Merge branch 'for-next/highbank'
This commit is contained in:
commit
831d83e922
|
@ -46,6 +46,18 @@ config ARCH_EP93XX
|
|||
select CPU_ARM920T
|
||||
select GENERIC_GPIO
|
||||
|
||||
config ARCH_HIGHBANK
|
||||
bool "Calxeda Highbank"
|
||||
select HAS_DEBUG_LL
|
||||
select HAS_POWEROFF
|
||||
select ARCH_HAS_L2X0
|
||||
select CPU_V7
|
||||
select ARM_AMBA
|
||||
select AMBA_SP804
|
||||
select CLKDEV_LOOKUP
|
||||
select COMMON_CLK
|
||||
select GPIOLIB
|
||||
|
||||
config ARCH_IMX
|
||||
bool "Freescale iMX-based"
|
||||
select GENERIC_GPIO
|
||||
|
@ -114,6 +126,7 @@ source arch/arm/mach-at91/Kconfig
|
|||
source arch/arm/mach-bcm2835/Kconfig
|
||||
source arch/arm/mach-clps711x/Kconfig
|
||||
source arch/arm/mach-ep93xx/Kconfig
|
||||
source arch/arm/mach-highbank/Kconfig
|
||||
source arch/arm/mach-imx/Kconfig
|
||||
source arch/arm/mach-mxs/Kconfig
|
||||
source arch/arm/mach-netx/Kconfig
|
||||
|
|
|
@ -55,6 +55,7 @@ machine-$(CONFIG_ARCH_AT91) := at91
|
|||
machine-$(CONFIG_ARCH_BCM2835) := bcm2835
|
||||
machine-$(CONFIG_ARCH_CLPS711X) := clps711x
|
||||
machine-$(CONFIG_ARCH_EP93XX) := ep93xx
|
||||
machine-$(CONFIG_ARCH_HIGHBANK) := highbank
|
||||
machine-$(CONFIG_ARCH_IMX) := imx
|
||||
machine-$(CONFIG_ARCH_MXS) := mxs
|
||||
machine-$(CONFIG_ARCH_NOMADIK) := nomadik
|
||||
|
@ -98,6 +99,7 @@ board-$(CONFIG_MACH_EUKREA_CPUIMX51SD) := eukrea_cpuimx51
|
|||
board-$(CONFIG_MACH_FREESCALE_MX25_3STACK) := freescale-mx25-3-stack
|
||||
board-$(CONFIG_MACH_FREESCALE_MX35_3STACK) := freescale-mx35-3-stack
|
||||
board-$(CONFIG_MACH_GE863) := telit-evk-pro3
|
||||
board-$(CONFIG_MACH_HIGHBANK) := highbank
|
||||
board-$(CONFIG_MACH_IMX21ADS) := imx21ads
|
||||
board-$(CONFIG_MACH_IMX27ADS) := imx27ads
|
||||
board-$(CONFIG_MACH_IMX233_OLINUXINO) := imx233-olinuxino
|
||||
|
|
|
@ -0,0 +1,4 @@
|
|||
obj-y += init.o
|
||||
|
||||
obj-y += lowlevel.o
|
||||
pbl-y += lowlevel.o
|
|
@ -0,0 +1,5 @@
|
|||
|
||||
#ifndef __CONFIG_H
|
||||
#define __CONFIG_H
|
||||
|
||||
#endif /* __CONFIG_H */
|
|
@ -0,0 +1,7 @@
|
|||
#!/bin/sh
|
||||
|
||||
if [ -e /dev/dtb ]
|
||||
then
|
||||
oftree -l /dev/dtb
|
||||
oftree -p
|
||||
fi
|
|
@ -0,0 +1,33 @@
|
|||
#!/bin/sh
|
||||
|
||||
# use 'dhcp' to do dhcp in barebox and in kernel
|
||||
# use 'none' if you want to skip kernel ip autoconfiguration
|
||||
ip=dhcp
|
||||
global.dhcp.vendor_id=barebox-highbank
|
||||
|
||||
# or set your networking parameters here
|
||||
#eth0.ipaddr=a.b.c.d
|
||||
#eth0.netmask=a.b.c.d
|
||||
#eth0.gateway=a.b.c.d
|
||||
#eth0.serverip=a.b.c.d
|
||||
|
||||
# can be either 'nfs', 'tftp' or 'nor'
|
||||
kernel_loc=tftp
|
||||
# can be either 'net', 'nor' or 'initrd'
|
||||
rootfs_loc=initrd
|
||||
|
||||
# can be either 'jffs2' or 'ubifs'
|
||||
rootfs_type=ubifs
|
||||
rootfsimage=root.$rootfs_type
|
||||
|
||||
kernelimage=zImage
|
||||
#kernelimage=uImage
|
||||
#kernelimage=Image
|
||||
#kernelimage=Image.lzo
|
||||
|
||||
autoboot_timeout=3
|
||||
|
||||
bootargs="console=ttyAMA0,115200n8 CONSOLE=/dev/ttyAMA0"
|
||||
|
||||
# set a fancy prompt (if support is compiled in)
|
||||
PS1="\e[1;31m[barebox@\h]:\w\e[0m\n# "
|
|
@ -0,0 +1,132 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
|
||||
*
|
||||
* GPLv2 only
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <init.h>
|
||||
#include <asm/armlinux.h>
|
||||
#include <asm/system_info.h>
|
||||
#include <generated/mach-types.h>
|
||||
#include <mach/devices.h>
|
||||
#include <mach/hardware.h>
|
||||
#include <mach/sysregs.h>
|
||||
#include <environment.h>
|
||||
#include <partition.h>
|
||||
#include <sizes.h>
|
||||
#include <io.h>
|
||||
#include <libfdt.h>
|
||||
|
||||
#define FIRMWARE_DTB_BASE 0x1000
|
||||
|
||||
#define HB_OPP_VERSION 0
|
||||
|
||||
struct fdt_header *fdt = NULL;
|
||||
|
||||
static int hb_fixup(struct fdt_header *fdt)
|
||||
{
|
||||
u32 reg = readl(sregs_base + HB_SREG_A9_PWRDOM_DATA);
|
||||
u32 *opp_table = (u32 *)HB_SYSRAM_OPP_TABLE_BASE;
|
||||
u32 dtb_table[2*10];
|
||||
u32 i;
|
||||
u32 num_opps;
|
||||
__be32 latency;
|
||||
|
||||
if (!(reg & HB_PWRDOM_STAT_SATA))
|
||||
do_fixup_by_compatible_string(fdt, "calxeda,hb-ahci", "status",
|
||||
"disabled", 1);
|
||||
|
||||
if (!(reg & HB_PWRDOM_STAT_EMMC))
|
||||
do_fixup_by_compatible_string(fdt, "calxeda,hb-sdhci", "status",
|
||||
"disabled", 1);
|
||||
|
||||
if ((opp_table[0] >> 16) != HB_OPP_VERSION)
|
||||
return 0;
|
||||
|
||||
num_opps = opp_table[0] & 0xff;
|
||||
|
||||
for (i = 0; i < num_opps; i++) {
|
||||
dtb_table[2 * i] = cpu_to_be32(opp_table[3 + 3 * i]);
|
||||
dtb_table[2 * i + 1] = cpu_to_be32(opp_table[2 + 3 * i]);
|
||||
}
|
||||
|
||||
latency = cpu_to_be32(opp_table[1]);
|
||||
|
||||
fdt_find_and_setprop(fdt, "/cpus/cpu@0", "transition-latency",
|
||||
&latency, 4, 1);
|
||||
fdt_find_and_setprop(fdt, "/cpus/cpu@0", "operating-points",
|
||||
dtb_table, 8 * num_opps, 1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int highbank_mem_init(void)
|
||||
{
|
||||
struct device_node *np;
|
||||
int ret;
|
||||
|
||||
/* load by the firmware at 0x1000 */
|
||||
fdt = IOMEM(FIRMWARE_DTB_BASE);
|
||||
|
||||
ret = of_unflatten_dtb(fdt);
|
||||
if (ret) {
|
||||
pr_warn("no dtb found at 0x1000 use default configuration\n");
|
||||
fdt = NULL;
|
||||
goto not_found;
|
||||
}
|
||||
|
||||
np = of_find_node_by_path("/memory");
|
||||
if (!np) {
|
||||
pr_warn("no memory node use default configuration\n");
|
||||
goto not_found;
|
||||
}
|
||||
|
||||
ret = of_add_memory(np, true);
|
||||
if (ret) {
|
||||
pr_warn("memory node: probe failed use default configuration\n");
|
||||
goto not_found;
|
||||
}
|
||||
|
||||
pr_info("highbank: dtb probed memory size\n");
|
||||
|
||||
return 0;
|
||||
not_found:
|
||||
highbank_add_ddram(4089 << 20);
|
||||
return 0;
|
||||
}
|
||||
mem_initcall(highbank_mem_init);
|
||||
|
||||
static int highbank_devices_init(void)
|
||||
{
|
||||
of_register_fixup(hb_fixup);
|
||||
if (!fdt) {
|
||||
highbank_register_gpio(0);
|
||||
highbank_register_gpio(1);
|
||||
highbank_register_gpio(2);
|
||||
highbank_register_gpio(3);
|
||||
highbank_register_ahci();
|
||||
highbank_register_xgmac(0);
|
||||
highbank_register_xgmac(1);
|
||||
} else {
|
||||
fdt = of_get_fixed_tree(fdt);
|
||||
add_mem_device("dtb", (unsigned long)fdt, fdt_totalsize(fdt),
|
||||
IORESOURCE_MEM_WRITEABLE);
|
||||
devfs_add_partition("ram0", FIRMWARE_DTB_BASE, SZ_64K, DEVFS_PARTITION_FIXED, "firmware-dtb");
|
||||
}
|
||||
|
||||
armlinux_set_bootparams((void *)(0x00000100));
|
||||
|
||||
devfs_add_partition("nvram", 0x00000, SZ_16K, DEVFS_PARTITION_FIXED, "env0");
|
||||
|
||||
return 0;
|
||||
}
|
||||
device_initcall(highbank_devices_init);
|
||||
