2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian@popies.net>
4 * Lead Tech Design <www.leadtechdesign.com>
6 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/at91sam9260_matrix.h>
12 #include <asm/arch/at91sam9_smc.h>
13 #include <asm/arch/at91_common.h>
14 #include <asm/arch/at91_pmc.h>
15 #include <asm/arch/at91_rstc.h>
16 #include <asm/arch/gpio.h>
17 #include <atmel_mci.h>
19 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
24 DECLARE_GLOBAL_DATA_PTR
;
26 /* ------------------------------------------------------------------------- */
28 * Miscelaneous platform dependent initialisations
31 #ifdef CONFIG_CMD_NAND
32 static void at91sam9260ek_nand_hw_init(void)
34 struct at91_smc
*smc
= (struct at91_smc
*)ATMEL_BASE_SMC
;
35 struct at91_matrix
*matrix
= (struct at91_matrix
*)ATMEL_BASE_MATRIX
;
38 /* Assign CS3 to NAND/SmartMedia Interface */
39 csa
= readl(&matrix
->ebicsa
);
40 csa
|= AT91_MATRIX_CS3A_SMC_SMARTMEDIA
;
41 writel(csa
, &matrix
->ebicsa
);
43 /* Configure SMC CS3 for NAND/SmartMedia */
44 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
45 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
47 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
48 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
50 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
52 writel(AT91_SMC_MODE_RM_NRD
| AT91_SMC_MODE_WM_NWE
|
53 AT91_SMC_MODE_EXNW_DISABLE
|
54 #ifdef CONFIG_SYS_NAND_DBW_16
55 AT91_SMC_MODE_DBW_16
|
56 #else /* CONFIG_SYS_NAND_DBW_8 */
59 AT91_SMC_MODE_TDF_CYCLE(2),
62 /* Configure RDY/BSY */
63 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN
, 1);
65 /* Enable NandFlash */
66 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN
, 1);
72 static void at91sam9260ek_macb_hw_init(void)
74 struct at91_pmc
*pmc
= (struct at91_pmc
*)ATMEL_BASE_PMC
;
75 struct at91_port
*pioa
= (struct at91_port
*)ATMEL_BASE_PIOA
;
76 struct at91_rstc
*rstc
= (struct at91_rstc
*)ATMEL_BASE_RSTC
;
79 /* Enable EMAC clock */
80 writel(1 << ATMEL_ID_EMAC0
, &pmc
->pcer
);
84 * RXDV (PA17) => PHY normal mode (not Test mode)
85 * ERX0 (PA14) => PHY ADDR0
86 * ERX1 (PA15) => PHY ADDR1
87 * ERX2 (PA25) => PHY ADDR2
88 * ERX3 (PA26) => PHY ADDR3
89 * ECRS (PA28) => PHY ADDR4 => PHYADDR = 0x0
91 * PHY has internal pull-down
93 writel(pin_to_mask(AT91_PIN_PA14
) |
94 pin_to_mask(AT91_PIN_PA15
) |
95 pin_to_mask(AT91_PIN_PA17
) |
96 pin_to_mask(AT91_PIN_PA25
) |
97 pin_to_mask(AT91_PIN_PA26
) |
98 pin_to_mask(AT91_PIN_PA28
),
101 erstl
= readl(&rstc
->mr
) & AT91_RSTC_MR_ERSTL_MASK
;
103 /* Need to reset PHY -> 500ms reset */
104 writel(AT91_RSTC_KEY
| AT91_RSTC_MR_ERSTL(13) |
105 AT91_RSTC_MR_URSTEN
, &rstc
->mr
);
107 writel(AT91_RSTC_KEY
| AT91_RSTC_CR_EXTRST
, &rstc
->cr
);
109 /* Wait for end hardware reset */
110 while (!(readl(&rstc
->sr
) & AT91_RSTC_SR_NRSTL
))
113 /* Restore NRST value */
114 writel(AT91_RSTC_KEY
| erstl
| AT91_RSTC_MR_URSTEN
,
117 /* Re-enable pull-up */
118 writel(pin_to_mask(AT91_PIN_PA14
) |
119 pin_to_mask(AT91_PIN_PA15
) |
120 pin_to_mask(AT91_PIN_PA17
) |
121 pin_to_mask(AT91_PIN_PA25
) |
122 pin_to_mask(AT91_PIN_PA26
) |
123 pin_to_mask(AT91_PIN_PA28
),
126 /* Initialize EMAC=MACB hardware */
131 #ifdef CONFIG_GENERIC_ATMEL_MCI
132 int board_mmc_init(bd_t
*bd
)
136 return atmel_mci_init((void *)ATMEL_BASE_MCI
);
140 int board_early_init_f(void)
142 struct at91_pmc
*pmc
= (struct at91_pmc
*)ATMEL_BASE_PMC
;
144 /* Enable clocks for all PIOs */
145 writel((1 << ATMEL_ID_PIOA
) | (1 << ATMEL_ID_PIOB
) |
146 (1 << ATMEL_ID_PIOC
),
154 /* adress of boot parameters */
155 gd
->bd
->bi_boot_params
= CONFIG_SYS_SDRAM_BASE
+ 0x100;
157 at91_seriald_hw_init();
158 #ifdef CONFIG_CMD_NAND
159 at91sam9260ek_nand_hw_init();
161 #ifdef CONFIG_HAS_DATAFLASH
162 at91_spi0_hw_init((1 << 0) | (1 << 1));
165 at91sam9260ek_macb_hw_init();
173 gd
->ram_size
= get_ram_size(
174 (void *)CONFIG_SYS_SDRAM_BASE
,
175 CONFIG_SYS_SDRAM_SIZE
);
179 #ifdef CONFIG_RESET_PHY_R
185 int board_eth_init(bd_t
*bis
)
189 rc
= macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0
, 0x00);