Define table-driven configuration mechanism for SMDK5250 rather than hard-coding board initialization parameters.

Signed-off-by: Che-Liang Chiou clchiou@chromium.org Signed-off-by: Abhilash Kesavan a.kesavan@samsung.com Signed-off-by: Tom Wai-Hong Tam waihong@chromium.org Signed-off-by: Simon Glass sjg@chromium.org Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com --- Changes in V2: - None Changes in V3: - None Changes in V4: - None board/samsung/smdk5250/Makefile | 1 + board/samsung/smdk5250/smdk5250_spl.c | 68 +++++++++++++++++++++++++++++++++ 2 files changed, 69 insertions(+), 0 deletions(-) create mode 100644 board/samsung/smdk5250/smdk5250_spl.c

diff --git a/board/samsung/smdk5250/Makefile b/board/samsung/smdk5250/Makefile index 226db1f..3675fad 100644 --- a/board/samsung/smdk5250/Makefile +++ b/board/samsung/smdk5250/Makefile @@ -29,6 +29,7 @@ SOBJS := lowlevel_init.o COBJS := clock_init.o COBJS += dmc_init.o COBJS += tzpc_init.o +COBJS += smdk5250_spl.o

ifndef CONFIG_SPL_BUILD COBJS += smdk5250.o diff --git a/board/samsung/smdk5250/smdk5250_spl.c b/board/samsung/smdk5250/smdk5250_spl.c new file mode 100644 index 0000000..1d453ca --- /dev/null +++ b/board/samsung/smdk5250/smdk5250_spl.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2012 The Chromium OS Authors. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/cpu.h> +#include <asm/arch/spl.h> +#include <asm/arch/clk.h> + +#define SIGNATURE 0xdeadbeef + +/* Parameters of early board initialization in SPL */ +static struct spl_machine_param machine_param + __attribute__((section(".machine_param"))) = { + .signature = SIGNATURE, + .version = 1, + .params = "vmubfasirM", + .size = sizeof(machine_param), + + .mem_iv_size = 0x1f, + .mem_type = DDR_MODE_DDR3, + + /* + * Set uboot_size to 0x100000 bytes. + * + * This is an overly conservative value chosen to accommodate all + * possible U-Boot image. You are advised to set this value to a + * smaller realistic size via scripts that modifies the .machine_param + * section of output U-Boot image. + */ + .uboot_size = 0x100000, + + .boot_source = BOOT_MODE_OM, + .frequency_mhz = 800, + .arm_freq_mhz = 1700, + .serial_base = 0x12c30000, + .i2c_base = 0x12c60000, + .mem_manuf = MEM_MANUF_SAMSUNG, +}; + +struct spl_machine_param *spl_get_machine_params(void) +{ + if (machine_param.signature != SIGNATURE) { + /* Will hang if SIGNATURE dont match */ + while (1) + ; + } + + return &machine_param; +}

Define additional registers for clock control in Exynos5250 Rev 1.0

Signed-off-by: Hatim Ali hatim.rv@samsung.com Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com --- Changes in V2: - None Changes in V3: - Modified Clocks as per Exynos5250 Rev 1.0. Changes in V4: - None arch/arm/include/asm/arch-exynos/clock.h | 234 ++++++++++++++++-------------- 1 files changed, 126 insertions(+), 108 deletions(-)

diff --git a/arch/arm/include/asm/arch-exynos/clock.h b/arch/arm/include/asm/arch-exynos/clock.h index 50da958..90271f1 100644 --- a/arch/arm/include/asm/arch-exynos/clock.h +++ b/arch/arm/include/asm/arch-exynos/clock.h @@ -273,8 +273,7 @@ struct exynos5_clock { unsigned int clkout_cmu_cpu_div_stat; unsigned char res8[0x5f8]; unsigned int armclk_stopctrl; - unsigned int atclk_stopctrl; - unsigned char res9[0x8]; + unsigned char res9[0x0c]; unsigned int parityfail_status; unsigned int parityfail_clear; unsigned char res10[0x8]; @@ -323,259 +322,278 @@ struct exynos5_clock { unsigned char res19[0xf8]; unsigned int div_core0; unsigned int div_core1; - unsigned char res20[0xf8]; + unsigned int div_sysrgt; + unsigned char res20[0xf4]; unsigned int div_stat_core0; unsigned int div_stat_core1; - unsigned char res21[0x2f8]; + unsigned int div_stat_sysrgt; + unsigned char res21[0x2f4]; unsigned int gate_ip_core; - unsigned char res22[0xfc]; + unsigned int gate_ip_sysrgt; + unsigned char res22[0x8]; + unsigned int c2c_monitor; + unsigned char res23[0xec]; unsigned int clkout_cmu_core; unsigned int clkout_cmu_core_div_stat; - unsigned char res23[0x5f8]; + unsigned char res24[0x5f8]; unsigned int dcgidx_map0; unsigned int dcgidx_map1; unsigned int dcgidx_map2; - unsigned char res24[0x14]; + unsigned char res25[0x14]; unsigned int dcgperf_map0; unsigned int dcgperf_map1; - unsigned char res25[0x18]; + unsigned char res26[0x18]; unsigned int dvcidx_map; - unsigned char res26[0x1c]; + unsigned char res27[0x1c]; unsigned int freq_cpu; unsigned int freq_dpm; - unsigned char res27[0x18]; + unsigned char res28[0x18]; unsigned int dvsemclk_en; unsigned int maxperf; - unsigned char res28[0x3478]; + unsigned char res29[0xf78]; + unsigned int c2c_config; + unsigned char res30[0x24fc]; unsigned int div_acp; - unsigned char res29[0xfc]; + unsigned char res31[0xfc]; unsigned int div_stat_acp; - unsigned char res30[0x1fc]; + unsigned char res32[0x1fc]; unsigned int gate_ip_acp; - unsigned char res31[0x1fc]; + unsigned char res33[0xfc]; + unsigned int div_syslft; + unsigned char res34[0xc]; + unsigned int div_stat_syslft; + unsigned char res35[0x1c]; + unsigned int gate_ip_syslft; + unsigned char res36[0xcc]; unsigned int clkout_cmu_acp; unsigned int clkout_cmu_acp_div_stat; - unsigned char res32[0x38f8]; + unsigned char res37[0x8]; + unsigned int ufmc_config; + unsigned char res38[0x38ec]; unsigned int div_isp0; unsigned int div_isp1; unsigned int div_isp2; - unsigned char res33[0xf4]; + unsigned char res39[0xf4]; unsigned int div_stat_isp0; unsigned int div_stat_isp1; unsigned int div_stat_isp2; - unsigned char res34[0x3f4]; + unsigned char res40[0x3f4]; unsigned int gate_ip_isp0; unsigned int gate_ip_isp1; - unsigned char res35[0xf8]; + unsigned char res41[0xf8]; unsigned int gate_sclk_isp; - unsigned char res36[0xc]; + unsigned char res42[0xc]; unsigned int mcuisp_pwr_ctrl; - unsigned char res37[0xec]; + unsigned char res43[0xec]; unsigned int clkout_cmu_isp; unsigned int clkout_cmu_isp_div_stat; - unsigned char res38[0x3618]; + unsigned char res44[0x3618]; unsigned int cpll_lock; - unsigned char res39[0xc]; + unsigned char res45[0xc]; unsigned int epll_lock; - unsigned char res40[0xc]; + unsigned char res46[0xc]; unsigned int vpll_lock; - unsigned char res41[0xdc]; + unsigned char res47[0xc]; + unsigned int gpll_lock; + unsigned char res48[0xcc]; unsigned int cpll_con0; unsigned int cpll_con1; - unsigned char res42[0x8]; + unsigned char res49[0x8]; unsigned int epll_con0; unsigned int epll_con1; unsigned int epll_con2; - unsigned char res43[0x4]; + unsigned char res50[0x4]; unsigned int vpll_con0; unsigned int vpll_con1; unsigned int vpll_con2; - unsigned char res44[0xc4]; + unsigned char res51[0x4]; + unsigned int gpll_con0; + unsigned int gpll_con1; + unsigned char res52[0xb8]; unsigned int src_top0; unsigned int src_top1; unsigned int src_top2; unsigned int src_top3; unsigned int src_gscl; - unsigned int src_disp0_0; - unsigned int src_disp0_1; + unsigned char res53[0x8]; unsigned int src_disp1_0; - unsigned int src_disp1_1; - unsigned char res46[0xc]; + unsigned char res54[0x10]; unsigned int src_mau; unsigned int src_fsys; - unsigned char res47[0x8]; + unsigned int src_gen; + unsigned char res55[0x4]; unsigned int src_peric0; unsigned int src_peric1; - unsigned char res48[0x18]; + unsigned char res56[0x18]; unsigned int sclk_src_isp; - unsigned char res49[0x9c]; + unsigned char res57[0x9c]; unsigned int src_mask_top; - unsigned char res50[0xc]; + unsigned char res58[0xc]; unsigned int src_mask_gscl; - unsigned int src_mask_disp0_0; - unsigned int src_mask_disp0_1; + unsigned char res59[0x8]; unsigned int src_mask_disp1_0; - unsigned int src_mask_disp1_1; - unsigned int src_mask_maudio; - unsigned char res52[0x8]; + unsigned char res60[0x4]; + unsigned int src_mask_mau; + unsigned char res61[0x8]; unsigned int src_mask_fsys; - unsigned char res53[0xc]; + unsigned int src_mask_gen; + unsigned char res62[0x8]; unsigned int src_mask_peric0; unsigned int src_mask_peric1; - unsigned char res54[0x18]; + unsigned char res63[0x18]; unsigned int src_mask_isp; - unsigned char res55[0x9c]; + unsigned char res67[0x9c]; unsigned int mux_stat_top0; unsigned int mux_stat_top1; unsigned int mux_stat_top2; unsigned int mux_stat_top3; - unsigned char res56[0xf0]; + unsigned char res68[0xf0]; unsigned int div_top0; unsigned int div_top1; - unsigned char res57[0x8]; + unsigned char res69[0x8]; unsigned int div_gscl; - unsigned int div_disp0_0; - unsigned int div_disp0_1; + unsigned char res70[0x8]; unsigned int div_disp1_0; - unsigned int div_disp1_1; - unsigned char res59[0x8]; + unsigned char res71[0xc]; unsigned int div_gen; - unsigned char res60[0x4]; + unsigned char res72[0x4]; unsigned int div_mau; unsigned int div_fsys0; unsigned int div_fsys1; unsigned int div_fsys2; - unsigned int div_fsys3; + unsigned char res73[0x4]; unsigned int div_peric0; unsigned int div_peric1; unsigned int div_peric2; unsigned int div_peric3; unsigned int div_peric4; unsigned int div_peric5; - unsigned char res61[0x10]; + unsigned char res74[0x10]; unsigned int sclk_div_isp; - unsigned char res62[0xc]; + unsigned char res75[0xc]; unsigned int div2_ratio0; unsigned int div2_ratio1; - unsigned char res63[0x8]; + unsigned char res76[0x8]; unsigned int div4_ratio; - unsigned char res64[0x6c]; + unsigned char res77[0x6c]; unsigned int div_stat_top0; unsigned int div_stat_top1; - unsigned char res65[0x8]; + unsigned char res78[0x8]; unsigned int div_stat_gscl; - unsigned int div_stat_disp0_0; - unsigned int div_stat_disp0_1; + unsigned char res79[0x8]; unsigned int div_stat_disp1_0; - unsigned int div_stat_disp1_1; - unsigned char res67[0x8]; + unsigned char res80[0xc]; unsigned int div_stat_gen; - unsigned char res68[0x4]; - unsigned int div_stat_maudio; + unsigned char res81[0x4]; + unsigned int div_stat_mau; unsigned int div_stat_fsys0; unsigned int div_stat_fsys1; unsigned int div_stat_fsys2; - unsigned int div_stat_fsys3; + unsigned char res82[0x4]; unsigned int div_stat_peric0; unsigned int div_stat_peric1; unsigned int div_stat_peric2; unsigned int div_stat_peric3; unsigned int div_stat_peric4; unsigned int div_stat_peric5; - unsigned char res69[0x10]; + unsigned char res83[0x10]; unsigned int sclk_div_stat_isp; - unsigned char res70[0xc]; + unsigned char res84[0xc]; unsigned int div2_stat0; unsigned int div2_stat1; - unsigned char res71[0x8]; + unsigned char res85[0x8]; unsigned int div4_stat; - unsigned char res72[0x180]; - unsigned int gate_top_sclk_disp0; + unsigned char res86[0x184]; unsigned int gate_top_sclk_disp1; unsigned int gate_top_sclk_gen; - unsigned char res74[0xc]; + unsigned char res87[0xc]; unsigned int gate_top_sclk_mau; unsigned int gate_top_sclk_fsys; - unsigned char res75[0xc]; + unsigned char res88[0xc]; unsigned int gate_top_sclk_peric; - unsigned char res76[0x1c]; + unsigned char res89[0x1c]; unsigned int gate_top_sclk_isp; - unsigned char res77[0xac]; + unsigned char res90[0xac]; unsigned int gate_ip_gscl; - unsigned int gate_ip_disp0; + unsigned char res91[0x4]; unsigned int gate_ip_disp1; unsigned int gate_ip_mfc; unsigned int gate_ip_g3d; unsigned int gate_ip_gen; - unsigned char res79[0xc]; + unsigned char res92[0xc]; unsigned int gate_ip_fsys; - unsigned char res80[0x4]; - unsigned int gate_ip_gps; + unsigned char res93[0x8]; unsigned int gate_ip_peric; - unsigned char res81[0xc]; + unsigned char res94[0xc]; unsigned int gate_ip_peris; - unsigned char res82[0x1c]; + unsigned char res95[0x1c]; unsigned int gate_block; - unsigned char res83[0x7c]; + unsigned char res96[0x1c]; + unsigned int mcuiop_pwr_ctrl; + unsigned char res97[0x5c]; unsigned int clkout_cmu_top; unsigned int clkout_cmu_top_div_stat; - unsigned char res84[0x37f8]; + unsigned char res98[0x37f8]; unsigned int src_lex; - unsigned char res85[0x2fc]; + unsigned char res99[0x1fc]; + unsigned int mux_stat_lex; + unsigned char res100[0xfc]; unsigned int div_lex; - unsigned char res86[0xfc]; + unsigned char res101[0xfc]; unsigned int div_stat_lex; - unsigned char res87[0x1fc]; + unsigned char res102[0x1fc]; unsigned int gate_ip_lex; - unsigned char res88[0x1fc]; + unsigned char res103[0x1fc]; unsigned int clkout_cmu_lex; unsigned int clkout_cmu_lex_div_stat; - unsigned char res89[0x3af8]; + unsigned char res104[0x3af8]; unsigned int div_r0x; - unsigned char res90[0xfc]; + unsigned char res105[0xfc]; unsigned int div_stat_r0x; - unsigned char res91[0x1fc]; + unsigned char res106[0x1fc]; unsigned int gate_ip_r0x; - unsigned char res92[0x1fc]; + unsigned char res107[0x1fc]; unsigned int clkout_cmu_r0x; unsigned int clkout_cmu_r0x_div_stat; - unsigned char res94[0x3af8]; + unsigned char res108[0x3af8]; unsigned int div_r1x; - unsigned char res95[0xfc]; + unsigned char res109[0xfc]; unsigned int div_stat_r1x; - unsigned char res96[0x1fc]; + unsigned char res110[0x1fc]; unsigned int gate_ip_r1x; - unsigned char res97[0x1fc]; + unsigned char res111[0x1fc]; unsigned int clkout_cmu_r1x; unsigned int clkout_cmu_r1x_div_stat; - unsigned char res98[0x3608]; + unsigned char res112[0x3608]; unsigned int bpll_lock; - unsigned char res99[0xfc]; + unsigned char res113[0xfc]; unsigned int bpll_con0; unsigned int bpll_con1; - unsigned char res100[0xe8]; + unsigned char res114[0xe8]; unsigned int src_cdrex; - unsigned char res101[0x1fc]; + unsigned char res115[0x1fc]; unsigned int mux_stat_cdrex; - unsigned char res102[0xfc]; + unsigned char res116[0xfc]; unsigned int div_cdrex; - unsigned int div_cdrex2; - unsigned char res103[0xf8]; + unsigned char res117[0xfc]; unsigned int div_stat_cdrex; - unsigned char res104[0x2fc]; + unsigned char res118[0x2fc]; unsigned int gate_ip_cdrex; - unsigned char res105[0xc]; - unsigned int c2c_monitor; - unsigned int dmc_pwr_ctrl; - unsigned char res106[0x4]; + unsigned char res119[0x10]; + unsigned int dmc_freq_ctrl; + unsigned char res120[0x4]; unsigned int drex2_pause; - unsigned char res107[0xe0]; + unsigned char res121[0xe0]; unsigned int clkout_cmu_cdrex; unsigned int clkout_cmu_cdrex_div_stat; - unsigned char res108[0x8]; + unsigned char res122[0x8]; unsigned int lpddr3phy_ctrl; - unsigned char res109[0xf5f8]; + unsigned int lpddr3phy_con0; + unsigned int lpddr3phy_con1; + unsigned int lpddr3phy_con2; + unsigned int lpddr3phy_con3; + unsigned int pll_div2_sel; + unsigned char res123[0xf5d8]; }; #endif - #endif

