| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2013 Broadcom Corporation. |
| */ |
| |
| /* |
| * |
| * bcm281xx-specific clock tables |
| * |
| */ |
| |
| #include <asm/io.h> |
| #include <linux/errno.h> |
| #include <asm/arch/sysmap.h> |
| #include <asm/kona-common/clk.h> |
| #include "clk-core.h" |
| |
| #define CLOCK_1K 1000 |
| #define CLOCK_1M (CLOCK_1K * 1000) |
| |
| /* declare a reference clock */ |
| #define DECLARE_REF_CLK(clk_name, clk_parent, clk_rate, clk_div) \ |
| static struct refclk clk_name = { \ |
| .clk = { \ |
| .name = #clk_name, \ |
| .parent = clk_parent, \ |
| .rate = clk_rate, \ |
| .div = clk_div, \ |
| .ops = &ref_clk_ops, \ |
| }, \ |
| } |
| |
| /* |
| * Reference clocks |
| */ |
| |
| /* Declare a list of reference clocks */ |
| DECLARE_REF_CLK(ref_crystal, 0, 26 * CLOCK_1M, 1); |
| DECLARE_REF_CLK(var_96m, 0, 96 * CLOCK_1M, 1); |
| DECLARE_REF_CLK(ref_96m, 0, 96 * CLOCK_1M, 1); |
| DECLARE_REF_CLK(ref_312m, 0, 312 * CLOCK_1M, 0); |
| DECLARE_REF_CLK(ref_104m, &ref_312m.clk, 104 * CLOCK_1M, 3); |
| DECLARE_REF_CLK(ref_52m, &ref_104m.clk, 52 * CLOCK_1M, 2); |
| DECLARE_REF_CLK(ref_13m, &ref_52m.clk, 13 * CLOCK_1M, 4); |
| DECLARE_REF_CLK(var_312m, 0, 312 * CLOCK_1M, 0); |
| DECLARE_REF_CLK(var_104m, &var_312m.clk, 104 * CLOCK_1M, 3); |
| DECLARE_REF_CLK(var_52m, &var_104m.clk, 52 * CLOCK_1M, 2); |
| DECLARE_REF_CLK(var_13m, &var_52m.clk, 13 * CLOCK_1M, 4); |
| |
| struct refclk_lkup { |
| struct refclk *procclk; |
| const char *name; |
| }; |
| |
| /* Lookup table for string to clk tranlation */ |
| #define MKSTR(x) {&x, #x} |
| static struct refclk_lkup refclk_str_tbl[] = { |
| MKSTR(ref_crystal), MKSTR(var_96m), MKSTR(ref_96m), |
| MKSTR(ref_312m), MKSTR(ref_104m), MKSTR(ref_52m), |
| MKSTR(ref_13m), MKSTR(var_312m), MKSTR(var_104m), |
| MKSTR(var_52m), MKSTR(var_13m), |
| }; |
| |
| int refclk_entries = sizeof(refclk_str_tbl)/sizeof(refclk_str_tbl[0]); |
| |
| /* convert ref clock string to clock structure pointer */ |
| struct refclk *refclk_str_to_clk(const char *name) |
| { |
| int i; |
| struct refclk_lkup *tblp = refclk_str_tbl; |
| for (i = 0; i < refclk_entries; i++, tblp++) { |
| if (!(strcmp(name, tblp->name))) |
| return tblp->procclk; |
| } |
| return NULL; |
| } |
| |
| /* frequency tables indexed by freq_id */ |
| unsigned long master_axi_freq_tbl[8] = { |
| 26 * CLOCK_1M, |
| 52 * CLOCK_1M, |
| 104 * CLOCK_1M, |
| 156 * CLOCK_1M, |
| 156 * CLOCK_1M, |
| 208 * CLOCK_1M, |
| 312 * CLOCK_1M, |
| 312 * CLOCK_1M |
| }; |
| |
| unsigned long master_ahb_freq_tbl[8] = { |
| 26 * CLOCK_1M, |
| 52 * CLOCK_1M, |
| 52 * CLOCK_1M, |
| 52 * CLOCK_1M, |
| 78 * CLOCK_1M, |
| 104 * CLOCK_1M, |
| 104 * CLOCK_1M, |
| 156 * CLOCK_1M |
| }; |
