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M7350v1_en_gpl

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2024-09-09 08:52:07 +00:00
commit f9cc65cfda
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kernel/arch/m68k/platform/5307/Makefile
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#
# Makefile for the m68knommu kernel.
#
#
# If you want to play with the HW breakpoints then you will
# need to add define this, which will give you a stack backtrace
# on the console port whenever a DBG interrupt occurs. You have to
# set up you HW breakpoints to trigger a DBG interrupt:
#
# ccflags-y := -DTRAP_DBG_INTERRUPT
# asflags-y := -DTRAP_DBG_INTERRUPT
#
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
obj-y += config.o gpio.o
obj-$(CONFIG_NETtel) += nettel.o
obj-$(CONFIG_CLEOPATRA) += nettel.o
kernel/arch/m68k/platform/5307/config.c
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/***************************************************************************/
/*
* linux/arch/m68knommu/platform/5307/config.c
*
* Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
* Copyright (C) 2000, Lineo (www.lineo.com)
*/
/***************************************************************************/
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/init.h>
#include <linux/io.h>
#include <asm/machdep.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfwdebug.h>
/***************************************************************************/
/*
* Some platforms need software versions of the GPIO data registers.
*/
unsigned short ppdata;
unsigned char ledbank = 0xff;
/***************************************************************************/
void __init config_BSP(char *commandp, int size)
{
#if defined(CONFIG_NETtel) || \
defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA)
/* Copy command line from FLASH to local buffer... */
memcpy(commandp, (char *) 0xf0004000, size);
commandp[size-1] = 0;
#endif
mach_sched_init = hw_timer_init;
/* Only support the external interrupts on their primary level */
mcf_mapirq2imr(25, MCFINTC_EINT1);
mcf_mapirq2imr(27, MCFINTC_EINT3);
mcf_mapirq2imr(29, MCFINTC_EINT5);
mcf_mapirq2imr(31, MCFINTC_EINT7);
#ifdef CONFIG_BDM_DISABLE
/*
* Disable the BDM clocking. This also turns off most of the rest of
* the BDM device. This is good for EMC reasons. This option is not
* incompatible with the memory protection option.
*/
wdebug(MCFDEBUG_CSR, MCFDEBUG_CSR_PSTCLK);
#endif
}
/***************************************************************************/
kernel/arch/m68k/platform/5307/gpio.c
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/*
* Coldfire generic GPIO support
*
* (C) Copyright 2009, Steven King <sfking@fdwdc.com>
*
* 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; version 2 of the License.
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfgpio.h>
static struct mcf_gpio_chip mcf_gpio_chips[] = {
{
.gpio_chip = {
.label = "PP",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value,
.ngpio = 16,
},
.pddr = (void __iomem *) MCFSIM_PADDR,
.podr = (void __iomem *) MCFSIM_PADAT,
.ppdr = (void __iomem *) MCFSIM_PADAT,
},
};
static int __init mcf_gpio_init(void)
{
unsigned i = 0;
while (i < ARRAY_SIZE(mcf_gpio_chips))
(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
return 0;
}
core_initcall(mcf_gpio_init);
kernel/arch/m68k/platform/5307/nettel.c
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/***************************************************************************/
/*
* nettel.c -- startup code support for the NETtel boards
*
* Copyright (C) 2009, Greg Ungerer (gerg@snapgear.com)
*/
/***************************************************************************/
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/nettel.h>
/***************************************************************************/
/*
* Define the IO and interrupt resources of the 2 SMC9196 interfaces.
*/
#define NETTEL_SMC0_ADDR 0x30600300
#define NETTEL_SMC0_IRQ 29
#define NETTEL_SMC1_ADDR 0x30600000
#define NETTEL_SMC1_IRQ 27
/*
* We need some access into the SMC9196 registers. Define those registers
* we will need here (including the smc91x.h doesn't seem to give us these
* in a simple form).
*/
#define SMC91xx_BANKSELECT 14
#define SMC91xx_BASEADDR 2
#define SMC91xx_BASEMAC 4
/***************************************************************************/
static struct resource nettel_smc91x_0_resources[] = {
{
.start = NETTEL_SMC0_ADDR,
.end = NETTEL_SMC0_ADDR + 0x20,
.flags = IORESOURCE_MEM,
},
{
.start = NETTEL_SMC0_IRQ,
.end = NETTEL_SMC0_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static struct resource nettel_smc91x_1_resources[] = {
{
.start = NETTEL_SMC1_ADDR,
.end = NETTEL_SMC1_ADDR + 0x20,
.flags = IORESOURCE_MEM,
},
{
.start = NETTEL_SMC1_IRQ,
.end = NETTEL_SMC1_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device nettel_smc91x[] = {
{
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(nettel_smc91x_0_resources),
.resource = nettel_smc91x_0_resources,
},
{
.name = "smc91x",
.id = 1,
.num_resources = ARRAY_SIZE(nettel_smc91x_1_resources),
.resource = nettel_smc91x_1_resources,
},
};
static struct platform_device *nettel_devices[] __initdata = {
&nettel_smc91x[0],
&nettel_smc91x[1],
};
/***************************************************************************/
static u8 nettel_macdefault[] __initdata = {
0x00, 0xd0, 0xcf, 0x00, 0x00, 0x01,
};
/*
* Set flash contained MAC address into SMC9196 core. Make sure the flash
* MAC address is sane, and not an empty flash. If no good use the Moreton
* Bay default MAC address instead.
*/
static void __init nettel_smc91x_setmac(unsigned int ioaddr, unsigned int flashaddr)
{
u16 *macp;
macp = (u16 *) flashaddr;
if ((macp[0] == 0xffff) && (macp[1] == 0xffff) && (macp[2] == 0xffff))
macp = (u16 *) &nettel_macdefault[0];
writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT);
writew(macp[0], ioaddr + SMC91xx_BASEMAC);
writew(macp[1], ioaddr + SMC91xx_BASEMAC + 2);
writew(macp[2], ioaddr + SMC91xx_BASEMAC + 4);
}
/***************************************************************************/
/*
* Re-map the address space of at least one of the SMC ethernet
* parts. Both parts power up decoding the same address, so we
* need to move one of them first, before doing anything else.
*/
static void __init nettel_smc91x_init(void)
{
writew(0x00ec, MCF_MBAR + MCFSIM_PADDR);
mcf_setppdata(0, 0x0080);
writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT);
writew(0x0067, NETTEL_SMC0_ADDR + SMC91xx_BASEADDR);
mcf_setppdata(0x0080, 0);
/* Set correct chip select timing for SMC9196 accesses */
writew(0x1180, MCF_MBAR + MCFSIM_CSCR3);
/* Set the SMC interrupts to be auto-vectored */
mcf_autovector(NETTEL_SMC0_IRQ);
mcf_autovector(NETTEL_SMC1_IRQ);
/* Set MAC addresses from flash for both interfaces */
nettel_smc91x_setmac(NETTEL_SMC0_ADDR, 0xf0006000);
nettel_smc91x_setmac(NETTEL_SMC1_ADDR, 0xf0006006);
}
/***************************************************************************/
static int __init init_nettel(void)
{
nettel_smc91x_init();
platform_add_devices(nettel_devices, ARRAY_SIZE(nettel_devices));
return 0;
}
arch_initcall(init_nettel);
/***************************************************************************/