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![Alexander Dahl](/assets/img/avatar_default.png)
When introducing the SAMA5D27 SoCs, the SAMA5D2 series got an additional
chip id. The check if the cpu is sama5d2 was changed from a preprocessor
definition (inlining a call to 'get_chip_id()') to a C function,
probably to not call get_chip_id twice?
That however broke a check in the macb ethernet driver. That driver is
more generic and also used for other platforms. I suppose this solution
was implemented to use it in 'gem_is_gigabit_capable()', without having
to stricly depend on the at91 platform:
#ifndef cpu_is_sama5d2
#define cpu_is_sama5d2() 0
#endif
That only works as long as cpu_is_sama5d2 is a preprocessor definition.
(The same is still true for sama5d4 by the way.) So this is a straight
forward fix for the workaround.
The not working check on the SAMA5D2 CPU lead to an issue on a custom
board with a LAN8720A ethernet phy connected to the SoC:
=> dhcp
ethernet@f8008000: PHY present at 1
ethernet@f8008000: Starting autonegotiation...
ethernet@f8008000: Autonegotiation complete
ethernet@f8008000: link up, 1000Mbps full-duplex (lpa: 0xffff)
BOOTP broadcast 1
BOOTP broadcast 2
BOOTP broadcast 3
BOOTP broadcast 4
BOOTP broadcast 5
BOOTP broadcast 6
BOOTP broadcast 7
BOOTP broadcast 8
BOOTP broadcast 9
BOOTP broadcast 10
BOOTP broadcast 11
BOOTP broadcast 12
BOOTP broadcast 13
BOOTP broadcast 14
BOOTP broadcast 15
BOOTP broadcast 16
BOOTP broadcast 17
Retry time exceeded; starting again
Notice the wrong reported link speed, although both SoC and phy only
support 100 MBit/s!
The real issue on reliably detecting the features of that cadence
ethernet mac IP block, is probably more complicated, though.
Fixes: 245cbc583d
("ARM: at91: Get the Chip ID of SAMA5D2 SiP")
Signed-off-by: Alexander Dahl <ada@thorsis.com>
243 lines
9.1 KiB
C
243 lines
9.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Chip-specific header file for the SAMA5D2 SoC
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*
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* Copyright (C) 2015 Atmel
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* Wenyou Yang <wenyou.yang@atmel.com>
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*/
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#ifndef __SAMA5D2_H
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#define __SAMA5D2_H
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/*
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* Peripheral identifiers/interrupts.
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*/
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#define ATMEL_ID_FIQ 0 /* FIQ Interrupt ID */
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/* 1 */
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#define ATMEL_ID_ARM 2 /* Performance Monitor Unit */
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#define ATMEL_ID_PIT 3 /* Periodic Interval Timer Interrupt */
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#define ATMEL_ID_WDT 4 /* Watchdog Timer Interrupt */
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#define ATMEL_ID_GMAC 5 /* Ethernet MAC */
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#define ATMEL_ID_XDMAC0 6 /* DMA Controller 0 */
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#define ATMEL_ID_XDMAC1 7 /* DMA Controller 1 */
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#define ATMEL_ID_ICM 8 /* Integrity Check Monitor */
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#define ATMEL_ID_AES 9 /* Advanced Encryption Standard */
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#define ATMEL_ID_AESB 10 /* AES bridge */
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#define ATMEL_ID_TDES 11 /* Triple Data Encryption Standard */
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#define ATMEL_ID_SHA 12 /* SHA Signature */
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#define ATMEL_ID_MPDDRC 13 /* MPDDR Controller */
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#define ATMEL_ID_MATRIX1 14 /* H32MX, 32-bit AHB Matrix */
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#define ATMEL_ID_MATRIX0 15 /* H64MX, 64-bit AHB Matrix */
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#define ATMEL_ID_SECUMOD 16 /* Secure Module */
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#define ATMEL_ID_HSMC 17 /* Multi-bit ECC interrupt */
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#define ATMEL_ID_PIOA 18 /* Parallel I/O Controller A */
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#define ATMEL_ID_FLEXCOM0 19 /* FLEXCOM0 */
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#define ATMEL_ID_FLEXCOM1 20 /* FLEXCOM1 */
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#define ATMEL_ID_FLEXCOM2 21 /* FLEXCOM2 */
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#define ATMEL_ID_FLEXCOM3 22 /* FLEXCOM3 */
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#define ATMEL_ID_FLEXCOM4 23 /* FLEXCOM4 */
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#define ATMEL_ID_UART0 24 /* UART0 */
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#define ATMEL_ID_UART1 25 /* UART1 */
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#define ATMEL_ID_UART2 26 /* UART2 */
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#define ATMEL_ID_UART3 27 /* UART3 */
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#define ATMEL_ID_UART4 28 /* UART4 */
