ARM: atmel: add sama5d4ek board support
The code for this board supports following features:
- Boot media support: NAND flash/SD card/SPI flash
- Support LCD display
- Support ethernet
- Support USB mass storage
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/include/asm/arch-at91/at91_pmc.h b/arch/arm/include/asm/arch-at91/at91_pmc.h
index e206b55..53b5b2e 100644
--- a/arch/arm/include/asm/arch-at91/at91_pmc.h
+++ b/arch/arm/include/asm/arch-at91/at91_pmc.h
@@ -78,7 +78,7 @@
#define AT91_PMC_PLLXR_DIV(x) (x & 0xFF)
#define AT91_PMC_PLLXR_PLLCOUNT(x) ((x & 0x3F) << 8)
#define AT91_PMC_PLLXR_OUT(x) ((x & 0x03) << 14)
-#ifdef CONFIG_SAMA5D3
+#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
#define AT91_PMC_PLLXR_MUL(x) ((x & 0x7F) << 18)
#else
#define AT91_PMC_PLLXR_MUL(x) ((x & 0x7FF) << 16)
@@ -97,7 +97,7 @@
#define AT91_PMC_MCKR_CSS_PLLB 0x00000003
#define AT91_PMC_MCKR_CSS_MASK 0x00000003
-#ifdef CONFIG_SAMA5D3
+#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
#define AT91_PMC_MCKR_PRES_1 0x00000000
#define AT91_PMC_MCKR_PRES_2 0x00000010
#define AT91_PMC_MCKR_PRES_4 0x00000020
@@ -126,7 +126,7 @@
#else
#define AT91_PMC_MCKR_MDIV_1 0x00000000
#define AT91_PMC_MCKR_MDIV_2 0x00000100
-#ifdef CONFIG_SAMA5D3
+#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
#define AT91_PMC_MCKR_MDIV_3 0x00000300
#endif
#define AT91_PMC_MCKR_MDIV_4 0x00000200
@@ -137,6 +137,8 @@
#define AT91_PMC_MCKR_PLLADIV_1 0x00000000
#define AT91_PMC_MCKR_PLLADIV_2 0x00001000
+#define AT91_PMC_MCKR_H32MXDIV 0x01000000
+
#define AT91_PMC_IXR_MOSCS 0x00000001
#define AT91_PMC_IXR_LOCKA 0x00000002
#define AT91_PMC_IXR_LOCKB 0x00000004
diff --git a/arch/arm/include/asm/arch-at91/clk.h b/arch/arm/include/asm/arch-at91/clk.h
index 4076a78..1d45e2d 100644
--- a/arch/arm/include/asm/arch-at91/clk.h
+++ b/arch/arm/include/asm/arch-at91/clk.h
@@ -10,6 +10,7 @@
#define __ASM_ARM_ARCH_CLK_H__
#include <asm/arch/hardware.h>
+#include <asm/arch/at91_pmc.h>
#include <asm/global_data.h>
static inline unsigned long get_cpu_clk_rate(void)
@@ -48,14 +49,34 @@
return gd->arch.at91_pllb_usb_init;
}
+#ifdef CPU_HAS_H32MXDIV
+static inline unsigned int get_h32mxdiv(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ return readl(&pmc->mckr) & AT91_PMC_MCKR_H32MXDIV;
+}
+#else
+static inline unsigned int get_h32mxdiv(void)
+{
+ return 0;
+}
+#endif
+
static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
{
- return get_mck_clk_rate();
+ if (get_h32mxdiv())
+ return get_mck_clk_rate() / 2;
+ else
+ return get_mck_clk_rate();
}
static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
{
- return get_mck_clk_rate();
+ if (get_h32mxdiv())
+ return get_mck_clk_rate() / 2;
+ else
+ return get_mck_clk_rate();
}
static inline unsigned long get_lcdc_clk_rate(unsigned int dev_id)
@@ -65,17 +86,34 @@
static inline unsigned long get_spi_clk_rate(unsigned int dev_id)
{
- return get_mck_clk_rate();
+ if (get_h32mxdiv())
+ return get_mck_clk_rate() / 2;
+ else
