Skip to content

L
linux
Commit 99b31e61 authored by Tom Rini's avatar Tom Rini
Browse files
Options

PPC32: Update the Motorola Sandpoint support. 

This removes support for the X2 version of the board,
and has a number of cleanups and enhancements.
parent f4e7c1c1
Show whitespace changes
Inline Side-by-side
Showing with 778 additions and 268 deletions
arch/ppc/Kconfig
View file @ 99b31e61
......@@ -473,6 +473,10 @@ config PRPMC800
config SANDPOINT
bool "Motorola-Sandpoint"
help
Select SANDPOINT if configuring for a Motorola Sandpoint X3
or X3(b).
X3 (any flavor).
config ADIR
bool "SBS-Adirondack"
......@@ -500,6 +504,11 @@ config PPC_CHRP
depends on PPC_MULTIPLATFORM
default y
config PPC_GEN550
bool
depends on SANDPOINT
default y
config PPC_PMAC
bool
depends on PPC_MULTIPLATFORM
......@@ -515,10 +524,6 @@ config PPC_OF
depends on PPC_PMAC || PPC_CHRP
default y
config SANDPOINT_X3
bool "Sandpoint X3"
depends on SANDPOINT
config FORCE
bool
depends on 6xx && !8260 && (PCORE || POWERPMC250)
......@@ -526,7 +531,7 @@ config FORCE
config EPIC_SERIAL_MODE
bool
depends on 6xx && !8260 && (LOPEC || SANDPOINT_X3)
depends on 6xx && !8260 && (LOPEC || SANDPOINT)
default y
config WILLOW
......
arch/ppc/configs/sandpoint_defconfig
View file @ 99b31e61
......@@ -68,7 +68,7 @@ CONFIG_SANDPOINT=y
# CONFIG_PAL4 is not set
# CONFIG_GEMINI is not set
# CONFIG_ZX4500 is not set
CONFIG_SANDPOINT_X3=y
CONFIG_PPC_GEN550=y
CONFIG_EPIC_SERIAL_MODE=y
# CONFIG_MPC10X_STORE_GATHERING is not set
# CONFIG_SMP is not set
......@@ -84,8 +84,8 @@ CONFIG_ALTIVEC=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
# CONFIG_PCI_LEGACY_PROC is not set
# CONFIG_PCI_NAMES is not set
......@@ -117,6 +117,11 @@ CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0x80000000
CONFIG_BOOT_LOAD=0x00800000
#
# Generic Driver Options
#
# CONFIG_FW_LOADER is not set
#
# Memory Technology Devices (MTD)
#
......@@ -147,7 +152,7 @@ CONFIG_BLK_DEV_INITRD=y
# CONFIG_MD is not set
#
# ATA/IDE/MFM/RLL support
# ATA/ATAPI/MFM/RLL support
#
CONFIG_IDE=y
......@@ -166,6 +171,7 @@ CONFIG_BLK_DEV_IDEDISK=y
CONFIG_BLK_DEV_IDECD=y
# CONFIG_BLK_DEV_IDEFLOPPY is not set
# CONFIG_IDE_TASK_IOCTL is not set
CONFIG_IDE_TASKFILE_IO=y
#
# IDE chipset support/bugfixes
......@@ -173,7 +179,7 @@ CONFIG_BLK_DEV_IDECD=y
# CONFIG_BLK_DEV_IDEPCI is not set
#
# SCSI support
# SCSI device support
#
# CONFIG_SCSI is not set
......@@ -292,6 +298,7 @@ CONFIG_NET_PCI=y
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
# CONFIG_B44 is not set
# CONFIG_TC35815 is not set
# CONFIG_DGRS is not set
# CONFIG_EEPRO100 is not set
CONFIG_E100=y
......@@ -412,11 +419,6 @@ CONFIG_FONT_8x16=y
#
# CONFIG_LOGO is not set
#
# Old CD-ROM drivers (not SCSI, not IDE)
#
# CONFIG_CD_NO_IDESCSI is not set
#
# Input device support
#
......@@ -443,6 +445,7 @@ CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
# CONFIG_SERIO_SERPORT is not set
# CONFIG_SERIO_CT82C710 is not set
# CONFIG_SERIO_PCIPS2 is not set
#
# Input Device Drivers
......@@ -731,6 +734,7 @@ CONFIG_USB_SE401=m
#
# USB Network adaptors
#
# CONFIG_USB_AX8817X is not set
# CONFIG_USB_CATC is not set
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
......
