[U-Boot] [RFC PATCH 1/6] integratorap: split pci support
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Fri May 1 18:41:27 CEST 2009
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
Cc: Peter Pearse <Peter.Pearse at arm.com>
---
board/armltd/integratorap/Makefile | 19 +-
board/armltd/integratorap/integratorap.c | 946 ++++++--------------
.../armltd/integratorap/{integratorap.c => pci.c} | 262 +------
3 files changed, 302 insertions(+), 925 deletions(-)
rewrite board/armltd/integratorap/integratorap.c (63%)
rename board/armltd/integratorap/{integratorap.c => pci.c} (69%)
diff --git a/board/armltd/integratorap/Makefile b/board/armltd/integratorap/Makefile
index 79f501a..a6193c7 100644
--- a/board/armltd/integratorap/Makefile
+++ b/board/armltd/integratorap/Makefile
@@ -29,18 +29,21 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
-COBJS := integratorap.o flash.o
-SOBJS := lowlevel_init.o
+SOBJS-y := lowlevel_init.o
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
+COBJS-y := integratorap.o
+COBJS-y += flash.o
+COBJS-$(CONFIG_PCI) += pci.o
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+COBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS-y))
+
+$(LIB): $(obj).depend $(COBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(COBJS) $(SOBJS)
clean:
- rm -f $(SOBJS) $(OBJS)
+ rm -f $(SOBJS) $(COBJS)
distclean: clean
rm -f $(LIB) core *.bak $(obj).depend
diff --git a/board/armltd/integratorap/integratorap.c b/board/armltd/integratorap/integratorap.c
dissimilarity index 63%
index 5ececd6..d458fe6 100644
--- a/board/armltd/integratorap/integratorap.c
+++ b/board/armltd/integratorap/integratorap.c
@@ -1,656 +1,290 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger at sysgo.de>
- *
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, <d.mueller at elsoft.ch>
- *
- * (C) Copyright 2003
- * Texas Instruments, <www.ti.com>
- * Kshitij Gupta <Kshitij at ti.com>
- *
- * (C) Copyright 2004
- * ARM Ltd.
- * Philippe Robin, <philippe.robin at arm.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-
-#ifdef CONFIG_PCI
-#include <pci.h>
-#endif
-
-#include <netdev.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void flash__init (void);
-void ether__init (void);
-void peripheral_power_enable (void);
-
-#if defined(CONFIG_SHOW_BOOT_PROGRESS)
-void show_boot_progress(int progress)
-{
- printf("Boot reached stage %d\n", progress);
-}
-#endif
-
-#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
-
-static inline void delay (unsigned long loops)
-{
- __asm__ volatile ("1:\n"
- "subs %0, %1, #1\n"
- "bne 1b":"=r" (loops):"0" (loops));
-}
-
-/*
- * Miscellaneous platform dependent initialisations
- */
-
-int board_init (void)
-{
- /* arch number of Integrator Board */
- gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0x00000100;
-
- gd->flags = 0;
-
-#ifdef CONFIG_CM_REMAP
-extern void cm_remap(void);
- cm_remap(); /* remaps writeable memory to 0x00000000 */
-#endif
-
- icache_enable ();
-
- flash__init ();
- return 0;
-}
-
-
-int misc_init_r (void)
-{
-#ifdef CONFIG_PCI
- pci_init();
-#endif
- setenv("verify", "n");
- return (0);
-}
-
-/*
- * Initialize PCI Devices, report devices found.
