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yaml
---
r: 204517
b: refs/heads/master
c: 79d7cd3
h: refs/heads/master
i:
  204515: 4bd635b
v: v3
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Ralf Baechle committed Aug 5, 2010
1 parent b91dfd0 commit b8ac9c3
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 86c6d4d0acc64543a485c11e197d0bd2c5ae0bb2
refs/heads/master: 79d7cd31f9a3d3e75ae67f742aa5eb199cfa71cf
6 changes: 3 additions & 3 deletions trunk/arch/mips/Makefile
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Expand Up @@ -202,19 +202,19 @@ load-$(CONFIG_NXP_STB225) += 0xffffffff80001000
#
# Common NXP PNX8550
#
core-$(CONFIG_SOC_PNX8550) += arch/mips/nxp/pnx8550/common/
core-$(CONFIG_SOC_PNX8550) += arch/mips/pnx8550/common/
cflags-$(CONFIG_SOC_PNX8550) += -I$(srctree)/arch/mips/include/asm/mach-pnx8550

#
# NXP PNX8550 JBS board
#
libs-$(CONFIG_PNX8550_JBS) += arch/mips/nxp/pnx8550/jbs/
libs-$(CONFIG_PNX8550_JBS) += arch/mips/pnx8550/jbs/
#cflags-$(CONFIG_PNX8550_JBS) += -I$(srctree)/arch/mips/include/asm/mach-pnx8550
load-$(CONFIG_PNX8550_JBS) += 0xffffffff80060000

# NXP PNX8550 STB810 board
#
libs-$(CONFIG_PNX8550_STB810) += arch/mips/nxp/pnx8550/stb810/
libs-$(CONFIG_PNX8550_STB810) += arch/mips/pnx8550/stb810/
load-$(CONFIG_PNX8550_STB810) += 0xffffffff80060000

cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
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134 changes: 134 additions & 0 deletions trunk/arch/mips/pnx8550/common/pci.c
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/*
*
* BRIEF MODULE DESCRIPTION
*
* Author: source@mvista.com
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope 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 <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/init.h>

#include <pci.h>
#include <glb.h>
#include <nand.h>

static struct resource pci_io_resource = {
.start = PNX8550_PCIIO + 0x1000, /* reserve regacy I/O space */
.end = PNX8550_PCIIO + PNX8550_PCIIO_SIZE,
.name = "pci IO space",
.flags = IORESOURCE_IO
};

static struct resource pci_mem_resource = {
.start = PNX8550_PCIMEM,
.end = PNX8550_PCIMEM + PNX8550_PCIMEM_SIZE - 1,
.name = "pci memory space",
.flags = IORESOURCE_MEM
};

extern struct pci_ops pnx8550_pci_ops;

static struct pci_controller pnx8550_controller = {
.pci_ops = &pnx8550_pci_ops,
.io_map_base = PNX8550_PORT_BASE,
.io_resource = &pci_io_resource,
.mem_resource = &pci_mem_resource,
};

/* Return the total size of DRAM-memory, (RANK0 + RANK1) */
static inline unsigned long get_system_mem_size(void)
{
/* Read IP2031_RANK0_ADDR_LO */
unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010);
/* Read IP2031_RANK1_ADDR_HI */
unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018);

return dram_r1_hi - dram_r0_lo + 1;
}

static int __init pnx8550_pci_setup(void)
{
int pci_mem_code;
int mem_size = get_system_mem_size() >> 20;

/* Clear the Global 2 Register, PCI Inta Output Enable Registers
Bit 1:Enable DAC Powerdown
-> 0:DACs are enabled and are working normally
1:DACs are powerdown
Bit 0:Enable of PCI inta output
-> 0 = Disable PCI inta output
1 = Enable PCI inta output
*/
PNX8550_GLB2_ENAB_INTA_O = 0;

/* Calc the PCI mem size code */
if (mem_size >= 128)
pci_mem_code = SIZE_128M;
else if (mem_size >= 64)
pci_mem_code = SIZE_64M;
else if (mem_size >= 32)
pci_mem_code = SIZE_32M;
else
pci_mem_code = SIZE_16M;

/* Set PCI_XIO registers */
outl(pci_mem_resource.start, PCI_BASE | PCI_BASE1_LO);
outl(pci_mem_resource.end + 1, PCI_BASE | PCI_BASE1_HI);
outl(pci_io_resource.start, PCI_BASE | PCI_BASE2_LO);
outl(pci_io_resource.end, PCI_BASE | PCI_BASE2_HI);

/* Send memory transaction via PCI_BASE2 */
outl(0x00000001, PCI_BASE | PCI_IO);

/* Unlock the setup register */
outl(0xca, PCI_BASE | PCI_UNLOCKREG);

