diff options
Diffstat (limited to 'arch/arm/mach-keystone')
29 files changed, 3468 insertions, 0 deletions
diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig new file mode 100644 index 0000000..134ae87 --- /dev/null +++ b/arch/arm/mach-keystone/Kconfig @@ -0,0 +1,22 @@ +if ARCH_KEYSTONE + +choice + prompt "TI Keystone board select" + +config TARGET_K2HK_EVM + bool "TI Keystone 2 Kepler/Hawking EVM" + +config TARGET_K2E_EVM + bool "TI Keystone 2 Edison EVM" + +config TARGET_K2L_EVM + bool "TI Keystone 2 Lamar EVM" + +endchoice + +config SYS_SOC + default "keystone" + +source "board/ti/ks2_evm/Kconfig" + +endif diff --git a/arch/arm/mach-keystone/Makefile b/arch/arm/mach-keystone/Makefile new file mode 100644 index 0000000..ed030db --- /dev/null +++ b/arch/arm/mach-keystone/Makefile @@ -0,0 +1,18 @@ +# +# (C) Copyright 2012-2014 +# Texas Instruments Incorporated, <www.ti.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +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-$(CONFIG_SOC_K2L) += clock-k2l.o +obj-y += cmd_clock.o +obj-y += cmd_mon.o +obj-y += msmc.o +obj-y += ddr3.o cmd_ddr3.o +obj-y += keystone.o diff --git a/arch/arm/mach-keystone/clock-k2e.c b/arch/arm/mach-keystone/clock-k2e.c new file mode 100644 index 0000000..31f6661 --- /dev/null +++ b/arch/arm/mach-keystone/clock-k2e.c @@ -0,0 +1,117 @@ +/* + * 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}, +}; + +int dev_speeds[] = { + SPD800, + SPD850, + SPD1000, + SPD1250, + SPD1350, + SPD1400, + SPD1500, + SPD1400, + SPD1350, + SPD1250, + SPD1000, + SPD850, + SPD800 +}; + +/** + * 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/mach-keystone/clock-k2hk.c b/arch/arm/mach-keystone/clock-k2hk.c new file mode 100644 index 0000000..1591960 --- /dev/null +++ b/arch/arm/mach-keystone/clock-k2hk.c @@ -0,0 +1,145 @@ +/* + * 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}, +}; + +int dev_speeds[] = { + SPD800, + SPD1000, + SPD1200, + SPD800, + SPD800, + SPD800, + SPD800, + SPD800, + SPD1200, + SPD1000, + SPD800, + SPD800, + SPD800, +}; + +int arm_speeds[] = { + SPD800, + SPD1000, + SPD1200, + SPD1350, + SPD1400, + SPD800, + SPD1400, + SPD1350, + SPD1200, + SPD1000, + SPD800, + SPD800, + SPD800, +}; + +/** + * 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/mach-keystone/clock-k2l.c b/arch/arm/mach-keystone/clock-k2l.c new file mode 100644 index 0000000..1c5e4d5 --- /dev/null +++ b/arch/arm/mach-keystone/clock-k2l.c @@ -0,0 +1,138 @@ +/* + * Keystone2: get clk rate for K2L + * + * (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}, + [DDR3_PLL] = {KS2_DDR3APLLCTL0, KS2_DDR3APLLCTL1}, +}; + +int dev_speeds[] = { + SPD800, + SPD1000, + SPD1200, + SPD800, + SPD800, + SPD800, + SPD800, + SPD800, + SPD1200, + SPD1000, + SPD800, + SPD800, + SPD800, +}; + +int arm_speeds[] = { + SPD800, + SPD1000, + SPD1200, + SPD1350, + SPD1400, + SPD800, + SPD1400, + SPD1350, + SPD1200, + SPD1000, + SPD800, + SPD800, + SPD800, +}; + +/** + * 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 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 tetris_pll_clk: return pll_freq_get(TETRIS_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/mach-keystone/clock.c b/arch/arm/mach-keystone/clock.c new file mode 100644 index 0000000..d13fbc1 --- /dev/null +++ b/arch/arm/mach-keystone/clock.c @@ -0,0 +1,272 @@ +/* + * Keystone2: pll initialization + * + * (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> + +#define MAX_SPEEDS 13 + +static void wait_for_completion(const struct pll_init_data *data) +{ + int i; + for (i = 0; i < 100; i++) { + sdelay(450); + if ((pllctl_reg_read(data->pll, stat) & PLLSTAT_GO) == 0) + break; + } +} + +void init_pll(const struct pll_init_data *data) +{ + u32 tmp, tmp_ctl, pllm, plld, pllod, bwadj; + + pllm = data->pll_m - 1; + plld = (data->pll_d - 1) & PLL_DIV_MASK; + pllod = (data->pll_od - 1) & PLL_CLKOD_MASK; + + if (data->pll == MAIN_PLL) { + /* The requered delay before main PLL configuration */ + sdelay(210000); + + tmp = pllctl_reg_read(data->pll, secctl); + + if (tmp & (PLLCTL_BYPASS)) { + setbits_le32(keystone_pll_regs[data->pll].reg1, + BIT(MAIN_ENSAT_OFFSET)); + + pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN | + PLLCTL_PLLENSRC); + sdelay(340); + + pllctl_reg_setbits(data->pll, secctl, PLLCTL_BYPASS); + pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLPWRDN); + sdelay(21000); + + pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLPWRDN); + } else { + pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN | + PLLCTL_PLLENSRC); + sdelay(340); + } + + pllctl_reg_write(data->pll, mult, pllm & PLLM_MULT_LO_MASK); + + 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(keystone_pll_regs[data->pll].reg0, + PLL_BWADJ_LO_SMASK, + (tmp_ctl << PLL_BWADJ_LO_SHIFT)); + 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(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, + (pllod << PLL_CLKOD_SHIFT)); + wait_for_completion(data); + + pllctl_reg_write(data->pll, div1, PLLM_RATIO_DIV1); + pllctl_reg_write(data->pll, div2, PLLM_RATIO_DIV2); + pllctl_reg_write(data->pll, div3, PLLM_RATIO_DIV3); + pllctl_reg_write(data->pll, div4, PLLM_RATIO_DIV4); + pllctl_reg_write(data->pll, div5, PLLM_RATIO_DIV5); + + pllctl_reg_setbits(data->pll, alnctl, 0x1f); + + /* + * Set GOSET bit in PLLCMD to initiate the GO operation + * to change the divide + */ + pllctl_reg_setbits(data->pll, cmd, PLLSTAT_GO); + sdelay(1500); /* wait for the phase adj */ + wait_for_completion(data); + + /* Reset PLL */ + pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLRST); + sdelay(21000); /* Wait for a minimum of 7 us*/ + pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLRST); + sdelay(105000); /* Wait for PLL Lock time (min 50 us) */ + + pllctl_reg_clrbits(data->pll, secctl, PLLCTL_BYPASS); + + 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(keystone_pll_regs[data->pll].reg0, PLLCTL_BYPASS); + /* + * Set CHIPMISCCTL1[13] = 0 (enable glitchfree bypass) + * only applicable for Kepler + */ + clrbits_le32(KS2_MISC_CTRL, KS2_ARM_PLL_EN); + /* 2 In PLLCTL1, write PLLRST = 1 (PLL is reset) */ + setbits_le32(keystone_pll_regs[data->pll].reg1 , + PLL_PLLRST | PLLCTL_ENSAT); + + /* + * 3 Program PLLM and PLLD in PLLCTL0 register + * 4 Program BWADJ[7:0] in PLLCTL0 and BWADJ[11:8] in + * PLLCTL1 register. BWADJ value must be set + * to ((PLLM + 1) >> 1) – 1) + */ + tmp = ((bwadj & PLL_BWADJ_LO_MASK) << PLL_BWADJ_LO_SHIFT) | + (pllm << 6) | + (plld & PLL_DIV_MASK) | + (pllod << PLL_CLKOD_SHIFT) | PLLCTL_BYPASS; + __raw_writel(tmp, keystone_pll_regs[data->pll].reg0); + + /* Set BWADJ[11:8] bits */ + tmp = __raw_readl(keystone_pll_regs[data->pll].reg1); + tmp &= ~(PLL_BWADJ_HI_MASK); + tmp |= ((bwadj>>8) & PLL_BWADJ_HI_MASK); + __raw_writel(tmp, keystone_pll_regs[data->pll].reg1); + /* + * 5 Wait for at least 5 us based on