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Merge branch 'master' of git://git.denx.de/u-boot-atmel

This commit is contained in:
Tom Rini 2016-02-02 07:24:52 -05:00
parent 008e61f512 37dadbca0c
commit 161b1fe745
22 changed files with 465 additions and 82 deletions
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1
arch/arm/mach-at91/Kconfig
View File

@ -74,6 +74,7 @@ config TARGET_AT91SAM9X5EK
config TARGET_SAMA5D2_XPLAINED
bool "SAMA5D2 Xplained board"
select CPU_V7
select SUPPORT_SPL
config TARGET_SAMA5D3_XPLAINED
bool "SAMA5D3 Xplained board"

1
arch/arm/mach-at91/Makefile
View File

@ -9,6 +9,7 @@ obj-$(CONFIG_AT91SAM9G20) += sdram.o spl_at91.o
obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o
obj-$(CONFIG_AT91SAM9N12) += mpddrc.o spl_at91.o
obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o
obj-$(CONFIG_SAMA5D2) += mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o
obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
obj-y += spl.o

94
arch/arm/mach-at91/include/mach/atmel_mpddrc.h
View File

@ -2,31 +2,69 @@
* Copyright (C) 2013 Atmel Corporation
* Bo Shen <voice.shen@atmel.com>
*
* Copyright (C) 2015 Atmel Corporation
* Wenyou Yang <wenyou.yang@atmel.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ATMEL_MPDDRC_H__
#define __ATMEL_MPDDRC_H__
/*
* Only define the needed register in mpddr
* If other register needed, will add them later
*/
struct atmel_mpddr {
struct atmel_mpddrc_config {
u32 mr;
u32 rtr;
u32 cr;
u32 tpr0;
u32 tpr1;
u32 tpr2;
u32 reserved[2];
u32 md;
};
/*
* Only define the needed register in mpddr
* If other register needed, will add them later
*/
struct atmel_mpddr {
u32 mr; /* 0x00: Mode Register */
u32 rtr; /* 0x04: Refresh Timer Register */
u32 cr; /* 0x08: Configuration Register */
u32 tpr0; /* 0x0c: Timing Parameter 0 Register */
u32 tpr1; /* 0x10: Timing Parameter 1 Register */
u32 tpr2; /* 0x14: Timing Parameter 2 Register */
u32 reserved; /* 0x18: Reserved */
u32 lpr; /* 0x1c: Low-power Register */
u32 md; /* 0x20: Memory Device Register */
u32 reserved1; /* 0x24: Reserved */
u32 lpddr23_lpr; /* 0x28: LPDDR2-LPDDR3 Low-power Register*/
u32 cal_mr4; /* 0x2c: Calibration and MR4 Register */
u32 tim_cal; /* 0x30: Timing Calibration Register */
u32 io_calibr; /* 0x34: IO Calibration */
u32 ocms; /* 0x38: OCMS Register */
u32 ocms_key1; /* 0x3c: OCMS KEY1 Register */
u32 ocms_key2; /* 0x40: OCMS KEY2 Register */
u32 conf_arbiter; /* 0x44: Configuration Arbiter Register */
u32 timeout; /* 0x48: Timeout Port 0/1/2/3 Register */
u32 req_port0123; /* 0x4c: Request Port 0/1/2/3 Register */
u32 req_port4567; /* 0x50: Request Port 4/5/6/7 Register */
u32 bdw_port0123; /* 0x54: Bandwidth Port 0/1/2/3 Register */
u32 bdw_port4567; /* 0x58: Bandwidth Port 4/5/6/7 Register */
u32 rd_data_path; /* 0x5c: Read Datapath Register */
u32 reserved2[33];
u32 wpmr; /* 0xe4: Write Protection Mode Register */
u32 wpsr; /* 0xe8: Write Protection Status Register */
u32 reserved3[4];
u32 version; /* 0xfc: IP version */
};
int ddr2_init(const unsigned int base,
const unsigned int ram_address,
const struct atmel_mpddr *mpddr);
const struct atmel_mpddrc_config *mpddr_value);
int ddr3_init(const unsigned int base,
const unsigned int ram_address,
const struct atmel_mpddrc_config *mpddr_value);
/* Bit field in mode register */
#define ATMEL_MPDDRC_MR_MODE_NORMAL_CMD 0x0
@ -110,9 +148,51 @@ int ddr2_init(const unsigned int base,
/* Bit field in Memory Device Register */
#define ATMEL_MPDDRC_MD_LPDDR_SDRAM 0x3
#define ATMEL_MPDDRC_MD_DDR3_SDRAM 0x4
#define ATMEL_MPDDRC_MD_LPDDR3_SDRAM 0x5
#define ATMEL_MPDDRC_MD_DDR2_SDRAM 0x6
#define ATMEL_MPDDRC_MD_DBW_MASK (0x1 << 4)
#define ATMEL_MPDDRC_MD_DBW_32_BITS (0x0 << 4)
#define ATMEL_MPDDRC_MD_DBW_16_BITS (0x1 << 4)
/* Bit field in I/O Calibration Register */
#define ATMEL_MPDDRC_IO_CALIBR_RDIV 0x7
#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_34_3 0x1
#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_40 0x2
#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_48 0x3
#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_60 0x4
#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_80 0x6
#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_120 0x7
#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_35 0x2
#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_43 0x3
#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_52 0x4
#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_70 0x6
#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_105 0x7
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_37 0x2
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_44 0x3
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55 0x4
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_73 0x6
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_110 0x7
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_37 0x2
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_44 0x3
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55 0x4
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_73 0x6
#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_110 0x7
#define ATMEL_MPDDRC_IO_CALIBR_TZQIO 0x7f
#define ATMEL_MPDDRC_IO_CALIBR_TZQIO_(x) (((x) & 0x7f) << 8)
#define ATMEL_MPDDRC_IO_CALIBR_EN_CALIB (0x1 << 4)
/* Bit field in Read Data Path Register */
#define ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_SAMPLING 0x3
#define ATMEL_MPDDRC_RD_DATA_PATH_NO_SHIFT 0x0
#define ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_ONE_CYCLE 0x1
#define ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE 0x2
#define ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_THREE_CYCLE 0x3
#endif

