summaryrefslogtreecommitdiffstats
path: root/arch/mips/txx9/rbtx4927
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/txx9/rbtx4927')
-rw-r--r--arch/mips/txx9/rbtx4927/irq.c173
-rw-r--r--arch/mips/txx9/rbtx4927/prom.c7
-rw-r--r--arch/mips/txx9/rbtx4927/setup.c182
3 files changed, 126 insertions, 236 deletions
diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c
index 70f13211bc2..00cd5231da3 100644
--- a/arch/mips/txx9/rbtx4927/irq.c
+++ b/arch/mips/txx9/rbtx4927/irq.c
@@ -27,85 +27,86 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
-IRQ Device
-00 RBTX4927-ISA/00
-01 RBTX4927-ISA/01 PS2/Keyboard
-02 RBTX4927-ISA/02 Cascade RBTX4927-ISA (irqs 8-15)
-03 RBTX4927-ISA/03
-04 RBTX4927-ISA/04
-05 RBTX4927-ISA/05
-06 RBTX4927-ISA/06
-07 RBTX4927-ISA/07
-08 RBTX4927-ISA/08
-09 RBTX4927-ISA/09
-10 RBTX4927-ISA/10
-11 RBTX4927-ISA/11
-12 RBTX4927-ISA/12 PS2/Mouse (not supported at this time)
-13 RBTX4927-ISA/13
-14 RBTX4927-ISA/14 IDE
-15 RBTX4927-ISA/15
-
-16 TX4927-CP0/00 Software 0
-17 TX4927-CP0/01 Software 1
-18 TX4927-CP0/02 Cascade TX4927-CP0
-19 TX4927-CP0/03 Multiplexed -- do not use
-20 TX4927-CP0/04 Multiplexed -- do not use
-21 TX4927-CP0/05 Multiplexed -- do not use
-22 TX4927-CP0/06 Multiplexed -- do not use
-23 TX4927-CP0/07 CPU TIMER
-
-24 TX4927-PIC/00
-25 TX4927-PIC/01
-26 TX4927-PIC/02
-27 TX4927-PIC/03 Cascade RBTX4927-IOC
-28 TX4927-PIC/04
-29 TX4927-PIC/05 RBTX4927 RTL-8019AS ethernet
-30 TX4927-PIC/06
-31 TX4927-PIC/07
-32 TX4927-PIC/08 TX4927 SerialIO Channel 0
-33 TX4927-PIC/09 TX4927 SerialIO Channel 1
-34 TX4927-PIC/10
-35 TX4927-PIC/11
-36 TX4927-PIC/12
-37 TX4927-PIC/13
-38 TX4927-PIC/14
-39 TX4927-PIC/15
-40 TX4927-PIC/16 TX4927 PCI PCI-C
-41 TX4927-PIC/17
-42 TX4927-PIC/18
-43 TX4927-PIC/19
-44 TX4927-PIC/20
-45 TX4927-PIC/21
-46 TX4927-PIC/22 TX4927 PCI PCI-ERR
-47 TX4927-PIC/23 TX4927 PCI PCI-PMA (not used)
-48 TX4927-PIC/24
-49 TX4927-PIC/25
-50 TX4927-PIC/26
-51 TX4927-PIC/27
-52 TX4927-PIC/28
-53 TX4927-PIC/29
-54 TX4927-PIC/30
-55 TX4927-PIC/31
-
-56 RBTX4927-IOC/00 FPCIB0 PCI-D PJ4/A PJ5/B SB/C PJ6/D PJ7/A (SouthBridge/NotUsed) [RTL-8139=PJ4]
-57 RBTX4927-IOC/01 FPCIB0 PCI-C PJ4/D PJ5/A SB/B PJ6/C PJ7/D (SouthBridge/NotUsed) [RTL-8139=PJ5]
-58 RBTX4927-IOC/02 FPCIB0 PCI-B PJ4/C PJ5/D SB/A PJ6/B PJ7/C (SouthBridge/IDE/pin=1,INTR) [RTL-8139=NotSupported]
-59 RBTX4927-IOC/03 FPCIB0 PCI-A PJ4/B PJ5/C SB/D PJ6/A PJ7/B (SouthBridge/USB/pin=4) [RTL-8139=PJ6]
-60 RBTX4927-IOC/04
-61 RBTX4927-IOC/05
-62 RBTX4927-IOC/06
-63 RBTX4927-IOC/07
-
-NOTES:
-SouthBridge/INTR is mapped to SouthBridge/A=PCI-B/#58
-SouthBridge/ISA/pin=0 no pci irq used by this device
-SouthBridge/IDE/pin=1 no pci irq used by this device, using INTR via ISA IRQ14
-SouthBridge/USB/pin=4 using pci irq SouthBridge/D=PCI-A=#59
-SouthBridge/PMC/pin=0 no pci irq used by this device
-SuperIO/PS2/Keyboard, using INTR via ISA IRQ1
-SuperIO/PS2/Mouse, using INTR via ISA IRQ12 (mouse not currently supported)
-JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthBridge, JP4, JP5, JP6
-*/
+ * I8259A_IRQ_BASE+00
+ * I8259A_IRQ_BASE+01 PS2/Keyboard
+ * I8259A_IRQ_BASE+02 Cascade RBTX4927-ISA (irqs 8-15)
