Commit 216df828 authored by Mark A. Greer's avatar Mark A. Greer Committed by Linus Torvalds

[PATCH] ppc32: support for Marvell EV-64260[ab]-BP eval platform

This patch adds support for a line of evaluation platforms from Marvell
that use the Marvell GT64260[ab] host bridges.

This patch depends on the Marvell host bridge support patch (mv64x60).
Signed-off-by: default avatarMark A. Greer <mgreer@mvista.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent fe7c9be8
......@@ -66,7 +66,7 @@ zimageinitrd-$(CONFIG_OCOTEA) := zImage.initrd-TREE
entrypoint-$(CONFIG_OCOTEA) := 0x01000000
extra.o-$(CONFIG_OCOTEA) := pibs.o
extra.o-$(CONFIG_EV64260) := direct.o misc-ev64260.o
extra.o-$(CONFIG_EV64260) := misc-ev64260.o
end-$(CONFIG_EV64260) := ev64260
cacheflag-$(CONFIG_EV64260) := -include $(clear_L2_L3)
......
/*
* arch/ppc/boot/simple/gt64260_tty.c
*
* Bootloader version of the embedded MPSC/UART driver for the GT64260[A].
* Note: Due to 64260A errata, DMA will be used for UART input (via SDMA).
*
* 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.
*/
/* This code assumes that the data cache has been disabled (L1, L2, L3). */
#include <linux/config.h>
#include <linux/serialP.h>
#include <linux/serial_reg.h>
#include <asm/serial.h>
#include <asm/gt64260_defs.h>
extern void udelay(long);
static void stop_dma(int chan);
static u32 gt64260_base = EV64260_BRIDGE_REG_BASE; /* base addr of 64260 */
inline unsigned
gt64260_in_le32(volatile unsigned *addr)
{
unsigned ret;
__asm__ __volatile__("lwbrx %0,0,%1; eieio" : "=r" (ret) :
"r" (addr), "m" (*addr));
return ret;
}
inline void
gt64260_out_le32(volatile unsigned *addr, int val)
{
__asm__ __volatile__("stwbrx %1,0,%2; eieio" : "=m" (*addr) :
"r" (val), "r" (addr));
}
#define GT64260_REG_READ(offs) \
(gt64260_in_le32((volatile uint *)(gt64260_base + (offs))))
#define GT64260_REG_WRITE(offs, d) \
(gt64260_out_le32((volatile uint *)(gt64260_base + (offs)), (int)(d)))
static struct {
u32 sdc;
u32 sdcm;
u32 rx_desc;
u32 rx_buf_ptr;
u32 scrdp;
u32 tx_desc;
u32 sctdp;
u32 sftdp;
} sdma_regs;
#define SDMA_REGS_INIT(chan) { \
sdma_regs.sdc = GT64260_SDMA_##chan##_SDC; \
sdma_regs.sdcm = GT64260_SDMA_##chan##_SDCM; \
sdma_regs.rx_desc = GT64260_SDMA_##chan##_RX_DESC; \
sdma_regs.rx_buf_ptr = GT64260_SDMA_##chan##_RX_BUF_PTR; \
sdma_regs.scrdp = GT64260_SDMA_##chan##_SCRDP; \
sdma_regs.tx_desc = GT64260_SDMA_##chan##_TX_DESC; \
sdma_regs.sctdp = GT64260_SDMA_##chan##_SCTDP; \
sdma_regs.sftdp = GT64260_SDMA_##chan##_SFTDP; \
}
typedef struct {
volatile u16 bufsize;
volatile u16 bytecnt;
volatile u32 cmd_stat;
volatile u32 next_desc_ptr;
volatile u32 buffer;
} gt64260_rx_desc_t;
typedef struct {
volatile u16 bytecnt;
volatile u16 shadow;
volatile u32 cmd_stat;
volatile u32 next_desc_ptr;
volatile u32 buffer;
} gt64260_tx_desc_t;
#define MAX_RESET_WAIT 10000
#define MAX_TX_WAIT 10000
#define RX_NUM_DESC 2
#define TX_NUM_DESC 2
#define RX_BUF_SIZE 16
#define TX_BUF_SIZE 16
static gt64260_rx_desc_t rd[RX_NUM_DESC] __attribute__ ((aligned(32)));
static gt64260_tx_desc_t td[TX_NUM_DESC] __attribute__ ((aligned(32)));
static char rx_buf[RX_NUM_DESC * RX_BUF_SIZE] __attribute__ ((aligned(32)));
static char tx_buf[TX_NUM_DESC * TX_BUF_SIZE] __attribute__ ((aligned(32)));
static int cur_rd = 0;
static int cur_td = 0;
#define RX_INIT_RDP(rdp) { \
(rdp)->bufsize = 2; \
(rdp)->bytecnt = 0; \
(rdp)->cmd_stat = GT64260_SDMA_DESC_CMDSTAT_L | \
GT64260_SDMA_DESC_CMDSTAT_F | \
GT64260_SDMA_DESC_CMDSTAT_O; \
}
unsigned long
serial_init(int chan, void *ignored)
{
u32 mpsc_adjust, sdma_adjust, brg_bcr;
int i;
stop_dma(0);
stop_dma(1);
if (chan != 1) {
chan = 0; /* default to chan 0 if anything but 1 */
mpsc_adjust = 0;
sdma_adjust = 0;
brg_bcr = GT64260_BRG_0_BCR;
SDMA_REGS_INIT(0);
}
else {
mpsc_adjust = 0x1000;
sdma_adjust = 0x2000;
brg_bcr = GT64260_BRG_1_BCR;
SDMA_REGS_INIT(1);
}
/* Set up ring buffers */
for (i=0; i<RX_NUM_DESC; i++) {
RX_INIT_RDP(&rd[i]);
rd[i].buffer = (u32)&rx_buf[i * RX_BUF_SIZE];
rd[i].next_desc_ptr = (u32)&rd[i+1];
}
rd[RX_NUM_DESC - 1].next_desc_ptr = (u32)&rd[0];
for (i=0; i<TX_NUM_DESC; i++) {
td[i].bytecnt = 0;
td[i].shadow = 0;
td[i].buffer = (u32)&tx_buf[i * TX_BUF_SIZE];
td[i].cmd_stat = GT64260_SDMA_DESC_CMDSTAT_F |
GT64260_SDMA_DESC_CMDSTAT_L;
td[i].next_desc_ptr = (u32)&td[i+1];
}
td[TX_NUM_DESC - 1].next_desc_ptr = (u32)&td[0];
/* Set MPSC Routing */
GT64260_REG_WRITE(GT64260_MPSC_MRR, 0x3ffffe38);
GT64260_REG_WRITE(GT64260_MPP_SERIAL_PORTS_MULTIPLEX, 0x00001102);
/* MPSC 0/1 Rx & Tx get clocks BRG0/1 */
GT64260_REG_WRITE(GT64260_MPSC_RCRR, 0x00000100);
GT64260_REG_WRITE(GT64260_MPSC_TCRR, 0x00000100);
/* clear pending interrupts */
GT64260_REG_WRITE(GT64260_SDMA_INTR_MASK, 0);
GT64260_REG_WRITE(GT64260_SDMA_0_SCRDP + sdma_adjust, &rd[0]);
GT64260_REG_WRITE(GT64260_SDMA_0_SCTDP + sdma_adjust,
&td[TX_NUM_DESC - 1]);
GT64260_REG_WRITE(GT64260_SDMA_0_SFTDP + sdma_adjust,
&td[TX_NUM_DESC - 1]);
GT64260_REG_WRITE(GT64260_SDMA_0_SDC + sdma_adjust,
GT64260_SDMA_SDC_RFT | GT64260_SDMA_SDC_SFM |
GT64260_SDMA_SDC_BLMR | GT64260_SDMA_SDC_BLMT |
(3 << 12));
/* Set BRG to generate proper baud rate */
GT64260_REG_WRITE(brg_bcr, ((8 << 18) | (1 << 16) | 36));
/* Put MPSC into UART mode, no null modem, 16x clock mode */
GT64260_REG_WRITE(GT64260_MPSC_0_MMCRL + mpsc_adjust, 0x000004c4);
GT64260_REG_WRITE(GT64260_MPSC_0_MMCRH + mpsc_adjust, 0x04400400);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_1 + mpsc_adjust, 0);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_9 + mpsc_adjust, 0);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_10 + mpsc_adjust, 0);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_3 + mpsc_adjust, 4);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_4 + mpsc_adjust, 0);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_5 + mpsc_adjust, 0);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_6 + mpsc_adjust, 0);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_7 + mpsc_adjust, 0);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_8 + mpsc_adjust, 0);
/* 8 data bits, 1 stop bit */
GT64260_REG_WRITE(GT64260_MPSC_0_MPCR + mpsc_adjust, (3 << 12));
GT64260_REG_WRITE(GT64260_SDMA_0_SDCM + sdma_adjust,
GT64260_SDMA_SDCM_ERD);
GT64260_REG_WRITE(GT64260_MPSC_0_CHR_2 + sdma_adjust,
GT64260_MPSC_UART_CR_EH);
udelay(100);
return (ulong)chan;
}
static void
stop_dma(int chan)
{
u32 sdma_sdcm = GT64260_SDMA_0_SDCM;
int i;
if (chan == 1) {
sdma_sdcm = GT64260_SDMA_1_SDCM;
}
/* Abort SDMA Rx, Tx */
GT64260_REG_WRITE(sdma_sdcm,
GT64260_SDMA_SDCM_AR | GT64260_SDMA_SDCM_STD);
for (i=0; i<MAX_RESET_WAIT; i++) {
if ((GT64260_REG_READ(sdma_sdcm) & (GT64260_SDMA_SDCM_AR |
GT64260_SDMA_SDCM_AT)) == 0) break;
udelay(100);
}
return;
}
static int
wait_for_ownership(void)
{
int i;
for (i=0; i<MAX_TX_WAIT; i++) {
if ((GT64260_REG_READ(sdma_regs.sdcm) &
GT64260_SDMA_SDCM_TXD) == 0) break;
udelay(1000);
}
return (i < MAX_TX_WAIT);
}
void
serial_putc(unsigned long com_port, unsigned char c)
{
gt64260_tx_desc_t *tdp;
if (wait_for_ownership() == 0) return;
tdp = &td[cur_td];
if (++cur_td >= TX_NUM_DESC) cur_td = 0;
*(unchar *)(tdp->buffer ^ 7) = c;
tdp->bytecnt = 1;
tdp->shadow = 1;
tdp->cmd_stat = GT64260_SDMA_DESC_CMDSTAT_L |
GT64260_SDMA_DESC_CMDSTAT_F | GT64260_SDMA_DESC_CMDSTAT_O;
GT64260_REG_WRITE(sdma_regs.sctdp, tdp);
