DECLARE_GLOBAL_DATA_PTR;
struct arm_clk_ratios arm_clk_ratios[] = {
+#ifdef CONFIG_EXYNOS5420
+ {
+ .arm_freq_mhz = 900,
+
+ .apll_mdiv = 0x96,
+ .apll_pdiv = 0x2,
+ .apll_sdiv = 0x1,
+
+ .arm2_ratio = 0x0,
+ .apll_ratio = 0x3,
+ .pclk_dbg_ratio = 0x6,
+ .atb_ratio = 0x6,
+ .periph_ratio = 0x7,
+ .acp_ratio = 0x0,
+ .cpud_ratio = 0x2,
+ .arm_ratio = 0x0,
+ }
+#else
{
.arm_freq_mhz = 600,
.cpud_ratio = 0x3,
.arm_ratio = 0x0,
}
+#endif
};
+
struct mem_timings mem_timings[] = {
+#ifdef CONFIG_EXYNOS5420
+ {
+ .mem_manuf = MEM_MANUF_SAMSUNG,
+ .mem_type = DDR_MODE_DDR3,
+ .frequency_mhz = 800,
+
+ /* MPLL @800MHz*/
+ .mpll_mdiv = 0xc8,
+ .mpll_pdiv = 0x3,
+ .mpll_sdiv = 0x1,
+ /* CPLL @666MHz */
+ .cpll_mdiv = 0xde,
+ .cpll_pdiv = 0x4,
+ .cpll_sdiv = 0x1,
+ /* EPLL @600MHz */
+ .epll_mdiv = 0x64,
+ .epll_pdiv = 0x2,
+ .epll_sdiv = 0x1,
+ /* VPLL @430MHz */
+ .vpll_mdiv = 0xd7,
+ .vpll_pdiv = 0x3,
+ .vpll_sdiv = 0x2,
+ /* BPLL @800MHz */
+ .bpll_mdiv = 0xc8,
+ .bpll_pdiv = 0x3,
+ .bpll_sdiv = 0x1,
+ /* KPLL @600MHz */
+ .kpll_mdiv = 0x190,
+ .kpll_pdiv = 0x4,
+ .kpll_sdiv = 0x2,
+ /* DPLL @600MHz */
+ .dpll_mdiv = 0x190,
+ .dpll_pdiv = 0x4,
+ .dpll_sdiv = 0x2,
+ /* IPLL @370MHz */
+ .ipll_mdiv = 0xb9,
+ .ipll_pdiv = 0x3,
+ .ipll_sdiv = 0x2,
+ /* SPLL @400MHz */
+ .spll_mdiv = 0xc8,
+ .spll_pdiv = 0x3,
+ .spll_sdiv = 0x2,
+
+ .direct_cmd_msr = {
+ 0x00020018, 0x00030000, 0x00010046, 0x00000d70,
+ 0x00000c70
+ },
+ .timing_ref = 0x000000bb,
+ .timing_row = 0x6836650f,
+ .timing_data = 0x3630580b,
+ .timing_power = 0x41000a26,
+ .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 = 0x7,
+ .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_DISABLE |
+ 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_MEMCONFIG_CHIP_MAP_SPLIT |
+ DMC_MEMCONFIGX_CHIP_COL_10 |
+ DMC_MEMCONFIGX_CHIP_ROW_15 |
+ DMC_MEMCONFIGX_CHIP_BANK_8,
+ .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 = 1,
+ .chips_per_channel = 1,
+ .chips_to_configure = 1,
+ .send_zq_init = 1,
+ .gate_leveling_enable = 1,
+ .read_leveling_enable = 0,
+ }
+#else
{
.mem_manuf = MEM_MANUF_ELPIDA,
.mem_type = DDR_MODE_DDR3,
.impedance = IMP_OUTPUT_DRV_40_OHM,
.gate_leveling_enable = 1,
}
+#endif
};
/**
return NULL;
}
-void system_clock_init()
+static void exynos5250_system_clock_init(void)
{
struct exynos5_clock *clk =
(struct exynos5_clock *)samsung_get_base_clock();
} while ((val | MUX_BPLL_SEL_MASK) != val);
/* PLL locktime */
- writel(APLL_LOCK_VAL, &clk->apll_lock);
-
- writel(MPLL_LOCK_VAL, &clk->mpll_lock);
-
- writel(BPLL_LOCK_VAL, &clk->bpll_lock);
-
- writel(CPLL_LOCK_VAL, &clk->cpll_lock);
-
- writel(GPLL_LOCK_VAL, &clk->gpll_lock);
-
- writel(EPLL_LOCK_VAL, &clk->epll_lock);
-
- writel(VPLL_LOCK_VAL, &clk->vpll_lock);
+ writel(mem->apll_pdiv * PLL_LOCK_FACTOR, &clk->apll_lock);
