diff options
Diffstat (limited to 'arch/arm/cpu/armv7/keystone')
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/Makefile | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/clock-k2e.c | 101 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/clock-k2hk.c | 113 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/clock.c | 154 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/cmd_clock.c | 31 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/ddr3.c | 25 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/init.c | 16 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/keystone.c | 87 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/msmc.c | 6 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/psc.c | 42 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/keystone/spl.c | 8 |
11 files changed, 420 insertions, 168 deletions
diff --git a/arch/arm/cpu/armv7/keystone/Makefile b/arch/arm/cpu/armv7/keystone/Makefile index c4af252110..f8519c0403 100644 --- a/arch/arm/cpu/armv7/keystone/Makefile +++ b/arch/arm/cpu/armv7/keystone/Makefile @@ -8,9 +8,12 @@ obj-y += init.o obj-y += psc.o obj-y += clock.o +obj-$(CONFIG_SOC_K2HK) += clock-k2hk.o +obj-$(CONFIG_SOC_K2E) += clock-k2e.o obj-y += cmd_clock.o obj-y += cmd_mon.o -obj-y += keystone_nav.o +obj-$(CONFIG_DRIVER_TI_KEYSTONE_NET) += keystone_nav.o obj-y += msmc.o obj-$(CONFIG_SPL_BUILD) += spl.o obj-y += ddr3.o +obj-y += keystone.o diff --git a/arch/arm/cpu/armv7/keystone/clock-k2e.c b/arch/arm/cpu/armv7/keystone/clock-k2e.c new file mode 100644 index 0000000000..42092e1060 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/clock-k2e.c @@ -0,0 +1,101 @@ +/* + * Keystone2: get clk rate for K2E + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/clock_defs.h> + +const struct keystone_pll_regs keystone_pll_regs[] = { + [CORE_PLL] = {KS2_MAINPLLCTL0, KS2_MAINPLLCTL1}, + [PASS_PLL] = {KS2_PASSPLLCTL0, KS2_PASSPLLCTL1}, + [DDR3_PLL] = {KS2_DDR3APLLCTL0, KS2_DDR3APLLCTL1}, +}; + +/** + * pll_freq_get - get pll frequency + * Fout = Fref * NF(mult) / NR(prediv) / OD + * @pll: pll identifier + */ +static unsigned long pll_freq_get(int pll) +{ + unsigned long mult = 1, prediv = 1, output_div = 2; + unsigned long ret; + u32 tmp, reg; + + if (pll == CORE_PLL) { + ret = external_clk[sys_clk]; + if (pllctl_reg_read(pll, ctl) & PLLCTL_PLLEN) { + /* PLL mode */ + tmp = __raw_readl(KS2_MAINPLLCTL0); + prediv = (tmp & PLL_DIV_MASK) + 1; + mult = (((tmp & PLLM_MULT_HI_SMASK) >> 6) | + (pllctl_reg_read(pll, mult) & + PLLM_MULT_LO_MASK)) + 1; + output_div = ((pllctl_reg_read(pll, secctl) >> + PLL_CLKOD_SHIFT) & PLL_CLKOD_MASK) + 1; + + ret = ret / prediv / output_div * mult; + } + } else { + switch (pll) { + case PASS_PLL: + ret = external_clk[pa_clk]; + reg = KS2_PASSPLLCTL0; + break; + case DDR3_PLL: + ret = external_clk[ddr3_clk]; + reg = KS2_DDR3APLLCTL0; + break; + default: + return 0; + } + + tmp = __raw_readl(reg); + + if (!(tmp & PLLCTL_BYPASS)) { + /* Bypass disabled */ + prediv = (tmp & PLL_DIV_MASK) + 1; + mult = ((tmp >> PLL_MULT_SHIFT) & PLL_MULT_MASK) + 1; + output_div = ((tmp >> PLL_CLKOD_SHIFT) & + PLL_CLKOD_MASK) + 1; + ret = ((ret / prediv) * mult) / output_div; + } + } + + return ret; +} + +unsigned long clk_get_rate(unsigned int clk) +{ + switch (clk) { + case core_pll_clk: return pll_freq_get(CORE_PLL); + case pass_pll_clk: return pll_freq_get(PASS_PLL); + case ddr3_pll_clk: return pll_freq_get(DDR3_PLL); + case sys_clk0_1_clk: + case sys_clk0_clk: return pll_freq_get(CORE_PLL) / pll0div_read(1); + case sys_clk1_clk: return pll_freq_get(CORE_PLL) / pll0div_read(2); + case sys_clk2_clk: return