Commit 8afb2b63 authored by Russell King's avatar Russell King

Add ARM BadgePAD4 machine support.

parent b7783fa9
...@@ -91,6 +91,7 @@ dep_bool ' FlexaNet' CONFIG_SA1100_FLEXANET $CONFIG_ARCH_SA1100 ...@@ -91,6 +91,7 @@ dep_bool ' FlexaNet' CONFIG_SA1100_FLEXANET $CONFIG_ARCH_SA1100
dep_bool ' FreeBird-v1.1' CONFIG_SA1100_FREEBIRD $CONFIG_ARCH_SA1100 dep_bool ' FreeBird-v1.1' CONFIG_SA1100_FREEBIRD $CONFIG_ARCH_SA1100
dep_bool ' GraphicsClient Plus' CONFIG_SA1100_GRAPHICSCLIENT $CONFIG_ARCH_SA1100 dep_bool ' GraphicsClient Plus' CONFIG_SA1100_GRAPHICSCLIENT $CONFIG_ARCH_SA1100
dep_bool ' GraphicsMaster' CONFIG_SA1100_GRAPHICSMASTER $CONFIG_ARCH_SA1100 dep_bool ' GraphicsMaster' CONFIG_SA1100_GRAPHICSMASTER $CONFIG_ARCH_SA1100
dep_bool ' HP Labs BadgePAD 4' CONFIG_SA1100_BADGE4 $CONFIG_ARCH_SA1100
dep_bool ' HP Jornada 720' CONFIG_SA1100_JORNADA720 $CONFIG_ARCH_SA1100 dep_bool ' HP Jornada 720' CONFIG_SA1100_JORNADA720 $CONFIG_ARCH_SA1100
dep_bool ' HuW WebPanel' CONFIG_SA1100_HUW_WEBPANEL $CONFIG_ARCH_SA1100 dep_bool ' HuW WebPanel' CONFIG_SA1100_HUW_WEBPANEL $CONFIG_ARCH_SA1100
dep_bool ' Itsy' CONFIG_SA1100_ITSY $CONFIG_ARCH_SA1100 dep_bool ' Itsy' CONFIG_SA1100_ITSY $CONFIG_ARCH_SA1100
...@@ -115,7 +116,8 @@ if [ "$CONFIG_ASSABET_NEPONSET" = "y" -o \ ...@@ -115,7 +116,8 @@ if [ "$CONFIG_ASSABET_NEPONSET" = "y" -o \
"$CONFIG_SA1100_XP860" = "y" -o \ "$CONFIG_SA1100_XP860" = "y" -o \
"$CONFIG_SA1100_GRAPHICSMASTER" = "y" -o \ "$CONFIG_SA1100_GRAPHICSMASTER" = "y" -o \
"$CONFIG_SA1100_PT_SYSTEM3" = "y" -o \ "$CONFIG_SA1100_PT_SYSTEM3" = "y" -o \
"$CONFIG_SA1100_ADSBITSY" = "y" ]; then "$CONFIG_SA1100_ADSBITSY" = "y" -o \
"$CONFIG_SA1100_BADGE4" = "y" ]; then
define_bool CONFIG_SA1111 y define_bool CONFIG_SA1111 y
define_int CONFIG_FORCE_MAX_ZONEORDER 9 define_int CONFIG_FORCE_MAX_ZONEORDER 9
fi fi
......
This diff is collapsed.
/*
* linux/arch/arm/mach-sa1100/badge4.c
*
* BadgePAD 4 specific initialization
*
* Tim Connors <connors@hpl.hp.com>
* Christopher Hoover <ch@hpl.hp.com>
*
* Copyright (C) 2002 Hewlett-Packard Company
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/tty.h>
#include <linux/errno.h>
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/arch/irqs.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/hardware/sa1111.h>
#include <asm/mach/serial_sa1100.h>
#include "generic.h"
#include "sa1111.h"
static int __init badge4_sa1111_init(void)
{
int ret;
/*
* Ensure that the memory bus request/grant signals are setup,
* and the grant is held in its inactive state
*/
sa1110_mb_disable();
/*
* Probe for SA1111.
*/
ret = sa1111_probe(BADGE4_SA1111_BASE);
if (ret < 0)
return ret;
/*
* We found it. Wake the chip up.
*/
sa1111_wake();
/*
* The SDRAM configuration of the SA1110 and the SA1111 must
* match. This is very important to ensure that SA1111 accesses
* don't corrupt the SDRAM. Note that this ungates the SA1111's
* MBGNT signal, so we must have called sa1110_mb_disable()
* beforehand.
*/
sa1111_configure_smc(1,
FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
/*
* We only need to turn on DCLK whenever we want to use the
* DMA. It can otherwise be held firmly in the off position.
*/
SKPCR |= SKPCR_DCLKEN;
/*
* Enable the SA1110 memory bus request and grant signals.
