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Diffstat (limited to 'arch/mips/jz4740/setup.c')
-rw-r--r--arch/mips/jz4740/setup.c103
1 files changed, 0 insertions, 103 deletions
diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c
deleted file mode 100644
index dc8ee21e0948..000000000000
--- a/arch/mips/jz4740/setup.c
+++ /dev/null
@@ -1,103 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
- * Copyright (C) 2011, Maarten ter Huurne <maarten@treewalker.org>
- * JZ4740 setup code
- */
-
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/irqchip.h>
-#include <linux/kernel.h>
-#include <linux/libfdt.h>
-#include <linux/of_fdt.h>
-
-#include <asm/bootinfo.h>
-#include <asm/prom.h>
-
-#include "reset.h"
-
-#define JZ4740_EMC_BASE_ADDR 0x13010000
-
-#define JZ4740_EMC_SDRAM_CTRL 0x80
-
-static void __init jz4740_detect_mem(void)
-{
- void __iomem *jz_emc_base;
- u32 ctrl, bus, bank, rows, cols;
- phys_addr_t size;
-
- jz_emc_base = ioremap(JZ4740_EMC_BASE_ADDR, 0x100);
- ctrl = readl(jz_emc_base + JZ4740_EMC_SDRAM_CTRL);
- bus = 2 - ((ctrl >> 31) & 1);
- bank = 1 + ((ctrl >> 19) & 1);
- cols = 8 + ((ctrl >> 26) & 7);
- rows = 11 + ((ctrl >> 20) & 3);
- printk(KERN_DEBUG
- "SDRAM preconfigured: bus:%u bank:%u rows:%u cols:%u\n",
- bus, bank, rows, cols);
- iounmap(jz_emc_base);
-
- size = 1 << (bus + bank + cols + rows);
- add_memory_region(0, size, BOOT_MEM_RAM);
-}
-
-static unsigned long __init get_board_mach_type(const void *fdt)
-{
- if (!fdt_node_check_compatible(fdt, 0, "ingenic,x1000"))
- return MACH_INGENIC_X1000;
- if (!fdt_node_check_compatible(fdt, 0, "ingenic,jz4780"))
- return MACH_INGENIC_JZ4780;
- if (!fdt_node_check_compatible(fdt, 0, "ingenic,jz4770"))
- return MACH_INGENIC_JZ4770;
-
- return MACH_INGENIC_JZ4740;
-}
-
-void __init plat_mem_setup(void)
-{
- int offset;
- void *dtb;
-
- jz4740_reset_init();
-
- if (__dtb_start != __dtb_end)
- dtb = __dtb_start;
- else
- dtb = (void *)fw_passed_dtb;
-
- __dt_setup_arch(dtb);
-
- offset = fdt_path_offset(dtb, "/memory");
- if (offset < 0)
- jz4740_detect_mem();
-
- mips_machtype = get_board_mach_type(dtb);
-}
-
-void __init device_tree_init(void)
-{
- if (!initial_boot_params)
- return;
-
- unflatten_and_copy_device_tree();
-}
-
-const char *get_system_type(void)
-{
- switch (mips_machtype) {
- case MACH_INGENIC_X1000:
- return "X1000";
- case MACH_INGENIC_JZ4780:
- return "JZ4780";
- case MACH_INGENIC_JZ4770:
- return "JZ4770";
- default:
- return "JZ4740";
- }
-}
-
-void __init arch_init_irq(void)
-{
- irqchip_init();
-}