/*
* BAR0 of PNX8550 (pci base 10) must be zero in order for ide
* to work, and in order for bus_to_baddr to work without any
* hacks.
*/
outl(0x00000000, PCI_BASE | PCI_BASE10);

/*
*These two bars are set by default or the boot code.
* However, it's safer to set them here so we're not boot
* code dependent.
*/
outl(0x1be00000, PCI_BASE | PCI_BASE14); /* PNX MMIO */
outl(PNX8550_NAND_BASE_ADDR, PCI_BASE | PCI_BASE18); /* XIO */

outl(PCI_EN_TA |
PCI_EN_PCI2MMI |
PCI_EN_XIO |
PCI_SETUP_BASE18_SIZE(SIZE_32M) |
PCI_SETUP_BASE18_EN |
PCI_SETUP_BASE14_EN |
PCI_SETUP_BASE10_PREF |
PCI_SETUP_BASE10_SIZE(pci_mem_code) |
PCI_SETUP_CFGMANAGE_EN |
PCI_SETUP_PCIARB_EN,
PCI_BASE |
PCI_SETUP); /* PCI_SETUP */
outl(0x00000000, PCI_BASE | PCI_CTRL); /* PCI_CONTROL */

register_pci_controller(&pnx8550_controller);

return 0;
}

arch_initcall(pnx8550_pci_setup);
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145 changes: 145 additions & 0 deletions trunk/arch/mips/pnx8550/common/setup.c
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/*
*
* 2.6 port, Embedded Alley Solutions, Inc
*
* Based on Per Hallsmark, per.hallsmark@mvista.com
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope 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 <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/irq.h>
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/serial_pnx8xxx.h>
#include <linux/pm.h>

#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
#include <asm/pgtable.h>
#include <asm/time.h>

#include <glb.h>
#include <int.h>
#include <pci.h>
#include <uart.h>
#include <nand.h>

extern void __init board_setup(void);
extern void pnx8550_machine_restart(char *);
extern void pnx8550_machine_halt(void);
extern void pnx8550_machine_power_off(void);
extern struct resource ioport_resource;
extern struct resource iomem_resource;
extern char *prom_getcmdline(void);

struct resource standard_io_resources[] = {
{
.start = 0x00,
.end = 0x1f,
.name = "dma1",
.flags = IORESOURCE_BUSY
}, {
.start = 0x40,
.end = 0x5f,
.name = "timer",
.flags = IORESOURCE_BUSY
}, {
.start = 0x80,
.end = 0x8f,
.name = "dma page reg",
.flags = IORESOURCE_BUSY
}, {
.start = 0xc0,
.end = 0xdf,
.name = "dma2",
.flags = IORESOURCE_BUSY
},
};

#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources)

extern struct resource pci_io_resource;
extern struct resource pci_mem_resource;

/* Return the total size of DRAM-memory, (RANK0 + RANK1) */
unsigned long get_system_mem_size(void)
{
/* Read IP2031_RANK0_ADDR_LO */
unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010);
/* Read IP2031_RANK1_ADDR_HI */
unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018);

return dram_r1_hi - dram_r0_lo + 1;
}

int pnx8550_console_port = -1;

void __init plat_mem_setup(void)
{
int i;
char* argptr;

board_setup(); /* board specific setup */

_machine_restart = pnx8550_machine_restart;
_machine_halt = pnx8550_machine_halt;
pm_power_off = pnx8550_machine_power_off;

/* Clear the Global 2 Register, PCI Inta Output Enable Registers
Bit 1:Enable DAC Powerdown
-> 0:DACs are enabled and are working normally
1:DACs are powerdown
Bit 0:Enable of PCI inta output
-> 0 = Disable PCI inta output
1 = Enable PCI inta output
*/
PNX8550_GLB2_ENAB_INTA_O = 0;

/* IO/MEM resources. */
set_io_port_base(PNX8550_PORT_BASE);
ioport_resource.start = 0;
ioport_resource.end = ~0;
iomem_resource.start = 0;
iomem_resource.end = ~0;

/* Request I/O space for devices on this board */
for (i = 0; i < STANDARD_IO_RESOURCES; i++)
request_resource(&ioport_resource, standard_io_resources + i);

/* Place the Mode Control bit for GPIO pin 16 in primary function */
/* Pin 16 is used by UART1, UA1_TX */
outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) |
(PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT),
PNX8550_GPIO_MC1);

argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=ttyS")) != NULL) {
argptr += strlen("console=ttyS");
pnx8550_console_port = *argptr == '0' ? 0 : 1;

/* We must initialize the UART (console) before early printk */
/* Set LCR to 8-bit and BAUD to 38400 (no 5) */
ip3106_lcr(UART_BASE, pnx8550_console_port) =
PNX8XXX_UART_LCR_8BIT;
ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
}

return;
}
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