|
||||
static int highbank_console_init(void)
|
||||
{
|
||||
highbank_register_uart();
|
||||
|
||||
return 0;
|
||||
}
|
||||
console_initcall(highbank_console_init);
|
|
@ -0,0 +1,17 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
|
||||
*
|
||||
* GPLv2 only
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <sizes.h>
|
||||
#include <asm/barebox-arm-head.h>
|
||||
#include <asm/barebox-arm.h>
|
||||
#include <asm/system_info.h>
|
||||
|
||||
void __naked barebox_arm_reset_vector(void)
|
||||
{
|
||||
arm_cpu_lowlevel_init();
|
||||
barebox_arm_entry(0x00000000, SZ_512M, 0);
|
||||
}
|
|
@ -0,0 +1,62 @@
|
|||
CONFIG_ARCH_HIGHBANK=y
|
||||
CONFIG_AEABI=y
|
||||
CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
|
||||
CONFIG_PBL_IMAGE=y
|
||||
CONFIG_MMU=y
|
||||
CONFIG_MALLOC_SIZE=0xa00000
|
||||
CONFIG_MALLOC_TLSF=y
|
||||
CONFIG_PROMPT="vexpress: "
|
||||
CONFIG_LONGHELP=y
|
||||
CONFIG_GLOB=y
|
||||
CONFIG_HUSH_FANCY_PROMPT=y
|
||||
CONFIG_CMDLINE_EDITING=y
|
||||
CONFIG_AUTO_COMPLETE=y
|
||||
CONFIG_MENU=y
|
||||
CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
|
||||
CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/highbank/env"
|
||||
CONFIG_CMD_EDIT=y
|
||||
CONFIG_CMD_SLEEP=y
|
||||
CONFIG_CMD_SAVEENV=y
|
||||
CONFIG_CMD_EXPORT=y
|
||||
CONFIG_CMD_PRINTENV=y
|
||||
CONFIG_CMD_READLINE=y
|
||||
CONFIG_CMD_MENU=y
|
||||
CONFIG_CMD_MENU_MANAGEMENT=y
|
||||
CONFIG_CMD_PASSWD=y
|
||||
CONFIG_CMD_TFTP=y
|
||||
CONFIG_CMD_ECHO_E=y
|
||||
CONFIG_CMD_LOADB=y
|
||||
CONFIG_CMD_MEMINFO=y
|
||||
CONFIG_CMD_BOOTM_SHOW_TYPE=y
|
||||
CONFIG_CMD_BOOTM_VERBOSE=y
|
||||
CONFIG_CMD_BOOTM_INITRD=y
|
||||
CONFIG_CMD_BOOTM_OFTREE=y
|
||||
CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y
|
||||
CONFIG_CMD_UIMAGE=y
|
||||
# CONFIG_CMD_BOOTU is not set
|
||||
CONFIG_CMD_RESET=y
|
||||
CONFIG_CMD_POWEROFF=y
|
||||
CONFIG_CMD_GO=y
|
||||
CONFIG_CMD_OFTREE=y
|
||||
CONFIG_CMD_OFTREE_PROBE=y
|
||||
CONFIG_CMD_MTEST=y
|
||||
CONFIG_CMD_MTEST_ALTERNATIVE=y
|
||||
CONFIG_CMD_TIMEOUT=y
|
||||
CONFIG_CMD_PARTITION=y
|
||||
CONFIG_CMD_UNCOMPRESS=y
|
||||
CONFIG_CMD_CLK=y
|
||||
CONFIG_NET=y
|
||||
CONFIG_NET_DHCP=y
|
||||
CONFIG_NET_NFS=y
|
||||
CONFIG_NET_PING=y
|
||||
CONFIG_NET_NETCONSOLE=y
|
||||
CONFIG_NET_RESOLV=y
|
||||
CONFIG_SERIAL_AMBA_PL011=y
|
||||
CONFIG_DRIVER_NET_CALXEDA_XGMAC=y
|
||||
# CONFIG_SPI is not set
|
||||
CONFIG_DISK=y
|
||||
CONFIG_DISK_AHCI=y
|
||||
CONFIG_GPIO_PL061=y
|
||||
CONFIG_FS_TFTP=y
|
||||
CONFIG_SHA1=y
|
||||
CONFIG_SHA256=y
|
|
@ -0,0 +1,18 @@
|
|||
if ARCH_HIGHBANK
|
||||
|
||||
config ARCH_TEXT_BASE
|
||||
hex
|
||||
default 0x03f00000
|
||||
|
||||
config BOARDINFO
|
||||
default "Calxeda Highbank" if MACH_HIGHBANK
|
||||
|
||||
choice
|
||||
prompt "Calxeda Board type"
|
||||
|
||||
config MACH_HIGHBANK
|
||||
bool "Calxeda Highbank"
|
||||
|
||||
endchoice
|
||||
|
||||
endif
|
|
@ -0,0 +1,4 @@
|
|||
obj-y += core.o
|
||||
obj-y += devices.o
|
||||
obj-y += reset.o
|
||||
obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o smc.o
|
|
@ -0,0 +1,45 @@
|
|||
/*
|
||||
* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.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.
|
||||
*
|
||||
* 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 <init.h>
|
||||
#include <io.h>
|
||||
|
||||
#include <asm/mmu.h>
|
||||
#include <asm/cache-l2x0.h>
|
||||
|
||||
#include "core.h"
|
||||
|
||||
static void highbank_l2x0_disable(void)
|
||||
{
|
||||
/* Disable PL310 L2 Cache controller */
|
||||
highbank_smc1(0x102, 0x0);
|
||||
}
|
||||
|
||||
static int highbank_l2x0_init(void)
|
||||
{
|
||||
/* Enable PL310 L2 Cache controller */
|
||||
highbank_smc1(0x102, 0x1);
|
||||
l2x0_init(IOMEM(0xfff12000), 0, ~0UL);
|
||||
outer_cache.disable = highbank_l2x0_disable;
|
||||
|
||||
return 0;
|
||||
}
|
||||
postmmu_initcall(highbank_l2x0_init);
|
|
@ -0,0 +1,47 @@
|
|||
/*
|
||||
* Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
|
||||
*
|
||||
* GPLv2 only
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <init.h>
|
||||
#include <io.h>
|
||||
|
||||
#include <linux/clk.h>
|
||||
#include <linux/clkdev.h>
|
||||
#include <linux/amba/bus.h>
|
||||
|
||||
#include <asm/hardware/arm_timer.h>
|
||||
|
||||
#include <mach/devices.h>
|
||||
#include <mach/hardware.h>
|
||||
#include <mach/sysregs.h>
|
||||
|
||||
void __iomem *sregs_base = IOMEM(HB_SREG_A9_BASE);
|
||||
|
||||
static void highbank_clk_init(void)
|
||||
{
|
||||
struct clk *clk;
|
||||
|
||||
clk = clk_fixed("dummy_apb_pclk", 0);
|
||||
clk_register_clkdev(clk, "apb_pclk", NULL);
|
||||
|
||||
clk = clk_fixed("pclk", 150000000);
|
||||
clk_register_clkdev(clk, NULL, "sp804");
|
||||
clk_register_clkdev(clk, NULL, "uart-pl011");
|
||||
}
|
||||
|
||||
static void highbank_sp804_init(void)
|
||||
{
|
||||
amba_apb_device_add(NULL, "sp804", DEVICE_ID_SINGLE, 0xfff34000, 4096, NULL, 0);
|
||||
}
|
||||
|
||||
static int highbank_init(void)
|
||||
{
|
||||
highbank_clk_init();
|
||||
highbank_sp804_init();
|
||||
|
||||
return 0;
|
||||
}
|
||||
postcore_initcall(highbank_init);
|
|
@ -0,0 +1,2 @@
|
|||
|
||||
extern void highbank_smc1(int fn, int arg);
|
|
@ -0,0 +1,74 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
|
||||
*
|
||||
* GPLv2 only
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <sizes.h>
|
||||
|
||||
#include <linux/amba/bus.h>
|
||||
|
||||
#include <asm/memory.h>
|
||||
|
||||
#include <mach/devices.h>
|
||||
|
||||
void highbank_add_ddram(u32 size)
|
||||
{
|
||||
arm_add_mem_device("ram1", 0x00000000, size);
|
||||
add_mem_device("nvram", 0xfff88000, SZ_32K, IORESOURCE_MEM_WRITEABLE);
|
||||
}
|
||||
|
||||
void highbank_register_uart(void)
|
||||
{
|
||||
amba_apb_device_add(NULL, "uart-pl011", DEVICE_ID_SINGLE, 0xfff36000, 4096, NULL, 0);
|
||||
}
|
||||
|
||||
void highbank_register_ahci(void)
|
||||
{
|
||||
add_generic_device("ahci", DEVICE_ID_SINGLE, NULL, 0xffe08000,
|
||||
0x10000, IORESOURCE_MEM, NULL);
|
||||
}
|
||||
|
||||
void highbank_register_xgmac(unsigned id)
|
||||
{
|
||||
resource_size_t start;
|
||||
|
||||
switch (id) {
|
||||
case 0:
|
||||
start = 0xfff50000;
|
||||
break;
|
||||
case 1:
|
||||
start = 0xfff51000;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
||||
add_generic_device("hb-xgmac", id, NULL, start, 0x1000,
|
||||
IORESOURCE_MEM, NULL);
|
||||
}
|
||||
|
||||
void highbank_register_gpio(unsigned id)
|
||||
{
|
||||
resource_size_t start;
|
||||
|
||||
switch (id) {
|
||||
case 0:
|
||||
start = 0xfff30000;
|
||||
break;
|
||||
case 1:
|
||||
start = 0xfff31000;
|
||||
break;
|
||||
case 2:
|
||||
start = 0xfff32000;
|
||||
break;
|
||||
case 3:
|
||||
start = 0xfff33000;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