the reference + * clock (PLL reset time) + */ + sdelay(21000); /* Wait for a minimum of 7 us*/ + + /* 6 In PLLCTL1, write PLLRST = 0 (PLL reset is released) */ + 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(keystone_pll_regs[data->pll].reg0, PLLCTL_BYPASS); + /* + * 9 Set CHIPMISCCTL1[13] = 1 (disable glitchfree bypass) + * only applicable for Kepler + */ + setbits_le32(KS2_MISC_CTRL, KS2_ARM_PLL_EN); +#endif + } else { + 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(keystone_pll_regs[data->pll].reg0); + tmp &= PLLCTL_BYPASS; /* clear everything except Bypass */ + + /* + * Set the BWADJ[7:0], PLLD[5:0] and PLLM to PLLCTL0, + * bypass disabled + */ + bwadj = pllm >> 1; + tmp |= ((bwadj & PLL_BWADJ_LO_MASK) << PLL_BWADJ_LO_SHIFT) | + (pllm << PLL_MULT_SHIFT) | + (plld & PLL_DIV_MASK) | + (pllod << PLL_CLKOD_SHIFT); + __raw_writel(tmp, keystone_pll_regs[data->pll].reg0); + + /* Set BWADJ[11:8] bits */ + tmp = __raw_readl(keystone_pll_regs[data->pll].reg1); + tmp &= ~(PLL_BWADJ_HI_MASK); + tmp |= ((bwadj >> 8) & PLL_BWADJ_HI_MASK); + + __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(keystone_pll_regs[data->pll].reg1, tmp); + /* Wait for a minimum of 7 us*/ + sdelay(21000); + /* Clear RESET bit */ + clrbits_le32(keystone_pll_regs[data->pll].reg1, tmp); + sdelay(105000); + + /* clear BYPASS (Enable PLL Mode) */ + clrbits_le32(keystone_pll_regs[data->pll].reg0, PLLCTL_BYPASS); + sdelay(21000); /* Wait for a minimum of 7 us*/ + } + + /* + * This is required to provide a delay between multiple + * consequent PPL configurations + */ + sdelay(210000); +} + +void init_plls(int num_pll, struct pll_init_data *config) +{ + int i; + + for (i = 0; i < num_pll; i++) + init_pll(&config[i]); +} + +static int get_max_speed(u32 val, int *speeds) +{ + int j; + + if (!val) + return speeds[0]; + + for (j = 1; j < MAX_SPEEDS; j++) { + if (val == 1) + return speeds[j]; + val >>= 1; + } + + return SPD800; +} + +#ifdef CONFIG_SOC_K2HK +static u32 read_efuse_bootrom(void) +{ + return (cpu_revision() > 1) ? __raw_readl(KS2_EFUSE_BOOTROM) : + __raw_readl(KS2_REV1_DEVSPEED); +} +#else +static inline u32 read_efuse_bootrom(void) +{ + return __raw_readl(KS2_EFUSE_BOOTROM); +} +#endif + +inline int get_max_dev_speed(void) +{ + return get_max_speed(read_efuse_bootrom() & 0xffff, dev_speeds); +} + +#ifndef CONFIG_SOC_K2E +inline int get_max_arm_speed(void) +{ + return get_max_speed((read_efuse_bootrom() >> 16) & 0xffff, arm_speeds); +} +#endif + +void pass_pll_pa_clk_enable(void) +{ + u32 reg; + + reg = readl(keystone_pll_regs[PASS_PLL].reg1); + + reg |= PLLCTL_PAPLL; + writel(reg, keystone_pll_regs[PASS_PLL].reg1); + + /* wait till clock is enabled */ + sdelay(15000); +} diff --git a/arch/arm/mach-keystone/cmd_clock.c b/arch/arm/mach-keystone/cmd_clock.c new file mode 100644 index 0000000..af1b701 --- /dev/null +++ b/arch/arm/mach-keystone/cmd_clock.c @@ -0,0 +1,135 @@ +/* + * keystone2: commands for clocks + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <asm/arch/hardware.h> +#include <asm/arch/clock.h> +#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, +}; + +int do_pll_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + if (argc != 5) + goto pll_cmd_usage; + + 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; + + cmd_pll_data.pll_m = simple_strtoul(argv[2], NULL, 10); + cmd_pll_data.pll_d = simple_strtoul(argv[3], NULL, 10); + cmd_pll_data.pll_od = simple_strtoul(argv[4], NULL, 10); + + printf("Trying to set pll %d; mult %d; div %d; OD %d\n", + cmd_pll_data.pll, cmd_pll_data.pll_m, + cmd_pll_data.pll_d, cmd_pll_data.pll_od); + init_pll(&cmd_pll_data); + + return 0; + +pll_cmd_usage: + return cmd_usage(cmdtp); +} + +U_BOOT_CMD( + pllset, 5, 0, do_pll_cmd, + "set pll multiplier and pre divider", + PLLSET_CMD_LIST " <mult> <div> <OD>\n" +); + +int do_getclk_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + unsigned int clk; + unsigned int freq; + + if (argc != 2) + goto getclk_cmd_usage; + + clk = simple_strtoul(argv[1], NULL, 10); + + freq = clk_get_rate(clk); + printf("clock index [%d] - frequency %u\n", clk, freq); + return 0; + +getclk_cmd_usage: + return cmd_usage(cmdtp); +} + +U_BOOT_CMD( + getclk, 2, 0, do_getclk_cmd, + "get clock rate", + "<clk index>\n" + "The indexes for clocks:\n" + CLOCK_INDEXES_LIST +); + +int do_psc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int psc_module; + int res; + + if (argc != 3) + goto psc_cmd_usage; + + psc_module = simple_strtoul(argv[1], NULL, 10); + if (strcmp(argv[2], "en") == 0) { + res = psc_enable_module(psc_module); + printf("psc_enable_module(%d) - %s\n", psc_module, + (res) ? "ERROR" : "OK"); + return 0; + } + + if (strcmp(argv[2], "di") == 0) { + res = psc_disable_module(psc_module); + printf("psc_disable_module(%d) - %s\n", psc_module, + (res) ? "ERROR" : "OK"); + return 0; + } + + if (strcmp(argv[2], "domain") == 0) { + res = psc_disable_domain(psc_module); + printf("psc_disable_domain(%d) - %s\n", psc_module, + (res) ? "ERROR" : "OK"); + return 0; + } + +psc_cmd_usage: + return cmd_usage(cmdtp); +} + +U_BOOT_CMD( + psc, 3, 0, do_psc_cmd, + "<enable/disable psc module os disable domain>", + "<mod/domain index> <en|di|domain>\n" + "Intended to control Power and Sleep Controller (PSC) domains and\n" + "modules. The module or domain index exectly corresponds to ones\n" + "listed in official TRM. For instance, to enable MSMC RAM clock\n" + "domain use command: psc 14 en.\n" +); diff --git a/arch/arm/mach-keystone/cmd_ddr3.c b/arch/arm/mach-keystone/cmd_ddr3.c new file mode 100644 index 0000000..ea78ad8 --- /dev/null +++ b/arch/arm/mach-keystone/cmd_ddr3.c @@ -0,0 +1,248 @@ +/* + * Keystone2: DDR3 test commands + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/hardware.h> +#include <asm/arch/ddr3.h> +#include <common.h> +#include <command.