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-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/memory.c119
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/platform.c1
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/prom.c185
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/setup.c3
-rw-r--r--target/linux/ar7-2.6/files/drivers/net/cpmac.c6
-rw-r--r--target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h7
-rw-r--r--target/linux/ar7-2.6/files/include/asm-mips/ar7/prom.h3
7 files changed, 94 insertions, 230 deletions
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/memory.c b/target/linux/ar7-2.6/files/arch/mips/ar7/memory.c
index 8ff571ce2..99faf217b 100644
--- a/target/linux/ar7-2.6/files/arch/mips/ar7/memory.c
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/memory.c
@@ -60,132 +60,13 @@ static int __init memsize(void)
return size;
}
-#ifdef CONFIG_NEED_MULTIPLE_NODES
-static bootmem_data_t node_bootmem_data;
-pg_data_t __node_data[1] = {
- {
- .bdata = &node_bootmem_data
- },
-};
-EXPORT_SYMBOL(__node_data);
-
-unsigned long max_mapnr;
-struct page *mem_map;
-EXPORT_SYMBOL(max_mapnr);
-EXPORT_SYMBOL(mem_map);
-
-static unsigned long setup_zero_pages(void)
-{
- unsigned int order = 3;
- unsigned long size;
- struct page *page;
-
- empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
- if (!empty_zero_page)
- panic("Oh boy, that early out of memory?");
-
- page = virt_to_page(empty_zero_page);
- split_page(page, order);
- while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
- SetPageReserved(page);
- page++;
- }
-
- size = PAGE_SIZE << order;
- zero_page_mask = (size - 1) & PAGE_MASK;
-
- return 1UL << order;
-}
-
-extern void pagetable_init(void);
-
-void __init paging_init(void)
-{
- unsigned long zones_size[MAX_NR_ZONES] = { 0, };
-
- pagetable_init();
-
- zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn;
-
- free_area_init_node(0, NODE_DATA(0), zones_size, ARCH_PFN_OFFSET, NULL);
-}
-
-static struct kcore_list kcore_mem, kcore_vmalloc;
-
-void __init mem_init(void)
-{
- unsigned long codesize, reservedpages, datasize, initsize;
- unsigned long tmp, ram;
- unsigned long kernel_start, kernel_end;
-
- kernel_start = PFN_DOWN(CPHYSADDR((unsigned long)&_text));
- kernel_end = PFN_UP(CPHYSADDR((unsigned long)&_end));
- for (tmp = min_low_pfn + 1; tmp < kernel_start; tmp++) {
- ClearPageReserved(pfn_to_page(tmp));
- init_page_count(pfn_to_page(tmp));
- free_page((unsigned long)__va(tmp << PAGE_SHIFT));
- }
-
- totalram_pages += free_all_bootmem();
- totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */
-
- reservedpages = ram = 0;
- for (tmp = min_low_pfn; tmp <= max_low_pfn; tmp++) {
- ram++;
- if (PageReserved(pfn_to_page(tmp)))
- if ((tmp < kernel_start) || (tmp > kernel_end))
- reservedpages++;
- }
- num_physpages = ram;
-
- codesize = (unsigned long) &_etext - (unsigned long) &_text;
- datasize = (unsigned long) &_edata - (unsigned long) &_etext;
- initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
-
- kclist_add(&kcore_mem, __va(min_low_pfn),
- (max_low_pfn - min_low_pfn) << PAGE_SHIFT);
- kclist_add(&kcore_vmalloc, (void *)VMALLOC_START,
- VMALLOC_END - VMALLOC_START);
-
- printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
- "%ldk reserved, %ldk data, %ldk init)\n",