Add new clock values for Exynos5250 Rev 1.0

Signed-off-by: Hatim Ali hatim.rv@samsung.com Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com --- Changes in V2: - None Changes in V3: - Set Peric3 clock for PWM Ratio. Changes in V4: - None board/samsung/smdk5250/clock_init.c | 714 +++++++++++++++++++++++++++++------ board/samsung/smdk5250/clock_init.h | 149 ++++++++ board/samsung/smdk5250/setup.h | 715 ++++++++++++++++++++--------------- 3 files changed, 1138 insertions(+), 440 deletions(-) create mode 100644 board/samsung/smdk5250/clock_init.h

diff --git a/board/samsung/smdk5250/clock_init.c b/board/samsung/smdk5250/clock_init.c index 305842d..c009ae5 100644 --- a/board/samsung/smdk5250/clock_init.c +++ b/board/samsung/smdk5250/clock_init.c @@ -22,181 +22,645 @@ * MA 02111-1307 USA */

+#include <common.h> #include <config.h> -#include <version.h> #include <asm/io.h> +#include <asm/arch/clk.h> #include <asm/arch/clock.h> -#include <asm/arch/cpu.h> -#include <asm/arch/gpio.h> +#include <asm/arch/spl.h> + +#include "clock_init.h" #include "setup.h"

-void system_clock_init() +DECLARE_GLOBAL_DATA_PTR; + +struct arm_clk_ratios arm_clk_ratios[] = { + { + .arm_freq_mhz = 600, + + .apll_mdiv = 0xc8, + .apll_pdiv = 0x4, + .apll_sdiv = 0x1, + + .arm2_ratio = 0x0, + .apll_ratio = 0x1, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x2, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x1, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 800, + + .apll_mdiv = 0x64, + .apll_pdiv = 0x3, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x1, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x3, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x2, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 1000, + + .apll_mdiv = 0x7d, + .apll_pdiv = 0x3, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x1, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x4, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x2, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 1200, + + .apll_mdiv = 0x96, + .apll_pdiv = 0x3, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x3, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x5, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x3, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 1400, + + .apll_mdiv = 0xaf, + .apll_pdiv = 0x3, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x3, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x6, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x3, + .arm_ratio = 0x0, + }, { + .arm_freq_mhz = 1700, + + .apll_mdiv = 0x1a9, + .apll_pdiv = 0x6, + .apll_sdiv = 0x0, + + .arm2_ratio = 0x0, + .apll_ratio = 0x3, + .pclk_dbg_ratio = 0x1, + .atb_ratio = 0x6, + .periph_ratio = 0x7, + .acp_ratio = 0x7, + .cpud_ratio = 0x3, + .arm_ratio = 0x0, + } +}; +struct mem_timings mem_timings[] = { + { + .mem_manuf = MEM_MANUF_ELPIDA, + .mem_type = DDR_MODE_DDR3, + .frequency_mhz = 800, + .mpll_mdiv = 0xc8, + .mpll_pdiv = 0x3, + .mpll_sdiv = 0x0, + .cpll_mdiv = 0xde, + .cpll_pdiv = 0x4, + .cpll_sdiv = 0x2, + .gpll_mdiv = 0x215, + .gpll_pdiv = 0xc, + .gpll_sdiv = 0x1, + .epll_mdiv = 0x60, + .epll_pdiv = 0x3, + .epll_sdiv = 0x3, + .vpll_mdiv = 0x96, + .vpll_pdiv = 0x3, + .vpll_sdiv = 0x2, + + .bpll_mdiv = 0x64, + .bpll_pdiv = 0x3, + .bpll_sdiv = 0x0, + .pclk_cdrex_ratio = 0x5, + .direct_cmd_msr = { + 0x00020018, 0x00030000, 0x00010042, 0x00000d70 + }, + .timing_ref = 0x000000bb, + .timing_row = 0x8c36650e, + .timing_data = 0x3630580b, + .timing_power = 0x41000a44, + .phy0_dqs = 0x08080808, + .phy1_dqs = 0x08080808, + .phy0_dq = 0x08080808, + .phy1_dq = 0x08080808, + .phy0_tFS = 0x4, + .phy1_tFS = 0x4, + .phy0_pulld_dqs = 0xf, + .phy1_pulld_dqs = 0xf, + + .lpddr3_ctrl_phy_reset = 0x1, + .ctrl_start_point = 0x10, + .ctrl_inc = 0x10, + .ctrl_start = 0x1, + .ctrl_dll_on = 0x1, + .ctrl_ref = 0x8, + + .ctrl_force = 0x1a, + .ctrl_rdlat = 0x0b, + .ctrl_bstlen = 0x08, + + .fp_resync = 0x8, + .iv_size = 0x7, + .dfi_init_start = 1, + .aref_en = 1, + + .rd_fetch = 0x3, + + .zq_mode_dds = 0x7, + .zq_mode_term = 0x1, + .zq_mode_noterm = 0, + + /* + * Dynamic Clock: Always Running + * Memory Burst length: 8 + * Number of chips: 1 + * Memory Bus width: 32 bit + * Memory Type: DDR3 + * Additional Latancy for PLL: 0 Cycle + */ + .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE | + DMC_MEMCONTROL_DPWRDN_DISABLE | + DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE | + DMC_MEMCONTROL_TP_DISABLE | + DMC_MEMCONTROL_DSREF_ENABLE | + DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) | + DMC_MEMCONTROL_MEM_TYPE_DDR3 | + DMC_MEMCONTROL_MEM_WIDTH_32BIT | + DMC_MEMCONTROL_NUM_CHIP_1 | + DMC_MEMCONTROL_BL_8 | + DMC_MEMCONTROL_PZQ_DISABLE | + DMC_MEMCONTROL_MRR_BYTE_7_0, + .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED | + DMC_MEMCONFIGx_CHIP_COL_10 | + DMC_MEMCONFIGx_CHIP_ROW_15 | + DMC_MEMCONFIGx_CHIP_BANK_8, + .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40), + .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80), + .prechconfig_tp_cnt = 0xff, + .dpwrdn_cyc = 0xff, + .dsref_cyc = 0xffff, + .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE | + DMC_CONCONTROL_TIMEOUT_LEVEL0 | + DMC_CONCONTROL_RD_FETCH_DISABLE | + DMC_CONCONTROL_EMPTY_DISABLE | + DMC_CONCONTROL_AREF_EN_DISABLE | + DMC_CONCONTROL_IO_PD_CON_DISABLE, + .dmc_channels = 2, + .chips_per_channel = 2, + .chips_to_configure = 1, + .send_zq_init = 1, + .impedance = IMP_OUTPUT_DRV_30_OHM, + .gate_leveling_enable = 0, + }, { + .mem_manuf = MEM_MANUF_SAMSUNG, + .mem_type = DDR_MODE_DDR3, + .frequency_mhz = 800, + .mpll_mdiv = 0xc8, + .mpll_pdiv = 0x3, + .mpll_sdiv = 0x0, + .cpll_mdiv = 0xde, + .cpll_pdiv = 0x4, + .cpll_sdiv = 0x2, + .gpll_mdiv = 0x215, + .gpll_pdiv = 0xc, + .gpll_sdiv = 0x1, + .epll_mdiv = 0x60, + .epll_pdiv = 0x3, + .epll_sdiv = 0x3, + .vpll_mdiv = 0x96, + .vpll_pdiv = 0x3, + .vpll_sdiv = 0x2, + + .bpll_mdiv = 0x64, + .bpll_pdiv = 0x3, + .bpll_sdiv = 0x0, + .pclk_cdrex_ratio = 0x5, + .direct_cmd_msr = { + 0x00020018, 0x00030000, 0x00010000, 0x00000d70 + }, + .timing_ref = 0x000000bb, + .timing_row = 0x8c36650e, + .timing_data = 0x3630580b, + .timing_power = 0x41000a44, + .phy0_dqs = 0x08080808, + .phy1_dqs = 0x08080808, + .phy0_dq = 0x08080808, + .phy1_dq = 0x08080808, + .phy0_tFS = 0x8, + .phy1_tFS = 0x8, + .phy0_pulld_dqs = 0xf, + .phy1_pulld_dqs = 0xf, + + .lpddr3_ctrl_phy_reset = 0x1, + .ctrl_start_point = 0x10, + .ctrl_inc = 0x10, + .ctrl_start = 0x1, + .ctrl_dll_on = 0x1, + .ctrl_ref = 0x8, + + .ctrl_force = 0x1a, + .ctrl_rdlat = 0x0b, + .ctrl_bstlen = 0x08, + + .fp_resync = 0x8, + .iv_size = 0x7, + .dfi_init_start = 1, + .aref_en = 1, + + .rd_fetch = 0x3, + + .zq_mode_dds = 0x5, + .zq_mode_term = 0x1, + .zq_mode_noterm = 1, + + /* + * Dynamic Clock: Always Running + * Memory Burst length: 8 + * Number of chips: 1 + * Memory Bus width: 32 bit + * Memory Type: DDR3 + * Additional Latancy for PLL: 0 Cycle + */ + .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE | + DMC_MEMCONTROL_DPWRDN_DISABLE | + DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE | + DMC_MEMCONTROL_TP_DISABLE | + DMC_MEMCONTROL_DSREF_ENABLE | + DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) | + DMC_MEMCONTROL_MEM_TYPE_DDR3 | + DMC_MEMCONTROL_MEM_WIDTH_32BIT | + DMC_MEMCONTROL_NUM_CHIP_1 | + DMC_MEMCONTROL_BL_8 | + DMC_MEMCONTROL_PZQ_DISABLE | + DMC_MEMCONTROL_MRR_BYTE_7_0, + .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED | + DMC_MEMCONFIGx_CHIP_COL_10 | + DMC_MEMCONFIGx_CHIP_ROW_15 | + DMC_MEMCONFIGx_CHIP_BANK_8, + .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40), + .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80), + .prechconfig_tp_cnt = 0xff, + .dpwrdn_cyc = 0xff, + .dsref_cyc = 0xffff, + .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE | + DMC_CONCONTROL_TIMEOUT_LEVEL0 | + DMC_CONCONTROL_RD_FETCH_DISABLE | + DMC_CONCONTROL_EMPTY_DISABLE | + DMC_CONCONTROL_AREF_EN_DISABLE | + DMC_CONCONTROL_IO_PD_CON_DISABLE, + .dmc_channels = 2, + .chips_per_channel = 2, + .chips_to_configure = 1, + .send_zq_init = 1, + .impedance = IMP_OUTPUT_DRV_40_OHM, + .gate_leveling_enable = 1, + } +}; + +/** + * Get the required memory type and speed (SPL version). + * + * In SPL we have no device tree, so we use the machine parameters + * + * @param mem_type Returns memory type + * @param frequency_mhz Returns memory speed in MHz + * @param arm_freq Returns ARM clock speed in MHz + * @param mem_manuf Return Memory Manufacturer name + * @return 0 if all ok + */ +static int clock_get_mem_selection(enum ddr_mode *mem_type, + unsigned *frequency_mhz, unsigned *arm_freq, + enum mem_manuf *mem_manuf) { - struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE; + struct spl_machine_param *params;