+ * I8259A_IRQ_BASE+03
+ * I8259A_IRQ_BASE+04
+ * I8259A_IRQ_BASE+05
+ * I8259A_IRQ_BASE+06
+ * I8259A_IRQ_BASE+07
+ * I8259A_IRQ_BASE+08
+ * I8259A_IRQ_BASE+09
+ * I8259A_IRQ_BASE+10
+ * I8259A_IRQ_BASE+11
+ * I8259A_IRQ_BASE+12 PS2/Mouse (not supported at this time)
+ * I8259A_IRQ_BASE+13
+ * I8259A_IRQ_BASE+14 IDE
+ * I8259A_IRQ_BASE+15
+ *
+ * MIPS_CPU_IRQ_BASE+00 Software 0
+ * MIPS_CPU_IRQ_BASE+01 Software 1
+ * MIPS_CPU_IRQ_BASE+02 Cascade TX4927-CP0
+ * MIPS_CPU_IRQ_BASE+03 Multiplexed -- do not use
+ * MIPS_CPU_IRQ_BASE+04 Multiplexed -- do not use
+ * MIPS_CPU_IRQ_BASE+05 Multiplexed -- do not use
+ * MIPS_CPU_IRQ_BASE+06 Multiplexed -- do not use
+ * MIPS_CPU_IRQ_BASE+07 CPU TIMER
+ *
+ * TXX9_IRQ_BASE+00
+ * TXX9_IRQ_BASE+01
+ * TXX9_IRQ_BASE+02
+ * TXX9_IRQ_BASE+03 Cascade RBTX4927-IOC
+ * TXX9_IRQ_BASE+04
+ * TXX9_IRQ_BASE+05 RBTX4927 RTL-8019AS ethernet
+ * TXX9_IRQ_BASE+06
+ * TXX9_IRQ_BASE+07
+ * TXX9_IRQ_BASE+08 TX4927 SerialIO Channel 0
+ * TXX9_IRQ_BASE+09 TX4927 SerialIO Channel 1
+ * TXX9_IRQ_BASE+10
+ * TXX9_IRQ_BASE+11
+ * TXX9_IRQ_BASE+12
+ * TXX9_IRQ_BASE+13
+ * TXX9_IRQ_BASE+14
+ * TXX9_IRQ_BASE+15
+ * TXX9_IRQ_BASE+16 TX4927 PCI PCI-C
+ * TXX9_IRQ_BASE+17
+ * TXX9_IRQ_BASE+18
+ * TXX9_IRQ_BASE+19
+ * TXX9_IRQ_BASE+20
+ * TXX9_IRQ_BASE+21
+ * TXX9_IRQ_BASE+22 TX4927 PCI PCI-ERR
+ * TXX9_IRQ_BASE+23 TX4927 PCI PCI-PMA (not used)
+ * TXX9_IRQ_BASE+24
+ * TXX9_IRQ_BASE+25
+ * TXX9_IRQ_BASE+26
+ * TXX9_IRQ_BASE+27
+ * TXX9_IRQ_BASE+28
+ * TXX9_IRQ_BASE+29
+ * TXX9_IRQ_BASE+30
+ * TXX9_IRQ_BASE+31
+ *
+ * RBTX4927_IRQ_IOC+00 FPCIB0 PCI-D (SouthBridge)
+ * RBTX4927_IRQ_IOC+01 FPCIB0 PCI-C (SouthBridge)
+ * RBTX4927_IRQ_IOC+02 FPCIB0 PCI-B (SouthBridge/IDE/pin=1,INTR)
+ * RBTX4927_IRQ_IOC+03 FPCIB0 PCI-A (SouthBridge/USB/pin=4)
+ * RBTX4927_IRQ_IOC+04
+ * RBTX4927_IRQ_IOC+05
+ * RBTX4927_IRQ_IOC+06
+ * RBTX4927_IRQ_IOC+07
+ *
+ * NOTES:
+ * SouthBridge/INTR is mapped to SouthBridge/A=PCI-B/#58
+ * SouthBridge/ISA/pin=0 no pci irq used by this device
+ * SouthBridge/IDE/pin=1 no pci irq used by this device, using INTR
+ * via ISA IRQ14
+ * SouthBridge/USB/pin=4 using pci irq SouthBridge/D=PCI-A=#59
+ * SouthBridge/PMC/pin=0 no pci irq used by this device
+ * SuperIO/PS2/Keyboard, using INTR via ISA IRQ1
+ * SuperIO/PS2/Mouse, using INTR via ISA IRQ12 (mouse not currently supported)
+ * JP7 is not bus master -- do NOT use -- only 4 pci bus master's
+ * allowed -- SouthBridge, JP4, JP5, JP6
+ */
#include <linux/init.h>
#include <linux/types.h>
@@ -126,17 +127,15 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
.mask_ack = toshiba_rbtx4927_irq_ioc_disable,
.unmask = toshiba_rbtx4927_irq_ioc_enable,
};
-#define TOSHIBA_RBTX4927_IOC_INTR_ENAB (void __iomem *)0xbc002000UL
-#define TOSHIBA_RBTX4927_IOC_INTR_STAT (void __iomem *)0xbc002006UL
static int toshiba_rbtx4927_irq_nested(int sw_irq)
{
u8 level3;
- level3 = readb(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
+ level3 = readb(rbtx4927_imstat_addr) & 0x1f;
if (level3)
sw_irq = RBTX4927_IRQ_IOC + fls(level3) - 1;
- return (sw_irq);
+ return sw_irq;
}
static void __init toshiba_rbtx4927_irq_ioc_init(void)