GT64260_REG_WRITE(sdma_regs.sftdp, tdp);
GT64260_REG_WRITE(sdma_regs.sdcm,
GT64260_REG_READ(sdma_regs.sdcm) | GT64260_SDMA_SDCM_TXD);
return;
}
unsigned char
serial_getc(unsigned long com_port)
{
gt64260_rx_desc_t *rdp;
unchar c = '\0';
rdp = &rd[cur_rd];
if ((rdp->cmd_stat & (GT64260_SDMA_DESC_CMDSTAT_O |
GT64260_SDMA_DESC_CMDSTAT_ES)) == 0) {
c = *(unchar *)(rdp->buffer ^ 7);
RX_INIT_RDP(rdp);
if (++cur_rd >= RX_NUM_DESC) cur_rd = 0;
}
return c;
}
int
serial_tstc(unsigned long com_port)
{
gt64260_rx_desc_t *rdp;
int loop_count = 0;
int rc = 0;
rdp = &rd[cur_rd];
/* Go thru rcv desc's until empty looking for one with data (no error)*/
while (((rdp->cmd_stat & GT64260_SDMA_DESC_CMDSTAT_O) == 0) &&
(loop_count++ < RX_NUM_DESC)) {
/* If there was an error, reinit the desc & continue */
if ((rdp->cmd_stat & GT64260_SDMA_DESC_CMDSTAT_ES) != 0) {
RX_INIT_RDP(rdp);
if (++cur_rd >= RX_NUM_DESC) cur_rd = 0;
rdp = (gt64260_rx_desc_t *)rdp->next_desc_ptr;
}
else {
rc = 1;
break;
}
}
return rc;
}
void
serial_close(unsigned long com_port)
{
stop_dma(com_port);
return;
}
......@@ -135,9 +135,9 @@ haveOF:
*/
#endif
#ifdef CONFIG_EV64260
/* Move 64260's base regs & CS window for external UART */
bl ev64260_init
#ifdef CONFIG_MV64X60
/* mv64x60 specific hook to do things like moving register base, etc. */
bl mv64x60_init
#endif
/* Get the load address.
......
......@@ -6,55 +6,65 @@
*
* Author: Mark 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.
* Copyright 2001 MontaVista Software Inc.
*
* 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.
*/
#include <asm/ppc_asm.h>
#include <asm/processor.h>
#include <asm/cache.h>
#include <asm/gt64260_defs.h>
#include <asm/mv64x60_defs.h>
#include <platforms/ev64260.h>
.globl ev64260_init
ev64260_init:
li r20,0
.globl mv64x60_board_init
mv64x60_board_init:
/* DINK doesn't enable 745x timebase, so enable here (Adrian Cox) */
mfspr r25,PVR
srwi r25,r25,16
cmplwi r25,(PVR_7450 >> 16)
bne 1f
mfspr r25,HID0
oris r25,r25,(HID0_TBEN >> 16)
mtspr HID0,r25
1:
#if (CONFIG_MV64X60_NEW_BASE != CONFIG_MV64X60_BASE)
li r23,20
/* Relocate galileo's regs */
addis r25,0,GT64260_INTERNAL_SPACE_DEFAULT_ADDR@h
ori r25,r25,GT64260_INTERNAL_SPACE_DECODE
lwbrx r26,0,(r25)
lis r24,0xffff
and r26,r26,r24
addis r24,0,EV64260_BRIDGE_REG_BASE@h
srw r24,r24,r23
or r26,r26,r24
stwbrx r26,0,(r25)
sync
/* Wait for write to take effect */
addis r25,0,EV64260_BRIDGE_REG_BASE@h
ori r25,r25,GT64260_INTERNAL_SPACE_DECODE
1: lwbrx r24,0,(r25)
cmpw r24,r26
bne 1b
/* Change CS2 (UARTS on device module) window */
addis r25,0,EV64260_BRIDGE_REG_BASE@h
ori r25,r25,GT64260_CPU_CS_DECODE_2_BOT
/*
* Change the CS2 window for the UART so that the bootloader
* can do I/O thru the UARTs.
*/
addis r25,0,CONFIG_MV64X60_NEW_BASE@h
ori r25,r25,MV64x60_CPU2DEV_2_BASE
addis r26,0,EV64260_UART_BASE@h
srw r26,r26,r23
stwbrx r26,0,(r25)
sync
addis r25,0,EV64260_BRIDGE_REG_BASE@h
ori r25,r25,GT64260_CPU_CS_DECODE_2_TOP
addis r25,0,CONFIG_MV64X60_NEW_BASE@h
ori r25,r25,MV64x60_CPU2DEV_2_SIZE
addis r26,0,EV64260_UART_END@h
srw r26,r26,r23
stwbrx r26,0,(r25)
sync
#endif
blr
#if defined(CONFIG_SERIAL_MPSC_CONSOLE)
.data
.globl mv64x60_console_baud
mv64x60_console_baud:
.long EV64260_DEFAULT_BAUD
.globl mv64x60_mpsc_clk_src
mv64x60_mpsc_clk_src:
.long EV64260_MPSC_CLK_SRC
.globl mv64x60_mpsc_clk_freq
mv64x60_mpsc_clk_freq:
.long EV64260_MPSC_CLK_FREQ
#endif
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.10-rc2
# Fri Nov 19 11:17:02 2004
#
CONFIG_MMU=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_HAVE_DEC_LOCK=y
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_GENERIC_NVRAM=y
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_BROKEN_ON_SMP=y
#
# General setup
#
CONFIG_LOCALVERSION=""
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_HOTPLUG is not set
CONFIG_KOBJECT_UEVENT=y
# CONFIG_IKCONFIG is not set
# CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_EXTRA_PASS is not set
CONFIG_FUTEX=y
CONFIG_EPOLL=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_SHMEM=y
CONFIG_CC_ALIGN_FUNCTIONS=0
CONFIG_CC_ALIGN_LABELS=0
CONFIG_CC_ALIGN_LOOPS=0
CONFIG_CC_ALIGN_JUMPS=0
# CONFIG_TINY_SHMEM is not set
#
# Loadable module support
......@@ -30,31 +53,38 @@ CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_OBSOLETE_MODPARM=y
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
#
# Platform support
# Processor
#
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_6xx=y
# CONFIG_40x is not set
# CONFIG_44x is not set
# CONFIG_POWER3 is not set
# CONFIG_POWER4 is not set
# CONFIG_8xx is not set
# CONFIG_E500 is not set
CONFIG_ALTIVEC=y
CONFIG_TAU=y
# CONFIG_TAU_INT is not set
# CONFIG_TAU_AVERAGE is not set
# CONFIG_CPU_FREQ is not set
CONFIG_PPC_GEN550=y
CONFIG_PPC_STD_MMU=y
# CONFIG_NOT_COHERENT_CACHE is not set
#
# IBM 4xx options
# Platform options
#
# CONFIG_8260 is not set
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PPC_STD_MMU=y
# CONFIG_PPC_MULTIPLATFORM is not set
# CONFIG_APUS is not set
# CONFIG_WILLOW_2 is not set
# CONFIG_WILLOW is not set
# CONFIG_PCORE is not set
# CONFIG_POWERPMC250 is not set
CONFIG_EV64260=y
# CONFIG_SPRUCE is not set
CONFIG_EV64260=y
# CONFIG_LOPEC is not set
# CONFIG_MCPN765 is not set
# CONFIG_MVME5100 is not set
......@@ -66,37 +96,37 @@ CONFIG_EV64260=y
# CONFIG_K2 is not set
# CONFIG_PAL4 is not set
# CONFIG_GEMINI is not set
# CONFIG_EST8260 is not set
# CONFIG_SBC82xx is not set
# CONFIG_SBS8260 is not set
# CONFIG_RPX8260 is not set
# CONFIG_TQM8260 is not set
# CONFIG_ADS8272 is not set
# CONFIG_LITE5200 is not set
CONFIG_GT64260=y
CONFIG_SERIAL_CONSOLE_BAUD=115200
# CONFIG_SMP is not set
# CONFIG_PREEMPT is not set
CONFIG_ALTIVEC=y
CONFIG_TAU=y
# CONFIG_TAU_INT is not set
# CONFIG_TAU_AVERAGE is not set
# CONFIG_CPU_FREQ is not set
CONFIG_MV64X60=y
#
# General setup
# Set bridge options
#
CONFIG_MV64X60_BASE=0xf1000000
CONFIG_MV64X60_NEW_BASE=0xfbe00000
# CONFIG_SMP is not set
# CONFIG_PREEMPT is not set
# CONFIG_HIGHMEM is not set
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
CONFIG_BINFMT_MISC=y
CONFIG_PCI_LEGACY_PROC=y
CONFIG_PCI_NAMES=y
# CONFIG_HOTPLUG is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="console=ttyS0,115200 ip=on"
#
# Parallel port support
# Bus options
#
# CONFIG_PARPORT is not set
# CONFIG_PPC601_SYNC_FIX is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="console=ttyS0,115200 ip=on"
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_LEGACY_PROC=y
CONFIG_PCI_NAMES=y
#
# Advanced setup
......@@ -112,15 +142,29 @@ CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0x80000000
CONFIG_BOOT_LOAD=0x00800000
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
#
# Plug and Play support
#
# CONFIG_PNP is not set
#
# Block devices
......@@ -131,32 +175,45 @@ CONFIG_BOOT_LOAD=0x00800000
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_SX8 is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_LBD is not set
# CONFIG_CDROM_PKTCDVD is not set
#
# Multi-device support (RAID and LVM)
# IO Schedulers
#
# CONFIG_MD is not set
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
#
# ATA/IDE/MFM/RLL support
# ATA/ATAPI/MFM/RLL support
#
# CONFIG_IDE is not set
#
# SCSI support
# SCSI device support
#
# CONFIG_SCSI is not set
#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set