- (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
- ram << (PAGE_SHIFT-10),
- codesize >> 10,
- reservedpages << (PAGE_SHIFT-10),
- datasize >> 10,
- initsize >> 10);
-}
-#endif
-
void __init prom_meminit(void)
{
unsigned long pages;
-#ifdef CONFIG_NEED_MULTIPLE_NODES
- unsigned long kernel_start, kernel_end;
- unsigned long free_pages;
- unsigned long bootmap_size;
-#endif
pages = memsize() >> PAGE_SHIFT;
add_memory_region(ARCH_PFN_OFFSET << PAGE_SHIFT, pages <<
PAGE_SHIFT, BOOT_MEM_RAM);
-
-#ifdef CONFIG_NEED_MULTIPLE_NODES
- kernel_start = PFN_DOWN(CPHYSADDR((unsigned long)&_text));
- kernel_end = PFN_UP(CPHYSADDR((unsigned long)&_end));
- min_low_pfn = ARCH_PFN_OFFSET;
- max_low_pfn = ARCH_PFN_OFFSET + pages;
- max_mapnr = max_low_pfn;
- free_pages = pages - (kernel_end - min_low_pfn);
- bootmap_size = init_bootmem_node(NODE_DATA(0), kernel_end,
- ARCH_PFN_OFFSET, max_low_pfn);
-
- free_bootmem(PFN_PHYS(kernel_end), free_pages << PAGE_SHIFT);
- memory_present(0, min_low_pfn, max_low_pfn);
- reserve_bootmem(PFN_PHYS(kernel_end), bootmap_size);
- mem_map = NODE_DATA(0)->node_mem_map;
-#endif
}
void __init prom_free_prom_memory(void)
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/platform.c b/target/linux/ar7-2.6/files/arch/mips/ar7/platform.c
index c61e20a6c..b9f7d0e9f 100644
--- a/target/linux/ar7-2.6/files/arch/mips/ar7/platform.c
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/platform.c
@@ -32,6 +32,7 @@
#include <asm/io.h>
#include <asm/ar7/ar7.h>
#include <asm/ar7/gpio.h>
+#include <asm/ar7/prom.h>
#include <asm/ar7/vlynq.h>
struct plat_vlynq_data {
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/prom.c b/target/linux/ar7-2.6/files/arch/mips/ar7/prom.c
index 08904dee7..28397427d 100644
--- a/target/linux/ar7-2.6/files/arch/mips/ar7/prom.c
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/prom.c
@@ -33,6 +33,7 @@
#include <asm/gdb-stub.h>
#include <asm/ar7/ar7.h>
+#include <asm/ar7/prom.h>
#define MAX_ENTRY 80
@@ -41,72 +42,6 @@ struct env_var {
char *value;
};
-struct psp_chip_map {
- u16 chip;
- char *names[50];
-};
-
-/* I hate this. No. *I* *HATE* *THIS* */
-static __initdata struct psp_chip_map psp_chip_map[] = {
- {
- .chip = AR7_CHIP_7100,
- .names = {
- "dummy", "cpufrequency", "memsize",
- "flashsize", "modetty0", "modetty1", "prompt",
- "bootcfg", "maca", "macb", "usb_rndis_mac",
- "macap", "my_ipaddress", "server_ipaddress",
- "bline_maca", "bline_macb", "bline_rndis",
- "bline_atm", "usb_pid", "usb_vid",
- "usb_eppolli", "gateway_ipaddress",
- "subnet_mask", "usb_serial", "usb_board_mac",
- "remote_user", "remote_pass", "remote_dir",
- "sysfrequency", "link_timeout", "mac_port",
- "path", "hostname", "tftpcfg", "buildops",
- "tftp_fo_fname", "tftp_fo_ports",
- "console_state", "mipsfrequency",
- },
- },
- {
- .chip = AR7_CHIP_7200,
- .names = {
- "dummy", "cpufrequency", "memsize",
- "flashsize", "modetty0", "modetty1", "prompt",
- "bootcfg", "maca", "macb", "usb_rndis_mac",
- "macap", "my_ipaddress", "server_ipaddress",
- "bline_maca", "bline_macb", "bline_rndis",
- "bline_atm", "usb_pid", "usb_vid",
- "usb_eppolli", "gateway_ipaddress",
- "subnet_mask", "usb_serial", "usb_board_mac",
- "remote_user", "remote_pass", "remote_dir",
- "sysfrequency", "link_timeout", "mac_port",
- "path", "hostname", "tftpcfg", "buildops",
- "tftp_fo_fname", "tftp_fo_ports",
