path: root/recipes-bsp/at91bootstrap/at91bootstrap-3.8.12/at91bootstrap-3.8-mtr.patch

diff -aNru orig/board/at91sam9x5ek/at91sam9x5ek.c new/board/at91sam9x5ek/at91sam9x5ek.c
--- orig/board/at91sam9x5ek/at91sam9x5ek.c	2019-04-16 14:20:15.036823256 -0500
+++ new/board/at91sam9x5ek/at91sam9x5ek.c	2019-04-16 14:42:16.920784122 -0500
@@ -44,6 +44,31 @@
 #include "at91sam9x5ek.h"
 #include "board_hw_info.h"
 
+
+static void initialize_mt_gpio(void)
+{
+ 	/* Configure DBGU pins */
+	const struct pio_desc mt_gpio_pins[] = {
+		/* Misc. pins -- Pins PD15-PD18 belong to PERIPH
+		 * B A20-A25 until bootstrap shuts them down.
+                 * This code prevents these pins from being used
+                 * during boot, since we do not
+                 * need these pins to boot the system and we
+                 * do not want resets to toggle needlessly.
+		 */
+		{"PD15",AT91C_PIN_PD(15), 1, PIO_PULLUP, PIO_OUTPUT},
+		{"PD16",AT91C_PIN_PD(16), 1, PIO_PULLUP, PIO_OUTPUT},
+		{"PD17",AT91C_PIN_PD(17), 1, PIO_PULLUP, PIO_OUTPUT},
+		{"PD18",AT91C_PIN_PD(18), 1, PIO_PULLUP, PIO_OUTPUT},
+		{"PD19",AT91C_PIN_PD(19), 1, PIO_PULLUP, PIO_OUTPUT},
+		{"PD20IN",AT91C_PIN_PD(20), 0, PIO_PULLUP, PIO_INPUT},
+		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
+        };
+
+	pio_configure(mt_gpio_pins);
+}
+
+
 static void at91_dbgu_hw_init(void)
 {
 	/* Configure DBGU pins */
@@ -185,6 +210,9 @@
 	/* Init timer */
 	timer_init();
 
+        /* Initialize MT GPIO */
+        initialize_mt_gpio();
+
 	/* Initialize dbgu */
 	initialize_dbgu();
 
@@ -298,10 +326,8 @@
 
 	reg = readl(AT91C_BASE_CCFG + CCFG_EBICSA);
 	reg |= AT91C_EBI_CS3A_SM;
-	if (get_cm_rev() == 'A')
-		reg &= ~AT91C_EBI_NFD0_ON_D16;
-	else
-		reg |= (AT91C_EBI_DDR_MP_EN | AT91C_EBI_NFD0_ON_D16);
+	/* MTR */
+	reg |= (AT91C_EBI_DDR_MP_EN | AT91C_EBI_NFD0_ON_D16);
 
 	reg &= ~AT91C_EBI_DRV;
 	writel(reg, AT91C_BASE_CCFG + CCFG_EBICSA);
@@ -331,9 +357,7 @@
 		AT91C_BASE_SMC + SMC_CTRL3);
 
 	/* Configure the PIO controller */
-	if (get_cm_rev() == 'A')
-		pio_configure(nand_pins_lo);
-	else
+	/* MTR2 */
 		pio_configure(nand_pins_hi);
 
 	pmc_enable_periph_clock(AT91C_ID_PIOC_D);
diff -aNru orig/board/at91sam9x5ek/at91sam9x5ek.c.orig new/board/at91sam9x5ek/at91sam9x5ek.c.orig
--- orig/board/at91sam9x5ek/at91sam9x5ek.c.orig	1969-12-31 18:00:00.000000000 -0600
+++ new/board/at91sam9x5ek/at91sam9x5ek.c.orig	2019-04-16 14:20:15.036823256 -0500
@@ -0,0 +1,341 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "common.h"