#
# Fusion MPT device support
#
#
# IEEE 1394 (FireWire) support (EXPERIMENTAL)
# IEEE 1394 (FireWire) support
#
# CONFIG_IEEE1394 is not set
......@@ -165,6 +222,10 @@ CONFIG_BLK_DEV_INITRD=y
#
# CONFIG_I2O is not set
#
# Macintosh device drivers
#
#
# Networking support
#
......@@ -176,8 +237,6 @@ CONFIG_NET=y
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
# CONFIG_NETLINK_DEV is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
......@@ -191,68 +250,81 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_NET_IPGRE is not set
# CONFIG_IP_MROUTE is not set
# CONFIG_ARPD is not set
# CONFIG_INET_ECN is not set
CONFIG_SYN_COOKIES=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_IP_TCPDIAG=y
# CONFIG_IP_TCPDIAG_IPV6 is not set
#
# IP: Virtual Server Configuration
#
# CONFIG_IP_VS is not set
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
#
# IP: Netfilter Configuration
#
# CONFIG_IP_NF_CONNTRACK is not set
# CONFIG_IP_NF_CONNTRACK_MARK is not set
# CONFIG_IP_NF_QUEUE is not set
# CONFIG_IP_NF_IPTABLES is not set
# CONFIG_IP_NF_ARPTABLES is not set
# CONFIG_IP_NF_COMPAT_IPCHAINS is not set
# CONFIG_IP_NF_COMPAT_IPFWADM is not set
# CONFIG_IPV6 is not set
# CONFIG_XFRM_USER is not set
#
# SCTP Configuration (EXPERIMENTAL)
#
CONFIG_IPV6_SCTP__=y
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_LLC is not set
# CONFIG_DECNET is not set
# CONFIG_BRIDGE is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_HW_FLOWCONTROL is not set
#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set
# CONFIG_NET_CLS_ROUTE is not set
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
# CONFIG_ETHERTAP is not set
#
# Ethernet (10 or 100Mbit)
#
CONFIG_NET_ETHERNET=y
# CONFIG_MII is not set
# CONFIG_OAKNET is not set
CONFIG_MII=y
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
# CONFIG_NET_VENDOR_3COM is not set
......@@ -260,17 +332,26 @@ CONFIG_NET_ETHERNET=y
#
# Tulip family network device support
#
# CONFIG_NET_TULIP is not set
CONFIG_NET_TULIP=y
# CONFIG_DE2104X is not set
CONFIG_TULIP=y
# CONFIG_TULIP_MWI is not set
# CONFIG_TULIP_MMIO is not set
# CONFIG_TULIP_NAPI is not set
# CONFIG_DE4X5 is not set
# CONFIG_WINBOND_840 is not set
# CONFIG_DM9102 is not set
# CONFIG_HP100 is not set
CONFIG_NET_PCI=y
# CONFIG_PCNET32 is not set
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
# CONFIG_B44 is not set
# CONFIG_FORCEDETH is not set
# CONFIG_DGRS is not set
CONFIG_EEPRO100=y
# CONFIG_EEPRO100_PIO is not set
# CONFIG_E100 is not set
# CONFIG_EEPRO100 is not set
CONFIG_E100=y
# CONFIG_E100_NAPI is not set
# CONFIG_FEALNX is not set
# CONFIG_NATSEMI is not set
# CONFIG_NE2K_PCI is not set
......@@ -293,85 +374,98 @@ CONFIG_EEPRO100=y
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SK98LIN is not set
# CONFIG_VIA_VELOCITY is not set
# CONFIG_TIGON3 is not set
#
# Ethernet (10000 Mbit)
#
# CONFIG_IXGB is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_S2IO is not set
#
# Wireless LAN (non-hamradio)
# Token Ring devices
#
# CONFIG_NET_RADIO is not set
# CONFIG_TR is not set
#
# Token Ring devices (depends on LLC=y)
# Wireless LAN (non-hamradio)
#
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set
# CONFIG_NET_RADIO is not set
#
# Wan interfaces
#
# CONFIG_WAN is not set
#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set
#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
#
# ISDN subsystem
#
# CONFIG_ISDN_BOOL is not set
# CONFIG_ISDN is not set
#
# Graphics support
# Telephony Support
#
# CONFIG_FB is not set
#
# Old CD-ROM drivers (not SCSI, not IDE)
#
# CONFIG_CD_NO_IDESCSI is not set
# CONFIG_PHONE is not set
#
# Input device support
#
# CONFIG_INPUT is not set
CONFIG_INPUT=y
#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
# CONFIG_INPUT_TSDEV is not set
# CONFIG_INPUT_EVDEV is not set
# CONFIG_INPUT_EVBUG is not set
#
# Input I/O drivers
#
# CONFIG_GAMEPORT is not set
CONFIG_SOUND_GAMEPORT=y
# CONFIG_SERIO is not set
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
CONFIG_SERIO_SERPORT=y
# CONFIG_SERIO_CT82C710 is not set
# CONFIG_SERIO_PCIPS2 is not set
# CONFIG_SERIO_RAW is not set
#
# Input Device Drivers
#
#
# Macintosh device drivers
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_NEWTON is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_VSXXXAA is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set
#
# Character devices
#
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
# CONFIG_SERIAL_NONSTANDARD is not set
#
......@@ -379,6 +473,7 @@ CONFIG_SOUND_GAMEPORT=y
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
#
......@@ -387,68 +482,120 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
#
# IPMI
#
# CONFIG_IPMI_HANDLER is not set
#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
CONFIG_GEN_RTC=y
# CONFIG_GEN_RTC_X is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
#
# Ftape, the floppy tape device driver
#
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_RAW_DRIVER is not set
#
# I2C support
#
CONFIG_I2C=m
CONFIG_I2C_CHARDEV=m
#
# I2C Algorithms
#
# CONFIG_I2C_ALGOBIT is not set
# CONFIG_I2C_ALGOPCF is not set
CONFIG_I2C_CHARDEV=m
# CONFIG_I2C_ALGOPCA is not set
#
# I2C Hardware Sensors Mainboard support
# I2C Hardware Bus support
#
# CONFIG_I2C_ALI1535 is not set
# CONFIG_I2C_ALI1563 is not set
# CONFIG_I2C_ALI15X3 is not set
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
# CONFIG_I2C_I801 is not set
# CONFIG_I2C_I810 is not set
# CONFIG_I2C_ISA is not set
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_PROSAVAGE is not set
# CONFIG_I2C_SAVAGE4 is not set
# CONFIG_SCx200_ACB is not set
# CONFIG_I2C_SIS5595 is not set
# CONFIG_I2C_SIS630 is not set
# CONFIG_I2C_SIS96X is not set
# CONFIG_I2C_STUB is not set
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
# CONFIG_I2C_VOODOO3 is not set
# CONFIG_I2C_PCA_ISA is not set
#
# I2C Hardware Sensors Chip support
# Hardware Sensors Chip support
#
# CONFIG_I2C_SENSOR is not set
# CONFIG_SENSORS_ADM1021 is not set
# CONFIG_SENSORS_ADM1025 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ASB100 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_FSCHER is not set
# CONFIG_SENSORS_GL518SM is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM75 is not set
# CONFIG_SENSORS_LM77 is not set
# CONFIG_SENSORS_LM78 is not set
# CONFIG_SENSORS_LM80 is not set
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
# CONFIG_SENSORS_LM87 is not set
# CONFIG_SENSORS_LM90 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_I2C_SENSOR is not set
#
# Mice
#
# CONFIG_BUSMOUSE is not set
# CONFIG_QIC02_TAPE is not set
# CONFIG_SENSORS_W83L785TS is not set
# CONFIG_SENSORS_W83627HF is not set
#
# IPMI
# Other I2C Chip support
#
# CONFIG_IPMI_HANDLER is not set
# CONFIG_SENSORS_EEPROM is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_SENSORS_RTC8564 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set
#
# Watchdog Cards
# Dallas's 1-wire bus
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
CONFIG_GEN_RTC=y
# CONFIG_GEN_RTC_X is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
# CONFIG_W1 is not set
#
# Ftape, the floppy tape device driver
# Misc devices
#
# CONFIG_FTAPE is not set
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_HANGCHECK_TIMER is not set
