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authorJohn Crispin <blogic@openwrt.org>2013-04-03 09:58:44 +0000
committerJohn Crispin <blogic@openwrt.org>2013-04-03 09:58:44 +0000
commit84238ad24d5bdf6b95cc3d972908d699502764ab (patch)
tree6438279d1866fffb0c66b568f2ee3e64f2aa89b0 /target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/setup.c
parentfd1af44d07b5c0eccd58bf24805810d2f0077936 (diff)
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[ramips] move files to files-3.7
Signed-off-by: John Crispin <blogic@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36161 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/setup.c')
-rw-r--r--target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/setup.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/setup.c b/target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/setup.c
new file mode 100644
index 0000000000..6e037a7291
--- /dev/null
+++ b/target/linux/ramips/files-3.7/arch/mips/ralink/rt3883/setup.c
@@ -0,0 +1,88 @@
+/*
+ * Ralink RT3662/RT3883 SoC specific setup
+ *
+ * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Parts of this file are based on Ralink's 2.6.21 BSP
+ *
+ * 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/err.h>
+#include <linux/clk.h>
+
+#include <asm/mips_machine.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+
+#include <asm/mach-ralink/common.h>
+#include <asm/mach-ralink/rt3883.h>
+#include <asm/mach-ralink/rt3883_regs.h>
+#include "common.h"
+
+static void rt3883_restart(char *command)
+{
+ rt3883_sysc_wr(RT3883_RSTCTRL_SYS, RT3883_SYSC_REG_RSTCTRL);
+ while (1)
+ if (cpu_wait)
+ cpu_wait();
+}
+
+static void rt3883_halt(void)
+{
+ while (1)
+ if (cpu_wait)
+ cpu_wait();
+}
+
+unsigned int __cpuinit get_c0_compare_irq(void)
+{
+ return CP0_LEGACY_COMPARE_IRQ;
+}
+
+void __init ramips_soc_setup(void)
+{
+ struct clk *clk;
+
+ rt3883_sysc_base = ioremap_nocache(RT3883_SYSC_BASE, PAGE_SIZE);
+ rt3883_memc_base = ioremap_nocache(RT3883_MEMC_BASE, PAGE_SIZE);
+
+ rt3883_clocks_init();
+
+ clk = clk_get(NULL, "cpu");
+ if (IS_ERR(clk))
+ panic("unable to get CPU clock, err=%ld", PTR_ERR(clk));
+
+ printk(KERN_INFO "%s running at %lu.%02lu MHz\n", ramips_sys_type,
+ clk_get_rate(clk) / 1000000,
+ (clk_get_rate(clk) % 1000000) * 100 / 1000000);
+
+ _machine_restart = rt3883_restart;
+ _machine_halt = rt3883_halt;
+ pm_power_off = rt3883_halt;
+
+ clk = clk_get(NULL, "uart");
+ if (IS_ERR(clk))
+ panic("unable to get UART clock, err=%ld", PTR_ERR(clk));
+
+ ramips_early_serial_setup(0, RT3883_UART0_BASE, clk_get_rate(clk),
+ RT3883_INTC_IRQ_UART0);
+ ramips_early_serial_setup(1, RT3883_UART1_BASE, clk_get_rate(clk),
+ RT3883_INTC_IRQ_UART1);
+}
+
+void __init plat_time_init(void)
+{
+ struct clk *clk;
+
+ clk = clk_get(NULL, "cpu");
+ if (IS_ERR(clk))
+ panic("unable to get CPU clock, err=%ld", PTR_ERR(clk));
+
+ mips_hpt_frequency = clk_get_rate(clk) / 2;
+}