arch/ppc/platforms/Makefile
View file @ 99b31e61
......@@ -43,7 +43,7 @@ obj-$(CONFIG_POWERPMC250) += powerpmc250.o
obj-$(CONFIG_PPLUS) += pplus_pci.o pplus_setup.o
obj-$(CONFIG_PRPMC750) += prpmc750_setup.o prpmc750_pci.o
obj-$(CONFIG_PRPMC800) += prpmc800_setup.o prpmc800_pci.o
obj-$(CONFIG_SANDPOINT) += sandpoint_setup.o sandpoint_pci.o
obj-$(CONFIG_SANDPOINT) += sandpoint.o
obj-$(CONFIG_SPRUCE) += spruce_setup.o spruce_pci.o
obj-$(CONFIG_ZX4500) += zx4500_setup.o zx4500_pci.o
......
arch/ppc/platforms/sandpoint_setup.c → arch/ppc/platforms/sandpoint.c
View file @ 99b31e61
......@@ -6,7 +6,7 @@
* Author: Mark A. Greer
* mgreer@mvista.com
*
* 2000-2002 (c) MontaVista, Software, Inc. This file is licensed under
* 2000-2003 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
......@@ -54,7 +54,19 @@
* 7 Winbond INTC (IDE interrupt)
* 8 Winbond INTD (IDE interrupt)
*
*
* Motorola has finally released a version of DINK32 that correctly
* (seemingly) initalizes the memory controller correctly, regardless
* of the amount of memory in the system. Once a method of determining
* what version of DINK initializes the system for us, if applicable, is
* found, we can hopefully stop hardcoding 32MB of RAM.
*
* It is important to note that this code only supports the Sandpoint X3
* (all flavors) platform, and it does not support the X2 anymore. Code
* that at one time worked on the X2 can be found at:
* ftp://source.mvista.com/pub/linuxppc/obsolete/sandpoint/
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
......@@ -71,6 +83,9 @@
#include <linux/ide.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <linux/serial.h>
#include <linux/tty.h> /* for linux/serial_core.h */
#include <linux/serial_core.h>
#include <asm/system.h>
#include <asm/pgtable.h>
......@@ -91,59 +106,186 @@
#include "sandpoint.h"
extern u_int openpic_irq(void);
extern void openpic_eoi(void);
extern void gen550_progress(char *, unsigned short);
extern void gen550_init(int, struct uart_port *);
static void sandpoint_halt(void);
unsigned char __res[sizeof(bd_t)];
static void sandpoint_halt(void);
/*
* *** IMPORTANT ***
*
* The first 16 entries of 'sandpoint_openpic_initsenses[]' are there and
* initialized to 0 on purpose. DO NOT REMOVE THEM as the 'offset' parameter
* of 'openpic_init()' does not work for the sandpoint because the 8259
* interrupt is NOT routed to the EPIC's IRQ 0 AND the EPIC's IRQ 0's offset is
* the same as a normal openpic's IRQ 16 offset.
* Define all of the IRQ senses and polarities. Taken from the
* Sandpoint X3 User's manual.
*/
static u_char sandpoint_openpic_initsenses[] __initdata = {
0, /* 0-15 not used by EPCI but by 8259 (std PC-type IRQs) */
0, /* 1 */
0, /* 2 */
0, /* 3 */
0, /* 4 */
0, /* 5 */
0, /* 6 */
0, /* 7 */
0, /* 8 */
0, /* 9 */
0, /* 10 */
0, /* 11 */
0, /* 12 */
0, /* 13 */
0, /* 14 */
0, /* 15 */
#ifdef CONFIG_SANDPOINT_X3
1, /* 16: EPIC IRQ 0: Active Low -- SIOINT (8259) */
0, /* AACK! Shouldn't need this.....see sandpoint_pci.c for more info */
1, /* 17: EPIC IRQ 1: Active Low -- PCI Slot 1 */
1, /* 18: EPIC IRQ 2: Active Low -- PCI Slot 2 */
1, /* 19: EPIC IRQ 3: Active Low -- PCI Slot 3 */
1, /* 20: EPIC IRQ 4: Active Low -- PCI Slot 4 */
0, /* 21 -- Unused */
0, /* 22 -- Unused */
1, /* 23 -- IDE (Winbond INT C) */
1, /* 24 -- IDE (Winbond INT D) */
/* 35 - 31 (EPIC 9 - 15) Unused */
#else
1, /* 16: EPIC IRQ 0: Active Low -- PCI intrs */
1, /* 17: EPIC IRQ 1: Active Low -- PCI (possibly 8259) intrs */
1, /* 18: EPIC IRQ 2: Active Low -- PCI (possibly 8259) intrs */
1 /* 19: EPIC IRQ 3: Active Low -- PCI intrs */
/* 20: EPIC IRQ 4: Not used */
#endif
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 0: SIOINT */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 2: PCI Slot 1 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 3: PCI Slot 2 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 4: PCI Slot 3 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 5: PCI Slot 4 */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 8: IDE (INT C) */
(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE) /* 9: IDE (INT D) */
};
/*
* Motorola SPS Sandpoint interrupt routing.
