static void __init setup_machine_fdt(phys_addr_t dt_phys)
{
unsigned long dt_root;
if (!dt_phys || !early_init_dt_scan(phys_to_virt(dt_phys))) {
early_print("\n"
"Error: invalid device tree blob at physical address 0x%p (virtual address 0x%p)\n"
"The dtb must be 8-byte aligned and passed in the first 512MB of memory\n"
"\nPlease check your bootloader.\n",
dt_phys, phys_to_virt(dt_phys));
while (true)
cpu_relax();
}
dt_root = of_get_flat_dt_root();
/* for hacking machine desc, not upstream */
machine_desc = get_machine_desc_compatible();
if (machine_desc)
early_print("find compat machine_desc %s\n", machine_desc->name);
machine_name = of_get_flat_dt_prop(dt_root, "model", NULL);
if (!machine_name)
machine_name = of_get_flat_dt_prop(dt_root, "compatible", NULL);
if (!machine_name)
machine_name = "<unknown>";
pr_info("Machine: %s\n", machine_name);
}
struct machine_desc * __init setup_machine_tags(phys_addr_t __atags_pointer,
unsigned int machine_nr)
{
struct tag *tags = (struct tag *)&default_tags;
struct machine_desc *mdesc = NULL, *p;
char *from = default_command_line;
default_tags.mem.start = PHYS_OFFSET;
/*
* locate machine in the list of supported machines.
*/
for_each_machine_desc(p)
if (machine_nr == p->nr) {
printk("Machine: %s\n", p->name);
mdesc = p;
break;
}
if (!mdesc) {
early_print("\nError: unrecognized/unsupported machine ID"
" (r1 = 0x%08x).\n\n", machine_nr);
dump_machine_table(); /* does not return */
}
if (__atags_pointer)
tags = phys_to_virt(__atags_pointer);
else if (mdesc->atag_offset)
tags = (void *)(PAGE_OFFSET + mdesc->atag_offset);
#if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
/*
* If we have the old style parameters, convert them to
* a tag list.
*/
if (tags->hdr.tag != ATAG_CORE)
convert_to_tag_list(tags);
#endif
if (tags->hdr.tag != ATAG_CORE) {
early_print("Warning: Neither atags nor dtb found\n");
tags = (struct tag *)&default_tags;
}
if (mdesc->fixup)
mdesc->fixup(tags, &from, &meminfo);
if (tags->hdr.tag == ATAG_CORE) {
if (meminfo.nr_banks != 0)
squash_mem_tags(tags);
save_atags(tags);
parse_tags(tags);
}
/* parse_early_param needs a boot_command_line */
strlcpy(boot_command_line, from, COMMAND_LINE_SIZE);
return mdesc;
}
static void __init setup_machine_fdt(phys_addr_t dt_phys)
{
struct boot_param_header *devtree;
unsigned long dt_root;
cpuinfo_store_cpu();
/* Check we have a non-NULL DT pointer */
if (!dt_phys) {
early_print("\n"
"Error: NULL or invalid device tree blob\n"
"The dtb must be 8-byte aligned and passed in the first 512MB of memory\n"
"\nPlease check your bootloader.\n");
while (true)
cpu_relax();
}
devtree = phys_to_virt(dt_phys);
/* Check device tree validity */
if (be32_to_cpu(devtree->magic) != OF_DT_HEADER) {
early_print("\n"
"Error: invalid device tree blob at physical address 0x%p (virtual address 0x%p)\n"
"Expected 0x%x, found 0x%x\n"
"\nPlease check your bootloader.\n",
dt_phys, devtree, OF_DT_HEADER,
be32_to_cpu(devtree->magic));
while (true)
cpu_relax();
}
initial_boot_params = devtree;
dt_root = of_get_flat_dt_root();
machine_name = of_get_flat_dt_prop(dt_root, "model", NULL);
if (!machine_name)
machine_name = of_get_flat_dt_prop(dt_root, "compatible", NULL);
if (!machine_name)
machine_name = "<unknown>";
pr_info("Machine: %s\n", machine_name);
/* Retrieve various information from the /chosen node */
of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