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define DDR_MIN_ADDR CONFIG_SYS_SDRAM_BASE + +#define DDR_REMAP_ADDR 0x80000000 +#define ECC_START_ADDR1 ((DDR_MIN_ADDR - DDR_REMAP_ADDR) >> 17) + +#define ECC_END_ADDR1 (((gd->start_addr_sp - DDR_REMAP_ADDR - \ + CONFIG_STACKSIZE) >> 17) - 2) + +#define DDR_TEST_BURST_SIZE 1024 + +static int ddr_memory_test(u32 start_address, u32 end_address, int quick) +{ + u32 index_start, value, index; + + index_start = start_address; + + while (1) { + /* Write a pattern */ + for (index = index_start; + index < index_start + DDR_TEST_BURST_SIZE; + index += 4) + __raw_writel(index, index); + + /* Read and check the pattern */ + for (index = index_start; + index < index_start + DDR_TEST_BURST_SIZE; + index += 4) { + value = __raw_readl(index); + if (value != index) { + printf("ddr_memory_test: Failed at address index = 0x%x value = 0x%x *(index) = 0x%x\n", + index, value, __raw_readl(index)); + + return -1; + } + } + + index_start += DDR_TEST_BURST_SIZE; + if (index_start >= end_address) + break; + + if (quick) + continue; + + /* Write a pattern for complementary values */ + for (index = index_start; + index < index_start + DDR_TEST_BURST_SIZE; + index += 4) + __raw_writel((u32)~index, index); + + /* Read and check the pattern */ + for (index = index_start; + index < index_start + DDR_TEST_BURST_SIZE; + index += 4) { + value = __raw_readl(index); + if (value != ~index) { + printf("ddr_memory_test: Failed at address index = 0x%x value = 0x%x *(index) = 0x%x\n", + index, value, __raw_readl(index)); + + return -1; + } + } + + index_start += DDR_TEST_BURST_SIZE; + if (index_start >= end_address) + break; + + /* Write a pattern */ + for (index = index_start; + index < index_start + DDR_TEST_BURST_SIZE; + index += 2) + __raw_writew((u16)index, index); + + /* Read and check the pattern */ + for (index = index_start; + index < index_start + DDR_TEST_BURST_SIZE; + index += 2) { + value = __raw_readw(index); + if (value != (u16)index) { + printf("ddr_memory_test: Failed at address index = 0x%x value = 0x%x *(index) = 0x%x\n", + index, value, __raw_readw(index)); + + return -1; + } + } + + index_start += DDR_TEST_BURST_SIZE; + if (index_start >= end_address) + break; + + /* Write a pattern */ + for (index = index_start; + index < index_start + DDR_TEST_BURST_SIZE; + index += 1) + __raw_writeb((u8)index, index); + + /* Read and check the pattern */ + for (index = index_start; + index < index_start + DDR_TEST_BURST_SIZE; + index += 1) { + value = __raw_readb(index); + if (value != (u8)index) { + printf("ddr_memory_test: Failed at address index = 0x%x value = 0x%x *(index) = 0x%x\n", + index, value, __raw_readb(index)); + + return -1; + } + } + + index_start += DDR_TEST_BURST_SIZE; + if (index_start >= end_address) + break; + } + + puts("ddr memory test PASSED!\n"); + return 0; +} + +static int ddr_memory_compare(u32 address1, u32 address2, u32 size) +{ + u32 index, value, index2, value2; + + for (index = address1, index2 = address2; + index < address1 + size; + index += 4, index2 += 4) { + value = __raw_readl(index); + value2 = __raw_readl(index2); + + if (value != value2) { + printf("ddr_memory_test: Compare failed at address = 0x%x value = 0x%x, address2 = 0x%x value2 = 0x%x\n", + index, value, index2, value2); + + return -1; + } + } + + puts("ddr memory compare PASSED!\n"); + return 0; +} + +static int ddr_memory_ecc_err(u32 base, u32 address, u32 ecc_err) +{ + u32 value1, value2, value3; + + puts("Disabling DDR ECC ...\n"); + ddr3_disable_ecc(base); + + value1 = __raw_readl(address); + value2 = value1 ^ ecc_err; + __raw_writel(value2, address); + + value3 = __raw_readl(address); + printf("ECC err test, addr 0x%x, read data 0x%x, wrote data 0x%x, err pattern: 0x%x, read after write data 0x%x\n", + address, value1, value2, ecc_err, value3); + + __raw_writel(ECC_START_ADDR1 | (ECC_END_ADDR1 << 16), + base + KS2_DDR3_ECC_ADDR_RANGE1_OFFSET); + + puts("Enabling DDR ECC ...\n"); + ddr3_enable_ecc(base, 1); + + value1 = __raw_readl(address); + printf("ECC err test, addr 0x%x, read data 0x%x\n", address, value1); + + ddr3_check_ecc_int(base); + return 0; +} + +static int do_ddr_test(cmd_tbl_t *cmdtp, + int flag, int argc, char * const argv[]) +{ + u32 start_addr, end_addr, size, ecc_err; + + if ((argc == 4) && (strncmp(argv[1], "ecc_err", 8) == 0)) { + if (!ddr3_ecc_support_rmw(KS2_DDR3A_EMIF_CTRL_BASE)) { + puts("ECC RMW isn't supported for this SOC\n"); + return 1; + } + + start_addr = simple_strtoul(argv[2], NULL, 16); + ecc_err = simple_strtoul(argv[3], NULL, 16); + + if ((start_addr < CONFIG_SYS_SDRAM_BASE) || + (start_addr > (CONFIG_SYS_SDRAM_BASE + + CONFIG_MAX_RAM_BANK_SIZE - 1))) { + puts("Invalid address!\n"); + return cmd_usage(cmdtp); + } + + ddr_memory_ecc_err(KS2_DDR3A_EMIF_CTRL_BASE, + start_addr, ecc_err); + return 0; + } + + if (!(((argc == 4) && (strncmp(argv[1], "test", 5) == 0)) || + ((argc == 5) && (strncmp(argv[1], "compare", 8) == 0)))) + return cmd_usage(cmdtp); + + start_addr = simple_strtoul(argv[2], NULL, 16); + end_addr = simple_strtoul(argv[3], NULL, 16); + + if ((start_addr < CONFIG_SYS_SDRAM_BASE) || + (start_addr > (CONFIG_SYS_SDRAM_BASE + + CONFIG_MAX_RAM_BANK_SIZE - 1)) || + (end_addr < CONFIG_SYS_SDRAM_BASE) || + (end_addr > (CONFIG_SYS_SDRAM_BASE + + CONFIG_MAX_RAM_BANK_SIZE - 1)) || (start_addr >= end_addr)) { + puts("Invalid start or end address!\n"); + return cmd_usage(cmdtp); + } + + puts("Please wait ...\n"); + if (argc == 5) { + size = simple_strtoul(argv[4], NULL, 16); + ddr_memory_compare(start_addr, end_addr, size); + } else { + ddr_memory_test(start_addr, end_addr, 0); + } + + return 0; +} + +U_BOOT_CMD(ddr, 5, 1, do_ddr_test, + "DDR3 test", + "test <start_addr in hex> <end_addr in hex> - test DDR from start\n" + " address to end address\n" + "ddr compare <start_addr in hex> <end_addr in hex> <size in hex> -\n" + " compare DDR data of (size) bytes from start address to end\n" + " address\n" + "ddr ecc_err <addr in hex> <bit_err in hex> - generate bit errors\n" + " in DDR data at <addr>, the command will read a 32-bit data\n" + " from <addr>, and write (data ^ bit_err) back to <addr>\n" +); diff --git a/arch/arm/mach-keystone/cmd_mon.c b/arch/arm/mach-keystone/cmd_mon.c new file mode 100644 index 0000000..f9f58a3 --- /dev/null +++ b/arch/arm/mach-keystone/cmd_mon.c @@ -0,0 +1,131 @@ +/* + * K2HK: secure kernel command file + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +asm(".arch_extension sec\n\t"); + +static int mon_install(u32 addr, u32 dpsc, u32 freq) +{ + int result; + + __asm__ __volatile__ ( + "stmfd r13!, {lr}\n" + "mov r0, %1\n" + "mov r1, %2\n" + "mov r2, %3\n" + "blx r0\n" + "ldmfd r13!, {lr}\n" + : "=&r" (result) + : "r" (addr), "r" (dpsc), "r" (freq) + : "cc", "r0", "r1", "r2", "memory"); + return result; +} + +static int do_mon_install(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + u32 addr, dpsc_base = 0x1E80000, freq; + int rcode = 0; + + if (argc < 2) + return CMD_RET_USAGE; + + freq = clk_get_rate(sys_clk0_6_clk); + + addr = simple_strtoul(argv[1], NULL, 16); + + rcode = mon_install(addr, dpsc_base, freq); + printf("## installed monitor, freq [%d], status %d\n", + freq, rcode); + + return 0; +} + +U_BOOT_CMD(mon_install, 2, 0, do_mon_install, + "Install boot kernel at 'addr'", + "" +); + +static void core_spin(void) +{ + while (1) + ; /* forever */; +} + +int mon_power_on(int core_id, void *ep) +{ + int result; + + asm volatile ( + "stmfd r13!, {lr}\n" + "mov r1, %1\n" + "mov r2, %2\n" + "mov r0, #0\n" + "smc #0\n" + "ldmfd r13!, {lr}\n" + : "=&r" (result) + : "r" (core_id), "r" (ep) + : "cc", "r0", "r1", "r2", "memory"); + return result; +} + +int mon_power_off(int core_id) +{ + int result; + + asm volatile ( + "stmfd r13!, {lr}\n" + "mov r1, %1\n" + "mov r0, #1\n" + "smc #1\n" + "ldmfd