*/
static inline int
sandpoint_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{ 16, 0, 0, 0 }, /* IDSEL 11 - i8259 on Winbond */
{ 0, 0, 0, 0 }, /* IDSEL 12 - unused */
{ 18, 21, 20, 19 }, /* IDSEL 13 - PCI slot 1 */
{ 19, 18, 21, 20 }, /* IDSEL 14 - PCI slot 2 */
{ 20, 19, 18, 21 }, /* IDSEL 15 - PCI slot 3 */
{ 21, 20, 19, 18 }, /* IDSEL 16 - PCI slot 4 */
};
const long min_idsel = 11, max_idsel = 16, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
static void __init
sandpoint_setup_winbond_83553(struct pci_controller *hose)
{
int devfn;
/*
* Route IDE interrupts directly to the 8259's IRQ 14 & 15.
* We can't route the IDE interrupt to PCI INTC# or INTD# because those
* woule interfere with the PMC's INTC# and INTD# lines.
*/
/*
* Winbond Fcn 0
*/
devfn = PCI_DEVFN(11,0);
early_write_config_byte(hose,
0,
devfn,
0x43, /* IDE Interrupt Routing Control */
0xef);
early_write_config_word(hose,
0,
devfn,
0x44, /* PCI Interrupt Routing Control */
0x0000);
/* Want ISA memory cycles to be forwarded to PCI bus */
early_write_config_byte(hose,
0,
devfn,
0x48, /* ISA-to-PCI Addr Decoder Control */
0xf0);
/* Enable RTC and Keyboard address locations. */
early_write_config_byte(hose,
0,
devfn,
0x4d, /* Chip Select Control Register */
0x00);
/* Enable Port 92. */
early_write_config_byte(hose,
0,
devfn,
0x4e, /* AT System Control Register */
0x06);
/*
* Winbond Fcn 1
*/
devfn = PCI_DEVFN(11,1);
/* Put IDE controller into native mode. */
early_write_config_byte(hose,
0,
devfn,
0x09, /* Programming interface Register */
0x8f);
/* Init IRQ routing, enable both ports, disable fast 16 */
early_write_config_dword(hose,
0,
devfn,
0x40, /* IDE Control/Status Register */
0x00ff0011);
return;
}
static void __init
sandpoint_find_bridges(void)
{
struct pci_controller *hose;
hose = pcibios_alloc_controller();
if (!hose)
return;
hose->first_busno = 0;
hose->last_busno = 0xff;
if (mpc10x_bridge_init(hose,
MPC10X_MEM_MAP_B,
MPC10X_MEM_MAP_B,
MPC10X_MAPB_EUMB_BASE) == 0) {
/* Do early winbond init, then scan PCI bus */
sandpoint_setup_winbond_83553(hose);
hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
ppc_md.pcibios_fixup = NULL;
ppc_md.pcibios_fixup_bus = NULL;
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = sandpoint_map_irq;
}
else {
if (ppc_md.progress)
ppc_md.progress("Bridge init failed", 0x100);
printk("Host bridge init failed\n");
}
return;
}
#if defined(CONFIG_SERIAL_8250) && \
(defined(CONFIG_KGDB) || defined(CONFIG_SERIAL_TEXT_DEBUG))
static void __init
sandpoint_early_serial_map(void)
{
struct uart_port serial_req;
/* Setup serial port access */
memset(&serial_req, 0, sizeof(serial_req));
serial_req.uartclk = UART_CLK;
serial_req.irq = 4;
serial_req.flags = STD_COM_FLAGS;
serial_req.iotype = SERIAL_IO_MEM;
serial_req.membase = (u_char *)SANDPOINT_SERIAL_0;
gen550_init(0, &serial_req);
if (early_serial_setup(&serial_req) != 0)
printk(KERN_ERR "Early serial init of port 0 failed\n");
/* Assume early_serial_setup() doesn't modify serial_req */
serial_req.line = 1;
serial_req.irq = 3; /* XXXX */
serial_req.membase = (u_char *)SANDPOINT_SERIAL_1;
gen550_init(1, &serial_req);
if (early_serial_setup(&serial_req) != 0)
printk(KERN_ERR "Early serial init of port 1 failed\n");
}
#endif
static void __init
sandpoint_setup_arch(void)
{
......@@ -167,24 +309,29 @@ sandpoint_setup_arch(void)
conswitchp = &dummy_con;
#endif
printk("Motorola SPS Sandpoint Test Platform\n");
printk("Sandpoint port (MontaVista Software, Inc. (source@mvista.com))\n");
printk(KERN_INFO "Motorola SPS Sandpoint Test Platform\n");
printk(KERN_INFO "Port by MontaVista Software, Inc. (source@mvista.com)\n");
/* The Sandpoint rom doesn't enable any caches. Do that now.
