[U-Boot] [PATCH v2 01/12] ARM: at91: Add sam9x60 soc
Tudor.Ambarus at microchip.com
Tudor.Ambarus at microchip.com
Mon Sep 23 08:58:44 UTC 2019
From: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun at microchip.com>
Add new Microchip sam9x60 SoC based on an ARM926.
Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun at microchip.com>
[tudor.ambarus at microchip.com: fix SFR definition]
Signed-off-by: Tudor Ambarus <tudor.ambarus at microchip.com>
---
arch/arm/mach-at91/Kconfig | 4 +
arch/arm/mach-at91/arm926ejs/Makefile | 1 +
arch/arm/mach-at91/arm926ejs/sam9x60_devices.c | 125 ++++++++++++++++++
arch/arm/mach-at91/include/mach/hardware.h | 2 +
arch/arm/mach-at91/include/mach/sam9x60.h | 169 +++++++++++++++++++++++++
5 files changed, 301 insertions(+)
create mode 100644 arch/arm/mach-at91/arm926ejs/sam9x60_devices.c
create mode 100644 arch/arm/mach-at91/include/mach/sam9x60.h
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 14343280793b..3cf13042b7b4 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -43,6 +43,10 @@ config AT91SAM9X5
bool
select CPU_ARM926EJS
+config SAM9X60
+ bool
+ select CPU_ARM926EJS
+
config SAMA5D2
bool
select CPU_V7A
diff --git a/arch/arm/mach-at91/arm926ejs/Makefile b/arch/arm/mach-at91/arm926ejs/Makefile
index 6b0b28957af5..8de6a2f9661e 100644
--- a/arch/arm/mach-at91/arm926ejs/Makefile
+++ b/arch/arm/mach-at91/arm926ejs/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_AT91SAM9M10G45) += at91sam9m10g45_devices.o
obj-$(CONFIG_AT91SAM9G45) += at91sam9m10g45_devices.o
obj-$(CONFIG_AT91SAM9N12) += at91sam9n12_devices.o
obj-$(CONFIG_AT91SAM9X5) += at91sam9x5_devices.o
+obj-$(CONFIG_SAM9X60) += sam9x60_devices.o
obj-$(CONFIG_AT91_EFLASH) += eflash.o
obj-$(CONFIG_AT91_LED) += led.o
obj-y += clock.o
diff --git a/arch/arm/mach-at91/arm926ejs/sam9x60_devices.c b/arch/arm/mach-at91/arm926ejs/sam9x60_devices.c
new file mode 100644
index 000000000000..d463bbc78863
--- /dev/null
+++ b/arch/arm/mach-at91/arm926ejs/sam9x60_devices.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries
+ */
+
+#include <common.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/io.h>
+
+unsigned int get_chip_id(void)
+{
+ /* The 0x40 is the offset of cidr in DBGU */
+ return readl(ATMEL_BASE_DBGU + 0x40) & ~ARCH_ID_VERSION_MASK;
+}
+
+unsigned int get_extension_chip_id(void)
+{
+ /* The 0x44 is the offset of exid in DBGU */
+ return readl(ATMEL_BASE_DBGU + 0x44);
+}
+
+unsigned int has_emac1(void)
+{
+ return cpu_is_sam9x60();
+}
+
+unsigned int has_emac0(void)
+{
+ return cpu_is_sam9x60();
+}
+
+unsigned int has_lcdc(void)
+{
+ return cpu_is_sam9x60();
+}
+
+char *get_cpu_name(void)
+{
+ unsigned int extension_id = get_extension_chip_id();
+
+ if (cpu_is_sam9x60()) {
+ switch (extension_id) {
+ case ARCH_EXID_SAM9X60:
+ return "SAM9X60";
+ default:
+ return "Unknown CPU type";
+ }
+ } else {
+ return "Unknown CPU type";
+ }
+}
+
+void at91_seriald_hw_init(void)
+{
+ at91_pio3_set_a_periph(AT91_PIO_PORTA, 9, 1); /* DRXD */
+ at91_pio3_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */
+
+ at91_periph_clk_enable(ATMEL_ID_DBGU);
+}
+
+void at91_mci_hw_init(void)
+{
+ /* Initialize the SDMMC0 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTA, 17, 1); /* CLK */
+ at91_pio3_set_a_periph(AT91_PIO_PORTA, 16, 1); /* CMD */