- /* - * MUX_APLL_SEL[0]: FINPLL = 0 - * MUX_CPU_SEL[6]: MOUTAPLL = 0 - * MUX_HPM_SEL[20]: MOUTAPLL = 0 - */ - writel(0x0, &clk->src_cpu); + params = spl_get_machine_params(); + *mem_type = params->mem_type; + *frequency_mhz = params->frequency_mhz; + *arm_freq = params->arm_freq_mhz; + *mem_manuf = params->mem_manuf;

- /* MUX_MPLL_SEL[8]: FINPLL = 0 */ - writel(0x0, &clk->src_core1); + return 0; +}

- /* - * VPLLSRC_SEL[0]: FINPLL = 0 - * MUX_{CPLL[8]}|{EPLL[12]}|{VPLL[16]}_SEL: FINPLL = 0 - */ - writel(0x0, &clk->src_top2); +/* Get the ratios for setting ARM clock */ +struct arm_clk_ratios *get_arm_ratios(void) +{ + struct arm_clk_ratios *arm_ratio; + enum ddr_mode mem_type; + enum mem_manuf mem_manuf; + unsigned frequency_mhz, arm_freq; + int i; + + if (clock_get_mem_selection(&mem_type, &frequency_mhz, + &arm_freq, &mem_manuf)) + ; + for (i = 0, arm_ratio = arm_clk_ratios; i < ARRAY_SIZE(arm_clk_ratios); + i++, arm_ratio++) { + if (arm_ratio->arm_freq_mhz == arm_freq) + return arm_ratio; + } + + /* will hang if failed to find clock ratio */ + while (1) + ; + + return NULL; +}

- /* MUX_BPLL_SEL[0]: FINPLL = 0 */ - writel(0x0, &clk->src_cdrex); +struct mem_timings *clock_get_mem_timings(void) +{ + struct mem_timings *mem; + enum ddr_mode mem_type; + enum mem_manuf mem_manuf; + unsigned frequency_mhz, arm_freq; + int i; + + if (!clock_get_mem_selection(&mem_type, &frequency_mhz, + &arm_freq, &mem_manuf)) { + for (i = 0, mem = mem_timings; i < ARRAY_SIZE(mem_timings); + i++, mem++) { + if (mem->mem_type == mem_type && + mem->frequency_mhz == frequency_mhz && + mem->mem_manuf == mem_manuf) + return mem; + } + } + + /* will hang if failed to find memory timings */ + while (1) + ; + + return NULL; +}

- /* MUX_ACLK_* Clock Selection */ - writel(CLK_SRC_TOP0_VAL, &clk->src_top0); +void system_clock_init() +{ + struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE; + struct mem_timings *mem; + struct arm_clk_ratios *arm_clk_ratio; + u32 val, tmp; + + mem = clock_get_mem_timings(); + arm_clk_ratio = get_arm_ratios(); + + clrbits_le32(&clk->src_cpu, MUX_APLL_SEL_MASK); + do { + val = readl(&clk->mux_stat_cpu); + } while ((val | MUX_APLL_SEL_MASK) != val); + + clrbits_le32(&clk->src_core1, MUX_MPLL_SEL_MASK); + do { + val = readl(&clk->mux_stat_core1); + } while ((val | MUX_MPLL_SEL_MASK) != val); + + clrbits_le32(&clk->src_core1, MUX_CPLL_SEL_MASK); + clrbits_le32(&clk->src_core1, MUX_EPLL_SEL_MASK); + clrbits_le32(&clk->src_core1, MUX_VPLL_SEL_MASK); + clrbits_le32(&clk->src_core1, MUX_GPLL_SEL_MASK); + tmp = MUX_CPLL_SEL_MASK | MUX_EPLL_SEL_MASK | MUX_VPLL_SEL_MASK + | MUX_GPLL_SEL_MASK; + do { + val = readl(&clk->mux_stat_top2); + } while ((val | tmp) != val); + + clrbits_le32(&clk->src_cdrex, MUX_BPLL_SEL_MASK); + do { + val = readl(&clk->mux_stat_cdrex); + } while ((val | MUX_BPLL_SEL_MASK) != val);

- /* MUX_ACLK_* Clock Selection */ - writel(CLK_SRC_TOP1_VAL, &clk->src_top1); + /* PLL locktime */ + writel(APLL_LOCK_VAL, &clk->apll_lock);

- /* MUX_ACLK_* Clock Selection */ - writel(CLK_SRC_TOP3_VAL, &clk->src_top3); + writel(MPLL_LOCK_VAL, &clk->mpll_lock);

- /* MUX_PWI_SEL[19:16]: SCLKMPLL = 6 */ - writel(CLK_SRC_CORE0_VAL, &clk->src_core0); + writel(BPLL_LOCK_VAL, &clk->bpll_lock);

- /* MUX_ATCLK_LEX[0]: ACLK_200 = 0 */ - writel(CLK_SRC_LEX_VAL, &clk->src_lex); + writel(CPLL_LOCK_VAL, &clk->cpll_lock);

- /* UART [0-5]: SCLKMPLL = 6 */ - writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0); + writel(GPLL_LOCK_VAL, &clk->gpll_lock);

- /* Set Clock Ratios */ - writel(CLK_DIV_CPU0_VAL, &clk->div_cpu0); + writel(EPLL_LOCK_VAL, &clk->epll_lock); + + writel(VPLL_LOCK_VAL, &clk->vpll_lock); + + writel(CLK_REG_DISABLE, &clk->pll_div2_sel); + + writel(MUX_HPM_SEL_MASK, &clk->src_cpu); + do { + val = readl(&clk->mux_stat_cpu); + } while ((val | HPM_SEL_SCLK_MPLL) != val); + + val = arm_clk_ratio->arm2_ratio << 28 + | arm_clk_ratio->apll_ratio << 24 + | arm_clk_ratio->pclk_dbg_ratio << 20 + | arm_clk_ratio->atb_ratio << 16 + | arm_clk_ratio->periph_ratio << 12 + | arm_clk_ratio->acp_ratio << 8 + | arm_clk_ratio->cpud_ratio << 4 + | arm_clk_ratio->arm_ratio; + writel(val, &clk->div_cpu0); + do { + val = readl(&clk->div_stat_cpu0); + } while (0 != val);

- /* Set COPY and HPM Ratio */ writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1); + do { + val = readl(&clk->div_stat_cpu1); + } while (0 != val);

- /* CORED_RATIO, COREP_RATIO */ - writel(CLK_DIV_CORE0_VAL, &clk->div_core0); + /* Set APLL */ + writel(APLL_CON1_VAL, &clk->apll_con1); + val = set_pll(arm_clk_ratio->apll_mdiv, arm_clk_ratio->apll_pdiv, + arm_clk_ratio->apll_sdiv); + writel(val, &clk->apll_con0); + while (readl(&clk->apll_con0) & APLL_CON0_LOCKED) + ;

- /* PWI_RATIO[11:8], DVSEM_RATIO[22:16], DPM_RATIO[24:20] */ - writel(CLK_DIV_CORE1_VAL, &clk->div_core1); + /* Set MPLL */ + writel(MPLL_CON1_VAL, &clk->mpll_con1); + val = set_pll(mem->mpll_mdiv, mem->mpll_pdiv, mem->mpll_sdiv); + writel(val, &clk->mpll_con0); + while (readl(&clk->mpll_con0) & MPLL_CON0_LOCKED) + ;

- /* ACLK_*_RATIO */ - writel(CLK_DIV_TOP0_VAL, &clk->div_top0); + /* Set BPLL */ + writel(BPLL_CON1_VAL, &clk->bpll_con1); + val = set_pll(mem->bpll_mdiv, mem->bpll_pdiv, mem->bpll_sdiv); + writel(val, &clk->bpll_con0); + while (readl(&clk->bpll_con0) & BPLL_CON0_LOCKED) + ;