#
# Multimedia devices
......@@ -460,6 +607,34 @@ CONFIG_GEN_RTC=y
#
# CONFIG_DVB is not set
#
# Graphics support
#
# CONFIG_FB is not set
#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_DUMMY_CONSOLE=y
#
# Sound
#
# CONFIG_SOUND is not set
#
# USB support
#
# CONFIG_USB is not set
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set
#
# File systems
#
......@@ -473,6 +648,7 @@ CONFIG_EXT2_FS=y
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
# CONFIG_QUOTA is not set
CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
......@@ -485,19 +661,23 @@ CONFIG_EXT2_FS=y
#
# DOS/FAT/NT Filesystems
#
# CONFIG_FAT_FS is not set
# CONFIG_MSDOS_FS is not set
# CONFIG_VFAT_FS is not set
# CONFIG_NTFS_FS is not set
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
# CONFIG_PROC_KCORE is not set
CONFIG_SYSFS=y
CONFIG_DEVFS_FS=y
# CONFIG_DEVFS_MOUNT is not set
# CONFIG_DEVFS_DEBUG is not set
CONFIG_DEVPTS_FS=y
# CONFIG_DEVPTS_FS_XATTR is not set
CONFIG_TMPFS=y
# CONFIG_TMPFS_XATTR is not set
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
#
......@@ -506,6 +686,7 @@ CONFIG_RAMFS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
......@@ -522,18 +703,19 @@ CONFIG_RAMFS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
# CONFIG_EXPORTFS is not set
CONFIG_SUNRPC=y
# CONFIG_SUNRPC_GSS is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_INTERMEZZO_FS is not set
# CONFIG_AFS_FS is not set
#
......@@ -543,36 +725,32 @@ CONFIG_SUNRPC=y
CONFIG_MSDOS_PARTITION=y
#
# Sound
#
# CONFIG_SOUND is not set
#
# USB support
# Native Language Support
#
# CONFIG_USB is not set
# CONFIG_USB_GADGET is not set
# CONFIG_NLS is not set
#
# Bluetooth support
# Library routines
#
# CONFIG_BT is not set
# CONFIG_CRC_CCITT is not set
CONFIG_CRC32=y
# CONFIG_LIBCRC32C is not set
#
# Library routines
# Profiling support
#
# CONFIG_CRC32 is not set
# CONFIG_PROFILING is not set
#
# Kernel hacking
#
# CONFIG_DEBUG_KERNEL is not set
# CONFIG_KALLSYMS is not set
# CONFIG_SERIAL_TEXT_DEBUG is not set
#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
#
......
......@@ -23,7 +23,7 @@ obj-$(CONFIG_PREP_RESIDUAL) += residual.o
obj-$(CONFIG_ADIR) += adir_setup.o adir_pic.o adir_pci.o
obj-$(CONFIG_PQ2ADS) += pq2ads.o
obj-$(CONFIG_TQM8260) += tqm8260_setup.o
obj-$(CONFIG_EV64260) += ev64260_setup.o
obj-$(CONFIG_EV64260) += ev64260.o
obj-$(CONFIG_GEMINI) += gemini_pci.o gemini_setup.o gemini_prom.o
obj-$(CONFIG_K2) += k2.o
obj-$(CONFIG_LOPEC) += lopec.o
......
/*
* arch/ppc/platforms/ev64260.c
*
* Board setup routines for the Marvell/Galileo EV-64260-BP Evaluation Board.
*
* Author: Mark A. Greer <mgreer@mvista.com>
*
* 2001-2003 (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.
*/
/*
* The EV-64260-BP port is the result of hard work from many people from
* many companies. In particular, employees of Marvell/Galileo, Mission
* Critical Linux, Xyterra, and MontaVista Software were heavily involved.
*
* Note: I have not been able to get *all* PCI slots to work reliably
* at 66 MHz. I recommend setting jumpers J15 & J16 to short pins 1&2
* so that 33 MHz is used. --MAG
* Note: The 750CXe and 7450 are not stable with a 125MHz or 133MHz TCLK/SYSCLK.
* At 100MHz, they are solid.
*/
#include <linux/config.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/ide.h>
#include <linux/irq.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/console.h>
#include <linux/initrd.h>
#include <linux/root_dev.h>
#if !defined(CONFIG_SERIAL_MPSC_CONSOLE)
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_core.h>
#else
#include <linux/mv643xx.h>
#endif
#include <asm/bootinfo.h>
#include <asm/machdep.h>
#include <asm/mv64x60.h>
#include <asm/todc.h>
#include <asm/time.h>
#include <platforms/ev64260.h>
#define BOARD_VENDOR "Marvell/Galileo"
#define BOARD_MACHINE "EV-64260-BP"
static struct mv64x60_handle bh;
#if !defined(CONFIG_SERIAL_MPSC_CONSOLE)
extern void gen550_progress(char *, unsigned short);
extern void gen550_init(int, struct uart_port *);
#endif
static const unsigned int cpu_7xx[16] = { /* 7xx & 74xx (but not 745x) */
18, 15, 14, 2, 4, 13, 5, 9, 6, 11, 8, 10, 16, 12, 7, 0
};
static const unsigned int cpu_745x[2][16] = { /* PLL_EXT 0 & 1 */
{ 1, 15, 14, 2, 4, 13, 5, 9, 6, 11, 8, 10, 16, 12, 7, 0 },
{ 0, 30, 0, 2, 0, 26, 0, 18, 0, 22, 20, 24, 28, 32, 0, 0 }
};
TODC_ALLOC();
static int
ev64260_get_bus_speed(void)
{
return 100000000;
}
static int
ev64260_get_cpu_speed(void)
{
unsigned long pvr, hid1, pll_ext;
pvr = PVR_VER(mfspr(PVR));
if (pvr != PVR_VER(PVR_7450)) {
hid1 = mfspr(HID1) >> 28;
return ev64260_get_bus_speed() * cpu_7xx[hid1]/2;
}
else {
hid1 = (mfspr(HID1) & 0x0001e000) >> 13;
pll_ext = 0; /* No way to read; must get from schematic */
return ev64260_get_bus_speed() * cpu_745x[pll_ext][hid1]/2;
}
}
unsigned long __init
ev64260_find_end_of_memory(void)
{
return mv64x60_get_mem_size(CONFIG_MV64X60_NEW_BASE,
MV64x60_TYPE_GT64260A);
}
/*
* Marvell/Galileo EV-64260-BP Evaluation Board PCI interrupt routing.
* Note: By playing with J8 and JP1-4, you can get 2 IRQ's from the first
* PCI bus (in which cast, INTPIN B would be EV64260_PCI_1_IRQ).
* This is the most IRQs you can get from one bus with this board, though.
*/
static int __init
ev64260_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
struct pci_controller *hose = pci_bus_to_hose(dev->bus->number);
if (hose->index == 0) {
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{EV64260_PCI_0_IRQ,0,0,0}, /* IDSEL 7 - PCI bus 0 */
{EV64260_PCI_0_IRQ,0,0,0}, /* IDSEL 8 - PCI bus 0 */
};
const long min_idsel = 7, max_idsel = 8, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
else {
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{ EV64260_PCI_1_IRQ,0,0,0}, /* IDSEL 7 - PCI bus 1 */
{ EV64260_PCI_1_IRQ,0,0,0}, /* IDSEL 8 - PCI bus 1 */
};
const long min_idsel = 7, max_idsel = 8, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
}
static void __init
ev64260_setup_peripherals(void)
{
mv64x60_set_32bit_window(&bh, MV64x60_CPU2BOOT_WIN,
EV64260_EMB_FLASH_BASE, EV64260_EMB_FLASH_SIZE, 0);
bh.ci->enable_window_32bit(&bh, MV64x60_CPU2BOOT_WIN);
mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_0_WIN,
EV64260_EXT_SRAM_BASE, EV64260_EXT_SRAM_SIZE, 0);
bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_0_WIN);
mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_1_WIN,
EV64260_TODC_BASE, EV64260_TODC_SIZE, 0);
bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_1_WIN);
mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_2_WIN,
EV64260_UART_BASE, EV64260_UART_SIZE, 0);
bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_2_WIN);
mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_3_WIN,
EV64260_EXT_FLASH_BASE, EV64260_EXT_FLASH_SIZE, 0);
bh.ci->enable_window_32bit(&bh, MV64x60_CPU2DEV_3_WIN);
TODC_INIT(TODC_TYPE_DS1501, 0, 0,
ioremap(EV64260_TODC_BASE, EV64260_TODC_SIZE), 8);
mv64x60_clr_bits(&bh, MV64x60_CPU_CONFIG,((1<<12) | (1<<28) | (1<<29)));
mv64x60_set_bits(&bh, MV64x60_CPU_CONFIG, (1<<27));
if (ev64260_get_bus_speed() > 100000000)
mv64x60_set_bits(&bh, MV64x60_CPU_CONFIG, (1<<23));
mv64x60_set_bits(&bh, MV64x60_PCI0_PCI_DECODE_CNTL, ((1<<0) | (1<<3)));
mv64x60_set_bits(&bh, MV64x60_PCI1_PCI_DECODE_CNTL, ((1<<0) | (1<<3)));
/*
* Enabling of PCI internal-vs-external arbitration
* is a platform- and errata-dependent decision.