/* Initialize {size,address}-cells info */
of_scan_flat_dt(early_init_dt_scan_root, NULL);
/* Setup memory, calling early_init_dt_add_memory_arch */
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
}
long get_cmos_time(void)
{
unsigned int year, mon, day, hour, min, sec;
do {
sec = CMOS_READ(RTC_SECONDS);
min = CMOS_READ(RTC_MINUTES);
hour = CMOS_READ(RTC_HOURS);
day = CMOS_READ(RTC_DAY_OF_MONTH);
mon = CMOS_READ(RTC_MONTH);
year = CMOS_READ(RTC_YEAR);
} while (sec != CMOS_READ(RTC_SECONDS));
BCD_TO_BIN(sec);
BCD_TO_BIN(min);
BCD_TO_BIN(hour);
BCD_TO_BIN(day);
BCD_TO_BIN(mon);
BCD_TO_BIN(year);
if ((year += 1900) < 1970)
year += 100;
early_print("%d/%d/%d, %d:%d:%d\n",
year, mon, day, hour, min, sec);
return mktime(year, mon, day, hour, min, sec);
}
static void __init tl7689_dt_init(void)
{
/*
* Finished with the static registrations now; fill in the missing
* devices
*/
early_print("%d at %s\n",__LINE__,__func__);
// irq_domain_generate_simple(tl7689_dt_gic_match, TL7689_GIC_DIST_BASE, IRQ_TL7689_GIC_START);
common_init();
of_tl7689_int_pinmux();
#ifdef CONFIG_SND_SOC_ALC5631
//rt5631_gpio_ref_init();
of_tl7689_init_gpio_mute_amp();
#endif
// TL7689_PINMUX_INIT(pad_refboard);
of_platform_populate(NULL, tl7689_dt_match_table, tl7689_auxdata_lookup, NULL);
soc_plat_register_devices(plat_devs, ARRAY_SIZE(plat_devs));
ext_i2c_register_devices(extend_i2c_devs,ARRAY_SIZE(extend_i2c_devs));
printk("on2_base = 0x%x, on2_size = 0x%x\n lcd_base = 0x%x, \
lcd_size = 0x%x\n gpu_size = 0x%x, ump_size = 0x%x\n",\
nusmart_on2_base(),
nusmart_on2_len(),
nusmart_lcd_base(),
nusmart_lcd_len(),
nusmart_mali_len(),
nusmart_mali_ump_len());
}
void print_mmap(struct mm_struct *mm)
{
struct vm_area_struct *vma;
for (vma = mm->mmap; vma; vma = vma->vm_next) {
early_print("%x, %x, ", vma->vm_start, vma->vm_end);
char c1, c2;
if (vma->vm_flags & VM_WRITE)
c1 = 'w';
else if (vma->vm_flags & (VM_READ | VM_EXEC))
c1 = 'r';
else
c1 = 'o';
if (vma->vm_flags & VM_SHARED)
c2 = 'S';
else
c2 = 'P';
early_print("%c, %c\n", c1, c2);
}
}
static int of_tl7689_int_pinmux()
{
struct device_node *of_pinmux = NULL;
const __be32 *list;
u32 size=0,pin_setting[TL7689_PINMUX_SIZE] = {0};
u32 i=0;
of_pinmux = of_find_node_by_path("/pinmux");
if (!of_pinmux) {
early_print("can not find pinmux in dtb\n");
while (1);
}
if (of_device_is_compatible(of_pinmux, pinmux_compat)) {
list = of_get_property(of_pinmux,"setting_table",&size);
if(size == 0 || size > TL7689_PINMUX_SIZE * sizeof(int) || list == NULL) {
early_print("can not find setting_table or size err in pinmux node,size:%d,0x%x\n",size,list);
while (1);
}
size /= sizeof(*list);
early_print("find pinmux of node size is %d\n",size);
if (size != TL7689_PINMUX_SIZE)
size = TL7689_PINMUX_SIZE;
while (i < size) {
*(pin_setting+i) = be32_to_cpup(list++);
early_print("pin(%d~%d) setting 0x%x\n",i*4,i*4+3,*(pin_setting+i));
i ++;
}
pinmux_init(pin_setting,size);
return 0;
} else {
early_print("can not find compatible pinmux\n");
while (1);
}
return 0;
}
void insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma)
{
struct vm_area_struct **p, *mpnt;
p = &mm->mmap;
while ((mpnt = *p) != NULL) {
if (mpnt->vm_start > vma->vm_start)
break;
if (mpnt->vm_end > vma->vm_start)
early_print("%s: overlapping vm_areas\n", __FUNCTION__);
p = &mpnt->vm_next;
}
vma->vm_next = mpnt;
*p = vma;