pll_freq_get(CORE_PLL) / pll0div_read(3); + case sys_clk3_clk: return pll_freq_get(CORE_PLL) / pll0div_read(4); + case sys_clk0_2_clk: return clk_get_rate(sys_clk0_clk) / 2; + case sys_clk0_3_clk: return clk_get_rate(sys_clk0_clk) / 3; + case sys_clk0_4_clk: return clk_get_rate(sys_clk0_clk) / 4; + case sys_clk0_6_clk: return clk_get_rate(sys_clk0_clk) / 6; + case sys_clk0_8_clk: return clk_get_rate(sys_clk0_clk) / 8; + case sys_clk0_12_clk: return clk_get_rate(sys_clk0_clk) / 12; + case sys_clk0_24_clk: return clk_get_rate(sys_clk0_clk) / 24; + case sys_clk1_3_clk: return clk_get_rate(sys_clk1_clk) / 3; + case sys_clk1_4_clk: return clk_get_rate(sys_clk1_clk) / 4; + case sys_clk1_6_clk: return clk_get_rate(sys_clk1_clk) / 6; + case sys_clk1_12_clk: return clk_get_rate(sys_clk1_clk) / 12; + default: + break; + } + + return 0; +} diff --git a/arch/arm/cpu/armv7/keystone/clock-k2hk.c b/arch/arm/cpu/armv7/keystone/clock-k2hk.c new file mode 100644 index 0000000000..96a9f72886 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/clock-k2hk.c @@ -0,0 +1,113 @@ +/* + * Keystone2: get clk rate for K2HK + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/clock_defs.h> + +const struct keystone_pll_regs keystone_pll_regs[] = { + [CORE_PLL] = {KS2_MAINPLLCTL0, KS2_MAINPLLCTL1}, + [PASS_PLL] = {KS2_PASSPLLCTL0, KS2_PASSPLLCTL1}, + [TETRIS_PLL] = {KS2_ARMPLLCTL0, KS2_ARMPLLCTL1}, + [DDR3A_PLL] = {KS2_DDR3APLLCTL0, KS2_DDR3APLLCTL1}, + [DDR3B_PLL] = {KS2_DDR3BPLLCTL0, KS2_DDR3BPLLCTL1}, +}; + +/** + * pll_freq_get - get pll frequency + * Fout = Fref * NF(mult) / NR(prediv) / OD + * @pll: pll identifier + */ +static unsigned long pll_freq_get(int pll) +{ + unsigned long mult = 1, prediv = 1, output_div = 2; + unsigned long ret; + u32 tmp, reg; + + if (pll == CORE_PLL) { + ret = external_clk[sys_clk]; + if (pllctl_reg_read(pll, ctl) & PLLCTL_PLLEN) { + /* PLL mode */ + tmp = __raw_readl(KS2_MAINPLLCTL0); + prediv = (tmp & PLL_DIV_MASK) + 1; + mult = (((tmp & PLLM_MULT_HI_SMASK) >> 6) | + (pllctl_reg_read(pll, mult) & + PLLM_MULT_LO_MASK)) + 1; + output_div = ((pllctl_reg_read(pll, secctl) >> + PLL_CLKOD_SHIFT) & PLL_CLKOD_MASK) + 1; + + ret = ret / prediv / output_div * mult; + } + } else { + switch (pll) { + case PASS_PLL: + ret = external_clk[pa_clk]; + reg = KS2_PASSPLLCTL0; + break; + case TETRIS_PLL: + ret = external_clk[tetris_clk]; + reg = KS2_ARMPLLCTL0; + break; + case DDR3A_PLL: + ret = external_clk[ddr3a_clk]; + reg = KS2_DDR3APLLCTL0; + break; + case DDR3B_PLL: + ret = external_clk[ddr3b_clk]; + reg = KS2_DDR3BPLLCTL0; + break; + default: + return 0; + } + + tmp = __raw_readl(reg); + + if (!(tmp & PLLCTL_BYPASS)) { + /* Bypass disabled */ + prediv = (tmp & PLL_DIV_MASK) + 1; + mult = ((tmp >> PLL_MULT_SHIFT) & PLL_MULT_MASK) + 1; + output_div = ((tmp >> PLL_CLKOD_SHIFT) & + PLL_CLKOD_MASK) + 1; + ret = ((ret / prediv) * mult) / output_div; + } + } + + return ret; +} + +unsigned long clk_get_rate(unsigned int clk) +{ + switch (clk) { + case core_pll_clk: return pll_freq_get(CORE_PLL); + case pass_pll_clk: return pll_freq_get(PASS_PLL); + case tetris_pll_clk: return pll_freq_get(TETRIS_PLL); + case ddr3a_pll_clk: return pll_freq_get(DDR3A_PLL); + case ddr3b_pll_clk: return pll_freq_get(DDR3B_PLL); + case sys_clk0_1_clk: + case sys_clk0_clk: return pll_freq_get(CORE_PLL) / pll0div_read(1); + case sys_clk1_clk: return pll_freq_get(CORE_PLL) / pll0div_read(2); + case sys_clk2_clk: return pll_freq_get(CORE_PLL) / pll0div_read(3); + case sys_clk3_clk: return pll_freq_get(CORE_PLL) / pll0div_read(4); + case sys_clk0_2_clk: return clk_get_rate(sys_clk0_clk) / 2; + case sys_clk0_3_clk: return