From: Andes <uboot@andestech.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 4/9] riscv: ae350: initialize PLIC
Date: Tue, 19 Mar 2019 17:07:45 +0800 [thread overview]
Message-ID: <20190319090750.8923-5-uboot@andestech.com> (raw)
In-Reply-To: <20190319090750.8923-1-uboot@andestech.com>
From: Rick Chen <rick@andestech.com>
Initialize PLIC when ae350 board startup.
Signed-off-by: Rick Chen <rick@andestech.com>
Cc: Greentime Hu <greentime@andestech.com>
---
board/AndesTech/ax25-ae350/ax25-ae350.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/board/AndesTech/ax25-ae350/ax25-ae350.c b/board/AndesTech/ax25-ae350/ax25-ae350.c
index d343453..ebeb4b8 100644
--- a/board/AndesTech/ax25-ae350/ax25-ae350.c
+++ b/board/AndesTech/ax25-ae350/ax25-ae350.c
@@ -11,10 +11,17 @@
#include <linux/io.h>
#include <faraday/ftsmc020.h>
#include <fdtdec.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+#include <dm/uclass-internal.h>
+#include <cpu.h>
DECLARE_GLOBAL_DATA_PTR;
extern phys_addr_t prior_stage_fdt_address;
+extern int plic_init(int harts);
+
/*
* Miscellaneous platform dependent initializations
*/
@@ -97,9 +104,32 @@ int smc_init(void)
return 0;
}
+#ifdef CONFIG_NDS_PLIC
+int init_plic(void)
+{
+ struct udevice *dev;
+ int ret;
+
+ ret = uclass_find_first_device(UCLASS_CPU, &dev);
+ if (ret)
+ return ret;
+
+ if (ret == 0 && dev != NULL) {
+ ret = cpu_get_count(dev);
+ plic_init(ret);
+ return 0;
+ }
+
+ return -ENODEV;
+}
+#endif
+
#ifdef CONFIG_BOARD_EARLY_INIT_F
int board_early_init_f(void)
{
+#ifdef CONFIG_NDS_PLIC
+ init_plic();
+#endif
smc_init();
return 0;
--
2.7.4
next prev parent reply other threads:[~2019-03-19 9:07 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-19 9:07 [U-Boot] [PATCH 0/9] AE350 SMP support RISC-V Andes
2019-03-19 9:07 ` [U-Boot] [PATCH 1/9] riscv: ax25: Create a simple-bus driver for the soc node Andes
2019-03-20 7:22 ` Bin Meng
2019-03-21 6:49 ` Rick Chen
2019-03-21 7:01 ` Bin Meng
2019-03-21 8:28 ` Rick Chen
2019-03-21 8:49 ` Bin Meng
2019-03-21 9:01 ` Rick Chen
2019-03-21 9:16 ` Bin Meng
2019-04-10 9:05 ` Rick Chen
2019-04-10 9:21 ` Auer, Lukas
2019-04-10 9:30 ` Rick Chen
2019-03-19 9:07 ` [U-Boot] [PATCH 2/9] riscv: Add a SYSCON driver for Andestech's PLIC Andes
2019-03-20 7:22 ` Bin Meng
2019-03-21 7:04 ` Rick Chen
2019-03-21 7:32 ` Bin Meng
2019-03-21 8:39 ` Rick Chen
2019-03-21 16:24 ` Troy Benjegerdes
2019-03-19 9:07 ` [U-Boot] [PATCH 3/9] riscv: Add a SYSCON driver for Andestech's PLMT Andes
2019-03-20 7:22 ` Bin Meng
2019-03-21 8:41 ` Rick Chen
2019-03-19 9:07 ` Andes [this message]
2019-03-19 9:07 ` [U-Boot] [PATCH 5/9] riscv: ae350: disable ATCPIT100 timer Andes
2019-03-20 7:22 ` Bin Meng
2019-03-19 9:07 ` [U-Boot] [PATCH 6/9] riscv: ax25: Add platform-specific Kconfig options Andes
2019-03-20 7:22 ` Bin Meng
2019-03-19 9:07 ` [U-Boot] [PATCH 7/9] riscv: ax25: Andes specific cache shall only support in M-mode Andes
2019-03-20 7:22 ` Bin Meng
2019-03-21 8:42 ` Rick Chen
2019-03-19 9:07 ` [U-Boot] [PATCH 8/9] riscv: dts: ae350 support SMP Andes
2019-03-20 7:22 ` Bin Meng
2019-03-21 8:51 ` Rick Chen
2019-03-21 9:15 ` Bin Meng
2019-03-21 9:38 ` Rick Chen
2019-03-21 10:12 ` Bin Meng
2019-03-21 10:16 ` Rick Chen
2019-03-19 9:07 ` [U-Boot] [PATCH 9/9] riscv: ae350: enable SMP Andes
2019-03-20 7:22 ` Bin Meng
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