32
arch/arm/mach-at91/include/mach/sama5d2.h
View File

@ -106,6 +106,7 @@
#define ATMEL_BASE_MPDDRC 0xf000c000
#define ATMEL_BASE_XDMAC0 0xf0010000
#define ATMEL_BASE_PMC 0xf0014000
#define ATMEL_BASE_MATRIX0 0xf0018000
#define ATMEL_BASE_QSPI0 0xf0020000
#define ATMEL_BASE_QSPI1 0xf0024000
#define ATMEL_BASE_SPI0 0xf8000000
@ -117,6 +118,7 @@
#define ATMEL_BASE_UART1 0xf8020000
#define ATMEL_BASE_UART2 0xf8024000
#define ATMEL_BASE_TWI0 0xf8028000
#define ATMEL_BASE_SFR 0xf8030000
#define ATMEL_BASE_SYSC 0xf8048000
#define ATMEL_BASE_SPI1 0xfc000000
#define ATMEL_BASE_UART3 0xfc008000
@ -125,6 +127,7 @@
#define ATMEL_BASE_UDPHS 0xfc02c000
#define ATMEL_BASE_PIOA 0xfc038000
#define ATMEL_BASE_MATRIX1 0xfc03c000
#define ATMEL_CHIPID_CIDR 0xfc069000
#define ATMEL_CHIPID_EXID 0xfc069004
@ -171,6 +174,35 @@
#define CPU_HAS_PCR
#define CPU_HAS_H32MXDIV
/* AICREDIR Unlock Key */
#define ATMEL_SFR_AICREDIR_KEY 0xB6D81C4D
/* MATRIX0(H64MX) slave id definitions */
#define H64MX_SLAVE_AXIMX_BRIDGE 0 /* Bridge from H64MX to AXIMX */
#define H64MX_SLAVE_PERIPH_BRIDGE 1 /* H64MX Peripheral Bridge */
#define H64MX_SLAVE_DDRC_PORT0 2 /* DDR2 Port0-AESOTF */
#define H64MX_SLAVE_DDRC_PORT1 3 /* DDR2 Port1 */
#define H64MX_SLAVE_DDRC_PORT2 4 /* DDR2 Port2 */
#define H64MX_SLAVE_DDRC_PORT3 5 /* DDR2 Port3 */
#define H64MX_SLAVE_DDRC_PORT4 6 /* DDR2 Port4 */
#define H64MX_SLAVE_DDRC_PORT5 7 /* DDR2 Port5 */
#define H64MX_SLAVE_DDRC_PORT6 8 /* DDR2 Port6 */
#define H64MX_SLAVE_DDRC_PORT7 9 /* DDR2 Port7 */
#define H64MX_SLAVE_SRAM 10 /* Internal SRAM 128K */
#define H64MX_SLAVE_CACHE_L2 11 /* Internal SRAM 128K(L2) */
#define H64MX_SLAVE_QSPI0 12 /* QSPI0 */
#define H64MX_SLAVE_QSPI1 13 /* QSPI1 */
#define H64MX_SLAVE_AESB 14 /* AESB */
/* MATRIX1(H32MX) slave id definitions */
#define H32MX_SLAVE_H64MX_BRIDGE 0 /* Bridge from H32MX to H64MX */
#define H32MX_SLAVE_PERIPH_BRIDGE0 1 /* H32MX Peripheral Bridge 0 */
#define H32MX_SLAVE_PERIPH_BRIDGE1 2 /* H32MX Peripheral Bridge 1 */
#define H32MX_SLAVE_EBI 3 /* External Bus Interface */
#define H32MX_SLAVE_NFC_CMD 3 /* NFC command Register */
#define H32MX_SLAVE_NFC_SRAM 4 /* NFC SRAM */
#define H32MX_SLAVE_USB 5 /* USB Device & Host */
/* SAMA5D2 series chip id definitions */
#define ARCH_ID_SAMA5D2 0x8a5c08c0
#define ARCH_EXID_SAMA5D21CU 0x0000005a