+ at91_pio3_set_a_periph(AT91_PIO_PORTA, 15, 1); /* DAT0 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTA, 18, 1); /* DAT1 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTA, 19, 1); /* DAT2 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTA, 20, 1); /* DAT3 */
+
+ at91_periph_clk_enable(ATMEL_ID_SDMMC0);
+}
+
+#ifdef CONFIG_MACB
+void at91_macb_hw_init(void)
+{
+ if (has_emac0()) {
+ /* Enable EMAC0 clock */
+ at91_periph_clk_enable(ATMEL_ID_EMAC0);
+ /* EMAC0 pins setup */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 4, 0); /* ETXCK */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 3, 0); /* ERXDV */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ERX0 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 1, 0); /* ERX1 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ERXER */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ETXEN */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ETX0 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 10, 0); /* ETX1 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 5, 0); /* EMDIO */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* EMDC */
+ }
+
+ if (has_emac1()) {
+ /* Enable EMAC1 clock */
+ at91_periph_clk_enable(ATMEL_ID_EMAC1);
+ /* EMAC1 pins setup */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 29, 0); /* ETXCK */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 28, 0); /* ECRSDV */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 20, 0); /* ERXO */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 21, 0); /* ERX1 */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 16, 0); /* ERXER */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 27, 0); /* ETXEN */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 18, 0); /* ETX0 */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 19, 0); /* ETX1 */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 31, 0); /* EMDIO */
+ at91_pio3_set_b_periph(AT91_PIO_PORTC, 30, 0); /* EMDC */
+ }
+
+#ifndef CONFIG_RMII
+ /* Only emac0 support MII */
+ if (has_emac0()) {
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* ECRS */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* ECOL */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ERX2 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 14, 0); /* ERX3 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 15, 0); /* ERXCK */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 11, 0); /* ETX2 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX3 */
+ at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ETXER */
+ }
+#endif
+}
+#endif
diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h
index 3a7752b999f6..88acca854998 100644
--- a/arch/arm/mach-at91/include/mach/hardware.h
+++ b/arch/arm/mach-at91/include/mach/hardware.h
@@ -22,6 +22,8 @@
# include <asm/arch/at91sam9g45.h>
#elif defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5)
# include <asm/arch/at91sam9x5.h>
+#elif defined(CONFIG_SAM9X60)
+# include <asm/arch/sam9x60.h>
#elif defined(CONFIG_SAMA5D2)
# include <asm/arch/sama5d2.h>
#elif defined(CONFIG_SAMA5D3)
diff --git a/arch/arm/mach-at91/include/mach/sam9x60.h b/arch/arm/mach-at91/include/mach/sam9x60.h
new file mode 100644
index 000000000000..0f00a9ae871e
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/sam9x60.h
@@ -0,0 +1,169 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Chip-specific header file for the SAM9X60 SoC.
