Hardware diagnosis for inka4x0 boards.

From: Andreas Pfefferle <[email protected]>

This patch supports added diagnosis functions and the

use of the external RTC.
? ?

Signed-off-by Andreas Pfefferle <[email protected]>

---
 include/configs/inka4x0.h |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

include/configs/inka4x0.h +0 -0

index 405234c..5caa405 100644

why not make configurable via if def
as >
ifndef CONFIG_RTC_RTC4543
#define CONFIG_RTC_MPC5200
#endif

RnJvbTogQW5kcmVhcyBQZmVmZmVybGUgPGFwQGRlbnguZGU+CgpUaGlzIHBhdGNoIHN1cHBvcnRz IGFkZGVkIGRpYWdub3NpcyBmdW5jdGlvbnMgYW5kIHRoZQp1c2Ugb2YgdGhlIGV4dGVybmFsIFJU Qy4KwqAgwqAKU2lnbmVkLW9mZi1ieTogQW5kcmVhcyBQZmVmZmVybGUgPGFwQGRlbnguZGU+Ci0t LQogaW5jbHVkZS9jb25maWdzL2lua2E0eDAuaCB8ICAgIDcgKysrKy0tLQogMSBmaWxlcyBjaGFu Z2VkLCA0IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvaW5jbHVk ZS9jb25maWdzL2lua2E0eDAuaCBiL2luY2x1ZGUvY29uZmlncy9pbmthNHgwLmgKaW5kZXggNDA1 MjM0Yy4uNWNhYTQwNSAxMDA2NDQKLS0tIGEvaW5jbHVkZS9jb25maWdzL2lua2E0eDAuaAorKysg Yi9pbmNsdWRlL2NvbmZpZ3MvaW5rYTR4MC5oCkBAIC05Nyw3ICs5Nyw4IEBACiAjZGVmaW5lIENP TkZJR19DTURfUENJCiAjZGVmaW5lIENPTkZJR19DTURfU05UUAogI2RlZmluZSBDT05GSUdfQ01E X1VTQgotCisjZGVmaW5lIENPTkZJR19DTURfREFURQorI2RlZmluZSBDT05GSUdfQ01EX1BJTkcK IAogI2RlZmluZQlDT05GSUdfVElNRVNUQU1QCTEJLyogUHJpbnQgaW1hZ2UgaW5mbyB3aXRoIHRp bWVzdGFtcCAqLwogCkBAIC0yNDEsMTMgKzI0MiwxMyBAQAogICogdXNlIFBTQzZfMSBhbmQgUFND Nl8zIGFzIEdQSU86IEJpdHMgOToxMSAobWFzazogMHgwNzAwMDAwMCk6CiAgKgkwMTEgLT4gUFND NiBjb3VsZCBub3QgYmUgdXNlZCBhcyBVQVJUIG9yIENPREVDLiBJckRBIHN0aWxsIHBvc3NpYmxl

LgogICovCi0jZGVmaW5lIENPTkZJR19TWVNfR1BTX1BPUlRfQ09ORklHCTB4MDEwMDEwMDQKKyNk ZWZpbmUgQ09ORklHX1NZU19HUFNfUE9SVF9DT05GSUcJMHgwMTUwMTQ0NAogCiAvKgogICogUlRD IGNvbmZpZ3VyYXRpb24KICAqLwotI2RlZmluZSBDT05GSUdfUlRDX01QQzUyMDAJMQkvKiB1c2Ug aW50ZXJuYWwgTVBDNTIwMCBSVEMgKi8KIAorI2RlZmluZSBDT05GSUdfUlRDX1JUQzQ1NDMgCTEJ LyogdXNlIGV4dGVybmFsIFJUQyAqLwogLyoKICAqIE1pc2NlbGxhbmVvdXMgY29uZmlndXJhYmxl IG9wdGlvbnMKICAqLwotLSAKMS42LjAuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KVS1Cb290IG1haWxpbmcgbGlzdApVLUJvb3RAbGlzdHMuZGVueC5k ZQpodHRwOi8vbGlzdHMuZGVueC5kZS9tYWlsbWFuL2xpc3RpbmZvL3UtYm9vdAo=

From: Andreas Pfefferle <[email protected]>

This patch adds the board specific communication routines needed by the external 4543 RTC.

