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ed57a9f6a8
This is an automatically generated commit which aids following Kernel patch history, as git will see the move and copy as a rename thus defeating the purpose. See: https://lists.openwrt.org/pipermail/openwrt-devel/2023-October/041673.html for the original discussion. Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
192 lines
5.8 KiB
Diff
192 lines
5.8 KiB
Diff
From fd99ac5055d4705e91c73d1adba18bc71c8511a8 Mon Sep 17 00:00:00 2001
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From: Shiji Yang <yangshiji66@outlook.com>
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Date: Tue, 20 Jun 2023 19:44:32 +0800
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Subject: [PATCH] mips: ralink: introduce commonly used remap node function
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The ralink_of_remap() function is repeated several times on SoC specific
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source files. They have the same structure, but just differ in compatible
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strings. In order to make commonly use of these codes, this patch
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introduces a newly designed mtmips_of_remap_node() function to match and
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remap all supported system controller and memory controller nodes.
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Build and run tested on MT7620 and MT7628.
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Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
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Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
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Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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---
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arch/mips/ralink/common.h | 2 --
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arch/mips/ralink/mt7620.c | 9 ---------
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arch/mips/ralink/mt7621.c | 9 ---------
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arch/mips/ralink/of.c | 42 +++++++++++++++++++++++++++++++++++-------
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arch/mips/ralink/rt288x.c | 9 ---------
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arch/mips/ralink/rt305x.c | 9 ---------
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arch/mips/ralink/rt3883.c | 9 ---------
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7 files changed, 35 insertions(+), 54 deletions(-)
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--- a/arch/mips/ralink/common.h
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+++ b/arch/mips/ralink/common.h
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@@ -25,6 +25,4 @@ extern void ralink_of_remap(void);
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extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
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-__iomem void *plat_of_remap_node(const char *node);
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-
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#endif /* _RALINK_COMMON_H__ */
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--- a/arch/mips/ralink/mt7620.c
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+++ b/arch/mips/ralink/mt7620.c
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@@ -43,15 +43,6 @@
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/* does the board have sdram or ddram */
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static int dram_type;
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-void __init ralink_of_remap(void)
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-{
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- rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc");
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- rt_memc_membase = plat_of_remap_node("ralink,mt7620a-memc");
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-
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- if (!rt_sysc_membase || !rt_memc_membase)
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- panic("Failed to remap core resources");
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-}
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-
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static __init void
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mt7620_dram_init(struct ralink_soc_info *soc_info)
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{
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--- a/arch/mips/ralink/mt7621.c
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+++ b/arch/mips/ralink/mt7621.c
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@@ -89,15 +89,6 @@ static void __init mt7621_memory_detect(
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memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
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}
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-void __init ralink_of_remap(void)
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-{
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- rt_sysc_membase = plat_of_remap_node("mediatek,mt7621-sysc");
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- rt_memc_membase = plat_of_remap_node("mediatek,mt7621-memc");
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-
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- if (!rt_sysc_membase || !rt_memc_membase)
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- panic("Failed to remap core resources");
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-}
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-
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static unsigned int __init mt7621_get_soc_name0(void)
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{
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return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_NAME0);
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--- a/arch/mips/ralink/of.c
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+++ b/arch/mips/ralink/of.c
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@@ -29,28 +29,56 @@ __iomem void *rt_sysc_membase;
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__iomem void *rt_memc_membase;
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EXPORT_SYMBOL_GPL(rt_sysc_membase);
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-__iomem void *plat_of_remap_node(const char *node)
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+static const struct of_device_id mtmips_memc_match[] = {
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+ { .compatible = "mediatek,mt7621-memc" },
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+ { .compatible = "ralink,mt7620a-memc" },
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+ { .compatible = "ralink,rt2880-memc" },
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+ { .compatible = "ralink,rt3050-memc" },
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+ { .compatible = "ralink,rt3883-memc" },
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+ {}
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+};
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+
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+static const struct of_device_id mtmips_sysc_match[] = {
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+ { .compatible = "mediatek,mt7621-sysc" },
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+ { .compatible = "ralink,mt7620a-sysc" },
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+ { .compatible = "ralink,rt2880-sysc" },
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+ { .compatible = "ralink,rt3050-sysc" },
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+ { .compatible = "ralink,rt3883-sysc" },
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+ {}
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+};
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+
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+static __iomem void *
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+mtmips_of_remap_node(const struct of_device_id *match, const char *type)
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{
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struct resource res;
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struct device_node *np;
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- np = of_find_compatible_node(NULL, NULL, node);
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+ np = of_find_matching_node(NULL, match);
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if (!np)
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- panic("Failed to find %s node", node);
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+ panic("Failed to find %s controller node", type);
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if (of_address_to_resource(np, 0, &res))
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- panic("Failed to get resource for %s", node);
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-
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- of_node_put(np);
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+ panic("Failed to get resource for %s node", np->name);
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if (!request_mem_region(res.start,
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resource_size(&res),
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res.name))
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- panic("Failed to request resources for %s", node);
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+ panic("Failed to request resources for %s node", np->name);
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+
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+ of_node_put(np);
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return ioremap(res.start, resource_size(&res));
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}
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+void __init ralink_of_remap(void)
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+{
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+ rt_sysc_membase = mtmips_of_remap_node(mtmips_sysc_match, "system");
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+ rt_memc_membase = mtmips_of_remap_node(mtmips_memc_match, "memory");
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+
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+ if (!rt_sysc_membase || !rt_memc_membase)
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+ panic("Failed to remap core resources");
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+}
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+
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void __init plat_mem_setup(void)
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{
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void *dtb;
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--- a/arch/mips/ralink/rt288x.c
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+++ b/arch/mips/ralink/rt288x.c
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@@ -17,15 +17,6 @@
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#include "common.h"
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-void __init ralink_of_remap(void)
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-{
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- rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc");
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- rt_memc_membase = plat_of_remap_node("ralink,rt2880-memc");
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-
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- if (!rt_sysc_membase || !rt_memc_membase)
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- panic("Failed to remap core resources");
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-}
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-
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void __init prom_soc_init(struct ralink_soc_info *soc_info)
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{
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void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT2880_SYSC_BASE);
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--- a/arch/mips/ralink/rt305x.c
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+++ b/arch/mips/ralink/rt305x.c
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@@ -53,15 +53,6 @@ static unsigned long rt5350_get_mem_size
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return ret;
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}
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-void __init ralink_of_remap(void)
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-{
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- rt_sysc_membase = plat_of_remap_node("ralink,rt3050-sysc");
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- rt_memc_membase = plat_of_remap_node("ralink,rt3050-memc");
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-
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- if (!rt_sysc_membase || !rt_memc_membase)
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- panic("Failed to remap core resources");
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-}
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-
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void __init prom_soc_init(struct ralink_soc_info *soc_info)
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{
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void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE);
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--- a/arch/mips/ralink/rt3883.c
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+++ b/arch/mips/ralink/rt3883.c
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@@ -17,15 +17,6 @@
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#include "common.h"
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-void __init ralink_of_remap(void)
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-{
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- rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc");
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- rt_memc_membase = plat_of_remap_node("ralink,rt3883-memc");
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-
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- if (!rt_sysc_membase || !rt_memc_membase)
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- panic("Failed to remap core resources");
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-}
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-
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void __init prom_soc_init(struct ralink_soc_info *soc_info)
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{
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void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT3883_SYSC_BASE);
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