* The 7450 portion will also set up the L3s once I get enough
* information do do so. If the processor running doesn't have
* and L2, the _set_L2CR is a no-op.
*/
if (cur_cpu_spec[0]->cpu_features & CPU_FTR_SPEC7450) {
/* Just enable L2, the bits are different from others.
/* DINK32 12.3 and below do not correctly enable any caches.
* We will do this now with good known values. Future versions
* of DINK32 are supposed to get this correct.
*/
if (cur_cpu_spec[0]->cpu_features & CPU_FTR_SPEC7450)
/* 745x is different. We only want to pass along enable. */
_set_L2CR(L2CR_L2E);
}
else {
/* The magic number for Sandpoint/74xx PrPMCs.
else if (cur_cpu_spec[0]->cpu_features & CPU_FTR_L2CR)
/* All modules have 1MB of L2. We also assume that an
* L2 divisor of 3 will work.
*/
_set_L2CR(0xbd014000);
_set_L2CR(L2CR_L2E | L2CR_L2SIZ_1MB | L2CR_L2CLK_DIV3
| L2CR_L2RAM_PIPE | L2CR_L2OH_1_0 | L2CR_L2DF);
#if 0
/* Untested right now. */
if (cur_cpu_spec[0]->cpu_features & CPU_FTR_L3CR) {
/* Magic value. */
_set_L3CR(0x8f032000);
}
#endif
}
#define SANDPOINT_87308_CFG_ADDR 0x15c
......@@ -212,7 +359,7 @@ sandpoint_setup_arch(void)
/*
* Initialize the ISA devices on the Nat'l PC87308VUL SuperIO chip.
*/
static void __init
static int __init
sandpoint_setup_natl_87308(void)
{
u_char reg;
......@@ -239,29 +386,29 @@ sandpoint_setup_natl_87308(void)
outb(reg, SIO_CONFIG_RD);
outb(reg, SIO_CONFIG_RD); /* Have to write twice to change! */
return;
return 0;
}
arch_initcall(sandpoint_setup_natl_87308);
/*
* Fix IDE interrupts.
*/
static void __init
static int __init
sandpoint_fix_winbond_83553(void)
{
/* Make all 8259 interrupt level sensitive */
outb(0xf8, 0x4d0);
outb(0xde, 0x4d1);
return;
return 0;
}
static void __init
sandpoint_init2(void)
{
/* Do Sandpoint board specific initialization. */
sandpoint_fix_winbond_83553();
sandpoint_setup_natl_87308();
arch_initcall(sandpoint_fix_winbond_83553);
static int __init
sandpoint_request_io(void)
{
request_region(0x00,0x20,"dma1");
request_region(0x20,0x20,"pic1");
request_region(0x40,0x20,"timer");
......@@ -269,110 +416,77 @@ sandpoint_init2(void)
request_region(0xa0,0x20,"pic2");
request_region(0xc0,0x20,"dma2");
return;
return 0;
}
arch_initcall(sandpoint_request_io);
/*
* Interrupt setup and service. Interrrupts on the Sandpoint come
* from the four PCI slots plus the 8259 in the Winbond Super I/O (SIO).
* These interrupts are sent to one of four IRQs on the EPIC.
* The SIO shares its interrupt with either slot 2 or slot 3 (INTA#).
* Slot numbering is confusing. Sometimes in the documentation they
* use 0,1,2,3 and others 1,2,3,4. We will use slots 1,2,3,4 and
* map this to IRQ 16, 17, 18, 19.
* For Sandpoint X3, this has been better designed. The 8259 is
* cascaded from EPIC IRQ0, IRQ1-4 map to PCI slots 1-4, IDE is on
* EPIC 7 and 8.
* The 8259 is cascaded from EPIC IRQ0, IRQ1-4 map to PCI slots 1-4,
* IDE is on EPIC 7 and 8.
*/
static void __init
sandpoint_init_IRQ(void)
{
int i;
/*
* 3 things cause us to jump through some hoops:
* 1) the EPIC on the 8240 & 107 are not full-blown openpic pic's
* 2) the 8259 is NOT cascaded on the openpic IRQ 0
* 3) the 8259 shares its interrupt line with some PCI interrupts.
*
* What we'll do is set up the 8259 to be level sensitive, active low
* just like a PCI device. Then, when an interrupt on the IRQ that is
* shared with the 8259 comes in, we'll take a peek at the 8259 to see
* it its generating an interrupt. If it is, we'll handle the 8259
* interrupt. Otherwise, we'll handle it just like a normal PCI
* interrupt. This does give the 8259 interrupts a higher priority
* than the EPIC ones--hopefully, not a problem.
*/
OpenPIC_InitSenses = sandpoint_openpic_initsenses;
OpenPIC_NumInitSenses = sizeof(sandpoint_openpic_initsenses);
openpic_init(1, 0, NULL, -1);
/*
* We need to tell openpic_set_sources where things actually are.