Signed-off-by Andreas Pfefferle <[email protected]>

---
 board/inka4x0/inka4x0.c |  124 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 124 insertions(+), 0 deletions(-)

board/inka4x0/inka4x0.c +4 -0

index 507196b..6312b4f 100644
@@ -8,6 +8,9 @@
  * (C) Copyright 2004
  * Martin Krause, TQ-Systems GmbH, martin.krause at tqs.de
  *
+ * (C) Copyright 2008
+ * Andreas Pfefferle, DENX Software Engineering, ap at denx.de.
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *

@@ -27,6 +30,7 @@
  * MA 02111-1307 USA
  */
 
+#include <asm/io.h>
 #include <common.h>
 #include <mpc5xxx.h>
 #include <pci.h>

board/inka4x0/inka4x0.c +27 -0

+	switch (reg) {
+	case 0:
+		/* PSC3_4 is input */
+		gpio->sint_ddr &= ~RTC_DATA;
+		/* Lower WR */
+		out_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O,
+			in_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O) & ~RTC_WR);
+		udelay(1);
+		/* Rise CE */
+		out_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O,
+			in_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O) | RTC_CE);
+		udelay(1);
+		break;
+	case 1:
+	case 2:
+	case 3:
+	case 5:
+	case 6:
+	case 7:
+		RTCREAD(8, val);
+		break;
+	case 4:
+		RTCREAD(4, val);
+		break;
+	case 8:
+		/* Lower CE */
+		out_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O,

board/inka4x0/inka4x0.c +34 -0

+	switch (reg) {
+	case 0:
+		/* PSC3_4 is output */
+		gpio->sint_ddr |= RTC_DATA;
+		/* Rise WR */
+		out_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O,
+			in_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O) | RTC_WR);
+		udelay(1);
+		/* Rise CE */
+		out_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O,
+			in_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O) | RTC_CE);
+		udelay(1);
+		break;
+	case 1:
+	case 2:
+	case 3:
+	case 5:
+	case 6:
+	case 7:
+		RTCWRITE(8, val);
+		break;
+	case 4:
+		RTCWRITE(4, val);
+		break;
+	case 8:
+		/* Lower CE */
+		out_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O,
+			in_be32((unsigned *)MPC5XXX_WU_GPIO_DATA_O) & ~RTC_CE);
+		break;
+	}
+}
+#endif
+
 #ifndef CONFIG_SYS_RAMBOOT
 static void sdram_start (int hi_addr)
 {

@@ -220,6 +329,21 @@ int misc_init_f (void)
 	*(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC3_9;
 	*(vu_long *) MPC5XXX_WU_GPIO_DIR    |= GPIO_PSC3_9;
 	*(vu_long *) MPC5XXX_WU_GPIO_DATA_O   |= GPIO_PSC3_9;
+

From: Andreas Pfefferle <[email protected]>

This patch adds the board specific communication routines needed by the external 4543 RTC.

Dear ap at denx.de,

Quoted 4 lines · In message <[email protected]> you wrote:

From: Andreas Pfefferle <[email protected]>

This patch adds the board specific communication routines needed by the external 4543 RTC.

No, that's broken by design. An RTC is not board-dependent, but a generic piece of hardware. Code for it does not belong into any board-specific file, but into drivers/rtc/

+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */

drivers/rtc/rtc4543.c new file +17 -0

+
+int rtc_get(struct rtc_time *tmp)
+{
+	int rel = 0;
+	uchar sec, min, hour, mday, wday, mon, year;
+
+	rtc_read(0x00);
+	sec	= rtc_read(0x01);
+	min	= rtc_read(0x02);
+	hour	= rtc_read(0x03);
+	wday	= rtc_read(0x04);
+	mday	= rtc_read(0x05);
+	mon	= rtc_read(0x06);
+	year	= rtc_read(0x07);
+	rtc_read(0x08);
+
+	debug("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "

drivers/rtc/rtc4543.c new file +20 -0

+	tmp->tm_min  = BCD2BIN(min  & 0x7F);
+	tmp->tm_hour = BCD2BIN(hour & 0x3F);
+	tmp->tm_mday = BCD2BIN(mday & 0x3F);
+	tmp->tm_mon  = BCD2BIN(mon & 0x1F);
+	tmp->tm_year = BCD2BIN(year);
+	tmp->tm_wday = BCD2BIN(wday & 0x07);
+	tmp->tm_yday = 0;
+	tmp->tm_isdst = 0;
+
+	debug("Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
+		tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+		tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+
+	return rel;
+}
+
+int rtc_set(struct rtc_time *tmp)
+{
+	debug("Set DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
+		tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,

drivers/rtc/rtc4543.c new file +11 -0

+  tmp.tm_sec = 0;
+  tmp.tm_min = 0;
+  tmp.tm_hour = 0;
+  tmp.tm_wday = 4;
+  tmp.tm_mday = 1;
+  tmp.tm_mon = 1;
+  tmp.tm_year = 1970;
+  rtc_set(&tmp);
+}
+
+#endif

include/rtc.h +0 -0

index 785fbe3..019c2eb 100644

From: Andreas Pfefferle <[email protected]>

This patch adds diagnosis functions for the buzzer, UARTs and digital IOs on inka4x0 hardware.
? ?