clk_get_rate(sys_clk0_clk) / 3; + case sys_clk0_4_clk: return clk_get_rate(sys_clk0_clk) / 4; + case sys_clk0_6_clk: return clk_get_rate(sys_clk0_clk) / 6; + case sys_clk0_8_clk: return clk_get_rate(sys_clk0_clk) / 8; + case sys_clk0_12_clk: return clk_get_rate(sys_clk0_clk) / 12; + case sys_clk0_24_clk: return clk_get_rate(sys_clk0_clk) / 24; + case sys_clk1_3_clk: return clk_get_rate(sys_clk1_clk) / 3; + case sys_clk1_4_clk: return clk_get_rate(sys_clk1_clk) / 4; + case sys_clk1_6_clk: return clk_get_rate(sys_clk1_clk) / 6; + case sys_clk1_12_clk: return clk_get_rate(sys_clk1_clk) / 12; + default: + break; + } + + return 0; +} diff --git a/arch/arm/cpu/armv7/keystone/clock.c b/arch/arm/cpu/armv7/keystone/clock.c index bfa4c9d8f6..03c1d9f660 100644 --- a/arch/arm/cpu/armv7/keystone/clock.c +++ b/arch/arm/cpu/armv7/keystone/clock.c @@ -8,9 +8,6 @@ */ #include <common.h> -#include <asm-generic/errno.h> -#include <asm/io.h> -#include <asm/processor.h> #include <asm/arch/clock.h> #include <asm/arch/clock_defs.h> @@ -24,106 +21,6 @@ static void wait_for_completion(const struct pll_init_data *data) } } -struct pll_regs { - u32 reg0, reg1; -}; - -static const struct pll_regs pll_regs[] = { - [CORE_PLL] = { K2HK_MAINPLLCTL0, K2HK_MAINPLLCTL1}, - [PASS_PLL] = { K2HK_PASSPLLCTL0, K2HK_PASSPLLCTL1}, - [TETRIS_PLL] = { K2HK_ARMPLLCTL0, K2HK_ARMPLLCTL1}, - [DDR3A_PLL] = { K2HK_DDR3APLLCTL0, K2HK_DDR3APLLCTL1}, - [DDR3B_PLL] = { K2HK_DDR3BPLLCTL0, K2HK_DDR3BPLLCTL1}, -}; - -/* Fout = Fref * NF(mult) / NR(prediv) / OD */ -static unsigned long pll_freq_get(int pll) -{ - unsigned long mult = 1, prediv = 1, output_div = 2; - unsigned long ret; - u32 tmp, reg; - - if (pll == CORE_PLL) { - ret = external_clk[sys_clk]; - if (pllctl_reg_read(pll, ctl) & PLLCTL_PLLEN) { - /* PLL mode */ - tmp = __raw_readl(K2HK_MAINPLLCTL0); - prediv = (tmp & PLL_DIV_MASK) + 1; - mult = (((tmp & PLLM_MULT_HI_SMASK) >> 6) | - (pllctl_reg_read(pll, mult) & - PLLM_MULT_LO_MASK)) + 1; - output_div = ((pllctl_reg_read(pll, secctl) >> - PLL_CLKOD_SHIFT) & PLL_CLKOD_MASK) + 1; - - ret = ret / prediv / output_div * mult; - } - } else { - switch (pll) { - case PASS_PLL: - ret = external_clk[pa_clk]; - reg = K2HK_PASSPLLCTL0; - break; - case TETRIS_PLL: - ret = external_clk[tetris_clk]; - reg = K2HK_ARMPLLCTL0; - break; - case DDR3A_PLL: - ret = external_clk[ddr3a_clk]; - reg = K2HK_DDR3APLLCTL0; - break; - case DDR3B_PLL: - ret = external_clk[ddr3b_clk]; - reg = K2HK_DDR3BPLLCTL0; - break; - default: - return 0; - } - - tmp = __raw_readl(reg); - - if (!(tmp & PLLCTL_BYPASS)) { - /* Bypass disabled */ - prediv = (tmp & PLL_DIV_MASK) + 1; - mult = ((tmp >> PLL_MULT_SHIFT) & PLL_MULT_MASK) + 1; - output_div = ((tmp >> PLL_CLKOD_SHIFT) & - PLL_CLKOD_MASK) + 1; - ret = ((ret / prediv) * mult) / output_div; - } - } - - return ret; -} - -unsigned long clk_get_rate(unsigned int clk) -{ - switch (clk) { - case core_pll_clk: return pll_freq_get(CORE_PLL); - case pass_pll_clk: return pll_freq_get(PASS_PLL); - case tetris_pll_clk: return pll_freq_get(TETRIS_PLL); - case ddr3a_pll_clk: return pll_freq_get(DDR3A_PLL); - case ddr3b_pll_clk: return pll_freq_get(DDR3B_PLL); - case sys_clk0_1_clk: - case sys_clk0_clk: return pll_freq_get(CORE_PLL) / pll0div_read(1); - case sys_clk1_clk: return pll_freq_get(CORE_PLL) / pll0div_read(2); - case sys_clk2_clk: return pll_freq_get(CORE_PLL) / pll0div_read(3); - case sys_clk3_clk: return pll_freq_get(CORE_PLL) / pll0div_read(4); - case sys_clk0_2_clk: return clk_get_rate(sys_clk0_clk) / 2; - case sys_clk0_3_clk: return clk_get_rate(sys_clk0_clk) / 3; - case sys_clk0_4_clk: return clk_get_rate(sys_clk0_clk) / 