- */
-#ifdef CONFIG_PCI
-
-#ifndef CONFIG_PCI_PNP
-
-static struct pci_config_table pci_integrator_config_table[] = {
- { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
- pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
- PCI_ENET0_MEMADDR,
- PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
- { }
-};
-#endif
-
-/* V3 access routines */
-#define _V3Write16(o,v) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned short)(v))
-#define _V3Read16(o) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)))
-
-#define _V3Write32(o,v) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned int)(v))
-#define _V3Read32(o) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o)))
-
-/* Compute address necessary to access PCI config space for the given */
-/* bus and device. */
-#define PCI_CONFIG_ADDRESS( __bus, __devfn, __offset ) ({ \
- unsigned int __address, __devicebit; \
- unsigned short __mapaddress; \
- unsigned int __dev = PCI_DEV (__devfn); /* FIXME to check!! (slot?) */ \
- \
- if (__bus == 0) { \
- /* local bus segment so need a type 0 config cycle */ \
- /* build the PCI configuration "address" with one-hot in A31-A11 */ \
- __address = PCI_CONFIG_BASE; \
- __address |= ((__devfn & 0x07) << 8); \
- __address |= __offset & 0xFF; \
- __mapaddress = 0x000A; /* 101=>config cycle, 0=>A1=A0=0 */ \
- __devicebit = (1 << (__dev + 11)); \
- \
- if ((__devicebit & 0xFF000000) != 0) { \
- /* high order bits are handled by the MAP register */ \
- __mapaddress |= (__devicebit >> 16); \
- } else { \
- /* low order bits handled directly in the address */ \
- __address |= __devicebit; \
- } \
- } else { /* bus !=0 */ \
- /* not the local bus segment so need a type 1 config cycle */ \
- /* A31-A24 are don't care (so clear to 0) */ \
- __mapaddress = 0x000B; /* 101=>config cycle, 1=>A1&A0 from PCI_CFG */ \
- __address = PCI_CONFIG_BASE; \
- __address |= ((__bus & 0xFF) << 16); /* bits 23..16 = bus number */ \
- __address |= ((__dev & 0x1F) << 11); /* bits 15..11 = device number */ \
- __address |= ((__devfn & 0x07) << 8); /* bits 10..8 = function number */ \
- __address |= __offset & 0xFF; /* bits 7..0 = register number */ \
- } \
- _V3Write16 (V3_LB_MAP1, __mapaddress); \
- __address; \
-})
-
-/* _V3OpenConfigWindow - open V3 configuration window */
-#define _V3OpenConfigWindow() { \
- /* Set up base0 to see all 512Mbytes of memory space (not */ \
- /* prefetchable), this frees up base1 for re-use by configuration*/ \
- /* memory */ \
- \
- _V3Write32 (V3_LB_BASE0, ((INTEGRATOR_PCI_BASE & 0xFFF00000) | \
- 0x90 | V3_LB_BASE_M_ENABLE)); \
- /* Set up base1 to point into configuration space, note that MAP1 */ \
- /* register is set up by pciMakeConfigAddress(). */ \
- \
- _V3Write32 (V3_LB_BASE1, ((CPU_PCI_CNFG_ADRS & 0xFFF00000) | \
- 0x40 | V3_LB_BASE_M_ENABLE)); \
-}
-
-/* _V3CloseConfigWindow - close V3 configuration window */
-#define _V3CloseConfigWindow() { \
- /* Reassign base1 for use by prefetchable PCI memory */ \
- _V3Write32 (V3_LB_BASE1, (((INTEGRATOR_PCI_BASE + 0x10000000) & 0xFFF00000) \
- | 0x84 | V3_LB_BASE_M_ENABLE)); \
- _V3Write16 (V3_LB_MAP1, \
- (((INTEGRATOR_PCI_BASE + 0x10000000) & 0xFFF00000) >> 16) | 0x0006); \
- \
- /* And shrink base0 back to a 256M window (NOTE: MAP0 already correct) */ \
- \
- _V3Write32 (V3_LB_BASE0, ((INTEGRATOR_PCI_BASE & 0xFFF00000) | \
- 0x80 | V3_LB_BASE_M_ENABLE)); \
-}
-
-static int pci_integrator_read_byte (struct pci_controller *hose, pci_dev_t dev,
- int offset, unsigned char *val)
-{
- _V3OpenConfigWindow ();
- *val = *(volatile unsigned char *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset);
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_read__word (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned short *val)
-{
- _V3OpenConfigWindow ();
