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build/patch/u-boot/u-boot-rockchip64-v2022.04/rk3328-efuse-driver.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Piotr Szczepanik <piter75@gmail.com>
Date: Sun, 3 May 2020 20:42:50 +0200
Subject: [ARCHEOLOGY] Added rk3328 efuse driver and stable secondary mac
address to u-boot (#1939)
> X-Git-Archeology: - Revision 7113913be8597cd269f61a7f8fd82da41d7b03a4: https://github.com/armbian/build/commit/7113913be8597cd269f61a7f8fd82da41d7b03a4
> X-Git-Archeology: Date: Sun, 03 May 2020 20:42:50 +0200
> X-Git-Archeology: From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology: Subject: Added rk3328 efuse driver and stable secondary mac address to u-boot (#1939)
> X-Git-Archeology:
> X-Git-Archeology: - Revision 88a585a3fe56bf9eb8c1df8993fe34830597ca77: https://github.com/armbian/build/commit/88a585a3fe56bf9eb8c1df8993fe34830597ca77
> X-Git-Archeology: Date: Sat, 18 Jul 2020 00:06:01 +0200
> X-Git-Archeology: From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology: Subject: Update mainline u-boot for rockchip64 / rk3399 to v2020.07 (#2086)
> X-Git-Archeology:
> X-Git-Archeology: - Revision 86abac1fd4e169712a44d245cf7adef4ee17c420: https://github.com/armbian/build/commit/86abac1fd4e169712a44d245cf7adef4ee17c420
> X-Git-Archeology: Date: Tue, 26 Oct 2021 22:14:41 +0200
> X-Git-Archeology: From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology: Subject: Cleanup u-boot configurations for rockchip64 derivatives (#3150)
> X-Git-Archeology:
> X-Git-Archeology: - Revision 71ff7b3b989dcb7e86b7e1c00a408a2f53744ea0: https://github.com/armbian/build/commit/71ff7b3b989dcb7e86b7e1c00a408a2f53744ea0
> X-Git-Archeology: Date: Thu, 11 Nov 2021 23:49:52 +0100
> X-Git-Archeology: From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology: Subject: Switched rockchip64 u-boot to v2021.07 (#3233)
> X-Git-Archeology:
> X-Git-Archeology: - Revision 2813365dd25e3ad110936cbf014b95b38d7090ec: https://github.com/armbian/build/commit/2813365dd25e3ad110936cbf014b95b38d7090ec
> X-Git-Archeology: Date: Mon, 07 Nov 2022 21:29:00 +0100
> X-Git-Archeology: From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology: Subject: Move known non working rockhip64 boards to previous boot loader (#4392)
> X-Git-Archeology:
---
drivers/misc/rockchip-efuse.c | 85 +++++++++-
include/configs/rk3328_common.h | 4 +
2 files changed, 87 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/rockchip-efuse.c b/drivers/misc/rockchip-efuse.c
index 083ee65e0a..40a7db6278 100644
--- a/drivers/misc/rockchip-efuse.c
+++ b/drivers/misc/rockchip-efuse.c
@@ -13,8 +13,18 @@
#include <dm.h>
#include <linux/bitops.h>
#include <linux/delay.h>
+#include <malloc.h>
#include <misc.h>
+#define RK3328_INT_STATUS 0x0018
+#define RK3328_DOUT 0x0020
+#define RK3328_AUTO_CTRL 0x0024
+#define RK3328_INT_FINISH BIT(0)
+#define RK3328_AUTO_ENB BIT(0)
+#define RK3328_AUTO_RD BIT(1)
+#define RK3328_NO_SECURE_BYTES 32
+#define RK3328_SECURE_BYTES 96
+
#define RK3399_A_SHIFT 16
#define RK3399_A_MASK 0x3ff
#define RK3399_NFUSES 32
@@ -27,6 +37,9 @@
#define RK3399_STROBE BIT(1)
#define RK3399_CSB BIT(0)
+typedef int (*EFUSE_READ)(struct udevice *dev, int offset, void *buf,
+ int size);
+
struct rockchip_efuse_regs {
u32 ctrl; /* 0x00 efuse control register */