| |
| unsigned long slave_axi_freq_tbl[8] = { |
| 26 * CLOCK_1M, |
| 52 * CLOCK_1M, |
| 78 * CLOCK_1M, |
| 104 * CLOCK_1M, |
| 156 * CLOCK_1M, |
| 156 * CLOCK_1M |
| }; |
| |
| unsigned long slave_apb_freq_tbl[8] = { |
| 26 * CLOCK_1M, |
| 26 * CLOCK_1M, |
| 39 * CLOCK_1M, |
| 52 * CLOCK_1M, |
| 52 * CLOCK_1M, |
| 78 * CLOCK_1M |
| }; |
| |
| unsigned long esub_freq_tbl[8] = { |
| 78 * CLOCK_1M, |
| 156 * CLOCK_1M, |
| 156 * CLOCK_1M, |
| 156 * CLOCK_1M, |
| 208 * CLOCK_1M, |
| 208 * CLOCK_1M, |
| 208 * CLOCK_1M |
| }; |
| |
| static struct bus_clk_data bsc1_apb_data = { |
| .gate = HW_SW_GATE_AUTO(0x0458, 16, 0, 1), |
| }; |
| |
| static struct bus_clk_data bsc2_apb_data = { |
| .gate = HW_SW_GATE_AUTO(0x045c, 16, 0, 1), |
| }; |
| |
| static struct bus_clk_data bsc3_apb_data = { |
| .gate = HW_SW_GATE_AUTO(0x0484, 16, 0, 1), |
| }; |
| |
| /* * Master CCU clocks */ |
| static struct peri_clk_data sdio1_data = { |
| .gate = HW_SW_GATE(0x0358, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_52m", |
| "ref_52m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a28, 0, 3), |
| .div = DIVIDER(0x0a28, 4, 14), |
| .trig = TRIGGER(0x0afc, 9), |
| }; |
| |
| static struct peri_clk_data sdio2_data = { |
| .gate = HW_SW_GATE(0x035c, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_52m", |
| "ref_52m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a2c, 0, 3), |
| .div = DIVIDER(0x0a2c, 4, 14), |
| .trig = TRIGGER(0x0afc, 10), |
| }; |
| |
| static struct peri_clk_data sdio3_data = { |
| .gate = HW_SW_GATE(0x0364, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_52m", |
| "ref_52m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a34, 0, 3), |
| .div = DIVIDER(0x0a34, 4, 14), |
| .trig = TRIGGER(0x0afc, 12), |
| }; |
| |
| static struct peri_clk_data sdio4_data = { |
| .gate = HW_SW_GATE(0x0360, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_52m", |
| "ref_52m", |
| "var_96m", |
| "ref_96m"), |
| .sel = SELECTOR(0x0a30, 0, 3), |
| .div = DIVIDER(0x0a30, 4, 14), |
| .trig = TRIGGER(0x0afc, 11), |
| }; |
| |
| static struct peri_clk_data sdio1_sleep_data = { |
| .clocks = CLOCKS("ref_32k"), |
| .gate = SW_ONLY_GATE(0x0358, 20, 4), |
| }; |
| |
| static struct peri_clk_data sdio2_sleep_data = { |
| .clocks = CLOCKS("ref_32k"), |
| .gate = SW_ONLY_GATE(0x035c, 20, 4), |
| }; |
| |
| static struct peri_clk_data sdio3_sleep_data = { |
| .clocks = CLOCKS("ref_32k"), |
| .gate = SW_ONLY_GATE(0x0364, 20, 4), |
| }; |
| |
| static struct peri_clk_data sdio4_sleep_data = { |
| .clocks = CLOCKS("ref_32k"), |
| .gate = SW_ONLY_GATE(0x0360, 20, 4), |
| }; |
| |
| static struct bus_clk_data usb_otg_ahb_data = { |
| .gate = HW_SW_GATE_AUTO(0x0348, 16, 0, 1), |
| }; |
| |
