Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 1 | /* |
Yann Gautier | 92bd78b | 2021-03-22 14:21:33 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2021, ARM Limited and Contributors. All rights reserved. |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 7 | #include <assert.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 8 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 9 | #include <platform_def.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 10 | |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 11 | #include <common/debug.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 12 | #include <drivers/console.h> |
| 13 | #include <drivers/mmc.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 14 | #include <lib/utils.h> |
| 15 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 16 | #include <imx_caam.h> |
| 17 | #include <imx_clock.h> |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 18 | #include <imx_io_mux.h> |
| 19 | #include <imx_uart.h> |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 20 | #include <imx_usdhc.h> |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 21 | #include <imx7_def.h> |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 22 | |
| 23 | #define UART1_CLK_SELECT (CCM_TARGET_ROOT_ENABLE |\ |
| 24 | CCM_TRGT_MUX_UART1_CLK_ROOT_OSC_24M) |
| 25 | |
| 26 | #define UART6_CLK_SELECT (CCM_TARGET_ROOT_ENABLE |\ |
| 27 | CCM_TRGT_MUX_UART6_CLK_ROOT_OSC_24M) |
| 28 | |
| 29 | #define USDHC_CLK_SELECT (CCM_TARGET_ROOT_ENABLE |\ |
| 30 | CCM_TRGT_MUX_NAND_USDHC_BUS_CLK_ROOT_AHB |\ |
| 31 | CCM_TARGET_POST_PODF(2)) |
| 32 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 33 | #define USB_CLK_SELECT (CCM_TARGET_ROOT_ENABLE |\ |
| 34 | CCM_TRGT_MUX_USB_HSIC_CLK_ROOT_SYS_PLL) |
| 35 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 36 | #define WARP7_UART1_TX_MUX \ |
| 37 | IOMUXC_SW_MUX_CTL_PAD_UART1_TX_DATA_ALT0_UART1_TX_DATA |
| 38 | |
| 39 | #define WARP7_UART1_TX_FEATURES \ |
| 40 | (IOMUXC_SW_PAD_CTL_PAD_UART1_TX_DATA_PS_3_100K_PU | \ |
| 41 | IOMUXC_SW_PAD_CTL_PAD_UART1_TX_DATA_PE_EN | \ |
| 42 | IOMUXC_SW_PAD_CTL_PAD_UART1_TX_DATA_HYS_EN | \ |
| 43 | IOMUXC_SW_PAD_CTL_PAD_UART1_TX_DATA_DSE_1_X4) |
| 44 | |
| 45 | #define WARP7_UART1_RX_MUX \ |
| 46 | IOMUXC_SW_MUX_CTL_PAD_UART1_RX_DATA_ALT0_UART1_RX_DATA |
| 47 | |
| 48 | #define WARP7_UART1_RX_FEATURES \ |
| 49 | (IOMUXC_SW_PAD_CTL_PAD_UART1_RX_DATA_PS_3_100K_PU | \ |
| 50 | IOMUXC_SW_PAD_CTL_PAD_UART1_RX_DATA_PE_EN | \ |
| 51 | IOMUXC_SW_PAD_CTL_PAD_UART1_RX_DATA_HYS_EN | \ |
| 52 | IOMUXC_SW_PAD_CTL_PAD_UART1_RX_DATA_DSE_1_X4) |
| 53 | |
| 54 | #define WARP7_UART6_TX_MUX \ |
| 55 | IOMUXC_SW_MUX_CTL_PAD_ECSPI1_MOSI_ALT1_UART6_TX_DATA |
| 56 | |
| 57 | #define WARP7_UART6_TX_FEATURES \ |
| 58 | (IOMUXC_SW_PAD_CTL_PAD_ECSPI1_MOSI_PS_3_100K_PU | \ |
| 59 | IOMUXC_SW_PAD_CTL_PAD_ECSPI1_MOSI_PE_EN | \ |
| 60 | IOMUXC_SW_PAD_CTL_PAD_ECSPI1_MOSI_HYS_EN | \ |
| 61 | IOMUXC_SW_PAD_CTL_PAD_ECSPI1_MOSI_DSE_1_X4) |
| 62 | |
| 63 | #define WARP7_UART6_RX_MUX \ |
| 64 | IOMUXC_SW_MUX_CTL_PAD_ECSPI1_SCLK_ALT1_UART6_RX_DATA |
| 65 | |
| 66 | #define WARP7_UART6_RX_FEATURES \ |
| 67 | (IOMUXC_SW_PAD_CTL_PAD_ECSPI1_SCLK_PS_3_100K_PU | \ |
| 68 | IOMUXC_SW_PAD_CTL_PAD_ECSPI1_SCLK_PE_EN | \ |
| 69 | IOMUXC_SW_PAD_CTL_PAD_ECSPI1_SCLK_HYS_EN | \ |
| 70 | IOMUXC_SW_PAD_CTL_PAD_ECSPI1_SCLK_DSE_1_X4) |
| 71 | |
Yann Gautier | 92bd78b | 2021-03-22 14:21:33 +0100 | [diff] [blame] | 72 | static struct mmc_device_info mmc_info; |
