diff options
Diffstat (limited to 'target/linux/ramips/patches-6.1/005-v6.5-06-mips-ralink-mt7620-remove-clock-related-code.patch')
-rw-r--r-- | target/linux/ramips/patches-6.1/005-v6.5-06-mips-ralink-mt7620-remove-clock-related-code.patch | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/target/linux/ramips/patches-6.1/005-v6.5-06-mips-ralink-mt7620-remove-clock-related-code.patch b/target/linux/ramips/patches-6.1/005-v6.5-06-mips-ralink-mt7620-remove-clock-related-code.patch deleted file mode 100644 index 7b83cf54b4..0000000000 --- a/target/linux/ramips/patches-6.1/005-v6.5-06-mips-ralink-mt7620-remove-clock-related-code.patch +++ /dev/null @@ -1,327 +0,0 @@ -From 04b153abdfcbaba70ceef5a846067d4447fd0078 Mon Sep 17 00:00:00 2001 -From: Sergio Paracuellos <sergio.paracuellos@gmail.com> -Date: Mon, 19 Jun 2023 06:09:38 +0200 -Subject: [PATCH 6/9] mips: ralink: mt7620: remove clock related code - -A proper clock driver for ralink SoCs has been added. Hence there is no -need to have clock related code in 'arch/mips/ralink' folder anymore. -Since this is the last clock related code removal, remove also remaining -prototypes in 'common.h' header file. - -Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> -Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> ---- - arch/mips/include/asm/mach-ralink/mt7620.h | 35 ----- - arch/mips/ralink/common.h | 3 - - arch/mips/ralink/mt7620.c | 226 ----------------------------- - 3 files changed, 264 deletions(-) - ---- a/arch/mips/include/asm/mach-ralink/mt7620.h -+++ b/arch/mips/include/asm/mach-ralink/mt7620.h -@@ -19,52 +19,17 @@ - #define SYSC_REG_CHIP_REV 0x0c - #define SYSC_REG_SYSTEM_CONFIG0 0x10 - #define SYSC_REG_SYSTEM_CONFIG1 0x14 --#define SYSC_REG_CLKCFG0 0x2c --#define SYSC_REG_CPU_SYS_CLKCFG 0x3c --#define SYSC_REG_CPLL_CONFIG0 0x54 --#define SYSC_REG_CPLL_CONFIG1 0x58 - - #define MT7620_CHIP_NAME0 0x3637544d - #define MT7620_CHIP_NAME1 0x20203032 - #define MT7628_CHIP_NAME1 0x20203832 - --#define SYSCFG0_XTAL_FREQ_SEL BIT(6) -- - #define CHIP_REV_PKG_MASK 0x1 - #define CHIP_REV_PKG_SHIFT 16 - #define CHIP_REV_VER_MASK 0xf - #define CHIP_REV_VER_SHIFT 8 - #define CHIP_REV_ECO_MASK 0xf - --#define CLKCFG0_PERI_CLK_SEL BIT(4) -- --#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16 --#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf --#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */ --#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */ --#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */ --#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */ --#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */ --#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */ --#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */ --#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */ --#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */ --#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8 --#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f --#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0 --#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f -- --#define CPLL_CFG0_SW_CFG BIT(31) --#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16 --#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7 --#define CPLL_CFG0_LC_CURFCK BIT(15) --#define CPLL_CFG0_BYPASS_REF_CLK BIT(14) --#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10 --#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3 -- --#define CPLL_CFG1_CPU_AUX1 