mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-31 06:18:51 +09:00
![Eddie James](/assets/img/avatar_default.png)
Add code to enable the SD clock on the ast2500 SoC. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Eddie James <eajames@linux.ibm.com>
248 lines
7.1 KiB
C
248 lines
7.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright (c) 2016 Google, Inc
|
|
*/
|
|
#ifndef _ASM_ARCH_SCU_AST2500_H
|
|
#define _ASM_ARCH_SCU_AST2500_H
|
|
|
|
#define SCU_UNLOCK_VALUE 0x1688a8a8
|
|
|
|
#define SCU_HWSTRAP_VGAMEM_SHIFT 2
|
|
#define SCU_HWSTRAP_VGAMEM_MASK (3 << SCU_HWSTRAP_VGAMEM_SHIFT)
|
|
#define SCU_HWSTRAP_MAC1_RGMII (1 << 6)
|
|
#define SCU_HWSTRAP_MAC2_RGMII (1 << 7)
|
|
#define SCU_HWSTRAP_DDR4 (1 << 24)
|
|
#define SCU_HWSTRAP_CLKIN_25MHZ (1 << 23)
|
|
|
|
#define SCU_MPLL_DENUM_SHIFT 0
|
|
#define SCU_MPLL_DENUM_MASK 0x1f
|
|
#define SCU_MPLL_NUM_SHIFT 5
|
|
#define SCU_MPLL_NUM_MASK (0xff << SCU_MPLL_NUM_SHIFT)
|
|
#define SCU_MPLL_POST_SHIFT 13
|
|
#define SCU_MPLL_POST_MASK (0x3f << SCU_MPLL_POST_SHIFT)
|
|
#define SCU_PCLK_DIV_SHIFT 23
|
|
#define SCU_PCLK_DIV_MASK (7 << SCU_PCLK_DIV_SHIFT)
|
|
#define SCU_SDCLK_DIV_SHIFT 12
|
|
#define SCU_SDCLK_DIV_MASK (7 << SCU_SDCLK_DIV_SHIFT)
|
|
#define SCU_HPLL_DENUM_SHIFT 0
|
|
#define SCU_HPLL_DENUM_MASK 0x1f
|
|
#define SCU_HPLL_NUM_SHIFT 5
|
|
#define SCU_HPLL_NUM_MASK (0xff << SCU_HPLL_NUM_SHIFT)
|
|
#define SCU_HPLL_POST_SHIFT 13
|
|
#define SCU_HPLL_POST_MASK (0x3f << SCU_HPLL_POST_SHIFT)
|
|
|
|
#define SCU_MACCLK_SHIFT 16
|
|
#define SCU_MACCLK_MASK (7 << SCU_MACCLK_SHIFT)
|
|
|
|
#define SCU_MISC2_RGMII_HPLL (1 << 23)
|
|
#define SCU_MISC2_RGMII_CLKDIV_SHIFT 20
|
|
#define SCU_MISC2_RGMII_CLKDIV_MASK (3 << SCU_MISC2_RGMII_CLKDIV_SHIFT)
|
|
#define SCU_MISC2_RMII_MPLL (1 << 19)
|
|
#define SCU_MISC2_RMII_CLKDIV_SHIFT 16
|
|
#define SCU_MISC2_RMII_CLKDIV_MASK (3 << SCU_MISC2_RMII_CLKDIV_SHIFT)
|
|
#define SCU_MISC2_UARTCLK_SHIFT 24
|
|
|
|
#define SCU_MISC_D2PLL_OFF (1 << 4)
|
|
#define SCU_MISC_UARTCLK_DIV13 (1 << 12)
|
|
#define SCU_MISC_GCRT_USB20CLK (1 << 21)
|
|
|
|
#define SCU_MICDS_MAC1RGMII_TXDLY_SHIFT 0
|
|
#define SCU_MICDS_MAC1RGMII_TXDLY_MASK (0x3f\
|
|
<< SCU_MICDS_MAC1RGMII_TXDLY_SHIFT)
|
|
#define SCU_MICDS_MAC2RGMII_TXDLY_SHIFT 6
|
|
#define SCU_MICDS_MAC2RGMII_TXDLY_MASK (0x3f\
|
|
<< SCU_MICDS_MAC2RGMII_TXDLY_SHIFT)
|
|
#define SCU_MICDS_MAC1RMII_RDLY_SHIFT 12
|
|
#define SCU_MICDS_MAC1RMII_RDLY_MASK (0x3f << SCU_MICDS_MAC1RMII_RDLY_SHIFT)
|
|
#define SCU_MICDS_MAC2RMII_RDLY_SHIFT 18
|
|
#define SCU_MICDS_MAC2RMII_RDLY_MASK (0x3f << SCU_MICDS_MAC2RMII_RDLY_SHIFT)
|
|
#define SCU_MICDS_MAC1RMII_TXFALL (1 << 24)
|
|
#define SCU_MICDS_MAC2RMII_TXFALL (1 << 25)
|
|
#define SCU_MICDS_RMII1_RCLKEN (1 << 29)
|
|
#define SCU_MICDS_RMII2_RCLKEN (1 << 30)
|
|
#define SCU_MICDS_RGMIIPLL (1 << 31)
|
|
|
|
/*
|
|
* SYSRESET is actually more like a Power register,
|
|
* except that corresponding bit set to 1 means that
|
|
* the peripheral is off.