107
arch/arm/mach-at91/mpddrc.c
View File

@ -2,6 +2,9 @@
* Copyright (C) 2013 Atmel Corporation
* Bo Shen <voice.shen@atmel.com>
*
* Copyright (C) 2015 Atmel Corporation
* Wenyou Yang <wenyou.yang@atmel.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
@ -9,6 +12,8 @@
#include <asm/io.h>
#include <asm/arch/atmel_mpddrc.h>
#define SAMA5D3_MPDDRC_VERSION 0x140
static inline void atmel_mpddr_op(const struct atmel_mpddr *mpddr,
int mode,
u32 ram_address)
@ -17,20 +22,22 @@ static inline void atmel_mpddr_op(const struct atmel_mpddr *mpddr,
writel(0, ram_address);
}
static int ddr2_decodtype_is_seq(u32 cr)
static int ddr2_decodtype_is_seq(const unsigned int base, u32 cr)
{
#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12)
if (cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED)
struct atmel_mpddr *mpddr = (struct atmel_mpddr *)base;
u16 version = readl(&mpddr->version) & 0xffff;
if ((version >= SAMA5D3_MPDDRC_VERSION) &&
(cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED))
return 0;
#endif
return 1;
}
int ddr2_init(const unsigned int base,
const unsigned int ram_address,
const struct atmel_mpddr *mpddr_value)
const struct atmel_mpddrc_config *mpddr_value)
{
const struct atmel_mpddr *mpddr = (struct atmel_mpddr *)base;
@ -38,7 +45,7 @@ int ddr2_init(const unsigned int base,
/* Compute bank offset according to NC in configuration register */
ba_off = (mpddr_value->cr & ATMEL_MPDDRC_CR_NC_MASK) + 9;
if (ddr2_decodtype_is_seq(mpddr_value->cr))
if (ddr2_decodtype_is_seq(base, mpddr_value->cr))
ba_off += ((mpddr_value->cr & ATMEL_MPDDRC_CR_NR_MASK) >> 2) + 11;
ba_off += (mpddr_value->md & ATMEL_MPDDRC_MD_DBW_MASK) ? 1 : 2;
@ -135,3 +142,89 @@ int ddr2_init(const unsigned int base,
return 0;
}
int ddr3_init(const unsigned int base,
const unsigned int ram_address,
const struct atmel_mpddrc_config *mpddr_value)
{
struct atmel_mpddr *mpddr = (struct atmel_mpddr *)base;
u32 ba_off;
/* Compute bank offset according to NC in configuration register */
ba_off = (mpddr_value->cr & ATMEL_MPDDRC_CR_NC_MASK) + 9;
if (ddr2_decodtype_is_seq(base, mpddr_value->cr))
ba_off += ((mpddr_value->cr &
ATMEL_MPDDRC_CR_NR_MASK) >> 2) + 11;
ba_off += (mpddr_value->md & ATMEL_MPDDRC_MD_DBW_MASK) ? 1 : 2;
/* Program the memory device type */
writel(mpddr_value->md, &mpddr->md);
/*
* Program features of the DDR3-SDRAM device and timing parameters
*/
writel(mpddr_value->cr, &mpddr->cr);
writel(mpddr_value->tpr0, &mpddr->tpr0);
writel(mpddr_value->tpr1, &mpddr->tpr1);
writel(mpddr_value->tpr2, &mpddr->tpr2);
/* A NOP command is issued to the DDR3-SRAM */
atmel_mpddr_op(mpddr, ATMEL_MPDDRC_MR_MODE_NOP_CMD, ram_address);
/* A pause of at least 500us must be observed before a single toggle. */
udelay(500);
/* A NOP command is issued to the DDR3-SDRAM */
atmel_mpddr_op(mpddr, ATMEL_MPDDRC_MR_MODE_NOP_CMD, ram_address);
/*
* An Extended Mode Register Set (EMRS2) cycle is issued to choose
* between commercial or high temperature operations.
*/
atmel_mpddr_op(mpddr, ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD,
ram_address + (0x2 << ba_off));
/*
* Step 7: An Extended Mode Register Set (EMRS3) cycle is issued to set
* the Extended Mode Register to 0.
*/
atmel_mpddr_op(mpddr, ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD,
ram_address + (0x3 << ba_off));
/*
* An Extended Mode Register Set (EMRS1) cycle is issued to disable and
* to program O.D.S. (Output Driver Strength).
*/
atmel_mpddr_op(mpddr, ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD,
ram_address + (0x1 << ba_off));
/*
* Write a one to the DLL bit (enable DLL reset) in the MPDDRC
* Configuration Register.
*/
/* A Mode Register Set (MRS) cycle is issued to reset DLL. */
atmel_mpddr_op(mpddr, ATMEL_MPDDRC_MR_MODE_LMR_CMD, ram_address);
udelay(50);
/*
* A Calibration command (MRS) is issued to calibrate RTT and RON
* values for the Process Voltage Temperature (PVT).
*/
atmel_mpddr_op(mpddr, ATMEL_MPDDRC_MR_MODE_DEEP_CMD, ram_address);
/* A Normal Mode command is provided. */
atmel_mpddr_op(mpddr, ATMEL_MPDDRC_MR_MODE_NORMAL_CMD, ram_address);
/* Perform a write access to any DDR3-SDRAM address. */
writel(0, ram_address);
/*
* Write the refresh rate into the COUNT field in the MPDDRC
* Refresh Timer Register (MPDDRC_RTR):
*/
writel(mpddr_value->rtr, &mpddr->rtr);
return 0;
}

4
board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
View File

@ -97,7 +97,7 @@ void at91_spl_board_init(void)
}
#include <asm/arch/atmel_mpddrc.h>
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -131,7 +131,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
ddr2_conf(&ddr2);

4
board/atmel/at91sam9n12ek/at91sam9n12ek.c
View File

@ -274,7 +274,7 @@ void at91_spl_board_init(void)
}
#include <asm/arch/atmel_mpddrc.h>
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -310,7 +310,7 @@ void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
unsigned long csa;
ddr2_conf(&ddr2);

4
board/atmel/at91sam9x5ek/at91sam9x5ek.c
View File

@ -310,7 +310,7 @@ void at91_spl_board_init(void)
}
#include <asm/arch/atmel_mpddrc.h>
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -347,7 +347,7 @@ void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
unsigned long csa;
ddr2_conf(&ddr2);

