I took the new raspi hw rev definitions from
https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
and completed rpi_models_old_scheme and rpi_models_new_scheme.
Lookint at the "New-style revision codes in use:" list you can see that
there is a22042 2B (with BCM2837),
so BCM2836_BOARD_REV_2_B is not 100% correct, but as it is used nowhere
else this is should be neglectable.
Best regards
Moritz
yocto@yocto-build:~/src/barebox$ cat
0001-rpi-complete-new-revision-scheme.patch
From ad1ba48d991347f8f47710969fcceee304308f60 Mon Sep 17 00:00:00 2001
From: Moritz Augsburger <moritz@xxxxxxxxxxxxxxx>
Date: Thu, 24 Jan 2019 15:12:25 +0000
Subject: [PATCH] rpi: complete new revision scheme
---
arch/arm/boards/raspberry-pi/rpi-common.c | 30 +++++++++++++++++------
arch/arm/mach-bcm283x/include/mach/mbox.h | 40
++++++++++++++++++++-----------
2 files changed, 49 insertions(+), 21 deletions(-)
diff --git a/arch/arm/boards/raspberry-pi/rpi-common.c
b/arch/arm/boards/raspberry-pi/rpi-common.c
index b7ce0ad42..eefa8bcfb 100644
--- a/arch/arm/boards/raspberry-pi/rpi-common.c
+++ b/arch/arm/boards/raspberry-pi/rpi-common.c
@@ -166,16 +166,30 @@ const struct rpi_model rpi_models_old_scheme[] = {
RPI_MODEL(BCM2835_BOARD_REV_B_REV2_d, "Model B rev2",
rpi_b_init),
RPI_MODEL(BCM2835_BOARD_REV_B_REV2_e, "Model B rev2",
rpi_b_init),
RPI_MODEL(BCM2835_BOARD_REV_B_REV2_f, "Model B rev2",
rpi_b_init),
- RPI_MODEL(BCM2835_BOARD_REV_B_PLUS, "Model B+",
rpi_b_plus_init),
- RPI_MODEL(BCM2835_BOARD_REV_CM, "Compute Module", NULL),
- RPI_MODEL(BCM2835_BOARD_REV_A_PLUS, "Model A+", NULL),
+ RPI_MODEL(BCM2835_BOARD_REV_B_PLUS_10, "Model B+",
rpi_b_plus_init),
+ RPI_MODEL(BCM2835_BOARD_REV_CM_11, "Compute Module", NULL),
+ RPI_MODEL(BCM2835_BOARD_REV_A_PLUS_12, "Model A+", NULL),
+ RPI_MODEL(BCM2835_BOARD_REV_B_PLUS_13, "Model B+",
rpi_b_plus_init),
+ RPI_MODEL(BCM2835_BOARD_REV_CM_14, "Compute Module", NULL),
+ RPI_MODEL(BCM2835_BOARD_REV_A_PLUS_15, "Model A+", NULL),
};
const struct rpi_model rpi_models_new_scheme[] = {
- RPI_MODEL(0, "Unknown model", NULL),
- RPI_MODEL(BCM2836_BOARD_REV_2_B, "2 Model B", rpi_b_plus_init),
- RPI_MODEL(BCM2837_BOARD_REV_3_B, "3 Model B", rpi_b_plus_init),
- RPI_MODEL(BCM2835_BOARD_REV_ZERO, "Zero", rpi_b_plus_init),
+ RPI_MODEL(BCM2835_BOARD_REV_A, "Model A", NULL ),
// 0
+ RPI_MODEL(BCM2835_BOARD_REV_B, "Model B",
rpi_b_init ), // 1
+ RPI_MODEL(BCM2835_BOARD_REV_A_PLUS, "Model A+", NULL ),
// 2
+ RPI_MODEL(BCM2835_BOARD_REV_B_PLUS, "Model B+",
rpi_b_plus_init ), // 3
+ RPI_MODEL(BCM2836_BOARD_REV_2_B, "Model 2B",
rpi_b_plus_init), // 4
+ RPI_MODEL(BCM283x_BOARD_REV_Alpha, "Alpha", NULL),
// 5
+ RPI_MODEL(BCM2835_BOARD_REV_CM1, "Compute Module", NULL
), // 6
+ RPI_MODEL(0, "Unknown model", NULL),
// 7
+ RPI_MODEL(BCM2837_BOARD_REV_3_B, "Model 3B",
rpi_b_init ), // 8
+ RPI_MODEL(BCM2835_BOARD_REV_ZERO, "Zero",
rpi_b_plus_init), // 9
+ RPI_MODEL(BCM2837_BOARD_REV_CM3, "Compute Module 3", NULL