r13!, {lr}\n" + : "=&r" (result) + : "r" (core_id) + : "cc", "r0", "r1", "memory"); + return result; +} + +int do_mon_power(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + int rcode = 0, core_id, on; + void (*fn)(void); + + fn = core_spin; + + if (argc < 3) + return CMD_RET_USAGE; + + core_id = simple_strtoul(argv[1], NULL, 16); + on = simple_strtoul(argv[2], NULL, 16); + + if (on) + rcode = mon_power_on(core_id, fn); + else + rcode = mon_power_off(core_id); + + if (on) { + if (!rcode) + printf("core %d powered on successfully\n", core_id); + else + printf("core %d power on failure\n", core_id); + } else { + printf("core %d powered off successfully\n", core_id); + } + + return 0; +} + +U_BOOT_CMD(mon_power, 3, 0, do_mon_power, + "Power On/Off secondary core", + "mon_power <coreid> <oper>\n" + "- coreid (1-3) and oper (1 - ON, 0 - OFF)\n" + "" +); diff --git a/arch/arm/mach-keystone/ddr3.c b/arch/arm/mach-keystone/ddr3.c new file mode 100644 index 0000000..dfb27b5 --- /dev/null +++ b/arch/arm/mach-keystone/ddr3.c @@ -0,0 +1,404 @@ +/* + * Keystone2: DDR3 initialization + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/io.h> +#include <common.h> +#include <asm/arch/msmc.h> +#include <asm/arch/ddr3.h> +#include <asm/arch/psc_defs.h> + +#include <asm/ti-common/ti-edma3.h> + +#define DDR3_EDMA_BLK_SIZE_SHIFT 10 +#define DDR3_EDMA_BLK_SIZE (1 << DDR3_EDMA_BLK_SIZE_SHIFT) +#define DDR3_EDMA_BCNT 0x8000 +#define DDR3_EDMA_CCNT 1 +#define DDR3_EDMA_XF_SIZE (DDR3_EDMA_BLK_SIZE * DDR3_EDMA_BCNT) +#define DDR3_EDMA_SLOT_NUM 1 + +void ddr3_init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg) +{ + unsigned int tmp; + + while ((__raw_readl(base + KS2_DDRPHY_PGSR0_OFFSET) + & 0x00000001) != 0x00000001) + ; + + __raw_writel(phy_cfg->pllcr, base + KS2_DDRPHY_PLLCR_OFFSET); + + tmp = __raw_readl(base + KS2_DDRPHY_PGCR1_OFFSET); + tmp &= ~(phy_cfg->pgcr1_mask); + tmp |= phy_cfg->pgcr1_val; + __raw_writel(tmp, base + KS2_DDRPHY_PGCR1_OFFSET); + + __raw_writel(phy_cfg->ptr0, base + KS2_DDRPHY_PTR0_OFFSET); + __raw_writel(phy_cfg->ptr1, base + KS2_DDRPHY_PTR1_OFFSET); + __raw_writel(phy_cfg->ptr3, base + KS2_DDRPHY_PTR3_OFFSET); + __raw_writel(phy_cfg->ptr4, base + KS2_DDRPHY_PTR4_OFFSET); + + tmp = __raw_readl(base + KS2_DDRPHY_DCR_OFFSET); + tmp &= ~(phy_cfg->dcr_mask); + tmp |= phy_cfg->dcr_val; + __raw_writel(tmp, base + KS2_DDRPHY_DCR_OFFSET); + + __raw_writel(phy_cfg->dtpr0, base + KS2_DDRPHY_DTPR0_OFFSET); + __raw_writel(phy_cfg->dtpr1, base + KS2_DDRPHY_DTPR1_OFFSET); + __raw_writel(phy_cfg->dtpr2, base + KS2_DDRPHY_DTPR2_OFFSET); + __raw_writel(phy_cfg->mr0, base + KS2_DDRPHY_MR0_OFFSET); + __raw_writel(phy_cfg->mr1, base + KS2_DDRPHY_MR1_OFFSET); + __raw_writel(phy_cfg->mr2, base + KS2_DDRPHY_MR2_OFFSET); + __raw_writel(phy_cfg->dtcr, base + KS2_DDRPHY_DTCR_OFFSET); + __raw_writel(phy_cfg->pgcr2, base + KS2_DDRPHY_PGCR2_OFFSET); + + __raw_writel(phy_cfg->zq0cr1, base + KS2_DDRPHY_ZQ0CR1_OFFSET); + __raw_writel(phy_cfg->zq1cr1, base + KS2_DDRPHY_ZQ1CR1_OFFSET); + __raw_writel(phy_cfg->zq2cr1, base + KS2_DDRPHY_ZQ2CR1_OFFSET); + + __raw_writel(phy_cfg->pir_v1, base + KS2_DDRPHY_PIR_OFFSET); + while ((__raw_readl(base + KS2_DDRPHY_PGSR0_OFFSET) & 0x1) != 0x1) + ; + + __raw_writel(phy_cfg->pir_v2, base + KS2_DDRPHY_PIR_OFFSET); + while ((__raw_readl(base + KS2_DDRPHY_PGSR0_OFFSET) & 0x1) != 0x1) + ; +} + +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); + __raw_writel(emif_cfg->sdtim2, base + KS2_DDR3_SDTIM2_OFFSET); + __raw_writel(emif_cfg->sdtim3, base + KS2_DDR3_SDTIM3_OFFSET); + __raw_writel(emif_cfg->sdtim4, base + KS2_DDR3_SDTIM4_OFFSET); + __raw_writel(emif_cfg->zqcfg, base + KS2_DDR3_ZQCFG_OFFSET); + __raw_writel(emif_cfg->sdrfc, base + KS2_DDR3_SDRFC_OFFSET); +} + +int ddr3_ecc_support_rmw(u32 base) +{ + u32 value = __raw_readl(base + KS2_DDR3_MIDR_OFFSET); + + /* Check the DDR3 controller ID reg if the controllers + supports ECC RMW or not */ + if (value == 0x40461C02) + return 1; + + return 0; +} + +static void ddr3_ecc_config(u32 base, u32 value) +{ + u32 data; + + __raw_writel(value, base + KS2_DDR3_ECC_CTRL_OFFSET); + udelay(100000); /* delay required to synchronize across clock domains */ + + if (value & KS2_DDR3_ECC_EN) { + /* Clear the 1-bit error count */ + data = __raw_readl(base + KS2_DDR3_ONE_BIT_ECC_ERR_CNT_OFFSET); + __raw_writel(data, base + KS2_DDR3_ONE_BIT_ECC_ERR_CNT_OFFSET); + + /* enable the ECC interrupt */ + __raw_writel(KS2_DDR3_1B_ECC_ERR_SYS | KS2_DDR3_2B_ECC_ERR_SYS | + KS2_DDR3_WR_ECC_ERR_SYS, + base + KS2_DDR3_ECC_INT_ENABLE_SET_SYS_OFFSET); + + /* Clear the ECC error interrupt status */ + __raw_writel(KS2_DDR3_1B_ECC_ERR_SYS | KS2_DDR3_2B_ECC_ERR_SYS | + KS2_DDR3_WR_ECC_ERR_SYS, + base + KS2_DDR3_ECC_INT_STATUS_OFFSET); + } +} + +static void ddr3_reset_data(u32 base, u32 ddr3_size) +{ + u32 mpax[2]; + u32 seg_num; + u32 seg, blks, dst, edma_blks; + struct edma3_slot_config slot; + struct edma3_channel_config edma_channel; + u32 edma_src[DDR3_EDMA_BLK_SIZE/4] __aligned(16) = {0, }; + + /* Setup an edma to copy the 1k block to the entire DDR */ + puts("\nClear entire DDR3 memory to enable ECC\n"); + + /* save the SES MPAX regs */ + msmc_get_ses_mpax(8, 0, mpax); + + /* setup edma slot 1 configuration */ + slot.opt = EDMA3_SLOPT_TRANS_COMP_INT_ENB | + EDMA3_SLOPT_COMP_CODE(0) | + EDMA3_SLOPT_STATIC | EDMA3_SLOPT_AB_SYNC; + slot.bcnt = DDR3_EDMA_BCNT; + slot.acnt = DDR3_EDMA_BLK_SIZE; + slot.ccnt = DDR3_EDMA_CCNT; + slot.src_bidx = 0; + slot.dst_bidx = DDR3_EDMA_BLK_SIZE; + slot.src_cidx = 0; + slot.dst_cidx = 0; + slot.link = EDMA3_PARSET_NULL_LINK; + slot.bcntrld = 0; + edma3_slot_configure(KS2_EDMA0_BASE, DDR3_EDMA_SLOT_NUM, &slot); + + /* configure quik edma channel */ + edma_channel.slot = DDR3_EDMA_SLOT_NUM; + edma_channel.chnum = 0; + edma_channel.complete_code = 0; + /* event trigger after dst update */ + edma_channel.trigger_slot_word = EDMA3_TWORD(dst); + qedma3_start(KS2_EDMA0_BASE, &edma_channel); + + /* DDR3 size in segments (4KB seg size) */ + seg_num = ddr3_size << (30 - KS2_MSMC_SEG_SIZE_SHIFT); + + for (seg = 0; seg < seg_num; seg += KS2_MSMC_MAP_SEG_NUM) { + /* map 2GB 36-bit DDR address to 32-bit DDR address in EMIF + access slave interface so that edma driver can access */ + msmc_map_ses_segment(8, 0, base >> KS2_MSMC_SEG_SIZE_SHIFT, + KS2_MSMC_DST_SEG_BASE + seg, MPAX_SEG_2G); + + if ((seg_num - seg) > KS2_MSMC_MAP_SEG_NUM) + edma_blks = KS2_MSMC_MAP_SEG_NUM << + (KS2_MSMC_SEG_SIZE_SHIFT + - DDR3_EDMA_BLK_SIZE_SHIFT); + else + edma_blks = (seg_num - seg) << (KS2_MSMC_SEG_SIZE_SHIFT + - DDR3_EDMA_BLK_SIZE_SHIFT); + + /* Use edma driver to scrub 2GB DDR memory */ + for (dst = base, blks = 0; blks < edma_blks; + blks += DDR3_EDMA_BCNT, dst += DDR3_EDMA_XF_SIZE) { + edma3_set_src_addr(KS2_EDMA0_BASE, + edma_channel.slot, (u32)edma_src); + edma3_set_dest_addr(KS2_EDMA0_BASE, + edma_channel.slot, (u32)dst); + + while (edma3_check_for_transfer(KS2_EDMA0_BASE, + &edma_channel)) + udelay(10); + } + } + + qedma3_stop(KS2_EDMA0_BASE, &edma_channel); + + /* restore the SES MPAX regs */ + msmc_set_ses_mpax(8, 0, mpax); +} + +static void ddr3_ecc_init_range(u32 base) +{ + u32 ecc_val = KS2_DDR3_ECC_EN; + u32 rmw = ddr3_ecc_support_rmw(base); + + if (rmw) + ecc_val |= KS2_DDR3_ECC_RMW_EN; + + __raw_writel(0, base + KS2_DDR3_ECC_ADDR_RANGE1_OFFSET); + + ddr3_ecc_config(base, ecc_val); +} + +void ddr3_enable_ecc(u32 base, int test) +{ + u32 ecc_val = KS2_DDR3_ECC_ENABLE; + u32 rmw = ddr3_ecc_support_rmw(base); + + if (test) + ecc_val |= KS2_DDR3_ECC_ADDR_RNG_1_EN; + + if (!rmw) { + if (!test) + /* by default, disable ecc when rmw = 0 and no + ecc test */ + ecc_val = 0; + } else { + ecc_val |= KS2_DDR3_ECC_RMW_EN; + } + + ddr3_ecc_config(base, ecc_val); +} + +void ddr3_disable_ecc(u32 base) +{ + ddr3_ecc_config(base, 0); +} + +#if defined(CONFIG_SOC_K2HK) || defined(CONFIG_SOC_K2L) +static void cic_init(u32 base) +{ + /* Disable CIC global interrupts */ + __raw_writel(0, base + KS2_CIC_GLOBAL_ENABLE); + + /* Set to normal mode, no nesting, no priority hold */ + __raw_writel(0, base + KS2_CIC_CTRL); + __raw_writel(0, base + KS2_CIC_HOST_CTRL); + + /* Enable CIC global interrupts */ + __raw_writel(1, base + KS2_CIC_GLOBAL_ENABLE); +} + +static void cic_map_cic_to_gic(u32 base, u32 chan_num, u32 irq_num) +{ + /* Map the system interrupt to a CIC channel */ + __raw_writeb(chan_num, base + KS2_CIC_CHAN_MAP(0) + irq_num); + + /* Enable CIC system interrupt */ + __raw_writel(irq_num, base + KS2_CIC_SYS_ENABLE_IDX_SET); + + /* Enable CIC Host interrupt */ + __raw_writel(chan_num, base + KS2_CIC_HOST_ENABLE_IDX_SET); +} + +static void ddr3_map_ecc_cic2_irq(u32 base) +{ + cic_init(base); + cic_map_cic_to_gic(base, KS2_CIC2_DDR3_ECC_CHAN_NUM, + KS2_CIC2_DDR3_ECC_IRQ_NUM); +} +#endif + +void ddr3_init_ecc(u32 base, u32 ddr3_size) +{ + if (!ddr3_ecc_support_rmw(base)) { + ddr3_disable_ecc(base); + return; + } + + ddr3_ecc_init_range(base); + ddr3_reset_data(CONFIG_SYS_SDRAM_BASE, ddr3_size); + + /* mapping DDR3 ECC system interrupt from CIC2 to GIC */ +#if defined(CONFIG_SOC_K2HK) || defined(CONFIG_SOC_K2L) + ddr3_map_ecc_cic2_irq(KS2_CIC2_BASE); +#endif + ddr3_enable_ecc(base, 0); +} + +void ddr3_check_ecc_int(u32 base) +{ + char *env; + int ecc_test = 0; + u32 value = __raw_readl(base + KS2_DDR3_ECC_INT_STATUS_OFFSET); + + env = getenv("ecc_test"); + if (env) + ecc_test = simple_strtol(env, NULL, 0); + + if (value & KS2_DDR3_WR_ECC_ERR_SYS) + puts("DDR3 ECC write error interrupted\n"); + + if (value & KS2_DDR3_2B_ECC_ERR_SYS) { + puts("DDR3 ECC 2-bit error interrupted\n"); + + if (!ecc_test) { + puts("Reseting the device ...\n"); + reset_cpu(0); + } + } + + value = __raw_readl(base + KS2_DDR3_ONE_BIT_ECC_ERR_CNT_OFFSET); + if (value) { + printf("1-bit ECC err count: 0x%x\n", value); + value = __raw_readl(base + + KS2_DDR3_ONE_BIT_ECC_ERR_ADDR_LOG_OFFSET); + printf("1-bit ECC err address log: 0x%x\n", value); + } +} + +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); +} + +#ifdef CONFIG_SOC_K2HK +/** + * ddr3_reset_workaround - reset workaround in case if leveling error + * detected for PG 1.0 and 1.1 k2hk SoCs + */ +void ddr3_err_reset_workaround(void) +{ + unsigned int tmp; + unsigned int tmp_a; + unsigned int tmp_b; + + /* + * Check for PGSR0 error bits of DDR3 PHY. + * Check for WLERR, QSGERR, WLAERR, + * RDERR, WDERR, REERR, WEERR error to see if they are set or not + */ + tmp_a = __raw_readl(KS2_DDR3A_DDRPHYC + KS2_DDRPHY_PGSR0_OFFSET); + tmp_b = __raw_readl(KS2_DDR3B_DDRPHYC + KS2_DDRPHY_PGSR0_OFFSET); + + if (((tmp_a & 0x0FE00000) != 0) || ((tmp_b & 0x0FE00000) != 0)) { + printf("DDR Leveling Error Detected!\n"); + printf("DDR3A PGSR0 = 0x%x\n", tmp_a); + printf("DDR3B PGSR0 = 0x%x\n", tmp_b); + + /* + * Write Keys to KICK registers to enable writes to registers + * in boot config space + */ + __raw_writel(KS2_KICK0_MAGIC, KS2_KICK0); + __raw_writel(KS2_KICK1_MAGIC, KS2_KICK1); + + /* + * Move DDR3A Module out of reset isolation by setting + * MDCTL23[12] = 0 + */ + tmp_a = __raw_readl(KS2_PSC_BASE + + PSC_REG_MDCTL(KS2_LPSC_EMIF4F_DDR3A)); + + tmp_a = PSC_REG_MDCTL_SET_RESET_ISO(tmp_a, 0); + __raw_writel(tmp_a, KS2_PSC_BASE + + PSC_REG_MDCTL(KS2_LPSC_EMIF4F_DDR3A)); + + /* + * Move DDR3B Module out of reset isolation by setting + * MDCTL24[12] = 0 + */ + tmp_b = __raw_readl(KS2_PSC_BASE + + PSC_REG_MDCTL(KS2_LPSC_EMIF4F_DDR3B)); + tmp_b = PSC_REG_MDCTL_SET_RESET_ISO(tmp_b, 0); + __raw_writel(tmp_b, KS2_PSC_BASE + + PSC_REG_MDCTL(KS2_LPSC_EMIF4F_DDR3B)); + + /* + * Write 0x5A69 Key to RSTCTRL[15:0] to unlock writes + * to RSTCTRL and RSTCFG + */ + tmp = __raw_readl(KS2_RSTCTRL); + tmp &= KS2_RSTCTRL_MASK; + tmp |= KS2_RSTCTRL_KEY; + __raw_writel(tmp, KS2_RSTCTRL); + + /* + * Set PLL Controller to drive hard reset on SW trigger by + * setting RSTCFG[13] = 0 + */ + tmp = __raw_readl(KS2_RSTCTRL_RSCFG); + tmp &= ~KS2_RSTYPE_PLL_SOFT; + __raw_writel(tmp, KS2_RSTCTRL_RSCFG); + + reset_cpu(0); + } +} +#endif diff --git a/arch/arm/mach-keystone/include/mach/clock-k2e.h b/arch/arm/mach-keystone/include/mach/clock-k2e.h new file mode 100644 index 0000000..d013b83 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/clock-k2e.h @@ -0,0 +1,85 @@ +/* + * K2E: Clock management APIs + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_CLOCK_K2E_H +#define __ASM_ARCH_CLOCK_K2E_H + +enum ext_clk_e { + sys_clk, + alt_core_clk, + pa_clk, + ddr3_clk, + mcm_clk, + pcie_clk, + sgmii_clk, + xgmii_clk, + usb_clk, + ext_clk_count /* number of external clocks */ +}; + +extern unsigned int external_clk[ext_clk_count]; + +#define CLK_LIST(CLK)\ + CLK(0, core_pll_clk)\ + CLK(1, pass_pll_clk)\ + CLK(2, ddr3_pll_clk)\ + CLK(3, sys_clk0_clk)\ + CLK(4, sys_clk0_1_clk)\ + CLK(5, sys_clk0_2_clk)\ + CLK(6, sys_clk0_3_clk)\ + CLK(7, sys_clk0_4_clk)\ + CLK(8, sys_clk0_6_clk)\ + CLK(9, sys_clk0_8_clk)\ + CLK(10, sys_clk0_12_clk)\ + CLK(11, sys_clk0_24_clk)\ + CLK(12, sys_clk1_clk)\ + CLK(13, sys_clk1_3_clk)\ + CLK(14, sys_clk1_4_clk)\ + CLK(15, sys_clk1_6_clk)\ + CLK(16, sys_clk1_12_clk)\ + CLK(17, sys_clk2_clk)\ + CLK(18, sys_clk3_clk) + +#define PLLSET_CMD_LIST "<pa|ddr3>" + +#define KS2_CLK1_6 sys_clk0_6_clk + +/* PLL identifiers */ +enum pll_type_e { + CORE_PLL, + PASS_PLL, + DDR3_PLL, +}; + +enum { + SPD800, + SPD850, + SPD1000, + SPD1250, + SPD1350, + SPD1400, + SPD1500, + SPD_RSV +}; + +#define CORE_PLL_800 {CORE_PLL, 16, 1, 2} +#define CORE_PLL_850 {CORE_PLL, 17, 1, 2} +#define CORE_PLL_1000 {CORE_PLL, 20, 1, 2} +#define CORE_PLL_1200 {CORE_PLL, 24, 1, 2} +#define PASS_PLL_1000 {PASS_PLL, 20, 1, 2} +#define CORE_PLL_1250 {CORE_PLL, 25, 1, 2} +#define CORE_PLL_1350 {CORE_PLL, 27, 1, 2} +#define CORE_PLL_1400 {CORE_PLL, 28, 1, 2} +#define