+ *
+ * Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries
+ */
+
+#ifndef __SAM9X60_H__
+#define __SAM9X60_H__
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define ATMEL_ID_FIQ 0 /* Advanced Interrupt Controller */
+#define ATMEL_ID_SYS 1 /* System Controller Interrupt */
+#define ATMEL_ID_PIOA 2 /* Parallel I/O Controller A */
+#define ATMEL_ID_PIOB 3 /* Parallel I/O Controller B */
+#define ATMEL_ID_PIOC 4 /* Parallel I/O Controller C */
+#define ATMEL_ID_FLEXCOM0 5 /* FLEXCOM 0 */
+#define ATMEL_ID_FLEXCOM1 6 /* FLEXCOM 1 */
+#define ATMEL_ID_FLEXCOM2 7 /* FLEXCOM 2 */
+#define ATMEL_ID_FLEXCOM3 8 /* FLEXCOM 3 */
+#define ATMEL_ID_FLEXCOM6 9 /* FLEXCOM 6 */
+#define ATMEL_ID_FLEXCOM7 10 /* FLEXCOM 7 */
+#define ATMEL_ID_FLEXCOM8 11 /* FLEXCOM 8 */
+#define ATMEL_ID_SDMMC0 12 /* SDMMC 0 */
+#define ATMEL_ID_FLEXCOM4 13 /* FLEXCOM 4 */
+#define ATMEL_ID_FLEXCOM5 14 /* FLEXCOM 5 */
+#define ATMEL_ID_FLEXCOM9 15 /* FLEXCOM 9 */
+#define ATMEL_ID_FLEXCOM10 16 /* FLEXCOM 10 */
+#define ATMEL_ID_TC01 17 /* Timer Counter 0, 1, 2, 3, 4 and 5 */
+#define ATMEL_ID_PWM 18 /* Pulse Width Modulation Controller */
+#define ATMEL_ID_ADC 19 /* ADC Controller */
+#define ATMEL_ID_XDMAC0 20 /* XDMA Controller 0 */
+#define ATMEL_ID_MATRIX 21 /* BUS Matrix */
+#define ATMEL_ID_UHPHS 22 /* USB Host High Speed */
+#define ATMEL_ID_UDPHS 23 /* USB Device High Speed */
+#define ATMEL_ID_EMAC0 24 /* Ethernet MAC 0 */
+#define ATMEL_ID_LCDC 25 /* LCD Controller */
+#define ATMEL_ID_SDMMC1 26 /* SDMMC 1 */
+#define ATMEL_ID_EMAC1 27 /* Ethernet MAC `1 */
+#define ATMEL_ID_SSC 28 /* Synchronous Serial Controller */
+#define ATMEL_ID_IRQ 31 /* Advanced Interrupt Controller */
+#define ATMEL_ID_TRNG 38 /* True Random Number Generator */
+#define ATMEL_ID_PIOD 44 /* Parallel I/O Controller D */
+#define ATMEL_ID_DBGU 47 /* Debug unit */
+
+/*
+ * User Peripheral physical base addresses.
+ */
+#define ATMEL_BASE_FLEXCOM4 0xf0000000
+#define ATMEL_BASE_FLEXCOM5 0xf0004000
+#define ATMEL_BASE_XDMA0 0xf0008000
+#define ATMEL_BASE_SSC 0xf0010000
+#define ATMEL_BASE_QSPI 0xf0014000
+#define ATMEL_BASE_CAN0 0xf8000000
+#define ATMEL_BASE_CAN1 0xf8004000
+#define ATMEL_BASE_TC0 0xf8008000
+#define ATMEL_BASE_TC1 0xf8008040
+#define ATMEL_BASE_TC2 0xf8008080
+#define ATMEL_BASE_TC3 0xf800c000
+#define ATMEL_BASE_TC4 0xf800c040
+#define ATMEL_BASE_TC5 0xf800c080
+#define ATMEL_BASE_FLEXCOM6 0xf8010000
+#define ATMEL_BASE_FLEXCOM7 0xf8014000
+#define ATMEL_BASE_FLEXCOM8 0xf8018000
+#define ATMEL_BASE_FLEXCOM0 0xf801c000
+#define ATMEL_BASE_FLEXCOM1 0xf8020000
+#define ATMEL_BASE_FLEXCOM2 0xf8024000
+#define ATMEL_BASE_FLEXCOM3 0xf8028000
+#define ATMEL_BASE_EMAC0 0xf802c000
+#define ATMEL_BASE_EMAC1 0xf8030000