||||
amba_apb_device_add(NULL, "pl061_gpio", id, start, 0x1000, NULL, 0);
|
||||
}
|
|
@ -0,0 +1,7 @@
|
|||
#ifndef __ASM_MACH_CLKDEV_H
|
||||
#define __ASM_MACH_CLKDEV_H
|
||||
|
||||
#define __clk_get(clk) ({ 1; })
|
||||
#define __clk_put(clk) do { } while (0)
|
||||
|
||||
#endif
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* Copyright 2013 Jean-Christophe PLAGNIOL-VILLARD <plagniol@jcrosoft.com>
|
||||
*
|
||||
* GPLv2 only
|
||||
*/
|
||||
|
||||
#ifndef __MACH_DEBUG_LL_H__
|
||||
#define __MACH_DEBUG_LL_H__
|
||||
|
||||
#include <linux/amba/serial.h>
|
||||
#include <io.h>
|
||||
|
||||
#define UART_BASE 0xfff36000
|
||||
|
||||
static inline void PUTC_LL(char c)
|
||||
{
|
||||
/* Wait until there is space in the FIFO */
|
||||
while (readl(UART_BASE + UART01x_FR) & UART01x_FR_TXFF);
|
||||
|
||||
/* Send the character */
|
||||
writel(c, UART_BASE + UART01x_DR);
|
||||
|
||||
/* Wait to make sure it hits the line, in case we die too soon. */
|
||||
while (readl(UART_BASE + UART01x_FR) & UART01x_FR_TXFF);
|
||||
}
|
||||
#endif
|
|
@ -0,0 +1,17 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
|
||||
*
|
||||
* GPLv2 only
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_DEVICES_H__
|
||||
#define __ASM_ARCH_DEVICES_H__
|
||||
|
||||
void highbank_add_ddram(u32 size);
|
||||
|
||||
void highbank_register_uart(void);
|
||||
void highbank_register_ahci(void);
|
||||
void highbank_register_xgmac(unsigned id);
|
||||
void highbank_register_gpio(unsigned id);
|
||||
|
||||
#endif /* __ASM_ARCH_DEVICES_H__ */
|
|
@ -0,0 +1 @@
|
|||
#include <asm-generic/gpio.h>
|
|
@ -0,0 +1,14 @@
|
|||
/*
|
||||
* Copyright (C) 2010-2011 Calxeda, Inc
|
||||
* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
|
||||
*
|
||||
* GPLv2 only
|
||||
*/
|
||||
|
||||
#ifndef __MACH_HARDWARE_H__
|
||||
#define __MACH_HARDWARE_H__
|
||||
|
||||
#define HB_SREG_A9_BASE 0xfff3c000
|
||||
#define HB_SYSRAM_OPP_TABLE_BASE 0xfff8f000
|
||||
|
||||
#endif /* __MACH_HARDWARE_H__ */
|
|
@ -0,0 +1,57 @@
|
|||
/*
|
||||
* Copyright 2011 Calxeda, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions 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, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#ifndef _MACH_HIGHBANK__SYSREGS_H_
|
||||
#define _MACH_HIGHBANK__SYSREGS_H_
|
||||
|
||||
#include <io.h>
|
||||
|
||||
extern void __iomem *sregs_base;
|
||||
|
||||
#define HB_SREG_A9_PWR_REQ 0xf00
|
||||
#define HB_SREG_A9_BOOT_STAT 0xf04
|
||||
#define HB_SREG_A9_BOOT_DATA 0xf08
|
||||
#define HB_SREG_A9_PWRDOM_DATA 0xf20
|
||||
|
||||
#define HB_PWRDOM_STAT_SATA 0x80000000
|
||||
#define HB_PWRDOM_STAT_PCI 0x40000000
|
||||
#define HB_PWRDOM_STAT_EMMC 0x20000000
|
||||
|
||||
#define HB_PWR_SUSPEND 0
|
||||
#define HB_PWR_SOFT_RESET 1
|
||||
#define HB_PWR_HARD_RESET 2
|
||||
#define HB_PWR_SHUTDOWN 3
|
||||
|
||||
static inline void hingbank_set_pwr_suspend(void)
|
||||
{
|
||||
writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ);
|
||||
}
|
||||
|
||||
static inline void hingbank_set_pwr_shutdown(void)
|
||||
{
|
||||
writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ);
|
||||
}
|
||||
|
||||
static inline void hingbank_set_pwr_soft_reset(void)
|
||||
{
|
||||
writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
|
||||
}
|
||||
|
||||
static inline void hingbank_set_pwr_hard_reset(void)
|
||||
{
|
||||
writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
|
||||
}
|
||||
|
||||
#endif
|
|
@ -0,0 +1,29 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
|
||||
*
|
||||
* GPLv2 only
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <io.h>
|
||||
|
||||
#include <mach/devices.h>
|
||||
#include <mach/sysregs.h>
|
||||
|
||||
void __noreturn reset_cpu(ulong addr)
|
||||
{
|
||||
hingbank_set_pwr_hard_reset();
|
||||
asm(" wfi");
|
||||
|
||||
while(1);
|
||||
}
|
||||
|
||||
void __noreturn poweroff()
|
||||
{
|
||||
shutdown_barebox();
|
||||
|
||||
hingbank_set_pwr_shutdown();
|
||||
asm(" wfi");
|
||||
|
||||
while(1);
|
||||
}
|
|
@ -0,0 +1,27 @@
|
|||
/*
|
||||
* Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc.
|
||||
* Copyright 2012 Calxeda, Inc.
|
||||
*
|
||||
* This program is free software,you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/linkage.h>
|
||||
|
||||
/*
|
||||
* This is common routine to manage secure monitor API
|
||||
* used to modify the PL310 secure registers.
|
||||
* 'r0' contains the value to be modified and 'r12' contains
|
||||
* the monitor API number.
|
||||
* Function signature : void highbank_smc1(u32 fn, u32 arg)
|
||||
*/
|
||||
|
||||
ENTRY(highbank_smc1)
|
||||
stmfd sp!, {r4-r11, lr}
|
||||
mov r12, r0
|
||||
mov r0, r1
|
||||
dsb
|
||||
smc #0
|
||||
ldmfd sp!, {r4-r11, pc}
|
||||
ENDPROC(highbank_smc1)
|
|
@ -229,6 +229,33 @@ void do_fixup_by_path_u32(struct fdt_header *fdt, const char *path,
|
|||
do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
|
||||
}
|
||||
|
||||
void do_fixup_by_compatible(struct fdt_header *fdt, const char *compatible,
|
||||
const char *prop, const void *val, int len, int create)
|
||||
{
|
||||
int off = -1;
|
||||
|
||||
off = fdt_node_offset_by_compatible(fdt, -1, compatible);
|
||||
while (off != -FDT_ERR_NOTFOUND) {
|
||||
if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
|
||||
fdt_setprop(fdt, off, prop, val, len);
|
||||
off = fdt_node_offset_by_compatible(fdt, off, compatible);
|
||||
}
|
||||
}
|
||||
|
||||
void do_fixup_by_compatible_u32(struct fdt_header *fdt, const char *compatible,
|
||||
const char *prop, u32 val, int create)
|
||||
{
|
||||
val = cpu_to_fdt32(val);
|
||||
do_fixup_by_compatible(fdt, compatible, prop, &val, 4, create);
|
||||
}
|
||||
|
||||
void do_fixup_by_compatible_string(struct fdt_header *fdt, const char *compatible,
|
||||
const char *prop, const char *val, int create)
|
||||
{
|
||||
do_fixup_by_compatible(fdt, compatible, prop, val, strlen(val) + 1,
|
||||
create);
|
||||
}
|
||||
|
||||
int fdt_get_path_or_create(struct fdt_header *fdt, const char *path)
|
||||
{
|
||||
int nodeoffset;
|
||||
|
|
|
@ -27,6 +27,9 @@ menu "Network drivers"
|
|||
|
||||
source "drivers/net/phy/Kconfig"
|
||||
|
||||
config DRIVER_NET_CALXEDA_XGMAC
|
||||
bool "Calxeda xgmac"
|
||||
|
||||
config DRIVER_NET_CS8900
|
||||
bool "cs8900 ethernet driver"
|
||||
depends on HAS_CS8900
|
||||
|
|
|
@ -1,3 +1,4 @@
|
|||
obj-$(CONFIG_DRIVER_NET_CALXEDA_XGMAC) += xgmac.o
|
||||
obj-$(CONFIG_DRIVER_NET_CS8900) += cs8900.o
|
||||
obj-$(CONFIG_DRIVER_NET_CPSW) += cpsw.o
|
||||
obj-$(CONFIG_DRIVER_NET_SMC911X) += smc911x.o
|
||||
|
|
|
@ -0,0 +1,740 @@
|
|||
/*
|
||||
* Copyright 2010-2011 Calxeda, 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.