- /* ACLK_*_RATIO */ - writel(CLK_DIV_TOP1_VAL, &clk->div_top1); + /* Set CPLL */ + writel(CPLL_CON1_VAL, &clk->cpll_con1); + val = set_pll(mem->cpll_mdiv, mem->cpll_pdiv, mem->cpll_sdiv); + writel(val, &clk->cpll_con0); + while (readl(&clk->cpll_con0) & CPLL_CON0_LOCKED) + ; + + /* Set GPLL */ + writel(GPLL_CON1_VAL, &clk->gpll_con1); + val = set_pll(mem->gpll_mdiv, mem->gpll_pdiv, mem->gpll_sdiv); + writel(val, &clk->gpll_con0); + while (readl(&clk->gpll_con0) & GPLL_CON0_LOCKED) + ;

- /* CDREX Ratio */ - writel(CLK_DIV_CDREX_INIT_VAL, &clk->div_cdrex); + /* Set EPLL */ + writel(EPLL_CON2_VAL, &clk->epll_con2); + writel(EPLL_CON1_VAL, &clk->epll_con1); + val = set_pll(mem->epll_mdiv, mem->epll_pdiv, mem->epll_sdiv); + writel(val, &clk->epll_con0); + while (readl(&clk->epll_con0) & EPLL_CON0_LOCKED) + ;

- /* MCLK_EFPHY_RATIO[3:0] */ - writel(CLK_DIV_CDREX2_VAL, &clk->div_cdrex2); + /* Set VPLL */ + writel(VPLL_CON2_VAL, &clk->vpll_con2); + writel(VPLL_CON1_VAL, &clk->vpll_con1); + val = set_pll(mem->vpll_mdiv, mem->vpll_pdiv, mem->vpll_sdiv); + writel(val, &clk->vpll_con0); + while (readl(&clk->vpll_con0) & VPLL_CON0_LOCKED) + ;

- /* {PCLK[4:6]|ATCLK[10:8]}_RATIO */ - writel(CLK_DIV_LEX_VAL, &clk->div_lex); + writel(CLK_SRC_CORE0_VAL, &clk->src_core0); + writel(CLK_DIV_CORE0_VAL, &clk->div_core0); + while (readl(&clk->div_stat_core0) != 0) + ;

- /* PCLK_R0X_RATIO[3:0] */ - writel(CLK_DIV_R0X_VAL, &clk->div_r0x); + writel(CLK_DIV_CORE1_VAL, &clk->div_core1); + while (readl(&clk->div_stat_core1) != 0) + ;

- /* PCLK_R1X_RATIO[3:0] */ - writel(CLK_DIV_R1X_VAL, &clk->div_r1x); + writel(CLK_DIV_SYSRGT_VAL, &clk->div_sysrgt); + while (readl(&clk->div_stat_sysrgt) != 0) + ;

- /* SATA[24]: SCLKMPLL=0, MMC[0-4]: SCLKMPLL = 6 */ - writel(CLK_SRC_FSYS_VAL, &clk->src_fsys); + writel(CLK_DIV_ACP_VAL, &clk->div_acp); + while (readl(&clk->div_stat_acp) != 0) + ;

- /* UART[0-4] */ - writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0); + writel(CLK_DIV_SYSLFT_VAL, &clk->div_syslft); + while (readl(&clk->div_stat_syslft) != 0) + ;

- /* PWM_RATIO[3:0] */ - writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3); + writel(CLK_SRC_TOP0_VAL, &clk->src_top0); + writel(CLK_SRC_TOP1_VAL, &clk->src_top1); + writel(TOP2_VAL, &clk->src_top2); + writel(CLK_SRC_TOP3_VAL, &clk->src_top3);

- /* SATA_RATIO, USB_DRD_RATIO */ - writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0); + writel(CLK_DIV_TOP0_VAL, &clk->div_top0); + while (readl(&clk->div_stat_top0)) + ;

- /* MMC[0-1] */ - writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1); + writel(CLK_DIV_TOP1_VAL, &clk->div_top1); + while (readl(&clk->div_stat_top1)) + ;

- /* MMC[2-3] */ - writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2); + writel(CLK_SRC_LEX_VAL, &clk->src_lex); + while (1) { + val = readl(&clk->mux_stat_lex); + if (val == (val | 1)) + break; + }

- /* MMC[4] */ - writel(CLK_DIV_FSYS3_VAL, &clk->div_fsys3); + writel(CLK_DIV_LEX_VAL, &clk->div_lex); + while (readl(&clk->div_stat_lex)) + ;

- /* ACLK|PLCK_ACP_RATIO */ - writel(CLK_DIV_ACP_VAL, &clk->div_acp); + writel(CLK_DIV_R0X_VAL, &clk->div_r0x); + while (readl(&clk->div_stat_r0x)) + ;

- /* ISPDIV0_RATIO, ISPDIV1_RATIO */ - writel(CLK_DIV_ISP0_VAL, &clk->div_isp0); + writel(CLK_DIV_R0X_VAL, &clk->div_r0x); + while (readl(&clk->div_stat_r0x)) + ;

- /* MCUISPDIV0_RATIO, MCUISPDIV1_RATIO */ - writel(CLK_DIV_ISP1_VAL, &clk->div_isp1); + writel(CLK_DIV_R1X_VAL, &clk->div_r1x); + while (readl(&clk->div_stat_r1x)) + ;

- /* MPWMDIV_RATIO */ - writel(CLK_DIV_ISP2_VAL, &clk->div_isp2); + writel(CLK_REG_DISABLE, &clk->src_cdrex);

- /* PLL locktime */ - writel(APLL_LOCK_VAL, &clk->apll_lock); + writel(CLK_DIV_CDREX_VAL, &clk->div_cdrex); + while (readl(&clk->div_stat_cdrex)) + ;

- writel(MPLL_LOCK_VAL, &clk->mpll_lock); + val = readl(&clk->src_cpu); + val |= CLK_SRC_CPU_VAL; + writel(val, &clk->src_cpu);

- writel(BPLL_LOCK_VAL, &clk->bpll_lock); + val = readl(&clk->src_top2); + val |= CLK_SRC_TOP2_VAL; + writel(val, &clk->src_top2);

- writel(CPLL_LOCK_VAL, &clk->cpll_lock); + val = readl(&clk->src_core1); + val |= CLK_SRC_CORE1_VAL; + writel(val, &clk->src_core1);

- writel(EPLL_LOCK_VAL, &clk->epll_lock); + writel(CLK_SRC_FSYS0_VAL, &clk->src_fsys); + writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0); + while (readl(&clk->div_stat_fsys0)) + ; + + writel(CLK_REG_DISABLE, &clk->clkout_cmu_cpu); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_core); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_acp); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_top); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_lex); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_r0x); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_r1x); + writel(CLK_REG_DISABLE, &clk->clkout_cmu_cdrex);

- writel(VPLL_LOCK_VAL, &clk->vpll_lock); + writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0); + writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0);

- sdelay(0x10000); + writel(CLK_SRC_PERIC1_VAL, &clk->src_peric1); + writel(CLK_DIV_PERIC1_VAL, &clk->div_peric1); + writel(CLK_DIV_PERIC2_VAL, &clk->div_peric2); + writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3);

- /* Set APLL */ - writel(APLL_CON1_VAL, &clk->apll_con1); - writel(APLL_CON0_VAL, &clk->apll_con0); - sdelay(0x30000); + writel(SCLK_SRC_ISP_VAL, &clk->sclk_src_isp); + writel(SCLK_DIV_ISP_VAL, &clk->sclk_div_isp); + writel(CLK_DIV_ISP0_VAL, &clk->div_isp0); + writel(CLK_DIV_ISP1_VAL, &clk->div_isp1); + writel(CLK_DIV_ISP2_VAL, &clk->div_isp2);

- /* Set MPLL */ - writel(MPLL_CON1_VAL, &clk->mpll_con1); - writel(MPLL_CON0_VAL, &clk->mpll_con0); - sdelay(0x30000); - writel(BPLL_CON1_VAL, &clk->bpll_con1); - writel(BPLL_CON0_VAL, &clk->bpll_con0); - sdelay(0x30000); + /* FIMD1 SRC CLK SELECTION */ + writel(CLK_SRC_DISP1_0_VAL, &clk->src_disp1_0);

- /* Set CPLL */ - writel(CPLL_CON1_VAL, &clk->cpll_con1); - writel(CPLL_CON0_VAL, &clk->cpll_con0); - sdelay(0x30000); + val = MMC2_PRE_RATIO_VAL << MMC2_PRE_RATIO_OFFSET + | MMC2_RATIO_VAL << MMC2_RATIO_OFFSET + | MMC3_PRE_RATIO_VAL << MMC3_PRE_RATIO_OFFSET + | MMC3_RATIO_VAL << MMC3_RATIO_OFFSET; + writel(val, &clk->div_fsys2); +}

- /* Set EPLL */ - writel(EPLL_CON2_VAL, &clk->epll_con2); - writel(EPLL_CON1_VAL, &clk->epll_con1); - writel(EPLL_CON0_VAL, &clk->epll_con0); - sdelay(0x30000); +void clock_init_dp_clock(void) +{ + struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;

- /* Set VPLL */ - writel(VPLL_CON2_VAL, &clk->vpll_con2); - writel(VPLL_CON1_VAL, &clk->vpll_con1); - writel(VPLL_CON0_VAL, &clk->vpll_con0); - sdelay(0x30000); + /* DP clock enable */ + setbits_le32(&clk->gate_ip_disp1, CLK_GATE_DP1_ALLOW);

