diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-at91/at91_pmc.h | 8 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-at91/clk.h | 48 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-at91/hardware.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-at91/sama5d4.h | 206 |
4 files changed, 256 insertions, 8 deletions
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 @@ typedef struct at91_pmc { #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 @@ typedef struct at91_pmc { #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 @@ typedef struct at91_pmc { #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 @@ typedef struct at91_pmc { #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 @@ static inline u32 get_pllb_init(void) 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_lcdc_clk_rate(unsigned int dev_id) 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 |