u-boot/arch/arm/mach-keystone/include/mach/clock_defs.h
Lokesh Vutla fe772ebd28 ARM: keystone2: Use common definition for clk_get_rate
Since all the clocks are defined common, and has the same logic to get
the frequencies, use a common definition for for clk_get_rate().

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
2015-08-12 20:47:55 -04:00

135 lines
3.4 KiB
C

/*
* keystone2: common pll clock definitions
* (C) Copyright 2012-2014
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _CLOCK_DEFS_H_
#define _CLOCK_DEFS_H_
#include <asm/arch/hardware.h>
#define BIT(x) (1 << (x))
/* PLL Control Registers */
struct pllctl_regs {
u32 ctl; /* 00 */
u32 ocsel; /* 04 */
u32 secctl; /* 08 */
u32 resv0;
u32 mult; /* 10 */
u32 prediv; /* 14 */
u32 div1; /* 18 */
u32 div2; /* 1c */
u32 div3; /* 20 */
u32 oscdiv1; /* 24 */
u32 resv1; /* 28 */
u32 bpdiv; /* 2c */
u32 wakeup; /* 30 */
u32 resv2;
u32 cmd; /* 38 */
u32 stat; /* 3c */
u32 alnctl; /* 40 */
u32 dchange; /* 44 */
u32 cken; /* 48 */
u32 ckstat; /* 4c */
u32 systat; /* 50 */
u32 ckctl; /* 54 */
u32 resv3[2];
u32 div4; /* 60 */
u32 div5; /* 64 */
u32 div6; /* 68 */
u32 div7; /* 6c */
u32 div8; /* 70 */
u32 div9; /* 74 */
u32 div10; /* 78 */
u32 div11; /* 7c */
u32 div12; /* 80 */
};
static struct pllctl_regs *pllctl_regs[] = {
(struct pllctl_regs *)(KS2_CLOCK_BASE + 0x100)
};
#define pllctl_reg(pll, reg) (&(pllctl_regs[pll]->reg))
#define pllctl_reg_read(pll, reg) __raw_readl(pllctl_reg(pll, reg))
#define pllctl_reg_write(pll, reg, val) __raw_writel(val, pllctl_reg(pll, reg))
#define pllctl_reg_rmw(pll, reg, mask, val) \
pllctl_reg_write(pll, reg, \
(pllctl_reg_read(pll, reg) & ~(mask)) | val)
#define pllctl_reg_setbits(pll, reg, mask) \
pllctl_reg_rmw(pll, reg, 0, mask)
#define pllctl_reg_clrbits(pll, reg, mask) \
pllctl_reg_rmw(pll, reg, mask, 0)
#define pll0div_read(N) ((pllctl_reg_read(CORE_PLL, div##N) & 0xff) + 1)
/* PLLCTL Bits */
#define PLLCTL_PLLENSRC_SHIF 5
#define PLLCTL_PLLENSRC_MASK BIT(5)
#define PLLCTL_PLLRST_SHIFT 3
#define PLLCTL_PLLRST_MASK BIT(3)
#define PLLCTL_PLLPWRDN_SHIFT 1
#define PLLCTL_PLLPWRDN_MASK BIT(1)
#define PLLCTL_PLLEN_SHIFT 0
#define PLLCTL_PLLEN_MASK BIT(0)
/* SECCTL Bits */
#define SECCTL_BYPASS_SHIFT 23
#define SECCTL_BYPASS_MASK BIT(23)
#define SECCTL_OP_DIV_SHIFT 19
#define SECCTL_OP_DIV_MASK (0xf << 19)
/* PLLM Bits */
#define PLLM_MULT_LO_SHIFT 0
#define PLLM_MULT_LO_MASK 0x3f
#define PLLM_MULT_LO_BITS 6
/* PLLDIVn Bits */
#define PLLDIV_ENABLE_SHIFT 15
#define PLLDIV_ENABLE_MASK BIT(15)
#define PLLDIV_RATIO_SHIFT 0x0
#define PLLDIV_RATIO_MASK 0xff
#define PLLDIV_MAX 16
/* PLLCMD Bits */
#define PLLCMD_GOSET_SHIFT 0
#define PLLCMD_GOSET_MASK BIT(0)
/* PLLSTAT Bits */
#define PLLSTAT_GOSTAT_SHIFT 0
#define PLLSTAT_GOSTAT_MASK BIT(0)
/* Device Config PLLCTL0 */
#define CFG_PLLCTL0_BWADJ_SHIFT 24
#define CFG_PLLCTL0_BWADJ_MASK (0xff << 24)
#define CFG_PLLCTL0_BWADJ_BITS 8
#define CFG_PLLCTL0_BYPASS_SHIFT 23
#define CFG_PLLCTL0_BYPASS_MASK BIT(23)
#define CFG_PLLCTL0_CLKOD_SHIFT 19
#define CFG_PLLCTL0_CLKOD_MASK (0xf << 19)
#define CFG_PLLCTL0_PLLM_HI_SHIFT 12
#define CFG_PLLCTL0_PLLM_HI_MASK (0x7f << 12)
#define CFG_PLLCTL0_PLLM_SHIFT 6
#define CFG_PLLCTL0_PLLM_MASK (0x1fff << 6)
#define CFG_PLLCTL0_PLLD_SHIFT 0
#define CFG_PLLCTL0_PLLD_MASK 0x3f
/* Device Config PLLCTL1 */
#define CFG_PLLCTL1_RST_SHIFT 14
#define CFG_PLLCTL1_RST_MASK BIT(14)
#define CFG_PLLCTL1_PAPLL_SHIFT 13
#define CFG_PLLCTL1_PAPLL_MASK BIT(13)
#define CFG_PLLCTL1_ENSAT_SHIFT 6
#define CFG_PLLCTL1_ENSAT_MASK BIT(6)
#define CFG_PLLCTL1_BWADJ_SHIFT 0
#define CFG_PLLCTL1_BWADJ_MASK 0xf
#define MISC_CTL1_ARM_PLL_EN BIT(13)
#endif /* _CLOCK_DEFS_H_ */