4; - case sys_clk0_6_clk: return clk_get_rate(sys_clk0_clk) / 6; - case sys_clk0_8_clk: return clk_get_rate(sys_clk0_clk) / 8; - case sys_clk0_12_clk: return clk_get_rate(sys_clk0_clk) / 12; - case sys_clk0_24_clk: return clk_get_rate(sys_clk0_clk) / 24; - case sys_clk1_3_clk: return clk_get_rate(sys_clk1_clk) / 3; - case sys_clk1_4_clk: return clk_get_rate(sys_clk1_clk) / 4; - case sys_clk1_6_clk: return clk_get_rate(sys_clk1_clk) / 6; - case sys_clk1_12_clk: return clk_get_rate(sys_clk1_clk) / 12; - default: - break; - } - return 0; -} - void init_pll(const struct pll_init_data *data) { u32 tmp, tmp_ctl, pllm, plld, pllod, bwadj; @@ -139,7 +36,7 @@ void init_pll(const struct pll_init_data *data) tmp = pllctl_reg_read(data->pll, secctl); if (tmp & (PLLCTL_BYPASS)) { - setbits_le32(pll_regs[data->pll].reg1, + setbits_le32(keystone_pll_regs[data->pll].reg1, BIT(MAIN_ENSAT_OFFSET)); pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN | @@ -159,21 +56,24 @@ void init_pll(const struct pll_init_data *data) pllctl_reg_write(data->pll, mult, pllm & PLLM_MULT_LO_MASK); - clrsetbits_le32(pll_regs[data->pll].reg0, PLLM_MULT_HI_SMASK, - (pllm << 6)); + clrsetbits_le32(keystone_pll_regs[data->pll].reg0, + PLLM_MULT_HI_SMASK, (pllm << 6)); /* Set the BWADJ (12 bit field) */ tmp_ctl = pllm >> 1; /* Divide the pllm by 2 */ - clrsetbits_le32(pll_regs[data->pll].reg0, PLL_BWADJ_LO_SMASK, + clrsetbits_le32(keystone_pll_regs[data->pll].reg0, + PLL_BWADJ_LO_SMASK, (tmp_ctl << PLL_BWADJ_LO_SHIFT)); - clrsetbits_le32(pll_regs[data->pll].reg1, PLL_BWADJ_HI_MASK, + clrsetbits_le32(keystone_pll_regs[data->pll].reg1, + PLL_BWADJ_HI_MASK, (tmp_ctl >> 8)); /* * Set the pll divider (6 bit field) * * PLLD[5:0] is located in MAINPLLCTL0 */ - clrsetbits_le32(pll_regs[data->pll].reg0, PLL_DIV_MASK, plld); + clrsetbits_le32(keystone_pll_regs[data->pll].reg0, + PLL_DIV_MASK, plld); /* Set the OUTPUT DIVIDE (4 bit field) in SECCTL */ pllctl_reg_rmw(data->pll, secctl, PLL_CLKOD_SMASK, @@ -206,17 +106,18 @@ void init_pll(const struct pll_init_data *data) tmp = pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLEN); +#ifndef CONFIG_SOC_K2E } else if (data->pll == TETRIS_PLL) { bwadj = pllm >> 1; /* 1.5 Set PLLCTL0[BYPASS] =1 (enable bypass), */ - setbits_le32(pll_regs[data->pll].reg0, PLLCTL_BYPASS); + setbits_le32(keystone_pll_regs[data->pll].reg0, PLLCTL_BYPASS); /* * Set CHIPMISCCTL1[13] = 0 (enable glitchfree bypass) * only applicable for Kepler */ - clrbits_le32(K2HK_MISC_CTRL, ARM_PLL_EN); + clrbits_le32(KS2_MISC_CTRL, KS2_ARM_PLL_EN); /* 2 In PLLCTL1, write PLLRST = 1 (PLL is reset) */ - setbits_le32(pll_regs[data->pll].reg1 , + setbits_le32(keystone_pll_regs[data->pll].reg1 , PLL_PLLRST | PLLCTL_ENSAT); /* @@ -229,13 +130,13 @@ void init_pll(const struct pll_init_data *data) (pllm << 6) | (plld & PLL_DIV_MASK) | (pllod << PLL_CLKOD_SHIFT) | PLLCTL_BYPASS; - __raw_writel(tmp, pll_regs[data->pll].reg0); + __raw_writel(tmp, keystone_pll_regs[data->pll].reg0); /* Set BWADJ[11:8] bits */ - tmp = __raw_readl(pll_regs[data->pll].reg1); + tmp = __raw_readl(keystone_pll_regs[data->pll].reg1); tmp &= ~(PLL_BWADJ_HI_MASK); tmp |= ((bwadj>>8) & PLL_BWADJ_HI_MASK); - __raw_writel(tmp, pll_regs[data->pll].reg1); + __raw_writel(tmp, keystone_pll_regs[data->pll].reg1); /* * 5 Wait for at least 5 us based on the reference * clock (PLL reset time) @@ -243,26 +144,27 @@ void init_pll(const struct pll_init_data *data) sdelay(21000); /* Wait for a minimum of 7 us*/ /* 6 In PLLCTL1, write PLLRST = 0 (PLL reset is released) */ - clrbits_le32(pll_regs[data->pll].reg1, PLL_PLLRST); + clrbits_le32(keystone_pll_regs[data->pll].reg1, PLL_PLLRST); /* * 