- *val = *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset);
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_read_dword (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned int *val)
-{
- _V3OpenConfigWindow ();
- *val = *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset);
- *val |= (*(volatile unsigned int *)
- PCI_CONFIG_ADDRESS (PCI_BUS (dev), PCI_FUNC (dev),
- (offset + 2))) << 16;
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_write_byte (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned char val)
-{
- _V3OpenConfigWindow ();
- *(volatile unsigned char *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset) = val;
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_write_word (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned short val)
-{
- _V3OpenConfigWindow ();
- *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset) = val;
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_write_dword (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned int val)
-{
- _V3OpenConfigWindow ();
- *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset) = (val & 0xFFFF);
- *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- (offset + 2)) = ((val >> 16) & 0xFFFF);
- _V3CloseConfigWindow ();
-
- return 0;
-}
-/******************************
- * PCI initialisation
- ******************************/
-
-struct pci_controller integrator_hose = {
-#ifndef CONFIG_PCI_PNP
- config_table: pci_integrator_config_table,
-#endif
-};
-
-void pci_init_board (void)
-{
- volatile int i, j;
- struct pci_controller *hose = &integrator_hose;
-
- /* setting this register will take the V3 out of reset */
-
- *(volatile unsigned int *) (INTEGRATOR_SC_PCIENABLE) = 1;
-
- /* wait a few usecs to settle the device and the PCI bus */
-
- for (i = 0; i < 100; i++)
- j = i + 1;
-
- /* Now write the Base I/O Address Word to V3_BASE + 0x6C */
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_IO_BASE) =
- (unsigned short) (V3_BASE >> 16);
-
- do {
- *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA) = 0xAA;
- *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA + 4) =
- 0x55;
- } while (*(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA) != 0xAA
- || *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA +
- 4) != 0x55);
-
- /* Make sure that V3 register access is not locked, if it is, unlock it */
-
- if ((*(volatile unsigned short *) (V3_BASE + V3_SYSTEM) &
- V3_SYSTEM_M_LOCK)
- == V3_SYSTEM_M_LOCK)
- *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) = 0xA05F;
-
- /* Ensure that the slave accesses from PCI are disabled while we */
- /* setup windows */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) &=
- ~(V3_COMMAND_M_MEM_EN | V3_COMMAND_M_IO_EN);
-
- /* Clear RST_OUT to 0; keep the PCI bus in reset until we've finished */
-
- *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) &=
- ~V3_SYSTEM_M_RST_OUT;
-
- /* Make all accesses from PCI space retry until we're ready for them */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CFG) |=
- V3_PCI_CFG_M_RETRY_EN;
-
- /* Set up any V3 PCI Configuration Registers that we absolutely have to */
- /* LB_CFG controls Local Bus protocol. */
- /* Enable LocalBus byte strobes for READ accesses too. */
- /* set bit 7 BE_IMODE and bit 6 BE_OMODE */
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_CFG) |= 0x0C0;
-
- /* PCI_CMD controls overall PCI operation. */
- /* Enable PCI bus master. */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) |= 0x04;
-
- /* PCI_MAP0 controls where the PCI to CPU memory window is on Local Bus */
-
- *(volatile unsigned int *) (V3_BASE + V3_PCI_MAP0) =
- (INTEGRATOR_BOOT_ROM_BASE) | (V3_PCI_MAP_M_ADR_SIZE_512M |
- V3_PCI_MAP_M_REG_EN |
- V3_PCI_MAP_M_ENABLE);
-
- /* PCI_BASE0 is the PCI address of the start of the window */