CORE_PLL_1500 {CORE_PLL, 30, 1, 2} +#define DDR3_PLL_200 {DDR3_PLL, 4, 1, 2} +#define DDR3_PLL_400 {DDR3_PLL, 16, 1, 4} +#define DDR3_PLL_800 {DDR3_PLL, 16, 1, 2} +#define DDR3_PLL_333 {DDR3_PLL, 20, 1, 6} + +#endif diff --git a/arch/arm/mach-keystone/include/mach/clock-k2hk.h b/arch/arm/mach-keystone/include/mach/clock-k2hk.h new file mode 100644 index 0000000..f28d5f0 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/clock-k2hk.h @@ -0,0 +1,103 @@ +/* + * K2HK: Clock management APIs + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_CLOCK_K2HK_H +#define __ASM_ARCH_CLOCK_K2HK_H + +enum ext_clk_e { + sys_clk, + alt_core_clk, + pa_clk, + tetris_clk, + ddr3a_clk, + ddr3b_clk, + mcm_clk, + pcie_clk, + sgmii_srio_clk, + xgmii_clk, + usb_clk, + rp1_clk, + ext_clk_count /* number of external clocks */ +}; + +extern unsigned int external_clk[ext_clk_count]; + +#define CLK_LIST(CLK)\ + CLK(0, core_pll_clk)\ + CLK(1, pass_pll_clk)\ + CLK(2, tetris_pll_clk)\ + CLK(3, ddr3a_pll_clk)\ + CLK(4, ddr3b_pll_clk)\ + CLK(5, sys_clk0_clk)\ + CLK(6, sys_clk0_1_clk)\ + CLK(7, sys_clk0_2_clk)\ + CLK(8, sys_clk0_3_clk)\ + CLK(9, sys_clk0_4_clk)\ + CLK(10, sys_clk0_6_clk)\ + CLK(11, sys_clk0_8_clk)\ + CLK(12, sys_clk0_12_clk)\ + CLK(13, sys_clk0_24_clk)\ + CLK(14, sys_clk1_clk)\ + CLK(15, sys_clk1_3_clk)\ + CLK(16, sys_clk1_4_clk)\ + CLK(17, sys_clk1_6_clk)\ + CLK(18, sys_clk1_12_clk)\ + CLK(19, sys_clk2_clk)\ + CLK(20, sys_clk3_clk) + +#define PLLSET_CMD_LIST "<pa|arm|ddr3a|ddr3b>" + +#define KS2_CLK1_6 sys_clk0_6_clk + +/* PLL identifiers */ +enum pll_type_e { + CORE_PLL, + PASS_PLL, + TETRIS_PLL, + DDR3A_PLL, + DDR3B_PLL, +}; + +enum { + SPD800, + SPD1000, + SPD1200, + SPD1350, + SPD1400, + SPD_RSV +}; + +#define CORE_PLL_799 {CORE_PLL, 13, 1, 2} +#define CORE_PLL_983 {CORE_PLL, 16, 1, 2} +#define CORE_PLL_999 {CORE_PLL, 122, 15, 1} +#define CORE_PLL_1167 {CORE_PLL, 19, 1, 2} +#define CORE_PLL_1228 {CORE_PLL, 20, 1, 2} +#define CORE_PLL_1200 {CORE_PLL, 625, 32, 2} +#define PASS_PLL_1228 {PASS_PLL, 20, 1, 2} +#define PASS_PLL_983 {PASS_PLL, 16, 1, 2} +#define PASS_PLL_1050 {PASS_PLL, 205, 12, 2} +#define TETRIS_PLL_500 {TETRIS_PLL, 8, 1, 2} +#define TETRIS_PLL_750 {TETRIS_PLL, 12, 1, 2} +#define TETRIS_PLL_800 {TETRIS_PLL, 32, 5, 1} +#define TETRIS_PLL_687 {TETRIS_PLL, 11, 1, 2} +#define TETRIS_PLL_625 {TETRIS_PLL, 10, 1, 2} +#define TETRIS_PLL_812 {TETRIS_PLL, 13, 1, 2} +#define TETRIS_PLL_875 {TETRIS_PLL, 14, 1, 2} +#define TETRIS_PLL_1000 {TETRIS_PLL, 40, 5, 1} +#define TETRIS_PLL_1188 {TETRIS_PLL, 19, 2, 1} +#define TETRIS_PLL_1200 {TETRIS_PLL, 48, 5, 1} +#define TETRIS_PLL_1350 {TETRIS_PLL, 54, 5, 1} +#define TETRIS_PLL_1375 {TETRIS_PLL, 22, 2, 1} +#define TETRIS_PLL_1400 {TETRIS_PLL, 56, 5, 1} +#define DDR3_PLL_200(x) {DDR3##x##_PLL, 4, 1, 2} +#define DDR3_PLL_400(x) {DDR3##x##_PLL, 16, 1, 4} +#define DDR3_PLL_800(x) {DDR3##x##_PLL, 16, 1, 2} +#define DDR3_PLL_333(x) {DDR3##x##_PLL, 20, 1, 6} + +#endif diff --git a/arch/arm/mach-keystone/include/mach/clock-k2l.h b/arch/arm/mach-keystone/include/mach/clock-k2l.h new file mode 100644 index 0000000..bb9a5c4 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/clock-k2l.h @@ -0,0 +1,95 @@ +/* + * K2L: Clock management APIs + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_CLOCK_K2L_H +#define __ASM_ARCH_CLOCK_K2L_H + +enum ext_clk_e { + sys_clk, + alt_core_clk, + pa_clk, + tetris_clk, + ddr3_clk, + pcie_clk, + sgmii_clk, + usb_clk, + rp1_clk, + ext_clk_count /* number of external clocks */ +}; + +extern unsigned int external_clk[ext_clk_count]; + +#define CLK_LIST(CLK)\ + CLK(0, core_pll_clk)\ + CLK(1, pass_pll_clk)\ + CLK(2, tetris_pll_clk)\ + CLK(3, ddr3_pll_clk)\ + CLK(4, sys_clk0_clk)\ + CLK(5, sys_clk0_1_clk)\ + CLK(6, sys_clk0_2_clk)\ + CLK(7, sys_clk0_3_clk)\ + CLK(8, sys_clk0_4_clk)\ + CLK(9, sys_clk0_6_clk)\ + CLK(10, sys_clk0_8_clk)\ + CLK(11, sys_clk0_12_clk)\ + CLK(12, sys_clk0_24_clk)\ + CLK(13, sys_clk1_clk)\ + CLK(14, sys_clk1_3_clk)\ + CLK(15, sys_clk1_4_clk)\ + CLK(16, sys_clk1_6_clk)\ + CLK(17, sys_clk1_12_clk)\ + CLK(18, sys_clk2_clk)\ + CLK(19, sys_clk3_clk)\ + +#define PLLSET_CMD_LIST "<pa|arm|ddr3>" + +#define KS2_CLK1_6 sys_clk0_6_clk + +/* PLL identifiers */ +enum pll_type_e { + CORE_PLL, + PASS_PLL, + TETRIS_PLL, + DDR3_PLL, +}; + +enum { + SPD800, + SPD1000, + SPD1200, + SPD1350, + SPD1400, + SPD_RSV +}; + +#define CORE_PLL_799 {CORE_PLL, 13, 1, 2} +#define CORE_PLL_983 {CORE_PLL, 16, 1, 2} +#define CORE_PLL_1000 {CORE_PLL, 114, 7, 2} +#define CORE_PLL_1167 {CORE_PLL, 19, 1, 2} +#define CORE_PLL_1198 {CORE_PLL, 39, 2, 2} +#define CORE_PLL_1228 {CORE_PLL, 20, 1, 2} +#define PASS_PLL_1228 {PASS_PLL, 20, 1, 2} +#define PASS_PLL_983 {PASS_PLL, 16, 1, 2} +#define PASS_PLL_1050 {PASS_PLL, 205, 12, 2} +#define TETRIS_PLL_491 {TETRIS_PLL, 8, 1, 2} +#define TETRIS_PLL_737 {TETRIS_PLL, 12, 1, 2} +#define TETRIS_PLL_799 {TETRIS_PLL, 13, 1, 2} +#define TETRIS_PLL_983 {TETRIS_PLL, 16, 1, 2} +#define TETRIS_PLL_1000 {TETRIS_PLL, 114, 7, 2} +#define TETRIS_PLL_1167 {TETRIS_PLL, 19, 1, 2} +#define TETRIS_PLL_1198 {TETRIS_PLL, 39, 2, 2} +#define TETRIS_PLL_1228 {TETRIS_PLL, 20, 1, 2} +#define TETRIS_PLL_1352 {TETRIS_PLL, 22, 1, 2} +#define TETRIS_PLL_1401 {TETRIS_PLL, 114, 5, 2} +#define DDR3_PLL_200 {DDR3_PLL, 4, 1, 2} +#define DDR3_PLL_400 {DDR3_PLL, 16, 1, 4} +#define DDR3_PLL_800 {DDR3_PLL, 16, 1, 2} +#define DDR3_PLL_333 {DDR3_PLL, 20, 1, 6} + +#endif diff --git a/arch/arm/mach-keystone/include/mach/clock.h b/arch/arm/mach-keystone/include/mach/clock.h new file mode 100644 index 0000000..9f6cfb2 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/clock.h @@ -0,0 +1,66 @@ +/* + * keystone2: common clock header file + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_CLOCK_H +#define __ASM_ARCH_CLOCK_H + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_SOC_K2HK +#include <asm/arch/clock-k2hk.h> +#endif + +#ifdef CONFIG_SOC_K2E +#include <asm/arch/clock-k2e.h> +#endif + +#ifdef CONFIG_SOC_K2L +#include <asm/arch/clock-k2l.h> +#endif + +#define MAIN_PLL CORE_PLL + +#include <asm/types.h> + +#define GENERATE_ENUM(NUM, ENUM) ENUM = NUM, +#define GENERATE_INDX_STR(NUM, STRING) #NUM"\t- "#STRING"\n" +#define CLOCK_INDEXES_LIST CLK_LIST(GENERATE_INDX_STR) + +enum clk_e { + CLK_LIST(GENERATE_ENUM) +}; + +struct keystone_pll_regs { + u32 reg0; + u32 reg1; +}; + +/* PLL configuration data */ +struct pll_init_data { + int pll; + int pll_m; /* PLL Multiplier */ + int pll_d; /* PLL divider */ + int pll_od; /* PLL output divider */ +}; + +extern const struct keystone_pll_regs keystone_pll_regs[]; +extern int dev_speeds[]; +extern int arm_speeds[]; + +void init_plls(int num_pll, struct pll_init_data *config); +void init_pll(const struct pll_init_data *data); +unsigned long clk_get_rate(unsigned int clk); +unsigned long clk_round_rate(unsigned int clk, unsigned long