}
static void __init setup_machine_fdt(phys_addr_t dt_phys)
{
if (!dt_phys || !early_init_dt_scan(phys_to_virt(dt_phys))) {
early_print("\n"
"Error: invalid device tree blob at physical address 0x%p (virtual address 0x%p)\n"
"The dtb must be 8-byte aligned and passed in the first 512MB of memory\n"
"\nPlease check your bootloader.\n",
dt_phys, phys_to_virt(dt_phys));
while (true)
cpu_relax();
}
machine_name = of_flat_dt_get_machine_name();
}
/**
* setup_machine_fdt - Machine setup when an dtb was passed to the kernel
* @dt_phys: physical address of dt blob
*
* If a dtb was passed to the kernel in r2, then use it to choose the
* correct machine_desc and to setup the system.
*/
struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
{
struct boot_param_header *devtree;
struct machine_desc *mdesc, *mdesc_best = NULL;
unsigned int score, mdesc_score = ~1;
unsigned long dt_root;
const char *model;
devtree = phys_to_virt(dt_phys);
/* check device tree validity */
if (be32_to_cpu(devtree->magic) != OF_DT_HEADER)
return NULL;
/* Search the mdescs for the 'best' compatible value match */
initial_boot_params = devtree;
dt_root = of_get_flat_dt_root();
for_each_machine_desc(mdesc) {
score = of_flat_dt_match(dt_root, mdesc->dt_compat);
if (score > 0 && score < mdesc_score) {
mdesc_best = mdesc;
mdesc_score = score;
}
}
if (!mdesc_best) {
const char *prop;
long size;
early_print("\nError: unrecognized/unsupported "
"device tree compatible list:\n[ ");
prop = of_get_flat_dt_prop(dt_root, "compatible", &size);
while (size > 0) {
early_print("'%s' ", prop);
size -= strlen(prop) + 1;
prop += strlen(prop) + 1;
}
early_print("]\n\n");
dump_machine_table(); /* does not return */
}
model = of_get_flat_dt_prop(dt_root, "model", NULL);
if (!model)
model = of_get_flat_dt_prop(dt_root, "compatible", NULL);
if (!model)
model = "<unknown>";
pr_info("Machine: %s, model: %s\n", mdesc_best->name, model);
/* Retrieve various information from the /chosen node */
of_scan_flat_dt(early_init_dt_scan_chosen, NULL);
/* Initialize {size,address}-cells info */
of_scan_flat_dt(early_init_dt_scan_root, NULL);
/* Setup memory, calling early_init_dt_add_memory_arch */
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
/* Save command line for /proc/cmdline */
strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
/* Change machine number to match the mdesc we're using */
__machine_arch_type = mdesc_best->nr;
return mdesc_best;
}
struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
{
struct boot_param_header *devtree;
struct machine_desc *mdesc, *mdesc_best = NULL;
unsigned int score, mdesc_score = ~1;
unsigned long dt_root;
const char *model;
printk("kinson:[%s]-[%d] dt_phys:0x%08x\n",__FUNCTION__,__LINE__,dt_phys);
if (!dt_phys)
return NULL;
debug_step_dt=1;
devtree = phys_to_virt(dt_phys);
printk("kinson:[%s]-[%d] devtree:0x%08x devtree->magic:0x%x 0x%x 0x%x 0x%x\n",__FUNCTION__,__LINE__,devtree,be32_to_cpu(devtree->magic),devtree->totalsize,
devtree->off_dt_struct,devtree->off_dt_strings);
/* check device tree validity */
if (be32_to_cpu(devtree->magic) != OF_DT_HEADER)
{
printk("kinson:[%s]-[%d] devtree->magic error!\n",__FUNCTION__,__LINE__);
return NULL;
}
/* Search the mdescs for the 'best' compatible value match */
initial_boot_params = devtree;
dt_root = of_get_flat_dt_root();
for_each_machine_desc(mdesc) {
#if 0