103
board/atmel/sama5d2_xplained/sama5d2_xplained.c
View File

@ -17,6 +17,7 @@
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/atmel_pio4.h>
#include <asm/arch/atmel_mpddrc.h>
#include <asm/arch/atmel_usba_udc.h>
#include <asm/arch/atmel_sdhci.h>
#include <asm/arch/clk.h>
@ -281,3 +282,105 @@ int board_eth_init(bd_t *bis)
return rc;
}
/* SPL */
#ifdef CONFIG_SPL_BUILD
void spl_board_init(void)
{
#ifdef CONFIG_SYS_USE_SERIALFLASH
board_spi0_hw_init();
#endif
#ifdef CONFIG_ATMEL_SDHCI
#ifdef CONFIG_ATMEL_SDHCI0
board_sdhci0_hw_init();
#endif
#ifdef CONFIG_ATMEL_SDHCI1
board_sdhci1_hw_init();
#endif
#endif
}
static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
{
ddrc->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR3_SDRAM);
ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
ATMEL_MPDDRC_CR_NR_ROW_14 |
ATMEL_MPDDRC_CR_CAS_DDR_CAS5 |
ATMEL_MPDDRC_CR_DIC_DS |
ATMEL_MPDDRC_CR_DIS_DLL |
ATMEL_MPDDRC_CR_NB_8BANKS |
ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
ddrc->rtr = 0x511;
ddrc->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
4 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
4 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
ddrc->tpr1 = (27 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET |
29 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
0 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET);
ddrc->tpr2 = (0 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET |
0 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET);
}
void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC;
struct atmel_mpddrc_config ddrc_config;
u32 reg;
ddrc_conf(&ddrc_config);
at91_periph_clk_enable(ATMEL_ID_MPDDRC);
writel(AT91_PMC_DDR, &pmc->scer);
reg = readl(&mpddrc->io_calibr);
reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV;
reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55;
reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO;
reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(100);
writel(reg, &mpddrc->io_calibr);
writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE,
&mpddrc->rd_data_path);
ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config);
writel(0x3, &mpddrc->cal_mr4);
writel(64, &mpddrc->tim_cal);
}
void at91_pmc_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
u32 tmp;
tmp = AT91_PMC_PLLAR_29 |
AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
AT91_PMC_PLLXR_MUL(82) |
AT91_PMC_PLLXR_DIV(1);
at91_plla_init(tmp);
writel(0x0 << 8, &pmc->pllicpr);
tmp = AT91_PMC_MCKR_H32MXDIV |
AT91_PMC_MCKR_PLLADIV_2 |
AT91_PMC_MCKR_MDIV_3 |
AT91_PMC_MCKR_CSS_PLLA;
at91_mck_init(tmp);
}
#endif

4
board/atmel/sama5d3_xplained/sama5d3_xplained.c
View File

@ -143,7 +143,7 @@ void spl_board_init(void)
#endif
}
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -185,7 +185,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
ddr2_conf(&ddr2);

4
board/atmel/sama5d3xek/sama5d3xek.c
View File

@ -402,7 +402,7 @@ void spl_board_init(void)
#endif
}
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -444,7 +444,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
ddr2_conf(&ddr2);

4
board/atmel/sama5d4_xplained/sama5d4_xplained.c
View File

@ -346,7 +346,7 @@ void spl_board_init(void)
#endif
}
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -384,7 +384,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
ddr2_conf(&ddr2);

4
board/atmel/sama5d4ek/sama5d4ek.c
View File

@ -342,7 +342,7 @@ void spl_board_init(void)
#endif
}
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -380,7 +380,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
ddr2_conf(&ddr2);

4
board/mini-box/picosam9g45/picosam9g45.c
View File

@ -47,7 +47,7 @@ void at91_spl_board_init(void)
}
#include <asm/arch/atmel_mpddrc.h>
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -82,7 +82,7 @@ void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct at91_matrix *mat = (struct at91_matrix *)ATMEL_BASE_MATRIX;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
unsigned long csa;
ddr2_conf(&ddr2);

4
board/siemens/corvus/board.c
View File

@ -114,7 +114,7 @@ void spl_board_init(void)
}
#include <asm/arch/atmel_mpddrc.h>
static void ddr2_conf(struct atmel_mpddr *ddr2)
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
@ -148,7 +148,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
void mem_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
struct atmel_mpddr ddr2;
struct atmel_mpddrc_config ddr2;
ddr2_conf(&ddr2);

