Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 2 | /* |
| 3 | * (C) Copyright 2007-2013 |
| 4 | * Stelian Pop <stelian.pop@leadtechdesign.com> |
| 5 | * Lead Tech Design <www.leadtechdesign.com> |
| 6 | * Thomas Petazzoni, Free Electrons, <thomas.petazzoni@free-electrons.com> |
| 7 | * Mateusz Kulikowski <mateusz.kulikowski@gmail.com> |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #include <common.h> |
Simon Glass | 8e16b1e | 2019-12-28 10:45:05 -0700 | [diff] [blame] | 11 | #include <init.h> |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 12 | #include <asm/arch/at91sam9_smc.h> |
| 13 | #include <asm/arch/at91_common.h> |
| 14 | #include <asm/arch/at91_matrix.h> |
Wenyou Yang | 78f8976 | 2016-02-03 10:16:50 +0800 | [diff] [blame] | 15 | #include <asm/arch/clk.h> |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 16 | #include <asm/arch/gpio.h> |
| 17 | #include <asm-generic/gpio.h> |
| 18 | #include <asm/io.h> |
| 19 | #include <net.h> |
| 20 | #include <netdev.h> |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 21 | |
| 22 | DECLARE_GLOBAL_DATA_PTR; |
| 23 | |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 24 | #ifdef CONFIG_CMD_NAND |
| 25 | static void usb_a9263_nand_hw_init(void) |
| 26 | { |
| 27 | unsigned long csa; |
| 28 | at91_smc_t *smc = (at91_smc_t *)ATMEL_BASE_SMC0; |
| 29 | at91_matrix_t *matrix = (at91_matrix_t *)ATMEL_BASE_MATRIX; |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 30 | |
| 31 | /* Enable CS3 */ |
| 32 | csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A; |
| 33 | writel(csa, &matrix->csa[0]); |
| 34 | |
| 35 | /* Configure SMC CS3 for NAND/SmartMedia */ |
| 36 | writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | |
| 37 | AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), |
| 38 | &smc->cs[3].setup); |
| 39 | |
| 40 | writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | |
| 41 | AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), |
| 42 | &smc->cs[3].pulse); |
| 43 | |
| 44 | writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), |
| 45 | &smc->cs[3].cycle); |
| 46 | |
| 47 | writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | |
| 48 | AT91_SMC_MODE_EXNW_DISABLE | |
| 49 | AT91_SMC_MODE_DBW_8 | |
| 50 | AT91_SMC_MODE_TDF_CYCLE(2), &smc->cs[3].mode); |
| 51 | |
Wenyou Yang | 78f8976 | 2016-02-03 10:16:50 +0800 | [diff] [blame] | 52 | at91_periph_clk_enable(ATMEL_ID_PIOA); |
| 53 | at91_periph_clk_enable(ATMEL_ID_PIOCDE); |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 54 | |
| 55 | /* Configure RDY/BSY */ |
| 56 | gpio_request(CONFIG_SYS_NAND_READY_PIN, "NAND ready/busy"); |
| 57 | gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); |
| 58 | |
| 59 | /* Enable NandFlash */ |
| 60 | gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "NAND enable"); |
| 61 | gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); |
| 62 | } |
| 63 | #endif |
| 64 | |
| 65 | #ifdef CONFIG_MACB |
| 66 | static void usb_a9263_macb_hw_init(void) |
| 67 | { |
Wenyou Yang | 78f8976 | 2016-02-03 10:16:50 +0800 | [diff] [blame] | 68 | at91_periph_clk_enable(ATMEL_ID_EMAC); |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 69 | |
| 70 | /* |
| 71 | * Disable pull-up on: |
| 72 | * RXDV (PC25) => PHY normal mode (not Test mode) |
| 73 | * ERX0 (PE25) => PHY ADDR0 |
| 74 | * ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0 |
| 75 | * |
| 76 | * PHY has internal weak pull-up/pull-down |
| 77 | */ |
| 78 | gpio_request(GPIO_PIN_PC(25), "PHY mode"); |
| 79 | gpio_direction_input(GPIO_PIN_PC(25)); |
| 80 | |
| 81 | gpio_request(GPIO_PIN_PE(25), "PHY ADDR0"); |
| 82 | gpio_direction_input(GPIO_PIN_PE(25)); |
| 83 | |
| 84 | gpio_request(GPIO_PIN_PE(26), "PHY ADDR1"); |
| 85 | gpio_direction_input(GPIO_PIN_PE(26)); |
| 86 | |
| 87 | at91_phy_reset(); |
| 88 | |
| 89 | /* It will set proper pinmux for ports PC25, PE25-26 */ |
| 90 | at91_macb_hw_init(); |
| 91 | } |
| 92 | #endif |
| 93 | |
| 94 | int board_init(void) |
| 95 | { |
| 96 | /* adress of boot parameters */ |
| 97 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
| 98 | |
| 99 | #ifdef CONFIG_CMD_NAND |
| 100 | usb_a9263_nand_hw_init(); |
| 101 | #endif |
Mateusz Kulikowski | 6a302ae | 2013-12-02 23:30:58 +0100 | [diff] [blame] | 102 | #ifdef CONFIG_MACB |
| 103 | usb_a9263_macb_hw_init(); |
| 104 | #endif |
| 105 | #ifdef CONFIG_USB_OHCI_NEW |
| 106 | at91_uhp_hw_init(); |
| 107 | #endif |
| 108 | return 0; |
| 109 | } |
| 110 | |
| 111 | int dram_init(void) |
| 112 | { |
| 113 | gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, |
| 114 | CONFIG_SYS_SDRAM_SIZE); |
| 115 | return 0; |
| 116 | } |
| 117 | |
| 118 | int board_eth_init(bd_t *bis) |
| 119 | { |
| 120 | int rc = 0; |
| 121 | |
| 122 | #ifdef CONFIG_MACB |
| 123 | rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x0001); |
| 124 | #endif |
| 125 | return rc; |
| 126 | } |