*/
sa1110_mb_enable();
sa1111_init_irq(BADGE4_IRQ_GPIO_SA1111);
return 0;
}
static int __init badge4_init(void)
{
int ret;
if (!machine_is_badge4())
return -ENODEV;
ret = badge4_sa1111_init();
if (ret < 0)
printk(KERN_ERR __FUNCTION__
": SA-1111 initialization failed (%d)\n", ret);
/* N.B, according to rmk this is the singular place that GPDR
should be set */
/* Video expansion */
GPCR = (BADGE4_GPIO_INT_VID | BADGE4_GPIO_LGP2 | BADGE4_GPIO_LGP3 |
BADGE4_GPIO_LGP4 | BADGE4_GPIO_LGP5 | BADGE4_GPIO_LGP6 |
BADGE4_GPIO_LGP7 | BADGE4_GPIO_LGP8 | BADGE4_GPIO_LGP9 |
BADGE4_GPIO_GPA_VID | BADGE4_GPIO_GPB_VID |
BADGE4_GPIO_GPC_VID);
GPDR |= (BADGE4_GPIO_INT_VID | BADGE4_GPIO_LGP2 | BADGE4_GPIO_LGP3 |
BADGE4_GPIO_LGP4 | BADGE4_GPIO_LGP5 | BADGE4_GPIO_LGP6 |
BADGE4_GPIO_LGP7 | BADGE4_GPIO_LGP8 | BADGE4_GPIO_LGP9 |
BADGE4_GPIO_GPA_VID | BADGE4_GPIO_GPB_VID |
BADGE4_GPIO_GPC_VID);
/* SDRAM SPD i2c */
GPCR = (BADGE4_GPIO_SDSDA | BADGE4_GPIO_SDSCL);
GPDR |= (BADGE4_GPIO_SDSDA | BADGE4_GPIO_SDSCL);
/* uart */
GPCR = (BADGE4_GPIO_UART_HS1 | BADGE4_GPIO_UART_HS2);
GPDR |= (BADGE4_GPIO_UART_HS1 | BADGE4_GPIO_UART_HS2);
/* drives CPLD muxsel0 input */
GPCR = BADGE4_GPIO_MUXSEL0;
GPDR |= BADGE4_GPIO_MUXSEL0;
/* test points */
GPCR = (BADGE4_GPIO_TESTPT_J7 | BADGE4_GPIO_TESTPT_J6 |
BADGE4_GPIO_TESTPT_J5);
GPDR |= (BADGE4_GPIO_TESTPT_J7 | BADGE4_GPIO_TESTPT_J6 |
BADGE4_GPIO_TESTPT_J5);
/* drives CPLD sdram type inputs; this shouldn't be needed;
bootloader left it this way. */
GPDR |= (BADGE4_GPIO_SDTYP0 | BADGE4_GPIO_SDTYP1);
/* 5V supply rail. */
GPCR = BADGE4_GPIO_PCMEN5V; /* initially off */
GPDR |= BADGE4_GPIO_PCMEN5V;
/* drives SA1111 reset pin; this shouldn't be needed;
bootloader left it this way. */
GPSR = BADGE4_GPIO_SA1111_NRST;
GPDR |= BADGE4_GPIO_SA1111_NRST;
return 0;
}
__initcall(badge4_init);
static unsigned badge4_5V_bitmap = 0;
void badge4_set_5V(unsigned subsystem, int on)
{
unsigned long flags;
unsigned old_5V_bitmap;
local_irq_save(flags);
old_5V_bitmap = badge4_5V_bitmap;
if (on) {
badge4_5V_bitmap |= subsystem;
} else {
badge4_5V_bitmap &= ~subsystem;
}
/* detect on->off and off->on transitions */
if ((!old_5V_bitmap) && (badge4_5V_bitmap)) {
/* was off, now on */
printk(KERN_INFO __FUNCTION__ ": enabling 5V supply rail\n");
GPSR = BADGE4_GPIO_PCMEN5V;
} else if ((old_5V_bitmap) && (!badge4_5V_bitmap)) {
/* was on, now off */
printk(KERN_INFO __FUNCTION__ ": disabling 5V supply rail\n");
GPCR = BADGE4_GPIO_PCMEN5V;
}
local_irq_restore(flags);
}
EXPORT_SYMBOL(badge4_set_5V);
static void __init
fixup_badge4(struct machine_desc *desc, struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
/* nothing needed here */
}
static struct map_desc badge4_io_desc[] __initdata = {
/* virtual physical length domain r w c b */
{0xf1000000, 0x08000000, 0x00100000, DOMAIN_IO, 1,1,0,0},/* SRAM bank 1 */
{0xf2000000, 0x10000000, 0x00100000, DOMAIN_IO, 1,1,0,0},/* SRAM bank 2 */
{0xf4000000, 0x48000000, 0x00100000, DOMAIN_IO, 1,1,0,0},/* SA-1111 */
LAST_DESC
};
static void __init badge4_map_io(void)
{