* mpc10x_common will setup OpenPIC_Addr at ioremap(EUMB phys base +
* EPIC offset (0x40000)); The EPIC IRQ Register Address Map -
* Interrupt Source Configuration Registers gives these numbers
* as offsets starting at 0x50200, we need to adjust occordinly.
*/
/* Map serial interrupts 0-15 */
openpic_set_sources(0, 16, OpenPIC_Addr + 0x10200);
openpic_init(NUM_8259_INTERRUPTS);
/*
* openpic_init() has set up irq_desc[0-23] to be openpic
* interrupts. We need to set irq_desc[0-15] to be 8259 interrupts.
* We then need to request and enable the 8259 irq.
* openpic_init() has set up irq_desc[16-31] to be openpic
* interrupts. We need to set irq_desc[0-15] to be i8259
* interrupts.
*/
for(i=0; i < NUM_8259_INTERRUPTS; i++)
irq_desc[i].handler = &i8259_pic;
if (request_irq(SANDPOINT_SIO_IRQ, no_action, SA_INTERRUPT,
"8259 cascade to EPIC", NULL)) {
printk("Unable to get OpenPIC IRQ %d for cascade\n",
SANDPOINT_SIO_IRQ);
}
i8259_init(NULL);
}
static int
sandpoint_get_irq(struct pt_regs *regs)
{
int irq, cascade_irq;
irq = openpic_irq();
if (irq == SANDPOINT_SIO_IRQ) {
cascade_irq = i8259_irq(regs);
if (cascade_irq != -1) {
irq = cascade_irq;
openpic_eoi();
}
}
else if (irq == OPENPIC_VEC_SPURIOUS) {
irq = -1;
}
return irq;
/*
* The EPIC allows for a read in the range of 0xFEF00000 ->
* 0xFEFFFFFF to generate a PCI interrupt-acknowledge transaction.
*/
i8259_init(0xfef00000);
}
static u32
sandpoint_irq_canonicalize(u32 irq)
{
if (irq == 2)
{
return 9;
}
else
{
return irq;
}
}
static ulong __init
static unsigned long __init
sandpoint_find_end_of_memory(void)
{
ulong size = 0;
bd_t *bp = (bd_t *)__res;
if (bp->bi_memsize)
return bp->bi_memsize;
#if 0 /* Leave out until DINK sets mem ctlr correctly */
size = mpc10x_get_mem_size(MPC10X_MEM_MAP_B);
/* DINK32 13.0 correctly initalizes things, so iff you use
* this you _should_ be able to change this instead of a
* hardcoded value. */
#if 0
return mpc10x_get_mem_size(MPC10X_MEM_MAP_B);
#else
size = 32*1024*1024;
return 32*1024*1024;
#endif
return size;
}
static void __init
......@@ -381,9 +495,6 @@ sandpoint_map_io(void)
io_block_mapping(0xfe000000, 0xfe000000, 0x02000000, _PAGE_IO);
}
/*
* Due to Sandpoint X2 errata, the Port 92 will not work.
*/
static void
sandpoint_restart(char *cmd)
{
......@@ -416,14 +527,8 @@ sandpoint_halt(void)
static int
sandpoint_show_cpuinfo(struct seq_file *m)
{
uint pvid;
pvid = mfspr(PVR);
seq_printf(m, "vendor\t\t: Motorola SPS\n");
seq_printf(m, "machine\t\t: Sandpoint\n");
seq_printf(m, "processor\t: PVID: 0x%x, vendor: %s\n",
pvid, (pvid & (1<<15) ? "IBM" : "Motorola"));
return 0;
}
......@@ -441,10 +546,9 @@ static void
sandpoint_ide_probe(void)
{
struct pci_dev *pdev = pci_find_device(PCI_VENDOR_ID_WINBOND,
PCI_DEVICE_ID_WINBOND_82C105,
NULL);
PCI_DEVICE_ID_WINBOND_82C105, NULL);
if(pdev) {
if (pdev) {
sandpoint_ide_regbase[0]=pdev->resource[0].start;
sandpoint_ide_regbase[1]=pdev->resource[2].start;
sandpoint_ide_ctl_regbase[0]=pdev->resource[1].start;
......@@ -453,7 +557,6 @@ sandpoint_ide_probe(void)
}
sandpoint_ide_ports_known = 1;
return;
}
static int
......@@ -513,8 +616,6 @@ sandpoint_ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
if (irq != NULL) {
*irq = hw->irq;
}
return;
}
#endif
......@@ -525,9 +626,6 @@ static __inline__ void
sandpoint_set_bat(void)
{
unsigned long bat3u, bat3l;
static int mapping_set = 0;
if (!mapping_set) {
__asm__ __volatile__(
" lis %0,0xf800\n \
......@@ -538,50 +636,8 @@ sandpoint_set_bat(void)
isync\n \
sync "
: "=r" (bat3u), "=r" (bat3l));
mapping_set = 1;
}
return;
}
#ifdef CONFIG_SERIAL_TEXT_DEBUG
#include <linux/serialP.h>
#include <linux/serial_reg.h>
#include <asm/serial.h>
static struct serial_state rs_table[RS_TABLE_SIZE] = {
