am335x: Add data structures for the clock module registers
To avoid having to read/write raw addresses with magic constants, this change adds data structures which represent the clock module registers and some constants for how the clock module is used currently. Change-Id: I955dae39bbdabccf048a086e706a48c58f620ad4 Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: https://review.coreboot.org/3941 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
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Gabe Black
Martin Roth
parent
56abd4d878
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/*
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* Copyright (C) 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __CPU_TI_AM335X_CLOCK_H__
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#define __CPU_TI_AM335X_CLOCK_H__
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#include <stdint.h>
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enum {
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CM_ST_NO_SLEEP = 0x0,
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CM_ST_SW_SLEEP = 0x1,
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CM_ST_SW_WKUP = 0x2
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};
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enum {
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CM_MODULEMODE_DISABLED = 0x0,
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CM_MODULEMODE_ENABLED = 0x2
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};
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enum {
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CM_FCLK_DIS = 0x0 << 18,
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CM_FCLK_EN = 0x1 << 18
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};
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/* Clock module peripheral registers */
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struct am335x_cm_per_regs {
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uint32_t l4ls_st; // 0x0
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uint32_t l3s_st; // 0x4
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uint8_t _rsv0[4]; // 0x8-0xb
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uint32_t l3_st; // 0xc
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uint8_t _rsv1[4]; // 0x10-0x13
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uint32_t cpgmac0; // 0x14
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uint32_t lcdc; // 0x18
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uint32_t usb0; // 0x1c
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uint8_t _rsv2[4]; // 0x20-0x23
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uint32_t tptc0; // 0x24
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uint32_t emif; // 0x28
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uint32_t ocmcram; // 0x2c
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uint32_t gpmc; // 0x30
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uint32_t mcasp0; // 0x34
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uint32_t uart5; // 0x38
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uint32_t mmc0; // 0x3c
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uint32_t elm; // 0x40
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uint32_t i2c2; // 0x44
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uint32_t i2c1; // 0x48
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uint32_t spi0; // 0x4c
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uint32_t spi1; // 0x50
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uint8_t _rsv3[0xc]; // 0x54-0x5f
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uint32_t l4ls; // 0x60
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uint8_t _rsv4[4]; // 0x64-0x67
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uint32_t mcasp1; // 0x68
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uint32_t uart1; // 0x6c
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uint32_t uart2; // 0x70
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uint32_t uart3; // 0x74
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uint32_t uart4; // 0x78
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uint32_t timer7; // 0x7c
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uint32_t timer2; // 0x80
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uint32_t timer3; // 0x84
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uint32_t timer4; // 0x88
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uint8_t _rsv5[0x20]; // 0x90-0xab
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uint32_t gpio1; // 0xac
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uint32_t gpio2; // 0xb0
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uint32_t gpio3; // 0xb4
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uint8_t _rsv6[4]; // 0xb8-0xbb
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uint32_t tpcc; // 0xbc
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uint32_t dcan0; // 0xc0
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uint32_t dcan1; // 0xc4
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uint8_t _rsv7[4]; // 0xc8-0xcb
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uint32_t epwmss1; // 0xcc
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uint8_t _rsv8[4]; // 0xd0-0xd3
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uint32_t epwmss0; // 0xd4
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uint32_t epwmss2; // 0xd8
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uint32_t l3_instr; // 0xdc
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uint32_t l3; // 0xe0
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uint32_t ieee5000; // 0xe4
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uint32_t pru_icss; // 0xe8
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uint32_t timer5; // 0xec
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uint32_t timer6; // 0xf0
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uint32_t mmc1; // 0xf4
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uint32_t mmc2; // 0xf8
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uint32_t tptc1; // 0xfc
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uint32_t tptc2; // 0x100
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uint8_t _rsv9[8]; // 0x104-0x10b
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uint32_t spinlock; // 0x10c
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uint32_t mailbox0; // 0x110
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uint8_t _rsv10[8]; // 0x114-0x11b
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uint32_t l4hs_st; // 0x11c
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uint32_t l4hs; // 0x120
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uint8_t _rsv11[8]; // 0x124-0x12b
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uint32_t ocpwp_l3_st; // 0x12c
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uint32_t ocpwp; // 0x130
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uint8_t _rsv12[0xb]; // 0x134-0x13f
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uint32_t pru_icss_st; // 0x140
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uint32_t cpsw_st; // 0x144
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uint32_t lcdc_st; // 0x148
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uint32_t clkdiv32k; // 0x14c
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uint32_t clk_24mhz_st; // 0x150
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} __attribute__((packed));
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static struct am335x_cm_per_regs * const am335x_cm_per = (void *)0x44e00000;
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/* Clock module wakeup registers */
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struct am335x_cm_wkup_regs {
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uint32_t wkup_st; // 0x0
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uint32_t wkup_control; // 0x4
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uint32_t wkup_gpio0; // 0x8
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uint32_t wkup_l4wkup; // 0xc
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uint32_t wkup_timer0; // 0x10
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uint32_t wkup_debugss; // 0x14
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uint32_t l3_aon_st; // 0x18
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uint32_t autoidle_dpll_mpu; // 0x1c
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uint32_t idlest_dpll_mpu; // 0x20
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uint32_t ssc_deltamstep_dpll_mpu; // 0x24
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uint32_t ssc_modfreqdiv_dpll_mpu; // 0x28
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uint32_t clksel_dpll_mpu; // 0x2c
