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u-boot/arch/arm/include/asm/arch-stv0991/stv0991_creg.h
Vikas Manocha 54afb50025 stv0991: configure clock & pad muxing for qspi
stv0991 has cadence qspi controller for flash interfacing, this
patch configures the device pads & clock for the controller.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Jagannadh Teki <jteki@openedev.com>
2015-07-03 13:50:53 +05:30

104 lines
3.1 KiB
C

/*
* (C) Copyright 2014
* Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _STV0991_CREG_H
#define _STV0991_CREG_H
struct stv0991_creg {
u32 version; /* offset 0x0 */
u32 hdpctl; /* offset 0x4 */
u32 hdpval; /* offset 0x8 */
u32 hdpgposet; /* offset 0xc */
u32 hdpgpoclr; /* offset 0x10 */
u32 hdpgpoval; /* offset 0x14 */
u32 stm_mux; /* offset 0x18 */
u32 sysctrl_1; /* offset 0x1c */
u32 sysctrl_2; /* offset 0x20 */
u32 sysctrl_3; /* offset 0x24 */
u32 sysctrl_4; /* offset 0x28 */
u32 reserved_1[0x35]; /* offset 0x2C-0xFC */
u32 mux1; /* offset 0x100 */
u32 mux2; /* offset 0x104 */
u32 mux3; /* offset 0x108 */
u32 mux4; /* offset 0x10c */
u32 mux5; /* offset 0x110 */
u32 mux6; /* offset 0x114 */
u32 mux7; /* offset 0x118 */
u32 mux8; /* offset 0x11c */
u32 mux9; /* offset 0x120 */
u32 mux10; /* offset 0x124 */
u32 mux11; /* offset 0x128 */
u32 mux12; /* offset 0x12c */
u32 mux13; /* offset 0x130 */
u32 reserved_2[0x33]; /* offset 0x134-0x1FC */
u32 cfg_pad1; /* offset 0x200 */
u32 cfg_pad2; /* offset 0x204 */
u32 cfg_pad3; /* offset 0x208 */
u32 cfg_pad4; /* offset 0x20c */
u32 cfg_pad5; /* offset 0x210 */
u32 cfg_pad6; /* offset 0x214 */
u32 cfg_pad7; /* offset 0x218 */
u32 reserved_3[0x39]; /* offset 0x21C-0x2FC */
u32 vdd_pad1; /* offset 0x300 */
u32 vdd_pad2; /* offset 0x304 */
u32 reserved_4[0x3e]; /* offset 0x308-0x3FC */
u32 vdd_comp1; /* offset 0x400 */
};
/* CREG MUX 13 register */
#define FLASH_CS_NC_SHIFT 4
#define FLASH_CS_NC_MASK ~(7 << FLASH_CS_NC_SHIFT)
#define CFG_FLASH_CS_NC (0 << FLASH_CS_NC_SHIFT)
#define FLASH_CLK_SHIFT 0
#define FLASH_CLK_MASK ~(7 << FLASH_CLK_SHIFT)
#define CFG_FLASH_CLK (0 << FLASH_CLK_SHIFT)
/* CREG MUX 12 register */
#define GPIOC_30_MUX_SHIFT 24
#define GPIOC_30_MUX_MASK ~(1 << GPIOC_30_MUX_SHIFT)
#define CFG_GPIOC_30_UART_TX (1 << GPIOC_30_MUX_SHIFT)
#define GPIOC_31_MUX_SHIFT 28
#define GPIOC_31_MUX_MASK ~(1 << GPIOC_31_MUX_SHIFT)
#define CFG_GPIOC_31_UART_RX (1 << GPIOC_31_MUX_SHIFT)
/* CREG MUX 7 register */
#define GPIOB_16_MUX_SHIFT 0
#define GPIOB_16_MUX_MASK ~(1 << GPIOB_16_MUX_SHIFT)
#define CFG_GPIOB_16_UART_TX (1 << GPIOB_16_MUX_SHIFT)
#define GPIOB_17_MUX_SHIFT 4
#define GPIOB_17_MUX_MASK ~(1 << GPIOB_17_MUX_SHIFT)
#define CFG_GPIOB_17_UART_RX (1 << GPIOB_17_MUX_SHIFT)
/* CREG CFG_PAD6 register */
#define GPIOC_31_MODE_SHIFT 30
#define GPIOC_31_MODE_MASK ~(1 << GPIOC_31_MODE_SHIFT)
#define CFG_GPIOC_31_MODE_OD (0 << GPIOC_31_MODE_SHIFT)
#define CFG_GPIOC_31_MODE_PP (1 << GPIOC_31_MODE_SHIFT)
#define GPIOC_30_MODE_SHIFT 28
#define GPIOC_30_MODE_MASK ~(1 << GPIOC_30_MODE_SHIFT)
#define CFG_GPIOC_30_MODE_LOW (0 << GPIOC_30_MODE_SHIFT)
#define CFG_GPIOC_30_MODE_HIGH (1 << GPIOC_30_MODE_SHIFT)
/* CREG Ethernet pad config */
#define VDD_ETH_PS_1V8 0
#define VDD_ETH_PS_2V5 2
#define VDD_ETH_PS_3V3 3
#define VDD_ETH_PS_MASK 0x3
#define VDD_ETH_PS_SHIFT 12
#define ETH_VDD_CFG (VDD_ETH_PS_1V8 << VDD_ETH_PS_SHIFT)
#define VDD_ETH_M_PS_SHIFT 28
#define ETH_M_VDD_CFG (VDD_ETH_PS_1V8 << VDD_ETH_M_PS_SHIFT)
#endif