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#define ATMEL_ID_TWIHS0 29 /* Two-wire Interface 0 */
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#define ATMEL_ID_TWIHS1 30 /* Two-wire Interface 1 */
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#define ATMEL_ID_SDMMC0 31 /* Secure Data Memory Card Controller 0 */
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#define ATMEL_ID_SDMMC1 32 /* Secure Data Memory Card Controller 1 */
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#define ATMEL_ID_SPI0 33 /* Serial Peripheral Interface 0 */
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#define ATMEL_ID_SPI1 34 /* Serial Peripheral Interface 1 */
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#define ATMEL_ID_TC0 35 /* Timer Counter 0 (ch.0,1,2) */
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#define ATMEL_ID_TC1 36 /* Timer Counter 1 (ch.3,4,5) */
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/* 37 */
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#define ATMEL_ID_PWM 38 /* PWMController0 (ch. 0,1,2,3) */
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/* 39 */
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#define ATMEL_ID_ADC 40 /* Touch Screen ADC Controller */
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#define ATMEL_ID_UHPHS 41 /* USB Host High Speed */
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#define ATMEL_ID_UDPHS 42 /* USB Device High Speed */
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#define ATMEL_ID_SSC0 43 /* Serial Synchronous Controller 0 */
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#define ATMEL_ID_SSC1 44 /* Serial Synchronous Controller 1 */
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#define ATMEL_ID_LCDC 45 /* LCD Controller */
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#define ATMEL_ID_ISI 46 /* Image Sensor Controller, for A5D2, named after ISC */
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#define ATMEL_ID_TRNG 47 /* True Random Number Generator */
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#define ATMEL_ID_PDMIC 48 /* PDM Interface Controller */
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#define ATMEL_ID_AIC_IRQ 49 /* IRQ Interrupt ID */
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#define ATMEL_ID_SFC 50 /* Fuse Controller */
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#define ATMEL_ID_SECURAM 51 /* Secure RAM */
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#define ATMEL_ID_QSPI0 52 /* QSPI0 */
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#define ATMEL_ID_QSPI1 53 /* QSPI1 */
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#define ATMEL_ID_I2SC0 54 /* Inter-IC Sound Controller 0 */
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#define ATMEL_ID_I2SC1 55 /* Inter-IC Sound Controller 1 */
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#define ATMEL_ID_CAN0_INT0 56 /* MCAN 0 Interrupt0 */
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#define ATMEL_ID_CAN1_INT0 57 /* MCAN 1 Interrupt0 */
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/* 58 */
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#define ATMEL_ID_CLASSD 59 /* Audio Class D Amplifier */
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#define ATMEL_ID_SFR 60 /* Special Function Register */
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#define ATMEL_ID_SAIC 61 /* Secured AIC */
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#define ATMEL_ID_AIC 62 /* Advanced Interrupt Controller */
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#define ATMEL_ID_L2CC 63 /* L2 Cache Controller */
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#define ATMEL_ID_CAN0_INT1 64 /* MCAN 0 Interrupt1 */
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#define ATMEL_ID_CAN1_INT1 65 /* MCAN 1 Interrupt1 */
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#define ATMEL_ID_GMAC_Q1 66 /* GMAC Queue 1 Interrupt */
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#define ATMEL_ID_GMAC_Q2 67 /* GMAC Queue 2 Interrupt */
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#define ATMEL_ID_PIOB 68 /* Parallel I/O Controller B */
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#define ATMEL_ID_PIOC 69 /* Parallel I/O Controller C */
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#define ATMEL_ID_PIOD 70 /* Parallel I/O Controller D */
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#define ATMEL_ID_SDMMC0_TIMER 71 /* Secure Data Memory Card Controller 0 (TIMER) */
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#define ATMEL_ID_SDMMC1_TIMER 72 /* Secure Data Memory Card Controller 1 (TIMER) */
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/* 73 */
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#define ATMEL_ID_SYS 74 /* System Controller Interrupt */
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#define ATMEL_ID_ACC 75 /* Analog Comparator */
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#define ATMEL_ID_RXLP 76 /* UART Low-Power */
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#define ATMEL_ID_SFRBU 77 /* Special Function Register BackUp */
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#define ATMEL_ID_CHIPID 78 /* Chip ID */
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/*
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* User Peripherals physical base addresses.