- /* Set MPLL */ - /* After Initiallising th PLL select the sources accordingly */ - /* MUX_APLL_SEL[0]: MOUTAPLLFOUT = 1 */ - writel(CLK_SRC_CPU_VAL, &clk->src_cpu); - - /* MUX_MPLL_SEL[8]: MOUTMPLLFOUT = 1 */ - writel(CLK_SRC_CORE1_VAL, &clk->src_core1); - - /* MUX_BPLL_SEL[0]: FOUTBPLL = 1*/ - writel(CLK_SRC_CDREX_INIT_VAL, &clk->src_cdrex); - - /* - * VPLLSRC_SEL[0]: FINPLL = 0 - * MUX_{CPLL[8]}|{EPLL[12]}|{VPLL[16]}_SEL: MOUT{CPLL|EPLL|VPLL} = 1 - * MUX_{MPLL[20]}|{BPLL[24]}_USER_SEL: FOUT{MPLL|BPLL} = 1 - */ - writel(CLK_SRC_TOP2_VAL, &clk->src_top2); + /* We run DP at 267 Mhz */ + setbits_le32(&clk->div_disp1_0, CLK_DIV_DISP1_0_FIMD1); } diff --git a/board/samsung/smdk5250/clock_init.h b/board/samsung/smdk5250/clock_init.h new file mode 100644 index 0000000..f751bcb --- /dev/null +++ b/board/samsung/smdk5250/clock_init.h @@ -0,0 +1,149 @@ +/* + * Clock initialization routines + * + * Copyright (c) 2011 The Chromium OS Authors. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __EXYNOS_CLOCK_INIT_H +#define __EXYNOS_CLOCK_INIT_H + +enum { + MEM_TIMINGS_MSR_COUNT = 4, +}; + +/* These are the ratio's for configuring ARM clock */ +struct arm_clk_ratios { + unsigned arm_freq_mhz; /* Frequency of ARM core in MHz */ + + unsigned apll_mdiv; + unsigned apll_pdiv; + unsigned apll_sdiv; + + unsigned arm2_ratio; + unsigned apll_ratio; + unsigned pclk_dbg_ratio; + unsigned atb_ratio; + unsigned periph_ratio; + unsigned acp_ratio; + unsigned cpud_ratio; + unsigned arm_ratio; +}; + +/* These are the memory timings for a particular memory type and speed */ +struct mem_timings { + enum mem_manuf mem_manuf; /* Memory manufacturer */ + enum ddr_mode mem_type; /* Memory type */ + unsigned frequency_mhz; /* Frequency of memory in MHz */ + + /* Here follow the timing parameters for the selected memory */ + unsigned apll_mdiv; + unsigned apll_pdiv; + unsigned apll_sdiv; + unsigned mpll_mdiv; + unsigned mpll_pdiv; + unsigned mpll_sdiv; + unsigned cpll_mdiv; + unsigned cpll_pdiv; + unsigned cpll_sdiv; + unsigned gpll_mdiv; + unsigned gpll_pdiv; + unsigned gpll_sdiv; + unsigned epll_mdiv; + unsigned epll_pdiv; + unsigned epll_sdiv; + unsigned vpll_mdiv; + unsigned vpll_pdiv; + unsigned vpll_sdiv; + unsigned bpll_mdiv; + unsigned bpll_pdiv; + unsigned bpll_sdiv; + unsigned pclk_cdrex_ratio; + unsigned direct_cmd_msr[MEM_TIMINGS_MSR_COUNT]; + + unsigned timing_ref; + unsigned timing_row; + unsigned timing_data; + unsigned timing_power; + + /* DQS, DQ, DEBUG offsets */ + unsigned phy0_dqs; + unsigned phy1_dqs; + unsigned phy0_dq; + unsigned phy1_dq; + unsigned phy0_tFS; + unsigned phy1_tFS; + unsigned phy0_pulld_dqs; + unsigned phy1_pulld_dqs; + + unsigned lpddr3_ctrl_phy_reset; + unsigned ctrl_start_point; + unsigned ctrl_inc; + unsigned ctrl_start; + unsigned ctrl_dll_on; + unsigned ctrl_ref; + + unsigned ctrl_force; + unsigned ctrl_rdlat; + unsigned ctrl_bstlen; + + unsigned fp_resync; + unsigned iv_size; + unsigned dfi_init_start; + unsigned aref_en; + + unsigned rd_fetch; + + unsigned zq_mode_dds; + unsigned zq_mode_term; + unsigned zq_mode_noterm; /* 1 to allow termination disable */ + + unsigned memcontrol; + unsigned memconfig; + + unsigned membaseconfig0; + unsigned membaseconfig1; + unsigned prechconfig_tp_cnt; + unsigned dpwrdn_cyc; + unsigned dsref_cyc; + unsigned concontrol; + /* Channel and Chip Selection */ + uint8_t dmc_channels; /* number of memory channels */ + uint8_t chips_per_channel; /* number of chips per channel */ + uint8_t chips_to_configure; /* number of chips to configure */ + uint8_t send_zq_init; /* 1 to send this command */ + unsigned impedance; /* drive strength impedeance */ + uint8_t gate_leveling_enable; /* check gate leveling is enabled */ +}; + +/** + * Get the correct memory timings for our selected memory type and speed. + * + * This function can be called from SPL or the main U-Boot. + * + * @return pointer to the memory timings that we should use + */ +struct mem_timings *clock_get_mem_timings(void); + +/* + * Initialize clock for the device + */ +void system_clock_init(void); +#endif diff --git a/board/samsung/smdk5250/setup.h b/board/samsung/smdk5250/setup.h index 1276fd3..bae0faf 100644 --- a/board/samsung/smdk5250/setup.h +++ b/board/samsung/smdk5250/setup.h @@ -1,5 +1,5 @@ /* - * Machine Specific Values for SMDK5250 board based on S5PC520 + * Machine Specific Values for SMDK5250 board based on EXYNOS5 * * Copyright (C) 2012 Samsung Electronics * @@ -26,12 +26,6 @@ #define _SMDK5250_SETUP_H

#include <config.h> -#include <version.h> -#include <asm/arch/cpu.h> - -/* GPIO Offsets for UART: GPIO Contol Register */ -#define EXYNOS5_GPIO_A0_CON_OFFSET 0x0 -#define EXYNOS5_GPIO_A1_CON_OFFSET 0x20

/* TZPC : Register Offsets */ #define TZPC0_BASE 0x10100000 @@ -45,295 +39,423 @@ #define TZPC8_BASE 0x10180000 #define TZPC9_BASE 0x10190000

-/* CLK_SRC_CPU */ -/* 0 = MOUTAPLL, 1 = SCLKMPLL */ -#define MUX_HPM_SEL 0 -#define MUX_CPU_SEL 0 -#define MUX_APLL_SEL 1 -#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL << 20) \ - | (MUX_CPU_SEL << 16) \ - | (MUX_APLL_SEL)) - -/* CLK_DIV_CPU0 */ -#define ARM2_RATIO 0x0 -#define APLL_RATIO 0x1 -#define PCLK_DBG_RATIO 0x1 -#define ATB_RATIO 0x4 -#define PERIPH_RATIO 0x7 -#define ACP_RATIO 0x7 -#define CPUD_RATIO 0x2 -#define ARM_RATIO 0x0 -#define CLK_DIV_CPU0_VAL ((ARM2_RATIO << 28) \ - | (APLL_RATIO << 24) \ - | (PCLK_DBG_RATIO << 20) \ - | (ATB_RATIO << 16) \ - | (PERIPH_RATIO << 12) \ - | (ACP_RATIO << 8) \ - | (CPUD_RATIO << 4) \ - | (ARM_RATIO)) - -/* CLK_DIV_CPU1 */ -#define HPM_RATIO 0x4 -#define COPY_RATIO 0x0 -#define CLK_DIV_CPU1_VAL ((HPM_RATIO << 4) \ - | (COPY_RATIO)) - -#define APLL_MDIV 0x7D -#define APLL_PDIV 0x3 -#define APLL_SDIV 0x0 - -#define MPLL_MDIV 0x64 -#define MPLL_PDIV 0x3 -#define MPLL_SDIV 0x0 - -#define CPLL_MDIV 0x96 -#define CPLL_PDIV 0x4 -#define CPLL_SDIV 0x0 - -/* APLL_CON1 */ +/* APLL_CON1 */ #define APLL_CON1_VAL (0x00203800)

-/* MPLL_CON1 */ -#define MPLL_CON1_VAL (0x00203800) +/* MPLL_CON1 */ +#define MPLL_CON1_VAL (0x00203800)

-/* CPLL_CON1 */ +/* CPLL_CON1 */ #define CPLL_CON1_VAL (0x00203800)

-#define EPLL_MDIV 0x60 -#define EPLL_PDIV 0x3 -#define EPLL_SDIV 0x3 +/* GPLL_CON1 */ +#define GPLL_CON1_VAL (0x00203800)

+/* EPLL_CON1, CON2 */ #define EPLL_CON1_VAL 0x00000000 #define EPLL_CON2_VAL 0x00000080

-#define VPLL_MDIV 0x96 -#define VPLL_PDIV 0x3 -#define VPLL_SDIV 0x2 - +/* VPLL_CON1, CON2 */ #define VPLL_CON1_VAL 0x00000000 #define VPLL_CON2_VAL 0x00000080

-#define BPLL_MDIV 0x215 -#define BPLL_PDIV 0xC -#define BPLL_SDIV 0x1 - +/* BPLL_CON1 */ #define BPLL_CON1_VAL 0x00203800

/* Set PLL */ #define set_pll(mdiv, pdiv, sdiv) (1<<31 | mdiv<<16 | pdiv<<8 | sdiv)

-#define APLL_CON0_VAL set_pll(APLL_MDIV, APLL_PDIV, APLL_SDIV) -#define MPLL_CON0_VAL set_pll(MPLL_MDIV, MPLL_PDIV, MPLL_SDIV) -#define CPLL_CON0_VAL set_pll(CPLL_MDIV, CPLL_PDIV, CPLL_SDIV) -#define EPLL_CON0_VAL set_pll(EPLL_MDIV, EPLL_PDIV, EPLL_SDIV) -#define VPLL_CON0_VAL set_pll(VPLL_MDIV, VPLL_PDIV, VPLL_SDIV) -#define BPLL_CON0_VAL set_pll(BPLL_MDIV, BPLL_PDIV, BPLL_SDIV) +/* CLK_SRC_CPU */ +/* 0 = MOUTAPLL, 1 = SCLKMPLL */ +#define MUX_HPM_SEL 0 +#define MUX_CPU_SEL 0 +#define MUX_APLL_SEL 1 + +#define CLK_SRC_CPU_VAL ((MUX_HPM_SEL << 20) \ + | (MUX_CPU_SEL << 16) \ + | (MUX_APLL_SEL)) + +/* MEMCONTROL register bit fields */ +#define DMC_MEMCONTROL_CLK_STOP_DISABLE (0 << 0) +#define DMC_MEMCONTROL_DPWRDN_DISABLE (0 << 1) +#define DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE (0 << 2) +#define DMC_MEMCONTROL_TP_DISABLE (0 << 4) +#define DMC_MEMCONTROL_DSREF_DISABLE (0 << 5) +#define DMC_MEMCONTROL_DSREF_ENABLE (1 << 5) +#define DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(x) (x << 6) + +#define DMC_MEMCONTROL_MEM_TYPE_LPDDR3 (7 << 8) +#define DMC_MEMCONTROL_MEM_TYPE_DDR3 (6 << 8) +#define DMC_MEMCONTROL_MEM_TYPE_LPDDR2 (5 << 8) + +#define DMC_MEMCONTROL_MEM_WIDTH_32BIT (2 << 12) + +#define DMC_MEMCONTROL_NUM_CHIP_1 (0 << 16) +#define DMC_MEMCONTROL_NUM_CHIP_2 (1 << 16) + +#define DMC_MEMCONTROL_BL_8 (3 << 20) +#define DMC_MEMCONTROL_BL_4 (2 << 20) + +#define DMC_MEMCONTROL_PZQ_DISABLE (0 << 24) + +#define DMC_MEMCONTROL_MRR_BYTE_7_0 (0 << 25) +#define DMC_MEMCONTROL_MRR_BYTE_15_8 (1 << 25) +#define DMC_MEMCONTROL_MRR_BYTE_23_16 (2 << 25) +#define DMC_MEMCONTROL_MRR_BYTE_31_24 (3 << 25) + +/* MEMCONFIG0 register bit fields */ +#define DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED (1 << 12) +#define DMC_MEMCONFIGx_CHIP_COL_10 (3 << 8) +#define DMC_MEMCONFIGx_CHIP_ROW_14 (2 << 4) +#define DMC_MEMCONFIGx_CHIP_ROW_15 (3 << 4) +#define DMC_MEMCONFIGx_CHIP_BANK_8 (3 << 0) + +#define DMC_MEMBASECONFIGx_CHIP_BASE(x) (x << 16) +#define DMC_MEMBASECONFIGx_CHIP_MASK(x) (x << 0) +#define DMC_MEMBASECONFIG_VAL(x) ( \ + DMC_MEMBASECONFIGx_CHIP_BASE(x) | \ + DMC_MEMBASECONFIGx_CHIP_MASK(0x780) \ +) + +#define DMC_MEMBASECONFIG0_VAL DMC_MEMBASECONFIG_VAL(0x40) +#define DMC_MEMBASECONFIG1_VAL DMC_MEMBASECONFIG_VAL(0x80) + +#define DMC_PRECHCONFIG_VAL 0xFF000000 +#define DMC_PWRDNCONFIG_VAL 0xFFFF00FF + +#define DMC_CONCONTROL_RESET_VAL 0x0FFF0000 +#define DFI_INIT_START (1 << 28) +#define EMPTY (1 << 8) +#define AREF_EN (1 << 5) + +#define DFI_INIT_COMPLETE_CHO (1 << 2) +#define DFI_INIT_COMPLETE_CH1 (1 << 3) + +#define RDLVL_COMPLETE_CHO (1 << 14) +#define RDLVL_COMPLETE_CH1 (1 << 15) + +#define CLK_STOP_EN (1 << 0) +#define DPWRDN_EN (1 << 1) +#define DSREF_EN (1 << 5) + +/* COJCONTROL register bit fields */ +#define DMC_CONCONTROL_IO_PD_CON_DISABLE (0 << 3) +#define DMC_CONCONTROL_AREF_EN_DISABLE (0 << 5) +#define DMC_CONCONTROL_EMPTY_DISABLE (0 << 8) +#define DMC_CONCONTROL_EMPTY_ENABLE (1 << 8) +#define DMC_CONCONTROL_RD_FETCH_DISABLE (0x0 << 12) +#define DMC_CONCONTROL_TIMEOUT_LEVEL0 (0xFFF << 16) +#define DMC_CONCONTROL_DFI_INIT_START_DISABLE (0 << 28) + +/* CLK_DIV_CPU0_VAL */ +#define CLK_DIV_CPU0_VAL ((ARM2_RATIO << 28) \ + | (APLL_RATIO << 24) \ + | (PCLK_DBG_RATIO << 20) \ + | (ATB_RATIO << 16) \ + | (PERIPH_RATIO << 12) \ + | (ACP_RATIO << 8) \ + | (CPUD_RATIO << 4) \ + | (ARM_RATIO)) + + +/* CLK_FSYS */ +#define CLK_SRC_FSYS0_VAL 0x66666 +#define CLK_DIV_FSYS0_VAL 0x0BB00000 + +/* CLK_DIV_CPU1 */ +#define HPM_RATIO 0x2 +#define COPY_RATIO 0x0 + +/* CLK_DIV_CPU1 = 0x00000003 */ +#define CLK_DIV_CPU1_VAL ((HPM_RATIO << 4) \ + | (COPY_RATIO))

