ar71xx: preliminary support for the TL-WR1043ND
[openwrt/openwrt.git] / target / linux / ar71xx / files / arch / mips / ar71xx / prom.c
index 4786badf121b7d5358c497ea5417052e62b33a4f..b0a51cfb5703de20fe86982bf945255d9f6dc55e 100644 (file)
@@ -12,7 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
-#include <linux/serial_reg.h>
+#include <linux/string.h>
 
 #include <asm/bootinfo.h>
 #include <asm/addrspace.h>
 #include "devices.h"
 
 struct board_rec {
-       char            *name;
-       unsigned long   mach_type;
+       char                    *name;
+       enum ar71xx_mach_type   mach_type;
 };
 
-static int ar71xx_prom_argc __initdata;
-static char **ar71xx_prom_argv __initdata;
-static char **ar71xx_prom_envp __initdata;
-
 static struct board_rec boards[] __initdata = {
        {
                .name           = "411",
                .mach_type      = AR71XX_MACH_RB_411,
+       }, {
+               .name           = "411U",
+               .mach_type      = AR71XX_MACH_RB_411U,
        }, {
                .name           = "433",
                .mach_type      = AR71XX_MACH_RB_433,
+       }, {
+               .name           = "433U",
+               .mach_type      = AR71XX_MACH_RB_433U,
        }, {
                .name           = "450",
                .mach_type      = AR71XX_MACH_RB_450,
+       }, {
+               .name           = "450G",
+               .mach_type      = AR71XX_MACH_RB_450G,
        }, {
                .name           = "493",
                .mach_type      = AR71XX_MACH_RB_493,
        }, {
-               .name           = "AW-NR580",
-               .mach_type      = AR71XX_MACH_AW_NR580,
+               .name           = "AP81",
+               .mach_type      = AR71XX_MACH_AP81,
        }, {
                .name           = "AP83",
                .mach_type      = AR71XX_MACH_AP83,
+       }, {
+               .name           = "AW-NR580",
+               .mach_type      = AR71XX_MACH_AW_NR580,
+       }, {
+               .name           = "DIR-825-B1",
+               .mach_type      = AR71XX_MACH_DIR_825_B1,
        }, {
                .name           = "TEW-632BRP",
                .mach_type      = AR71XX_MACH_TEW_632BRP,
+       }, {
+               .name           = "TL-WR741ND",
+               .mach_type      = AR71XX_MACH_TL_WR741ND,
        }, {
                .name           = "TL-WR941ND",
                .mach_type      = AR71XX_MACH_TL_WR941ND,
+       }, {
+               .name           = "TL-WR1043ND",
+               .mach_type      = AR71XX_MACH_TL_WR1043ND,
        }, {
                .name           = "UBNT-RS",
                .mach_type      = AR71XX_MACH_UBNT_RS,
+       }, {
+               .name           = "UBNT-RSPRO",
+               .mach_type      = AR71XX_MACH_UBNT_RSPRO,
        }, {
                .name           = "Ubiquiti AR71xx-based board",
                .mach_type      = AR71XX_MACH_UBNT_RS,
@@ -68,12 +88,36 @@ static struct board_rec boards[] __initdata = {
        }, {
                .name           = "UBNT-LSX",
                .mach_type      = AR71XX_MACH_UBNT_LSX,
+       }, {
+               .name           = "UBNT-BM",
+               .mach_type      = AR71XX_MACH_UBNT_BULLET_M,
+       }, {
+               .name           = "UBNT-RM",
+               .mach_type      = AR71XX_MACH_UBNT_ROCKET_M,
+       }, {
+               .name           = "UBNT-NM",
+               .mach_type      = AR71XX_MACH_UBNT_NANO_M,
+       }, {
+               .name           = "WNDR3700",
+               .mach_type      = AR71XX_MACH_WNDR3700,
        }, {
                .name           = "WNR2000",
                .mach_type      = AR71XX_MACH_WNR2000,
+       }, {
+               .name           = "WRT160NL",
+               .mach_type      = AR71XX_MACH_WRT160NL,
+       }, {
+               .name           = "WP543",
+               .mach_type      = AR71XX_MACH_WP543,
+       }, {
+               .name           = "WRT400N",
+               .mach_type      = AR71XX_MACH_WRT400N,
        }, {
                .name           = "PB42",
                .mach_type      = AR71XX_MACH_PB42,
+       }, {
+               .name           = "PB44",
+               .mach_type      = AR71XX_MACH_PB44,
        }, {
                .name           = "MZK-W300NH",
                .mach_type      = AR71XX_MACH_MZK_W300NH,
@@ -83,6 +127,34 @@ static struct board_rec boards[] __initdata = {
        }
 };
 