1
configs/sama5d2_xplained_mmc_defconfig
View File

@ -1,6 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_AT91=y
CONFIG_TARGET_SAMA5D2_XPLAINED=y
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_MMC"
# CONFIG_CMD_IMI is not set
# CONFIG_CMD_IMLS is not set

1
configs/sama5d2_xplained_spiflash_defconfig
View File

@ -1,6 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_AT91=y
CONFIG_TARGET_SAMA5D2_XPLAINED=y
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_SERIALFLASH"
# CONFIG_CMD_IMI is not set
# CONFIG_CMD_IMLS is not set

15
drivers/mmc/gen_atmel_mci.c
View File

@ -36,6 +36,7 @@ struct atmel_mci_priv {
struct mmc_config cfg;
struct atmel_mci *mci;
unsigned int initialized:1;
unsigned int curr_clk;
};
/* Read Atmel MCI IP version */
@ -91,7 +92,10 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen)
}
}
if (version >= 0x500)
priv->curr_clk = bus_hz / (clkdiv * 2 + clkodd + 2);
else
priv->curr_clk = (bus_hz / (clkdiv + 1)) / 2;
blklen &= 0xfffc;
mr = MMCI_BF(CLKDIV, clkdiv);
@ -118,8 +122,6 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen)
if (mmc->card_caps & mmc->cfg->host_caps & MMC_MODE_HS)
writel(MMCI_BIT(HSMODE), &mci->cfg);
udelay(50);
priv->initialized = 1;
}
@ -323,6 +325,13 @@ mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
}
}
/*
* After the switch command, wait for 8 clocks before the next
* command
*/
if (cmd->cmdidx == MMC_CMD_SWITCH)
udelay(8*1000000 / priv->curr_clk); /* 8 clk in us */
return 0;
}