-
- *(volatile unsigned int *) (V3_BASE + V3_PCI_BASE0) =
- INTEGRATOR_BOOT_ROM_BASE;
-
- /* PCI_MAP1 is LOCAL address of the start of the window */
-
- *(volatile unsigned int *) (V3_BASE + V3_PCI_MAP1) =
- (INTEGRATOR_HDR0_SDRAM_BASE) | (V3_PCI_MAP_M_ADR_SIZE_1024M |
- V3_PCI_MAP_M_REG_EN |
- V3_PCI_MAP_M_ENABLE);
-
- /* PCI_BASE1 is the PCI address of the start of the window */
-
- *(volatile unsigned int *) (V3_BASE + V3_PCI_BASE1) =
- INTEGRATOR_HDR0_SDRAM_BASE;
-
- /* Set up the windows from local bus memory into PCI configuration, */
- /* I/O and Memory. */
- /* PCI I/O, LB_BASE2 and LB_MAP2 are used exclusively for this. */
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_BASE2) =
- ((CPU_PCI_IO_ADRS >> 24) << 8) | V3_LB_BASE_M_ENABLE;
- *(volatile unsigned short *) (V3_BASE + V3_LB_MAP2) = 0;
-
- /* PCI Configuration, use LB_BASE1/LB_MAP1. */
-
- /* PCI Memory use LB_BASE0/LB_MAP0 and LB_BASE1/LB_MAP1 */
- /* Map first 256Mbytes as non-prefetchable via BASE0/MAP0 */
- /* (INTEGRATOR_PCI_BASE == PCI_MEM_BASE) */
-
- *(volatile unsigned int *) (V3_BASE + V3_LB_BASE0) =
- INTEGRATOR_PCI_BASE | (0x80 | V3_LB_BASE_M_ENABLE);
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_MAP0) =
- ((INTEGRATOR_PCI_BASE >> 20) << 0x4) | 0x0006;
-
- /* Map second 256 Mbytes as prefetchable via BASE1/MAP1 */
-
- *(volatile unsigned int *) (V3_BASE + V3_LB_BASE1) =
- INTEGRATOR_PCI_BASE | (0x84 | V3_LB_BASE_M_ENABLE);
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_MAP1) =
- (((INTEGRATOR_PCI_BASE + 0x10000000) >> 20) << 4) | 0x0006;
-
- /* Allow accesses to PCI Configuration space */
- /* and set up A1, A0 for type 1 config cycles */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CFG) =
- ((*(volatile unsigned short *) (V3_BASE + V3_PCI_CFG)) &
- ~(V3_PCI_CFG_M_RETRY_EN | V3_PCI_CFG_M_AD_LOW1)) |
- V3_PCI_CFG_M_AD_LOW0;
-
- /* now we can allow in PCI MEMORY accesses */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) =
- (*(volatile unsigned short *) (V3_BASE + V3_PCI_CMD)) |
- V3_COMMAND_M_MEM_EN;
-
- /* Set RST_OUT to take the PCI bus is out of reset, PCI devices can */
- /* initialise and lock the V3 system register so that no one else */
- /* can play with it */
-
- *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) =
- (*(volatile unsigned short *) (V3_BASE + V3_SYSTEM)) |
- V3_SYSTEM_M_RST_OUT;
-
- *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) =
- (*(volatile unsigned short *) (V3_BASE + V3_SYSTEM)) |
- V3_SYSTEM_M_LOCK;
-
- /*
- * Register the hose
- */
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- /* System memory space */
- pci_set_region (hose->regions + 0,
- 0x00000000, 0x40000000, 0x01000000,
- PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-
- /* PCI Memory - config space */
- pci_set_region (hose->regions + 1,
- 0x00000000, 0x62000000, 0x01000000, PCI_REGION_MEM);
-
- /* PCI V3 regs */
- pci_set_region (hose->regions + 2,
- 0x00000000, 0x61000000, 0x00080000, PCI_REGION_MEM);
-
- /* PCI I/O space */
- pci_set_region (hose->regions + 3,
- 0x00000000, 0x60000000, 0x00010000, PCI_REGION_IO);
-
- pci_set_ops (hose,
- pci_integrator_read_byte,
- pci_integrator_read__word,
- pci_integrator_read_dword,
- pci_integrator_write_byte,
- pci_integrator_write_word, pci_integrator_write_dword);
-
- hose->region_count = 4;
-
- pci_register_hose (hose);
-
- pciauto_config_init (hose);
- pciauto_config_device (hose, 0);
-
- hose->last_busno = pci_hose_scan (hose);
-}
-#endif
-
-/******************************
- Routine:
- Description:
-******************************/
-void flash__init (void)
-{
-}
-/*************************************************************
- Routine:ether__init
- Description: take the Ethernet controller out of reset and wait
- for the EEPROM load to complete.
