projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 3c5c4ee3 AST |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| 3 | * Copyright (C) 2020 Amit Singh Tomar <[email protected]> | |
| 4 | * | |
| 5 | * Actions DWMAC specific glue layer | |
| 6 | */ | |
| 7 | ||
| 401d1c4f | 8 | #include <asm/global_data.h> |
| 3c5c4ee3 AST |
9 | #include <asm/io.h> |
| 10 | #include <dm.h> | |
| 11 | #include <clk.h> | |
| 12 | #include <phy.h> | |
| 13 | #include <regmap.h> | |
| 14 | #include <reset.h> | |
| 15 | #include <syscon.h> | |
| 16 | #include "designware.h" | |
| 17 | #include <asm/arch-owl/regs_s700.h> | |
| 18 | #include <linux/bitops.h> | |
| 19 | ||
| 20 | /* pin control for MAC */ | |
| 21 | #define RMII_TXD01_MFP_CTL0 (0x0 << 16) | |
| 22 | #define RMII_RXD01_MFP_CTL0 (0x0 << 8) | |
| 23 | #define RMII_TXEN_TXER_MFP_CTL0 (0x0 << 13) | |
| 24 | #define RMII_REF_CLK_MFP_CTL0 (0x0 << 6) | |
| 25 | #define CLKO_25M_EN_MFP_CTL3 BIT(30) | |
| 26 | ||
| 27 | DECLARE_GLOBAL_DATA_PTR; | |
| 28 | ||
| 29 | static void dwmac_board_setup(void) | |
| 30 | { | |
| 31 | clrbits_le32(MFP_CTL0, (RMII_TXD01_MFP_CTL0 | RMII_RXD01_MFP_CTL0 | | |
| 32 | RMII_TXEN_TXER_MFP_CTL0 | RMII_REF_CLK_MFP_CTL0)); | |
| 33 | ||
| 34 | setbits_le32(MFP_CTL3, CLKO_25M_EN_MFP_CTL3); | |
| 35 | } | |
| 36 | ||
| 37 | static int dwmac_s700_probe(struct udevice *dev) | |
| 38 | { | |
| 39 | dwmac_board_setup(); | |
| 40 | ||
| 41 | /* This is undocumented, phy interface select register */ | |
| 42 | writel(0x4, 0xe024c0a0); | |
| 43 | ||
| 44 | return designware_eth_probe(dev); | |
| 45 | } | |
| 46 | ||
| d1998a9f | 47 | static int dwmac_s700_of_to_plat(struct udevice *dev) |
| 3c5c4ee3 | 48 | { |
| d1998a9f | 49 | return designware_eth_of_to_plat(dev); |
| 3c5c4ee3 AST |
50 | } |
| 51 | ||
| 52 | static const struct udevice_id dwmac_s700_ids[] = { | |
| 53 | {.compatible = "actions,s700-ethernet"}, | |
| 54 | { } | |
| 55 | }; | |
| 56 | ||
| 57 | U_BOOT_DRIVER(dwmac_s700) = { | |
| 58 | .name = "dwmac_s700", | |
| 59 | .id = UCLASS_ETH, | |
| 60 | .of_match = dwmac_s700_ids, | |
| d1998a9f | 61 | .of_to_plat = dwmac_s700_of_to_plat, |
| 3c5c4ee3 AST |
62 | .probe = dwmac_s700_probe, |
| 63 | .ops = &designware_eth_ops, | |
| 41575d8e | 64 | .priv_auto = sizeof(struct dw_eth_dev), |
| caa4daa2 | 65 | .plat_auto = sizeof(struct eth_pdata), |
| 3c5c4ee3 AST |
66 | .flags = DM_FLAG_ALLOC_PRIV_DMA, |
| 67 | }; |