|
||||
*
|
||||
* 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, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <net.h>
|
||||
#include <clock.h>
|
||||
#include <malloc.h>
|
||||
#include <xfuncs.h>
|
||||
#include <init.h>
|
||||
#include <errno.h>
|
||||
#include <io.h>
|
||||
#include <linux/err.h>
|
||||
#include <asm/mmu.h>
|
||||
|
||||
#define TX_NUM_DESC 1
|
||||
#define RX_NUM_DESC 32
|
||||
|
||||
#define ETH_BUF_SZ 2048
|
||||
#define TX_BUF_SZ (ETH_BUF_SZ * TX_NUM_DESC)
|
||||
#define RX_BUF_SZ (ETH_BUF_SZ * RX_NUM_DESC)
|
||||
|
||||
/* XGMAC Register definitions */
|
||||
#define XGMAC_CONTROL 0x00000000 /* MAC Configuration */
|
||||
#define XGMAC_FRAME_FILTER 0x00000004 /* MAC Frame Filter */
|
||||
#define XGMAC_FLOW_CTRL 0x00000018 /* MAC Flow Control */
|
||||
#define XGMAC_VLAN_TAG 0x0000001C /* VLAN Tags */
|
||||
#define XGMAC_VERSION 0x00000020 /* Version */
|
||||
#define XGMAC_VLAN_INCL 0x00000024 /* VLAN tag for tx frames */
|
||||
#define XGMAC_LPI_CTRL 0x00000028 /* LPI Control and Status */
|
||||
#define XGMAC_LPI_TIMER 0x0000002C /* LPI Timers Control */
|
||||
#define XGMAC_TX_PACE 0x00000030 /* Transmit Pace and Stretch */
|
||||
#define XGMAC_VLAN_HASH 0x00000034 /* VLAN Hash Table */
|
||||
#define XGMAC_DEBUG 0x00000038 /* Debug */
|
||||
#define XGMAC_INT_STAT 0x0000003C /* Interrupt and Control */
|
||||
#define XGMAC_ADDR_HIGH(reg) (0x00000040 + ((reg) * 8))
|
||||
#define XGMAC_ADDR_LOW(reg) (0x00000044 + ((reg) * 8))
|
||||
#define XGMAC_HASH(n) (0x00000300 + (n) * 4) /* HASH table regs */
|
||||
#define XGMAC_NUM_HASH 16
|
||||
#define XGMAC_OMR 0x00000400
|
||||
#define XGMAC_REMOTE_WAKE 0x00000700 /* Remote Wake-Up Frm Filter */
|
||||
#define XGMAC_PMT 0x00000704 /* PMT Control and Status */
|
||||
#define XGMAC_MMC_CTRL 0x00000800 /* XGMAC MMC Control */
|
||||
#define XGMAC_MMC_INTR_RX 0x00000804 /* Recieve Interrupt */
|
||||
#define XGMAC_MMC_INTR_TX 0x00000808 /* Transmit Interrupt */
|
||||
#define XGMAC_MMC_INTR_MASK_RX 0x0000080c /* Recieve Interrupt Mask */
|
||||
#define XGMAC_MMC_INTR_MASK_TX 0x00000810 /* Transmit Interrupt Mask */
|
||||
|
||||
|
||||
/* Hardware TX Statistics Counters */
|
||||
#define XGMAC_MMC_TXOCTET_GB_LO 0x00000814
|
||||
#define XGMAC_MMC_TXOCTET_GB_HI 0x00000818
|
||||
#define XGMAC_MMC_TXFRAME_GB_LO 0x0000081C
|
||||
#define XGMAC_MMC_TXFRAME_GB_HI 0x00000820
|
||||
#define XGMAC_MMC_TXBCFRAME_G 0x00000824
|
||||
#define XGMAC_MMC_TXMCFRAME_G 0x0000082C
|
||||
#define XGMAC_MMC_TXUCFRAME_GB 0x00000864
|
||||
#define XGMAC_MMC_TXMCFRAME_GB 0x0000086C
|
||||
#define XGMAC_MMC_TXBCFRAME_GB 0x00000874
|
||||
#define XGMAC_MMC_TXUNDERFLOW 0x0000087C
|
||||
#define XGMAC_MMC_TXOCTET_G_LO 0x00000884
|
||||
#define XGMAC_MMC_TXOCTET_G_HI 0x00000888
|
||||
#define XGMAC_MMC_TXFRAME_G_LO 0x0000088C
|
||||
#define XGMAC_MMC_TXFRAME_G_HI 0x00000890
|
||||
#define XGMAC_MMC_TXPAUSEFRAME 0x00000894
|
||||
#define XGMAC_MMC_TXVLANFRAME 0x0000089C
|
||||
|
||||
/* Hardware RX Statistics Counters */
|
||||
#define XGMAC_MMC_RXFRAME_GB_LO 0x00000900
|
||||
#define XGMAC_MMC_RXFRAME_GB_HI 0x00000904
|
||||
#define XGMAC_MMC_RXOCTET_GB_LO 0x00000908
|
||||
#define XGMAC_MMC_RXOCTET_GB_HI 0x0000090C
|
||||
#define XGMAC_MMC_RXOCTET_G_LO 0x00000910
|
||||
#define XGMAC_MMC_RXOCTET_G_HI 0x00000914
|
||||
#define XGMAC_MMC_RXBCFRAME_G 0x00000918
|
||||
#define XGMAC_MMC_RXMCFRAME_G 0x00000920
|
||||
#define XGMAC_MMC_RXCRCERR 0x00000928
|
||||
#define XGMAC_MMC_RXRUNT 0x00000930
|
||||
#define XGMAC_MMC_RXJABBER 0x00000934
|
||||
#define XGMAC_MMC_RXUCFRAME_G 0x00000970
|
||||
#define XGMAC_MMC_RXLENGTHERR 0x00000978
|
||||
#define XGMAC_MMC_RXPAUSEFRAME 0x00000988
|
||||
#define XGMAC_MMC_RXOVERFLOW 0x00000990
|
||||
#define XGMAC_MMC_RXVLANFRAME 0x00000998
|
||||
#define XGMAC_MMC_RXWATCHDOG 0x000009a0
|
||||
|
||||
/* DMA Control and Status Registers */
|
||||
#define XGMAC_DMA_BUS_MODE 0x00000f00 /* Bus Mode */
|
||||
#define XGMAC_DMA_TX_POLL 0x00000f04 /* Transmit Poll Demand */
|
||||
#define XGMAC_DMA_RX_POLL 0x00000f08 /* Received Poll Demand */
|
||||
#define XGMAC_DMA_RX_BASE_ADDR 0x00000f0c /* Receive List Base */
|
||||
#define XGMAC_DMA_TX_BASE_ADDR 0x00000f10 /* Transmit List Base */
|
||||
#define XGMAC_DMA_STATUS 0x00000f14 /* Status Register */
|
||||
#define XGMAC_DMA_CONTROL 0x00000f18 /* Ctrl (Operational Mode) */
|
||||
#define XGMAC_DMA_INTR_ENA 0x00000f1c /* Interrupt Enable */
|
||||
#define XGMAC_DMA_MISS_FRAME_CTR 0x00000f20 /* Missed Frame Counter */
|
||||
#define XGMAC_DMA_RI_WDOG_TIMER 0x00000f24 /* RX Intr Watchdog Timer */
|
||||
#define XGMAC_DMA_AXI_BUS 0x00000f28 /* AXI Bus Mode */
|
||||
#define XGMAC_DMA_AXI_STATUS 0x00000f2C /* AXI Status */
|
||||
#define XGMAC_DMA_HW_FEATURE 0x00000f58 /* Enabled Hardware Features */
|
||||
|
||||
#define XGMAC_ADDR_AE 0x80000000
|
||||
#define XGMAC_MAX_FILTER_ADDR 31
|
||||
|
||||
/* PMT Control and Status */
|
||||
#define XGMAC_PMT_POINTER_RESET 0x80000000
|
||||
#define XGMAC_PMT_GLBL_UNICAST 0x00000200
|
||||
#define XGMAC_PMT_WAKEUP_RX_FRM 0x00000040
|
||||
#define XGMAC_PMT_MAGIC_PKT 0x00000020
|
||||
#define XGMAC_PMT_WAKEUP_FRM_EN 0x00000004
|
||||
#define XGMAC_PMT_MAGIC_PKT_EN 0x00000002
|
||||
#define XGMAC_PMT_POWERDOWN 0x00000001
|
||||
|
||||
#define XGMAC_CONTROL_SPD 0x40000000 /* Speed control */
|
||||
#define XGMAC_CONTROL_SPD_MASK 0x60000000
|
||||
#define XGMAC_CONTROL_SPD_1G 0x60000000
|
||||
#define XGMAC_CONTROL_SPD_2_5G 0x40000000
|
||||
#define XGMAC_CONTROL_SPD_10G 0x00000000
|
||||
#define XGMAC_CONTROL_SARC 0x10000000 /* Source Addr Insert/Replace */
|
||||
#define XGMAC_CONTROL_SARK_MASK 0x18000000
|
||||
#define XGMAC_CONTROL_CAR 0x04000000 /* CRC Addition/Replacement */
|
||||
#define XGMAC_CONTROL_CAR_MASK 0x06000000
|
||||
#define XGMAC_CONTROL_DP 0x01000000 /* Disable Padding */
|
||||
#define XGMAC_CONTROL_WD 0x00800000 /* Disable Watchdog on rx */
|
||||
#define XGMAC_CONTROL_JD 0x00400000 /* Jabber disable */
|
||||
#define XGMAC_CONTROL_JE 0x00100000 /* Jumbo frame */
|
||||
#define XGMAC_CONTROL_LM 0x00001000 /* Loop-back mode */
|
||||
#define XGMAC_CONTROL_IPC 0x00000400 /* Checksum Offload */
|
||||
#define XGMAC_CONTROL_ACS 0x00000080 /* Automatic Pad/FCS Strip */
|
||||
#define XGMAC_CONTROL_DDIC 0x00000010 /* Disable Deficit Idle Count */
|
||||
#define XGMAC_CONTROL_TE 0x00000008 /* Transmitter Enable */
|
||||
#define XGMAC_CONTROL_RE 0x00000004 /* Receiver Enable */
|
||||
|
||||
/* XGMAC Frame Filter defines */
|
||||