-*************************************************************/
-void ether__init (void)
-{
-}
-
-/******************************
- Routine:
- Description:
-******************************/
-int dram_init (void)
-{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-
-#ifdef CONFIG_CM_SPD_DETECT
- {
-extern void dram_query(void);
- unsigned long cm_reg_sdram;
- unsigned long sdram_shift;
-
- dram_query(); /* Assembler accesses to CM registers */
- /* Queries the SPD values */
-
- /* Obtain the SDRAM size from the CM SDRAM register */
-
- cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
- /* Register SDRAM size
- *
- * 0xXXXXXXbbb000bb 16 MB
- * 0xXXXXXXbbb001bb 32 MB
- * 0xXXXXXXbbb010bb 64 MB
- * 0xXXXXXXbbb011bb 128 MB
- * 0xXXXXXXbbb100bb 256 MB
- *
- */
- sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
- gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
-
- }
-#endif /* CM_SPD_DETECT */
-
- return 0;
-}
-
-/* The Integrator/AP timer1 is clocked at 24MHz
- * can be divided by 16 or 256
- * and is a 16-bit counter
- */
-/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/
-static ulong timestamp; /* U-Boot ticks since startup */
-static ulong total_count = 0; /* Total timer count */
-static ulong lastdec; /* Timer reading at last call */
-static ulong div_clock = 256; /* Divisor applied to the timer clock */
-static ulong div_timer = 1; /* Divisor to convert timer reading
- * change to U-Boot ticks
- */
-/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */
-
-#define TIMER_LOAD_VAL 0x0000FFFFL
-#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL)
-
-/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec
- * - unless otherwise stated
- */
-
-/* starts a counter
- * - the Integrator/AP timer issues an interrupt
- * each time it reaches zero
- */
-int timer_init (void)
-{
- /* Load timer with initial value */
- *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL;
- /* Set timer to be
- * enabled 1
- * free-running 0
- * XX 00
- * divider 256 10
- * XX 00
- */
- *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088;
- total_count = 0;
- /* init the timestamp and lastdec value */
- reset_timer_masked();
-
- div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ;
- div_timer /= div_clock;
-
- return (0);
-}
-
-/*
- * timer without interrupts
- */
-void reset_timer (void)
-{
- reset_timer_masked ();
-}
-
-ulong get_timer (ulong base_ticks)
-{
- return get_timer_masked () - base_ticks;
-}
-
-void set_timer (ulong ticks)
-{
- timestamp = ticks;
- total_count = ticks * div_timer;
- reset_timer_masked();
-}
-
-/* delay x useconds */
-void udelay (unsigned long usec)
-{
- ulong tmo, tmp;
-
- /* Convert to U-Boot ticks */
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000000L);
-
- tmp = get_timer_masked(); /* get current timestamp */
- tmo += tmp; /* wake up timestamp */
-
- while (get_timer_masked () < tmo) { /* loop till event */
- /*NOP*/;
- }
-}
-
-void reset_timer_masked (void)
-{
- /* reset time */
- lastdec = READ_TIMER; /* capture current decrementer value */
- timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-/* converts the timer reading to U-Boot ticks */
-/* the timestamp is the number of ticks since reset */
-/* This routine does not detect wraps unless called regularly
- ASSUMES a call at least every 16 seconds to detect every reload */
-ulong get_timer_masked (void)
-{
- ulong now = READ_TIMER; /* current count */
-
- if (now > lastdec) {
- /* Must have wrapped */
- total_count += lastdec + TIMER_LOAD_VAL + 1 - now;
- } else {
- total_count += lastdec - now;
- }
- lastdec = now;
- timestamp = total_count/div_timer;
-
- return timestamp;
-}
-
-/* waits specified delay value and resets timestamp */
-void udelay_masked (unsigned long usec)
-{
- udelay(usec);
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * Return the timebase clock frequency
- * i.e. how often the timer decrements
- */
-ulong get_tbclk (void)
-{
- return CONFIG_SYS_HZ_CLOCK/div_clock;
-}
-
-int board_eth_init(bd_t *bis)
-{
- return pci_eth_init(bis);
-}
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller at elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij at ti.com>
+ *
+ * (C) Copyright 2004
+ * ARM Ltd.
