# under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
-obj-y := setup.o intc.o gpio.o
+obj-y := prom.o setup.o intc.o gpio.o
obj-$(CONFIG_RALINK_DEV_GPIO_LEDS) += dev-gpio-leds.o
--- /dev/null
+/*
+ * Ralink SoC specific prom routines
+ *
+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/string.h>
+
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+
+#include <asm/mach-ralink/common.h>
+#include <asm/mach-ralink/machine.h>
+#include <ralink_soc.h>
+
+struct board_rec {
+ char *name;
+ enum ramips_mach_type mach_type;
+};
+
+static int ramips_prom_argc __initdata;
+static char **ramips_prom_argv __initdata;
+static char **ramips_prom_envp __initdata;
+
+static struct board_rec boards[] __initdata = {
+ {
+ .name = "RT-N15",
+ .mach_type = RAMIPS_MACH_RT_N15,
+ }, {
+ .name = "WHR-G300N",
+ .mach_type = RAMIPS_MACH_WHR_G300N,
+ }
+};
+
+static inline void *to_ram_addr(void *addr)
+{
+ u32 base;
+
+ base = KSEG0ADDR(RALINK_SOC_SDRAM_BASE);
+ if (((u32) addr > base) &&
+ ((u32) addr < (base + RALINK_SOC_MEM_SIZE_MAX)))
+ return addr;
+
+ base = KSEG1ADDR(RALINK_SOC_SDRAM_BASE);
+ if (((u32) addr > base) &&
+ ((u32) addr < (base + RALINK_SOC_MEM_SIZE_MAX)))
+ return addr;
+
+ /* some U-Boot variants uses physical addresses */
+ base = RALINK_SOC_SDRAM_BASE;
+ if (((u32) addr > base) &&
+ ((u32) addr < (base + RALINK_SOC_MEM_SIZE_MAX)))
+ return (void *)KSEG0ADDR(addr);
+
+ return NULL;
+}
+
+static __init char *ramips_prom_getargv(const char *name)
+{
+ int len = strlen(name);
+ int i;
+
+ if (!ramips_prom_argv) {
+ printk(KERN_DEBUG "argv=%p is invalid, skipping\n",
+ ramips_prom_argv);
+ return NULL;
+ }
+
+ for (i = 0; i < ramips_prom_argc; i++) {
+ char *argv = to_ram_addr(ramips_prom_argv[i]);
+
+ if (!argv) {
+ printk(KERN_DEBUG
+ "argv[%d]=%p is invalid, skipping\n",
+ i, ramips_prom_argv[i]);
+ continue;
+ }
+
+ printk(KERN_DEBUG "argv[%d]: %s\n", i, argv);
+ if (strncmp(name, argv, len) == 0 && (argv)[len] == '=')
+ return argv + len + 1;
+ }
+
+ return NULL;
+}
+
+static __init char *ramips_prom_getenv(const char *envname)
+{
+#define PROM_MAX_ENVS 256
+ int len = strlen(envname);
+ char **env;
+ int i;
+
+ env = ramips_prom_envp;
+ if (!env) {
+ printk(KERN_DEBUG "envp=%p is not in RAM, skipping\n",
+ ramips_prom_envp);
+ return NULL;
+ }
+
+ for (i = 0; i < PROM_MAX_ENVS; i++) {
+ char *p = to_ram_addr(env[i]);
+
+ if (!p)
+ break;
+
+ printk(KERN_DEBUG "env[%d]: %s\n", i, p);
+ if (strncmp(envname, p, len) == 0 && p[len] == '=')
+ return p + len + 1;
+ }
+
+ return NULL;
+#undef PROM_MAX_ENVS
+}
+
+static __init void find_board_byname(char *name)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(boards); i++)
+ if (strcmp(name, boards[i].name) == 0) {
+ ramips_mach = boards[i].mach_type;
+ break;
+ }
+}
+
+void __init prom_init(void)
+{
+ char *p;
+
+ 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);
+
+ ramips_prom_argc = fw_arg0;
+ ramips_prom_argv = to_ram_addr((void *)fw_arg1);
+ ramips_prom_envp = to_ram_addr((void *)fw_arg2);
+
+ p = ramips_prom_getargv("board");
+ if (!p)
+ p = ramips_prom_getenv("board");
+ if (p)
+ find_board_byname(p);
+}
+
+void __init prom_free_prom_memory(void)
+{
+ /* We do not have to prom memory to free */
+}
# under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
-obj-y := prom.o irq.o setup.o rt288x.o devices.o
+obj-y := irq.o setup.o rt288x.o devices.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+++ /dev/null
-/*
- * Ralink RT288x SoC specific prom routines
- *
- * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- * 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/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/serial_reg.h>