+ writel(mem->mpll_pdiv * PLL_LOCK_FACTOR, &clk->mpll_lock);
+ writel(mem->bpll_pdiv * PLL_LOCK_FACTOR, &clk->bpll_lock);
+ writel(mem->cpll_pdiv * PLL_LOCK_FACTOR, &clk->cpll_lock);
+ writel(mem->gpll_pdiv * PLL_X_LOCK_FACTOR, &clk->gpll_lock);
+ writel(mem->epll_pdiv * PLL_X_LOCK_FACTOR, &clk->epll_lock);
+ writel(mem->vpll_pdiv * PLL_X_LOCK_FACTOR, &clk->vpll_lock);
writel(CLK_REG_DISABLE, &clk->pll_div2_sel);
writel(val, &clk->div_fsys2);
}
+static void exynos5420_system_clock_init(void)
+{
+ struct exynos5420_clock *clk =
+ (struct exynos5420_clock *)samsung_get_base_clock();
+ struct mem_timings *mem;
+ struct arm_clk_ratios *arm_clk_ratio;
+ u32 val;
+
+ mem = clock_get_mem_timings();
+ arm_clk_ratio = get_arm_ratios();
+
+ /* PLL locktime */
+ writel(arm_clk_ratio->apll_pdiv * PLL_LOCK_FACTOR, &clk->apll_lock);
+ writel(mem->mpll_pdiv * PLL_LOCK_FACTOR, &clk->mpll_lock);
+ writel(mem->bpll_pdiv * PLL_LOCK_FACTOR, &clk->bpll_lock);
+ writel(mem->cpll_pdiv * PLL_LOCK_FACTOR, &clk->cpll_lock);
+ writel(mem->dpll_pdiv * PLL_LOCK_FACTOR, &clk->dpll_lock);
+ writel(mem->epll_pdiv * PLL_X_LOCK_FACTOR, &clk->epll_lock);
+ writel(mem->vpll_pdiv * PLL_LOCK_FACTOR, &clk->vpll_lock);
+ writel(mem->ipll_pdiv * PLL_LOCK_FACTOR, &clk->ipll_lock);
+ writel(mem->spll_pdiv * PLL_LOCK_FACTOR, &clk->spll_lock);
+ writel(mem->kpll_pdiv * PLL_LOCK_FACTOR, &clk->kpll_lock);
+
+ setbits_le32(&clk->src_cpu, MUX_HPM_SEL_MASK);
+
+ writel(0, &clk->src_top6);
+
+ writel(0, &clk->src_cdrex);
+ writel(SRC_KFC_HPM_SEL, &clk->src_kfc);
+ writel(HPM_RATIO, &clk->div_cpu1);
+ writel(CLK_DIV_CPU0_VAL, &clk->div_cpu0);
+
+ /* switch A15 clock source to OSC clock before changing APLL */
+ clrbits_le32(&clk->src_cpu, APLL_FOUT);
+
+ /* 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) & PLL_LOCKED) == 0)
+ ;
+
+ /* now it is safe to switch to APLL */
+ setbits_le32(&clk->src_cpu, APLL_FOUT);
+
+ writel(SRC_KFC_HPM_SEL, &clk->src_kfc);
+ writel(CLK_DIV_KFC_VAL, &clk->div_kfc0);
+
+ /* switch A7 clock source to OSC clock before changing KPLL */
+ clrbits_le32(&clk->src_kfc, KPLL_FOUT);
+
+ /* Set KPLL*/
+ writel(KPLL_CON1_VAL, &clk->kpll_con1);
+ val = set_pll(mem->kpll_mdiv, mem->kpll_pdiv, mem->kpll_sdiv);
+ writel(val, &clk->kpll_con0);
+ while ((readl(&clk->kpll_con0) & PLL_LOCKED) == 0)
+ ;
+
+ /* now it is safe to switch to KPLL */
+ setbits_le32(&clk->src_kfc, KPLL_FOUT);
+
+ /* 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) & PLL_LOCKED) == 0)
+ ;
+
+ /* Set DPLL */
+ writel(DPLL_CON1_VAL, &clk->dpll_con1);
+ val = set_pll(mem->dpll_mdiv, mem->dpll_pdiv, mem->dpll_sdiv);
+ writel(val, &clk->dpll_con0);
+ while ((readl(&clk->dpll_con0) & PLL_LOCKED) == 0)
+ ;
+
+ /* 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) & PLL_LOCKED) == 0)
+ ;
+
+ /* 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) & PLL_LOCKED) == 0)