#define XGMAC_FRAME_FILTER_PR 0x00000001 /* Promiscuous Mode */
|
||||
#define XGMAC_FRAME_FILTER_HUC 0x00000002 /* Hash Unicast */
|
||||
#define XGMAC_FRAME_FILTER_HMC 0x00000004 /* Hash Multicast */
|
||||
#define XGMAC_FRAME_FILTER_DAIF 0x00000008 /* DA Inverse Filtering */
|
||||
#define XGMAC_FRAME_FILTER_PM 0x00000010 /* Pass all multicast */
|
||||
#define XGMAC_FRAME_FILTER_DBF 0x00000020 /* Disable Broadcast frames */
|
||||
#define XGMAC_FRAME_FILTER_SAIF 0x00000100 /* Inverse Filtering */
|
||||
#define XGMAC_FRAME_FILTER_SAF 0x00000200 /* Source Address Filter */
|
||||
#define XGMAC_FRAME_FILTER_HPF 0x00000400 /* Hash or perfect Filter */
|
||||
#define XGMAC_FRAME_FILTER_VHF 0x00000800 /* VLAN Hash Filter */
|
||||
#define XGMAC_FRAME_FILTER_VPF 0x00001000 /* VLAN Perfect Filter */
|
||||
#define XGMAC_FRAME_FILTER_RA 0x80000000 /* Receive all mode */
|
||||
|
||||
#define FIFO_MINUS_1K 0x0
|
||||
#define FIFO_MINUS_2K 0x1
|
||||
#define FIFO_MINUS_3K 0x2
|
||||
#define FIFO_MINUS_4K 0x3
|
||||
#define FIFO_MINUS_6K 0x4
|
||||
#define FIFO_MINUS_8K 0x5
|
||||
#define FIFO_MINUS_12K 0x6
|
||||
#define FIFO_MINUS_16K 0x7
|
||||
|
||||
/* XGMAC FLOW CTRL defines */
|
||||
#define XGMAC_FLOW_CTRL_PT_MASK 0xffff0000 /* Pause Time Mask */
|
||||
#define XGMAC_FLOW_CTRL_PT_SHIFT 16
|
||||
#define XGMAC_FLOW_CTRL_DZQP 0x00000080 /* Disable Zero-Quanta Phase */
|
||||
#define XGMAC_FLOW_CTRL_PLT 0x00000020 /* Pause Low Threshhold */
|
||||
#define XGMAC_FLOW_CTRL_PLT_SHIFT 4
|
||||
#define XGMAC_FLOW_CTRL_PLT_MASK 0x00000030 /* PLT MASK */
|
||||
#define XGMAC_FLOW_CTRL_UP 0x00000008 /* Unicast Pause Frame Detect */
|
||||
#define XGMAC_FLOW_CTRL_RFE 0x00000004 /* Rx Flow Control Enable */
|
||||
#define XGMAC_FLOW_CTRL_TFE 0x00000002 /* Tx Flow Control Enable */
|
||||
#define XGMAC_FLOW_CTRL_FCB_BPA 0x00000001 /* Flow Control Busy ... */
|
||||
|
||||
/* XGMAC_INT_STAT reg */
|
||||
#define XGMAC_INT_STAT_PMT 0x0080 /* PMT Interrupt Status */
|
||||
#define XGMAC_INT_STAT_LPI 0x0040 /* LPI Interrupt Status */
|
||||
|
||||
/* DMA Bus Mode register defines */
|
||||
#define DMA_BUS_MODE_SFT_RESET 0x00000001 /* Software Reset */
|
||||
#define DMA_BUS_MODE_DSL_MASK 0x0000007c /* Descriptor Skip Length */
|
||||
#define DMA_BUS_MODE_DSL_SHIFT 2 /* (in DWORDS) */
|
||||
#define DMA_BUS_MODE_ATDS 0x00000080 /* Alternate Descriptor Size */
|
||||
|
||||
/* Programmable burst length */
|
||||
#define DMA_BUS_MODE_PBL_MASK 0x00003f00 /* Programmable Burst Len */
|
||||
#define DMA_BUS_MODE_PBL_SHIFT 8
|
||||
#define DMA_BUS_MODE_FB 0x00010000 /* Fixed burst */
|
||||
#define DMA_BUS_MODE_RPBL_MASK 0x003e0000 /* Rx-Programmable Burst Len */
|
||||
#define DMA_BUS_MODE_RPBL_SHIFT 17
|
||||
#define DMA_BUS_MODE_USP 0x00800000
|
||||
#define DMA_BUS_MODE_8PBL 0x01000000
|
||||
#define DMA_BUS_MODE_AAL 0x02000000
|
||||
|
||||
#define DMA_AXIMODE_ENLPI 0x80000000
|
||||
#define DMA_AXIMODE_MGK 0x40000000
|
||||
#define DMA_AXIMODE_WROSR 0x00100000
|
||||
#define DMA_AXIMODE_WROSR_MASK 0x00F00000
|
||||
#define DMA_AXIMODE_WROSR_SHIFT 20
|
||||
#define DMA_AXIMODE_RDOSR 0x00010000
|
||||
#define DMA_AXIMODE_RDOSR_MASK 0x000F0000
|
||||
#define DMA_AXIMODE_RDOSR_SHIFT 16
|
||||
#define DMA_AXIMODE_AAL 0x00001000
|
||||
#define DMA_AXIMODE_BLEN256 0x00000080
|
||||
#define DMA_AXIMODE_BLEN128 0x00000040
|
||||
#define DMA_AXIMODE_BLEN64 0x00000020
|
||||
#define DMA_AXIMODE_BLEN32 0x00000010
|
||||
#define DMA_AXIMODE_BLEN16 0x00000008
|
||||
#define DMA_AXIMODE_BLEN8 0x00000004
|
||||
#define DMA_AXIMODE_BLEN4 0x00000002
|
||||
#define DMA_AXIMODE_UNDEF 0x00000001
|
||||
|
||||
/* DMA Bus Mode register defines */
|
||||
#define DMA_BUS_PR_RATIO_MASK 0x0000c000 /* Rx/Tx priority ratio */
|
||||
#define DMA_BUS_PR_RATIO_SHIFT 14
|
||||
#define DMA_BUS_FB 0x00010000 /* Fixed Burst */
|
||||
|
||||
/* DMA Control register defines */
|
||||
#define DMA_CONTROL_ST 0x00002000 /* Start/Stop Transmission */
|
||||
#define DMA_CONTROL_SR 0x00000002 /* Start/Stop Receive */
|
||||
#define DMA_CONTROL_DFF 0x01000000 /* Disable flush of rx frames */
|
||||
|
||||
/* DMA Normal interrupt */
|
||||
#define DMA_INTR_ENA_NIE 0x00010000 /* Normal Summary */
|
||||
#define DMA_INTR_ENA_AIE 0x00008000 /* Abnormal Summary */
|
||||
#define DMA_INTR_ENA_ERE 0x00004000 /* Early Receive */
|
||||
#define DMA_INTR_ENA_FBE 0x00002000 /* Fatal Bus Error */
|
||||
#define DMA_INTR_ENA_ETE 0x00000400 /* Early Transmit */
|
||||
#define DMA_INTR_ENA_RWE 0x00000200 /* Receive Watchdog */
|
||||
#define DMA_INTR_ENA_RSE 0x00000100 /* Receive Stopped */
|
||||
#define DMA_INTR_ENA_RUE 0x00000080 /* Receive Buffer Unavailable */
|
||||
#define DMA_INTR_ENA_RIE 0x00000040 /* Receive Interrupt */
|
||||
#define DMA_INTR_ENA_UNE 0x00000020 /* Tx Underflow */
|
||||
#define DMA_INTR_ENA_OVE 0x00000010 /* Receive Overflow */
|
||||
#define DMA_INTR_ENA_TJE 0x00000008 /* Transmit Jabber */
|
||||
#define DMA_INTR_ENA_TUE 0x00000004 /* Transmit Buffer Unavail */
|
||||
#define DMA_INTR_ENA_TSE 0x00000002 /* Transmit Stopped */
|
||||
#define DMA_INTR_ENA_TIE 0x00000001 /* Transmit Interrupt */
|
||||
|
||||
#define DMA_INTR_NORMAL (DMA_INTR_ENA_NIE | DMA_INTR_ENA_RIE | \
|
||||
DMA_INTR_ENA_TUE)
|
||||
|
||||
#define DMA_INTR_ABNORMAL (DMA_INTR_ENA_AIE | DMA_INTR_ENA_FBE | \
|
||||
DMA_INTR_ENA_RWE | DMA_INTR_ENA_RSE | \
|
||||
DMA_INTR_ENA_RUE | DMA_INTR_ENA_UNE | \
|
||||
DMA_INTR_ENA_OVE | DMA_INTR_ENA_TJE | \
|
||||
DMA_INTR_ENA_TSE)
|
||||
|
||||
/* DMA default interrupt mask */
|
||||
#define DMA_INTR_DEFAULT_MASK (DMA_INTR_NORMAL | DMA_INTR_ABNORMAL)
|
||||
|
||||
/* DMA Status register defines */
|
||||
#define DMA_STATUS_GMI 0x08000000 /* MMC interrupt */
|
||||
#define DMA_STATUS_GLI 0x04000000 /* GMAC Line interface int */
|
||||
#define DMA_STATUS_EB_MASK 0x00380000 /* Error Bits Mask */
|
||||
#define DMA_STATUS_EB_TX_ABORT 0x00080000 /* Error Bits - TX Abort */
|
||||
#define DMA_STATUS_EB_RX_ABORT 0x00100000 /* Error Bits - RX Abort */
|
||||
#define DMA_STATUS_TS_MASK 0x00700000 /* Transmit Process State */
|
||||
#define DMA_STATUS_TS_SHIFT 20
|
||||
#define DMA_STATUS_RS_MASK 0x000e0000 /* Receive Process State */
|
||||
#define DMA_STATUS_RS_SHIFT 17
|
||||
#define DMA_STATUS_NIS 0x00010000 /* Normal Interrupt Summary */
|
||||
#define DMA_STATUS_AIS 0x00008000 /* Abnormal Interrupt Summary */
|
||||
#define DMA_STATUS_ERI 0x00004000 /* Early Receive Interrupt */
|
||||
#define DMA_STATUS_FBI 0x00002000 /* Fatal Bus Error Interrupt */
|
||||
#define DMA_STATUS_ETI 0x00000400 /* Early Transmit Interrupt */