| 73 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 74 | static void warp7_setup_pinmux(void) |
| 75 | { |
| 76 | /* Configure UART1 TX */ |
| 77 | imx_io_muxc_set_pad_alt_function(IOMUXC_SW_MUX_CTL_PAD_UART1_TX_DATA_OFFSET, |
| 78 | WARP7_UART1_TX_MUX); |
| 79 | imx_io_muxc_set_pad_features(IOMUXC_SW_PAD_CTL_PAD_UART1_TX_DATA_OFFSET, |
| 80 | WARP7_UART1_TX_FEATURES); |
| 81 | |
| 82 | /* Configure UART1 RX */ |
| 83 | imx_io_muxc_set_pad_alt_function(IOMUXC_SW_MUX_CTL_PAD_UART1_RX_DATA_OFFSET, |
| 84 | WARP7_UART1_RX_MUX); |
| 85 | imx_io_muxc_set_pad_features(IOMUXC_SW_PAD_CTL_PAD_UART1_RX_DATA_OFFSET, |
| 86 | WARP7_UART1_RX_FEATURES); |
| 87 | |
| 88 | /* Configure UART6 TX */ |
| 89 | imx_io_muxc_set_pad_alt_function(IOMUXC_SW_MUX_CTL_PAD_ECSPI1_MOSI_OFFSET, |
| 90 | WARP7_UART6_TX_MUX); |
| 91 | imx_io_muxc_set_pad_features(IOMUXC_SW_PAD_CTL_PAD_ECSPI1_MOSI_OFFSET, |
| 92 | WARP7_UART6_TX_FEATURES); |
| 93 | |
| 94 | /* Configure UART6 RX */ |
| 95 | imx_io_muxc_set_pad_alt_function(IOMUXC_SW_MUX_CTL_PAD_ECSPI1_SCLK_OFFSET, |
| 96 | WARP7_UART6_RX_MUX); |
| 97 | imx_io_muxc_set_pad_features(IOMUXC_SW_PAD_CTL_PAD_ECSPI1_SCLK_OFFSET, |
| 98 | WARP7_UART6_RX_FEATURES); |
| 99 | } |
| 100 | |
| 101 | static void warp7_usdhc_setup(void) |
| 102 | { |
| 103 | imx_usdhc_params_t params; |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 104 | |
| 105 | zeromem(¶ms, sizeof(imx_usdhc_params_t)); |
| 106 | params.reg_base = PLAT_WARP7_BOOT_MMC_BASE; |
| 107 | params.clk_rate = 25000000; |
| 108 | params.bus_width = MMC_BUS_WIDTH_8; |
Yann Gautier | 92bd78b | 2021-03-22 14:21:33 +0100 | [diff] [blame] | 109 | mmc_info.mmc_dev_type = MMC_IS_EMMC; |
| 110 | imx_usdhc_init(¶ms, &mmc_info); |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 111 | } |
| 112 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 113 | static void warp7_setup_usb_clocks(void) |
| 114 | { |
| 115 | uint32_t usb_en_bits = (uint32_t)USB_CLK_SELECT; |
| 116 | |
| 117 | imx_clock_set_usb_clk_root_bits(usb_en_bits); |
| 118 | imx_clock_enable_usb(CCM_CCGR_ID_USB_IPG); |
| 119 | imx_clock_enable_usb(CCM_CCGR_ID_USB_PHY_480MCLK); |
| 120 | imx_clock_enable_usb(CCM_CCGR_ID_USB_OTG1_PHY); |
| 121 | imx_clock_enable_usb(CCM_CCGR_ID_USB_OTG2_PHY); |
| 122 | } |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 123 | |
| 124 | void imx7_platform_setup(u_register_t arg1, u_register_t arg2, |
| 125 | u_register_t arg3, u_register_t arg4) |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 126 | { |
| 127 | uint32_t uart1_en_bits = (uint32_t)UART1_CLK_SELECT; |
| 128 | uint32_t uart6_en_bits = (uint32_t)UART6_CLK_SELECT; |
| 129 | uint32_t usdhc_clock_sel = PLAT_WARP7_SD - 1; |
| 130 | |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 131 | /* Initialize clocks etc */ |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 132 | imx_clock_enable_uart(0, uart1_en_bits); |
| 133 | imx_clock_enable_uart(5, uart6_en_bits); |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 134 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 135 | imx_clock_enable_usdhc(usdhc_clock_sel, USDHC_CLK_SELECT); |
Jun Nie | 8cfd4b5 | 2019-06-13 11:38:24 +0800 | [diff] [blame] | 136 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 137 | warp7_setup_usb_clocks(); |
| 138 | |
| 139 | /* Setup pin-muxes */ |
| 140 | warp7_setup_pinmux(); |
| 141 | |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 142 | warp7_usdhc_setup(); |
Bryan O'Donoghue | 38c4561 | 2018-07-27 13:50:15 +0100 | [diff] [blame] | 143 | } |