+#include "hardware.h"
+#include "arch/at91_ccfg.h"
+#include "arch/at91_rstc.h"
+#include "arch/at91_pmc.h"
+#include "arch/at91_smc.h"
+#include "arch/at91_pio.h"
+#include "arch/at91_ddrsdrc.h"
+#include "gpio.h"
+#include "pmc.h"
+#include "usart.h"
+#include "debug.h"
+#include "ddramc.h"
+#include "timer.h"
+#include "watchdog.h"
+#include "string.h"
+#include "at91sam9x5ek.h"
+#include "board_hw_info.h"
+
+static void at91_dbgu_hw_init(void)
+{
+	/* Configure DBGU pins */
+	const struct pio_desc dbgu_pins[] = {
+		{"RXD", AT91C_PIN_PA(9), 0, PIO_DEFAULT, PIO_PERIPH_A},
+		{"TXD", AT91C_PIN_PA(10), 0, PIO_DEFAULT, PIO_PERIPH_A},
+		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
+	};
+
+	pmc_enable_periph_clock(AT91C_ID_PIOA_B);
+	pio_configure(dbgu_pins);
+}
+
+static void initialize_dbgu(void)
+{
+	at91_dbgu_hw_init();
+	usart_init(BAUDRATE(MASTER_CLOCK, BAUD_RATE));
+}
+
+#ifdef CONFIG_DDR2
+/* Using the Micron MT47H64M16HR-3 */
+static void ddramc_reg_config(struct ddramc_register *ddramc_config)
+{
+	ddramc_config->mdr = (AT91C_DDRC2_DBW_16_BITS
+			| AT91C_DDRC2_MD_DDR2_SDRAM);
+
+	ddramc_config->cr = (AT91C_DDRC2_NC_DDR10_SDR9 /* 10 column bits(1K) */
+			| AT91C_DDRC2_NR_13              /* 13 row bits (8K) */
+			| AT91C_DDRC2_CAS_3              /* CAS Latency 3 */
+			| AT91C_DDRC2_NB_BANKS_8         /* 8 banks */
+			| AT91C_DDRC2_DISABLE_RESET_DLL
+			| AT91C_DDRC2_DECOD_INTERLEAVED);/*Interleaved decode*/
+
+	/*
+	 * Make sure to uncomment the following line if the DDR controller
+	 * shares the EBI with another memory controller (SMC, NAND,..).
+	 * For instance, AT91C_DDRC2_EBISHARE shall be set if NAND flash
+	 * data line 0 is positioned on EBI data line 0 (AT91C_EBI_NFD0_ON_D16 bit
+	 * cleared in CCFG_EBICSA register).
+	 *
+	 * For Atmel AT91SAM9x5-EK revision B onwards, this AT91C_DDRC2_EBISHARE bit
+	 * is cleared because the NAND flash data line 0 is positioned on EBI
+	 * data line number 16 (AT91C_EBI_NFD0_ON_D16 bit set in CCFG_EBICSA
+	 * register). Only the DDR controller function is thus used on lower
+	 * EBI data lines.
+	 */
+	//ddramc_config->cr |= AT91C_DDRC2_EBISHARE;       /* DQM is shared with other controller */
+
+
+	/*
+	 * The DDR2-SDRAM device requires a refresh every 15.625 us or 7.81 us.
+	 * With a 133 MHz frequency, the refresh timer count register must to be
+	 * set with (15.625 x 133 MHz) ~ 2084 i.e. 0x824
+	 * or (7.81 x 133 MHz) ~ 1040 i.e. 0x410.