u32 dout; /* 0x04 efuse data out register */
@@ -35,6 +48,10 @@ struct rockchip_efuse_regs {
u32 jtag_pass; /* 0x10 JTAG password */
u32 strobe_finish_ctrl;
/* 0x14 efuse strobe finish control register */
+ u32 int_status;/* 0x18 */
+ u32 reserved; /* 0x1c */
+ u32 dout2; /* 0x20 */
+ u32 auto_ctrl; /* 0x24 */
};
struct rockchip_efuse_plat {
@@ -83,6 +100,57 @@ U_BOOT_CMD(
);
#endif
+static int rockchip_rk3328_efuse_read(struct udevice *dev, int offset,
+ void *buf, int size)
+{
+ struct rockchip_efuse_plat *plat = dev_get_plat(dev);
+ struct rockchip_efuse_regs *efuse =
+ (struct rockchip_efuse_regs *)plat->base;
+ unsigned int addr_start, addr_end, addr_offset, addr_len;
+ u32 out_value, status;
+ u8 *buffer;
+ int ret = 0, i = 0, j = 0;
+
+ /* Max non-secure Byte */
+ if (size > RK3328_NO_SECURE_BYTES)
+ size = RK3328_NO_SECURE_BYTES;
+
+ /* 128 Byte efuse, 96 Byte for secure, 32 Byte for non-secure */
+ offset += RK3328_SECURE_BYTES;
+ addr_start = rounddown(offset, RK3399_BYTES_PER_FUSE) /
+ RK3399_BYTES_PER_FUSE;
+ addr_end = roundup(offset + size, RK3399_BYTES_PER_FUSE) /
+ RK3399_BYTES_PER_FUSE;
+ addr_offset = offset % RK3399_BYTES_PER_FUSE;
+ addr_len = addr_end - addr_start;
+
+ buffer = calloc(1, sizeof(*buffer) * addr_len * RK3399_BYTES_PER_FUSE);
+ if (!buffer)
+ return -ENOMEM;
+
+ for (j = 0; j < addr_len; j++) {
+ writel(RK3328_AUTO_RD | RK3328_AUTO_ENB |
+ ((addr_start++ & RK3399_A_MASK) << RK3399_A_SHIFT),
+ &efuse->auto_ctrl);
+ udelay(5);
+ status = readl(&efuse->int_status);
+ if (!(status & RK3328_INT_FINISH)) {
+ ret = -EIO;
+ goto err;
+ }
+ out_value = readl(&efuse->dout2);
+ writel(RK3328_INT_FINISH, &efuse->int_status);
+
+ memcpy(&buffer[i], &out_value, RK3399_BYTES_PER_FUSE);
+ i += RK3399_BYTES_PER_FUSE;
+ }
+ memcpy(buf, buffer + addr_offset, size);
+err:
+ free(buffer);
+
+ return ret;
+}
+
static int rockchip_rk3399_efuse_read(struct udevice *dev, int offset,
void *buf, int size)
{
@@ -130,7 +198,13 @@ static int rockchip_rk3399_efuse_read(struct udevice *dev, int offset,
static int rockchip_efuse_read(struct udevice *dev, int offset,
void *buf, int size)
{
- return rockchip_rk3399_efuse_read(dev, offset, buf, size);
+ EFUSE_READ efuse_read = NULL;
+
+ efuse_read = (EFUSE_READ)dev_get_driver_data(dev);
+ if (!efuse_read)
+ return -EINVAL;
+
+ return (*efuse_read)(dev, offset, buf, size);
}
static const struct misc_ops rockchip_efuse_ops = {
@@ -146,7 +220,14 @@ static int rockchip_efuse_of_to_plat(struct udevice *dev)
}
static const struct udevice_id rockchip_efuse_ids[] = {
- { .compatible = "rockchip,rk3399-efuse" },
+ {
+ .compatible = "rockchip,rk3328-efuse",
+ .data = (ulong)&rockchip_rk3328_efuse_read,
+ },
+ {
+ .compatible = "rockchip,rk3399-efuse",
+ .data = (ulong)&rockchip_rk3399_efuse_read,
+ },
{}
};
diff --git a/include/configs/rk3328_common.h b/include/configs/rk3328_common.h
index c1e26a019b..67a951673a 100644
--- a/include/configs/rk3328_common.h
+++ b/include/configs/rk3328_common.h
@@ -21,6 +21,10 @@
#define CONFIG_SPL_BSS_START_ADDR 0x2000000
#define CONFIG_SPL_BSS_MAX_SIZE 0x2000
+#define CONFIG_MISC 1
+#define CONFIG_MISC_INIT_R 1
+#define CONFIG_ROCKCHIP_EFUSE 1
+
#define CONFIG_SYS_BOOTM_LEN (64 << 20) /* 64M */
/* FAT sd card locations. */
--
Armbian
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