/* CLK_SRC_CORE0 */ -#define CLK_SRC_CORE0_VAL 0x00060000 +#define CLK_SRC_CORE0_VAL 0x00000000

/* CLK_SRC_CORE1 */ -#define CLK_SRC_CORE1_VAL 0x100 +#define CLK_SRC_CORE1_VAL 0x100

/* CLK_DIV_CORE0 */ -#define CLK_DIV_CORE0_VAL 0x120000 +#define CLK_DIV_CORE0_VAL 0x00120000

/* CLK_DIV_CORE1 */ -#define CLK_DIV_CORE1_VAL 0x07070700 +#define CLK_DIV_CORE1_VAL 0x07070700 + +/* CLK_DIV_SYSRGT */ +#define CLK_DIV_SYSRGT_VAL 0x00000111 + +/* CLK_DIV_ACP */ +#define CLK_DIV_ACP_VAL 0x12 + +/* CLK_DIV_SYSLFT */ +#define CLK_DIV_SYSLFT_VAL 0x00000311

/* CLK_SRC_CDREX */ -#define CLK_SRC_CDREX_INIT_VAL 0x1 -#define CLK_SRC_CDREX_VAL 0x111 +#define CLK_SRC_CDREX_VAL 0x1

/* CLK_DIV_CDREX */ -#define CLK_DIV_CDREX_INIT_VAL 0x71771111 - -#define MCLK_CDREX2_RATIO 0x0 -#define ACLK_EFCON_RATIO 0x1 -#define MCLK_DPHY_RATIO 0x0 -#define MCLK_CDREX_RATIO 0x0 +#define MCLK_CDREX2_RATIO 0x0 +#define ACLK_EFCON_RATIO 0x1 +#define MCLK_DPHY_RATIO 0x1 +#define MCLK_CDREX_RATIO 0x1 #define ACLK_C2C_200_RATIO 0x1 #define C2C_CLK_400_RATIO 0x1 -#define PCLK_CDREX_RATIO 0x3 +#define PCLK_CDREX_RATIO 0x1 #define ACLK_CDREX_RATIO 0x1 -#define CLK_DIV_CDREX_VAL ((MCLK_DPHY_RATIO << 20) \ - | (MCLK_CDREX_RATIO << 16) \ - | (ACLK_C2C_200_RATIO << 12) \ - | (C2C_CLK_400_RATIO << 8) \ - | (PCLK_CDREX_RATIO << 4) \ - | (ACLK_CDREX_RATIO))

-#define MCLK_EFPHY_RATIO 0x4 -#define CLK_DIV_CDREX2_VAL MCLK_EFPHY_RATIO +#define CLK_DIV_CDREX_VAL ((MCLK_DPHY_RATIO << 24) \ + | (C2C_CLK_400_RATIO << 6) \ + | (PCLK_CDREX_RATIO << 4) \ + | (ACLK_CDREX_RATIO))

-/* CLK_DIV_ACP */ -#define CLK_DIV_ACP_VAL 0x12 - -/* CLK_SRC_TOP0 */ -#define MUX_ACLK_300_GSCL_SEL 0x1 -#define MUX_ACLK_300_GSCL_MID_SEL 0x0 -#define MUX_ACLK_400_SEL 0x0 -#define MUX_ACLK_333_SEL 0x0 -#define MUX_ACLK_300_DISP1_SEL 0x1 -#define MUX_ACLK_300_DISP1_MID_SEL 0x0 -#define MUX_ACLK_200_SEL 0x0 -#define MUX_ACLK_166_SEL 0x0 -#define CLK_SRC_TOP0_VAL ((MUX_ACLK_300_GSCL_SEL << 25) \ - | (MUX_ACLK_300_GSCL_MID_SEL << 24) \ - | (MUX_ACLK_400_SEL << 20) \ - | (MUX_ACLK_333_SEL << 16) \ - | (MUX_ACLK_300_DISP1_SEL << 15) \ +/* CLK_SRC_TOP0 */ +#define MUX_ACLK_300_GSCL_SEL 0x0 +#define MUX_ACLK_300_GSCL_MID_SEL 0x0 +#define MUX_ACLK_400_G3D_MID_SEL 0x0 +#define MUX_ACLK_333_SEL 0x0 +#define MUX_ACLK_300_DISP1_SEL 0x0 +#define MUX_ACLK_300_DISP1_MID_SEL 0x0 +#define MUX_ACLK_200_SEL 0x0 +#define MUX_ACLK_166_SEL 0x0 +#define CLK_SRC_TOP0_VAL ((MUX_ACLK_300_GSCL_SEL << 25) \ + | (MUX_ACLK_300_GSCL_MID_SEL << 24) \ + | (MUX_ACLK_400_G3D_MID_SEL << 20) \ + | (MUX_ACLK_333_SEL << 16) \ + | (MUX_ACLK_300_DISP1_SEL << 15) \ | (MUX_ACLK_300_DISP1_MID_SEL << 14) \ - | (MUX_ACLK_200_SEL << 12) \ + | (MUX_ACLK_200_SEL << 12) \ | (MUX_ACLK_166_SEL << 8))

-/* CLK_SRC_TOP1 */ -#define MUX_ACLK_400_ISP_SEL 0x0 -#define MUX_ACLK_400_IOP_SEL 0x0 -#define MUX_ACLK_MIPI_HSI_TXBASE_SEL 0x0 -#define CLK_SRC_TOP1_VAL ((MUX_ACLK_400_ISP_SEL << 24) \ - |(MUX_ACLK_400_IOP_SEL << 20) \ - |(MUX_ACLK_MIPI_HSI_TXBASE_SEL << 16)) +/* CLK_SRC_TOP1 */ +#define MUX_ACLK_400_G3D_SEL 0x1 +#define MUX_ACLK_400_ISP_SEL 0x0 +#define MUX_ACLK_400_IOP_SEL 0x0 +#define MUX_ACLK_MIPI_HSI_TXBASE_SEL 0x0 +#define MUX_ACLK_300_GSCL_MID1_SEL 0x0 +#define MUX_ACLK_300_DISP1_MID1_SEL 0x0 +#define CLK_SRC_TOP1_VAL ((MUX_ACLK_400_G3D_SEL << 28) \ + |(MUX_ACLK_400_ISP_SEL << 24) \ + |(MUX_ACLK_400_IOP_SEL << 20) \ + |(MUX_ACLK_MIPI_HSI_TXBASE_SEL << 16) \ + |(MUX_ACLK_300_GSCL_MID1_SEL << 12) \ + |(MUX_ACLK_300_DISP1_MID1_SEL << 8))

/* CLK_SRC_TOP2 */ -#define MUX_BPLL_USER_SEL 0x1 -#define MUX_MPLL_USER_SEL 0x1 -#define MUX_VPLL_SEL 0x0 -#define MUX_EPLL_SEL 0x0 -#define MUX_CPLL_SEL 0x0 -#define VPLLSRC_SEL 0x0 -#define CLK_SRC_TOP2_VAL ((MUX_BPLL_USER_SEL << 24) \ - | (MUX_MPLL_USER_SEL << 20) \ - | (MUX_VPLL_SEL << 16) \ - | (MUX_EPLL_SEL << 12) \ - | (MUX_CPLL_SEL << 8) \ +#define MUX_GPLL_SEL 0x1 +#define MUX_BPLL_USER_SEL 0x0 +#define MUX_MPLL_USER_SEL 0x0 +#define MUX_VPLL_SEL 0x1 +#define MUX_EPLL_SEL 0x1 +#define MUX_CPLL_SEL 0x1 +#define VPLLSRC_SEL 0x0 +#define CLK_SRC_TOP2_VAL ((MUX_GPLL_SEL << 28) \ + | (MUX_BPLL_USER_SEL << 24) \ + | (MUX_MPLL_USER_SEL << 20) \ + | (MUX_VPLL_SEL << 16) \ + | (MUX_EPLL_SEL << 12) \ + | (MUX_CPLL_SEL << 8) \ | (VPLLSRC_SEL)) /* CLK_SRC_TOP3 */ -#define MUX_ACLK_333_SUB_SEL 0x1 -#define MUX_ACLK_400_SUB_SEL 0x1 -#define MUX_ACLK_266_ISP_SUB_SEL 0x1 -#define MUX_ACLK_266_GPS_SUB_SEL 0x1 -#define MUX_ACLK_300_GSCL_SUB_SEL 0x1 -#define MUX_ACLK_266_GSCL_SUB_SEL 0x1 -#define MUX_ACLK_300_DISP1_SUB_SEL 0x1 -#define MUX_ACLK_200_DISP1_SUB_SEL 0x1 -#define CLK_SRC_TOP3_VAL ((MUX_ACLK_333_SUB_SEL << 24) \ - | (MUX_ACLK_400_SUB_SEL << 20) \ - | (MUX_ACLK_266_ISP_SUB_SEL << 16) \ - | (MUX_ACLK_266_GPS_SUB_SEL << 12) \ - | (MUX_ACLK_300_GSCL_SUB_SEL << 10) \ - | (MUX_ACLK_266_GSCL_SUB_SEL << 8) \ - | (MUX_ACLK_300_DISP1_SUB_SEL << 6) \ - | (MUX_ACLK_200_DISP1_SUB_SEL << 4)) - -/* CLK_DIV_TOP0 */ -#define ACLK_300_RATIO 0x0 -#define ACLK_400_RATIO 0x3 -#define ACLK_333_RATIO 0x2 +#define MUX_ACLK_333_SUB_SEL 0x1 +#define MUX_ACLK_400_SUB_SEL 0x1 +#define MUX_ACLK_266_ISP_SUB_SEL 0x1 +#define MUX_ACLK_266_GPS_SUB_SEL 0x0 +#define MUX_ACLK_300_GSCL_SUB_SEL 0x1 +#define MUX_ACLK_266_GSCL_SUB_SEL 0x1 +#define MUX_ACLK_300_DISP1_SUB_SEL 0x1 +#define MUX_ACLK_200_DISP1_SUB_SEL 0x1 +#define CLK_SRC_TOP3_VAL ((MUX_ACLK_333_SUB_SEL << 24) \ + | (MUX_ACLK_400_SUB_SEL << 20) \ + | (MUX_ACLK_266_ISP_SUB_SEL << 16) \ + | (MUX_ACLK_266_GPS_SUB_SEL << 12) \ + | (MUX_ACLK_300_GSCL_SUB_SEL << 10) \ + | (MUX_ACLK_266_GSCL_SUB_SEL << 8) \ + | (MUX_ACLK_300_DISP1_SUB_SEL << 6) \ + | (MUX_ACLK_200_DISP1_SUB_SEL << 4)) + +/* CLK_DIV_TOP0 */ +#define ACLK_300_DISP1_RATIO 0x2 +#define ACLK_400_G3D_RATIO 0x0 +#define ACLK_333_RATIO 0x0 #define ACLK_266_RATIO 0x2 #define ACLK_200_RATIO 0x3 -#define ACLK_166_RATIO 0x5 +#define ACLK_166_RATIO 0x1 #define ACLK_133_RATIO 0x1 #define ACLK_66_RATIO 0x5 -#define CLK_DIV_TOP0_VAL ((ACLK_300_RATIO << 28) \ - | (ACLK_400_RATIO << 24) \ - | (ACLK_333_RATIO << 20) \ - | (ACLK_266_RATIO << 16) \ - | (ACLK_200_RATIO << 12) \ - | (ACLK_166_RATIO << 8) \ - | (ACLK_133_RATIO << 4) \ + +#define CLK_DIV_TOP0_VAL ((ACLK_300_DISP1_RATIO << 28) \ + | (ACLK_400_G3D_RATIO << 24) \ + | (ACLK_333_RATIO << 20) \ + | (ACLK_266_RATIO << 16) \ + | (ACLK_200_RATIO << 12) \ + | (ACLK_166_RATIO << 8) \ + | (ACLK_133_RATIO << 4) \ | (ACLK_66_RATIO))