*/
if (bh.type == MV64x60_TYPE_GT64260A ) {
mv64x60_set_bits(&bh, MV64x60_PCI0_ARBITER_CNTL, (1<<31));
mv64x60_set_bits(&bh, MV64x60_PCI1_ARBITER_CNTL, (1<<31));
}
mv64x60_set_bits(&bh, MV64x60_CPU_MASTER_CNTL, (1<<9)); /* Only 1 cpu */
/*
* Turn off timer/counters. Not turning off watchdog timer because
* can't read its reg on the 64260A so don't know if we'll be enabling
* or disabling.
*/
mv64x60_clr_bits(&bh, MV64x60_TIMR_CNTR_0_3_CNTL,
((1<<0) | (1<<8) | (1<<16) | (1<<24)));
mv64x60_clr_bits(&bh, GT64260_TIMR_CNTR_4_7_CNTL,
((1<<0) | (1<<8) | (1<<16) | (1<<24)));
/*
* Set MPSC Multiplex RMII
* NOTE: ethernet driver modifies bit 0 and 1
*/
mv64x60_write(&bh, GT64260_MPP_SERIAL_PORTS_MULTIPLEX, 0x00001102);
/*
* The EV-64260-BP uses several Multi-Purpose Pins (MPP) on the 64260
* bridge as interrupt inputs (via the General Purpose Ports (GPP)
* register). Need to route the MPP inputs to the GPP and set the
* polarity correctly.
*
* In MPP Control 2 Register
* MPP 21 -> GPP 21 (DUART channel A intr) bits 20-23 -> 0
* MPP 22 -> GPP 22 (DUART channel B intr) bits 24-27 -> 0
*/
mv64x60_clr_bits(&bh, MV64x60_MPP_CNTL_2, (0xf<<20) | (0xf<<24) );
/*
* In MPP Control 3 Register
* MPP 26 -> GPP 26 (RTC INT) bits 8-11 -> 0
* MPP 27 -> GPP 27 (PCI 0 INTA) bits 12-15 -> 0
* MPP 29 -> GPP 29 (PCI 1 INTA) bits 20-23 -> 0
*/
mv64x60_clr_bits(&bh, MV64x60_MPP_CNTL_3, (0xf<<8)|(0xf<<12)|(0xf<<20));
#define GPP_EXTERNAL_INTERRUPTS \
((1<<21) | (1<<22) | (1<<26) | (1<<27) | (1<<29))
/* DUART & PCI interrupts are inputs */
mv64x60_clr_bits(&bh, MV64x60_GPP_IO_CNTL, GPP_EXTERNAL_INTERRUPTS);
/* DUART & PCI interrupts are active low */
mv64x60_set_bits(&bh, MV64x60_GPP_LEVEL_CNTL, GPP_EXTERNAL_INTERRUPTS);
/* Clear any pending interrupts for these inputs and enable them. */
mv64x60_write(&bh, MV64x60_GPP_INTR_CAUSE, ~GPP_EXTERNAL_INTERRUPTS);
mv64x60_set_bits(&bh, MV64x60_GPP_INTR_MASK, GPP_EXTERNAL_INTERRUPTS);
return;
}
static void __init
ev64260_setup_bridge(void)
{
struct mv64x60_setup_info si;
int i;
memset(&si, 0, sizeof(si));
si.phys_reg_base = CONFIG_MV64X60_NEW_BASE;
si.pci_0.enable_bus = 1;
si.pci_0.pci_io.cpu_base = EV64260_PCI0_IO_CPU_BASE;
si.pci_0.pci_io.pci_base_hi = 0;
si.pci_0.pci_io.pci_base_lo = EV64260_PCI0_IO_PCI_BASE;
si.pci_0.pci_io.size = EV64260_PCI0_IO_SIZE;
si.pci_0.pci_io.swap = MV64x60_CPU2PCI_SWAP_NONE;
si.pci_0.pci_mem[0].cpu_base = EV64260_PCI0_MEM_CPU_BASE;
si.pci_0.pci_mem[0].pci_base_hi = 0;
si.pci_0.pci_mem[0].pci_base_lo = EV64260_PCI0_MEM_PCI_BASE;
si.pci_0.pci_mem[0].size = EV64260_PCI0_MEM_SIZE;
si.pci_0.pci_mem[0].swap = MV64x60_CPU2PCI_SWAP_NONE;
si.pci_0.pci_cmd_bits = 0;
si.pci_0.latency_timer = 0x8;
si.pci_1.enable_bus = 1;
si.pci_1.pci_io.cpu_base = EV64260_PCI1_IO_CPU_BASE;
si.pci_1.pci_io.pci_base_hi = 0;
si.pci_1.pci_io.pci_base_lo = EV64260_PCI1_IO_PCI_BASE;
si.pci_1.pci_io.size = EV64260_PCI1_IO_SIZE;
si.pci_1.pci_io.swap = MV64x60_CPU2PCI_SWAP_NONE;
si.pci_1.pci_mem[0].cpu_base = EV64260_PCI1_MEM_CPU_BASE;
si.pci_1.pci_mem[0].pci_base_hi = 0;
si.pci_1.pci_mem[0].pci_base_lo = EV64260_PCI1_MEM_PCI_BASE;
si.pci_1.pci_mem[0].size = EV64260_PCI1_MEM_SIZE;
si.pci_1.pci_mem[0].swap = MV64x60_CPU2PCI_SWAP_NONE;
si.pci_1.pci_cmd_bits = 0;
si.pci_1.latency_timer = 0x8;
for (i=0; i<MV64x60_CPU2MEM_WINDOWS; i++) {
si.cpu_prot_options[i] = 0;
si.cpu_snoop_options[i] = GT64260_CPU_SNOOP_WB;
si.pci_0.acc_cntl_options[i] =
GT64260_PCI_ACC_CNTL_DREADEN |
GT64260_PCI_ACC_CNTL_RDPREFETCH |
GT64260_PCI_ACC_CNTL_RDLINEPREFETCH |
GT64260_PCI_ACC_CNTL_RDMULPREFETCH |
GT64260_PCI_ACC_CNTL_SWAP_NONE |
GT64260_PCI_ACC_CNTL_MBURST_32_BTYES;
si.pci_0.snoop_options[i] = GT64260_PCI_SNOOP_WB;
si.pci_1.acc_cntl_options[i] =
GT64260_PCI_ACC_CNTL_DREADEN |
GT64260_PCI_ACC_CNTL_RDPREFETCH |
GT64260_PCI_ACC_CNTL_RDLINEPREFETCH |
GT64260_PCI_ACC_CNTL_RDMULPREFETCH |
GT64260_PCI_ACC_CNTL_SWAP_NONE |
GT64260_PCI_ACC_CNTL_MBURST_32_BTYES;
si.pci_1.snoop_options[i] = GT64260_PCI_SNOOP_WB;
}
/* Lookup PCI host bridges */
if (mv64x60_init(&bh, &si))
printk("Bridge initialization failed.\n");
pci_dram_offset = 0; /* System mem at same addr on PCI & cpu bus */
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = ev64260_map_irq;
ppc_md.pci_exclude_device = mv64x60_pci_exclude_device;
mv64x60_set_bus(&bh, 0, 0);
bh.hose_a->first_busno = 0;
bh.hose_a->last_busno = 0xff;
bh.hose_a->last_busno = pciauto_bus_scan(bh.hose_a, 0);
bh.hose_b->first_busno = bh.hose_a->last_busno + 1;
mv64x60_set_bus(&bh, 1, bh.hose_b->first_busno);
bh.hose_b->last_busno = 0xff;
bh.hose_b->last_busno = pciauto_bus_scan(bh.hose_b,
bh.hose_b->first_busno);
return;
}
#if defined(CONFIG_SERIAL_8250) && !defined(CONFIG_SERIAL_MPSC_CONSOLE)
static void __init
ev64260_early_serial_map(void)
{
struct uart_port port;
static char first_time = 1;
if (first_time) {
memset(&port, 0, sizeof(port));
port.membase = ioremap(EV64260_SERIAL_0, EV64260_UART_SIZE);
port.irq = EV64260_UART_0_IRQ;
port.uartclk = BASE_BAUD * 16;
port.regshift = 2;
port.iotype = SERIAL_IO_MEM;
port.flags = STD_COM_FLAGS;
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
gen550_init(0, &port);
#endif
if (early_serial_setup(&port) != 0)
printk("Early serial init of port 0 failed\n");
first_time = 0;
}
return;
}
#elif defined(CONFIG_SERIAL_MPSC_CONSOLE)
static void __init
ev64260_early_serial_map(void)
{
}
#endif
static int __init
ev64260_fixup_pd(void)
{
#if defined(CONFIG_SERIAL_MPSC)
struct list_head *entry;
struct platform_device *pd;
struct device *dev;
struct mpsc_pd_dd *dd;
list_for_each(entry, &platform_bus_type.devices.list) {
dev = container_of(entry, struct device, bus_list);
pd = container_of(dev, struct platform_device, dev);
if (!strncmp(pd->name, MPSC_CTLR_NAME, BUS_ID_SIZE)) {
dd = (struct mpsc_pd_dd *) dev_get_drvdata(&pd->dev);
dd->max_idle = 40;
dd->default_baud = EV64260_DEFAULT_BAUD;
dd->brg_clk_src = EV64260_MPSC_CLK_SRC;
dd->brg_clk_freq = EV64260_MPSC_CLK_FREQ;
}
}
#endif
return 0;
}
subsys_initcall(ev64260_fixup_pd);
static void __init
ev64260_setup_arch(void)
{
if (ppc_md.progress)