+ * Philippe Robin, <philippe.robin at arm.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void flash__init (void);
+void ether__init (void);
+void peripheral_power_enable (void);
+
+#if defined(CONFIG_SHOW_BOOT_PROGRESS)
+void show_boot_progress(int progress)
+{
+ printf("Boot reached stage %d\n", progress);
+}
+#endif
+
+#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
+
+static inline void delay (unsigned long loops)
+{
+ __asm__ volatile ("1:\n"
+ "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0" (loops));
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ /* arch number of Integrator Board */
+ gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x00000100;
+
+ gd->flags = 0;
+
+#ifdef CONFIG_CM_REMAP
+extern void cm_remap(void);
+ cm_remap(); /* remaps writeable memory to 0x00000000 */
+#endif
+
+ icache_enable ();
+
+ flash__init ();
+ return 0;
+}
+
+
+int misc_init_r (void)
+{
+#ifdef CONFIG_PCI
+ pci_init();
+#endif
+ setenv("verify", "n");
+ return (0);
+}
+
+
+/******************************
+ Routine:
+ Description:
+******************************/
+void flash__init (void)
+{
+}
+/*************************************************************
+ Routine:ether__init
+ Description: take the Ethernet controller out of reset and wait
+ for the EEPROM load to complete.
+*************************************************************/
+void ether__init (void)
+{
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+#ifdef CONFIG_CM_SPD_DETECT
+ {
+extern void dram_query(void);
+ unsigned long cm_reg_sdram;
+ unsigned long sdram_shift;
+
+ dram_query(); /* Assembler accesses to CM registers */
+ /* Queries the SPD values */
+
+ /* Obtain the SDRAM size from the CM SDRAM register */
+
+ cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
+ /* Register SDRAM size
+ *
+ * 0xXXXXXXbbb000bb 16 MB
+ * 0xXXXXXXbbb001bb 32 MB
+ * 0xXXXXXXbbb010bb 64 MB
+ * 0xXXXXXXbbb011bb 128 MB
+ * 0xXXXXXXbbb100bb 256 MB
+ *
+ */
+ sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
+ gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
+
+ }
+#endif /* CM_SPD_DETECT */
+
+ return 0;
+}
+
+/* The Integrator/AP timer1 is clocked at 24MHz
+ * can be divided by 16 or 256
+ * and is a 16-bit counter
+ */
+/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/
+static ulong timestamp; /* U-Boot ticks since startup */
+static ulong total_count = 0; /* Total timer count */
+static ulong lastdec; /* Timer reading at last call */
+static ulong div_clock = 256; /* Divisor applied to the timer clock */
+static ulong div_timer = 1; /* Divisor to convert timer reading
+ * change to U-Boot ticks
+ */
+/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */
+
+#define TIMER_LOAD_VAL 0x0000FFFFL
+#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL)
+
+/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec
+ * - unless otherwise stated
+ */
+
+/* starts a counter
+ * - the Integrator/AP timer issues an interrupt
+ * each time it reaches zero
+ */
+int timer_init (void)
+{
+ /* Load timer with initial value */
+ *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL;
+ /* Set timer to be
+ * enabled 1
+ * free-running 0
+ * XX 00
+ * divider 256 10
+ * XX 00
+ */
+ *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088;
+ total_count = 0;
+ /* init the timestamp and lastdec value */
+ reset_timer_masked();
+
+ div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ;
+ div_timer /= div_clock;
+
+ return (0);
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer (void)
+{
+ reset_timer_masked ();
+}
+
+ulong get_timer (ulong base_ticks)
+{
+ return get_timer_masked () - base_ticks;
+}
+
+void set_timer (ulong ticks)
+{
+ timestamp = ticks;
+ total_count = ticks * div_timer;
+ reset_timer_masked();
+}
+
+/* delay x useconds */