+ return get_mck_clk_rate();
}
static inline unsigned long get_twi_clk_rate(unsigned int dev_id)
{
- return get_mck_clk_rate();
+ if (get_h32mxdiv())
+ return get_mck_clk_rate() / 2;
+ else
+ return get_mck_clk_rate();
}
static inline unsigned long get_mci_clk_rate(void)
{
- return get_mck_clk_rate();
+ if (get_h32mxdiv())
+ return get_mck_clk_rate() / 2;
+ else
+ return get_mck_clk_rate();
+}
+
+static inline unsigned long get_pit_clk_rate(void)
+{
+ if (get_h32mxdiv())
+ return get_mck_clk_rate() / 2;
+ else
+ return get_mck_clk_rate();
}
int at91_clock_init(unsigned long main_clock);
diff --git a/arch/arm/include/asm/arch-at91/hardware.h b/arch/arm/include/asm/arch-at91/hardware.h
index d712a0d..bf0a1bd 100644
--- a/arch/arm/include/asm/arch-at91/hardware.h
+++ b/arch/arm/include/asm/arch-at91/hardware.h
@@ -27,6 +27,8 @@
# include <asm/arch/at91cap9.h>
#elif defined(CONFIG_SAMA5D3)
# include <asm/arch/sama5d3.h>
+#elif defined(CONFIG_SAMA5D4)
+# include <asm/arch/sama5d4.h>
#else
# error "Unsupported AT91 processor"
#endif
diff --git a/arch/arm/include/asm/arch-at91/sama5d4.h b/arch/arm/include/asm/arch-at91/sama5d4.h
new file mode 100644
index 0000000..d851568
--- /dev/null
+++ b/arch/arm/include/asm/arch-at91/sama5d4.h
@@ -0,0 +1,206 @@
+/*
+ * Chip-specific header file for the SAMA5D4 SoC
+ *
+ * Copyright (C) 2014 Atmel
+ * Bo Shen <voice.shen@atmel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SAMA5D4_H
+#define __SAMA5D4_H
+
+/*
+ * defines to be used in other places
+ */
+#define CONFIG_AT91FAMILY /* It's a member of AT91 */
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define ATMEL_ID_FIQ 0 /* FIQ Interrupt */
+#define ATMEL_ID_SYS 1 /* System Controller */
+#define ATMEL_ID_ARM 2 /* Performance Monitor Unit */
+#define ATMEL_ID_PIT 3 /* Periodic Interval Timer */
+#define ATMEL_ID_WDT 4 /* Watchdog timer */
+#define ATMEL_ID_PIOD 5 /* Parallel I/O Controller D */
+#define ATMEL_ID_USART0 6 /* USART 0 */
+#define ATMEL_ID_USART1 7 /* USART 1 */
+#define ATMEL_ID_DMA0 8 /* DMA Controller 0 */
+#define ATMEL_ID_ICM 9 /* Integrity Check Monitor */
+#define ATMEL_ID_PKCC 10 /* Public Key Crypto Controller */
+#define ATMEL_ID_AES 12 /* Advanced Encryption Standard */
+#define ATMEL_ID_AESB 13 /* AES Bridge*/
+#define ATMEL_ID_TDES 14 /* Triple Data Encryption Standard */
+#define ATMEL_ID_SHA 15 /* SHA Signature */
+#define ATMEL_ID_MPDDRC 16 /* MPDDR controller */
+#define ATMEL_ID_MATRIX1 17 /* H32MX, 32-bit AHB Matrix */
+#define ATMEL_ID_MATRIX0 18 /* H64MX, 64-bit AHB Matrix */
+#define ATMEL_ID_VDEC 19 /* Video Decoder */
+#define ATMEL_ID_SBM 20 /* Secure Box Module */
+#define ATMEL_ID_SMC 22 /* Multi-bit ECC interrupt */
+#define ATMEL_ID_PIOA 23 /* Parallel I/O Controller A */
+#define ATMEL_ID_PIOB 24 /* Parallel I/O Controller B */
+#define ATMEL_ID_PIOC 25 /* Parallel I/O Controller C */
+#define ATMEL_ID_PIOE 26 /* Parallel I/O Controller E */
+#define ATMEL_ID_UART0 27 /* UART 0 */
+#define ATMEL_ID_UART1 28 /* UART 1 */