| static struct bus_clk_data sdio1_ahb_data = { |
| .gate = HW_SW_GATE_AUTO(0x0358, 16, 0, 1), |
| }; |
| |
| static struct bus_clk_data sdio2_ahb_data = { |
| .gate = HW_SW_GATE_AUTO(0x035c, 16, 0, 1), |
| }; |
| |
| static struct bus_clk_data sdio3_ahb_data = { |
| .gate = HW_SW_GATE_AUTO(0x0364, 16, 0, 1), |
| }; |
| |
| static struct bus_clk_data sdio4_ahb_data = { |
| .gate = HW_SW_GATE_AUTO(0x0360, 16, 0, 1), |
| }; |
| |
| /* * Slave CCU clocks */ |
| static struct peri_clk_data bsc1_data = { |
| .gate = HW_SW_GATE(0x0458, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m", |
| "ref_104m", |
| "var_13m", |
| "ref_13m"), |
| .sel = SELECTOR(0x0a64, 0, 3), |
| .trig = TRIGGER(0x0afc, 23), |
| }; |
| |
| static struct peri_clk_data bsc2_data = { |
| .gate = HW_SW_GATE(0x045c, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m", |
| "ref_104m", |
| "var_13m", |
| "ref_13m"), |
| .sel = SELECTOR(0x0a68, 0, 3), |
| .trig = TRIGGER(0x0afc, 24), |
| }; |
| |
| static struct peri_clk_data bsc3_data = { |
| .gate = HW_SW_GATE(0x0484, 18, 2, 3), |
| .clocks = CLOCKS("ref_crystal", |
| "var_104m", |
| "ref_104m", |
| "var_13m", |
| "ref_13m"), |
| .sel = SELECTOR(0x0a84, 0, 3), |
| .trig = TRIGGER(0x0b00, 2), |
| }; |
| |
| /* |
| * CCU clocks |
| */ |
| |
| static struct ccu_clock kpm_ccu_clk = { |
| .clk = { |
| .name = "kpm_ccu_clk", |
| .ops = &ccu_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .num_policy_masks = 1, |
| .policy_freq_offset = 0x00000008, |
| .freq_bit_shift = 8, |
| .policy_ctl_offset = 0x0000000c, |
| .policy0_mask_offset = 0x00000010, |
| .policy1_mask_offset = 0x00000014, |
| .policy2_mask_offset = 0x00000018, |
| .policy3_mask_offset = 0x0000001c, |
| .lvm_en_offset = 0x00000034, |
| .freq_id = 2, |
| .freq_tbl = master_axi_freq_tbl, |
| }; |
| |
| static struct ccu_clock kps_ccu_clk = { |
| .clk = { |
| .name = "kps_ccu_clk", |
| .ops = &ccu_clk_ops, |
| .ccu_clk_mgr_base = KONA_SLV_CLK_BASE_ADDR, |
| }, |
| .num_policy_masks = 2, |
| .policy_freq_offset = 0x00000008, |
| .freq_bit_shift = 8, |
| .policy_ctl_offset = 0x0000000c, |
| .policy0_mask_offset = 0x00000010, |
| .policy1_mask_offset = 0x00000014, |
| .policy2_mask_offset = 0x00000018, |
| .policy3_mask_offset = 0x0000001c, |
| .policy0_mask2_offset = 0x00000048, |
| .policy1_mask2_offset = 0x0000004c, |
| .policy2_mask2_offset = 0x00000050, |
| .policy3_mask2_offset = 0x00000054, |
| .lvm_en_offset = 0x00000034, |
| .freq_id = 2, |
| .freq_tbl = slave_axi_freq_tbl, |
| }; |
| |
| #ifdef CONFIG_BCM_SF2_ETH |
| static struct ccu_clock esub_ccu_clk = { |
| .clk = { |
| .name = "esub_ccu_clk", |
| .ops = &ccu_clk_ops, |
| .ccu_clk_mgr_base = ESUB_CLK_BASE_ADDR, |
| }, |
| .num_policy_masks = 1, |