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*/
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#define ATMEL_BASE_LCDC 0xf0000000
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#define ATMEL_BASE_XDMAC1 0xf0004000
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#define ATMEL_BASE_MPDDRC 0xf000c000
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#define ATMEL_BASE_XDMAC0 0xf0010000
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#define ATMEL_BASE_PMC 0xf0014000
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#define ATMEL_BASE_MATRIX0 0xf0018000
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#define ATMEL_BASE_QSPI0 0xf0020000
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#define ATMEL_BASE_QSPI1 0xf0024000
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#define ATMEL_BASE_SPI0 0xf8000000
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#define ATMEL_BASE_GMAC 0xf8008000
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#define ATMEL_BASE_TC0 0xf800c000
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#define ATMEL_BASE_TC1 0xf8010000
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#define ATMEL_BASE_HSMC 0xf8014000
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#define ATMEL_BASE_UART0 0xf801c000
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#define ATMEL_BASE_UART1 0xf8020000
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#define ATMEL_BASE_UART2 0xf8024000
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#define ATMEL_BASE_TWI0 0xf8028000
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#define ATMEL_BASE_SFR 0xf8030000
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#define ATMEL_BASE_SYSC 0xf8048000
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#define ATMEL_BASE_SPI1 0xfc000000
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#define ATMEL_BASE_UART3 0xfc008000
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#define ATMEL_BASE_UART4 0xfc00c000
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#define ATMEL_BASE_TWI1 0xfc028000
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#define ATMEL_BASE_UDPHS 0xfc02c000
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#define ATMEL_BASE_PIOA 0xfc038000
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#define ATMEL_BASE_MATRIX1 0xfc03c000
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#define ATMEL_CHIPID_CIDR 0xfc069000
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#define ATMEL_CHIPID_EXID 0xfc069004
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/*
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* Address Memory Space
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*/
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#define ATMEL_BASE_CS0 0x10000000
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#define ATMEL_BASE_DDRCS 0x20000000
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#define ATMEL_BASE_CS1 0x60000000
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#define ATMEL_BASE_CS2 0x70000000
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#define ATMEL_BASE_CS3 0x80000000
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#define ATMEL_BASE_QSPI0_AES_MEM 0x90000000
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#define ATMEL_BASE_QSPI1_AES_MEM 0x98000000
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#define ATMEL_BASE_SDMMC0 0xa0000000
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#define ATMEL_BASE_SDMMC1 0xb0000000
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#define ATMEL_BASE_QSPI0_MEM 0xd0000000
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#define ATMEL_BASE_QSPI1_MEM 0xd8000000
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/*
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* Internal Memories
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*/
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#define ATMEL_BASE_UDPHS_FIFO 0x00300000 /* USB Device HS controller */
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#define ATMEL_BASE_OHCI 0x00400000 /* USB Host controller (OHCI) */
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#define ATMEL_BASE_EHCI 0x00500000 /* USB Host controller (EHCI) */
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/*
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* SYSC Spawns
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*/
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#define ATMEL_BASE_RSTC ATMEL_BASE_SYSC
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#define ATMEL_BASE_SHDWC (ATMEL_BASE_SYSC + 0x10)
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#define ATMEL_BASE_PIT (ATMEL_BASE_SYSC + 0x30)
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#define ATMEL_BASE_WDT (ATMEL_BASE_SYSC + 0x40)
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#define ATMEL_BASE_SCKC (ATMEL_BASE_SYSC + 0x50)
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#define ATMEL_BASE_RTC (ATMEL_BASE_SYSC + 0xb0)
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/*
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* Other misc definitions
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*/
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#define ATMEL_BASE_PMECC (ATMEL_BASE_HSMC + 0x70)
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#define ATMEL_BASE_PMERRLOC (ATMEL_BASE_HSMC + 0x500)
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#define ATMEL_BASE_SMC (ATMEL_BASE_HSMC + 0x700)
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#define ATMEL_BASE_PIOB (ATMEL_BASE_PIOA + 0x40)
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#define ATMEL_BASE_PIOC (ATMEL_BASE_PIOB + 0x40)
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#define ATMEL_BASE_PIOD (ATMEL_BASE_PIOC + 0x40)