|
|
*/
|
|
#define SCU_SYSRESET_XDMA (1 << 25)
|
|
#define SCU_SYSRESET_MCTP (1 << 24)
|
|
#define SCU_SYSRESET_ADC (1 << 23)
|
|
#define SCU_SYSRESET_JTAG (1 << 22)
|
|
#define SCU_SYSRESET_MIC (1 << 18)
|
|
#define SCU_SYSRESET_SDIO (1 << 16)
|
|
#define SCU_SYSRESET_USB11HOST (1 << 15)
|
|
#define SCU_SYSRESET_USBHUB (1 << 14)
|
|
#define SCU_SYSRESET_CRT (1 << 13)
|
|
#define SCU_SYSRESET_MAC2 (1 << 12)
|
|
#define SCU_SYSRESET_MAC1 (1 << 11)
|
|
#define SCU_SYSRESET_PECI (1 << 10)
|
|
#define SCU_SYSRESET_PWM (1 << 9)
|
|
#define SCU_SYSRESET_PCI_VGA (1 << 8)
|
|
#define SCU_SYSRESET_2D (1 << 7)
|
|
#define SCU_SYSRESET_VIDEO (1 << 6)
|
|
#define SCU_SYSRESET_LPC (1 << 5)
|
|
#define SCU_SYSRESET_HAC (1 << 4)
|
|
#define SCU_SYSRESET_USBHID (1 << 3)
|
|
#define SCU_SYSRESET_I2C (1 << 2)
|
|
#define SCU_SYSRESET_AHB (1 << 1)
|
|
#define SCU_SYSRESET_SDRAM_WDT (1 << 0)
|
|
|
|
/* Bits 16-27 in the register control pin functions for I2C devices 3-14 */
|
|
#define SCU_PINMUX_CTRL5_I2C (1 << 16)
|
|
|
|
/*
|
|
* The values are grouped by function, not by register.
|
|
* They are actually scattered across multiple loosely related registers.
|
|
*/
|
|
#define SCU_PIN_FUN_MAC1_MDC (1 << 30)
|
|
#define SCU_PIN_FUN_MAC1_MDIO (1 << 31)
|
|
#define SCU_PIN_FUN_MAC1_PHY_LINK (1 << 0)
|
|
#define SCU_PIN_FUN_MAC2_MDIO (1 << 2)
|
|
#define SCU_PIN_FUN_MAC2_PHY_LINK (1 << 1)
|
|
#define SCU_PIN_FUN_SCL1 (1 << 12)
|
|
#define SCU_PIN_FUN_SCL2 (1 << 14)
|
|
#define SCU_PIN_FUN_SDA1 (1 << 13)
|
|
#define SCU_PIN_FUN_SDA2 (1 << 15)
|
|
|
|
#define SCU_CLKSTOP_MAC1 (1 << 20)
|
|
#define SCU_CLKSTOP_MAC2 (1 << 21)
|
|
#define SCU_CLKSTOP_SDCLK (1 << 27)
|
|
|
|
#define SCU_D2PLL_EXT1_OFF (1 << 0)
|
|
#define SCU_D2PLL_EXT1_BYPASS (1 << 1)
|
|
#define SCU_D2PLL_EXT1_RESET (1 << 2)
|
|
#define SCU_D2PLL_EXT1_MODE_SHIFT 3
|
|
#define SCU_D2PLL_EXT1_MODE_MASK (3 << SCU_D2PLL_EXT1_MODE_SHIFT)
|
|
#define SCU_D2PLL_EXT1_PARAM_SHIFT 5
|
|
#define SCU_D2PLL_EXT1_PARAM_MASK (0x1ff << SCU_D2PLL_EXT1_PARAM_SHIFT)
|
|
|
|
#define SCU_D2PLL_NUM_SHIFT 0
|
|
#define SCU_D2PLL_NUM_MASK (0xff << SCU_D2PLL_NUM_SHIFT)
|
|
#define SCU_D2PLL_DENUM_SHIFT 8
|
|
#define SCU_D2PLL_DENUM_MASK (0x1f << SCU_D2PLL_DENUM_SHIFT)
|
|
#define SCU_D2PLL_POST_SHIFT 13
|
|
#define SCU_D2PLL_POST_MASK (0x3f << SCU_D2PLL_POST_SHIFT)
|
|
#define SCU_D2PLL_ODIV_SHIFT 19
|
|
#define SCU_D2PLL_ODIV_MASK (7 << SCU_D2PLL_ODIV_SHIFT)
|
|
#define SCU_D2PLL_SIC_SHIFT 22
|
|
#define SCU_D2PLL_SIC_MASK (0x1f << SCU_D2PLL_SIC_SHIFT)
|
|
#define SCU_D2PLL_SIP_SHIFT 27
|
|
#define SCU_D2PLL_SIP_MASK (0x1f << SCU_D2PLL_SIP_SHIFT)
|
|
|
|
#define SCU_CLKDUTY_DCLK_SHIFT 0
|
|
#define SCU_CLKDUTY_DCLK_MASK (0x3f << SCU_CLKDUTY_DCLK_SHIFT)