@@ -154,18 +153,18 @@ static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq)
{
unsigned char v;
- v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+ v = readb(rbtx4927_imask_addr);
v |= (1 << (irq - RBTX4927_IRQ_IOC));
- writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+ writeb(v, rbtx4927_imask_addr);
}
static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq)
{
unsigned char v;
- v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+ v = readb(rbtx4927_imask_addr);
v &= ~(1 << (irq - RBTX4927_IRQ_IOC));
- writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+ writeb(v, rbtx4927_imask_addr);
mmiowb();
}
diff --git a/arch/mips/txx9/rbtx4927/prom.c b/arch/mips/txx9/rbtx4927/prom.c
index 942e627d2dc..1dc0a5b1956 100644
--- a/arch/mips/txx9/rbtx4927/prom.c
+++ b/arch/mips/txx9/rbtx4927/prom.c
@@ -36,10 +36,7 @@
void __init rbtx4927_prom_init(void)
{
- extern int tx4927_get_mem_size(void);
- int msize;
-
prom_init_cmdline();
- msize = tx4927_get_mem_size();
- add_memory_region(0, msize << 20, BOOT_MEM_RAM);
+ add_memory_region(0, tx4927_get_mem_size(), BOOT_MEM_RAM);
+ txx9_sio_putchar_init(TX4927_SIO_REG(0) & 0xfffffffffULL);
}
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c
index 1657fd935da..0d39bafea79 100644
--- a/arch/mips/txx9/rbtx4927/setup.c
+++ b/arch/mips/txx9/rbtx4927/setup.c
@@ -46,24 +46,14 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <asm/io.h>
-#include <asm/processor.h>
#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/txx9tmr.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/pci.h>
#include <asm/txx9/rbtx4927.h>
#include <asm/txx9/tx4938.h> /* for TX4937 */
-#ifdef CONFIG_SERIAL_TXX9
-#include <linux/serial_core.h>
-#endif
-
-static int tx4927_ccfg_toeon = 1;
#ifdef CONFIG_PCI
static void __init tx4927_pci_setup(void)
@@ -110,6 +100,7 @@ static void __init tx4927_pci_setup(void)
tx4927_report_pciclk();
tx4927_pcic_setup(tx4927_pcicptr, c, extarb);
}
+ tx4927_setup_pcierr_irq();
}
static void __init tx4937_pci_setup(void)
@@ -156,6 +147,7 @@ static void __init tx4937_pci_setup(void)
tx4938_report_pciclk();
tx4927_pcic_setup(tx4938_pcicptr, c, extarb);
}
+ tx4938_setup_pcierr_irq();
}
static void __init rbtx4927_arch_init(void)
@@ -172,138 +164,63 @@ static void __init rbtx4937_arch_init(void)
#define rbtx4937_arch_init NULL
#endif /* CONFIG_PCI */
-static void __noreturn wait_forever(void)
-{
- while (1)
- if (cpu_wait)
- (*cpu_wait)();
-}
-
static void toshiba_rbtx4927_restart(char *command)
{
- printk(KERN_NOTICE "System Rebooting...\n");
-
/* enable the s/w reset register */
- writeb(RBTX4927_SW_RESET_ENABLE_SET, RBTX4927_SW_RESET_ENABLE);
+ writeb(1, rbtx4927_softresetlock_addr);
/* wait for enable to be seen */
- while ((readb(RBTX4927_SW_RESET_ENABLE) &
- RBTX4927_SW_RESET_ENABLE_SET) == 0x00);
+ while (!(readb(rbtx4927_softresetlock_addr) & 1))
+ ;
/* do a s/w reset */
- writeb(RBTX4927_SW_RESET_DO_SET, RBTX4927_SW_RESET_DO);
+ writeb(1, rbtx4927_softreset_addr);
- /* do something passive while waiting for reset */
- local_irq_disable();
- wait_forever();
- /* no return */
+ /* fallback */