+#define ATMEL_ID_USART2 29 /* USART 2 */
+#define ATMEL_ID_USART3 30 /* USART 3 */
+#define ATMEL_ID_USART4 31 /* USART 4 */
+#define ATMEL_ID_TWI0 32 /* Two-Wire Interface 0 */
+#define ATMEL_ID_TWI1 33 /* Two-Wire Interface 1 */
+#define ATMEL_ID_TWI2 34 /* Two-Wire Interface 2 */
+#define ATMEL_ID_MCI0 35 /* High Speed Multimedia Card Interface 0 */
+#define ATMEL_ID_MCI1 36 /* High Speed Multimedia Card Interface 1 */
+#define ATMEL_ID_SPI0 37 /* Serial Peripheral Interface 0 */
+#define ATMEL_ID_SPI1 38 /* Serial Peripheral Interface 1 */
+#define ATMEL_ID_SPI2 39 /* Serial Peripheral Interface 2 */
+#define ATMEL_ID_TC0 40 /* Timer Counter 0 (ch. 0, 1, 2) */
+#define ATMEL_ID_TC1 41 /* Timer Counter 1 (ch. 3, 4, 5) */
+#define ATMEL_ID_TC2 42 /* Timer Counter 2 (ch. 6, 7, 8) */
+#define ATMEL_ID_PWMC 43 /* Pulse Width Modulation Controller */
+#define ATMEL_ID_ADC 44 /* Touch Screen ADC Controller */
+#define ATMEL_ID_DBGU 45 /* Debug Unit Interrupt */
+#define ATMEL_ID_UHPHS 46 /* USB Host High Speed */
+#define ATMEL_ID_UDPHS 47 /* USB Device High Speed */
+#define ATMEL_ID_SSC0 48 /* Synchronous Serial Controller 0 */
+#define ATMEL_ID_SSC1 49 /* Synchronous Serial Controller 1 */
+#define ATMEL_ID_XDMAC1 50 /* DMA Controller 1 */
+#define ATMEL_ID_LCDC 51 /* LCD Controller */
+#define ATMEL_ID_ISI 52 /* Image Sensor Interface */
+#define ATMEL_ID_TRNG 53 /* True Random Number Generator */
+#define ATMEL_ID_GMAC0 54 /* Ethernet MAC 0 */
+#define ATMEL_ID_GMAC1 55 /* Ethernet MAC 1 */
+#define ATMEL_ID_IRQ 56 /* IRQ Interrupt ID */
+#define ATMEL_ID_SFC 57 /* Fuse Controller */
+#define ATMEL_ID_SECURAM 59 /* Secured RAM */
+#define ATMEL_ID_SMD 61 /* SMD Soft Modem */
+#define ATMEL_ID_TWI3 62 /* Two-Wire Interface 3 */
+#define ATMEL_ID_CATB 63 /* Capacitive Touch Controller */
+#define ATMEL_ID_SFR 64 /* Special Funcion Register */
+#define ATMEL_ID_AIC 65 /* Advanced Interrupt Controller */
+#define ATMEL_ID_SAIC 66 /* Secured Advanced Interrupt Controller */
+#define ATMEL_ID_L2CC 67 /* L2 Cache Controller */
+
+/*
+ * User Peripherals physical base addresses.
+ */
+#define ATMEL_BASE_LCDC 0xf0000000
+#define ATMEL_BASE_DMAC1 0xf0004000
+#define ATMEL_BASE_ISI 0xf0008000
+#define ATMEL_BASE_PKCC 0xf000C000
+#define ATMEL_BASE_MPDDRC 0xf0010000
+#define ATMEL_BASE_DMAC0 0xf0014000
+#define ATMEL_BASE_PMC 0xf0018000
+#define ATMEL_BASE_MATRIX0 0xf001c000
+#define ATMEL_BASE_AESB 0xf0020000
+/* Reserved: 0xf0024000 - 0xf8000000 */
+#define ATMEL_BASE_MCI0 0xf8000000
+#define ATMEL_BASE_UART0 0xf8004000
+#define ATMEL_BASE_SSC0 0xf8008000
+#define ATMEL_BASE_PWMC 0xf800c000
+#define ATMEL_BASE_SPI0 0xf8010000
+#define ATMEL_BASE_TWI0 0xf8014000
+#define ATMEL_BASE_TWI1 0xf8018000
+#define ATMEL_BASE_TC0 0xf801c000
+#define ATMEL_BASE_GMAC0 0xf8020000
+#define ATMEL_BASE_TWI2 0xf8024000
+#define ATMEL_BASE_SFR 0xf8028000
+#define ATMEL_BASE_USART0 0xf802c000
+#define ATMEL_BASE_USART1 0xf8030000
+/* Reserved: 0xf8034000 - 0xfc000000 */