+ ;
+
+ /* Set IPLL */
+ writel(IPLL_CON1_VAL, &clk->ipll_con1);
+ val = set_pll(mem->ipll_mdiv, mem->ipll_pdiv, mem->ipll_sdiv);
+ writel(val, &clk->ipll_con0);
+ while ((readl(&clk->ipll_con0) & PLL_LOCKED) == 0)
+ ;
+
+ /* Set VPLL */
+ 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) & PLL_LOCKED) == 0)
+ ;
+
+ /* 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) & PLL_LOCKED) == 0)
+ ;
+
+ /* Set SPLL */
+ writel(SPLL_CON1_VAL, &clk->spll_con1);
+ val = set_pll(mem->spll_mdiv, mem->spll_pdiv, mem->spll_sdiv);
+ writel(val, &clk->spll_con0);
+ while ((readl(&clk->spll_con0) & PLL_LOCKED) == 0)
+ ;
+
+ writel(CLK_DIV_CDREX0_VAL, &clk->div_cdrex0);
+ writel(CLK_DIV_CDREX1_VAL, &clk->div_cdrex1);
+
+ writel(CLK_SRC_TOP0_VAL, &clk->src_top0);
+ writel(CLK_SRC_TOP1_VAL, &clk->src_top1);
+ writel(CLK_SRC_TOP2_VAL, &clk->src_top2);
+ writel(CLK_SRC_TOP7_VAL, &clk->src_top7);
+
+ writel(CLK_DIV_TOP0_VAL, &clk->div_top0);
+ writel(CLK_DIV_TOP1_VAL, &clk->div_top1);
+ writel(CLK_DIV_TOP2_VAL, &clk->div_top2);
+
+ writel(0, &clk->src_top10);
+ writel(0, &clk->src_top11);
+ writel(0, &clk->src_top12);
+
+ writel(CLK_SRC_TOP3_VAL, &clk->src_top3);
+ writel(CLK_SRC_TOP4_VAL, &clk->src_top4);
+ writel(CLK_SRC_TOP5_VAL, &clk->src_top5);
+
+ /* DISP1 BLK CLK SELECTION */
+ writel(CLK_SRC_DISP1_0_VAL, &clk->src_disp10);
+ writel(CLK_DIV_DISP1_0_VAL, &clk->div_disp10);
+
+ /* AUDIO BLK */
+ writel(AUDIO0_SEL_EPLL, &clk->src_mau);
+ writel(DIV_MAU_VAL, &clk->div_mau);
+
+ /* FSYS */
+ writel(CLK_SRC_FSYS0_VAL, &clk->src_fsys);
+ writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0);
+ writel(CLK_DIV_FSYS1_VAL, &clk->div_fsys1);
+ writel(CLK_DIV_FSYS2_VAL, &clk->div_fsys2);
+
+ writel(CLK_SRC_ISP_VAL, &clk->src_isp);
+ writel(CLK_DIV_ISP0_VAL, &clk->div_isp0);
+ writel(CLK_DIV_ISP1_VAL, &clk->div_isp1);
+
+ writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0);
+ writel(CLK_SRC_PERIC1_VAL, &clk->src_peric1);
+
+ writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0);
+ writel(CLK_DIV_PERIC1_VAL, &clk->div_peric1);
+ writel(CLK_DIV_PERIC2_VAL, &clk->div_peric2);
+ writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3);
+ writel(CLK_DIV_PERIC4_VAL, &clk->div_peric4);
+
+ writel(CLK_DIV_CPERI1_VAL, &clk->div_cperi1);
+
+ writel(CLK_DIV2_RATIO, &clk->clkdiv2_ratio);
+ writel(CLK_DIV4_RATIO, &clk->clkdiv4_ratio);
+ writel(CLK_DIV_G2D, &clk->div_g2d);
+
+ writel(CLK_SRC_TOP6_VAL, &clk->src_top6);
+ writel(CLK_SRC_CDREX_VAL, &clk->src_cdrex);
+ writel(CLK_SRC_KFC_VAL, &clk->src_kfc);
+}
+
+void system_clock_init(void)
+{
+ if (proid_is_exynos5420())
+ exynos5420_system_clock_init();
+ else
+ exynos5250_system_clock_init();
+}
+
void clock_init_dp_clock(void)
{
struct exynos5_clock *clk =
projects / karo-tx-uboot.git / blobdiff