+ (*_machine_halt)();
}
-static void toshiba_rbtx4927_halt(void)
-{
- printk(KERN_NOTICE "System Halted\n");
- local_irq_disable();
- wait_forever();
- /* no return */
-}
-
-static void toshiba_rbtx4927_power_off(void)
-{
- toshiba_rbtx4927_halt();
- /* no return */
-}
+static void __init rbtx4927_clock_init(void);
+static void __init rbtx4937_clock_init(void);
static void __init rbtx4927_mem_setup(void)
{
- int i;
u32 cp0_config;
char *argptr;
- /* f/w leaves this on at startup */
- clear_c0_status(ST0_ERL);
-
/* enable caches -- HCP5 does this, pmon does not */
cp0_config = read_c0_config();
cp0_config = cp0_config & ~(TX49_CONF_IC | TX49_CONF_DC);
write_c0_config(cp0_config);
- ioport_resource.end = 0xffffffff;
- iomem_resource.end = 0xffffffff;
+ if (TX4927_REV_PCODE() == 0x4927) {
+ rbtx4927_clock_init();
+ tx4927_setup();
+ } else {
+ rbtx4937_clock_init();
+ tx4938_setup();
+ }
_machine_restart = toshiba_rbtx4927_restart;
- _machine_halt = toshiba_rbtx4927_halt;
- pm_power_off = toshiba_rbtx4927_power_off;
-
- for (i = 0; i < TX4927_NR_TMR; i++)
- txx9_tmr_init(TX4927_TMR_REG(0) & 0xfffffffffULL);
#ifdef CONFIG_PCI
txx9_alloc_pci_controller(&txx9_primary_pcic,
RBTX4927_PCIMEM, RBTX4927_PCIMEM_SIZE,
RBTX4927_PCIIO, RBTX4927_PCIIO_SIZE);
+ txx9_board_pcibios_setup = tx4927_pcibios_setup;
#else
set_io_port_base(KSEG1 + RBTX4927_ISA_IO_OFFSET);
#endif
- /* CCFG */
- /* do reset on watchdog */
- tx4927_ccfg_set(TX4927_CCFG_WR);
- /* enable Timeout BusError */
- if (tx4927_ccfg_toeon)
- tx4927_ccfg_set(TX4927_CCFG_TOE);
-
-#ifdef CONFIG_SERIAL_TXX9
- {
- extern int early_serial_txx9_setup(struct uart_port *port);
- struct uart_port req;
- for(i = 0; i < 2; i++) {
- memset(&req, 0, sizeof(req));
- req.line = i;
- req.iotype = UPIO_MEM;
- req.membase = (char *)(0xff1ff300 + i * 0x100);
- req.mapbase = 0xff1ff300 + i * 0x100;
- req.irq = TXX9_IRQ_BASE + TX4927_IR_SIO(i);
- req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
- req.uartclk = 50000000;
- early_serial_txx9_setup(&req);
- }
- }
+ tx4927_sio_init(0, 0);
#ifdef CONFIG_SERIAL_TXX9_CONSOLE
- argptr = prom_getcmdline();
- if (strstr(argptr, "console=") == NULL) {
- strcat(argptr, " console=ttyS0,38400");
- }
-#endif
-#endif
-
-#ifdef CONFIG_ROOT_NFS
- argptr = prom_getcmdline();
- if (strstr(argptr, "root=") == NULL) {
- strcat(argptr, " root=/dev/nfs rw");
- }
-#endif
-
-#ifdef CONFIG_IP_PNP
- argptr = prom_getcmdline();
- if (strstr(argptr, "ip=") == NULL) {
- strcat(argptr, " ip=any");
- }
+ argptr = prom_getcmdline();
+ if (!strstr(argptr, "console="))
+ strcat(argptr, " console=ttyS0,38400");
#endif
}
-static void __init rbtx49x7_common_time_init(void)
-{
- /* change default value to udelay/mdelay take reasonable time */
- loops_per_jiffy = txx9_cpu_clock / HZ / 2;
-
- mips_hpt_frequency = txx9_cpu_clock / 2;
- if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_TINTDIS)
- txx9_clockevent_init(TX4927_TMR_REG(0) & 0xfffffffffULL,
- TXX9_IRQ_BASE + 17,
- 50000000);
-}
-
-static void __init rbtx4927_time_init(void)
+static void __init rbtx4927_clock_init(void)
{
/*
* ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz.
