| Stefan Roese | 5d6050f | 2014-12-10 10:15:23 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2014 Stefan Roese <sr@denx.de> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
| 7 | #ifndef _PLATINUM_H_ |
| 8 | #define _PLATINUM_H_ |
| 9 | |
| 10 | #include <miiphy.h> |
| 11 | #include <asm/arch/crm_regs.h> |
| 12 | |
| 13 | /* Defines */ |
| 14 | |
| 15 | #define ECSPI1_PAD_CLK (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_DOWN | \ |
| 16 | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ |
| 17 | PAD_CTL_HYS) |
| 18 | #define ECSPI2_PAD_CLK (PAD_CTL_SRE_FAST | PAD_CTL_PUS_100K_DOWN | \ |
| 19 | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ |
| 20 | PAD_CTL_HYS) |
| 21 | #define ECSPI_PAD_MOSI (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_DOWN | \ |
| 22 | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_120ohm | \ |
| 23 | PAD_CTL_HYS) |
| 24 | #define ECSPI_PAD_MISO (PAD_CTL_SRE_FAST | PAD_CTL_PUS_100K_DOWN | \ |
| 25 | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ |
| 26 | PAD_CTL_HYS) |
| 27 | #define ECSPI_PAD_SS (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_UP | \ |
| 28 | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_120ohm | \ |
| 29 | PAD_CTL_HYS) |
| 30 | |
| 31 | #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| 32 | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) |
| 33 | |
| 34 | #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| 35 | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ |
| 36 | PAD_CTL_ODE | PAD_CTL_SRE_FAST) |
| 37 | #define I2C_PAD_CTRL_SCL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \ |
| 38 | PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \ |
| 39 | PAD_CTL_ODE | PAD_CTL_SRE_SLOW) |
| 40 | |
| 41 | #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| 42 | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | \ |
| 43 | PAD_CTL_HYS) |
| 44 | |
| 45 | #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ |
| 46 | PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | \ |
| 47 | PAD_CTL_HYS) |
| 48 | |
| 49 | |
| 50 | #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) |
| 51 | #define PC_SCL MUX_PAD_CTRL(I2C_PAD_CTRL_SCL) |
| 52 | |
| 53 | /* Prototypes */ |
| 54 | |
| 55 | int platinum_setup_enet(void); |
| 56 | int platinum_setup_i2c(void); |
| 57 | int platinum_setup_spi(void); |
| 58 | int platinum_setup_uart(void); |
| 59 | int platinum_phy_config(struct phy_device *phydev); |
| 60 | int platinum_init_gpio(void); |
| 61 | int platinum_init_usb(void); |
| 62 | int platinum_init_finished(void); |
| 63 | |
| 64 | static inline void ccgr_init(void) |
| 65 | { |
| 66 | struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; |
| 67 | |
| 68 | writel(0x00C03F3F, &ccm->CCGR0); |
| 69 | writel(0x0030FC03, &ccm->CCGR1); |
| 70 | writel(0x0FFFC000, &ccm->CCGR2); |
| 71 | writel(0x3FF00000, &ccm->CCGR3); |
| 72 | writel(0xFFFFF300, &ccm->CCGR4); /* enable NAND/GPMI/BCH clks */ |
| 73 | writel(0x0F0000C3, &ccm->CCGR5); |
| 74 | writel(0x000003FF, &ccm->CCGR6); |
| 75 | } |
| 76 | |
| 77 | static inline void gpr_init(void) |
| 78 | { |
| 79 | struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; |
| 80 | |
| 81 | /* enable AXI cache for VDOA/VPU/IPU */ |
| 82 | writel(0xF00000CF, &iomux->gpr[4]); |
| 83 | /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ |
| 84 | writel(0x007F007F, &iomux->gpr[6]); |
| 85 | writel(0x007F007F, &iomux->gpr[7]); |
| 86 | } |
| 87 | |
| 88 | #endif /* _PLATINUM_H_ */ |