+#define ATMEL_BASE_MCI1 0xfc000000
+#define ATMEL_BASE_UART1 0xfc004000
+#define ATMEL_BASE_USART2 0xfc008000
+#define ATMEL_BASE_USART3 0xfc00c000
+#define ATMEL_BASE_USART4 0xfc010000
+#define ATMEL_BASE_SSC1 0xfc014000
+#define ATMEL_BASE_SPI1 0xfc018000
+#define ATMEL_BASE_SPI2 0xfc01c000
+#define ATMEL_BASE_TC1 0xfc020000
+#define ATMEL_BASE_TC2 0xfc024000
+#define ATMEL_BASE_GMAC1 0xfc028000
+#define ATMEL_BASE_UDPHS 0xfc02c000
+#define ATMEL_BASE_TRNG 0xfc030000
+#define ATMEL_BASE_ADC 0xfc034000
+#define ATMEL_BASE_TWI3 0xfc038000
+
+#define ATMEL_BASE_SMC 0xfc05c000
+#define ATMEL_BASE_PMECC (ATMEL_BASE_SMC + 0x070)
+#define ATMEL_BASE_PMERRLOC (ATMEL_BASE_SMC + 0x500)
+
+#define ATMEL_BASE_PIOD 0xfc068000
+#define ATMEL_BASE_RSTC 0xfc068600
+#define ATMEL_BASE_PIT 0xfc068630
+#define ATMEL_BASE_WDT 0xfc068640
+
+#define ATMEL_BASE_DBGU 0xfc069000
+#define ATMEL_BASE_PIOA 0xfc06a000
+#define ATMEL_BASE_PIOB 0xfc06b000
+#define ATMEL_BASE_PIOC 0xfc06c000
+#define ATMEL_BASE_PIOE 0xfc06d000
+#define ATMEL_BASE_AIC 0xfc06e000
+
+/*
+ * Internal Memory.
+ */
+#define ATMEL_BASE_ROM 0x00000000 /* Internal ROM base address */
+#define ATMEL_BASE_NFC 0x00100000 /* NFC SRAM */
+#define ATMEL_BASE_SRAM 0x00200000 /* Internal ROM base address */
+#define ATMEL_BASE_VDEC 0x00300000 /* Video Decoder Controller */
+#define ATMEL_BASE_UDPHS_FIFO 0x00400000 /* USB Device HS controller */
+#define ATMEL_BASE_OHCI 0x00500000 /* USB Host controller (OHCI) */
+#define ATMEL_BASE_EHCI 0x00600000 /* USB Host controller (EHCI) */
+#define ATMEL_BASE_AXI 0x00700000
+#define ATMEL_BASE_DAP 0x00800000
+#define ATMEL_BASE_SMD 0x00900000
+
+/*
+ * External memory
+ */
+#define ATMEL_BASE_CS0 0x10000000
+#define ATMEL_BASE_DDRCS 0x20000000
+#define ATMEL_BASE_CS1 0x60000000
+#define ATMEL_BASE_CS2 0x70000000
+#define ATMEL_BASE_CS3 0x80000000
+
+/*
+ * Other misc defines
+ */
+#define ATMEL_PIO_PORTS 5
+#define CPU_HAS_PIO3
+#define PIO_SCDR_DIV 0x3fff
+#define CPU_HAS_PCR
+#define CPU_HAS_H32MXDIV
+
+/* sama5d4 series chip id definitions */
+#define ARCH_ID_SAMA5D4 0x8a5c07c0
+#define ARCH_EXID_SAMA5D41 0x00000001
+#define ARCH_EXID_SAMA5D42 0x00000002
+#define ARCH_EXID_SAMA5D43 0x00000003
+#define ARCH_EXID_SAMA5D44 0x00000004
+
+#define cpu_is_sama5d4() (get_chip_id() == ARCH_ID_SAMA5D4)
+#define cpu_is_sama5d41() (cpu_is_sama5d4() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D41))
+#define cpu_is_sama5d42() (cpu_is_sama5d4() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D42))
+#define cpu_is_sama5d43() (cpu_is_sama5d4() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D43))
+#define cpu_is_sama5d44() (cpu_is_sama5d4() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D44))
+
+/*
+ * No PMECC Galois table in ROM
+ */
+#define NO_GALOIS_TABLE_IN_ROM
+
+#ifndef __ASSEMBLY__
+unsigned int get_chip_id(void);
+unsigned int get_extension_chip_id(void);
+unsigned int has_lcdc(void);
+char *get_cpu_name(void);
+#endif
+
+#endif