From: David Yang <mmyangfl@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: David Yang <mmyangfl@gmail.com>, Wei Xu <xuwei5@hisilicon.com>,
Russell King <linux@armlinux.org.uk>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 1/4] ARM: hisi: Add S40 IO map
Date: Fri, 17 Mar 2023 16:53:44 +0800 [thread overview]
Message-ID: <20230317085347.10147-2-mmyangfl@gmail.com> (raw)
In-Reply-To: <20230317085347.10147-1-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 | 35 +++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-hisi/hisilicon.c b/arch/arm/mach-hisi/hisilicon.c
index b8d14b369..2128e6dd5 100644
--- a/arch/arm/mach-hisi/hisilicon.c
+++ b/arch/arm/mach-hisi/hisilicon.c
@@ -46,7 +46,40 @@ static const char *const hi3xxx_compat[] __initconst = {
NULL,
};
-DT_MACHINE_START(HI3620, "Hisilicon Hi3620 (Flattened Device Tree)")
+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,hi3796cv200",
+ "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
next prev parent reply other threads:[~2023-03-17 8:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-17 8:53 [PATCH v2 0/4] ARM: hisi: Support Hi3798 SoC David Yang
2023-03-17 8:53 ` David Yang [this message]
2023-03-17 8:53 ` [PATCH v2 2/4] ARM: hisi: Add S5 IO map David Yang
2023-03-17 8:53 ` [PATCH v2 3/4] ARM: hisi: Support Hi3798 SoC David Yang
2023-03-17 8:53 ` [PATCH v2 4/4] dt-bindings: arm: hisilicon: Add Hi37xx SoCs David Yang
2023-03-17 9:02 ` Krzysztof Kozlowski
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