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https://github.com/AsahiLinux/u-boot
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af765a49ba
This patch sets the PLL of CPU cluster B (BPLL) to 600 MHz.
This decreases the boot time of Linux 4.19 by about 8%.
The 600 MHz are inspired by the 600 MHz used for LPLL initialization
(came in with commit 9f636a249c).
Tested on RK3399-Q7 on Haikou base board.
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
115 lines
2.4 KiB
C
115 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2016 Rockchip Electronics Co., Ltd
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*/
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#ifndef __ASM_ARCH_CRU_RK3399_H_
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#define __ASM_ARCH_CRU_RK3399_H_
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#include <common.h>
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/* Private data for the clock driver - used by rockchip_get_cru() */
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struct rk3399_clk_priv {
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struct rk3399_cru *cru;
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};
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struct rk3399_pmuclk_priv {
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struct rk3399_pmucru *pmucru;
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};
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struct rk3399_pmucru {
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u32 ppll_con[6];
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u32 reserved[0x1a];
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u32 pmucru_clksel[6];
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u32 pmucru_clkfrac_con[2];
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u32 reserved2[0x18];
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u32 pmucru_clkgate_con[3];
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u32 reserved3;
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u32 pmucru_softrst_con[2];
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u32 reserved4[2];
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u32 pmucru_rstnhold_con[2];
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u32 reserved5[2];
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u32 pmucru_gatedis_con[2];
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};
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check_member(rk3399_pmucru, pmucru_gatedis_con[1], 0x134);
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struct rk3399_cru {
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u32 apll_l_con[6];
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u32 reserved[2];
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u32 apll_b_con[6];
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u32 reserved1[2];
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u32 dpll_con[6];
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u32 reserved2[2];
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u32 cpll_con[6];
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u32 reserved3[2];
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u32 gpll_con[6];
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u32 reserved4[2];
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u32 npll_con[6];
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u32 reserved5[2];
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u32 vpll_con[6];
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u32 reserved6[0x0a];
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u32 clksel_con[108];
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u32 reserved7[0x14];
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u32 clkgate_con[35];
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u32 reserved8[0x1d];
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u32 softrst_con[21];
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u32 reserved9[0x2b];
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u32 glb_srst_fst_value;
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u32 glb_srst_snd_value;
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u32 glb_cnt_th;
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u32 misc_con;
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u32 glb_rst_con;
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u32 glb_rst_st;
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u32 reserved10[0x1a];
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u32 sdmmc_con[2];
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u32 sdio0_con[2];
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u32 sdio1_con[2];
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};
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check_member(rk3399_cru, sdio1_con[1], 0x594);
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#define MHz 1000000
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#define KHz 1000
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#define OSC_HZ (24*MHz)
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#define LPLL_HZ (600*MHz)
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#define BPLL_HZ (600*MHz)
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#define GPLL_HZ (594*MHz)
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#define CPLL_HZ (384*MHz)
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#define PPLL_HZ (676*MHz)
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#define PMU_PCLK_HZ (48*MHz)
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#define ACLKM_CORE_L_HZ (300*MHz)
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#define ATCLK_CORE_L_HZ (300*MHz)
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#define PCLK_DBG_L_HZ (100*MHz)
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#define ACLKM_CORE_B_HZ (300*MHz)
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#define ATCLK_CORE_B_HZ (300*MHz)
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#define PCLK_DBG_B_HZ (100*MHz)
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#define PERIHP_ACLK_HZ (148500*KHz)
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#define PERIHP_HCLK_HZ (148500*KHz)
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#define PERIHP_PCLK_HZ (37125*KHz)
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#define PERILP0_ACLK_HZ (99000*KHz)
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#define PERILP0_HCLK_HZ (99000*KHz)
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#define PERILP0_PCLK_HZ (49500*KHz)
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#define PERILP1_HCLK_HZ (99000*KHz)
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#define PERILP1_PCLK_HZ (49500*KHz)
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#define PWM_CLOCK_HZ PMU_PCLK_HZ
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enum apll_l_frequencies {
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APLL_L_1600_MHZ,
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APLL_L_600_MHZ,
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};
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enum apll_b_frequencies {
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APLL_B_600_MHZ,
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};
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void rk3399_configure_cpu_l(struct rk3399_cru *cru,
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enum apll_l_frequencies apll_l_freq);
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void rk3399_configure_cpu_b(struct rk3399_cru *cru,
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enum apll_b_frequencies apll_b_freq);
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#endif /* __ASM_ARCH_CRU_RK3399_H_ */
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