SERIAL_PORT_DFNS /* Defined in <asm/serial.h> */
};
static void
sandpoint_progress(char *s, unsigned short hex)
{
volatile char c;
volatile unsigned long com_port;
u16 shift;
com_port = rs_table[0].port;
shift = rs_table[0].iomem_reg_shift;
while ((c = *s++) != 0) {
while ((*((volatile unsigned char *)com_port +
(UART_LSR << shift)) & UART_LSR_THRE) == 0)
;
*(volatile unsigned char *)com_port = c;
if (c == '\n') {
while ((*((volatile unsigned char *)com_port +
(UART_LSR << shift)) & UART_LSR_THRE) == 0)
;
*(volatile unsigned char *)com_port = '\r';
}
}
}
#endif /* CONFIG_SERIAL_TEXT_DEBUG */
__init void sandpoint_setup_pci_ptrs(void);
TODC_ALLOC();
void __init
......@@ -590,6 +646,31 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
{
parse_bootinfo(find_bootinfo());
/* ASSUMPTION: If both r3 (bd_t pointer) and r6 (cmdline pointer)
* are non-zero, then we should use the board info from the bd_t
* structure and the cmdline pointed to by r6 instead of the
* information from birecs, if any. Otherwise, use the information
* from birecs as discovered by the preceeding call to
* parse_bootinfo(). This rule should work with both PPCBoot, which
* uses a bd_t board info structure, and the kernel boot wrapper,
* which uses birecs.
*/
if (r3 && r6) {
/* copy board info structure */
memcpy( (void *)__res,(void *)(r3+KERNELBASE), sizeof(bd_t) );
/* copy command line */
*(char *)(r7+KERNELBASE) = 0;
strcpy(cmd_line, (char *)(r6+KERNELBASE));
}
#ifdef CONFIG_BLK_DEV_INITRD
/* take care of initrd if we have one */
if (r4) {
initrd_start = r4 + KERNELBASE;
initrd_end = r5 + KERNELBASE;
}
#endif /* CONFIG_BLK_DEV_INITRD */
/* Map in board regs, etc. */
sandpoint_set_bat();
......@@ -604,8 +685,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
ppc_md.show_cpuinfo = sandpoint_show_cpuinfo;
ppc_md.irq_canonicalize = sandpoint_irq_canonicalize;
ppc_md.init_IRQ = sandpoint_init_IRQ;
ppc_md.get_irq = sandpoint_get_irq;
ppc_md.init = sandpoint_init2;
ppc_md.get_irq = openpic_get_irq;
ppc_md.restart = sandpoint_restart;
ppc_md.power_off = sandpoint_power_off;
......@@ -623,21 +703,17 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
ppc_md.nvram_read_val = todc_mc146818_read_val;
ppc_md.nvram_write_val = todc_mc146818_write_val;
ppc_md.heartbeat = NULL;
ppc_md.heartbeat_reset = 0;
ppc_md.heartbeat_count = 0;
#if defined(CONFIG_SERIAL_8250) && \
(defined(CONFIG_KGDB) || defined(CONFIG_SERIAL_TEXT_DEBUG))
sandpoint_early_serial_map();
#ifdef CONFIG_SERIAL_TEXT_DEBUG
ppc_md.progress = sandpoint_progress;
#else /* !CONFIG_SERIAL_TEXT_DEBUG */
ppc_md.progress = NULL;
#endif /* CONFIG_SERIAL_TEXT_DEBUG */
ppc_md.progress = gen550_progress;
#endif
#endif
#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
ppc_ide_md.default_irq = sandpoint_ide_default_irq;
ppc_ide_md.default_io_base = sandpoint_ide_default_io_base;
ppc_ide_md.ide_init_hwif = sandpoint_ide_init_hwif_ports;
#endif
return;
}
arch/ppc/platforms/sandpoint.h
View file @ 99b31e61
......@@ -6,7 +6,7 @@
* Author: Mark A. Greer
* mgreer@mvista.com
*
* 2000-2001 (c) MontaVista, Software, Inc. This file is licensed under
* 2000-2003 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
......@@ -19,8 +19,8 @@
#ifndef __PPC_PLATFORMS_SANDPOINT_H
#define __PPC_PLATFORMS_SANDPOINT_H
#ifdef CONFIG_SANDPOINT_X3
#define SANDPOINT_SIO_SLOT 0 /* Cascaded from EPIC IRQ 0 */
#include <asm/ppcboot.h>
#if 0
/* The Sandpoint X3 allows the IDE interrupt to be directly connected
* from the Windbond (PCI INTC or INTD) to the serial EPIC. Someday
......@@ -34,20 +34,6 @@
#define SANDPOINT_IDE_INT0 14 /* 8259 Test */
#define SANDPOINT_IDE_INT1 15 /* 8259 Test */
#endif
#else
/*
* Define the PCI slot that the 8259 is sharing interrupts with.