+	 */
+	ddramc_config->rtr = 0x411;     /* Refresh timer: 7.8125us */
+
+	/* One clock cycle @ 133 MHz = 7.5 ns */
+	ddramc_config->t0pr = (AT91C_DDRC2_TRAS_(6)	/* 6 * 7.5 = 45 ns */
+			| AT91C_DDRC2_TRCD_(2)		/* 2 * 7.5 = 22.5 ns */
+			| AT91C_DDRC2_TWR_(2)		/* 2 * 7.5 = 15   ns */
+			| AT91C_DDRC2_TRC_(8)		/* 8 * 7.5 = 75   ns */
+			| AT91C_DDRC2_TRP_(2)		/* 2 * 7.5 = 15   ns */
+			| AT91C_DDRC2_TRRD_(2)		/* 2 * 7.5 = 15   ns */
+			| AT91C_DDRC2_TWTR_(2)		/* 2 clock cycles min */
+			| AT91C_DDRC2_TMRD_(2));	/* 2 clock cycles */
+
+	ddramc_config->t1pr = (AT91C_DDRC2_TXP_(2)	/*  2 clock cycles */
+			| AT91C_DDRC2_TXSRD_(200)	/* 200 clock cycles */
+			| AT91C_DDRC2_TXSNR_(19)	/* 19 * 7.5 = 142.5 ns*/
+			| AT91C_DDRC2_TRFC_(18));	/* 18 * 7.5 = 135 ns */
+
+	ddramc_config->t2pr = (AT91C_DDRC2_TFAW_(7)	/* 7 * 7.5 = 52.5 ns */
+			| AT91C_DDRC2_TRTP_(2)		/* 2 clock cycles min */
+			| AT91C_DDRC2_TRPA_(3)		/* 3 * 7.5 = 22.5 ns */
+			| AT91C_DDRC2_TXARDS_(7)	/* 7 clock cycles */
+			| AT91C_DDRC2_TXARD_(2));	/* 2 clock cycles */
+}
+
+static void ddramc_init(void)
+{
+	unsigned long csa;
+	struct ddramc_register ddramc_reg;
+
+	ddramc_reg_config(&ddramc_reg);
+
+	/* ENABLE DDR2 clock */
+	pmc_enable_system_clock(AT91C_PMC_DDR);
+
+	/* Chip select 1 is for DDR2/SDRAM */
+	csa = readl(AT91C_BASE_CCFG + CCFG_EBICSA);
+	csa |= AT91C_EBI_CS1A_SDRAMC;
+	csa &= ~AT91C_EBI_DBPUC;
+	csa |= AT91C_EBI_DBPDC;
+	csa |= AT91C_EBI_DRV_HD;
+
+	writel(csa, AT91C_BASE_CCFG + CCFG_EBICSA);
+
+	/* DDRAM2 Controller initialize */
+	ddram_initialize(AT91C_BASE_DDRSDRC, AT91C_BASE_CS1, &ddramc_reg);
+}
+#endif	/* #ifdef CONFIG_DDR2 */
+
+static void one_wire_hw_init(void)
+{
+	const struct pio_desc wire_pio[] = {
+		{"1-Wire", AT91C_PIN_PB(18), 1, PIO_DEFAULT, PIO_OUTPUT},
+		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
+	};
+
+	pmc_enable_periph_clock(AT91C_ID_PIOA_B);
+	pio_configure(wire_pio);
+}
+
+#ifdef CONFIG_HW_INIT
+void hw_init(void)
+{
+	/* Disable watchdog */
+	at91_disable_wdt();
+
+	/*
+	 * At this stage the main oscillator is
+	 * supposed to be enabled PCK = MCK = MOSC
+	 */
+	pmc_init_pll(0);
+
+	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
+	pmc_cfg_plla(PLLA_SETTINGS);
+
+	/* Switch PCK/MCK on Main clock output */
+	pmc_cfg_mck(BOARD_PRESCALER_MAIN_CLOCK);
+
+	/* Switch PCK/MCK on PLLA output */
+	pmc_cfg_mck(BOARD_PRESCALER_PLLA);
+
+	/* Enable External Reset */
+	writel(AT91C_RSTC_KEY_UNLOCK | AT91C_RSTC_URSTEN, AT91C_BASE_RSTC + RSTC_RMR);
+
+	/* Init timer */
+	timer_init();
+
