On 2023/2/16 07:49, Jonas Karlman wrote:
Add support for rk3036 compatible.
Signed-off-by: Jonas Karlman jonas@kwiboo.se
Reviewed-by: Kever Yang kever.yang@rock-chips.com
Thanks, - Kever
drivers/misc/rockchip-efuse.c | 39 +++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+)
diff --git a/drivers/misc/rockchip-efuse.c b/drivers/misc/rockchip-efuse.c index 897e79bcc60f..177c96983ed8 100644 --- a/drivers/misc/rockchip-efuse.c +++ b/drivers/misc/rockchip-efuse.c @@ -18,6 +18,9 @@ #include <misc.h>
#define EFUSE_CTRL 0x0000 +#define RK3036_A_SHIFT 8 +#define RK3036_A_MASK GENMASK(15, 8) +#define RK3036_ADDR(n) ((n) << RK3036_A_SHIFT) #define RK3128_A_SHIFT 7 #define RK3128_A_MASK GENMASK(15, 7) #define RK3128_ADDR(n) ((n) << RK3128_A_SHIFT) @@ -86,6 +89,33 @@ U_BOOT_CMD( ); #endif
+static int rockchip_rk3036_efuse_read(struct udevice *dev, int offset,
void *buf, int size)+{
- struct rockchip_efuse_plat *efuse = dev_get_plat(dev);
- u8 *buffer = buf;
- /* Switch to read mode */
- writel(EFUSE_LOAD, efuse->base + EFUSE_CTRL);
- udelay(2);
- while (size--) {
clrsetbits_le32(efuse->base + EFUSE_CTRL, RK3036_A_MASK,RK3036_ADDR(offset++));udelay(2);setbits_le32(efuse->base + EFUSE_CTRL, EFUSE_STROBE);udelay(2);*buffer++ = readb(efuse->base + EFUSE_DOUT);clrbits_le32(efuse->base + EFUSE_CTRL, EFUSE_STROBE);udelay(2);- }
- /* Switch to inactive mode */
- writel(0x0, efuse->base + EFUSE_CTRL);
- return 0;
+}
- static int rockchip_rk3128_efuse_read(struct udevice *dev, int offset, void *buf, int size) {
@@ -241,6 +271,11 @@ static int rockchip_efuse_of_to_plat(struct udevice *dev) return 0; }
+static const struct rockchip_efuse_data rk3036_data = {
- .read = rockchip_rk3036_efuse_read,
- .size = 0x20,
+};
- static const struct rockchip_efuse_data rk3128_data = { .read = rockchip_rk3128_efuse_read, .size = 0x40,
@@ -265,6 +300,10 @@ static const struct rockchip_efuse_data rk3399_data = { };
static const struct udevice_id rockchip_efuse_ids[] = {
- {
.compatible = "rockchip,rk3036-efuse",.data = (ulong)&rk3036_data,- }, { .compatible = "rockchip,rk3066a-efuse", .data = (ulong)&rk3288_data,