* Valid values are 1 (PCI slot 2) and 2 (PCI slot 3).
*/
#define SANDPOINT_SIO_SLOT 1
/* ...and for the IDE from the 8259....
*/
#define SANDPOINT_IDE_INT0 14
#define SANDPOINT_IDE_INT1 15
#endif
#define SANDPOINT_SIO_IRQ (SANDPOINT_SIO_SLOT + NUM_8259_INTERRUPTS)
/*
* The sandpoint boards have processor modules that either have an 8240 or
......@@ -62,7 +48,33 @@
*/
#define SANDPOINT_HOST_BRIDGE_IDSEL 12
/*
* Serial defines.
*/
#define SANDPOINT_SERIAL_0 0xfe0003f8
#define SANDPOINT_SERIAL_1 0xfe0002f8
#define RS_TABLE_SIZE 2
/* Rate for the 1.8432 Mhz clock for the onboard serial chip */
#define BASE_BAUD ( 1843200 / 16 )
#define UART_CLK 1843200
#ifdef CONFIG_SERIAL_DETECT_IRQ
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST|ASYNC_AUTO_IRQ)
#else
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST)
#endif
#define STD_SERIAL_PORT_DFNS \
{ 0, BASE_BAUD, SANDPOINT_SERIAL_0, 4, STD_COM_FLAGS, /* ttyS0 */ \
iomem_base: (u8 *)SANDPOINT_SERIAL_0, \
io_type: SERIAL_IO_MEM }, \
{ 0, BASE_BAUD, SANDPOINT_SERIAL_1, 3, STD_COM_FLAGS, /* ttyS1 */ \
iomem_base: (u8 *)SANDPOINT_SERIAL_1, \
io_type: SERIAL_IO_MEM },
void sandpoint_find_bridges(void);
#define SERIAL_PORT_DFNS \
STD_SERIAL_PORT_DFNS
#endif /* __PPC_PLATFORMS_SANDPOINT_H */
arch/ppc/platforms/sandpoint_pci.c deleted 100644 → 0
View file @ f4e7c1c1
/*
* arch/ppc/platforms/sandpoint_pci.c
*
* PCI setup routines for the Motorola SPS Sandpoint Test Platform
*
* Author: Mark A. Greer
* mgreer@mvista.com
*
* 2000-2001 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/mpc10x.h>
#include "sandpoint.h"
/*
* Motorola SPS Sandpoint interrupt routing.
*/
static inline int
sandpoint_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{ SANDPOINT_SIO_IRQ,
0, 0, 0 }, /* IDSEL 11 - i8259 on Winbond */
{ 0, 0, 0, 0 }, /* IDSEL 12 - unused */
#ifdef CONFIG_SANDPOINT_X3
#if 0 /* This is what it _should_ look like -- Dan */
{ 17, 20, 19, 18 }, /* IDSEL 13 - PCI slot 1 */
{ 18, 17, 20, 19 }, /* IDSEL 14 - PCI slot 2 */
{ 19, 18, 17, 20 }, /* IDSEL 15 - PCI slot 3 */
{ 20, 19, 18, 17 }, /* IDSEL 16 - PCI slot 4 */
#else
{ 18, 21, 20, 19 }, /* IDSEL 13 - PCI slot 1 */
{ 19, 18, 21, 20 }, /* IDSEL 14 - PCI slot 2 */
{ 20, 19, 18, 21 }, /* IDSEL 15 - PCI slot 3 */
{ 21, 20, 19, 18 }, /* IDSEL 16 - PCI slot 4 */
#endif
#else
{ 16, 19, 18, 17 }, /* IDSEL 13 - PCI slot 1 */
{ 17, 16, 19, 18 }, /* IDSEL 14 - PCI slot 2 */
{ 18, 17, 16, 19 }, /* IDSEL 15 - PCI slot 3 */
{ 19, 18, 17, 16 }, /* IDSEL 16 - PCI slot 4 */
#endif
};
const long min_idsel = 11, max_idsel = 16, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
static void __init
sandpoint_setup_winbond_83553(struct pci_controller *hose)
{
int devfn;
/*
* Route IDE interrupts directly to the 8259's IRQ 14 & 15.
* We can't route the IDE interrupt to PCI INTC# or INTD# because those
* woule interfere with the PMC's INTC# and INTD# lines.