- "console_state", "mipsfrequency",
- },
- },
- {
- .chip = AR7_CHIP_7300,
- .names = {
- "dummy", "cpufrequency", "memsize",
- "flashsize", "modetty0", "modetty1", "prompt",
- "bootcfg", "maca", "macb", "usb_rndis_mac",
- "macap", "my_ipaddress", "server_ipaddress",
- "bline_maca", "bline_macb", "bline_rndis",
- "bline_atm", "usb_pid", "usb_vid",
- "usb_eppolli", "gateway_ipaddress",
- "subnet_mask", "usb_serial", "usb_board_mac",
- "remote_user", "remote_pass", "remote_dir",
- "sysfrequency", "link_timeout", "mac_port",
- "path", "hostname", "tftpcfg", "buildops",
- "tftp_fo_fname", "tftp_fo_ports",
- "console_state", "mipsfrequency",
- },
- },
- {
- .chip = 0x0,
- },
-};
-
static struct env_var adam2_env[MAX_ENTRY] = { { 0, }, };
char * prom_getenv(char *name)
@@ -155,15 +90,71 @@ struct psbl_rec {
static __initdata char psp_env_version[] = "TIENV0.8";
-struct psp_env_var {
- unsigned char num;
- unsigned char ctrl;
- unsigned short csum;
- unsigned char len;
- unsigned char data[11];
+struct psp_env_chunk {
+ u8 num;
+ u8 ctrl;
+ u16 csum;
+ u8 len;
+ char data[11];
+} __attribute__ ((packed));
+
+struct psp_var_map_entry {
+ u8 num;
+ char *value;
+};
+
+static struct psp_var_map_entry psp_var_map[] = {
+ { 1, "cpufrequency" },
+ { 2, "memsize" },
+ { 3, "flashsize" },
+ { 4, "modetty0" },
+ { 5, "modetty1" },
+ { 8, "maca" },
+ { 9, "macb" },
+ { 28, "sysfrequency" },
+ { 38, "mipsfrequency" },
};
-static char psp_env_data[2048] = { 0, };
+/*
+
+Well-known variable (num is looked up in table above for matching variable name)
+Example: cpufrequency=211968000
++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
+| 01 |CTRL|CHECKSUM | 01 | _2 | _1 | _1 | _9 | _6 | _8 | _0 | _0 | _0 | \0 | FF |
++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
+
+Name=Value pair in a single chunk
+Example: NAME=VALUE
++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
+| 00 |CTRL|CHECKSUM | 01 | _N | _A | _M | _E | _0 | _V | _A | _L | _U | _E | \0 |
++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
+
+Name=Value pair in 2 chunks (len is the number of chunks)
+Example: bootloaderVersion=1.3.7.15
++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
+| 00 |CTRL|CHECKSUM | 02 | _b | _o | _o | _t | _l | _o | _a | _d | _e | _r | _V |
++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
+| _e | _r | _s | _i | _o | _n | \0 | _1 | _. | _3 | _. | _7 | _. | _1 | _5 | \0 |
++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
+
+Data is padded with 0xFF
+
+*/
+
+#define PSP_ENV_SIZE 4096
+
+static char psp_env_data[PSP_ENV_SIZE] = { 0, };
+
+static char * __init lookup_psp_var_map(u8 num)
+{
+ int i;
+
+ for (i = 0; i < sizeof(psp_var_map); i++)
+ if (psp_var_map[i].num == num)
+ return psp_var_map[i].value;
+
+ return NULL;
+}
static void __init add_adam2_var(char *name, char *value)
{
@@ -180,41 +171,29 @@ static void __init add_adam2_var(char *name, char *value)
}
}
-static int __init parse_psp_env(void *start)
+static int __init parse_psp_env(void *psp_env_base)
{
- int i, j;
- u16 chip;
- struct psp_chip_map *map;
- char *src, *dest, *name, *value;
- struct psp_env_var *vars = start;
-
- chip = ar7_chip_id();
- for (map = psp_chip_map; map->chip; map++)
- if (map->chip == chip)
- break;
+ int i, n;
+ char *name, *value;