BIT(25) --#define CPLL_CFG1_CPU_AUX0 BIT(24) -- - #define SYSCFG0_DRAM_TYPE_MASK 0x3 - #define SYSCFG0_DRAM_TYPE_SHIFT 4 - #define SYSCFG0_DRAM_TYPE_SDRAM 0 ---- a/arch/mips/ralink/common.h -+++ b/arch/mips/ralink/common.h -@@ -23,9 +23,6 @@ extern struct ralink_soc_info soc_info; - - extern void ralink_of_remap(void); - --extern void ralink_clk_init(void); --extern void ralink_clk_add(const char *dev, unsigned long rate); -- - extern void ralink_rst_init(void); - - extern void __init prom_soc_init(struct ralink_soc_info *soc_info); ---- a/arch/mips/ralink/mt7620.c -+++ b/arch/mips/ralink/mt7620.c -@@ -34,12 +34,6 @@ - #define PMU1_CFG 0x8C - #define DIG_SW_SEL BIT(25) - --/* clock scaling */ --#define CLKCFG_FDIV_MASK 0x1f00 --#define CLKCFG_FDIV_USB_VAL 0x0300 --#define CLKCFG_FFRAC_MASK 0x001f --#define CLKCFG_FFRAC_USB_VAL 0x0003 -- - /* EFUSE bits */ - #define EFUSE_MT7688 0x100000 - -@@ -49,226 +43,6 @@ - /* does the board have sdram or ddram */ - static int dram_type; - --static __init u32 --mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div) --{ -- u64 t; -- -- t = ref_rate; -- t *= mul; -- do_div(t, div); -- -- return t; --} -- --#define MHZ(x) ((x) * 1000 * 1000) -- --static __init unsigned long --mt7620_get_xtal_rate(void) --{ -- u32 reg; -- -- reg = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0); -- if (reg & SYSCFG0_XTAL_FREQ_SEL) -- return MHZ(40); -- -- return MHZ(20); --} -- --static __init unsigned long --mt7620_get_periph_rate(unsigned long xtal_rate) --{ -- u32 reg; -- -- reg = rt_sysc_r32(SYSC_REG_CLKCFG0); -- if (reg & CLKCFG0_PERI_CLK_SEL) -- return xtal_rate; -- -- return MHZ(40); --} -- --static const u32 mt7620_clk_divider[] __initconst = { 2, 3, 4, 8 }; -- --static __init unsigned long --mt7620_get_cpu_pll_rate(unsigned long xtal_rate) --{ -- u32 reg; -- u32 mul; -- u32 div; -- -- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0); -- if (reg & CPLL_CFG0_BYPASS_REF_CLK) -- return xtal_rate; -- -- if ((reg & CPLL_CFG0_SW_CFG) == 0) -- return MHZ(600); -- -- mul = (reg >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) & -- CPLL_CFG0_PLL_MULT_RATIO_MASK; -- mul += 24; -- if (reg & CPLL_CFG0_LC_CURFCK) -- mul *= 2; -- -- div = (reg >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) & -- CPLL_CFG0_PLL_DIV_RATIO_MASK; -- -- WARN_ON(div >= ARRAY_SIZE(mt7620_clk_divider)); -- -- return mt7620_calc_rate(xtal_rate, mul, mt7620_clk_divider[div]); --} -- --static __init unsigned long --mt7620_get_pll_rate(unsigned long xtal_rate, unsigned long cpu_pll_rate) --{ -- u32 reg; -- -- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1); -- if (reg & CPLL_CFG1_CPU_AUX1) -- return xtal_rate; -- -- if (reg & CPLL_CFG1_CPU_AUX0) -- return MHZ(480); -- -- return cpu_pll_rate; --} -- --static __init unsigned long --mt7620_get_cpu_rate(unsigned long pll_rate) --{ -- u32 reg; -- u32 mul; -- u32 div; -- -- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); -- -- mul = reg & CPU_SYS_CLKCFG_CPU_FFRAC_MASK; -- div = (reg >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) & -- CPU_SYS_CLKCFG_CPU_FDIV_MASK; -- -- return mt7620_calc_rate(pll_rate, mul, div); --} -- --static const u32 mt7620_ocp_dividers[16] __initconst = { -- [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2, -- [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3, -- [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4, -- [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5, -- [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10, --}; -- --static __init unsigned long --mt7620_get_dram_rate(unsigned long pll_rate) --{ -- if (dram_type == SYSCFG0_DRAM_TYPE_SDRAM) -- return pll_rate / 4; -- -- return pll_rate / 3; --} -- --static __init unsigned long --mt7620_get_sys_rate(unsigned long cpu_rate) --{ -- u32 reg; -- u32 ocp_ratio; -- u32 div; -- -- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); -- -- ocp_ratio = (reg >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) & -- CPU_SYS_CLKCFG_OCP_RATIO_MASK; -- -- if (WARN_ON(ocp_ratio >= ARRAY_SIZE(mt7620_ocp_dividers))) -- return cpu_rate; -- -- div = mt7620_ocp_dividers[ocp_ratio]; -- if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio)) -- return cpu_rate; -- -- return cpu_rate / div; --} -- --void __init ralink_clk_init(void) --{ -- unsigned long xtal_rate; -- unsigned long cpu_pll_rate; -- unsigned long pll_rate; -- unsigned long cpu_rate; -- unsigned long sys_rate; -- unsigned long dram_rate; -- unsigned long periph_rate; -- unsigned long pcmi2s_rate; -- -- xtal_rate = mt7620_get_xtal_rate(); -- --#define RFMT(label) label ":%lu.%03luMHz " --#define RINT(x) ((x) / 1000000) --#define RFRAC(x) (((x) / 1000) % 1000) -- -- if (is_mt76x8()) { -- if (xtal_rate == MHZ(40)) -- cpu_rate = MHZ(580); -- else -- cpu_rate = MHZ(575); -- dram_rate = sys_rate = cpu_rate / 3; -- periph_rate = MHZ(40); -- pcmi2s_rate = MHZ(480); -- -- ralink_clk_add("10000d00.uartlite", periph_rate); -- ralink_clk_add("10000e00.uartlite", periph_rate); -- } else { -- cpu_pll_rate = mt7620_get_cpu_pll_rate(xtal_rate); -- pll_rate = mt7620_get_pll_rate(xtal_rate, cpu_pll_rate); -- -- cpu_rate = mt7620_get_cpu_rate(pll_rate); -- dram_rate = mt7620_get_dram_rate(pll_rate); -- sys_rate = mt7620_get_sys_rate(cpu_rate); -- periph_rate = mt7620_get_periph_rate(xtal_rate); -- pcmi2s_rate = periph_rate; -- -- pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"), -- RINT(xtal_rate), RFRAC(xtal_rate), -- RINT(cpu_pll_rate), RFRAC(cpu_pll_rate), -- RINT(pll_rate), RFRAC(pll_rate)); -- -- ralink_clk_add("10000500.uart", periph_rate); -- } -- -- pr_debug(RFMT("CPU") RFMT("DRAM") RFMT("SYS") RFMT("PERIPH"), -- RINT(cpu_rate), RFRAC(cpu_rate), -- RINT(dram_rate), RFRAC(dram_rate), -- RINT(sys_rate), RFRAC(sys_rate), -- RINT(periph_rate), RFRAC(periph_rate)); --#undef RFRAC --#undef RINT --#undef RFMT -- -- ralink_clk_add("cpu", cpu_rate); -- ralink_clk_add("10000100.timer", periph_rate); -- ralink_clk_add("10000120.watchdog", periph_rate); -- ralink_clk_add("10000900.i2c", periph_rate); -- ralink_clk_add("10000a00.i2s", pcmi2s_rate); -- ralink_clk_add("10000b00.spi", sys_rate); -- ralink_clk_add("10000b40.spi", sys_rate); -- ralink_clk_add("10000c00.uartlite", periph_rate); -- ralink_clk_add("10000d00.uart1", periph_rate); -- ralink_clk_add("10000e00.uart2", periph_rate); -- ralink_clk_add("10180000.wmac", xtal_rate); -- -- if (IS_ENABLED(CONFIG_USB) && !is_mt76x8()) { -- /* -- * When the CPU goes into sleep mode, the BUS clock will be -- * too low for USB to function properly. Adjust the busses -- * fractional divider to fix this -- */ -- u32 val = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); -- -- val &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK); -- val |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL; -- -- rt_sysc_w32(val, SYSC_REG_CPU_SYS_CLKCFG); -- } --} -- - void __init ralink_of_remap(void) - { - rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc"); |