hz); +int clk_set_rate(unsigned int clk, unsigned long hz); +void pass_pll_pa_clk_enable(void); +int get_max_dev_speed(void); +int get_max_arm_speed(void); + +#endif +#endif diff --git a/arch/arm/mach-keystone/include/mach/clock_defs.h b/arch/arm/mach-keystone/include/mach/clock_defs.h new file mode 100644 index 0000000..85a046b --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/clock_defs.h @@ -0,0 +1,111 @@ +/* + * keystone2: common pll clock definitions + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _CLOCK_DEFS_H_ +#define _CLOCK_DEFS_H_ + +#include <asm/arch/hardware.h> + +#define BIT(x) (1 << (x)) + +/* PLL Control Registers */ +struct pllctl_regs { + u32 ctl; /* 00 */ + u32 ocsel; /* 04 */ + u32 secctl; /* 08 */ + u32 resv0; + u32 mult; /* 10 */ + u32 prediv; /* 14 */ + u32 div1; /* 18 */ + u32 div2; /* 1c */ + u32 div3; /* 20 */ + u32 oscdiv1; /* 24 */ + u32 resv1; /* 28 */ + u32 bpdiv; /* 2c */ + u32 wakeup; /* 30 */ + u32 resv2; + u32 cmd; /* 38 */ + u32 stat; /* 3c */ + u32 alnctl; /* 40 */ + u32 dchange; /* 44 */ + u32 cken; /* 48 */ + u32 ckstat; /* 4c */ + u32 systat; /* 50 */ + u32 ckctl; /* 54 */ + u32 resv3[2]; + u32 div4; /* 60 */ + u32 div5; /* 64 */ + u32 div6; /* 68 */ + u32 div7; /* 6c */ + u32 div8; /* 70 */ + u32 div9; /* 74 */ + u32 div10; /* 78 */ + u32 div11; /* 7c */ + u32 div12; /* 80 */ +}; + +static struct pllctl_regs *pllctl_regs[] = { + (struct pllctl_regs *)(KS2_CLOCK_BASE + 0x100) +}; + +#define pllctl_reg(pll, reg) (&(pllctl_regs[pll]->reg)) +#define pllctl_reg_read(pll, reg) __raw_readl(pllctl_reg(pll, reg)) +#define pllctl_reg_write(pll, reg, val) __raw_writel(val, pllctl_reg(pll, reg)) + +#define pllctl_reg_rmw(pll, reg, mask, val) \ + pllctl_reg_write(pll, reg, \ + (pllctl_reg_read(pll, reg) & ~(mask)) | val) + +#define pllctl_reg_setbits(pll, reg, mask) \ + pllctl_reg_rmw(pll, reg, 0, mask) + +#define pllctl_reg_clrbits(pll, reg, mask) \ + pllctl_reg_rmw(pll, reg, mask, 0) + +#define pll0div_read(N) ((pllctl_reg_read(CORE_PLL, div##N) & 0xff) + 1) + +/* PLLCTL Bits */ +#define PLLCTL_BYPASS BIT(23) +#define PLL_PLLRST BIT(14) +#define PLLCTL_PAPLL BIT(13) +#define PLLCTL_CLKMODE BIT(8) +#define PLLCTL_PLLSELB BIT(7) +#define PLLCTL_ENSAT BIT(6) +#define PLLCTL_PLLENSRC BIT(5) +#define PLLCTL_PLLDIS BIT(4) +#define PLLCTL_PLLRST BIT(3) +#define PLLCTL_PLLPWRDN BIT(1) +#define PLLCTL_PLLEN BIT(0) +#define PLLSTAT_GO BIT(0) + +#define MAIN_ENSAT_OFFSET 6 + +#define PLLDIV_ENABLE BIT(15) + +#define PLL_DIV_MASK 0x3f +#define PLL_MULT_MASK 0x1fff +#define PLL_MULT_SHIFT 6 +#define PLLM_MULT_HI_MASK 0x7f +#define PLLM_MULT_HI_SHIFT 12 +#define PLLM_MULT_HI_SMASK (PLLM_MULT_HI_MASK << PLLM_MULT_HI_SHIFT) +#define PLLM_MULT_LO_MASK 0x3f +#define PLL_CLKOD_MASK 0xf +#define PLL_CLKOD_SHIFT 19 +#define PLL_CLKOD_SMASK (PLL_CLKOD_MASK << PLL_CLKOD_SHIFT) +#define PLL_BWADJ_LO_MASK 0xff +#define PLL_BWADJ_LO_SHIFT 24 +#define PLL_BWADJ_LO_SMASK (PLL_BWADJ_LO_MASK << PLL_BWADJ_LO_SHIFT) +#define PLL_BWADJ_HI_MASK 0xf + +#define PLLM_RATIO_DIV1 (PLLDIV_ENABLE | 0x0) +#define PLLM_RATIO_DIV2 (PLLDIV_ENABLE | 0x0) +#define PLLM_RATIO_DIV3 (PLLDIV_ENABLE | 0x1) +#define PLLM_RATIO_DIV4 (PLLDIV_ENABLE | 0x4) +#define PLLM_RATIO_DIV5 (PLLDIV_ENABLE | 0x17) + +#endif /* _CLOCK_DEFS_H_ */ diff --git a/arch/arm/mach-keystone/include/mach/ddr3.h b/arch/arm/mach-keystone/include/mach/ddr3.h new file mode 100644 index 0000000..a22c237 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/ddr3.h @@ -0,0 +1,62 @@ +/* + * DDR3 + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _DDR3_H_ +#define _DDR3_H_ + +#include <asm/arch/hardware.h> + +struct ddr3_phy_config { + unsigned int pllcr; + unsigned int pgcr1_mask; + unsigned int pgcr1_val; + unsigned int ptr0; + unsigned int ptr1; + unsigned int ptr2; + unsigned int ptr3; + unsigned int ptr4; + unsigned int dcr_mask; + unsigned int dcr_val; + unsigned int dtpr0; + unsigned int dtpr1; + unsigned int dtpr2; + unsigned int mr0; + unsigned int mr1; + unsigned int mr2; + unsigned int dtcr; + unsigned int pgcr2; + unsigned int zq0cr1; + unsigned int zq1cr1; + unsigned int zq2cr1; + unsigned int pir_v1; + unsigned int pir_v2; +}; + +struct ddr3_emif_config { + unsigned int sdcfg; + unsigned int sdtim1; + unsigned int sdtim2; + unsigned int sdtim3; + unsigned int sdtim4; + unsigned int zqcfg; + unsigned int sdrfc; +}; + +u32 ddr3_init(void); +void ddr3_reset_ddrphy(void); +void ddr3_init_ecc(u32 base, u32 ddr3_size); +void ddr3_disable_ecc(u32 base); +void ddr3_check_ecc_int(u32 base); +int ddr3_ecc_support_rmw(u32 base); +void ddr3_err_reset_workaround(void); +void ddr3_enable_ecc(u32 base, int test); +void ddr3_init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg); +void ddr3_init_ddremif(u32 base, struct ddr3_emif_config *emif_cfg); + +#endif diff --git a/arch/arm/mach-keystone/include/mach/hardware-k2e.h b/arch/arm/mach-keystone/include/mach/hardware-k2e.h new file mode 100644 index 0000000..df49995 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/hardware-k2e.h @@ -0,0 +1,65 @@ +/* + * K2E: SoC definitions + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_HARDWARE_K2E_H +#define __ASM_ARCH_HARDWARE_K2E_H + +/* PA SS Registers */ +#define KS2_PASS_BASE 0x24000000 + +/* Power and Sleep Controller (PSC) Domains */ +#define KS2_LPSC_MOD_RST 0 +#define KS2_LPSC_USB_1 1 +#define KS2_LPSC_USB 2 +#define KS2_LPSC_EMIF25_SPI 3 +#define KS2_LPSC_TSIP 4 +#define KS2_LPSC_DEBUGSS_TRC 5 +#define KS2_LPSC_TETB_TRC 6 +#define KS2_LPSC_PKTPROC 7 +#define KS2_LPSC_PA KS2_LPSC_PKTPROC +#define KS2_LPSC_SGMII 8 +#define KS2_LPSC_CPGMAC KS2_LPSC_SGMII +#define KS2_LPSC_CRYPTO 9 +#define KS2_LPSC_PCIE 10 +#define KS2_LPSC_VUSR0 12 +#define KS2_LPSC_CHIP_SRSS 13 +#define KS2_LPSC_MSMC 14 +#define KS2_LPSC_EMIF4F_DDR3 23 +#define KS2_LPSC_PCIE_1 27 +#define KS2_LPSC_XGE 50 + +/* MSMC */ +#define KS2_MSMC_SEGMENT_PCIE1 13 + +/* Chip Interrupt Controller */ +#define KS2_CIC2_DDR3_ECC_IRQ_NUM -1 /* not defined in K2E */ +#define KS2_CIC2_DDR3_ECC_CHAN_NUM -1 /* not defined in K2E */ + +/* SGMII SerDes */ +#define KS2_SGMII_SERDES2_BASE 0x02324000 +#define KS2_LANES_PER_SGMII_SERDES 4 + +/* Number of DSP cores */ +#define KS2_NUM_DSPS 1 + +/* NETCP pktdma */ +#define KS2_NETCP_PDMA_CTRL_BASE 0x24186000 +#define KS2_NETCP_PDMA_TX_BASE 0x24187000 +#define KS2_NETCP_PDMA_TX_CH_NUM 21 +#define KS2_NETCP_PDMA_RX_BASE 0x24188000 +#define KS2_NETCP_PDMA_RX_CH_NUM 91 +#define KS2_NETCP_PDMA_SCHED_BASE 0x24186100 +#define KS2_NETCP_PDMA_RX_FLOW_BASE 0x24189000 +#define KS2_NETCP_PDMA_RX_FLOW_NUM 96 +#define KS2_NETCP_PDMA_TX_SND_QUEUE 896 + +/* NETCP */ +#define KS2_NETCP_BASE 0x24000000 + +#endif diff --git a/arch/arm/mach-keystone/include/mach/hardware-k2hk.h b/arch/arm/mach-keystone/include/mach/hardware-k2hk.h new file mode 100644 index 0000000..195c0d3 