X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/ab0a79714f445ae17d1ad601ff0628e75f31a430..344d167a94913324cabd9aa3f3ff9407e00b9901:/target/linux/ramips/files/arch/mips/ralink/common/setup.c

diff --git a/target/linux/ramips/files/arch/mips/ralink/common/setup.c b/target/linux/ramips/files/arch/mips/ralink/common/setup.c
index 6440ccb01..3030fcd15 100644
--- a/target/linux/ramips/files/arch/mips/ralink/common/setup.c
+++ b/target/linux/ramips/files/arch/mips/ralink/common/setup.c
@@ -12,13 +12,80 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/serial_8250.h>
 
+#include <asm/bootinfo.h>
 #include <asm/addrspace.h>
+#include <asm/mips_machine.h>
+
 #include <asm/mach-ralink/common.h>
+#include <asm/mach-ralink/machine.h>
+#include <ralink_soc.h>
+
+unsigned char ramips_sys_type[RAMIPS_SYS_TYPE_LEN];
+enum ramips_mach_type ramips_mach = RAMIPS_MACH_GENERIC;
+
+const char *get_system_type(void)
+{
+	return ramips_sys_type;
+}
+
+static void __init detect_mem_size(void)
+{
+	unsigned long size;
+
+	for (size = RALINK_SOC_MEM_SIZE_MIN; size < RALINK_SOC_MEM_SIZE_MAX;
+	     size <<= 1 ) {
+		if (!memcmp(detect_mem_size,
+			    detect_mem_size + size, 1024))
+			break;
+	}
+
+	add_memory_region(RALINK_SOC_SDRAM_BASE, size, BOOT_MEM_RAM);
+}
+
+void __init ramips_early_serial_setup(int line, unsigned base, unsigned freq,
+				      unsigned irq)
+{
+	struct uart_port p;
+	int err;
+
+	memset(&p, 0, sizeof(p));
+	p.flags		= UPF_SKIP_TEST;
+	p.iotype	= UPIO_AU;
+	p.uartclk	= freq;
+	p.regshift	= 2;
+	p.type		= PORT_16550A;
+
+	p.mapbase	= base;
+	p.membase	= ioremap_nocache(p.mapbase, PAGE_SIZE);
+	p.line		= line;
+	p.irq		= irq;
+
+	err = early_serial_setup(&p);
+	if (err)
+		printk(KERN_ERR "early serial%d registration failed %d\n",
+		       line, err);
+}
 
 void __init plat_mem_setup(void)
 {
 	set_io_port_base(KSEG1);
 
+	detect_mem_size();
 	ramips_soc_setup();
 }
+
+static int __init ramips_machine_setup(void)
+{
+	mips_machine_setup(ramips_mach);
+	return 0;
+}
+
+arch_initcall(ramips_machine_setup);
+
+static void __init ramips_generic_init(void)
+{
+}
+
+MIPS_MACHINE(RAMIPS_MACH_GENERIC, "Generic Ralink board", ramips_generic_init);