7 Wait for at least 500 * REFCLK cycles * (PLLD + 1) * (PLL lock time) */ sdelay(105000); /* 8 disable bypass */ - clrbits_le32(pll_regs[data->pll].reg0, PLLCTL_BYPASS); + clrbits_le32(keystone_pll_regs[data->pll].reg0, PLLCTL_BYPASS); /* * 9 Set CHIPMISCCTL1[13] = 1 (disable glitchfree bypass) * only applicable for Kepler */ - setbits_le32(K2HK_MISC_CTRL, ARM_PLL_EN); + setbits_le32(KS2_MISC_CTRL, KS2_ARM_PLL_EN); +#endif } else { - setbits_le32(pll_regs[data->pll].reg1, PLLCTL_ENSAT); + setbits_le32(keystone_pll_regs[data->pll].reg1, PLLCTL_ENSAT); /* * process keeps state of Bypass bit while programming * all other DDR PLL settings */ - tmp = __raw_readl(pll_regs[data->pll].reg0); + tmp = __raw_readl(keystone_pll_regs[data->pll].reg0); tmp &= PLLCTL_BYPASS; /* clear everything except Bypass */ /* @@ -274,10 +176,10 @@ void init_pll(const struct pll_init_data *data) (pllm << PLL_MULT_SHIFT) | (plld & PLL_DIV_MASK) | (pllod << PLL_CLKOD_SHIFT); - __raw_writel(tmp, pll_regs[data->pll].reg0); + __raw_writel(tmp, keystone_pll_regs[data->pll].reg0); /* Set BWADJ[11:8] bits */ - tmp = __raw_readl(pll_regs[data->pll].reg1); + tmp = __raw_readl(keystone_pll_regs[data->pll].reg1); tmp &= ~(PLL_BWADJ_HI_MASK); tmp |= ((bwadj >> 8) & PLL_BWADJ_HI_MASK); @@ -285,20 +187,20 @@ void init_pll(const struct pll_init_data *data) if (data->pll == PASS_PLL) tmp |= PLLCTL_PAPLL; - __raw_writel(tmp, pll_regs[data->pll].reg1); + __raw_writel(tmp, keystone_pll_regs[data->pll].reg1); /* Reset bit: bit 14 for both DDR3 & PASS PLL */ tmp = PLL_PLLRST; /* Set RESET bit = 1 */ - setbits_le32(pll_regs[data->pll].reg1, tmp); + setbits_le32(keystone_pll_regs[data->pll].reg1, tmp); /* Wait for a minimum of 7 us*/ sdelay(21000); /* Clear RESET bit */ - clrbits_le32(pll_regs[data->pll].reg1, tmp); + clrbits_le32(keystone_pll_regs[data->pll].reg1, tmp); sdelay(105000); /* clear BYPASS (Enable PLL Mode) */ - clrbits_le32(pll_regs[data->pll].reg0, PLLCTL_BYPASS); + clrbits_le32(keystone_pll_regs[data->pll].reg0, PLLCTL_BYPASS); sdelay(21000); /* Wait for a minimum of 7 us*/ } diff --git a/arch/arm/cpu/armv7/keystone/cmd_clock.c b/arch/arm/cpu/armv7/keystone/cmd_clock.c index afd30f3853..d97c95be11 100644 --- a/arch/arm/cpu/armv7/keystone/cmd_clock.c +++ b/arch/arm/cpu/armv7/keystone/cmd_clock.c @@ -14,10 +14,10 @@ #include <asm/arch/psc_defs.h> struct pll_init_data cmd_pll_data = { - .pll = MAIN_PLL, - .pll_m = 16, - .pll_d = 1, - .pll_od = 2, + .pll = MAIN_PLL, + .pll_m = 16, + .pll_d = 1, + .pll_od = 2, }; int do_pll_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) @@ -27,12 +27,19 @@ int do_pll_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (strncmp(argv[1], "pa", 2) == 0) cmd_pll_data.pll = PASS_PLL; +#ifndef CONFIG_SOC_K2E else if (strncmp(argv[1], "arm", 3) == 0) cmd_pll_data.pll = TETRIS_PLL; +#endif +#ifdef CONFIG_SOC_K2HK else if (strncmp(argv[1], "ddr3a", 5) == 0) cmd_pll_data.pll = DDR3A_PLL; else if (strncmp(argv[1], "ddr3b", 5) == 0) cmd_pll_data.pll = DDR3B_PLL; +#else + else if (strncmp(argv[1], "ddr3", 4) == 0) + cmd_pll_data.pll = DDR3_PLL; +#endif else goto pll_cmd_usage; @@ -51,11 +58,20 @@ pll_cmd_usage: return cmd_usage(cmdtp); } +#ifdef CONFIG_SOC_K2HK U_BOOT_CMD( pllset, 5, 0, do_pll_cmd, "set pll multiplier and pre divider", "<pa|arm|ddr3a|ddr3b> <mult> <div> <OD>\n" ); +#endif +#ifdef CONFIG_SOC_K2E +U_BOOT_CMD( + pllset, 5, 0, do_pll_cmd, + "set pll multiplier and pre divider", + "<pa|ddr3> <mult> <div> <OD>\n" +); +#endif int do_getclk_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -79,7 +95,12 @@ U_BOOT_CMD( getclk, 2, 0, do_getclk_cmd, "get