+ struct psp_env_chunk *chunks = (struct psp_env_chunk *)psp_env_data;
- if (!map->chip)
- return -EINVAL;
+ memcpy_fromio(chunks, psp_env_base, PSP_ENV_SIZE);
i = 1;
- j = 0;
- dest = psp_env_data;
- while (vars[i].num < 0xff) {
- src = vars[i].data;
- if (vars[i].num) {
- strcpy(dest, map->names[vars[i].num]);
- name = dest;
+ n = PSP_ENV_SIZE / sizeof(struct psp_env_chunk);
+ while (i < n) {
+ if ((chunks[i].num == 0xff) || ((i + chunks[i].len) > n))
+ break;
+ value = chunks[i].data;
+ if (chunks[i].num) {
+ name = lookup_psp_var_map(chunks[i].num);
} else {
- strcpy(dest, src);
- name = dest;
- src += strlen(src) + 1;
- }
- dest += strlen(dest) + 1;
- strcpy(dest, src);
- value = dest;
- dest += strlen(dest) + 1;
- add_adam2_var(name, value);
- i += vars[i].len;
+ name = value;
+ value += strlen(name) + 1;
+ }
+ if (name)
+ add_adam2_var(name, value);
+ i += chunks[i].len;
}
return 0;
}
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/setup.c b/target/linux/ar7-2.6/files/arch/mips/ar7/setup.c
index 6c9c1bf7b..4abc39f1d 100644
--- a/target/linux/ar7-2.6/files/arch/mips/ar7/setup.c
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/setup.c
@@ -116,6 +116,9 @@ void __init plat_mem_setup(void)
ioport_resource.end = ~0;
iomem_resource.start = 0;
iomem_resource.end = ~0;
+
+ printk("%s, ID: 0x%04x, Revision: 0x%02x\n", get_system_type(),
+ ar7_chip_id(), ar7_chip_rev());
}
console_initcall(ar7_init_console);
diff --git a/target/linux/ar7-2.6/files/drivers/net/cpmac.c b/target/linux/ar7-2.6/files/drivers/net/cpmac.c
index 1be7cb8dd..7d4667708 100644
--- a/target/linux/ar7-2.6/files/drivers/net/cpmac.c
+++ b/target/linux/ar7-2.6/files/drivers/net/cpmac.c
@@ -1173,9 +1173,9 @@ int __devinit cpmac_init(void)
#warning FIXME: unhardcode gpio&reset bits
ar7_gpio_disable(26);
ar7_gpio_disable(27);
- ar7_device_reset(17);
- ar7_device_reset(21);
- ar7_device_reset(26);
+ ar7_device_reset(AR7_RESET_BIT_CPMAC_LO);
+ ar7_device_reset(AR7_RESET_BIT_CPMAC_HI);
+ ar7_device_reset(AR7_RESET_BIT_EPHY);
cpmac_mii.reset(&cpmac_mii);
diff --git a/target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h b/target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h
index 3e6a50c32..e8e32a0b8 100644
--- a/target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h
+++ b/target/linux/ar7-2.6/files/include/asm-mips/ar7/ar7.h
@@ -53,7 +53,10 @@
#define AR7_RESET_SOFTWARE 0x4
#define AR7_RESET_STATUS 0x8
-#define AR7_RESET_BIT_MDIO 22
+#define AR7_RESET_BIT_CPMAC_LO 17
+#define AR7_RESET_BIT_CPMAC_HI 21
+#define AR7_RESET_BIT_MDIO 22
+#define AR7_RESET_BIT_EPHY 26
/* GPIO control registers */
#define AR7_GPIO_INPUT 0x0
@@ -83,8 +86,6 @@ struct plat_dsl_data {
int reset_bit_sar;
};
-extern char *prom_getenv(char *envname);
-
extern int ar7_cpu_clock, ar7_bus_clock, ar7_dsp_clock;
static inline u16 ar7_chip_id(void)
diff --git a/target/linux/ar7-2.6/files/include/asm-mips/ar7/prom.h b/target/linux/ar7-2.6/files/include/asm-mips/ar7/prom.h
index f500093e2..10d623510 100644
--- a/target/linux/ar7-2.6/files/include/asm-mips/ar7/prom.h
+++ b/target/linux/ar7-2.6/files/include/asm-mips/ar7/prom.h
@@ -21,8 +21,7 @@
#ifndef __PROM_H__
#define __PROM_H__
-extern void prom_init(void);
-extern char *prom_getenv(char *name);
+extern char *prom_getenv(char *name);
extern void prom_printf(char *fmt, ...);
#endif // __PROM_H__