arm: mvebu: turris_omnia: Add header containing MCU command interface and use it
Add header containing all MCU command definitions and use it in board
code and in MCU driver.
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c
index adeb69a..6c2d7da 100644
--- a/board/CZ.NIC/turris_omnia/turris_omnia.c
+++ b/board/CZ.NIC/turris_omnia/turris_omnia.c
@@ -23,6 +23,7 @@
#include <fdt_support.h>
#include <hexdump.h>
#include <time.h>
+#include <turris-omnia-mcu-interface.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <u-boot/crc.h>
@@ -59,46 +60,6 @@
#define A385_WD_RSTOUT_UNMASK MVEBU_REGISTER(0x20704)
#define A385_WD_RSTOUT_UNMASK_GLOBAL BIT(8)
-enum mcu_commands {
- CMD_GET_STATUS_WORD = 0x01,
- CMD_GET_RESET = 0x09,
- CMD_GET_FW_VERSION_APP = 0x0a,
- CMD_WATCHDOG_STATE = 0x0b,
- CMD_GET_FW_VERSION_BOOT = 0x0e,
-
- /* available if STS_FEATURES_SUPPORTED bit set in status word */
- CMD_GET_FEATURES = 0x10,
-
- /* available if EXT_CMD bit set in features */
- CMD_EXT_CONTROL = 0x12,
-};
-
-enum status_word_bits {
- STS_MCU_TYPE_MASK = GENMASK(1, 0),
- STS_MCU_TYPE_STM32 = 0,
- STS_MCU_TYPE_GD32 = 1,
- STS_MCU_TYPE_MKL = 2,
- STS_MCU_TYPE_UNKN = 3,
- STS_FEATURES_SUPPORTED = BIT(2),
- CARD_DET_STSBIT = 0x0010,
- MSATA_IND_STSBIT = 0x0020,
-};
-
-/* CMD_GET_FEATURES */
-enum features_e {
- FEAT_PERIPH_MCU = BIT(0),
- FEAT_EXT_CMDS = BIT(1),
-};
-
-/* CMD_EXT_CONTROL */
-enum ext_ctl_e {
- EXT_CTL_nRES_LAN = BIT(1),
- EXT_CTL_nRES_PHY = BIT(2),
- EXT_CTL_nPERST0 = BIT(3),
- EXT_CTL_nPERST1 = BIT(4),
- EXT_CTL_nPERST2 = BIT(5),
-};
-
/*
* Those values and defines are taken from the Marvell U-Boot version
* "u-boot-2013.01-2014_T3.0"
@@ -219,7 +180,7 @@
puts("Disabling MCU watchdog... ");
- ret = omnia_mcu_write(CMD_WATCHDOG_STATE, "\x00", 1);
+ ret = omnia_mcu_write(CMD_SET_WATCHDOG_STATE, "\x00", 1);
if (ret) {
printf("omnia_mcu_write failed: %i\n", ret);
return false;
@@ -256,17 +217,17 @@
return false;
}
- if (!(stsword & CARD_DET_STSBIT)) {
+ if (!(stsword & STS_CARD_DET)) {
puts("none\n");
return false;
}
- if (stsword & MSATA_IND_STSBIT)
+ if (stsword & STS_MSATA_IND)
puts("mSATA\n");
else
puts("MiniPCIe\n");
- return stsword & MSATA_IND_STSBIT ? true : false;
+ return stsword & STS_MSATA_IND;
}
static bool omnia_detect_wwan_usb3(const char *wwan_slot)
@@ -393,18 +354,7 @@
static const char * const omnia_get_mcu_type(void)
{
- static const char * const mcu_types[] = {
- [STS_MCU_TYPE_STM32] = "STM32",
- [STS_MCU_TYPE_GD32] = "GD32",
- [STS_MCU_TYPE_MKL] = "MKL",
- [STS_MCU_TYPE_UNKN] = "unknown",
- };
- static const char * const mcu_types_with_perip_resets[] = {
- [STS_MCU_TYPE_STM32] = "STM32 (with peripheral resets)",
- [STS_MCU_TYPE_GD32] = "GD32 (with peripheral resets)",
- [STS_MCU_TYPE_MKL] = "MKL (with peripheral resets)",
- [STS_MCU_TYPE_UNKN] = "unknown (with peripheral resets)",
- };
+ static char result[] = "xxxxxxx (with peripheral resets)";
u16 stsword, features;
int ret;
@@ -412,13 +362,28 @@
if (ret)
return "unknown";
+ switch (stsword & STS_MCU_TYPE_MASK) {
+ case STS_MCU_TYPE_STM32:
+ strcpy(result, "STM32");
+ break;
+ case STS_MCU_TYPE_GD32:
+ strcpy(result, "GD32");
+ break;
+ case STS_MCU_TYPE_MKL:
+ strcpy(result, "MKL");
+ break;
+ default:
+ strcpy(result, "unknown");
+ break;
+ }
+
if (stsword & STS_FEATURES_SUPPORTED) {
ret = omnia_mcu_read(CMD_GET_FEATURES, &features, sizeof(features));
if (ret == 0 && (features & FEAT_PERIPH_MCU))
- return mcu_types_with_perip_resets[stsword & STS_MCU_TYPE_MASK];
+ strcat(result, " (with peripheral resets)");
}
- return mcu_types[stsword & STS_MCU_TYPE_MASK];
+ return result;
}
static const char * const omnia_get_mcu_version(void)