clock rate", "<clk index>\n" - "See the 'enum clk_e' in the k2hk clock.h for clk indexes\n" +#ifdef CONFIG_SOC_K2HK + "See the 'enum clk_e' in the clock-k2hk.h for clk indexes\n" +#endif +#ifdef CONFIG_SOC_K2E + "See the 'enum clk_e' in the clock-k2e.h for clk indexes\n" +#endif ); int do_psc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) diff --git a/arch/arm/cpu/armv7/keystone/ddr3.c b/arch/arm/cpu/armv7/keystone/ddr3.c index 4875db76a3..2391e794e8 100644 --- a/arch/arm/cpu/armv7/keystone/ddr3.c +++ b/arch/arm/cpu/armv7/keystone/ddr3.c @@ -7,10 +7,11 @@ * SPDX-License-Identifier: GPL-2.0+ */ -#include <asm/arch/hardware.h> #include <asm/io.h> +#include <common.h> +#include <asm/arch/ddr3.h> -void init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg) +void ddr3_init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg) { unsigned int tmp; @@ -57,7 +58,7 @@ void init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg) ; } -void init_ddremif(u32 base, struct ddr3_emif_config *emif_cfg) +void ddr3_init_ddremif(u32 base, struct ddr3_emif_config *emif_cfg) { __raw_writel(emif_cfg->sdcfg, base + KS2_DDR3_SDCFG_OFFSET); __raw_writel(emif_cfg->sdtim1, base + KS2_DDR3_SDTIM1_OFFSET); @@ -67,3 +68,21 @@ void init_ddremif(u32 base, struct ddr3_emif_config *emif_cfg) __raw_writel(emif_cfg->zqcfg, base + KS2_DDR3_ZQCFG_OFFSET); __raw_writel(emif_cfg->sdrfc, base + KS2_DDR3_SDRFC_OFFSET); } + +void ddr3_reset_ddrphy(void) +{ + u32 tmp; + + /* Assert DDR3A PHY reset */ + tmp = readl(KS2_DDR3APLLCTL1); + tmp |= KS2_DDR3_PLLCTRL_PHY_RESET; + writel(tmp, KS2_DDR3APLLCTL1); + + /* wait 10us to catch the reset */ + udelay(10); + + /* Release DDR3A PHY reset */ + tmp = readl(KS2_DDR3APLLCTL1); + tmp &= ~KS2_DDR3_PLLCTRL_PHY_RESET; + __raw_writel(tmp, KS2_DDR3APLLCTL1); +} diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c index 4df5ae1cae..a8f8aee8ab 100644 --- a/arch/arm/cpu/armv7/keystone/init.c +++ b/arch/arm/cpu/armv7/keystone/init.c @@ -10,13 +10,14 @@ #include <common.h> #include <ns16550.h> #include <asm/io.h> +#include <asm/arch/msmc.h> #include <asm/arch/clock.h> #include <asm/arch/hardware.h> void chip_configuration_unlock(void) { - __raw_writel(KEYSTONE_KICK0_MAGIC, KEYSTONE_KICK0); - __raw_writel(KEYSTONE_KICK1_MAGIC, KEYSTONE_KICK1); + __raw_writel(KS2_KICK0_MAGIC, KS2_KICK0); + __raw_writel(KS2_KICK1_MAGIC, KS2_KICK1); } int arch_cpu_init(void) @@ -24,11 +25,12 @@ int arch_cpu_init(void) chip_configuration_unlock(); icache_enable(); -#ifdef CONFIG_SOC_K2HK - share_all_segments(8); - share_all_segments(9); - share_all_segments(10); /* QM PDSP */ - share_all_segments(11); /* PCIE */ + msmc_share_all_segments(8); /* TETRIS */ + msmc_share_all_segments(9); /* NETCP */ + msmc_share_all_segments(10); /* QM PDSP */ + msmc_share_all_segments(11); /* PCIE 0 */ +#ifdef CONFIG_SOC_K2E + msmc_share_all_segments(13); /* PCIE 1 */ #endif /* diff --git a/arch/arm/cpu/armv7/keystone/keystone.c b/arch/arm/cpu/armv7/keystone/keystone.c new file mode 100644 index 0000000000..11a9357db4 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/keystone.c @@ -0,0 +1,87 @@ +/* + * Keystone EVM : Board initialization + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/mon.h> +#include <asm/arch/psc_defs.h> +#include <asm/arch/hardware.h> +#include <asm/arch/hardware.h> + +/** + * cpu_to_bus - swap bytes of the 32-bit data if the device is BE + * @ptr - array of data + * @length - lenght of data array + */ +int cpu_to_bus(u32 *ptr, u32 length) +{ + u32 i; + + if (!