60
drivers/mtd/nand/atmel_nand.c
View File

@ -80,6 +80,7 @@ static struct nand_ecclayout atmel_pmecc_oobinfo;
* 8-bits 13-bytes 14-bytes
* 12-bits 20-bytes 21-bytes
* 24-bits 39-bytes 42-bytes
* 32-bits 52-bytes 56-bytes
*/
static int pmecc_get_ecc_bytes(int cap, int sector_size)
{
@ -638,6 +639,9 @@ static void atmel_pmecc_core_init(struct mtd_info *mtd)
case 24:
val = PMECC_CFG_BCH_ERR24;
break;
case 32:
val = PMECC_CFG_BCH_ERR32;
break;
}
if (host->pmecc_sector_size == 512)
@ -676,34 +680,6 @@ static void atmel_pmecc_core_init(struct mtd_info *mtd)
}
#ifdef CONFIG_SYS_NAND_ONFI_DETECTION
/*
* get_onfi_ecc_param - Get ECC requirement from ONFI parameters
* @ecc_bits: store the ONFI ECC correct bits capbility
* @sector_size: in how many bytes that ONFI require to correct @ecc_bits
*
* Returns -1 if ONFI parameters is not supported. In this case @ecc_bits,
* @sector_size are initialize to 0.
* Return 0 if success to get the ECC requirement.
*/
static int get_onfi_ecc_param(struct nand_chip *chip,
int *ecc_bits, int *sector_size)
{
*ecc_bits = *sector_size = 0;
if (chip->onfi_params.ecc_bits == 0xff)
/* TODO: the sector_size and ecc_bits need to be find in
* extended ecc parameter, currently we don't support it.
*/
return -1;
*ecc_bits = chip->onfi_params.ecc_bits;
/* The default sector size (ecc codeword size) is 512 */
*sector_size = 512;
return 0;
}
/*
* pmecc_choose_ecc - Get ecc requirement from ONFI parameters. If
* pmecc_corr_cap or pmecc_sector_size is 0, then set it as
@ -724,17 +700,15 @@ static int pmecc_choose_ecc(struct atmel_nand_host *host,
/* Get ECC requirement from ONFI parameters */
*cap = *sector_size = 0;
if (chip->onfi_version) {
if (!get_onfi_ecc_param(chip, cap, sector_size)) {
MTDDEBUG(MTD_DEBUG_LEVEL1, "ONFI params, minimum required ECC: %d bits in %d bytes\n",
*cap, *sector_size);
} else {
dev_info(host->dev, "NAND chip ECC reqirement is in Extended ONFI parameter, we don't support yet.\n");
}
} else {
dev_info(host->dev, "NAND chip is not ONFI compliant, assume ecc_bits is 2 in 512 bytes");
*cap = chip->ecc_strength_ds;
*sector_size = chip->ecc_step_ds;
MTDDEBUG(MTD_DEBUG_LEVEL1, "ONFI params, minimum required ECC: %d bits in %d bytes\n",
*cap, *sector_size);
}
if (*cap == 0 && *sector_size == 0) {
/* Non-ONFI compliant or use extended ONFI parameters */
/* Non-ONFI compliant */
dev_info(host->dev, "NAND chip is not ONFI compliant, assume ecc_bits is 2 in 512 bytes\n");
*cap = 2;
*sector_size = 512;
}
@ -753,7 +727,11 @@ static int pmecc_choose_ecc(struct atmel_nand_host *host,
else if (*cap <= 24)
host->pmecc_corr_cap = 24;
else
return -EINVAL;
#ifdef CONFIG_SAMA5D2
host->pmecc_corr_cap = 32;
#else
host->pmecc_corr_cap = 24;
#endif
}
if (host->pmecc_sector_size == 0) {
/* use the most fitable sector size (the near smaller one ) */
@ -851,8 +829,8 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