|
||||
#define DMA_STATUS_RWT 0x00000200 /* Receive Watchdog Timeout */
|
||||
#define DMA_STATUS_RPS 0x00000100 /* Receive Process Stopped */
|
||||
#define DMA_STATUS_RU 0x00000080 /* Receive Buffer Unavailable */
|
||||
#define DMA_STATUS_RI 0x00000040 /* Receive Interrupt */
|
||||
#define DMA_STATUS_UNF 0x00000020 /* Transmit Underflow */
|
||||
#define DMA_STATUS_OVF 0x00000010 /* Receive Overflow */
|
||||
#define DMA_STATUS_TJT 0x00000008 /* Transmit Jabber Timeout */
|
||||
#define DMA_STATUS_TU 0x00000004 /* Transmit Buffer Unavail */
|
||||
#define DMA_STATUS_TPS 0x00000002 /* Transmit Process Stopped */
|
||||
#define DMA_STATUS_TI 0x00000001 /* Transmit Interrupt */
|
||||
|
||||
/* Common MAC defines */
|
||||
#define MAC_ENABLE_TX 0x00000008 /* Transmitter Enable */
|
||||
#define MAC_ENABLE_RX 0x00000004 /* Receiver Enable */
|
||||
|
||||
/* XGMAC Operation Mode Register */
|
||||
#define XGMAC_OMR_TSF 0x00200000 /* TX FIFO Store and Forward */
|
||||
#define XGMAC_OMR_FTF 0x00100000 /* Flush Transmit FIFO */
|
||||
#define XGMAC_OMR_TTC 0x00020000 /* Transmit Threshhold Ctrl */
|
||||
#define XGMAC_OMR_TTC_SHIFT 16
|
||||
#define XGMAC_OMR_TTC_MASK 0x00030000
|
||||
#define XGMAC_OMR_RFD 0x00006000 /* FC Deactivation Threshhold */
|
||||
#define XGMAC_OMR_RFD_SHIFT 12
|
||||
#define XGMAC_OMR_RFD_MASK 0x00007000 /* FC Deact Threshhold MASK */
|
||||
#define XGMAC_OMR_RFA 0x00000600 /* FC Activation Threshhold */
|
||||
#define XGMAC_OMR_RFA_SHIFT 9
|
||||
#define XGMAC_OMR_RFA_MASK 0x00000E00 /* FC Act Threshhold MASK */
|
||||
#define XGMAC_OMR_EFC 0x00000100 /* Enable Hardware FC */
|
||||
#define XGMAC_OMR_FEF 0x00000080 /* Forward Error Frames */
|
||||
#define XGMAC_OMR_DT 0x00000040 /* Drop TCP/IP csum Errors */
|
||||
#define XGMAC_OMR_RSF 0x00000020 /* RX FIFO Store and Forward */
|
||||
#define XGMAC_OMR_RTC_256 0x00000018 /* RX Threshhold Ctrl */
|
||||
#define XGMAC_OMR_RTC_MASK 0x00000018 /* RX Threshhold Ctrl MASK */
|
||||
|
||||
/* XGMAC HW Features Register */
|
||||
#define DMA_HW_FEAT_TXCOESEL 0x00010000 /* TX Checksum offload */
|
||||
|
||||
#define XGMAC_MMC_CTRL_CNT_FRZ 0x00000008
|
||||
|
||||
/* XGMAC Descriptor Defines */
|
||||
#define MAX_DESC_BUF_SZ (0x2000 - 8)
|
||||
|
||||
#define RXDESC_EXT_STATUS 0x00000001
|
||||
#define RXDESC_CRC_ERR 0x00000002
|
||||
#define RXDESC_RX_ERR 0x00000008
|
||||
#define RXDESC_RX_WDOG 0x00000010
|
||||
#define RXDESC_FRAME_TYPE 0x00000020
|
||||
#define RXDESC_GIANT_FRAME 0x00000080
|
||||
#define RXDESC_LAST_SEG 0x00000100
|
||||
#define RXDESC_FIRST_SEG 0x00000200
|
||||
#define RXDESC_VLAN_FRAME 0x00000400
|
||||
#define RXDESC_OVERFLOW_ERR 0x00000800
|
||||
#define RXDESC_LENGTH_ERR 0x00001000
|
||||
#define RXDESC_SA_FILTER_FAIL 0x00002000
|
||||
#define RXDESC_DESCRIPTOR_ERR 0x00004000
|
||||
#define RXDESC_ERROR_SUMMARY 0x00008000
|
||||
#define RXDESC_FRAME_LEN_OFFSET 16
|
||||
#define RXDESC_FRAME_LEN_MASK 0x3fff0000
|
||||
#define RXDESC_DA_FILTER_FAIL 0x40000000
|
||||
|
||||
#define RXDESC1_END_RING 0x00008000
|
||||
|
||||
#define RXDESC_IP_PAYLOAD_MASK 0x00000003
|
||||
#define RXDESC_IP_PAYLOAD_UDP 0x00000001
|
||||
#define RXDESC_IP_PAYLOAD_TCP 0x00000002
|
||||
#define RXDESC_IP_PAYLOAD_ICMP 0x00000003
|
||||
#define RXDESC_IP_HEADER_ERR 0x00000008
|
||||
#define RXDESC_IP_PAYLOAD_ERR 0x00000010
|
||||
#define RXDESC_IPV4_PACKET 0x00000040
|
||||
#define RXDESC_IPV6_PACKET 0x00000080
|
||||
#define TXDESC_UNDERFLOW_ERR 0x00000001
|
||||
#define TXDESC_JABBER_TIMEOUT 0x00000002
|
||||
#define TXDESC_LOCAL_FAULT 0x00000004
|
||||
#define TXDESC_REMOTE_FAULT 0x00000008
|
||||
#define TXDESC_VLAN_FRAME 0x00000010
|
||||
#define TXDESC_FRAME_FLUSHED 0x00000020
|
||||
#define TXDESC_IP_HEADER_ERR 0x00000040
|
||||
#define TXDESC_PAYLOAD_CSUM_ERR 0x00000080
|
||||
#define TXDESC_ERROR_SUMMARY 0x00008000
|
||||
#define TXDESC_SA_CTRL_INSERT 0x00040000
|
||||
#define TXDESC_SA_CTRL_REPLACE 0x00080000
|
||||
#define TXDESC_2ND_ADDR_CHAINED 0x00100000
|
||||
#define TXDESC_END_RING 0x00200000
|
||||
#define TXDESC_CSUM_IP 0x00400000
|
||||
#define TXDESC_CSUM_IP_PAYLD 0x00800000
|
||||
#define TXDESC_CSUM_ALL 0x00C00000
|
||||
#define TXDESC_CRC_EN_REPLACE 0x01000000
|
||||
#define TXDESC_CRC_EN_APPEND 0x02000000
|
||||
#define TXDESC_DISABLE_PAD 0x04000000
|
||||
#define TXDESC_FIRST_SEG 0x10000000
|
||||
#define TXDESC_LAST_SEG 0x20000000
|
||||
#define TXDESC_INTERRUPT 0x40000000
|
||||
|
||||
#define DESC_OWN 0x80000000
|
||||
#define DESC_BUFFER1_SZ_MASK 0x00001fff
|
||||
#define DESC_BUFFER2_SZ_MASK 0x1fff0000
|
||||
#define DESC_BUFFER2_SZ_OFFSET 16
|
||||
|
||||
struct xgmac_dma_desc {
|
||||
__le32 flags;
|
||||
__le32 buf_size;
|
||||
__le32 buf1_addr; /* Buffer 1 Address Pointer */
|
||||
__le32 buf2_addr; /* Buffer 2 Address Pointer */
|
||||
__le32 ext_status;
|
||||
__le32 res[3];
|
||||
};
|
||||
|
||||
struct xgmac_priv {
|
||||
struct xgmac_dma_desc *rx_chain;
|
||||
struct xgmac_dma_desc *tx_chain;
|
||||
char *rxbuffer;
|
||||
|
||||
u32 tx_currdesc;
|
||||
u32 rx_currdesc;
|
||||
|
||||
void __iomem *base;
|
||||
|
||||
struct eth_device edev;
|
||||
struct device_d *dev;
|
||||
};
|
||||
|
||||
/* XGMAC Descriptor Access Helpers */
|
||||
static inline void desc_set_buf_len(struct xgmac_dma_desc *p, u32 buf_sz)
|
||||
{
|
||||
if (buf_sz > MAX_DESC_BUF_SZ)
|
||||
p->buf_size = cpu_to_le32(MAX_DESC_BUF_SZ |
|
||||
(buf_sz - MAX_DESC_BUF_SZ) << DESC_BUFFER2_SZ_OFFSET);
|
||||
else
|
||||
p->buf_size = cpu_to_le32(buf_sz);
|
||||
}
|
||||
|
||||
static inline int desc_get_buf_len(struct xgmac_dma_desc *p)
|
||||
{
|
||||
u32 len = le32_to_cpu(p->buf_size);
|
||||
return (len & DESC_BUFFER1_SZ_MASK) +
|
||||
((len & DESC_BUFFER2_SZ_MASK) >> DESC_BUFFER2_SZ_OFFSET);
|
||||
}
|
||||
|
||||
static inline void desc_init_rx_desc(struct xgmac_dma_desc *p, int ring_size,
|
||||
int buf_sz)
|
||||
{
|
||||
struct xgmac_dma_desc *end = p + ring_size - 1;
|
||||
|
||||
memset(p, 0, sizeof(*p) * ring_size);
|
||||
|
||||
for (; p <= end; p++)
|
||||
desc_set_buf_len(p, buf_sz);
|
||||
|
||||
end->buf_size |= cpu_to_le32(RXDESC1_END_RING);
|
||||
}
|
||||
|
||||
static inline void desc_init_tx_desc(struct xgmac_dma_desc *p, u32 ring_size)
|
||||
{
|
||||
memset(p, 0, sizeof(*p) * ring_size);
|
||||
p[ring_size - 1].flags = cpu_to_le32(TXDESC_END_RING);
|
||||
}
|
||||
|
||||
static inline int desc_get_owner(struct xgmac_dma_desc *p)
|
||||
{
|
||||
return le32_to_cpu(p->flags) & DESC_OWN;
|
||||
}
|
||||
|