| .policy_freq_offset = 0x00000008, |
| .freq_bit_shift = 8, |
| .policy_ctl_offset = 0x0000000c, |
| .policy0_mask_offset = 0x00000010, |
| .policy1_mask_offset = 0x00000014, |
| .policy2_mask_offset = 0x00000018, |
| .policy3_mask_offset = 0x0000001c, |
| .lvm_en_offset = 0x00000034, |
| .freq_id = 2, |
| .freq_tbl = esub_freq_tbl, |
| }; |
| #endif |
| |
| /* |
| * Bus clocks |
| */ |
| |
| /* KPM bus clocks */ |
| static struct bus_clock usb_otg_ahb_clk = { |
| .clk = { |
| .name = "usb_otg_ahb_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .freq_tbl = master_ahb_freq_tbl, |
| .data = &usb_otg_ahb_data, |
| }; |
| |
| static struct bus_clock sdio1_ahb_clk = { |
| .clk = { |
| .name = "sdio1_ahb_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .freq_tbl = master_ahb_freq_tbl, |
| .data = &sdio1_ahb_data, |
| }; |
| |
| static struct bus_clock sdio2_ahb_clk = { |
| .clk = { |
| .name = "sdio2_ahb_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .freq_tbl = master_ahb_freq_tbl, |
| .data = &sdio2_ahb_data, |
| }; |
| |
| static struct bus_clock sdio3_ahb_clk = { |
| .clk = { |
| .name = "sdio3_ahb_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .freq_tbl = master_ahb_freq_tbl, |
| .data = &sdio3_ahb_data, |
| }; |
| |
| static struct bus_clock sdio4_ahb_clk = { |
| .clk = { |
| .name = "sdio4_ahb_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .freq_tbl = master_ahb_freq_tbl, |
| .data = &sdio4_ahb_data, |
| }; |
| |
| static struct bus_clock bsc1_apb_clk = { |
| .clk = { |
| .name = "bsc1_apb_clk", |
| .parent = &kps_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_SLV_CLK_BASE_ADDR, |
| }, |
| .freq_tbl = slave_apb_freq_tbl, |
| .data = &bsc1_apb_data, |
| }; |
| |
| static struct bus_clock bsc2_apb_clk = { |
| .clk = { |
| .name = "bsc2_apb_clk", |
| .parent = &kps_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_SLV_CLK_BASE_ADDR, |
| }, |
| .freq_tbl = slave_apb_freq_tbl, |
| .data = &bsc2_apb_data, |
| }; |
| |
| static struct bus_clock bsc3_apb_clk = { |
| .clk = { |
| .name = "bsc3_apb_clk", |
| .parent = &kps_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_SLV_CLK_BASE_ADDR, |
| }, |
| .freq_tbl = slave_apb_freq_tbl, |
| .data = &bsc3_apb_data, |
| }; |
| |
| /* KPM peripheral */ |
| static struct peri_clock sdio1_clk = { |
| .clk = { |
| .name = "sdio1_clk", |
| .parent = &ref_52m.clk, |
| .ops = &peri_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .data = &sdio1_data, |
| }; |
| |
| static struct peri_clock sdio2_clk = { |
| .clk = { |
| .name = "sdio2_clk", |
| .parent = &ref_52m.clk, |
| .ops = &peri_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .data = &sdio2_data, |
| }; |
| |
| static struct peri_clock sdio3_clk = { |