* from ONFI.
*/
if (pmecc_choose_ecc(host, nand, &cap, &sector_size)) {
dev_err(host->dev, "The NAND flash's ECC requirement(ecc_bits: %d, sector_size: %d) are not support!",
cap, sector_size);
dev_err(host->dev, "Required ECC %d bits in %d bytes not supported!\n",
cap, sector_size);
return -EINVAL;
}
@ -931,7 +909,7 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
return -EINVAL;
}
if (nand->ecc.bytes > mtd->oobsize - 2) {
if (nand->ecc.bytes > mtd->oobsize - PMECC_OOB_RESERVED_BYTES) {
dev_err(host->dev, "No room for ECC bytes\n");
return -EINVAL;
}

36
drivers/mtd/nand/atmel_nand_ecc.h
View File

@ -58,14 +58,23 @@ struct pmecc_regs {
/* 0x40 + sector_num * (0x40), Redundancy Registers */
struct {
#ifdef CONFIG_SAMA5D2
u8 ecc[56]; /* PMECC Generated Redundancy Byte Per Sector */
u32 reserved1[2];
#else
u8 ecc[44]; /* PMECC Generated Redundancy Byte Per Sector */
u32 reserved1[5];
#endif
} ecc_port[PMECC_MAX_SECTOR_NUM];
/* 0x240 + sector_num * (0x40) Remainder Registers */
struct {
#ifdef CONFIG_SAMA5D2
u32 rem[16];
#else
u32 rem[12];
u32 reserved2[4];
#endif
} rem_port[PMECC_MAX_SECTOR_NUM];
u32 reserved3[16]; /* 0x440-0x47C Reserved */
};
@ -76,6 +85,7 @@ struct pmecc_regs {
#define PMECC_CFG_BCH_ERR8 (2 << 0)
#define PMECC_CFG_BCH_ERR12 (3 << 0)
#define PMECC_CFG_BCH_ERR24 (4 << 0)
#define PMECC_CFG_BCH_ERR32 (5 << 0)
#define PMECC_CFG_SECTOR512 (0 << 4)
#define PMECC_CFG_SECTOR1024 (1 << 4)
@ -120,19 +130,31 @@ struct pmecc_errloc_regs {
u32 elimr; /* 0x0C Error Location Interrupt Mask Register */
u32 elisr; /* 0x20 Error Location Interrupt Status Register */
u32 reserved0; /* 0x24 Reserved */
#ifdef CONFIG_SAMA5D2
u32 sigma[33]; /* 0x28-0xA8 Error Location Sigma Registers */
u32 el[32]; /* 0xAC-0x128 Error Location Registers */
/*
* 0x12C-0x1FC:
* Reserved for SAMA5D2.
*/
u32 reserved1[53];
#else
u32 sigma[25]; /* 0x28-0x88 Error Location Sigma Registers */
u32 el[24]; /* 0x8C-0xE8 Error Location Registers */
u32 reserved1[5]; /* 0xEC-0xFC Reserved */
#endif
/*
* 0x100-0x1F8:
* Reserved for AT91SAM9X5, AT91SAM9N12.
* HSMC registers for SAMA5D3, SAMA5D4.
* SAMA5 chip HSMC registers start here. But for 9X5 chip it is just
* reserved.
*
* Offset 0x00-0xF8:
*/
u32 reserved2[63];
/*
* 0x1FC:
* Offset 0xFC:
* PMECC version for AT91SAM9X5, AT91SAM9N12.
* HSMC version for SAMA5D3, SAMA5D4. Can refer as PMECC version.
*/
@ -148,10 +170,16 @@ struct pmecc_errloc_regs {
#define PMERRLOC_DISABLE (1 << 0)
/* For Error Location Interrupt Status Register */
#ifdef CONFIG_SAMA5D2
#define PMERRLOC_ERR_NUM_MASK (0x3f << 8)
#else
#define PMERRLOC_ERR_NUM_MASK (0x1f << 8)
#endif
#define PMERRLOC_CALC_DONE (1 << 0)
/* PMECC IP version */
#define PMECC_VERSION_SAMA5D2 0x210
#define PMECC_VERSION_SAMA5D4 0x113
#define PMECC_VERSION_SAMA5D3 0x112
#define PMECC_VERSION_AT91SAM9N12 0x102