score = of_flat_dt_match(dt_root, mdesc->dt_compat);
if (score > 0 && score < mdesc_score) {
mdesc_best = mdesc;
mdesc_score = score;
}
#else //kinson
mdesc_best = mdesc;
#endif
}
debug_step_dt=2;
if (!mdesc_best) {
const char *prop;
long size;
early_print("\nError: unrecognized/unsupported "
"device tree compatible list:\n[ ");
debug_step_dt=3;
prop = of_get_flat_dt_prop(dt_root, "compatible", &size);
while (size > 0) {
early_print("'%s' ", prop);
size -= strlen(prop) + 1;
prop += strlen(prop) + 1;
}
early_print("]\n\n");
debug_step_dt=4;
dump_machine_table(); /* does not return */
}
debug_step_dt=7;
model = of_get_flat_dt_prop(dt_root, "model", NULL);
if (!model)
model = of_get_flat_dt_prop(dt_root, "compatible", NULL);
if (!model)
model = "<unknown>";
pr_info("Machine: %s, model: %s\n", mdesc_best->name, model);
debug_step_dt=8;
/* Retrieve various information from the /chosen node */
of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
/* Initialize {size,address}-cells info */
debug_step_dt=9;
of_scan_flat_dt(early_init_dt_scan_root, NULL);
debug_step_dt=10;
/* Setup memory, calling early_init_dt_add_memory_arch */
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
debug_step_dt=11;
/* Change machine number to match the mdesc we're using */
__machine_arch_type = mdesc_best->nr;
return mdesc_best;
}
static struct machine_desc * __init setup_machine_fdt(phys_addr_t dt_phys)
{
struct boot_param_header *devtree;
struct machine_desc *mdesc, *mdesc_best = NULL;
unsigned int score, mdesc_score = ~1;
unsigned long dt_root;
/* Check we have a non-NULL DT pointer */
if (!dt_phys) {
early_print("\n"
"Error: NULL or invalid device tree blob\n"
"The dtb must be 8-byte aligned and passed in the first 512MB of memory\n"
"\nPlease check your bootloader.\n");
while (true)
cpu_relax();
}
devtree = phys_to_virt(dt_phys);
/* Check device tree validity */
if (be32_to_cpu(devtree->magic) != OF_DT_HEADER) {
early_print("\n"
"Error: invalid device tree blob at physical address 0x%p (virtual address 0x%p)\n"
"Expected 0x%x, found 0x%x\n"
"\nPlease check your bootloader.\n",
dt_phys, devtree, OF_DT_HEADER,
be32_to_cpu(devtree->magic));
while (true)
cpu_relax();
}
initial_boot_params = devtree;
dt_root = of_get_flat_dt_root();
for_each_machine_desc(mdesc) {
score = of_flat_dt_match(dt_root, mdesc->dt_compat);
if (score > 0 && score < mdesc_score) {
mdesc_best = mdesc;
mdesc_score = score;
}
}
if (!mdesc_best) {
const char *prop;
long size;
pr_info("\nError: unrecognized/unsupported "
"device tree compatible list:\n[ ");
prop = of_get_flat_dt_prop(dt_root, "compatible", &size);
while (size > 0) {
pr_info("'%s' ", prop);
size -= strlen(prop) + 1;
prop += strlen(prop) + 1;
}
pr_info("]\n\n");
while (true)
/* can't use cpu_relax() here as it may require MMU setup */;
}
machine_name = of_get_flat_dt_prop(dt_root, "model", NULL);
if (!machine_name)
machine_name = of_get_flat_dt_prop(dt_root, "compatible", NULL);
if (!machine_name)
machine_name = "<unknown>";
pr_info("Machine: %s\n", machine_name);
/* Retrieve various information from the /chosen node */
of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
/* Initialize {size,address}-cells info */
of_scan_flat_dt(early_init_dt_scan_root, NULL);
/* Setup memory, calling early_init_dt_add_memory_arch */
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
return mdesc_best;
}