@@ -325,11 +242,9 @@ static void __init rbtx4927_time_init(void)
default:
txx9_cpu_clock = 200000000; /* 200MHz */
}
-
- rbtx49x7_common_time_init();
}
-static void __init rbtx4937_time_init(void)
+static void __init rbtx4937_clock_init(void)
{
/*
* ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz.
@@ -357,25 +272,26 @@ static void __init rbtx4937_time_init(void)
default:
txx9_cpu_clock = 333333333; /* 333MHz */
}
+}
- rbtx49x7_common_time_init();
+static void __init rbtx4927_time_init(void)
+{
+ tx4927_time_init(0);
}
-static int __init toshiba_rbtx4927_rtc_init(void)
+static void __init toshiba_rbtx4927_rtc_init(void)
{
- static struct resource __initdata res = {
- .start = 0x1c010000,
- .end = 0x1c010000 + 0x800 - 1,
+ struct resource res = {
+ .start = RBTX4927_BRAMRTC_BASE - IO_BASE,
+ .end = RBTX4927_BRAMRTC_BASE - IO_BASE + 0x800 - 1,
.flags = IORESOURCE_MEM,
};
- struct platform_device *dev =
- platform_device_register_simple("rtc-ds1742", -1, &res, 1);
- return IS_ERR(dev) ? PTR_ERR(dev) : 0;
+ platform_device_register_simple("rtc-ds1742", -1, &res, 1);
}
-static int __init rbtx4927_ne_init(void)
+static void __init rbtx4927_ne_init(void)
{
- static struct resource __initdata res[] = {
+ struct resource res[] = {
{
.start = RBTX4927_RTL_8019_BASE,
.end = RBTX4927_RTL_8019_BASE + 0x20 - 1,
@@ -385,36 +301,14 @@ static int __init rbtx4927_ne_init(void)
.flags = IORESOURCE_IRQ,
}
};
- struct platform_device *dev =
- platform_device_register_simple("ne", -1,
- res, ARRAY_SIZE(res));
- return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-
-/* Watchdog support */
-
-static int __init txx9_wdt_init(unsigned long base)
-{
- struct resource res = {
- .start = base,
- .end = base + 0x100 - 1,
- .flags = IORESOURCE_MEM,
- };
- struct platform_device *dev =
- platform_device_register_simple("txx9wdt", -1, &res, 1);
- return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-
-static int __init rbtx4927_wdt_init(void)
-{
- return txx9_wdt_init(TX4927_TMR_REG(2) & 0xfffffffffULL);
+ platform_device_register_simple("ne", -1, res, ARRAY_SIZE(res));
}
static void __init rbtx4927_device_init(void)
{
toshiba_rbtx4927_rtc_init();
rbtx4927_ne_init();
- rbtx4927_wdt_init();
+ tx4927_wdt_init();
}
struct txx9_board_vec rbtx4927_vec __initdata = {
@@ -434,7 +328,7 @@ struct txx9_board_vec rbtx4937_vec __initdata = {
.prom_init = rbtx4927_prom_init,
.mem_setup = rbtx4927_mem_setup,
.irq_setup = rbtx4927_irq_setup,
- .time_init = rbtx4937_time_init,
+ .time_init = rbtx4927_time_init,
.device_init = rbtx4927_device_init,
.arch_init = rbtx4937_arch_init,
#ifdef CONFIG_PCI
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-26 14:29:27 +0000