21
drivers/net/macb.c
View File

@ -109,6 +109,23 @@ static int macb_is_gem(struct macb_device *macb)
return MACB_BFEXT(IDNUM, macb_readl(macb, MID)) == 0x2;
}
#ifndef cpu_is_sama5d2
#define cpu_is_sama5d2() 0
#endif
#ifndef cpu_is_sama5d4
#define cpu_is_sama5d4() 0
#endif
static int gem_is_gigabit_capable(struct macb_device *macb)
{
/*
* The GEM controllers embeded in SAMA5D2 and SAMA5D4 are
* configured to support only 10/100.
*/
return macb_is_gem(macb) && !cpu_is_sama5d2() && !cpu_is_sama5d4();
}
static void macb_mdio_write(struct macb_device *macb, u8 reg, u16 value)
{
unsigned long netctl;
@ -480,8 +497,8 @@ static int macb_phy_init(struct macb_device *macb)
return 0;
}
/* First check for GMAC */
if (macb_is_gem(macb)) {
/* First check for GMAC and that it is GiB capable */
if (gem_is_gigabit_capable(macb)) {
lpa = macb_mdio_read(macb, MII_STAT1000);
if (lpa & (LPA_1000FULL | LPA_1000HALF)) {

39
include/configs/sama5d2_xplained.h
View File

@ -25,8 +25,12 @@
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_DDRCS
#define CONFIG_SYS_SDRAM_SIZE 0x20000000
#ifdef CONFIG_SPL_BUILD
#define CONFIG_SYS_INIT_SP_ADDR 0x210000
#else
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
#endif
#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
@ -119,4 +123,39 @@
#endif
/* SPL */
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_TEXT_BASE 0x200000
#define CONFIG_SPL_MAX_SIZE 0x10000
#define CONFIG_SPL_BSS_START_ADDR 0x20000000
#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
#define CONFIG_SYS_SPL_MALLOC_START 0x20080000
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_GPIO_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SYS_MONITOR_LEN (512 << 10)
#ifdef CONFIG_SYS_USE_MMC
#define CONFIG_SPL_LDSCRIPT arch/arm/mach-at91/armv7/u-boot-spl.lds
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x400
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200
#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
#define CONFIG_SPL_FAT_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
#elif CONFIG_SYS_USE_SERIALFLASH
#define CONFIG_SPL_SPI_SUPPORT
#define CONFIG_SPL_SPI_FLASH_SUPPORT
#define CONFIG_SPL_SPI_LOAD
#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8000
#endif
#endif