+	/* Initialize dbgu */
+	initialize_dbgu();
+
+#ifdef CONFIG_DDR2
+	/* Initialize DDRAM Controller */
+	ddramc_init();
+#endif
+	/* one wire pin init */
+	one_wire_hw_init();
+}
+#endif /* #ifdef CONFIG_HW_INIT */
+
+#ifdef CONFIG_DATAFLASH
+void at91_spi0_hw_init(void)
+{
+	/* Configure PINs for SPI0 */
+	const struct pio_desc spi0_pins[] = {
+		{"MISO",	AT91C_PIN_PA(11),	0, PIO_DEFAULT, PIO_PERIPH_A},
+		{"MOSI",	AT91C_PIN_PA(12),	0, PIO_DEFAULT, PIO_PERIPH_A},
+		{"SPCK",	AT91C_PIN_PA(13),	0, PIO_DEFAULT, PIO_PERIPH_A},
+		{"NPCS",	CONFIG_SYS_SPI_PCS,	1, PIO_DEFAULT, PIO_OUTPUT},
+		{(char *)0,	0, 0, PIO_DEFAULT, PIO_PERIPH_A},
+	};
+
+	pmc_enable_periph_clock(AT91C_ID_PIOA_B);
+	pio_configure(spi0_pins);
+
+	pmc_enable_periph_clock(AT91C_ID_SPI0);
+}
+#endif	/* #ifdef CONFIG_DATAFLASH */
+
+#ifdef CONFIG_SDCARD
+#ifdef CONFIG_OF_LIBFDT
+void at91_board_set_dtb_name(char *of_name)
+{
+	unsigned int cpu_board_id = get_cm_sn();
+	unsigned int disp_board_id = get_dm_sn();
+
+	if (cpu_board_id == BOARD_ID_SAM9G15_CM)
+		strcpy(of_name, "at91sam9g15ek");
+	else if (cpu_board_id == BOARD_ID_SAM9G25_CM)
+		strcpy(of_name, "at91sam9g25ek");
+	else if (cpu_board_id == BOARD_ID_SAM9G35_CM)
+		strcpy(of_name, "at91sam9g35ek");
+	else if (cpu_board_id == BOARD_ID_SAM9X25_CM)
+		strcpy(of_name, "at91sam9x25ek");
+	else if (cpu_board_id == BOARD_ID_SAM9X35_CM)
+		strcpy(of_name, "at91sam9x35ek");
+	else
+		dbg_info("WARNING: Not correct CPU board ID\n");
+
+	if (disp_board_id == BOARD_ID_PDA_DM)
+		strcat(of_name, "_pda");
+
+	strcat(of_name, ".dtb");
+}
+#endif
+
+void at91_mci0_hw_init(void)
+{
+	const struct pio_desc mci_pins[] = {
+		{"MCCK", AT91C_PIN_PA(17), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"MCCDA", AT91C_PIN_PA(16), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"MCDA0", AT91C_PIN_PA(15), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"MCDA1", AT91C_PIN_PA(18), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"MCDA2", AT91C_PIN_PA(19), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"MCDA3", AT91C_PIN_PA(20), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{(char *)0,	0, 0, PIO_DEFAULT, PIO_PERIPH_A},
+	};
+
+	/* Configure the PIO controller */
+	pmc_enable_periph_clock(AT91C_ID_PIOA_B);
+	pio_configure(mci_pins);
+
+	/* Enable the clock */
+	pmc_enable_periph_clock(AT91C_ID_HSMCI0);
+}
+#endif /* #ifdef CONFIG_SDCARD */
+
+#ifdef CONFIG_NANDFLASH
+void nandflash_hw_init(void)
+{
+	unsigned int reg;
+
+	/* Configure Nand PINs */
+	const struct pio_desc nand_pins_hi[] = {