*/
/*
* Winbond Fcn 0
*/
devfn = PCI_DEVFN(11,0);
early_write_config_byte(hose,
0,
devfn,
0x43, /* IDE Interrupt Routing Control */
0xef);
early_write_config_word(hose,
0,
devfn,
0x44, /* PCI Interrupt Routing Control */
0x0000);
/* Want ISA memory cycles to be forwarded to PCI bus */
early_write_config_byte(hose,
0,
devfn,
0x48, /* ISA-to-PCI Addr Decoder Control */
0xf0);
/* Enable RTC and Keyboard address locations. */
early_write_config_byte(hose,
0,
devfn,
0x4d, /* Chip Select Control Register */
0x00);
/* Enable Port 92. */
early_write_config_byte(hose,
0,
devfn,
0x4e, /* AT System Control Register */
0x06);
/*
* Winbond Fcn 1
*/
devfn = PCI_DEVFN(11,1);
/* Put IDE controller into native mode. */
early_write_config_byte(hose,
0,
devfn,
0x09, /* Programming interface Register */
0x8f);
/* Init IRQ routing, enable both ports, disable fast 16 */
early_write_config_dword(hose,
0,
devfn,
0x40, /* IDE Control/Status Register */
0x00ff0011);
return;
}
static int
sandpoint_exclude_device(u_char bus, u_char devfn)
{
if ((bus == 0) && (PCI_SLOT(devfn) == SANDPOINT_HOST_BRIDGE_IDSEL)) {
return PCIBIOS_DEVICE_NOT_FOUND;
}
else {
return PCIBIOS_SUCCESSFUL;
}
}
void __init
sandpoint_find_bridges(void)
{
struct pci_controller *hose;
hose = pcibios_alloc_controller();
if (!hose)
return;
hose->first_busno = 0;
hose->last_busno = 0xff;
if (mpc10x_bridge_init(hose,
MPC10X_MEM_MAP_B,
MPC10X_MEM_MAP_B,
MPC10X_MAPB_EUMB_BASE) == 0) {
/* Do early winbond init, then scan PCI bus */
sandpoint_setup_winbond_83553(hose);
ppc_md.pci_exclude_device = sandpoint_exclude_device;
hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
ppc_md.pcibios_fixup = NULL;
ppc_md.pcibios_fixup_bus = NULL;
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = sandpoint_map_irq;
}
else {
if (ppc_md.progress)
ppc_md.progress("Bridge init failed", 0x100);
printk("Host bridge init failed\n");
}
return;
}
arch/ppc/platforms/sandpoint_serial.h deleted 100644 → 0
View file @ f4e7c1c1
/*
* include/asm-ppc/sandpoint_serial.h
*
* Definitions for Motorola SPS Sandpoint Test Platform
*
* Author: Mark A. Greer
* mgreer@mvista.com
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#ifndef __ASMPPC_SANDPOINT_SERIAL_H
#define __ASMPPC_SANDPOINT_SERIAL_H
#include <linux/config.h>
#define SANDPOINT_SERIAL_0 0xfe0003f8
#define SANDPOINT_SERIAL_1 0xfe0002f8
#ifdef CONFIG_SERIAL_MANY_PORTS
#define RS_TABLE_SIZE 64
#else
#define RS_TABLE_SIZE 2
#endif
/* Rate for the 1.8432 Mhz clock for the onboard serial chip */
#define BASE_BAUD ( 1843200 / 16 )
#ifdef CONFIG_SERIAL_DETECT_IRQ
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST|ASYNC_AUTO_IRQ)
#else
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST)
#endif
#define STD_SERIAL_PORT_DFNS \
{ 0, BASE_BAUD, SANDPOINT_SERIAL_0, 4, STD_COM_FLAGS, /* ttyS0 */ \
iomem_base: (u8 *)SANDPOINT_SERIAL_0, \
io_type: SERIAL_IO_MEM }, \
{ 0, BASE_BAUD, SANDPOINT_SERIAL_1, 3, STD_COM_FLAGS, /* ttyS1 */ \
iomem_base: (u8 *)SANDPOINT_SERIAL_1, \
io_type: SERIAL_IO_MEM },
#define SERIAL_PORT_DFNS \
STD_SERIAL_PORT_DFNS
#endif /* __ASMPPC_SANDPOINT_SERIAL_H */
include/asm-ppc/serial.h
View file @ 99b31e61
......@@ -25,7 +25,7 @@
#elif defined(CONFIG_PRPMC800)
#include <platforms/prpmc800_serial.h>
#elif defined(CONFIG_SANDPOINT)
#include <platforms/sandpoint_serial.h>
#include <platforms/sandpoint.h>
#elif defined(CONFIG_SPRUCE)
#include <platforms/spruce_serial.h>
#elif defined(CONFIG_ZX4500)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7