-
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
-
-#include <asm/mach-ralink/rt288x.h>
-#include <asm/mach-ralink/rt288x_regs.h>
-
-void __init prom_init(void)
-{
- 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);
-}
-
-void __init prom_free_prom_memory(void)
-{
- /* We do not have to prom memory to free */
-}
-
# under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
-obj-y := prom.o irq.o setup.o devices.o rt305x.o
+obj-y := irq.o setup.o devices.o rt305x.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+++ /dev/null
-/*
- * Ralink RT305x SoC specific prom routines
- *
- * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
- *
- * 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/kernel.h>
-#include <linux/init.h>
-
-#include <asm/bootinfo.h>
-
-#include <asm/mach-ralink/common.h>
-#include <asm/mach-ralink/machine.h>
-#include <asm/mach-ralink/rt305x.h>
-#include <asm/mach-ralink/rt305x_regs.h>
-
-struct board_rec {
- char *name;
- enum ramips_mach_type mach_type;
-};
-
-static int rt305x_prom_argc __initdata;
-static char **rt305x_prom_argv __initdata;
-static char **rt305x_prom_envp __initdata;
-
-static struct board_rec boards[] __initdata = {
- {
- .name = "WHR-G300N",
- .mach_type = RAMIPS_MACH_WHR_G300N,
- }
-};
-
-static inline void *to_ram_addr(void *addr)
-{
- u32 base;
-
- base = KSEG0ADDR(RT305X_SDRAM_BASE);
- if (((u32) addr > base) &&
- ((u32) addr < (base + RT305X_MEM_SIZE_MAX)))
- return addr;
-
- base = KSEG1ADDR(RT305X_SDRAM_BASE);
- if (((u32) addr > base) &&
- ((u32) addr < (base + RT305X_MEM_SIZE_MAX)))
- return addr;
-
- /* some U-Boot variants uses physical addresses */
- base = RT305X_SDRAM_BASE;
- if (((u32) addr > base) &&
- ((u32) addr < (base + RT305X_MEM_SIZE_MAX)))
- return (void *)KSEG0ADDR(addr);
-
- return NULL;
-}
-
-static __init char *rt305x_prom_getargv(const char *name)
-{
- int len = strlen(name);
- int i;
-
- if (!rt305x_prom_argv) {
- printk(KERN_DEBUG "argv=%p is invalid, skipping\n",
- rt305x_prom_argv);
- return NULL;
- }
-
- for (i = 0; i < rt305x_prom_argc; i++) {
- char *argv = to_ram_addr(rt305x_prom_argv[i]);
-
- if (!argv) {
- printk(KERN_DEBUG
- "argv[%d]=%p is invalid, skipping\n",
- i, rt305x_prom_argv[i]);
- continue;
- }
-
- printk(KERN_DEBUG "argv[i]: %s\n", argv);
- if (strncmp(name, argv, len) == 0 && (argv)[len] == '=')
- return argv + len + 1;
- }
-
- return NULL;
-}
-
-static __init char *rt305x_prom_getenv(const char *envname)
-{
- int len = strlen(envname);
- char **env;
- char *p;
-
- env = rt305x_prom_envp;
- if (!env) {
- printk(KERN_DEBUG "envp=%p is not in RAM, skipping\n",
- rt305x_prom_envp);
- return NULL;
- }
-
- for (p = to_ram_addr(*env); p; env++) {
- printk(KERN_DEBUG "env: %s\n", *env);
- if (strncmp(envname, p, len) == 0 && (p)[len] == '=')
- return p + len + 1;
- }
-
- return NULL;
-}
-
-static __init void find_board_byname(char *name)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(boards); i++)
- if (strcmp(name, boards[i].name) == 0) {
- ramips_mach = boards[i].mach_type;
- break;
- }
-}
-
-void __init prom_init(void)
-{
- char *p;
-
- 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);
-
- rt305x_prom_argc = fw_arg0;
- rt305x_prom_argv = to_ram_addr((void *)fw_arg1);
- rt305x_prom_envp = to_ram_addr((void *)fw_arg2);
-
- p = rt305x_prom_getargv("board");
- if (!p)
- p = rt305x_prom_getenv("board");
- if (p)
- find_board_byname(p);
-}
-
-void __init prom_free_prom_memory(void)
-{
- /* We do not have to prom memory to free */
-}
projects / openwrt.git / commitdiff