+static int __init ar71xx_board_setup(char *name)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(boards); i++)
+               if (strcmp(name, boards[i].name) == 0) {
+                       ar71xx_mach = boards[i].mach_type;
+                       break;
+               }
+
+       return 1;
+}
+__setup("board=", ar71xx_board_setup);
+
+static int __init ar71xx_ethaddr_setup(char *str)
+{
+       ar71xx_parse_mac_addr(str);
+       return 1;
+}
+__setup("ethaddr=", ar71xx_ethaddr_setup);
+
+static int __init ar71xx_kmac_setup(char *str)
+{
+       ar71xx_parse_mac_addr(str);
+       return 1;
+}
+__setup("kmac=", ar71xx_kmac_setup);
+
 static inline int is_valid_ram_addr(void *addr)
 {
        if (((u32) addr > KSEG0) &&
@@ -96,62 +168,43 @@ static inline int is_valid_ram_addr(void *addr)
        return 0;
 }
 
-static __init char *ar71xx_prom_getargv(const char *name)
+static void __init ar71xx_prom_append_cmdline(const char *name,
+                                             const char *value)
 {
-       int len = strlen(name);
-       int i;
-
-       if (!is_valid_ram_addr(ar71xx_prom_argv))
-               return NULL;
-
-       for (i = 0; i < ar71xx_prom_argc; i++) {
-               char *argv = ar71xx_prom_argv[i];
-
-               if (!is_valid_ram_addr(argv))
-                       continue;
+       char buf[CL_SIZE];
 
-               if (strncmp(name, argv, len) == 0 && (argv)[len] == '=')
-                       return argv + len + 1;
-       }
-
-       return NULL;
+       snprintf(buf, sizeof(buf), " %s=%s", name, value);
+       strlcat(arcs_cmdline, buf, sizeof(arcs_cmdline));
 }
 
-static __init char *ar71xx_prom_getenv(const char *envname)
+static void __init ar71xx_prom_find_env(char **envp, const char *name)
 {
-       int len = strlen(envname);
-       char **env;
+       int len = strlen(name);
+       char **p;
 
-       if (!is_valid_ram_addr(ar71xx_prom_envp))
-               return NULL;
+       if (!is_valid_ram_addr(envp))
+               return;
 
-       for (env = ar71xx_prom_envp; is_valid_ram_addr(*env); env++) {
-               if (strncmp(envname, *env, len) == 0 && (*env)[len] == '=')
-                       return *env + len + 1;
+       for (p = envp; is_valid_ram_addr(*p); p++) {
+               if (strncmp(name, *p, len) == 0 && (*p)[len] == '=') {
+                       ar71xx_prom_append_cmdline(name, *p + len + 1);
+                       break;
+               }
 
                /* RedBoot env comes in pointer pairs - key, value */
-               if (strncmp(envname, *env, len) == 0 && (*env)[len] == 0)
-                       if (is_valid_ram_addr(*(++env)))
-                               return *env;
+               if (strncmp(name, *p, len) == 0 && (*p)[len] == 0)
+                       if (is_valid_ram_addr(*(++p))) {
+                               ar71xx_prom_append_cmdline(name, *p);
+                               break;
+                       }
        }
-
-       return NULL;
 }
 