||||
static inline void desc_set_rx_owner(struct xgmac_dma_desc *p)
|
||||
{
|
||||
/* Clear all fields and set the owner */
|
||||
p->flags = cpu_to_le32(DESC_OWN);
|
||||
}
|
||||
|
||||
static inline void desc_set_tx_owner(struct xgmac_dma_desc *p, u32 flags)
|
||||
{
|
||||
u32 tmpflags = le32_to_cpu(p->flags);
|
||||
tmpflags &= TXDESC_END_RING;
|
||||
tmpflags |= flags | DESC_OWN;
|
||||
p->flags = cpu_to_le32(tmpflags);
|
||||
}
|
||||
|
||||
static inline void *desc_get_buf_addr(struct xgmac_dma_desc *p)
|
||||
{
|
||||
return (void *)le32_to_cpu(p->buf1_addr);
|
||||
}
|
||||
|
||||
static inline void desc_set_buf_addr(struct xgmac_dma_desc *p,
|
||||
void *paddr, int len)
|
||||
{
|
||||
p->buf1_addr = cpu_to_le32(paddr);
|
||||
if (len > MAX_DESC_BUF_SZ)
|
||||
p->buf2_addr = cpu_to_le32(paddr + MAX_DESC_BUF_SZ);
|
||||
}
|
||||
|
||||
static inline void desc_set_buf_addr_and_size(struct xgmac_dma_desc *p,
|
||||
void *paddr, int len)
|
||||
{
|
||||
desc_set_buf_len(p, len);
|
||||
desc_set_buf_addr(p, paddr, len);
|
||||
}
|
||||
|
||||
static inline int desc_get_rx_frame_len(struct xgmac_dma_desc *p)
|
||||
{
|
||||
u32 data = le32_to_cpu(p->flags);
|
||||
u32 len = (data & RXDESC_FRAME_LEN_MASK) >> RXDESC_FRAME_LEN_OFFSET;
|
||||
if (data & RXDESC_FRAME_TYPE)
|
||||
len -= 4;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize a descriptor ring. Calxeda XGMAC is configured to use
|
||||
* advanced descriptors.
|
||||
*/
|
||||
|
||||
static void init_rx_desc(struct xgmac_priv *priv)
|
||||
{
|
||||
struct xgmac_dma_desc *rxdesc = priv->rx_chain;
|
||||
void *rxbuffer = priv->rxbuffer;
|
||||
int i;
|
||||
|
||||
desc_init_rx_desc(rxdesc, RX_NUM_DESC, ETH_BUF_SZ);
|
||||
writel((ulong)rxdesc, priv->base + XGMAC_DMA_RX_BASE_ADDR);
|
||||
|
||||
for (i = 0; i < RX_NUM_DESC; i++) {
|
||||
desc_set_buf_addr(rxdesc + i, rxbuffer + (i * ETH_BUF_SZ),
|
||||
ETH_BUF_SZ);
|
||||
desc_set_rx_owner(rxdesc + i);
|
||||
}
|
||||
}
|
||||
|
||||
static void init_tx_desc(struct xgmac_priv *priv)
|
||||
{
|
||||
desc_init_tx_desc(priv->tx_chain, TX_NUM_DESC);
|
||||
writel((ulong)priv->tx_chain, priv->base + XGMAC_DMA_TX_BASE_ADDR);
|
||||
}
|
||||
|
||||
static int xgmac_reset(struct eth_device *dev)
|
||||
{
|
||||
struct xgmac_priv *priv = dev->priv;
|
||||
int ret;
|
||||
u32 value;
|
||||
|
||||
value = readl(priv->base + XGMAC_CONTROL) & XGMAC_CONTROL_SPD_MASK;
|
||||
|
||||
writel(DMA_BUS_MODE_SFT_RESET, priv->base + XGMAC_DMA_BUS_MODE);
|
||||
|
||||
ret = wait_on_timeout(100 * MSECOND,
|
||||
!(readl(priv->base + XGMAC_DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET));
|
||||
|
||||
writel(value, priv->base + XGMAC_CONTROL);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int xgmac_open(struct eth_device *edev)
|
||||
{
|
||||
struct xgmac_priv *priv = edev->priv;
|
||||
int value;
|
||||
int ret;
|
||||
|
||||
ret = xgmac_reset(edev);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
/* set the AXI bus modes */
|
||||
value = DMA_BUS_MODE_ATDS |
|
||||
(16 << DMA_BUS_MODE_PBL_SHIFT) |
|
||||
DMA_BUS_MODE_FB | DMA_BUS_MODE_AAL;
|
||||
writel(value, priv->base + XGMAC_DMA_BUS_MODE);
|
||||
|
||||
value = DMA_AXIMODE_AAL | DMA_AXIMODE_BLEN16 |
|
||||
DMA_AXIMODE_BLEN8 | DMA_AXIMODE_BLEN4;
|
||||
writel(value, priv->base + XGMAC_DMA_AXI_BUS);
|
||||
|
||||
/* set flow control parameters and store and forward mode */
|
||||
value = (FIFO_MINUS_12K << XGMAC_OMR_RFD_SHIFT) |
|
||||
(FIFO_MINUS_4K << XGMAC_OMR_RFA_SHIFT) |
|
||||
XGMAC_OMR_EFC | XGMAC_OMR_TSF | XGMAC_OMR_RSF;
|
||||
writel(value, priv->base + XGMAC_OMR);
|
||||
|
||||
/* enable pause frames */
|
||||
value = (1024 << XGMAC_FLOW_CTRL_PT_SHIFT) |
|
||||
(1 << XGMAC_FLOW_CTRL_PLT_SHIFT) |
|
||||
XGMAC_FLOW_CTRL_UP | XGMAC_FLOW_CTRL_RFE | XGMAC_FLOW_CTRL_TFE;
|
||||
writel(value, priv->base + XGMAC_FLOW_CTRL);
|
||||
|
||||
/* Initialize the descriptor chains */
|
||||
init_rx_desc(priv);
|
||||
init_tx_desc(priv);
|
||||
|
||||
/* must set to 0, or when started up will cause issues */
|
||||
priv->tx_currdesc = 0;
|
||||
priv->rx_currdesc = 0;
|
||||
|
||||
/* set default core values */
|
||||
value = readl(priv->base + XGMAC_CONTROL);
|
||||
value &= XGMAC_CONTROL_SPD_MASK;
|
||||
value |= XGMAC_CONTROL_DDIC | XGMAC_CONTROL_ACS |
|
||||
XGMAC_CONTROL_IPC | XGMAC_CONTROL_CAR;
|
||||
|
||||
/* Everything is ready enable both mac and DMA */
|
||||
value |= XGMAC_CONTROL_RE | XGMAC_CONTROL_TE;
|
||||
writel(value, priv->base + XGMAC_CONTROL);
|
||||
|
||||
value = readl(priv->base + XGMAC_DMA_CONTROL);
|
||||
value |= DMA_CONTROL_SR | DMA_CONTROL_ST;
|
||||
writel(value, priv->base + XGMAC_DMA_CONTROL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xgmac_send(struct eth_device *edev, void *packet, int length)
|
||||
{
|
||||
struct xgmac_priv *priv = edev->priv;
|
||||
u32 currdesc = priv->tx_currdesc;
|
||||
struct xgmac_dma_desc *txdesc = &priv->tx_chain[currdesc];
|
||||
int ret;
|
||||
|
||||
dma_flush_range((ulong) packet, (ulong)packet + length);
|
||||
desc_set_buf_addr_and_size(txdesc, packet, length);
|
||||
desc_set_tx_owner(txdesc, TXDESC_FIRST_SEG |
|
||||
TXDESC_LAST_SEG | TXDESC_CRC_EN_APPEND);
|
||||
|
||||
/* write poll demand */
|
||||
writel(1, priv->base + XGMAC_DMA_TX_POLL);
|
||||
|
||||
ret = wait_on_timeout(1 * SECOND, !desc_get_owner(txdesc));
|
||||
if (ret) {
|
||||
dev_err(priv->dev, "TX timeout\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
priv->tx_currdesc = (currdesc + 1) & (TX_NUM_DESC - 1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xgmac_recv(struct eth_device *edev)
|
||||
{
|
||||
struct xgmac_priv *priv = edev->priv;
|
||||
u32 currdesc = priv->rx_currdesc;
|
||||
struct xgmac_dma_desc *rxdesc = &priv->rx_chain[currdesc];
|
||||
int length = 0;
|
||||
|
||||
/* check if the host has the desc */
|
||||
if (desc_get_owner(rxdesc))
|
||||
return -1; /* something bad happened */
|
||||
|
||||
length = desc_get_rx_frame_len(rxdesc);
|
||||
|
||||
net_receive(desc_get_buf_addr(rxdesc), length);
|
||||
|
||||
/* set descriptor back to owned by XGMAC */
|
||||
desc_set_rx_owner(rxdesc);
|
||||
writel(1, priv->base + XGMAC_DMA_RX_POLL);
|
||||
|
||||
priv->rx_currdesc = (currdesc + 1) & (RX_NUM_DESC - 1);
|
||||
|
||||
return length;
|
||||
}
|
||||
|
||||
static void xgmac_halt(struct eth_device *edev)
|
||||
{
|
||||
struct xgmac_priv *priv = edev->priv;
|
||||
int value;
|
||||
|
||||
/* Disable TX/RX */
|
||||
value = readl(priv->base + XGMAC_CONTROL);
|
||||
value &= ~(XGMAC_CONTROL_RE | XGMAC_CONTROL_TE);