Signed-off-by Andreas Pfefferle <[email protected]>

---
 board/inka4x0/Makefile   |    2 +-
 board/inka4x0/inkadiag.c |  515 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 516 insertions(+), 1 deletions(-)
 create mode 100644 board/inka4x0/inkadiag.c

board/inka4x0/Makefile +1 -1

index 442e2d0..2264dae 100644
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o
+COBJS	:= $(BOARD).o  inkadiag.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))

board/inka4x0/inkadiag.c new file +30 -0

new file mode 100644
index 0000000..6194b58
@@ -0,0 +1,515 @@
+/*
+ * (C) Copyright 2008
+ * Andreas Pfefferle, DENX Software Engineering, ap at denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/io.h>
+#include <common.h>
+#include <config.h>
+#include <mpc5xxx.h>
+#include <pci.h>
+
+#include <command.h>

board/inka4x0/inkadiag.c new file +16 -0

+
+#define DIGIN_TOUCHSCR_MASK	0x00003000	/* Inputs 12-13 */
+#define DIGIN_KEYB_MASK		0x00010000	/* Input 16 */
+
+#define DIGIN_DRAWER_SW1	0x00400000	/* Input 22 */
+#define DIGIN_DRAWER_SW2	0x00800000	/* Input 23 */
+
+#define DIGIO_LED0		0x00000001	/* Output 0 */
+#define DIGIO_LED1		0x00000002	/* Output 1 */
+#define DIGIO_LED2		0x00000004	/* Output 2 */
+#define DIGIO_LED3		0x00000008	/* Output 3 */
+#define DIGIO_LED4		0x00000010	/* Output 4 */
+#define DIGIO_LED5		0x00000020	/* Output 5 */
+
+#define DIGIO_DRAWER1		0x00000100	/* Output 8 */
+#define DIGIO_DRAWER2		0x00000200	/* Output 9 */

board/inka4x0/inkadiag.c new file +25 -0

+		if (which == 1) {
+			if (state & DIGIO_DRAWER1) {
+				gpio->simple_dvo &= ~0x1000;
+				udelay(1);
+				gpio->simple_dvo |= 0x1000;
+			} else {
+				gpio->simple_dvo |= 0x1000;
+				udelay(1);
+				gpio->simple_dvo &= ~0x1000;
+			}
+		}
+		if (which == 2) {
+			if (state & DIGIO_DRAWER2) {
+				gpio->simple_dvo &= ~0x2000;
+				udelay(1);
+				gpio->simple_dvo |= 0x2000;
+			} else {
+				gpio->simple_dvo |= 0x2000;
+				udelay(1);
+				gpio->simple_dvo &= ~0x2000;
+			}
+		}
+	}
+	udelay(1);
+}

board/inka4x0/inkadiag.c new file +15 -0

+	if (strcmp(argv[1], "drawer1") == 0) {
+		printf("exit code: 0x%X\n",
+		    (state & DIGIN_DRAWER_SW1) >> (ffs(DIGIN_DRAWER_SW1) - 1));
+	} else if (strcmp(argv[1], "drawer2") == 0) {
+		printf("exit code: 0x%X\n",
+		    (state & DIGIN_DRAWER_SW2) >> (ffs(DIGIN_DRAWER_SW2) - 1));
+	} else if (strcmp(argv[1], "other") == 0) {
+		printf("exit code: 0x%X\n",
+		      ((state & DIGIN_KEYB_MASK) >> (ffs(DIGIN_KEYB_MASK) - 1))
+		      | ((state & DIGIN_TOUCHSCR_MASK) >>
+		      (ffs(DIGIN_TOUCHSCR_MASK) - 2)));
+	} else {
+		printf("Invalid argument: %s\n", argv[1]);
+		return -1;
+	}