|
|
#define SCU_CLKDUTY_RGMII1TXCK_SHIFT 8
|
|
#define SCU_CLKDUTY_RGMII1TXCK_MASK (0x7f << SCU_CLKDUTY_RGMII1TXCK_SHIFT)
|
|
#define SCU_CLKDUTY_RGMII2TXCK_SHIFT 16
|
|
#define SCU_CLKDUTY_RGMII2TXCK_MASK (0x7f << SCU_CLKDUTY_RGMII2TXCK_SHIFT)
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
struct ast2500_clk_priv {
|
|
struct ast2500_scu *scu;
|
|
};
|
|
|
|
struct ast2500_scu {
|
|
u32 protection_key;
|
|
u32 sysreset_ctrl1;
|
|
u32 clk_sel1;
|
|
u32 clk_stop_ctrl1;
|
|
u32 freq_counter_ctrl;
|
|
u32 freq_counter_cmp;
|
|
u32 intr_ctrl;
|
|
u32 d2_pll_param;
|
|
u32 m_pll_param;
|
|
u32 h_pll_param;
|
|
u32 d_pll_param;
|
|
u32 misc_ctrl1;
|
|
u32 pci_config[3];
|
|
u32 sysreset_status;
|
|
u32 vga_handshake[2];
|
|
u32 mac_clk_delay;
|
|
u32 misc_ctrl2;
|
|
u32 vga_scratch[8];
|
|
u32 hwstrap;
|
|
u32 rng_ctrl;
|
|
u32 rng_data;
|
|
u32 rev_id;
|
|
u32 pinmux_ctrl[6];
|
|
u32 reserved0;
|
|
u32 extrst_sel;
|
|
u32 pinmux_ctrl1[4];
|
|
u32 reserved1[2];
|
|
u32 mac_clk_delay_100M;
|
|
u32 mac_clk_delay_10M;
|
|
u32 wakeup_enable;
|
|
u32 wakeup_control;
|
|
u32 reserved2[3];
|
|
u32 sysreset_ctrl2;
|
|
u32 clk_sel2;
|
|
u32 clk_stop_ctrl2;
|
|
u32 freerun_counter;
|
|
u32 freerun_counter_ext;
|
|
u32 clk_duty_meas_ctrl;
|
|
u32 clk_duty_meas_res;
|
|
u32 reserved3[4];
|
|
/* The next registers are not key-protected */
|
|
struct ast2500_cpu2 {
|
|
u32 ctrl;
|
|
u32 base_addr[9];
|
|
u32 cache_ctrl;
|
|
} cpu2;
|
|
u32 reserved4;
|
|
u32 d_pll_ext_param[3];
|
|
u32 d2_pll_ext_param[3];
|
|
u32 mh_pll_ext_param;
|
|
u32 reserved5;
|
|
u32 chip_id[2];
|
|
u32 reserved6[2];
|
|
u32 uart_clk_ctrl;
|
|
u32 reserved7[7];
|
|
u32 pcie_config;
|
|
u32 mmio_decode;
|
|
u32 reloc_ctrl_decode[2];
|
|
u32 mailbox_addr;
|
|
u32 shared_sram_decode[2];
|
|
u32 bmc_rev_id;
|
|
u32 reserved8;
|
|
u32 bmc_device_id;
|
|
u32 reserved9[13];
|
|
u32 clk_duty_sel;
|
|
};
|
|
|
|
/**
|
|
* ast_get_clk() - get a pointer to Clock Driver
|
|
*
|
|
* @devp, OUT - pointer to Clock Driver
|
|
* @return zero on success, error code (< 0) otherwise.
|
|
*/
|
|
int ast_get_clk(struct udevice **devp);
|
|
|
|
/**
|
|
* ast_get_scu() - get a pointer to SCU registers
|
|
*
|
|
* @return pointer to struct ast2500_scu on success, ERR_PTR otherwise
|
|
*/
|
|
void *ast_get_scu(void);
|
|
|
|
/**
|
|
* ast_scu_unlock() - unlock protected registers
|
|
*
|
|
* @scu, pointer to ast2500_scu
|
|
*/
|
|
void ast_scu_unlock(struct ast2500_scu *scu);
|
|
|
|
/**
|
|
* ast_scu_lock() - lock protected registers
|
|
*
|
|
* @scu, pointer to ast2500_scu
|
|
*/
|
|
void ast_scu_lock(struct ast2500_scu *scu);
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_ARCH_SCU_AST2500_H */
|