+void udelay (unsigned long usec)
+{
+ ulong tmo, tmp;
+
+ /* Convert to U-Boot ticks */
+ tmo = usec * CONFIG_SYS_HZ;
+ tmo /= (1000000L);
+
+ tmp = get_timer_masked(); /* get current timestamp */
+ tmo += tmp; /* wake up timestamp */
+
+ while (get_timer_masked () < tmo) { /* loop till event */
+ /*NOP*/;
+ }
+}
+
+void reset_timer_masked (void)
+{
+ /* reset time */
+ lastdec = READ_TIMER; /* capture current decrementer value */
+ timestamp = 0; /* start "advancing" time stamp from 0 */
+}
+
+/* converts the timer reading to U-Boot ticks */
+/* the timestamp is the number of ticks since reset */
+/* This routine does not detect wraps unless called regularly
+ ASSUMES a call at least every 16 seconds to detect every reload */
+ulong get_timer_masked (void)
+{
+ ulong now = READ_TIMER; /* current count */
+
+ if (now > lastdec) {
+ /* Must have wrapped */
+ total_count += lastdec + TIMER_LOAD_VAL + 1 - now;
+ } else {
+ total_count += lastdec - now;
+ }
+ lastdec = now;
+ timestamp = total_count/div_timer;
+
+ return timestamp;
+}
+
+/* waits specified delay value and resets timestamp */
+void udelay_masked (unsigned long usec)
+{
+ udelay(usec);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * Return the timebase clock frequency
+ * i.e. how often the timer decrements
+ */
+ulong get_tbclk (void)
+{
+ return CONFIG_SYS_HZ_CLOCK/div_clock;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return pci_eth_init(bis);
+}
diff --git a/board/armltd/integratorap/integratorap.c b/board/armltd/integratorap/pci.c
similarity index 69%
rename from board/armltd/integratorap/integratorap.c
rename to board/armltd/integratorap/pci.c
index 5ececd6..6ee2a85 100644
--- a/board/armltd/integratorap/integratorap.c
+++ b/board/armltd/integratorap/pci.c
@@ -34,77 +34,13 @@
*/
#include <common.h>
-
-#ifdef CONFIG_PCI
#include <pci.h>
-#endif
-
-#include <netdev.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void flash__init (void);
-void ether__init (void);
-void peripheral_power_enable (void);
-
-#if defined(CONFIG_SHOW_BOOT_PROGRESS)
-void show_boot_progress(int progress)
-{
- printf("Boot reached stage %d\n", progress);
-}
-#endif
-
-#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
-
-static inline void delay (unsigned long loops)
-{
- __asm__ volatile ("1:\n"
- "subs %0, %1, #1\n"
- "bne 1b":"=r" (loops):"0" (loops));
-}
-
-/*
- * Miscellaneous platform dependent initialisations
- */
-
-int board_init (void)
-{
- /* arch number of Integrator Board */
- gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0x00000100;
-
- gd->flags = 0;
-
-#ifdef CONFIG_CM_REMAP
-extern void cm_remap(void);
- cm_remap(); /* remaps writeable memory to 0x00000000 */
-#endif
-
- icache_enable ();
-
- flash__init ();
- return 0;
-}
-
-
-int misc_init_r (void)
-{
-#ifdef CONFIG_PCI
- pci_init();
-#endif
- setenv("verify", "n");
- return (0);
-}
/*
* Initialize PCI Devices, report devices found.
*/
-#ifdef CONFIG_PCI
#ifndef CONFIG_PCI_PNP
-
static struct pci_config_table pci_integrator_config_table[] = {
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
@@ -112,7 +48,7 @@ static struct pci_config_table pci_integrator_config_table[] = {
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
{ }
};
-#endif
+#endif /* CONFIG_PCI_PNP */
/* V3 access routines */
#define _V3Write16(o,v) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned short)(v))
@@ -458,199 +394,3 @@ void pci_init_board (void)
hose->last_busno = pci_hose_scan (hose);
}
-#endif
-
-/******************************
- Routine:
- Description:
-******************************/
-void flash__init (void)
-{
-}
-/*************************************************************
- Routine:ether__init
- Description: take the Ethernet controller out of reset and wait
- for the EEPROM load to complete.