), // a
+ RPI_MODEL(0, "Unknown model", NULL),
// b
+ RPI_MODEL(BCM2835_BOARD_REV_ZERO_W, "Zero W",
rpi_b_plus_init), // c
+ RPI_MODEL(BCM2837B0_BOARD_REV_3B_PLUS, "Model 3 B+",
rpi_b_plus_init ), // d
+ RPI_MODEL(BCM2837B0_BOARD_REV_3A_PLUS, "Nodel 3 A+",
rpi_b_plus_init), // e
};
static int rpi_board_rev = 0;
@@ -211,10 +225,12 @@ static void rpi_get_board_rev(void)
* http://www.raspberrypi.org/forums/viewtopic.php?f=31&t=20594
*/
rpi_board_rev = msg->get_board_rev.body.resp.rev;
+ printf("RPI: Board rev %x\n", rpi_board_rev);
if (rpi_board_rev & 0x800000) {
rpi_board_rev = (rpi_board_rev >> 4) & 0xff;
rpi_models = rpi_models_new_scheme;
rpi_models_size = ARRAY_SIZE(rpi_models_new_scheme);
+ printf("RPI: Board rev %u new\n", rpi_board_rev);
} else {
rpi_board_rev &= 0xff;
diff --git a/arch/arm/mach-bcm283x/include/mach/mbox.h
b/arch/arm/mach-bcm283x/include/mach/mbox.h
index 0d1ac074e..e4f6cb675 100644
--- a/arch/arm/mach-bcm283x/include/mach/mbox.h
+++ b/arch/arm/mach-bcm283x/include/mach/mbox.h
@@ -127,18 +127,12 @@ struct bcm2835_mbox_tag_hdr {
#define BCM2835_MBOX_TAG_GET_BOARD_REV 0x00010002
-/* RPi 2 */
-#define BCM2836_BOARD_REV_2_B 0x4
-/* RPi 3 */
-#define BCM2837_BOARD_REV_3_B 0x8
-/* Zero */
-#define BCM2835_BOARD_REV_ZERO 0x9
-
/*
- * 0x2..0xf from:
- *
http://raspberryalphaomega.org.uk/2013/02/06/automatic-raspberry-pi-board-revision-detection-model-a-b1-and-b2/
- * http://www.raspberrypi.org/forums/viewtopic.php?f=63&t=32733
- * 0x10, 0x11 from swarren's testing
+ * ids
+ *
https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
+ * cpu info
+ * https://en.wikipedia.org/wiki/Raspberry_Pi#Processor
+ *
*/
#define BCM2835_BOARD_REV_B_I2C0_2 0x2
#define BCM2835_BOARD_REV_B_I2C0_3 0x3
@@ -151,9 +145,27 @@ struct bcm2835_mbox_tag_hdr {
#define BCM2835_BOARD_REV_B_REV2_d 0xd
#define BCM2835_BOARD_REV_B_REV2_e 0xe
#define BCM2835_BOARD_REV_B_REV2_f 0xf
-#define BCM2835_BOARD_REV_B_PLUS 0x10
-#define BCM2835_BOARD_REV_CM 0x11
-#define BCM2835_BOARD_REV_A_PLUS 0x12
+#define BCM2835_BOARD_REV_B_PLUS_10 0x10
+#define BCM2835_BOARD_REV_CM_11 0x11
+#define BCM2835_BOARD_REV_A_PLUS_12 0x12
+#define BCM2835_BOARD_REV_B_PLUS_13 0x13
+#define BCM2835_BOARD_REV_CM_14 0x14
+#define BCM2835_BOARD_REV_A_PLUS_15 0x15
+
+
+#define BCM2835_BOARD_REV_A 0x00
+#define BCM2835_BOARD_REV_B 0x01
+#define BCM2835_BOARD_REV_A_PLUS 0x02
+#define BCM2835_BOARD_REV_B_PLUS 0x03
+#define BCM2836_BOARD_REV_2_B 0x04
+#define BCM283x_BOARD_REV_Alpha 0x05
+#define BCM2835_BOARD_REV_CM1 0x06
+#define BCM2837_BOARD_REV_3_B 0x08
+#define BCM2835_BOARD_REV_ZERO 0x09
+#define BCM2837_BOARD_REV_CM3 0x0a
+#define BCM2835_BOARD_REV_ZERO_W 0x0c
+#define BCM2837B0_BOARD_REV_3B_PLUS 0x0d
+#define BCM2837B0_BOARD_REV_3A_PLUS 0x0e
struct bcm2835_mbox_tag_get_board_rev {
struct bcm2835_mbox_tag_hdr tag_hdr;
--
2.11.0
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