-/* CLK_DIV_TOP1 */ -#define ACLK_MIPI_HSI_TX_BASE_RATIO 0x3 -#define ACLK_66_PRE_RATIO 0x1 -#define ACLK_400_ISP_RATIO 0x1 -#define ACLK_400_IOP_RATIO 0x1 -#define ACLK_300_GSCL_RATIO 0x0 -#define ACLK_266_GPS_RATIO 0x7 - -#define CLK_DIV_TOP1_VAL ((ACLK_MIPI_HSI_TX_BASE_RATIO << 28) \ - | (ACLK_66_PRE_RATIO << 24) \ - | (ACLK_400_ISP_RATIO << 20) \ - | (ACLK_400_IOP_RATIO << 16) \ - | (ACLK_300_GSCL_RATIO << 12) \ - | (ACLK_266_GPS_RATIO << 8)) - -/* APLL_LOCK */ -#define APLL_LOCK_VAL (0x3E8) -/* MPLL_LOCK */ -#define MPLL_LOCK_VAL (0x2F1) -/* CPLL_LOCK */ -#define CPLL_LOCK_VAL (0x3E8) -/* EPLL_LOCK */ -#define EPLL_LOCK_VAL (0x2321) -/* VPLL_LOCK */ -#define VPLL_LOCK_VAL (0x2321) -/* BPLL_LOCK */ -#define BPLL_LOCK_VAL (0x3E8) +/* CLK_DIV_TOP1 */ +#define ACLK_MIPI_HSI_TX_BASE_RATIO 0x3 +#define ACLK_66_PRE_RATIO 0x1 +#define ACLK_400_ISP_RATIO 0x1 +#define ACLK_400_IOP_RATIO 0x1 +#define ACLK_300_GSCL_RATIO 0x2 + +#define CLK_DIV_TOP1_VAL ((ACLK_MIPI_HSI_TX_BASE_RATIO << 28) \ + | (ACLK_66_PRE_RATIO << 24) \ + | (ACLK_400_ISP_RATIO << 20) \ + | (ACLK_400_IOP_RATIO << 16) \ + | (ACLK_300_GSCL_RATIO << 12)) + +/* APLL_LOCK */ +#define APLL_LOCK_VAL (0x546) +/* MPLL_LOCK */ +#define MPLL_LOCK_VAL (0x546) +/* CPLL_LOCK */ +#define CPLL_LOCK_VAL (0x546) +/* GPLL_LOCK */ +#define GPLL_LOCK_VAL (0x546) +/* EPLL_LOCK */ +#define EPLL_LOCK_VAL (0x3A98) +/* VPLL_LOCK */ +#define VPLL_LOCK_VAL (0x3A98) +/* BPLL_LOCK */ +#define BPLL_LOCK_VAL (0x546) + +#define MUX_APLL_SEL_MASK (1 << 0) +#define MUX_MPLL_SEL_MASK (1 << 8) +#define MPLL_SEL_MOUT_MPLLFOUT (2 << 8) +#define MUX_CPLL_SEL_MASK (1 << 8) +#define MUX_EPLL_SEL_MASK (1 << 12) +#define MUX_VPLL_SEL_MASK (1 << 16) +#define MUX_GPLL_SEL_MASK (1 << 28) +#define MUX_BPLL_SEL_MASK (1 << 0) +#define MUX_HPM_SEL_MASK (1 << 20) +#define HPM_SEL_SCLK_MPLL (1 << 21) +#define APLL_CON0_LOCKED (1 << 29) +#define MPLL_CON0_LOCKED (1 << 29) +#define BPLL_CON0_LOCKED (1 << 29) +#define CPLL_CON0_LOCKED (1 << 29) +#define EPLL_CON0_LOCKED (1 << 29) +#define GPLL_CON0_LOCKED (1 << 29) +#define VPLL_CON0_LOCKED (1 << 29) +#define CLK_REG_DISABLE 0x0 +#define TOP2_VAL 0x0110000

/* CLK_SRC_PERIC0 */ +#define PWM_SEL 0 +#define UART3_SEL 6 +#define UART2_SEL 6 +#define UART1_SEL 6 +#define UART0_SEL 6 +/* SRC_CLOCK = SCLK_MPLL */ +#define CLK_SRC_PERIC0_VAL ((PWM_SEL << 24) \ + | (UART3_SEL << 12) \ + | (UART2_SEL << 8) \ + | (UART1_SEL << 4) \ + | (UART0_SEL)) + +/* CLK_SRC_PERIC1 */ /* SRC_CLOCK = SCLK_MPLL */ -#define PWM_SEL 0 -#define UART4_SEL 6 -#define UART3_SEL 6 -#define UART2_SEL 6 -#define UART1_SEL 6 -#define UART0_SEL 6 -#define CLK_SRC_PERIC0_VAL ((PWM_SEL << 24) \ - | (UART4_SEL << 16) \ - | (UART3_SEL << 12) \ - | (UART2_SEL << 8) \ - | (UART1_SEL << 4) \ - | (UART0_SEL << 0)) - -#define CLK_SRC_FSYS_VAL 0x66666 -#define CLK_DIV_FSYS0_VAL 0x0BB00000 -#define CLK_DIV_FSYS1_VAL 0x000f000f -#define CLK_DIV_FSYS2_VAL 0x020f020f -#define CLK_DIV_FSYS3_VAL 0x000f - -/* CLK_DIV_PERIC0 */ -#define UART5_RATIO 8 -#define UART4_RATIO 8 -#define UART3_RATIO 8 -#define UART2_RATIO 8 -#define UART1_RATIO 8 -#define UART0_RATIO 8 -#define CLK_DIV_PERIC0_VAL ((UART4_RATIO << 16) \ - | (UART3_RATIO << 12) \ - | (UART2_RATIO << 8) \ - | (UART1_RATIO << 4) \ - | (UART0_RATIO << 0)) +#define SPI0_SEL 6 +#define SPI1_SEL 6 +#define SPI2_SEL 6 +#define CLK_SRC_PERIC1_VAL ((SPI2_SEL << 24) \ + | (SPI1_SEL << 20) \ + | (SPI0_SEL << 16)) + +/* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */ +#define SPI0_ISP_SEL 6 +#define SPI1_ISP_SEL 6 +#define SCLK_SRC_ISP_VAL (SPI1_ISP_SEL << 4) \ + | (SPI0_ISP_SEL << 0) + +/* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */ +#define SPI0_ISP_RATIO 0xf +#define SPI1_ISP_RATIO 0xf +#define SCLK_DIV_ISP_VAL (SPI1_ISP_RATIO << 12) \ + | (SPI0_ISP_RATIO << 0) + +/* CLK_DIV_PERIL0 */ +#define UART5_RATIO 7 +#define UART4_RATIO 7 +#define UART3_RATIO 7 +#define UART2_RATIO 7 +#define UART1_RATIO 7 +#define UART0_RATIO 7 + +#define CLK_DIV_PERIC0_VAL ((UART3_RATIO << 12) \ + | (UART2_RATIO << 8) \ + | (UART1_RATIO << 4) \ + | (UART0_RATIO)) +/* CLK_DIV_PERIC1 */ +#define SPI1_RATIO 0x7 +#define SPI0_RATIO 0xf +#define SPI1_SUB_RATIO 0x0 +#define SPI0_SUB_RATIO 0x0 +#define CLK_DIV_PERIC1_VAL ((SPI1_SUB_RATIO << 24) \ + | ((SPI1_RATIO << 16) \ + | (SPI0_SUB_RATIO << 8) \ + | (SPI0_RATIO << 0))) + +/* CLK_DIV_PERIC2 */ +#define SPI2_RATIO 0xf +#define SPI2_SUB_RATIO 0x0 +#define CLK_DIV_PERIC2_VAL ((SPI2_SUB_RATIO << 8) \ + | (SPI2_RATIO << 0))

/* CLK_DIV_PERIC3 */ #define PWM_RATIO 8 #define CLK_DIV_PERIC3_VAL (PWM_RATIO << 0)

+/* CLK_DIV_FSYS2 */ +#define MMC2_RATIO_MASK 0xf +#define MMC2_RATIO_VAL 0x3 +#define MMC2_RATIO_OFFSET 0 + +#define MMC2_PRE_RATIO_MASK 0xff +#define MMC2_PRE_RATIO_VAL 0x9 +#define MMC2_PRE_RATIO_OFFSET 8 + +#define MMC3_RATIO_MASK 0xf +#define MMC3_RATIO_VAL 0x1 +#define MMC3_RATIO_OFFSET 16 + +#define MMC3_PRE_RATIO_MASK 0xff +#define MMC3_PRE_RATIO_VAL 0x0 +#define MMC3_PRE_RATIO_OFFSET 24 + /* CLK_SRC_LEX */ -#define CLK_SRC_LEX_VAL 0x0 +#define CLK_SRC_LEX_VAL 0x0

/* CLK_DIV_LEX */ -#define CLK_DIV_LEX_VAL 0x10 +#define CLK_DIV_LEX_VAL 0x10

/* CLK_DIV_R0X */ -#define CLK_DIV_R0X_VAL 0x10 +#define CLK_DIV_R0X_VAL 0x10

/* CLK_DIV_L0X */ -#define CLK_DIV_R1X_VAL 0x10 +#define CLK_DIV_R1X_VAL 0x10

-/* SCLK_SRC_ISP */ -#define SCLK_SRC_ISP_VAL 0x600 /* CLK_DIV_ISP0 */ -#define CLK_DIV_ISP0_VAL 0x31 +#define CLK_DIV_ISP0_VAL 0x31

/* CLK_DIV_ISP1 */ -#define CLK_DIV_ISP1_VAL 0x0 +#define CLK_DIV_ISP1_VAL 0x0

/* CLK_DIV_ISP2 */ -#define CLK_DIV_ISP2_VAL 0x1 +#define CLK_DIV_ISP2_VAL 0x1

-#define MPLL_DEC (MPLL_MDIV * MPLL_MDIV / (MPLL_PDIV * 2^(MPLL_SDIV-1))) +/* CLK_SRC_DISP1_0 */ +#define CLK_SRC_DISP1_0_VAL 0x6 + +/* + * DIV_DISP1_0 + * For DP, divisor should be 2 + */ +#define CLK_DIV_DISP1_0_FIMD1 (2 << 0) + +/* CLK_GATE_IP_DISP1 */ +#define CLK_GATE_DP1_ALLOW (1 << 4)

/* * TZPC Register Value : @@ -347,103 +469,66 @@ */ #define DECPROTXSET 0xFF

-/* DMC Init */ -#define SET 1 -#define RESET 0 -/* (Memory Interleaving Size = 1 << IV_SIZE) */ -#define CONFIG_IV_SIZE 0x07 +#define DDR3PHY_CTRL_PHY_RESET (1 << 0) +#define DDR3PHY_CTRL_PHY_RESET_OFF (0 << 0) + +#define PHY_CON0_RESET_VAL 0x17020a40 +#define P0_CMD_EN (1 << 14) +#define BYTE_RDLVL_EN (1 << 13) +#define CTRL_SHGATE (1 << 8) + +#define PHY_CON1_RESET_VAL 0x09210100 +#define CTRL_GATEDURADJ_MASK (0xf << 20)

-#define PHY_RESET_VAL (0 << 0) +#define PHY_CON2_RESET_VAL 0x00010004 +#define INIT_DESKEW_EN (1 << 6) +#define RDLVL_GATE_EN (1 << 24)