board/inka4x0/inkadiag.c new file +49 -0

+	if (strcmp(argv[1], "drawer1") == 0) {
+		val <<= (ffs(DIGIO_DRAWER1) - 1);
+		inka_digio_set_output(val, 1);
+	} else if (strcmp(argv[1], "drawer2") == 0) {
+		val <<= (ffs(DIGIO_DRAWER2) - 1);
+		inka_digio_set_output(val, 2);
+	} else if (strcmp(argv[1], "other") == 0)
+		inka_digio_set_output(val, 0);
+	else {
+		printf("Invalid argument: %s\n", argv[1]);
+		return -1;
+	}
+	return io_helper(argc, argv);
+}
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int ser_init(volatile struct mpc5xxx_psc *psc, int baudrate)
+{
+	unsigned long baseclk;
+	int div;
+
+	/* reset PSC */
+	psc->command = PSC_SEL_MODE_REG_1;
+
+	/* select clock sources */
+
+	psc->psc_clock_select = 0;
+	baseclk = (gd->ipb_clk + 16) / 32;
+
+	/* switch to UART mode */
+	psc->sicr = 0;
+
+	/* configure parity, bit length and so on */
+
+	psc->mode = PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+
+	psc->mode = PSC_MODE_ONE_STOP;
+
+	/* set up UART divisor */
+	div = (baseclk + (baudrate / 2)) / baudrate;
+	psc->ctur = (div >> 8) & 0xff;
+	psc->ctlr = div & 0xff;
+
+	/* disable all interrupts */
+	psc->psc_imr = 0;
+
+	/* reset and enable Rx/Tx */
+	psc->command = PSC_RST_RX;

board/inka4x0/inkadiag.c new file +9 -0

+	while (!(psc->psc_status & PSC_SR_RXRDY) && (i++ < CONFIG_SYS_HZ))
+		udelay(10);
+
+	return psc->psc_buffer_8;
+}
+
+#define SERIAL_PORT_BASE	(u_char *)0x80000000
+
+#define UART_RX		0	/* In:  Receive buffer (DLAB=0) */

board/inka4x0/inkadiag.c new file +30 -0

+#define UART_LCR_DLAB	0x80	/* Divisor latch access bit */
+
+#define UART_LSR_THRE	0x20	/* Transmit-hold-register empty */
+#define UART_LSR_DR	0x01	/* Receiver data ready */
+
+#define UART_MCR_LOOP	0x10	/* Enable loopback test mode */
+#define UART_MCR_RTS	0x02	/* RTS complement */
+#define UART_MCR_DTR	0x01	/* DTR complement */
+
+#define UART_MSR_DCD	0x80	/* Data Carrier Detect */
+#define UART_MSR_DSR	0x20	/* Data Set Ready */
+#define UART_MSR_CTS	0x10	/* Clear to Send */
+#define PSC_OP1_RTS		0x01
+#define PSC_OP0_RTS		0x01
+
+static unsigned char serial_in(unsigned char num, int offset)
+{
+	return in_8(SERIAL_PORT_BASE + (num << 3) + offset);
+}
+
+static void serial_out(unsigned char num, int offset, unsigned char value)
+{
+	out_8(SERIAL_PORT_BASE + (num << 3) + offset, value);
+}
+
+TEST_NAME(serial, "inkadiag serial");
+TEST_USAGE(serial, "Usage: %s\n\
+       <num> <mode> <baudrate> <msg> # test uart num [0..11] in mode\
+ and baudrate with msg\n\
+");

board/inka4x0/inkadiag.c new file +14 -0

+
+	if (strcmp(argv[2], "115200") == 0)
+		combrd = 1;
+	else if (strcmp(argv[2], "57600") == 0)
+		combrd = 2;
+	else if (strcmp(argv[2], "38400") == 0)
+		combrd = 3;
+	else if (strcmp(argv[2], "19200") == 0)
+		combrd = 6;
+	else if (strcmp(argv[2], "9600") == 0)
+		combrd = 12;
+	else if (strcmp(argv[2], "2400") == 0)
+		combrd = 48;
+	else if (strcmp(argv[2], "1200") == 0)

board/inka4x0/inkadiag.c new file +23 -0

+			/* turn on 'loopback' mode */
+			serial_out(num, UART_MCR, UART_MCR_LOOP);
+		else {
+			/* establish the UART's operational parameters */
+			/* set DLAB=1 */
+			serial_out(num, UART_LCR, UART_LCR_DLAB);
+			/* set baudrate */
+			serial_out(num, UART_DLL, combrd);
+			/* set data-format: 8-N-1 */
+			serial_out(num, UART_LCR, UART_LCR_WLEN8);
+		}
+
+		if (mode & 2) {
+			/* set request to send */
+			serial_out(num, UART_MCR, UART_MCR_RTS);
+			udelay(10);
+			/* check clear to send */
+			if ((serial_in(num, UART_MSR) & UART_MSR_CTS) == 0x00)
+				return -1;
+		}
+		if (mode & 4) {
+			/* set data terminal ready */
+			serial_out(num, UART_MCR, UART_MCR_DTR);