| .clk = { |
| .name = "sdio3_clk", |
| .parent = &ref_52m.clk, |
| .ops = &peri_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .data = &sdio3_data, |
| }; |
| |
| static struct peri_clock sdio4_clk = { |
| .clk = { |
| .name = "sdio4_clk", |
| .parent = &ref_52m.clk, |
| .ops = &peri_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .data = &sdio4_data, |
| }; |
| |
| static struct peri_clock sdio1_sleep_clk = { |
| .clk = { |
| .name = "sdio1_sleep_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .data = &sdio1_sleep_data, |
| }; |
| |
| static struct peri_clock sdio2_sleep_clk = { |
| .clk = { |
| .name = "sdio2_sleep_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .data = &sdio2_sleep_data, |
| }; |
| |
| static struct peri_clock sdio3_sleep_clk = { |
| .clk = { |
| .name = "sdio3_sleep_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .data = &sdio3_sleep_data, |
| }; |
| |
| static struct peri_clock sdio4_sleep_clk = { |
| .clk = { |
| .name = "sdio4_sleep_clk", |
| .parent = &kpm_ccu_clk.clk, |
| .ops = &bus_clk_ops, |
| .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, |
| }, |
| .data = &sdio4_sleep_data, |
| }; |
| |
| /* KPS peripheral clock */ |
| static struct peri_clock bsc1_clk = { |
| .clk = { |
| .name = "bsc1_clk", |
| .parent = &ref_13m.clk, |
| .rate = 13 * CLOCK_1M, |
| .div = 1, |
| .ops = &peri_clk_ops, |
| .ccu_clk_mgr_base = KONA_SLV_CLK_BASE_ADDR, |
| }, |
| .data = &bsc1_data, |
| }; |
| |
| static struct peri_clock bsc2_clk = { |
| .clk = { |
| .name = "bsc2_clk", |
| .parent = &ref_13m.clk, |
| .rate = 13 * CLOCK_1M, |
| .div = 1, |
| .ops = &peri_clk_ops, |
| .ccu_clk_mgr_base = KONA_SLV_CLK_BASE_ADDR, |
| }, |
| .data = &bsc2_data, |
| }; |
| |
| static struct peri_clock bsc3_clk = { |
| .clk = { |
| .name = "bsc3_clk", |
| .parent = &ref_13m.clk, |
| .rate = 13 * CLOCK_1M, |
| .div = 1, |
| .ops = &peri_clk_ops, |
| .ccu_clk_mgr_base = KONA_SLV_CLK_BASE_ADDR, |
| }, |
| .data = &bsc3_data, |
| }; |
| |
| /* public table for registering clocks */ |
| struct clk_lookup arch_clk_tbl[] = { |
| /* Peripheral clocks */ |
| CLK_LK(sdio1), |
| CLK_LK(sdio2), |
| CLK_LK(sdio3), |
| CLK_LK(sdio4), |
| CLK_LK(sdio1_sleep), |
| CLK_LK(sdio2_sleep), |
| CLK_LK(sdio3_sleep), |
| CLK_LK(sdio4_sleep), |
| CLK_LK(bsc1), |
| CLK_LK(bsc2), |
| CLK_LK(bsc3), |
| /* Bus clocks */ |
| CLK_LK(usb_otg_ahb), |
| CLK_LK(sdio1_ahb), |
| CLK_LK(sdio2_ahb), |
| CLK_LK(sdio3_ahb), |
| CLK_LK(sdio4_ahb), |
| CLK_LK(bsc1_apb), |
| CLK_LK(bsc2_apb), |
| CLK_LK(bsc3_apb), |
| #ifdef CONFIG_BCM_SF2_ETH |
| CLK_LK(esub_ccu), |
| #endif |
| }; |
| |
| /* public array size */ |
| unsigned int arch_clk_tbl_array_size = ARRAY_SIZE(arch_clk_tbl); |