|
||||
writel(value, priv->base + XGMAC_CONTROL);
|
||||
|
||||
/* Disable DMA */
|
||||
value = readl(priv->base + XGMAC_DMA_CONTROL);
|
||||
value &= ~(DMA_CONTROL_SR | DMA_CONTROL_ST);
|
||||
writel(value, priv->base + XGMAC_DMA_CONTROL);
|
||||
|
||||
/* must set to 0, or when started up will cause issues */
|
||||
priv->tx_currdesc = 0;
|
||||
priv->rx_currdesc = 0;
|
||||
}
|
||||
|
||||
static int xgmac_get_ethaddr(struct eth_device *edev, unsigned char *addr)
|
||||
{
|
||||
struct xgmac_priv *priv = edev->priv;
|
||||
u32 hi_addr, lo_addr;
|
||||
|
||||
/* Read the MAC address from the hardware */
|
||||
hi_addr = readl(priv->base + XGMAC_ADDR_HIGH(0));
|
||||
lo_addr = readl(priv->base + XGMAC_ADDR_LOW(0));
|
||||
|
||||
/* Extract the MAC address from the high and low words */
|
||||
addr[0] = lo_addr & 0xff;
|
||||
addr[1] = (lo_addr >> 8) & 0xff;
|
||||
addr[2] = (lo_addr >> 16) & 0xff;
|
||||
addr[3] = (lo_addr >> 24) & 0xff;
|
||||
addr[4] = hi_addr & 0xff;
|
||||
addr[5] = (hi_addr >> 8) & 0xff;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xgmac_set_ethaddr(struct eth_device *dev, unsigned char *addr)
|
||||
{
|
||||
struct xgmac_priv *priv = dev->priv;
|
||||
u32 data;
|
||||
|
||||
data = (addr[5] << 8) | addr[4];
|
||||
writel(data, priv->base + XGMAC_ADDR_HIGH(0));
|
||||
data = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0];
|
||||
writel(data, priv->base + XGMAC_ADDR_LOW(0));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int hb_xgmac_probe(struct device_d *dev)
|
||||
{
|
||||
struct eth_device *edev;
|
||||
struct xgmac_priv *priv;
|
||||
void __iomem *base;
|
||||
|
||||
base = dev_request_mem_region(dev, 0);
|
||||
|
||||
/* check hardware version */
|
||||
if (readl(base + XGMAC_VERSION) != 0x1012)
|
||||
return -EINVAL;
|
||||
|
||||
priv = xzalloc(sizeof(*priv));
|
||||
|
||||
priv->dev = dev;
|
||||
priv->base = base;
|
||||
|
||||
priv->rxbuffer = dma_alloc_coherent(RX_BUF_SZ);
|
||||
priv->rx_chain = dma_alloc_coherent(RX_NUM_DESC * sizeof(struct xgmac_dma_desc));
|
||||
priv->tx_chain = dma_alloc_coherent(TX_NUM_DESC * sizeof(struct xgmac_dma_desc));
|
||||
|
||||
edev = &priv->edev;
|
||||
edev->priv = priv;
|
||||
|
||||
edev->open = xgmac_open;
|
||||
edev->send = xgmac_send;
|
||||
edev->recv = xgmac_recv;
|
||||
edev->halt = xgmac_halt;
|
||||
edev->get_ethaddr = xgmac_get_ethaddr;
|
||||
edev->set_ethaddr = xgmac_set_ethaddr;
|
||||
edev->parent = dev;
|
||||
|
||||
eth_register(edev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static __maybe_unused struct of_device_id xgmac_dt_ids[] = {
|
||||
{
|
||||
.compatible = "calxeda,hb-xgmac",
|
||||
}, {
|
||||
/* sentinel */
|
||||
}
|
||||
};
|
||||
|
||||
static struct driver_d hb_xgmac_driver = {
|
||||
.name = "hb-xgmac",
|
||||
.probe = hb_xgmac_probe,
|
||||
.of_compatible = DRV_OF_COMPAT(xgmac_dt_ids),
|
||||
};
|
||||
|
||||
static int hb_xgmac_driver_init(void)
|
||||
{
|
||||
debug("%s\n", __func__);
|
||||
return platform_driver_register(&hb_xgmac_driver);
|
||||
}
|
||||
device_initcall(hb_xgmac_driver_init);
|
|
@ -734,18 +734,26 @@ u64 dt_mem_next_cell(int s, const __be32 **cellp)
|
|||
return of_read_number(p, s);
|
||||
}
|
||||
|
||||
static int of_add_memory(struct device_node *node)
|
||||
int of_add_memory(struct device_node *node, bool dump)
|
||||
{
|
||||
int na, nc;
|
||||
const __be32 *reg, *endp;
|
||||
int len, r = 0;
|
||||
int len, r = 0, ret;
|
||||
static char str[6];
|
||||
const char *device_type;
|
||||
|
||||
ret = of_property_read_string(node, "device_type", &device_type);
|
||||
if (ret)
|
||||
return -ENXIO;
|
||||
|
||||
if (strcmp(device_type, "memory"))
|
||||
return -ENXIO;
|
||||
|
||||
of_bus_count_cells(node, &na, &nc);
|
||||
|
||||
reg = of_get_property(node, "reg", &len);
|
||||
if (!reg)
|
||||
return 0;
|
||||
return -EINVAL;
|
||||
|
||||
endp = reg + (len / sizeof(__be32));
|
||||
|
||||
|
@ -762,6 +770,9 @@ static int of_add_memory(struct device_node *node)
|
|||
|
||||
barebox_add_memory_bank(str, base, size);
|
||||
|
||||
if (dump)
|
||||
pr_info("%s: %s: 0x%llx@0x%llx\n", node->name, str, size, base);
|
||||
|
||||
r++;
|
||||
}
|
||||
|
||||
|
@ -770,7 +781,7 @@ static int of_add_memory(struct device_node *node)
|
|||
|
||||
static int add_of_device_resource(struct device_node *node)
|
||||
{
|
||||
struct property *reg, *type;
|
||||
struct property *reg;
|
||||
u64 address, size;
|
||||
struct resource *res;
|
||||
struct device_d *dev;
|
||||
|
@ -783,9 +794,9 @@ static int add_of_device_resource(struct device_node *node)
|
|||
list_add_tail(&node->phandles, &phandle_list);
|
||||
}
|
||||
|
||||
type = of_find_property(node, "device_type");
|
||||
if (type)
|
||||
return of_add_memory(node);
|
||||
ret = of_add_memory(node, false);
|
||||
if (ret != -ENXIO)
|
||||
return ret;
|
||||
|
||||
reg = of_find_property(node, "reg");
|
||||
if (!reg)
|
||||
|
|
12
include/of.h
12
include/of.h
|
@ -17,6 +17,12 @@ void do_fixup_by_path(struct fdt_header *fdt, const char *path, const char *prop
|
|||
const void *val, int len, int create);
|
||||
void do_fixup_by_path_u32(struct fdt_header *fdt, const char *path, const char *prop,
|
||||
u32 val, int create);
|
||||
void do_fixup_by_compatible(struct fdt_header *fdt, const char *compatible,
|
||||
const char *prop, const void *val, int len, int create);
|
||||
void do_fixup_by_compatible_u32(struct fdt_header *fdt, const char *compatible,
|
||||
const char *prop, u32 val, int create);
|
||||
void do_fixup_by_compatible_string(struct fdt_header *fdt, const char *compatible,
|
||||
const char *prop, const char *val, int create);
|
||||
int fdt_get_path_or_create(struct fdt_header *fdt, const char *path);
|
||||
#ifdef CONFIG_FDT
|
||||
int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force);
|
||||
|
@ -132,6 +138,7 @@ int of_alias_get_id(struct device_node *np, const char *stem);
|
|||
int of_device_is_stdout_path(struct device_d *dev);
|
||||
const char *of_get_model(void);
|
||||
void *of_flatten_dtb(void);
|
||||
int of_add_memory(struct device_node *node, bool dump);
|
||||
#else
|
||||
static inline int of_parse_partitions(const char *cdevname,
|
||||
struct device_node *node)
|
||||
|
@ -163,6 +170,11 @@ static inline void *of_flatten_dtb(void)
|
|||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static inline int of_add_memory(struct device_node *node, bool dump)
|
||||
{
|
||||
return -EINVAL;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __OF_H */
|
||||
|
|
Loading…
Reference in New Issue