u-boot/arch/arm/include/asm/arch-keystone/clock-k2e.h
Vitaly Andrianov 61f66fd5a8 keystone2: use EFUSE_BOOTROM information to configure PLLs
This patch reads EFUSE_BOOTROM register to see the maximum supported
clock for CORE and TETRIS PLLs and configure them accordingly.

Acked-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
2014-08-25 10:48:12 -04:00

84 lines
1.5 KiB
C

/*
* K2E: Clock management APIs
*
* (C) Copyright 2012-2014
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_ARCH_CLOCK_K2E_H
#define __ASM_ARCH_CLOCK_K2E_H
enum ext_clk_e {
sys_clk,
alt_core_clk,
pa_clk,
ddr3_clk,
mcm_clk,
pcie_clk,
sgmii_clk,
xgmii_clk,
usb_clk,
ext_clk_count /* number of external clocks */
};
extern unsigned int external_clk[ext_clk_count];
enum clk_e {
core_pll_clk,
pass_pll_clk,
ddr3_pll_clk,
sys_clk0_clk,
sys_clk0_1_clk,
sys_clk0_2_clk,
sys_clk0_3_clk,
sys_clk0_4_clk,
sys_clk0_6_clk,
sys_clk0_8_clk,
sys_clk0_12_clk,
sys_clk0_24_clk,
sys_clk1_clk,
sys_clk1_3_clk,
sys_clk1_4_clk,
sys_clk1_6_clk,
sys_clk1_12_clk,
sys_clk2_clk,
sys_clk3_clk
};
#define KS2_CLK1_6 sys_clk0_6_clk
/* PLL identifiers */
enum pll_type_e {
CORE_PLL,
PASS_PLL,
DDR3_PLL,
};
enum {
SPD800,
SPD850,
SPD1000,
SPD1250,
SPD1350,
SPD1400,
SPD1500,
SPD_RSV
};
#define CORE_PLL_800 {CORE_PLL, 16, 1, 2}
#define CORE_PLL_850 {CORE_PLL, 17, 1, 2}
#define CORE_PLL_1000 {CORE_PLL, 20, 1, 2}
#define CORE_PLL_1200 {CORE_PLL, 24, 1, 2}
#define PASS_PLL_1000 {PASS_PLL, 20, 1, 2}
#define CORE_PLL_1250 {CORE_PLL, 25, 1, 2}
#define CORE_PLL_1350 {CORE_PLL, 27, 1, 2}
#define CORE_PLL_1400 {CORE_PLL, 28, 1, 2}
#define CORE_PLL_1500 {CORE_PLL, 30, 1, 2}
#define DDR3_PLL_200 {DDR3_PLL, 4, 1, 2}
#define DDR3_PLL_400 {DDR3_PLL, 16, 1, 4}
#define DDR3_PLL_800 {DDR3_PLL, 16, 1, 2}
#define DDR3_PLL_333 {DDR3_PLL, 20, 1, 6}
#endif