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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-04-21 12:27:27 +03:00

lots of ifxmips cleanups

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11607 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic
2008-06-29 00:42:45 +00:00
parent 9309132bb9
commit b6fb9a7180
14 changed files with 150 additions and 372 deletions

View File

@@ -18,6 +18,10 @@ config IFXMIPS_MEI
bool "IFXMips mei"
default y
config IFXMIPS_GPIO_RST_BTN
bool "Reset Button"
default y
choice
prompt "prom_printf ASC"
help

View File

@@ -30,7 +30,9 @@
#include <asm/time.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <linux/etherdevice.h>
#include <asm/ifxmips/ifxmips.h>
#include <asm/ifxmips/ifxmips_mii0.h>
#define MAX_IFXMIPS_DEVS 9
@@ -42,10 +44,13 @@
static unsigned int chiprev;
static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS];
static int cmdline_mac = 0;
spinlock_t ebu_lock = SPIN_LOCK_UNLOCKED;
EXPORT_SYMBOL_GPL(ebu_lock);
static struct ifxmips_mac ifxmips_mii_mac;
static struct platform_device
ifxmips_led[] =
{
@@ -70,6 +75,9 @@ ifxmips_mii[] =
{
.id = 0,
.name = "ifxmips_mii0",
.dev = {
.platform_data = &ifxmips_mii_mac,
}
},
};
@@ -82,11 +90,6 @@ ifxmips_wdt[] =
},
};
static struct physmap_flash_data
ifxmips_mtd_data = {
.width = 2,
};
static struct resource
ifxmips_mtd_resource = {
.start = IFXMIPS_FLASH_START,
@@ -100,9 +103,6 @@ ifxmips_mtd[] =
{
.id = 0,
.name = "ifxmips_mtd",
.dev = {
.platform_data = &ifxmips_mtd_data,
},
.num_resources = 1,
.resource = &ifxmips_mtd_resource,
},
@@ -148,11 +148,40 @@ get_system_type(void)
return BOARD_SYSTEM_TYPE;
}
#define IS_HEX(x) (((x >='0' && x <= '9') || (x >='a' && x <= 'f') || (x >='A' && x <= 'F'))?(1):(0))
static int __init
ifxmips_set_mii0_mac(char *str)
{
int i;
str = strchr(str, '=');
if(!str)
goto out;
str++;
if(strlen(str) != 17)
goto out;
for(i = 0; i < 6; i++)
{
if(!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1]))
goto out;
if((i != 5) && (str[(3 * i) + 2] != ':'))
goto out;
ifxmips_mii_mac.mac[i] = simple_strtoul(&str[3 * i], NULL, 16);
}
if(is_valid_ether_addr(ifxmips_mii_mac.mac))
cmdline_mac = 1;
out:
return 1;
}
__setup("mii0_mac", ifxmips_set_mii0_mac);
int __init
ifxmips_init_devices(void)
{
int dev = 0;
if(!cmdline_mac)
random_ether_addr(ifxmips_mii_mac.mac);
ifxmips_devs[dev++] = ifxmips_led;
ifxmips_devs[dev++] = ifxmips_gpio;
ifxmips_devs[dev++] = ifxmips_mii;

View File

@@ -429,3 +429,46 @@ void cgu_setup_pci_clk(int external_clock)
ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR);
}
}
unsigned int
ifxmips_get_ddr_hz(void)
{
switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3)
{
case 0:
return CLOCK_167M;
case 1:
return CLOCK_133M;
case 2:
return CLOCK_111M;
}
return CLOCK_83M;
}
EXPORT_SYMBOL(ifxmips_get_ddr_hz);
unsigned int
ifxmips_get_cpu_hz(void)
{
unsigned int ddr_clock = ifxmips_get_ddr_hz();
switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc)
{
case 0:
return CLOCK_333M;
case 4:
return ddr_clock;
}
return ddr_clock << 1;
}
EXPORT_SYMBOL(ifxmips_get_cpu_hz);
unsigned int
ifxmips_get_fpi_hz(void)
{
unsigned int ddr_clock = ifxmips_get_ddr_hz();
if(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40)
return ddr_clock >> 1;
return ddr_clock;
}
EXPORT_SYMBOL(ifxmips_get_fpi_hz);