-*************************************************************/
-void ether__init (void)
-{
-}
-
-/******************************
- Routine:
- Description:
-******************************/
-int dram_init (void)
-{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-
-#ifdef CONFIG_CM_SPD_DETECT
- {
-extern void dram_query(void);
- unsigned long cm_reg_sdram;
- unsigned long sdram_shift;
-
- dram_query(); /* Assembler accesses to CM registers */
- /* Queries the SPD values */
-
- /* Obtain the SDRAM size from the CM SDRAM register */
-
- cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
- /* Register SDRAM size
- *
- * 0xXXXXXXbbb000bb 16 MB
- * 0xXXXXXXbbb001bb 32 MB
- * 0xXXXXXXbbb010bb 64 MB
- * 0xXXXXXXbbb011bb 128 MB
- * 0xXXXXXXbbb100bb 256 MB
- *
- */
- sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
- gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
-
- }
-#endif /* CM_SPD_DETECT */
-
- return 0;
-}
-
-/* The Integrator/AP timer1 is clocked at 24MHz
- * can be divided by 16 or 256
- * and is a 16-bit counter
- */
-/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/
-static ulong timestamp; /* U-Boot ticks since startup */
-static ulong total_count = 0; /* Total timer count */
-static ulong lastdec; /* Timer reading at last call */
-static ulong div_clock = 256; /* Divisor applied to the timer clock */
-static ulong div_timer = 1; /* Divisor to convert timer reading
- * change to U-Boot ticks
- */
-/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */
-
-#define TIMER_LOAD_VAL 0x0000FFFFL
-#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL)
-
-/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec
- * - unless otherwise stated
- */
-
-/* starts a counter
- * - the Integrator/AP timer issues an interrupt
- * each time it reaches zero
- */
-int timer_init (void)
-{
- /* Load timer with initial value */
- *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL;
- /* Set timer to be
- * enabled 1
- * free-running 0
- * XX 00
- * divider 256 10
- * XX 00
- */
- *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088;
- total_count = 0;
- /* init the timestamp and lastdec value */
- reset_timer_masked();
-
- div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ;
- div_timer /= div_clock;
-
- return (0);
-}
-
-/*
- * timer without interrupts
- */
-void reset_timer (void)
-{
- reset_timer_masked ();
-}
-
-ulong get_timer (ulong base_ticks)
-{
- return get_timer_masked () - base_ticks;
-}
-
-void set_timer (ulong ticks)
-{
- timestamp = ticks;
- total_count = ticks * div_timer;
- reset_timer_masked();
-}
-
-/* delay x useconds */
-void udelay (unsigned long usec)
-{
- ulong tmo, tmp;
-
- /* Convert to U-Boot ticks */
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000000L);
-
- tmp = get_timer_masked(); /* get current timestamp */
- tmo += tmp; /* wake up timestamp */
-
- while (get_timer_masked () < tmo) { /* loop till event */
- /*NOP*/;
- }
-}
-
-void reset_timer_masked (void)
-{
- /* reset time */
- lastdec = READ_TIMER; /* capture current decrementer value */
- timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-/* converts the timer reading to U-Boot ticks */
-/* the timestamp is the number of ticks since reset */
-/* This routine does not detect wraps unless called regularly
- ASSUMES a call at least every 16 seconds to detect every reload */
-ulong get_timer_masked (void)
-{
- ulong now = READ_TIMER; /* current count */
-
- if (now > lastdec) {
- /* Must have wrapped */
- total_count += lastdec + TIMER_LOAD_VAL + 1 - now;
- } else {
- total_count += lastdec - now;
- }
- lastdec = now;
- timestamp = total_count/div_timer;
-
- return timestamp;
-}
-
-/* waits specified delay value and resets timestamp */
-void udelay_masked (unsigned long usec)
-{
- udelay(usec);
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * Return the timebase clock frequency
- * i.e. how often the timer decrements
- */
-ulong get_tbclk (void)
-{
- return CONFIG_SYS_HZ_CLOCK/div_clock;
-}
-
-int board_eth_init(bd_t *bis)
-{
- return pci_eth_init(bis);
-}
--
1.6.1.3
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