(readl(KS2_DEVSTAT) & 0x1)) + for (i = 0; i < length; i++, ptr++) + *ptr = cpu_to_be32(*ptr); + + return 0; +} + +static int turn_off_myself(void) +{ + printf("Turning off ourselves\r\n"); + mon_power_off(0); + + psc_disable_module(KS2_LPSC_TETRIS); + psc_disable_domain(KS2_TETRIS_PWR_DOMAIN); + + asm volatile ("isb\n" + "dsb\n" + "wfi\n"); + + printf("What! Should not see that\n"); + return 0; +} + +static void turn_off_all_dsps(int num_dsps) +{ + int i; + + for (i = 0; i < num_dsps; i++) { + if (psc_disable_module(i + KS2_LPSC_GEM_0)) + printf("Cannot disable module for #%d DSP", i); + + if (psc_disable_domain(i + 8)) + printf("Cannot disable domain for #%d DSP", i); + } +} + +int do_killme_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + return turn_off_myself(); +} + +U_BOOT_CMD( + killme, 1, 0, do_killme_cmd, + "turn off main ARM core", + "turn off main ARM core. Should not live after that :(\n" +); + +int misc_init_r(void) +{ + char *env; + long ks2_debug = 0; + + env = getenv("ks2_debug"); + + if (env) + ks2_debug = simple_strtol(env, NULL, 0); + + if ((ks2_debug & DBG_LEAVE_DSPS_ON) == 0) + turn_off_all_dsps(KS2_NUM_DSPS); + + return 0; +} diff --git a/arch/arm/cpu/armv7/keystone/msmc.c b/arch/arm/cpu/armv7/keystone/msmc.c index f3f1621d20..7d8e5978df 100644 --- a/arch/arm/cpu/armv7/keystone/msmc.c +++ b/arch/arm/cpu/armv7/keystone/msmc.c @@ -8,7 +8,7 @@ */ #include <common.h> -#include <asm/arch/hardware.h> +#include <asm/arch/msmc.h> struct mpax { u32 mpaxl; @@ -56,9 +56,9 @@ struct msms_regs { }; -void share_all_segments(int priv_id) +void msmc_share_all_segments(int priv_id) { - struct msms_regs *msmc = (struct msms_regs *)K2HK_MSMC_CTRL_BASE; + struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE; int j; for (j = 0; j < 8; j++) { diff --git a/arch/arm/cpu/armv7/keystone/psc.c b/arch/arm/cpu/armv7/keystone/psc.c index c844dc84d5..fa5422f2e8 100644 --- a/arch/arm/cpu/armv7/keystone/psc.c +++ b/arch/arm/cpu/armv7/keystone/psc.c @@ -16,10 +16,6 @@ #define DEVICE_REG32_R(addr) __raw_readl((u32 *)(addr)) #define DEVICE_REG32_W(addr, val) __raw_writel(val, (u32 *)(addr)) -#ifdef CONFIG_SOC_K2HK -#define DEVICE_PSC_BASE K2HK_PSC_BASE -#endif - int psc_delay(void) { udelay(10); @@ -55,7 +51,7 @@ int psc_wait(u32 domain_num) retry = 0; do { - ptstat = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_PSTAT); + ptstat = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_PSTAT); ptstat = ptstat & (1 << domain_num); } while ((ptstat != 0) && ((retry += psc_delay()) < PSC_PTSTAT_TIMEOUT_LIMIT)); @@ -71,7 +67,7 @@ u32 psc_get_domain_num(u32 mod_num) u32 domain_num; /* Get the power domain associated with the module number */ - domain_num = DEVICE_REG32_R(DEVICE_PSC_BASE + + domain_num = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_MDCFG(mod_num)); domain_num = PSC_REG_MDCFG_GET_PD(domain_num); @@ -106,7 +102,7 @@ int psc_set_state(u32 mod_num, u32 state) * Get the power domain associated with the module number, and reset * isolation functionality */ - v = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_MDCFG(mod_num)); + v = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_MDCFG(mod_num)); domain_num = PSC_REG_MDCFG_GET_PD(v); reset_iso = PSC_REG_MDCFG_GET_RESET_ISO(v); @@ -123,24 +119,24 @@ int psc_set_state(u32 mod_num, u32 state) * change is made if the new state is power down. */ if (state == PSC_REG_VAL_MDCTL_NEXT_ON) { - pdctl = DEVICE_REG32_R(DEVICE_PSC_BASE + + pdctl = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_PDCTL(domain_num)); pdctl = PSC_REG_PDCTL_SET_NEXT(pdctl, PSC_REG_VAL_PDCTL_NEXT_ON); - DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_PDCTL(domain_num), + DEVICE_REG32_W(KS2_PSC_BASE + PSC_REG_PDCTL(domain_num), pdctl); } /* Set the