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uint32_t autoidle_dpll_ddr; // 0x30
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uint32_t idlest_dpll_ddr; // 0x34
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uint32_t ssc_deltamstep_dpll_ddr; // 0x38
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uint32_t ssc_modfreqdiv_dpll_ddr; // 0x3c
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uint32_t clksel_dpll_ddr; // 0x40
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uint32_t autoidle_dpll_disp; // 0x44
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uint32_t idlest_dpll_disp; // 0x48
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uint32_t ssc_deltamstep_dpll_disp; // 0x4c
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uint32_t ssc_modfreqdiv_dpll_disp; // 0x50
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uint32_t clksel_dpll_disp; // 0x54
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uint32_t autoidle_dpll_core; // 0x58
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uint32_t idlest_dpll_core; // 0x5c
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uint32_t ssc_deltamstep_dpll_core; // 0x60
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uint32_t ssc_modfreqdiv_dpll_core; // 0x64
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uint32_t clksel_dpll_core; // 0x68
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uint32_t autoidle_dpll_per; // 0x6c
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uint32_t idlest_dpll_per; // 0x70
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uint32_t ssc_deltamstep_dpll_per; // 0x74
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uint32_t ssc_modfreqdiv_dpll_per; // 0x78
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uint32_t clkdcoldo_dpll_per; // 0x7c
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uint32_t div_m4_dpll_core; // 0x80
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uint32_t div_m5_dpll_core; // 0x84
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uint32_t clkmode_dpll_mpu; // 0x88
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uint32_t clkmode_dpll_per; // 0x8c
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uint32_t clkmode_dpll_core; // 0x90
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uint32_t clkmode_dpll_ddr; // 0x94
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uint32_t clkmode_dpll_disp; // 0x98
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uint32_t clksel_dpll_periph; // 0x9c
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uint32_t div_m2_dpll_ddr; // 0xa0
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uint32_t div_m2_dpll_disp; // 0xa4
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uint32_t div_m2_dpll_mpu; // 0xa8
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uint32_t div_m2_dpll_per; // 0xac
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uint32_t wkup_wkup_m3; // 0xb0
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uint32_t wkup_uart0; // 0xb4
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uint32_t wkup_i2c0; // 0xb8
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uint32_t wkup_adc_tsc; // 0xbc
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uint32_t wkup_smartreflex0; // 0xc0
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uint32_t wkup_timer1; // 0xc4
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uint32_t wkup_smartreflex1; // 0xc8
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uint32_t l4_wkup_aon_st; // 0xcc
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uint8_t _rsv0[4]; // 0xd0-0xd3
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uint32_t wkup_wdt1; // 0xd4
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uint32_t div_m6_dpll_core; // 0xd8
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} __attribute__((packed));
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static struct am335x_cm_wkup_regs * const am335x_cm_wkup = (void *)0x44e00400;
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/* Clock module pll registers */
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struct am335x_cm_dpll_regs {
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uint8_t _rsv0[4]; // 0x0-0x3
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uint32_t clksel_timer7_clk; // 0x4
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uint32_t clksel_timer2_clk; // 0x8
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uint32_t clksel_timer3_clk; // 0xc
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uint32_t clksel_timer4_clk; // 0x10
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uint32_t cm_mac_clksel; // 0x14
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uint32_t clksel_timer5_clk; // 0x18
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uint32_t clksel_timer6_clk; // 0x1c
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uint32_t cm_cpts_rft_clksel; // 0x20
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uint8_t _rsv1[4]; // 0x24-0x27
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uint32_t clksel_timer1ms_clk; // 0x28
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uint32_t clksel_gfx_fclk; // 0x2c
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uint32_t clksel_pru_icss_ocp_clk; // 0x30
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uint32_t clksel_lcdc_pixel_clk; // 0x34
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uint32_t clksel_wdt1_clk; // 0x38
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uint32_t clksel_gpio0_dbclk; // 0x3c
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} __attribute__((packed));
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static struct am335x_cm_dpll_regs * const am335x_cm_dpll = (void *)0x44e00500;
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/* Clock module mpu registers */
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struct am335x_cm_mpu_regs {
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uint32_t st; // 0x0
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uint32_t mpu; // 0x4
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} __attribute__((packed));
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static struct am335x_cm_mpu_regs * const am335x_cm_mpu = (void *)0x44e00600;
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/* Clock module device registers */
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struct am335x_cm_device_regs {
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uint32_t cm_clkout_ctrl; // 0x0
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} __attribute__((packed));
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static struct am335x_cm_device_regs * const am335x_cm_device =
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(void *)0x44e00700;
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/* Clock module RTC registers */
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struct am335x_cm_rtc_regs {
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uint32_t rtc; // 0x0
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uint32_t st; // 0x4
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} __attribute__((packed));
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static struct am335x_cm_rtc_regs * const am335x_cm_rtc = (void *)0x44e00800;
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/* Clock module graphics controller registers */
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struct am335x_cm_gfx_regs {
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uint32_t l3_st; // 0x0
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uint32_t gfx; // 0x4
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uint8_t _rsv0[4]; // 0x8-0xb
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uint32_t l4ls_gfx_st; // 0xc
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uint32_t mmucfg; // 0x10
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uint32_t mmudata; // 0x14
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} __attribute__((packed));
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static struct am335x_cm_gfx_regs * const am335x_cm_gfx = (void *)0x44e00900;
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/* Clock module efuse registers */
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struct am335x_cm_cefuse_regs {
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uint32_t st; // 0x0
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uint8_t _rsv0[0x1c]; // 0x4-0x1f
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uint32_t cefuse; // 0x20
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} __attribute__((packed));
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static struct am335x_cm_cefuse_regs * const am335x_cm_cefuse =
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(void *)0x44e00a00;
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#endif /* __CPU_TI_AM335X_CLOCK_H__ */
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