ppc_md.progress("ev64260_setup_arch: enter", 0);
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_SDA2;
#endif
if (ppc_md.progress)
ppc_md.progress("ev64260_setup_arch: Enabling L2 cache", 0);
/* Enable L2 and L3 caches (if 745x) */
_set_L2CR(_get_L2CR() | L2CR_L2E);
_set_L3CR(_get_L3CR() | L3CR_L3E);
if (ppc_md.progress)
ppc_md.progress("ev64260_setup_arch: Initializing bridge", 0);
ev64260_setup_bridge(); /* set up PCI bridge(s) */
ev64260_setup_peripherals(); /* set up chip selects/GPP/MPP etc */
if (ppc_md.progress)
ppc_md.progress("ev64260_setup_arch: bridge init complete", 0);
#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_MPSC_CONSOLE)
ev64260_early_serial_map();
#endif
printk(BOARD_VENDOR " " BOARD_MACHINE "\n");
printk("EV-64260-BP port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
if (ppc_md.progress)
ppc_md.progress("ev64260_setup_arch: exit", 0);
return;
}
static void
ev64260_reset_board(void *addr)
{
local_irq_disable();
/* disable and invalidate the L2 cache */
_set_L2CR(0);
_set_L2CR(0x200000);
/* flush and disable L1 I/D cache */
__asm__ __volatile__
("mfspr 3,1008\n\t"
"ori 5,5,0xcc00\n\t"
"ori 4,3,0xc00\n\t"
"andc 5,3,5\n\t"
"sync\n\t"
"mtspr 1008,4\n\t"
"isync\n\t"
"sync\n\t"
"mtspr 1008,5\n\t"
"isync\n\t"
"sync\n\t");
/* unmap any other random cs's that might overlap with bootcs */
mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_0_WIN, 0, 0, 0);
bh.ci->disable_window_32bit(&bh, MV64x60_CPU2DEV_0_WIN);
mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_1_WIN, 0, 0, 0);
bh.ci->disable_window_32bit(&bh, MV64x60_CPU2DEV_1_WIN);
mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_2_WIN, 0, 0, 0);
bh.ci->disable_window_32bit(&bh, MV64x60_CPU2DEV_2_WIN);
mv64x60_set_32bit_window(&bh, MV64x60_CPU2DEV_3_WIN, 0, 0, 0);
bh.ci->disable_window_32bit(&bh, MV64x60_CPU2DEV_3_WIN);
/* map bootrom back in to gt @ reset defaults */
mv64x60_set_32bit_window(&bh, MV64x60_CPU2BOOT_WIN,
0xff800000, 8*1024*1024, 0);
bh.ci->disable_window_32bit(&bh, MV64x60_CPU2BOOT_WIN);
/* move reg base back to default, setup default pci0 */
mv64x60_write(&bh, MV64x60_INTERNAL_SPACE_DECODE,
(1<<24) | CONFIG_MV64X60_BASE >> 20);
/* NOTE: FROM NOW ON no more GT_REGS accesses.. 0x1 is not mapped
* via BAT or MMU, and MSR IR/DR is ON */
/* SRR0 has system reset vector, SRR1 has default MSR value */
/* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
/* NOTE: assumes reset vector is at 0xfff00100 */
__asm__ __volatile__
("mtspr 26, %0\n\t"
"li 4,(1<<6)\n\t"
"mtspr 27,4\n\t"
"rfi\n\t"
:: "r" (addr):"r4");
return;
}
static void
ev64260_restart(char *cmd)
{
volatile ulong i = 10000000;
ev64260_reset_board((void *)0xfff00100);
while (i-- > 0);
panic("restart failed\n");
}
static void
ev64260_halt(void)
{
local_irq_disable();
while (1);
/* NOTREACHED */
}
static void
ev64260_power_off(void)
{
ev64260_halt();
/* NOTREACHED */
}
static int
ev64260_show_cpuinfo(struct seq_file *m)
{
uint pvid;
pvid = mfspr(PVR);
seq_printf(m, "vendor\t\t: " BOARD_VENDOR "\n");
seq_printf(m, "machine\t\t: " BOARD_MACHINE "\n");
seq_printf(m, "cpu MHz\t\t: %d\n", ev64260_get_cpu_speed()/1000/1000);
seq_printf(m, "bus MHz\t\t: %d\n", ev64260_get_bus_speed()/1000/1000);
return 0;
}
/* DS1501 RTC has too much variation to use RTC for calibration */
static void __init
ev64260_calibrate_decr(void)
{
ulong freq;
freq = ev64260_get_bus_speed()/4;
printk("time_init: decrementer frequency = %lu.%.6lu MHz\n",
freq/1000000, freq%1000000);
tb_ticks_per_jiffy = freq / HZ;
tb_to_us = mulhwu_scale_factor(freq, 1000000);
return;
}
/*
* Set BAT 3 to map 0xfb000000 to 0xfc000000 of physical memory space.
*/
static __inline__ void
ev64260_set_bat(void)
{
mb();
mtspr(DBAT1U, 0xfb0001fe);
mtspr(DBAT1L, 0xfb00002a);
mb();
return;
}
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
static void __init
ev64260_map_io(void)
{
io_block_mapping(0xfb000000, 0xfb000000, 0x01000000, _PAGE_IO);
}
#endif
void __init
platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
#ifdef CONFIG_BLK_DEV_INITRD
extern int initrd_below_start_ok;
initrd_start=initrd_end=0;
initrd_below_start_ok=0;
#endif /* CONFIG_BLK_DEV_INITRD */
parse_bootinfo(find_bootinfo());
isa_mem_base = 0;
isa_io_base = EV64260_PCI0_IO_CPU_BASE;
pci_dram_offset = EV64260_PCI0_MEM_CPU_BASE;
loops_per_jiffy = ev64260_get_cpu_speed() / HZ;
ppc_md.setup_arch = ev64260_setup_arch;
ppc_md.show_cpuinfo = ev64260_show_cpuinfo;
ppc_md.init_IRQ = gt64260_init_irq;
ppc_md.get_irq = gt64260_get_irq;
ppc_md.restart = ev64260_restart;
ppc_md.power_off = ev64260_power_off;
ppc_md.halt = ev64260_halt;
ppc_md.find_end_of_memory = ev64260_find_end_of_memory;
ppc_md.init = NULL;
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.get_rtc_time = todc_get_rtc_time;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
ppc_md.calibrate_decr = ev64260_calibrate_decr;
bh.p_base = CONFIG_MV64X60_NEW_BASE;
ev64260_set_bat();
#ifdef CONFIG_SERIAL_8250
#if defined(CONFIG_SERIAL_TEXT_DEBUG)
ppc_md.setup_io_mappings = ev64260_map_io;
ppc_md.progress = gen550_progress;
#endif
#if defined(CONFIG_KGDB)
ppc_md.setup_io_mappings = ev64260_map_io;
ppc_md.early_serial_map = ev64260_early_serial_map;
#endif
#elif defined(CONFIG_SERIAL_MPSC_CONSOLE)
#ifdef CONFIG_SERIAL_TEXT_DEBUG
ppc_md.setup_io_mappings = ev64260_map_io;
ppc_md.progress = mv64x60_mpsc_progress;
mv64x60_progress_init(CONFIG_MV64X60_NEW_BASE);
#endif /* CONFIG_SERIAL_TEXT_DEBUG */
#ifdef CONFIG_KGDB
ppc_md.setup_io_mappings = ev64260_map_io;
ppc_md.early_serial_map = ev64260_early_serial_map;
#endif /* CONFIG_KGDB */
#endif
return;
}
......@@ -5,38 +5,103 @@
*
* Author: Mark A. Greer <mgreer@mvista.com>
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* 2001-2002 (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.
*/
/*
* The GT64260 has 2 PCI buses each with 1 window from the CPU bus to
* The MV64x60 has 2 PCI buses each with 1 window from the CPU bus to
* PCI I/O space and 4 windows from the CPU bus to PCI MEM space.
* We'll only use one PCI MEM window on each PCI bus.