next state for the module to enabled/disabled */ - mdctl = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num)); + mdctl = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); mdctl = PSC_REG_MDCTL_SET_NEXT(mdctl, state); mdctl = PSC_REG_MDCTL_SET_RESET_ISO(mdctl, reset_iso); - DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num), mdctl); + DEVICE_REG32_W(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num), mdctl); /* Trigger the enable */ - ptcmd = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_PTCMD); + ptcmd = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_PTCMD); ptcmd |= (u32)(1<<domain_num); - DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_PTCMD, ptcmd); + DEVICE_REG32_W(KS2_PSC_BASE + PSC_REG_PTCMD, ptcmd); /* Wait on the complete */ return psc_wait(domain_num); @@ -161,7 +157,7 @@ int psc_enable_module(u32 mod_num) u32 mdctl; /* Set the bit to apply reset */ - mdctl = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num)); + mdctl = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); if ((mdctl & 0x3f) == PSC_REG_VAL_MDSTAT_STATE_ON) return 0; @@ -180,11 +176,11 @@ int psc_disable_module(u32 mod_num) u32 mdctl; /* Set the bit to apply reset */ - mdctl = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num)); + mdctl = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); if ((mdctl & 0x3f) == 0) return 0; mdctl = PSC_REG_MDCTL_SET_LRSTZ(mdctl, 0); - DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num), mdctl); + DEVICE_REG32_W(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num), mdctl); return psc_set_state(mod_num, PSC_REG_VAL_MDCTL_NEXT_SWRSTDISABLE); } @@ -203,11 +199,11 @@ int psc_set_reset_iso(u32 mod_num) u32 mdctl; /* Set the reset isolation bit */ - mdctl = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num)); + mdctl = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); mdctl = PSC_REG_MDCTL_SET_RESET_ISO(mdctl, 1); - DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num), mdctl); + DEVICE_REG32_W(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num), mdctl); - v = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_MDCFG(mod_num)); + v = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_MDCFG(mod_num)); if (PSC_REG_MDCFG_GET_RESET_ISO(v) == 1) return 0; @@ -224,14 +220,14 @@ int psc_disable_domain(u32 domain_num) u32 pdctl; u32 ptcmd; - pdctl = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_PDCTL(domain_num)); + pdctl = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_PDCTL(domain_num)); pdctl = PSC_REG_PDCTL_SET_NEXT(pdctl, PSC_REG_VAL_PDCTL_NEXT_OFF); pdctl = PSC_REG_PDCTL_SET_PDMODE(pdctl, PSC_REG_VAL_PDCTL_PDMODE_SLEEP); - DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_PDCTL(domain_num), pdctl); + DEVICE_REG32_W(KS2_PSC_BASE + PSC_REG_PDCTL(domain_num), pdctl); - ptcmd = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_PTCMD); + ptcmd = DEVICE_REG32_R(KS2_PSC_BASE + PSC_REG_PTCMD); ptcmd |= (u32)(1 << domain_num); - DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_PTCMD, ptcmd); + DEVICE_REG32_W(KS2_PSC_BASE + PSC_REG_PTCMD, ptcmd); return psc_wait(domain_num); } diff --git a/arch/arm/cpu/armv7/keystone/spl.c b/arch/arm/cpu/armv7/keystone/spl.c index e07b64db9e..d4b0e9b163 100644 --- a/arch/arm/cpu/armv7/keystone/spl.c +++ b/arch/arm/cpu/armv7/keystone/spl.c @@ -18,10 +18,18 @@ DECLARE_GLOBAL_DATA_PTR; +#ifdef CONFIG_K2HK_EVM static struct pll_init_data spl_pll_config[] = { CORE_PLL_799, TETRIS_PLL_500, }; +#endif + +#ifdef CONFIG_K2E_EVM +static struct pll_init_data spl_pll_config[] = { + CORE_PLL_800, +}; +#endif void spl_init_keystone_plls(void) { |