board/inka4x0/inkadiag.c new file +11 -0

+			while ((serial_in(num, UART_LSR) & UART_LSR_THRE) ==
+				0x00) {
+				if (j++ > CONFIG_SYS_HZ)
+					break;
+				udelay(10);
+			}
+			serial_out(num, UART_TX, argv[3][i]);
+			j = 0;
+			while ((serial_in(num, UART_LSR) & UART_LSR_DR) ==
+				0x00) {
+				if (j++ > CONFIG_SYS_HZ)

board/inka4x0/inkadiag.c new file +20 -0

+		switch (num) {
+		case 8:
+			address = MPC5XXX_PSC6;
+			irq = MPC5XXX_PSC6_IRQ;
+			break;
+		case 9:
+			address = MPC5XXX_PSC3;
+			irq = MPC5XXX_PSC3_IRQ;
+			break;
+		case 10:
+			address = MPC5XXX_PSC2;
+			irq = MPC5XXX_PSC2_IRQ;
+			break;
+		case 11:
+			address = MPC5XXX_PSC1;
+			irq = MPC5XXX_PSC1_IRQ;
+			break;
+		}
+		volatile struct mpc5xxx_psc *psc =
+		    (struct mpc5xxx_psc *)address;

board/inka4x0/inkadiag.c new file +16 -0

+		for (i = 0; i < len; ++i) {
+			ser_putc(psc, argv[3][i]);
+			printf("%c", ser_getc(psc));
+		}
+		printf("\n\n");
+	}
+	return 0;
+}
+
+#define BUZZER_GPT	(MPC5XXX_GPT + 0x60)	/* GPT6 */
+static void buzzer_turn_on(unsigned int freq)
+{
+	struct mpc5xxx_gpt *gpt = (struct mpc5xxx_gpt *)(BUZZER_GPT);
+
+	const u32 prescale = gd->ipb_clk / freq / 128;
+	const u32 count = 128;

board/inka4x0/inkadiag.c new file +8 -0

+	gpt->emsr = 0;
+}
+
+TEST_NAME(buzzer, "inkadiag buzzer");
+TEST_USAGE(buzzer, "Usage: %s\n\
+       <period> <freq> # turn buzzer on for period ms with freq hz\n\
+");
+

board/inka4x0/inkadiag.c new file +5 -0

+
+	printf("Buzzing for %d ms. Type ^C to abort!\n\n", period);
+
+	int i = 0;
+

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This patch adds diagnosis functions for the buzzer, UARTs and digital

board/inka4x0/inkadiag.c new file +0 -0

new file mode 100644
index 0000000..6194b58

board/inka4x0/inkadiag.c new file +9 -0

+static int io_helper(int argc, char *argv[])
+{
+	unsigned int state = inka_digin_get_input();
+	if (strcmp(argv[1], "drawer1") == 0) {
+		printf("exit code: 0x%X\n",
+		    (state & DIGIN_DRAWER_SW1) >> (ffs(DIGIN_DRAWER_SW1) - 1));
+	} else if (strcmp(argv[1], "drawer2") == 0) {
+		printf("exit code: 0x%X\n",
+		    (state & DIGIN_DRAWER_SW2) >> (ffs(DIGIN_DRAWER_SW2) - 1));

board/inka4x0/inkadiag.c new file +8 -0

+	if (strcmp(argv[2], "115200") == 0)
+		combrd = 1;
+	else if (strcmp(argv[2], "57600") == 0)
+		combrd = 2;
+	else if (strcmp(argv[2], "38400") == 0)
+		combrd = 3;
+	else if (strcmp(argv[2], "19200") == 0)
+		combrd = 6;

board/inka4x0/inkadiag.c new file +8 -0

+	default:
+		argc--;
+		argv++;
+		CHECK_TEST(io);
+		CHECK_TEST(serial);
+		CHECK_TEST(buzzer);
+	}
+	PRINT_TEST_USAGE(inkadiag);

Quoted 1 line

This patch adds diagnosis functions for the buzzer, UARTs and digital

Such hardware test code should be implemented as part of the POST system, i. e. please create a post/board/inka4x0/ directory for it, and make it part of the POST.