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https://github.com/AsahiLinux/u-boot
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54afb50025
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>
131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
/*
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* (C) Copyright 2014
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* Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _STV0991_CGU_H
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#define _STV0991_CGU_H
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struct stv0991_cgu_regs {
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u32 cpu_freq; /* offset 0x0 */
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u32 icn2_freq; /* offset 0x4 */
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u32 dma_freq; /* offset 0x8 */
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u32 isp_freq; /* offset 0xc */
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u32 h264_freq; /* offset 0x10 */
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u32 osif_freq; /* offset 0x14 */
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u32 ren_freq; /* offset 0x18 */
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u32 tim_freq; /* offset 0x1c */
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u32 sai_freq; /* offset 0x20 */
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u32 eth_freq; /* offset 0x24 */
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u32 i2c_freq; /* offset 0x28 */
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u32 spi_freq; /* offset 0x2c */
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u32 uart_freq; /* offset 0x30 */
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u32 qspi_freq; /* offset 0x34 */
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u32 sdio_freq; /* offset 0x38 */
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u32 usi_freq; /* offset 0x3c */
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u32 can_line_freq; /* offset 0x40 */
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u32 debug_freq; /* offset 0x44 */
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u32 trace_freq; /* offset 0x48 */
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u32 stm_freq; /* offset 0x4c */
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u32 eth_ctrl; /* offset 0x50 */
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u32 reserved[3]; /* offset 0x54 */
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u32 osc_ctrl; /* offset 0x60 */
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u32 pll1_ctrl; /* offset 0x64 */
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u32 pll1_freq; /* offset 0x68 */
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u32 pll1_fract; /* offset 0x6c */
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u32 pll1_spread; /* offset 0x70 */
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u32 pll1_status; /* offset 0x74 */
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u32 pll2_ctrl; /* offset 0x78 */
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u32 pll2_freq; /* offset 0x7c */
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u32 pll2_fract; /* offset 0x80 */
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u32 pll2_spread; /* offset 0x84 */
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u32 pll2_status; /* offset 0x88 */
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u32 cgu_enable_1; /* offset 0x8c */
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u32 cgu_enable_2; /* offset 0x90 */
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u32 cgu_isp_pulse; /* offset 0x94 */
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u32 cgu_h264_pulse; /* offset 0x98 */
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u32 cgu_osif_pulse; /* offset 0x9c */
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u32 cgu_ren_pulse; /* offset 0xa0 */
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};
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/* CGU Timer */
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#define CLK_TMR_OSC 0
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#define CLK_TMR_MCLK 1
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#define CLK_TMR_PLL1 2
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#define CLK_TMR_PLL2 3
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#define MDIV_SHIFT_TMR 3
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#define DIV_SHIFT_TMR 6
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#define TIMER1_CLK_CFG (0 << DIV_SHIFT_TMR \
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| 0 << MDIV_SHIFT_TMR | CLK_TMR_MCLK)
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/* Clock Enable/Disable */
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#define TIMER1_CLK_EN (1 << 15)
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/* CGU Uart config */
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#define CLK_UART_MCLK 0
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#define CLK_UART_PLL1 1
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#define CLK_UART_PLL2 2
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#define MDIV_SHIFT_UART 3
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#define DIV_SHIFT_UART 6
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#define UART_CLK_CFG (4 << DIV_SHIFT_UART \
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| 1 << MDIV_SHIFT_UART | CLK_UART_MCLK)
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/* CGU Ethernet clock config */
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#define CLK_ETH_MCLK 0
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#define CLK_ETH_PLL1 1
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#define CLK_ETH_PLL2 2
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#define MDIV_SHIFT_ETH 3
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#define DIV_SHIFT_ETH 6
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#define DIV_ETH_125 9
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#define DIV_ETH_50 12
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#define DIV_ETH_P2P 15
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#define ETH_CLK_CFG (4 << DIV_ETH_P2P | 4 << DIV_ETH_50 \
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| 1 << DIV_ETH_125 \
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| 0 << DIV_SHIFT_ETH \
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| 3 << MDIV_SHIFT_ETH | CLK_ETH_PLL1)
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/* CGU Ethernet control */
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#define ETH_CLK_TX_EXT_PHY 0
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#define ETH_CLK_TX_125M 1
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#define ETH_CLK_TX_25M 2
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#define ETH_CLK_TX_2M5 3
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#define ETH_CLK_TX_DIS 7
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#define ETH_CLK_RX_EXT_PHY 0
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#define ETH_CLK_RX_25M 1
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#define ETH_CLK_RX_2M5 2
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#define ETH_CLK_RX_DIS 3
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#define RX_CLK_SHIFT 3
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#define ETH_CLK_MASK ~(0x1F)
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#define ETH_PHY_MODE_GMII 0
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#define ETH_PHY_MODE_RMII 1
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#define ETH_PHY_CLK_DIS 1
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#define ETH_CLK_CTRL (ETH_CLK_RX_EXT_PHY << RX_CLK_SHIFT \
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| ETH_CLK_TX_EXT_PHY)
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/* CGU qspi clock */
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#define DIV_HCLK1_SHIFT 9
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#define DIV_CRYP_SHIFT 6
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#define MDIV_QSPI_SHIFT 3
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#define CLK_QSPI_OSC 0
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#define CLK_QSPI_MCLK 1
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#define CLK_QSPI_PLL1 2
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#define CLK_QSPI_PLL2 3
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#define QSPI_CLK_CTRL (3 << DIV_HCLK1_SHIFT \
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| 1 << DIV_CRYP_SHIFT \
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| 0 << MDIV_QSPI_SHIFT \
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| CLK_QSPI_OSC)
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#endif
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