-static __init unsigned long find_board_byname(char *name)
-{
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(boards); i++)
-               if (strcmp(name, boards[i].name) == 0)
-                       return boards[i].mach_type;
-
-       return AR71XX_MACH_GENERIC;
-}
-
-static int ar71xx_prom_init_myloader(void)
+static int __init ar71xx_prom_init_myloader(void)
 {
        struct myloader_info *mylo;
+       char mac_buf[32];
+       char *mac;
 
        mylo = myloader_get_info();
        if (!mylo)
@@ -159,67 +212,92 @@ static int ar71xx_prom_init_myloader(void)
 
        switch (mylo->did) {
        case DEVID_COMPEX_WP543:
-               ar71xx_mach_type = AR71XX_MACH_WP543;
+               ar71xx_prom_append_cmdline("board", "WP543");
                break;
        default:
                printk(KERN_WARNING "prom: unknown device id: %x\n",
                                mylo->did);
+               return 0;
        }
-       ar71xx_set_mac_base(mylo->macs[0]);
+
+       mac = mylo->macs[0];
+       snprintf(mac_buf, sizeof(mac_buf), "%02x:%02x:%02x:%02x:%02x:%02x",
+                mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+
+       ar71xx_prom_append_cmdline("ethaddr", mac_buf);
 
        return 1;
 }
 
-static void ar71xx_prom_init_generic(void)
+#ifdef CONFIG_IMAGE_CMDLINE_HACK
+extern char __image_cmdline[];
+
+static int __init ar71xx_use__image_cmdline(void)
 {
-       char *p;
-
-       ar71xx_prom_argc = fw_arg0;
-       ar71xx_prom_argv = (char **)fw_arg1;
-       ar71xx_prom_envp = (char **)fw_arg2;
-
-       p = ar71xx_prom_getargv("board");
-       if (!p)
-               p = ar71xx_prom_getenv("board");
-       if (p)
-               ar71xx_mach_type = find_board_byname(p);
-
-       p = ar71xx_prom_getenv("ethaddr");
-       if (!p)
-               p = ar71xx_prom_getargv("kmac");
-       if (p)
-               ar71xx_parse_mac_addr(p);
+       char *p = __image_cmdline;
+       int replace = 0;
+
+       if (*p == '-') {
+               replace = 1;
+               p++;
+       }
+
+       if (*p == '\0')
+               return 0;
+
+       if (replace) {
+               strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline));
+       } else {
+               strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+               strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
+       }
+
+       return 1;
+}
+#else
+static int inline ar71xx_use__image_cmdline(void) { return 0; }
+#endif
+
+static __init void ar71xx_prom_init_cmdline(int argc, char **argv)
+{
+       int i;
+
+       if (ar71xx_use__image_cmdline())
+               return;
+
+       if (!is_valid_ram_addr(argv))
+               return;
+
+       for (i = 0; i < argc; i++)
+               if (is_valid_ram_addr(argv[i])) {
+                       strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+                       strlcat(arcs_cmdline, argv[i], sizeof(arcs_cmdline));
+               }
 }
 
 void __init prom_init(void)
 {
+       char **envp;
+
        printk(KERN_DEBUG "prom: fw_arg0=%08x, fw_arg1=%08x, "
                        "fw_arg2=%08x, fw_arg3=%08x\n",
                        (unsigned int)fw_arg0, (unsigned int)fw_arg1,
                        (unsigned int)fw_arg2, (unsigned int)fw_arg3);
 
-       ar71xx_mach_type = AR71XX_MACH_GENERIC;
+
+       ar71xx_mach = AR71XX_MACH_GENERIC;
 
        if (ar71xx_prom_init_myloader())
                return;
 
-       ar71xx_prom_init_generic();
+       ar71xx_prom_init_cmdline(fw_arg0, (char **)fw_arg1);
+
+       envp = (char **)fw_arg2;
+       ar71xx_prom_find_env(envp, "board");
+       ar71xx_prom_find_env(envp, "ethaddr");
 }
 
 void __init prom_free_prom_memory(void)
 {
        /* We do not have to prom memory to free */
 }
-
-#define UART_READ(r) \
-       __raw_readl((void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE) + 4 * (r)))
-
-#define UART_WRITE(r, v) \
-       __raw_writel((v), (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE) + 4*(r)))
-
-void prom_putchar(unsigned char ch)
-{
-       while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
-       UART_WRITE(UART_TX, ch);
-       while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
-}