1 files changed, 0 insertions, 176 deletions
diff --git a/target/linux/ramips/patches-3.8/0207-owrt-MIPS-ralink-add-support-for-runtime-memory-dete.patch b/target/linux/ramips/patches-3.8/0207-owrt-MIPS-ralink-add-support-for-runtime-memory-dete.patch
deleted file mode 100644
index 51e233a12..000000000
--- a/target/linux/ramips/patches-3.8/0207-owrt-MIPS-ralink-add-support-for-runtime-memory-dete.patch
+++ /dev/null
@@ -1,176 +0,0 @@
-From bcd97dbdcb7bc0300397db481872252e8849307b Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 25 Mar 2013 10:50:53 +0100
-Subject: [PATCH 207/208] owrt: MIPS: ralink: add support for runtime memory
- detection
-
-This allows us to add a device_node called "memorydetect" to the DT with
-information about the memory windoe of the SoC. Based on this the memory is
-detected ar runtime.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/include/asm/prom.h |    3 ++
- arch/mips/kernel/prom.c      |    3 ++
- arch/mips/ralink/Makefile    |    2 +-
- arch/mips/ralink/memory.c    |  119 ++++++++++++++++++++++++++++++++++++++++++
- 4 files changed, 126 insertions(+), 1 deletion(-)
- create mode 100644 arch/mips/ralink/memory.c
-
---- a/arch/mips/include/asm/prom.h
-+++ b/arch/mips/include/asm/prom.h
-@@ -20,6 +20,9 @@
- extern int early_init_dt_scan_memory_arch(unsigned long node,
- 	const char *uname, int depth, void *data);
- 
-+extern int early_init_dt_detect_memory(unsigned long node,
-+	const char *uname, int depth, void *data);
-+
- extern void device_tree_init(void);
- 
- static inline unsigned long pci_address_to_pio(phys_addr_t address)
---- a/arch/mips/kernel/prom.c
-+++ b/arch/mips/kernel/prom.c
-@@ -88,6 +88,9 @@ void __init early_init_devtree(void *par
- 	of_scan_flat_dt(early_init_dt_scan_memory_arch, NULL);
- 
- 	/* try to load the mips machine name */
-+	of_scan_flat_dt(early_init_dt_detect_memory, NULL);
-+
-+	/* try to load the mips machine name */
- 	of_scan_flat_dt(early_init_dt_scan_model, NULL);
- }
- 
---- a/arch/mips/ralink/Makefile
-+++ b/arch/mips/ralink/Makefile
-@@ -6,7 +6,7 @@
- # Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
- # Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- 
--obj-y := prom.o of.o reset.o clk.o irq.o pinmux.o timer.o
-+obj-y := prom.o of.o reset.o clk.o irq.o pinmux.o timer.o memory.o
- 
- obj-$(CONFIG_SOC_RT288X) += rt288x.o
- obj-$(CONFIG_SOC_RT305X) += rt305x.o rt305x-usb.o
---- /dev/null
-+++ b/arch/mips/ralink/memory.c
-@@ -0,0 +1,119 @@
-+/*
-+ *  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.
-+ *
-+ *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
-+ *  Copyright (C) 2013 John Crispin <blogic@openwrt.org>
-+ */
-+
-+#include <linux/string.h>
-+#include <linux/of_fdt.h>
-+#include <linux/of_platform.h>
-+
-+#include <asm/bootinfo.h>
-+#include <asm/addrspace.h>
-+
-+#include "common.h"
-+
-+#define MB	(1024 * 1024)
-+
-+unsigned long ramips_mem_base;
-+unsigned long ramips_mem_size_min;
-+unsigned long ramips_mem_size_max;
-+
-+#ifdef CONFIG_SOC_RT305X
-+
-+#include <asm/mach-ralink/rt305x.h>
-+
-+static unsigned long rt5350_get_mem_size(void)
-+{
-+	void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE);
-+	unsigned long ret;
-+	u32 t;
-+
-+	t = __raw_readl(sysc + SYSC_REG_SYSTEM_CONFIG);
-+	t = (t >> RT5350_SYSCFG0_DRAM_SIZE_SHIFT) &
-+	RT5350_SYSCFG0_DRAM_SIZE_MASK;
-+
-+	switch (t) {
-+	case RT5350_SYSCFG0_DRAM_SIZE_2M:
-+		ret = 2 * 1024 * 1024;
-+		break;
-+	case RT5350_SYSCFG0_DRAM_SIZE_8M:
-+		ret = 8 * 1024 * 1024;
-+		break;
-+	case RT5350_SYSCFG0_DRAM_SIZE_16M:
-+		ret = 16 * 1024 * 1024;
-+		break;
-+	case RT5350_SYSCFG0_DRAM_SIZE_32M:
-+		ret = 32 * 1024 * 1024;
-+		break;
-+	case RT5350_SYSCFG0_DRAM_SIZE_64M:
-+		ret = 64 * 1024 * 1024;
-+		break;
-+	default:
-+		panic("rt5350: invalid DRAM size: %u", t);
-+		break;
-+	}
-+
-+	return ret;
-+}
-+
-+#endif
-+
-+static void __init detect_mem_size(void)
-+{
-+	unsigned long size;
-+
-+#ifdef CONFIG_SOC_RT305X
-+	if (soc_is_rt5350()) {
-+		size = rt5350_get_mem_size();
-+	} else
-+#endif
-+	{
-+		void *base;
-+
-+		base = (void *) KSEG1ADDR(detect_mem_size);
-+		for (size = ramips_mem_size_min; size < ramips_mem_size_max;
-+		     size <<= 1 ) {
-+			if (!memcmp(base, base + size, 1024))
-+				break;
-+		}
-+	}
-+
-+	pr_info("memory detected: %uMB\n", (unsigned int) size / MB);
-+
-+	add_memory_region(ramips_mem_base, size, BOOT_MEM_RAM);
-+}
-+
-+int __init early_init_dt_detect_memory(unsigned long node, const char *uname,
-+				     int depth, void *data)
-+{
-+	unsigned long l;
-+	__be32 *mem;
-+
-+	/* We are scanning "memorydetect" nodes only */
-+	if (depth != 1 || strcmp(uname, "memorydetect") != 0)
-+		return 0;
-+
-+	mem = of_get_flat_dt_prop(node, "ralink,memory", &l);
-+	if (mem == NULL)
-+		return 0;
-+
-+	if ((l / sizeof(__be32)) != 3)
-+		panic("invalid memorydetect node\n");
-+
-+	ramips_mem_base = dt_mem_next_cell(dt_root_addr_cells, &mem);
-+	ramips_mem_size_min = dt_mem_next_cell(dt_root_size_cells, &mem);
-+	ramips_mem_size_max = dt_mem_next_cell(dt_root_size_cells, &mem);
-+
-+	pr_info("memory window: 0x%llx, min: %uMB, max: %uMB\n",
-+		(unsigned long long) ramips_mem_base,
-+		(unsigned int) ramips_mem_size_min / MB,
-+		(unsigned int) ramips_mem_size_max / MB);
-+
-+	detect_mem_size();
-+
-+	return 0;
-+}