sa1100_map_io();
iotable_init(badge4_io_desc);
sa1100_register_uart(0, 3);
sa1100_register_uart(1, 1);
}
MACHINE_START(BADGE4, "Hewlett-Packard Laboratories BadgePAD 4")
BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
BOOT_PARAMS(0xc0000100)
FIXUP(fixup_badge4)
MAPIO(badge4_map_io)
INITIRQ(sa1100_init_irq)
MACHINE_END
/*
* linux/include/asm-arm/arch-sa1100/badge4.h
*
* Tim Connors <connors@hpl.hp.com>
* Christopher Hoover <ch@hpl.hp.com>
*
* Copyright (C) 2002 Hewlett-Packard Company
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef __ASM_ARCH_HARDWARE_H
#error "include <asm/hardware.h> instead"
#endif
#define BADGE4_SA1111_BASE (0x48000000)
/* GPIOs on the BadgePAD 4 */
#define BADGE4_GPIO_INT_1111 GPIO_GPIO0 /* SA-1111 IRQ */
#define BADGE4_GPIO_INT_VID GPIO_GPIO1 /* Video expansion */
#define BADGE4_GPIO_LGP2 GPIO_GPIO2 /* GPIO_LDD8 */
#define BADGE4_GPIO_LGP3 GPIO_GPIO3 /* GPIO_LDD9 */
#define BADGE4_GPIO_LGP4 GPIO_GPIO4 /* GPIO_LDD10 */
#define BADGE4_GPIO_LGP5 GPIO_GPIO5 /* GPIO_LDD11 */
#define BADGE4_GPIO_LGP6 GPIO_GPIO6 /* GPIO_LDD12 */
#define BADGE4_GPIO_LGP7 GPIO_GPIO7 /* GPIO_LDD13 */
#define BADGE4_GPIO_LGP8 GPIO_GPIO8 /* GPIO_LDD14 */
#define BADGE4_GPIO_LGP9 GPIO_GPIO9 /* GPIO_LDD15 */
#define BADGE4_GPIO_GPA_VID GPIO_GPIO10 /* Video expansion */
#define BADGE4_GPIO_GPB_VID GPIO_GPIO11 /* Video expansion */
#define BADGE4_GPIO_GPC_VID GPIO_GPIO12 /* Video expansion */
#define BADGE4_GPIO_UART_HS1 GPIO_GPIO13
#define BADGE4_GPIO_UART_HS2 GPIO_GPIO14
#define BADGE4_GPIO_MUXSEL0 GPIO_GPIO15
#define BADGE4_GPIO_TESTPT_J7 GPIO_GPIO16
#define BADGE4_GPIO_SDSDA GPIO_GPIO17 /* SDRAM SPD Data */
#define BADGE4_GPIO_SDSCL GPIO_GPIO18 /* SDRAM SPD Clock */
#define BADGE4_GPIO_SDTYP0 GPIO_GPIO19 /* SDRAM Type Control */
#define BADGE4_GPIO_SDTYP1 GPIO_GPIO20 /* SDRAM Type Control */
#define BADGE4_GPIO_BGNT_1111 GPIO_GPIO21 /* GPIO_MBGNT */
#define BADGE4_GPIO_BREQ_1111 GPIO_GPIO22 /* GPIO_TREQA */
#define BADGE4_GPIO_TESTPT_J6 GPIO_GPIO23
#define BADGE4_GPIO_PCMEN5V GPIO_GPIO24 /* 5V power */
#define BADGE4_GPIO_SA1111_NRST GPIO_GPIO25 /* SA-1111 nRESET */
#define BADGE4_GPIO_TESTPT_J5 GPIO_GPIO26
#define BADGE4_GPIO_CLK_1111 GPIO_GPIO27 /* GPIO_32_768kHz */
/* Interrupts on the BadgePAD 4 */
#define BADGE4_IRQ_GPIO_SA1111 IRQ_GPIO0 /* SA-1111 interrupt */
/* PCM5ENV Usage tracking */
#define BADGE4_5V_PCMCIA_SOCK0 (1<<0)
#define BADGE4_5V_PCMCIA_SOCK1 (1<<1)
#define BADGE4_5V_PCMCIA_SOCK(n) (1<<(n))
#define BADGE4_5V_USB (1<<2)
#ifndef __ASSEMBLY__
extern void badge4_set_5V(unsigned subsystem, int on);
#endif
...@@ -96,6 +96,8 @@ typedef struct { volatile u32 offset[4096]; } __regbase; ...@@ -96,6 +96,8 @@ typedef struct { volatile u32 offset[4096]; } __regbase;
* ifdefs, and lots of other preprocessor gunk elsewhere. * ifdefs, and lots of other preprocessor gunk elsewhere.
*/ */
#include "badge4.h"
#ifdef CONFIG_SA1100_PANGOLIN #ifdef CONFIG_SA1100_PANGOLIN
#include "pangolin.h" #include "pangolin.h"
#endif #endif
......
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