View File

@@ -303,7 +303,7 @@ reset_button_poll(unsigned long unused)
{
struct event_t *event;
rst_button_timer.expires = jiffies + HZ;
rst_button_timer.expires = jiffies + (HZ / 4);
add_timer(&rst_button_timer);
if (pressed != ifxmips_port_get_input(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN))
@@ -312,7 +312,6 @@ reset_button_poll(unsigned long unused)
pressed = 0;
else
pressed = 1;
printk("reset button was %s\n", (pressed ? "pressed" : "released"));
event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
if (!event)
{

View File

@@ -141,6 +141,7 @@ ifxmips_hw_irqdispatch(int module)
if(irq == 0)
return;
/* we need to do this due to a silicon bug */
irq = ls1bit32(irq);
do_IRQ((int)irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module));

View File

@@ -27,6 +27,7 @@
#include <asm/ifxmips/ifxmips.h>
#include <asm/ifxmips/ifxmips_irq.h>
#include <asm/ifxmips/ifxmips_pmu.h>
#include <asm/ifxmips/ifxmips_cgu.h>
#include <asm/ifxmips/ifxmips_prom.h>
static unsigned int r4k_offset;
@@ -34,51 +35,10 @@ static unsigned int r4k_cur;
extern void ifxmips_reboot_setup(void);
unsigned int
ifxmips_get_ddr_hz(void)
{
switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3)
{
case 0:
return CLOCK_167M;
case 1:
return CLOCK_133M;
case 2:
return CLOCK_111M;
}
return CLOCK_83M;
}
EXPORT_SYMBOL(ifxmips_get_ddr_hz);
unsigned int
ifxmips_get_cpu_hz(void)
{
unsigned int ddr_clock = ifxmips_get_ddr_hz();
switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc)
{
case 0:
return CLOCK_333M;
case 4:
return ddr_clock;
}
return ddr_clock << 1;
}
EXPORT_SYMBOL(ifxmips_get_cpu_hz);
unsigned int
ifxmips_get_fpi_hz(void)
{
unsigned int ddr_clock = ifxmips_get_ddr_hz();
if(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40)
return ddr_clock >> 1;
return ddr_clock;
}
EXPORT_SYMBOL(ifxmips_get_fpi_hz);
unsigned int
ifxmips_get_cpu_ver(void)
{
return ifxmips_r32(IFXMIPS_MCD_CHIPID) & 0xFFFFF000;
return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28;
}
EXPORT_SYMBOL(ifxmips_get_cpu_ver);
@@ -100,27 +60,15 @@ ifxmips_get_counter_resolution(void)
return res;
}
int
ifxmips_be_handler(struct pt_regs *regs, int is_fixup)
{
/*TODO*/
printk(KERN_ERR "TODO: BUS error\n");
return MIPS_BE_FATAL;
}
void __init
plat_time_init(void)
{
mips_hpt_frequency = ifxmips_get_cpu_hz() / ifxmips_get_counter_resolution();
r4k_cur = (read_c0_count() + r4k_offset);
write_c0_compare(r4k_cur);
ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI);
ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC);
ifxmips_w32(0xffff, IFXMIPS_GPTU_GPT_CAPREL);
ifxmips_w32(0x80C0, IFXMIPS_GPTU_GPT_T6CON);
ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC); // set clock divider to 1
}
void __init
@@ -134,7 +82,6 @@ plat_mem_setup(void)
write_c0_status(status);
ifxmips_reboot_setup();
board_be_handler = &ifxmips_be_handler;
ioport_resource.start = IOPORT_RESOURCE_START;
ioport_resource.end = IOPORT_RESOURCE_END;