*
* This is the CPU physical memory map (windows must be at least 1MB and start
* on a boundary that is a multiple of the window size):
*
* 0xfc000000-0xffffffff - External FLASH on device module
* 0xfbf00000-0xfbffffff - Embedded (on board) FLASH
* 0xfbe00000-0xfbefffff - GT64260 Registers (preferably)
* but really a config option
* 0xfbd00000-0xfbdfffff - External SRAM on device module
* 0xfbc00000-0xfbcfffff - TODC chip on device module
* 0xfbb00000-0xfbbfffff - External UART on device module
* 0xa2000000-0xfbafffff - <hole>
* 0xa1000000-0xa1ffffff - PCI 1 I/O (defined in gt64260.h)
* 0xa0000000-0xa0ffffff - PCI 0 I/O (defined in gt64260.h)
* 0x90000000-0x9fffffff - PCI 1 MEM (defined in gt64260.h)
* 0x80000000-0x8fffffff - PCI 0 MEM (defined in gt64260.h)
*/
#ifndef __PPC_PLATFORMS_EV64260_H
#define __PPC_PLATFORMS_EV64260_H
#define EV64260_BRIDGE_REG_BASE 0xf8000000
#define EV64260_BRIDGE_REG_BASE_TO_TOP 0x08000000U
/* PCI mappings */
#define EV64260_PCI0_IO_CPU_BASE 0xa0000000
#define EV64260_PCI0_IO_PCI_BASE 0x00000000
#define EV64260_PCI0_IO_SIZE 0x01000000
#define EV64260_PCI0_MEM_CPU_BASE 0x80000000
#define EV64260_PCI0_MEM_PCI_BASE 0x80000000
#define EV64260_PCI0_MEM_SIZE 0x10000000
#define EV64260_PCI1_IO_CPU_BASE (EV64260_PCI0_IO_CPU_BASE + \
EV64260_PCI0_IO_SIZE)
#define EV64260_PCI1_IO_PCI_BASE (EV64260_PCI0_IO_PCI_BASE + \
EV64260_PCI0_IO_SIZE)
#define EV64260_PCI1_IO_SIZE 0x01000000
#define EV64260_PCI1_MEM_CPU_BASE (EV64260_PCI0_MEM_CPU_BASE + \
EV64260_PCI0_MEM_SIZE)
#define EV64260_PCI1_MEM_PCI_BASE (EV64260_PCI0_MEM_PCI_BASE + \
EV64260_PCI0_MEM_SIZE)
#define EV64260_PCI1_MEM_SIZE 0x10000000
/* CPU Physical Memory Map setup (other than PCI) */
#define EV64260_EXT_FLASH_BASE 0xfc000000
#define EV64260_EMB_FLASH_BASE 0xfbf00000
#define EV64260_EXT_SRAM_BASE 0xfbd00000
#define EV64260_TODC_BASE 0xfbc00000
#define EV64260_UART_BASE 0xfbb00000
#define EV64260_EXT_FLASH_SIZE_ACTUAL 0x04000000 /* <= 64MB Extern FLASH */
#define EV64260_EMB_FLASH_SIZE_ACTUAL 0x00080000 /* 512KB of Embed FLASH */
#define EV64260_EXT_SRAM_SIZE_ACTUAL 0x00100000 /* 1MB SDRAM */
#define EV64260_TODC_SIZE_ACTUAL 0x00000020 /* 32 bytes for TODC */
#define EV64260_UART_SIZE_ACTUAL 0x00000040 /* 64 bytes for DUART */
#define EV64260_EXT_FLASH_SIZE max(GT64260_WINDOW_SIZE_MIN, \
EV64260_EXT_FLASH_SIZE_ACTUAL)
#define EV64260_EMB_FLASH_SIZE max(GT64260_WINDOW_SIZE_MIN, \
EV64260_EMB_FLASH_SIZE_ACTUAL)
#define EV64260_EXT_SRAM_SIZE max(GT64260_WINDOW_SIZE_MIN, \
EV64260_EXT_SRAM_SIZE_ACTUAL)
#define EV64260_TODC_SIZE max(GT64260_WINDOW_SIZE_MIN, \
EV64260_TODC_SIZE_ACTUAL)
/* Assembler in bootwrapper blows up if 'max' is used */
#define EV64260_UART_SIZE GT64260_WINDOW_SIZE_MIN
#define EV64260_UART_END ((EV64260_UART_BASE + \
EV64260_UART_SIZE - 1) & 0xfff00000)
#define EV64260_TODC_BASE 0xfc800000
#define EV64260_TODC_LEN 0x00800000
#define EV64260_TODC_END (EV64260_TODC_BASE + \
EV64260_TODC_LEN - 1)
/* Board-specific IRQ info */
#define EV64260_UART_0_IRQ 85
#define EV64260_UART_1_IRQ 86
#define EV64260_PCI_0_IRQ 91
#define EV64260_PCI_1_IRQ 93
#define EV64260_UART_BASE 0xfd000000
#define EV64260_UART_LEN 0x00800000
#define EV64260_UART_END (EV64260_UART_BASE + \
EV64260_UART_LEN - 1)
/* Serial driver setup. */
/* Serial port setup */
#define EV64260_DEFAULT_BAUD 115200
#if defined(CONFIG_SERIAL_MPSC_CONSOLE)
#define SERIAL_PORT_DFNS
#define EV64260_MPSC_CLK_SRC 8 /* TCLK */
#define EV64260_MPSC_CLK_FREQ 100000000 /* 100MHz clk */
#else
#define EV64260_SERIAL_0 (EV64260_UART_BASE + 0x20)
#define EV64260_SERIAL_1 EV64260_UART_BASE
#define BASE_BAUD ( 3686400 / 16 )
#define BASE_BAUD (EV64260_DEFAULT_BAUD * 2)
#ifdef CONFIG_SERIAL_MANY_PORTS
#define RS_TABLE_SIZE 64
......@@ -50,18 +115,14 @@
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST)
#endif
#if !defined(CONFIG_GT64260_CONSOLE)
/* Required for bootloader's ns16550.c code */
#define STD_SERIAL_PORT_DFNS \
{ 0, BASE_BAUD, EV64260_SERIAL_0, 85, STD_COM_FLAGS, /* ttyS0 */\
iomem_base: (u8 *)EV64260_SERIAL_0, \
{ 0, BASE_BAUD, EV64260_SERIAL_0, EV64260_UART_0_IRQ, STD_COM_FLAGS, \
iomem_base: (u8 *)EV64260_SERIAL_0, /* ttyS0 */ \
iomem_reg_shift: 2, \
io_type: SERIAL_IO_MEM },
#define SERIAL_PORT_DFNS \
STD_SERIAL_PORT_DFNS
#else
#define SERIAL_PORT_DFNS
#endif
#endif /* __PPC_PLATFORMS_EV64260_H */
/*
* arch/ppc/platforms/ev64260_setup.c
*
* Board setup routines for the Marvell/Galileo EV-64260-BP Evaluation Board.
*
* 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.
*/
/*
* The EV-64260-BP port is the result of hard work from many people from
* many companies. In particular, employees of Marvell/Galileo, Mission
* Critical Linux, Xyterra, and MontaVista Software were heavily involved.
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/reboot.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
#include <linux/initrd.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/ide.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#if !defined(CONFIG_GT64260_CONSOLE)
#include <linux/serial.h>
#endif
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/time.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/smp.h>
#include <asm/todc.h>
#include <asm/bootinfo.h>
#include <asm/gt64260.h>
#include <platforms/ev64260.h>
extern char cmd_line[];
unsigned long ev64260_find_end_of_memory(void);
TODC_ALLOC();
/*
* Marvell/Galileo EV-64260-BP Evaluation Board PCI interrupt routing.
*/
static int __init
ev64260_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
struct pci_controller *hose = pci_bus_to_hose(dev->bus->number);
if (hose->index == 0) {
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{ 91, 0, 0, 0 }, /* IDSEL 7 - PCI bus 0 */
{ 91, 0, 0, 0 }, /* IDSEL 8 - PCI bus 0 */
};
const long min_idsel = 7, max_idsel = 8, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
else {
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{ 93, 0, 0, 0 }, /* IDSEL 7 - PCI bus 1 */
{ 93, 0, 0, 0 }, /* IDSEL 8 - PCI bus 1 */
};
const long min_idsel = 7, max_idsel = 8, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
}
static void __init
ev64260_setup_bridge(void)
{
gt64260_bridge_info_t info;
int window;
GT64260_BRIDGE_INFO_DEFAULT(&info, ev64260_find_end_of_memory());
/* Lookup PCI host bridges */
if (gt64260_find_bridges(EV64260_BRIDGE_REG_BASE,
&info,
ev64260_map_irq)) {
printk("Bridge initialization failed.\n");
}
/*
* Enabling of PCI internal-vs-external arbitration
* is a platform- and errata-dependent decision.
*/
if(gt64260_revision == GT64260) {
/* FEr#35 */
gt_clr_bits(GT64260_PCI_0_ARBITER_CNTL, (1<<31));
gt_clr_bits(GT64260_PCI_1_ARBITER_CNTL, (1<<31));
} else if( gt64260_revision == GT64260A ) {
gt_set_bits(GT64260_PCI_0_ARBITER_CNTL, (1<<31));
gt_set_bits(GT64260_PCI_1_ARBITER_CNTL, (1<<31));
/* Make external GPP interrupts level sensitive */
gt_set_bits(GT64260_COMM_ARBITER_CNTL, (1<<10));
/* Doc Change 9: > 100 MHz so must be set */
gt_set_bits(GT64260_CPU_CONFIG, (1<<23));
}
gt_set_bits(GT64260_CPU_MASTER_CNTL, (1<<9)); /* Only 1 cpu */
/* SCS windows not disabled above, disable all but SCS 0 */
for (window=1; window<GT64260_CPU_SCS_DECODE_WINDOWS; window++) {
gt64260_cpu_scs_set_window(window, 0, 0);
}
/* Set up windows to RTC/TODC and DUART on device module (CS 1 & 2) */
gt64260_cpu_cs_set_window(1, EV64260_TODC_BASE, EV64260_TODC_LEN);
gt64260_cpu_cs_set_window(2, EV64260_UART_BASE, EV64260_UART_LEN);
/*
* The EV-64260-BP uses several Multi-Purpose Pins (MPP) on the 64260
* bridge as interrupt inputs (via the General Purpose Ports (GPP)
* register). Need to route the MPP inputs to the GPP and set the
* polarity correctly.
