From: David Yang <mmyangfl@gmail.com>
To: mmyangfl@gmail.com
Cc: Wei Xu <xuwei5@hisilicon.com>,
Russell King <linux@armlinux.org.uk>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] ARM: hisi: Add S40 IO map
Date: Thu, 16 Mar 2023 13:19:33 +0800 [thread overview]
Message-ID: <20230316051936.1775033-2-mmyangfl@gmail.com> (raw)
In-Reply-To: <20230316051936.1775033-1-mmyangfl@gmail.com>
Hisilion S40 platform supports ARM Cortex-A9 processors.
Signed-off-by: David Yang <mmyangfl@gmail.com>
---
arch/arm/mach-hisi/hisilicon.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/arch/arm/mach-hisi/hisilicon.c b/arch/arm/mach-hisi/hisilicon.c
index b8d14b369..9f56b0f56 100644
--- a/arch/arm/mach-hisi/hisilicon.c
+++ b/arch/arm/mach-hisi/hisilicon.c
@@ -50,3 +50,36 @@ DT_MACHINE_START(HI3620, "Hisilicon Hi3620 (Flattened Device Tree)")
.map_io = hi3620_map_io,
.dt_compat = hi3xxx_compat,
MACHINE_END
+
+#define S40_IOCH1_PHYS_BASE 0xf8000000
+#define S40_IOCH1_VIRT_BASE 0xf9000000
+#define S40_IOCH1_SIZE 0x02000000
+
+static struct map_desc s40_io_desc[] __initdata = {
+ {
+ .pfn = __phys_to_pfn(S40_IOCH1_PHYS_BASE),
+ .virtual = S40_IOCH1_VIRT_BASE,
+ .length = S40_IOCH1_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+static void __init s40_map_io(void)
+{
+ debug_ll_io_init();
+ iotable_init(s40_io_desc, ARRAY_SIZE(s40_io_desc));
+}
+
+static const char *const s40_compat[] __initconst = {
+ "hisilicon,hi3798cv200",
+ "hisilicon,hi3796mv200",
+ "hisilicon,hi3798cv200",
+ "hisilicon,hi3798mv200",
+ "hisilicon,hi3798mv300",
+ NULL,
+};
+
+DT_MACHINE_START(S40, "Hisilicon S40 (Flattened Device Tree)")
+ .map_io = s40_map_io,
+ .dt_compat = s40_compat,
+MACHINE_END
--
2.39.2
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next prev parent reply other threads:[~2023-03-16 5:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-16 5:19 [PATCH 0/3] ARM: hisi: Support Hi3798 SoC David Yang
2023-03-16 5:19 ` David Yang [this message]
2023-03-16 5:19 ` [PATCH 2/3] ARM: hisi: Add S5 IO map David Yang
2023-03-16 5:19 ` [PATCH 3/3] ARM: hisi: Support Hi3798 SoC David Yang
2023-03-16 12:22 ` [PATCH 0/3] " Wei Xu
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