcd.h b/drivers/char/lcd.h
index 878a952..a8d4ae7 100644
--- a/drivers/char/lcd.h
+++ b/drivers/char/lcd.h
@@ -22,7 +22,7 @@
#define MAX_IDLE_TIME 120
struct lcd_display {
- unsigned long buttons;
+ unsigned buttons;
int size1;
int size2;
unsigned char line1[LCD_CHARS_PER_LINE];
diff --git a/include/asm-mips/cobalt/cobalt.h b/include/asm-mips/cobalt/cobalt.h
index ca1fbc0..78e1df2 100644
--- a/include/asm-mips/cobalt/cobalt.h
+++ b/include/asm-mips/cobalt/cobalt.h
@@ -19,18 +19,23 @@
* 9 - PCI
* 14 - IDE0
* 15 - IDE1
- *
+ */
+#define COBALT_QUBE_SLOT_IRQ 9
+
+/*
* CPU IRQs are 16 ... 23
*/
-#define COBALT_TIMER_IRQ 18
-#define COBALT_SCC_IRQ 19 /* pre-production has 85C30 */
-#define COBALT_RAQ_SCSI_IRQ 19
-#define COBALT_ETH0_IRQ 19
-#define COBALT_ETH1_IRQ 20
-#define COBALT_SERIAL_IRQ 21
-#define COBALT_SCSI_IRQ 21
-#define COBALT_VIA_IRQ 22 /* Chained to VIA ISA bridge */
-#define COBALT_QUBE_SLOT_IRQ 23
+#define COBALT_CPU_IRQ 16
+
+#define COBALT_GALILEO_IRQ (COBALT_CPU_IRQ + 2)
+#define COBALT_SCC_IRQ (COBALT_CPU_IRQ + 3) /* pre-production has 85C30 */
+#define COBALT_RAQ_SCSI_IRQ (COBALT_CPU_IRQ + 3)
+#define COBALT_ETH0_IRQ (COBALT_CPU_IRQ + 3)
+#define COBALT_QUBE1_ETH0_IRQ (COBALT_CPU_IRQ + 4)
+#define COBALT_ETH1_IRQ (COBALT_CPU_IRQ + 4)
+#define COBALT_SERIAL_IRQ (COBALT_CPU_IRQ + 5)
+#define COBALT_SCSI_IRQ (COBALT_CPU_IRQ + 5)
+#define COBALT_VIA_IRQ (COBALT_CPU_IRQ + 6) /* Chained to VIA ISA bridge */
/*
* PCI configuration space manifest constants. These are wired into
@@ -69,16 +74,21 @@
* 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) (KSEG0 + GT64111_BASE + (unsigned long)(ofs))
+#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) = (port); \
+ *(volatile unsigned int *) GALILEO_REG(port) = (val); \
} while (0)
-#define GALILEO_T0EXP 0x0100
+#define GALILEO_INTR_T0EXP (1 << 8)
+#define GALILEO_INTR_RETRY_CTR (1 << 20)
+
#define GALILEO_ENTC0 0x01
#define GALILEO_SELTC0 0x02
@@ -86,5 +96,21 @@
GALILEO_OUTL((0x80000000 | (PCI_SLOT (devfn) << 11) | \
(PCI_FUNC (devfn) << 8) | (where)), GT_PCI0_CFGADDR_OFS)
+#define COBALT_LED_PORT (*(volatile unsigned char *) CKSEG1ADDR(0x1c000000))
+# define COBALT_LED_BAR_LEFT (1 << 0) /* Qube */
+# define COBALT_LED_BAR_RIGHT (1 << 1) /* Qube */
+# define COBALT_LED_WEB (1 << 2) /* RaQ */
+# define COBALT_LED_POWER_OFF (1 << 3) /* RaQ */
+# define COBALT_LED_RESET 0x0f
+
+#define COBALT_KEY_PORT ((~*(volatile unsigned int *) CKSEG1ADDR(0x1d000000) >> 24) & COBALT_KEY_MASK)
+# define COBALT_KEY_CLEAR (1 << 1)
+# define COBALT_KEY_LEFT (1 << 2)
+# define COBALT_KEY_UP (1 << 3)
+# define COBALT_KEY_DOWN (1 << 4)
+# define COBALT_KEY_RIGHT (1 << 5)
+# define COBALT_KEY_ENTER (1 << 6)
+# define COBALT_KEY_SELECT (1 << 7)
+# define COBALT_KEY_MASK 0xfe
#endif /* __ASM_COBALT_H */
diff --git a/include/asm-mips/cobalt/mach-gt64120.h b/include/asm-mips/cobalt/mach-gt64120.h
new file mode 100644
index 0000000..587fc43
--- /dev/null
+++ b/include/asm-mips/cobalt/mach-gt64120.h
@@ -0,0 +1 @@
+/* there's something here ... in the dark */
diff --git a/include/asm-mips/serial.h b/include/asm-mips/serial.h
index 4eed8e2..780197a 100644
--- a/include/asm-mips/serial.h
+++ b/include/asm-mips/serial.h
@@ -52,16 +52,6 @@
#define JAZZ_SERIAL_PORT_DEFNS
#endif
-#ifdef CONFIG_MIPS_COBALT
-#include <asm/cobalt/cobalt.h>
-#define COBALT_BASE_BAUD (18432000 / 16)
-#define COBALT_SERIAL_PORT_DEFNS \
- /* UART CLK PORT IRQ FLAGS */ \
- { 0, COBALT_BASE_BAUD, 0xc800000, COBALT_SERIAL_IRQ, STD_COM_FLAGS }, /* ttyS0 */
-#else
-#define COBALT_SERIAL_PORT_DEFNS
-#endif
-
/*
* Both Galileo boards have the same UART mappings.
*/
@@ -342,7 +332,6 @@
#endif /* CONFIG_SGI_IP32 */
#define SERIAL_PORT_DFNS \
- COBALT_SERIAL_PORT_DEFNS \
DDB5477_SERIAL_PORT_DEFNS \
EV96100_SERIAL_PORT_DEFNS \
IP32_SERIAL_PORT_DEFNS \