+		{"NANDOE",	CONFIG_SYS_NAND_OE_PIN,		0, PIO_PULLUP, PIO_PERIPH_A},
+		{"NANDWE",	CONFIG_SYS_NAND_WE_PIN,		0, PIO_PULLUP, PIO_PERIPH_A},
+		{"NANDALE",	CONFIG_SYS_NAND_ALE_PIN,	0, PIO_PULLUP, PIO_PERIPH_A},
+		{"NANDCLE",	CONFIG_SYS_NAND_CLE_PIN,	0, PIO_PULLUP, PIO_PERIPH_A},
+		{"NANDCS",	CONFIG_SYS_NAND_ENABLE_PIN,	1, PIO_PULLUP, PIO_OUTPUT},
+		{"D0",	AT91C_PIN_PD(6), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"D1",	AT91C_PIN_PD(7), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"D2",	AT91C_PIN_PD(8), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"D3",	AT91C_PIN_PD(9), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"D4",	AT91C_PIN_PD(10), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"D5",	AT91C_PIN_PD(11), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"D6",	AT91C_PIN_PD(12), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{"D7",	AT91C_PIN_PD(13), 0, PIO_PULLUP, PIO_PERIPH_A},
+		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
+	};
+
+	const struct pio_desc nand_pins_lo[] = {
+		{"NANDOE",	CONFIG_SYS_NAND_OE_PIN,		0, PIO_PULLUP, PIO_PERIPH_A},
+		{"NANDWE",	CONFIG_SYS_NAND_WE_PIN,		0, PIO_PULLUP, PIO_PERIPH_A},
+		{"NANDALE",	CONFIG_SYS_NAND_ALE_PIN,	0, PIO_PULLUP, PIO_PERIPH_A},
+		{"NANDCLE",	CONFIG_SYS_NAND_CLE_PIN,	0, PIO_PULLUP, PIO_PERIPH_A},
+		{"NANDCS", 	CONFIG_SYS_NAND_ENABLE_PIN,	1, PIO_PULLUP, PIO_OUTPUT},
+		{(char *)0,	0, 0, PIO_DEFAULT, PIO_PERIPH_A},
+	};
+
+	reg = readl(AT91C_BASE_CCFG + CCFG_EBICSA);
+	reg |= AT91C_EBI_CS3A_SM;
+	if (get_cm_rev() == 'A')
+		reg &= ~AT91C_EBI_NFD0_ON_D16;
+	else
+		reg |= (AT91C_EBI_DDR_MP_EN | AT91C_EBI_NFD0_ON_D16);
+
+	reg &= ~AT91C_EBI_DRV;
+	writel(reg, AT91C_BASE_CCFG + CCFG_EBICSA);
+
+	/* Configure SMC CS3 */
+	writel((AT91C_SMC_NWESETUP_(1)
+		| AT91C_SMC_NCS_WRSETUP_(0)
+		| AT91C_SMC_NRDSETUP_(2)
+		| AT91C_SMC_NCS_RDSETUP_(0)),
+		AT91C_BASE_SMC + SMC_SETUP3);
+
+	writel((AT91C_SMC_NWEPULSE_(3)
+		| AT91C_SMC_NCS_WRPULSE_(5)
+		| AT91C_SMC_NRDPULSE_(4)
+		| AT91C_SMC_NCS_RDPULSE_(6)),
+		AT91C_BASE_SMC + SMC_PULSE3);
+
+	writel((AT91C_SMC_NWECYCLE_(5)
+		| AT91C_SMC_NRDCYCLE_(7)),
+		AT91C_BASE_SMC + SMC_CYCLE3);
+
+	writel((AT91C_SMC_READMODE
+		| AT91C_SMC_WRITEMODE
+		| AT91C_SMC_NWAITM_NWAIT_DISABLE
+		| AT91C_SMC_DBW_WIDTH_BITS_8
+		| AT91_SMC_TDF_(1)),
+		AT91C_BASE_SMC + SMC_CTRL3);
+
+	/* Configure the PIO controller */
+	if (get_cm_rev() == 'A')
+		pio_configure(nand_pins_lo);
+	else
+		pio_configure(nand_pins_hi);
+
+	pmc_enable_periph_clock(AT91C_ID_PIOC_D);
+}
+#endif /* #ifdef CONFIG_NANDFLASH */