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#define ATMEL_PIO_PORTS 4
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#define CPU_HAS_PCR
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#define CPU_HAS_H32MXDIV
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/* AICREDIR Unlock Key */
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#define ATMEL_SFR_AICREDIR_KEY 0xB6D81C4D
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/* MATRIX0(H64MX) slave id definitions */
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#define H64MX_SLAVE_AXIMX_BRIDGE 0 /* Bridge from H64MX to AXIMX */
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#define H64MX_SLAVE_PERIPH_BRIDGE 1 /* H64MX Peripheral Bridge */
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#define H64MX_SLAVE_DDRC_PORT0 2 /* DDR2 Port0-AESOTF */
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#define H64MX_SLAVE_DDRC_PORT1 3 /* DDR2 Port1 */
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#define H64MX_SLAVE_DDRC_PORT2 4 /* DDR2 Port2 */
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#define H64MX_SLAVE_DDRC_PORT3 5 /* DDR2 Port3 */
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#define H64MX_SLAVE_DDRC_PORT4 6 /* DDR2 Port4 */
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#define H64MX_SLAVE_DDRC_PORT5 7 /* DDR2 Port5 */
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#define H64MX_SLAVE_DDRC_PORT6 8 /* DDR2 Port6 */
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#define H64MX_SLAVE_DDRC_PORT7 9 /* DDR2 Port7 */
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#define H64MX_SLAVE_SRAM 10 /* Internal SRAM 128K */
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#define H64MX_SLAVE_CACHE_L2 11 /* Internal SRAM 128K(L2) */
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#define H64MX_SLAVE_QSPI0 12 /* QSPI0 */
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#define H64MX_SLAVE_QSPI1 13 /* QSPI1 */
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#define H64MX_SLAVE_AESB 14 /* AESB */
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/* MATRIX1(H32MX) slave id definitions */
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#define H32MX_SLAVE_H64MX_BRIDGE 0 /* Bridge from H32MX to H64MX */
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#define H32MX_SLAVE_PERIPH_BRIDGE0 1 /* H32MX Peripheral Bridge 0 */
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#define H32MX_SLAVE_PERIPH_BRIDGE1 2 /* H32MX Peripheral Bridge 1 */
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#define H32MX_SLAVE_EBI 3 /* External Bus Interface */
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#define H32MX_SLAVE_NFC_CMD 3 /* NFC command Register */
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#define H32MX_SLAVE_NFC_SRAM 4 /* NFC SRAM */
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#define H32MX_SLAVE_USB 5 /* USB Device & Host */
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/* SAMA5D2 series chip id definitions */
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#define ARCH_ID_SAMA5D2 0x8a5c08c0
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#define ARCH_EXID_SAMA5D21CU 0x0000005a
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#define ARCH_EXID_SAMA5D22CU 0x00000059
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#define ARCH_EXID_SAMA5D22CN 0x00000069
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#define ARCH_EXID_SAMA5D23CU 0x00000058
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#define ARCH_EXID_SAMA5D24CX 0x00000004
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#define ARCH_EXID_SAMA5D24CU 0x00000014
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#define ARCH_EXID_SAMA5D26CU 0x00000012
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#define ARCH_EXID_SAMA5D27CU 0x00000011
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#define ARCH_EXID_SAMA5D27CN 0x00000021
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#define ARCH_EXID_SAMA5D28CU 0x00000010
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#define ARCH_EXID_SAMA5D28CN 0x00000020
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#define ARCH_ID_SAMA5D2_SIP 0x8a5c08c2
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#define ARCH_EXID_SAMA5D225C_D1M 0x00000053
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#define ARCH_EXID_SAMA5D27C_D5M 0x00000032
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#define ARCH_EXID_SAMA5D27C_D1G 0x00000033
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#define ARCH_EXID_SAMA5D28C_D1G 0x00000013
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/* Checked if defined in ethernet driver macb */
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#define cpu_is_sama5d2 _cpu_is_sama5d2
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/* PIT Timer(PIT_PIIR) */
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#define CONFIG_SYS_TIMER_COUNTER 0xf804803c
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/* No PMECC Galois table in ROM */
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#define NO_GALOIS_TABLE_IN_ROM
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#ifndef __ASSEMBLY__
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unsigned int get_chip_id(void);
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unsigned int get_extension_chip_id(void);
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int _cpu_is_sama5d2(void);
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unsigned int has_lcdc(void);
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char *get_cpu_name(void);
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#endif
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#endif
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