+#define ATMEL_BASE_PWM 0xf8034000
+#define ATMEL_BASE_LCDC 0xf8038000
+#define ATMEL_BASE_UDPHS 0xf803c000
+#define ATMEL_BASE_FLEXCOM9 0xf8040000
+#define ATMEL_BASE_FLEXCOM10 0xf8044000
+#define ATMEL_BASE_ISI 0xf8048000
+#define ATMEL_BASE_ADC 0xf804c000
+#define ATMEL_BASE_SFR 0xf8050000
+#define ATMEL_BASE_SYS 0xffffc000
+
+/*
+ * System Peripherals
+ */
+#define ATMEL_BASE_MATRIX 0xffffde00
+#define ATMEL_BASE_PMECC 0xffffe000
+#define ATMEL_BASE_PMERRLOC 0xffffe600
+#define ATMEL_BASE_MPDDRC 0xffffe800
+#define ATMEL_BASE_SMC 0xffffea00
+#define ATMEL_BASE_SDRAMC 0xffffec00
+#define ATMEL_BASE_AIC 0xfffff100
+#define ATMEL_BASE_DBGU 0xfffff200
+#define ATMEL_BASE_PIOA 0xfffff400
+#define ATMEL_BASE_PIOB 0xfffff600
+#define ATMEL_BASE_PIOC 0xfffff800
+#define ATMEL_BASE_PIOD 0xfffffa00
+#define ATMEL_BASE_PMC 0xfffffc00
+#define ATMEL_BASE_RSTC 0xfffffe00
+#define ATMEL_BASE_SHDWC 0xfffffe10
+#define ATMEL_BASE_PIT 0xfffffe40
+#define ATMEL_BASE_GPBR 0xfffffe60
+#define ATMEL_BASE_RTC 0xfffffea8
+#define ATMEL_BASE_WDT 0xffffff80
+
+/*
+ * Internal Memory.
+ */
+#define ATMEL_BASE_ROM 0x00100000 /* Internal ROM base address */
+#define ATMEL_BASE_SRAM 0x00300000 /* Internal SRAM base address */
+#define ATMEL_BASE_UDPHS_FIFO 0x00500000 /* USB Device HS controller */
+#define ATMEL_BASE_OHCI 0x00600000 /* USB Host controller (OHCI) */
+#define ATMEL_BASE_EHCI 0x00700000 /* USB Host controller (EHCI) */
+
+/*
+ * External memory
+ */
+#define ATMEL_BASE_CS0 0x10000000
+#define ATMEL_BASE_CS1 0x20000000
+#define ATMEL_BASE_CS2 0x30000000
+#define ATMEL_BASE_CS3 0x40000000
+#define ATMEL_BASE_CS4 0x50000000
+#define ATMEL_BASE_CS5 0x60000000
+#define ATMEL_BASE_SDMMC0 0x80000000
+#define ATMEL_BASE_SDMMC1 0x90000000
+
+/* 9x60 series chip id definitions */
+#define ARCH_ID_SAM9X60 0x819b35a0
+#define ARCH_ID_VERSION_MASK 0x1f
+#define ARCH_EXID_SAM9X60 0x00000000
+
+#define cpu_is_sam9x60() (get_chip_id() == ARCH_ID_SAM9X60)
+
+/*
+ * Cpu Name
+ */
+#define ATMEL_CPU_NAME get_cpu_name()
+
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTER 0xfffffe4c
+
+/*
+ * Other misc defines
+ */
+#define ATMEL_PIO_PORTS 4
+#define CPU_HAS_PCR
+#define CPU_NO_PLLB
+#define PLL_ID_PLLA 0
+#define PLL_ID_UPLL 1
+
+/*
+ * PMECC table in ROM
+ */
+#define ATMEL_PMECC_INDEX_OFFSET_512 0x8000
+#define ATMEL_PMECC_INDEX_OFFSET_1024 0x10000
+
+/*
+ * SAM9X60 specific prototypes
+ */
+#ifndef __ASSEMBLY__
+unsigned int get_chip_id(void);
+unsigned int get_extension_chip_id(void);
+unsigned int has_emac1(void);
+unsigned int has_emac0(void);
+unsigned int has_lcdc(void);
+char *get_cpu_name(void);
+#endif
+
+#endif
--
2.9.5
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