/*ZQ Configurations */ #define PHY_CON16_RESET_VAL 0x08000304

-#define ZQ_MODE_DDS_VAL (0x5 << 24) -#define ZQ_MODE_TERM_VAL (0x5 << 21) -#define SET_ZQ_MODE_DDS_VAL(x) (x = (x & ~(0x7 << 24)) | ZQ_MODE_DDS_VAL) -#define SET_ZQ_MODE_TERM_VAL(x) (x = (x & ~(0x7 << 21)) | ZQ_MODE_TERM_VAL) - -#define ZQ_MODE_NOTERM (1 << 19) #define ZQ_CLK_DIV_EN (1 << 18) #define ZQ_MANUAL_STR (1 << 1) +#define ZQ_DONE (1 << 0) + +#define CTRL_RDLVL_GATE_ENABLE 1 +#define CTRL_RDLVL_GATE_DISABLE 1 + +/* Direct Command */ +#define DIRECT_CMD_NOP 0x07000000 +#define DIRECT_CMD_PALL 0x01000000 +#define DIRECT_CMD_ZQINIT 0x0a000000 +#define DIRECT_CMD_CHANNEL_SHIFT 28 +#define DIRECT_CMD_CHIP_SHIFT 20 + +/* DMC PHY Control0 register */ +#define PHY_CONTROL0_RESET_VAL 0x0 +#define MEM_TERM_EN (1 << 31) /* Termination enable for memory */ +#define PHY_TERM_EN (1 << 30) /* Termination enable for PHY */ +#define DMC_CTRL_SHGATE (1 << 29) /* Duration of DQS gating signal */ +#define FP_RSYNC (1 << 3) /* Force DLL resyncronization */ + +/* Driver strength for CK, CKE, CS & CA */ +#define IMP_OUTPUT_DRV_40_OHM 0x5 +#define IMP_OUTPUT_DRV_30_OHM 0x7 +#define CA_CK_DRVR_DS_OFFSET 9 +#define CA_CKE_DRVR_DS_OFFSET 6 +#define CA_CS_DRVR_DS_OFFSET 3 +#define CA_ADR_DRVR_DS_OFFSET 0 + +#define PHY_CON42_CTRL_BSTLEN_SHIFT 8 +#define PHY_CON42_CTRL_RDLAT_SHIFT 0 + +struct mem_timings; + +/* Errors that we can encourter in low-level setup */ +enum { + SETUP_ERR_OK, + SETUP_ERR_RDLV_COMPLETE_TIMEOUT = -1, + SETUP_ERR_ZQ_CALIBRATION_FAILURE = -2, +};

-/* Channel and Chip Selection */ -#define CONFIG_DMC_CHANNELS 2 -#define CONFIG_CHIPS_PER_CHANNEL 2 - -#define SET_CMD_CHANNEL(x, y) (x = (x & ~(1 << 28)) | y << 28) -#define SET_CMD_CHIP(x, y) (x = (x & ~(1 << 20)) | y << 20) - -/* Diret Command */ -#define DIRECT_CMD_NOP 0x07000000 -#define DIRECT_CMD_MRS1 0x00071C00 -#define DIRECT_CMD_MRS2 0x00010BFC -#define DIRECT_CMD_MRS3 0x00000708 -#define DIRECT_CMD_MRS4 0x00000818 -#define DIRECT_CMD_PALL 0x01000000 - -/* DLL Resync */ -#define FP_RSYNC (1 << 3) - -#define CONFIG_CTRL_DLL_ON(x, y) (x = (x & ~(1 << 5)) | y << 5) -#define CONFIG_CTRL_START(x, y) (x = (x & ~(1 << 6)) | y << 6) -#define SET_CTRL_FORCE_VAL(x, y) (x = (x & ~(0x7F << 8)) | y << 8) - -/* RDLVL */ -#define PHY_CON0_RESET_VAL 0x17023240 -#define DDR_MODE_LPDDR2 0x2 -#define BYTE_RDLVL_EN (1 << 13) -#define CTRL_ATGATE (1 << 6) -#define SET_CTRL_DDR_MODE(x, y) (x = (x & ~(0x3 << 11)) | y << 11) - -#define PHY_CON1_RESET_VAL 0x9210100 -#define RDLVL_RDDATAPADJ 0x1 -#define SET_RDLVL_RDDATAPADJ ((PHY_CON1_RESET_VAL & ~(0xFFFF << 0))\ - | RDLVL_RDDATAPADJ << 0) - -#define PHY_CON2_RESET_VAL 0x00010004 -#define RDLVL_EN (1 << 25) -#define RDDSKEW_CLEAR (1 << 13) - -#define CTRL_RDLVL_DATA_EN (1 << 1) -#define LPDDR2_ADDR 0x00000208 - -#define DMC_MEMCONFIG0_VAL 0x00001323 -#define DMC_MEMCONFIG1_VAL 0x00001323 -#define DMC_MEMBASECONFIG0_VAL 0x00400780 -#define DMC_MEMBASECONFIG1_VAL 0x00800780 -#define DMC_MEMCONTROL_VAL 0x00212500 -#define DMC_PRECHCONFIG_VAL 0xFF000000 -#define DMC_PWRDNCONFIG_VAL 0xFFFF00FF -#define DMC_TIMINGREF_VAL 0x0000005D -#define DMC_TIMINGROW_VAL 0x2336544C -#define DMC_TIMINGDATA_VAL 0x24202408 -#define DMC_TIMINGPOWER_VAL 0x38260235 - -#define CTRL_BSTLEN 0x04 -#define CTRL_RDLAT 0x08 -#define PHY_CON42_VAL (CTRL_BSTLEN << 8 | CTRL_RDLAT << 0) - -/* DQS, DQ, DEBUG offsets */ -#define SET_DQS_OFFSET_VAL 0x7F7F7F7F -#define SET_DQ_OFFSET_VAL 0x7F7F7F7F -#define SET_DEBUG_OFFSET_VAL 0x7F - -#define RESET_DQS_OFFSET_VAL 0x08080808 -#define RESET_DQ_OFFSET_VAL 0x08080808 -#define RESET_DEBUG_OFFSET_VAL 0x8 - -#define CTRL_PULLD_DQ (0x0F << 8) -#define CTRL_PULLD_DQS (0x0F << 0) - -#define DFI_INIT_START (1 << 28) - -#define CLK_STOP_EN (1 << 0) -#define DPWRDN_EN (1 << 1) -#define DSREF_EN (1 << 5)

-#define AREF_EN (1 << 5) -void sdelay(unsigned long); void mem_ctrl_init(void); void system_clock_init(void); void tzpc_init(void);

MPLL clock-out of Exynos5250 Rev 1.0 is always at 1.6GHz. Adjust the divisor value to get 800MHz as needed by devices like UART etc

Signed-off-by: Hatim Ali hatim.rv@samsung.com Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com --- Changes in V2: - None Changes in V3: - Incorported review comments from Minkyu Kang. Changes in V4: - None arch/arm/cpu/armv7/exynos/clock.c | 12 +++++++++++- arch/arm/include/asm/arch-exynos/clock.h | 3 +++ 2 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 330bd75..dbd5f11 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -98,7 +98,7 @@ static unsigned long exynos5_get_pll_clk(int pllreg) struct exynos5_clock *clk = (struct exynos5_clock *)samsung_get_base_clock(); unsigned long r, m, p, s, k = 0, mask, fout; - unsigned int freq; + unsigned int freq, pll_div2_sel, mpll_fout_sel;

switch (pllreg) { case APLL: @@ -155,6 +155,16 @@ static unsigned long exynos5_get_pll_clk(int pllreg) fout = m * (freq / (p * (1 << (s - 1)))); }

+ /* According to the user manual, in EVT1 MPLL always gives + * 1.6GHz clock, so divide by 2 to get 800MHz MPLL clock.*/ + if (pllreg == MPLL) { + pll_div2_sel = readl(&clk->pll_div2_sel); + mpll_fout_sel = (pll_div2_sel >> MPLL_FOUT_SEL_SHIFT) + & MPLL_FOUT_SEL_MASK; + if (mpll_fout_sel == 0) + fout /= 2; + } + return fout; }

diff --git a/arch/arm/include/asm/arch-exynos/clock.h b/arch/arm/include/asm/arch-exynos/clock.h index 90271f1..bf41c19 100644 --- a/arch/arm/include/asm/arch-exynos/clock.h +++ b/arch/arm/include/asm/arch-exynos/clock.h @@ -596,4 +596,7 @@ struct exynos5_clock { unsigned char res123[0xf5d8]; }; #endif + +#define MPLL_FOUT_SEL_SHIFT 4 +#define MPLL_FOUT_SEL_MASK 0x1 #endif

This patch adds support for BPLL clock.

Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com --- Changes in V3: - New Patch Changes in V4: - Removed the warning message. arch/arm/cpu/armv7/exynos/clock.c | 26 ++++++++++++++++++++------ arch/arm/include/asm/arch-exynos/clk.h | 1 + arch/arm/include/asm/arch-exynos/clock.h | 2 ++ 3 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index dbd5f11..13e3641 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -98,7 +98,7 @@ static unsigned long exynos5_get_pll_clk(int pllreg) struct exynos5_clock *clk = (struct exynos5_clock *)samsung_get_base_clock(); unsigned long r, m, p, s, k = 0, mask, fout; - unsigned int freq, pll_div2_sel, mpll_fout_sel; + unsigned int freq, pll_div2_sel, fout_sel;

switch (pllreg) { case APLL: @@ -115,6 +115,9 @@ static unsigned long exynos5_get_pll_clk(int pllreg) r = readl(&clk->vpll_con0); k = readl(&clk->vpll_con1); break; + case BPLL: + r = readl(&clk->bpll_con0); + break; default: printf("Unsupported PLL (%d)\n", pllreg); return 0; @@ -125,8 +128,9 @@ static unsigned long exynos5_get_pll_clk(int pllreg) * MPLL_CON: MIDV [25:16] * EPLL_CON: MIDV [24:16] * VPLL_CON: MIDV [24:16] + * BPLL_CON: MIDV [25:16] */ - if (pllreg == APLL || pllreg == MPLL) + if (pllreg == APLL || pllreg == MPLL || pllreg == BPLL) mask = 0x3ff; else mask = 0x1ff; @@ -155,13 +159,23 @@ static unsigned long exynos5_get_pll_clk(int pllreg) fout = m * (freq / (p * (1 << (s - 1)))); }

- /* According to the user manual, in EVT1 MPLL always gives + /* According to the user manual, in EVT1 MPLL and BPLL always gives * 1.6GHz clock, so divide by 2 to get 800MHz MPLL clock.*/ - if (pllreg == MPLL) { + if (pllreg == MPLL || pllreg == BPLL) { pll_div2_sel = readl(&clk->pll_div2_sel); - mpll_fout_sel = (pll_div2_sel >> MPLL_FOUT_SEL_SHIFT) + + switch (pllreg) { + case MPLL: + fout_sel = (pll_div2_sel >> MPLL_FOUT_SEL_SHIFT) & MPLL_FOUT_SEL_MASK; - if (mpll_fout_sel == 0) + break; + case BPLL: + fout_sel = (pll_div2_sel >> BPLL_FOUT_SEL_SHIFT) + & BPLL_FOUT_SEL_MASK; + break; + } + + if (fout_sel == 0) fout /= 2; }

diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h index 637fb4b..e99339a 100644 --- a/arch/arm/include/asm/arch-exynos/clk.h +++ b/arch/arm/include/asm/arch-exynos/clk.h @@ -27,6 +27,7 @@ #define EPLL 2 #define HPLL 3 #define VPLL 4 +#define BPLL 5

unsigned long get_pll_clk(int pllreg); unsigned long get_arm_clk(void); diff --git a/arch/arm/include/asm/arch-exynos/clock.h b/arch/arm/include/asm/arch-exynos/clock.h index bf41c19..fce38ef 100644 --- a/arch/arm/include/asm/arch-exynos/clock.h +++ b/arch/arm/include/asm/arch-exynos/clock.h @@ -599,4 +599,6 @@ struct exynos5_clock {

#define MPLL_FOUT_SEL_SHIFT 4 #define MPLL_FOUT_SEL_MASK 0x1 +#define BPLL_FOUT_SEL_SHIFT 0 +#define BPLL_FOUT_SEL_MASK 0x1 #endif