*
* In MPP Control 2 Register
* MPP 21 -> GPP 21 (DUART channel A intr)
* MPP 22 -> GPP 22 (DUART channel B intr)
*
* In MPP Control 3 Register
* MPP 27 -> GPP 27 (PCI 0 INTA)
* MPP 29 -> GPP 29 (PCI 1 INTA)
*/
gt_clr_bits(GT64260_MPP_CNTL_2,
((1<<20) | (1<<21) | (1<<22) | (1<<23) |
(1<<24) | (1<<25) | (1<<26) | (1<<27)));
gt_clr_bits(GT64260_MPP_CNTL_3,
((1<<12) | (1<<13) | (1<<14) | (1<<15) |
(1<<20) | (1<<21) | (1<<22) | (1<<23)));
gt_write(GT64260_GPP_LEVEL_CNTL, 0x000002c6);
/* DUART & PCI interrupts are active low */
gt_set_bits(GT64260_GPP_LEVEL_CNTL,
((1<<21) | (1<<22) | (1<<27) | (1<<29)));
/* Clear any pending interrupts for these inputs and enable them. */
gt_write(GT64260_GPP_INTR_CAUSE,
~((1<<21) | (1<<22) | (1<<27) | (1<<29)));
gt_set_bits(GT64260_GPP_INTR_MASK,
((1<<21) | (1<<22)| (1<<27) | (1<<29)));
gt_set_bits(GT64260_IC_CPU_INTR_MASK_HI, ((1<<26) | (1<<27)));
/* Set MPSC Multiplex RMII */
/* NOTE: ethernet driver modifies bit 0 and 1 */
gt_write(GT64260_MPP_SERIAL_PORTS_MULTIPLEX, 0x00001102);
return;
}
static void __init
ev64260_setup_arch(void)
{
#if !defined(CONFIG_GT64260_CONSOLE)
struct serial_struct serial_req;
#endif
if ( ppc_md.progress )
ppc_md.progress("ev64260_setup_arch: enter", 0);
loops_per_jiffy = 50000000 / HZ;
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_SDA2;
#endif
if ( ppc_md.progress )
ppc_md.progress("ev64260_setup_arch: find_bridges", 0);
/*
* Set up the L2CR register.
* L2 cache was invalidated by bootloader.
*/
switch (PVR_VER(mfspr(PVR))) {
case PVR_VER(PVR_750):
_set_L2CR(0xfd100000);
break;
case PVR_VER(PVR_7400):
case PVR_VER(PVR_7410):
_set_L2CR(0xcd100000);
break;
/* case PVR_VER(PVR_7450): */
/* XXXX WHAT VALUE?? FIXME */
break;
}
ev64260_setup_bridge();
TODC_INIT(TODC_TYPE_DS1501, 0, 0, ioremap(EV64260_TODC_BASE,0x20), 8);
#if !defined(CONFIG_GT64260_CONSOLE)
memset(&serial_req, 0, sizeof(serial_req));
serial_req.line = 0;
serial_req.baud_base = BASE_BAUD;
serial_req.port = 0;
serial_req.irq = 85;
serial_req.flags = STD_COM_FLAGS;
serial_req.io_type = SERIAL_IO_MEM;
serial_req.iomem_base = ioremap(EV64260_SERIAL_0, 0x20);
serial_req.iomem_reg_shift = 2;
if (early_serial_setup(&serial_req) != 0) {
printk("Early serial init of port 0 failed\n");
}
/* Assume early_serial_setup() doesn't modify serial_req */
serial_req.line = 1;
serial_req.port = 1;
serial_req.irq = 86;
serial_req.iomem_base = ioremap(EV64260_SERIAL_1, 0x20);
if (early_serial_setup(&serial_req) != 0) {
printk("Early serial init of port 1 failed\n");
}
#endif
printk("Marvell/Galileo EV-64260-BP Evaluation Board\n");
printk("EV-64260-BP port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
if ( ppc_md.progress )
ppc_md.progress("ev64260_setup_arch: exit", 0);
return;
}
static void __init
ev64260_init_irq(void)
{
gt64260_init_irq();
if(gt64260_revision != GT64260) {
/* XXXX Kludge--need to fix gt64260_init_irq() interface */
/* Mark PCI intrs level sensitive */
irq_desc[91].status |= IRQ_LEVEL;
irq_desc[93].status |= IRQ_LEVEL;
}
}
unsigned long __init
ev64260_find_end_of_memory(void)
{
return 32*1024*1024; /* XXXX FIXME */
}
static void
ev64260_reset_board(void)
{
local_irq_disable();
/* Set exception prefix high - to the firmware */
_nmask_and_or_msr(0, MSR_IP);
/* XXX FIXME */
printk("XXXX **** trying to reset board ****\n");
return;
}
static void
ev64260_restart(char *cmd)
{
volatile ulong i = 10000000;
ev64260_reset_board();
while (i-- > 0);
panic("restart failed\n");
}
static void
ev64260_halt(void)
{
local_irq_disable();
while (1);
/* NOTREACHED */
}
static void
ev64260_power_off(void)
{
ev64260_halt();
/* NOTREACHED */
}
static int
ev64260_show_cpuinfo(struct seq_file *m)
{
uint pvid;
pvid = mfspr(PVR);
seq_printf(m, "vendor\t\t: Marvell/Galileo\n");
seq_printf(m, "machine\t\t: EV-64260-BP\n");
seq_printf(m, "PVID\t\t: 0x%x, vendor: %s\n",
pvid, (pvid & (1<<15) ? "IBM" : "Motorola"));
return 0;
}
/* DS1501 RTC has too much variation to use RTC for calibration */
static void __init
ev64260_calibrate_decr(void)
{
ulong freq;
freq = 100000000 / 4;
printk("time_init: decrementer frequency = %lu.%.6lu MHz\n",
freq/1000000, freq%1000000);
tb_ticks_per_jiffy = freq / HZ;
tb_to_us = mulhwu_scale_factor(freq, 1000000);
return;
}
#if defined(CONFIG_SERIAL_TEXT_DEBUG)
/*
* Set BAT 3 to map 0xf0000000 to end of physical memory space.
*/
static __inline__ void
ev64260_set_bat(void)
{
unsigned long bat3u, bat3l;
static int mapping_set = 0;
if (!mapping_set) {
__asm__ __volatile__(
" lis %0,0xf000\n \
ori %1,%0,0x002a\n \
ori %0,%0,0x1ffe\n \
mtspr 0x21e,%0\n \
mtspr 0x21f,%1\n \
isync\n \
sync "
: "=r" (bat3u), "=r" (bat3l));
mapping_set = 1;
}
return;
}
#if !defined(CONFIG_GT64260_CONSOLE)
#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
ev64260_16550_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';
}
}
/* Move to next line on */
while ((*((volatile unsigned char *)com_port +
(UART_LSR << shift)) & UART_LSR_THRE) == 0)
;
*(volatile unsigned char *)com_port = '\n';
while ((*((volatile unsigned char *)com_port +
(UART_LSR << shift)) & UART_LSR_THRE) == 0)
;
*(volatile unsigned char *)com_port = '\r';
return;
}
#endif /* !CONFIG_GT64260_CONSOLE */
#endif /* CONFIG_SERIAL_TEXT_DEBUG */
void __init
platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
parse_bootinfo(find_bootinfo());
isa_mem_base = 0;
ppc_md.setup_arch = ev64260_setup_arch;
ppc_md.show_cpuinfo = ev64260_show_cpuinfo;
ppc_md.irq_canonicalize = NULL;
ppc_md.init_IRQ = ev64260_init_irq;
ppc_md.get_irq = gt64260_get_irq;
ppc_md.init = NULL;
ppc_md.restart = ev64260_restart;
ppc_md.power_off = ev64260_power_off;
ppc_md.halt = ev64260_halt;
ppc_md.find_end_of_memory = ev64260_find_end_of_memory;
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.get_rtc_time = todc_get_rtc_time;
ppc_md.calibrate_decr = ev64260_calibrate_decr;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
ppc_md.heartbeat = NULL;
ppc_md.heartbeat_reset = 0;
ppc_md.heartbeat_count = 0;
#ifdef CONFIG_SERIAL_TEXT_DEBUG
ev64260_set_bat();
#ifdef CONFIG_GT64260_CONSOLE
gt64260_base = EV64260_BRIDGE_REG_BASE;
ppc_md.progress = gt64260_mpsc_progress; /* embedded UART */
#else
ppc_md.progress = ev64260_16550_progress; /* Dev module DUART */
#endif
#else /* !CONFIG_SERIAL_TEXT_DEBUG */
ppc_md.progress = NULL;
#endif /* CONFIG_SERIAL_TEXT_DEBUG */
return;
}
......@@ -40,8 +40,7 @@ obj-$(CONFIG_PPC_PREP) += open_pic.o indirect_pci.o i8259.o todc_time.o
obj-$(CONFIG_ADIR) += i8259.o indirect_pci.o pci_auto.o \
todc_time.o
obj-$(CONFIG_EBONY) += indirect_pci.o pci_auto.o todc_time.o
obj-$(CONFIG_EV64260) += gt64260_common.o gt64260_pic.o \
indirect_pci.o todc_time.o pci_auto.o
obj-$(CONFIG_EV64260) += todc_time.o pci_auto.o
obj-$(CONFIG_GEMINI) += open_pic.o indirect_pci.o
obj-$(CONFIG_GT64260) += gt64260_pic.o
obj-$(CONFIG_K2) += i8259.o indirect_pci.o todc_time.o \
......
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