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/hardware-k2hk.h @@ -0,0 +1,106 @@ +/* + * K2HK: SoC definitions + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_HARDWARE_K2HK_H +#define __ASM_ARCH_HARDWARE_K2HK_H + +#define KS2_ARM_PLL_EN BIT(13) + +/* PA SS Registers */ +#define KS2_PASS_BASE 0x02000000 + +/* PLL control registers */ +#define KS2_DDR3BPLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE + 0x368) +#define KS2_DDR3BPLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE + 0x36C) + +/* Power and Sleep Controller (PSC) Domains */ +#define KS2_LPSC_MOD 0 +#define KS2_LPSC_DUMMY1 1 +#define KS2_LPSC_USB 2 +#define KS2_LPSC_EMIF25_SPI 3 +#define KS2_LPSC_TSIP 4 +#define KS2_LPSC_DEBUGSS_TRC 5 +#define KS2_LPSC_TETB_TRC 6 +#define KS2_LPSC_PKTPROC 7 +#define KS2_LPSC_PA KS2_LPSC_PKTPROC +#define KS2_LPSC_SGMII 8 +#define KS2_LPSC_CPGMAC KS2_LPSC_SGMII +#define KS2_LPSC_CRYPTO 9 +#define KS2_LPSC_PCIE 10 +#define KS2_LPSC_SRIO 11 +#define KS2_LPSC_VUSR0 12 +#define KS2_LPSC_CHIP_SRSS 13 +#define KS2_LPSC_MSMC 14 +#define KS2_LPSC_GEM_1 16 +#define KS2_LPSC_GEM_2 17 +#define KS2_LPSC_GEM_3 18 +#define KS2_LPSC_GEM_4 19 +#define KS2_LPSC_GEM_5 20 +#define KS2_LPSC_GEM_6 21 +#define KS2_LPSC_GEM_7 22 +#define KS2_LPSC_EMIF4F_DDR3A 23 +#define KS2_LPSC_EMIF4F_DDR3B 24 +#define KS2_LPSC_TAC 25 +#define KS2_LPSC_RAC 26 +#define KS2_LPSC_RAC_1 27 +#define KS2_LPSC_FFTC_A 28 +#define KS2_LPSC_FFTC_B 29 +#define KS2_LPSC_FFTC_C 30 +#define KS2_LPSC_FFTC_D 31 +#define KS2_LPSC_FFTC_E 32 +#define KS2_LPSC_FFTC_F 33 +#define KS2_LPSC_AI2 34 +#define KS2_LPSC_TCP3D_0 35 +#define KS2_LPSC_TCP3D_1 36 +#define KS2_LPSC_TCP3D_2 37 +#define KS2_LPSC_TCP3D_3 38 +#define KS2_LPSC_VCP2X4_A 39 +#define KS2_LPSC_CP2X4_B 40 +#define KS2_LPSC_VCP2X4_C 41 +#define KS2_LPSC_VCP2X4_D 42 +#define KS2_LPSC_VCP2X4_E 43 +#define KS2_LPSC_VCP2X4_F 44 +#define KS2_LPSC_VCP2X4_G 45 +#define KS2_LPSC_VCP2X4_H 46 +#define KS2_LPSC_BCP 47 +#define KS2_LPSC_DXB 48 +#define KS2_LPSC_VUSR1 49 +#define KS2_LPSC_XGE 50 +#define KS2_LPSC_ARM_SREFLEX 51 + +/* DDR3B definitions */ +#define KS2_DDR3B_EMIF_CTRL_BASE 0x21020000 +#define KS2_DDR3B_EMIF_DATA_BASE 0x60000000 +#define KS2_DDR3B_DDRPHYC 0x02328000 + +#define KS2_CIC2_DDR3_ECC_IRQ_NUM 0x0D3 /* DDR3 ECC system irq number */ +#define KS2_CIC2_DDR3_ECC_CHAN_NUM 0x01D /* DDR3 ECC int mapped to CIC2 + channel 29 */ + +/* SGMII SerDes */ +#define KS2_LANES_PER_SGMII_SERDES 4 + +/* Number of DSP cores */ +#define KS2_NUM_DSPS 8 + +/* NETCP pktdma */ +#define KS2_NETCP_PDMA_CTRL_BASE 0x02004000 +#define KS2_NETCP_PDMA_TX_BASE 0x02004400 +#define KS2_NETCP_PDMA_TX_CH_NUM 9 +#define KS2_NETCP_PDMA_RX_BASE 0x02004800 +#define KS2_NETCP_PDMA_RX_CH_NUM 26 +#define KS2_NETCP_PDMA_SCHED_BASE 0x02004c00 +#define KS2_NETCP_PDMA_RX_FLOW_BASE 0x02005000 +#define KS2_NETCP_PDMA_RX_FLOW_NUM 32 +#define KS2_NETCP_PDMA_TX_SND_QUEUE 648 + +/* NETCP */ +#define KS2_NETCP_BASE 0x02000000 + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-keystone/include/mach/hardware-k2l.h b/arch/arm/mach-keystone/include/mach/hardware-k2l.h new file mode 100644 index 0000000..4f1197e --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/hardware-k2l.h @@ -0,0 +1,108 @@ +/* + * K2L: SoC definitions + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_HARDWARE_K2L_H +#define __ASM_ARCH_HARDWARE_K2L_H + +#define KS2_ARM_PLL_EN BIT(13) + +/* PA SS Registers */ +#define KS2_PASS_BASE 0x26000000 + +/* Power and Sleep Controller (PSC) Domains */ +#define KS2_LPSC_MOD 0 +#define KS2_LPSC_DFE_IQN_SYS 1 +#define KS2_LPSC_USB 2 +#define KS2_LPSC_EMIF25_SPI 3 +#define KS2_LPSC_TSIP 4 +#define KS2_LPSC_DEBUGSS_TRC 5 +#define KS2_LPSC_TETB_TRC 6 +#define KS2_LPSC_PKTPROC 7 +#define KS2_LPSC_PA KS2_LPSC_PKTPROC +#define KS2_LPSC_SGMII 8 +#define KS2_LPSC_CPGMAC KS2_LPSC_SGMII +#define KS2_LPSC_CRYPTO 9 +#define KS2_LPSC_PCIE0 10 +#define KS2_LPSC_PCIE1 11 +#define KS2_LPSC_JESD_MISC 12 +#define KS2_LPSC_CHIP_SRSS 13 +#define KS2_LPSC_MSMC 14 +#define KS2_LPSC_GEM_1 16 +#define KS2_LPSC_GEM_2 17 +#define KS2_LPSC_GEM_3 18 +#define KS2_LPSC_EMIF4F_DDR3 23 +#define KS2_LPSC_TAC 25 +#define KS2_LPSC_RAC 26 +#define KS2_LPSC_DDUC4X_CFR2X_BB 27 +#define KS2_LPSC_FFTC_A 28 +#define KS2_LPSC_OSR 34 +#define KS2_LPSC_TCP3D_0 35 +#define KS2_LPSC_TCP3D_1 37 +#define KS2_LPSC_VCP2X4_A 39 +#define KS2_LPSC_VCP2X4_B 40 +#define KS2_LPSC_VCP2X4_C 41 +#define KS2_LPSC_VCP2X4_D 42 +#define KS2_LPSC_BCP 47 +#define KS2_LPSC_DPD4X 48 +#define KS2_LPSC_FFTC_B 49 +#define KS2_LPSC_IQN_AIL 50 + +/* MSMC */ +#define KS2_MSMC_SEGMENT_PCIE1 14 + +/* Chip Interrupt Controller */ +#define KS2_CIC2_DDR3_ECC_IRQ_NUM 0x0D3 +#define KS2_CIC2_DDR3_ECC_CHAN_NUM 0x01D + +/* OSR */ +#define KS2_OSR_DATA_BASE 0x70000000 /* OSR data base */ +#define KS2_OSR_CFG_BASE 0x02348c00 /* OSR config base */ +#define KS2_OSR_ECC_VEC 0x08 /* ECC Vector reg */ +#define KS2_OSR_ECC_CTRL 0x14 /* ECC control reg */ + +/* OSR ECC Vector register */ +#define KS2_OSR_ECC_VEC_TRIG_RD BIT(15) /* trigger a read op */ +#define KS2_OSR_ECC_VEC_RD_DONE BIT(24) /* read complete */ + +#define KS2_OSR_ECC_VEC_RAM_ID_SH 0 /* RAM ID shift */ +#define KS2_OSR_ECC_VEC_RD_ADDR_SH 16 /* read address shift */ + +/* OSR ECC control register */ +#define KS2_OSR_ECC_CTRL_EN BIT(0) /* ECC enable bit */ +#define KS2_OSR_ECC_CTRL_CHK BIT(1) /* ECC check bit */ +#define KS2_OSR_ECC_CTRL_RMW BIT(2) /* ECC check bit */ + +/* Number of OSR RAM banks */ +#define KS2_OSR_NUM_RAM_BANKS 4 + +/* OSR memory size */ +#define KS2_OSR_SIZE 0x100000 + +/* SGMII SerDes */ +#define KS2_SGMII_SERDES2_BASE 0x02320000 +#define KS2_LANES_PER_SGMII_SERDES 2 + +/* Number of DSP cores */ +#define KS2_NUM_DSPS 4 + +/* NETCP pktdma */ +#define KS2_NETCP_PDMA_CTRL_BASE 0x26186000 +#define KS2_NETCP_PDMA_TX_BASE 0x26187000 +#define KS2_NETCP_PDMA_TX_CH_NUM 21 +#define KS2_NETCP_PDMA_RX_BASE 0x26188000 +#define KS2_NETCP_PDMA_RX_CH_NUM 91 +#define KS2_NETCP_PDMA_SCHED_BASE 0x26186100 +#define KS2_NETCP_PDMA_RX_FLOW_BASE 0x26189000 +#define KS2_NETCP_PDMA_RX_FLOW_NUM 96 +#define KS2_NETCP_PDMA_TX_SND_QUEUE 896 + +/* NETCP */ +#define KS2_NETCP_BASE 0x26000000 + +#endif /* __ASM_ARCH_HARDWARE_K2L_H */ diff --git a/arch/arm/mach-keystone/include/mach/hardware.h b/arch/arm/mach-keystone/include/mach/hardware.h new file mode 100644 index 0000000..16cbcee --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/hardware.h @@ -0,0 +1,290 @@ +/* + * Keystone2: Common SoC definitions, structures etc. + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include <config.h> + +#ifndef __ASSEMBLY__ + +#include <linux/sizes.h> +#include <asm/io.h> + +#define REG(addr) (*(volatile unsigned int *)(addr)) +#define REG_P(addr) ((volatile unsigned int *)(addr)) + +typedef volatile unsigned int dv_reg; +typedef volatile unsigned int *dv_reg_p; + +#endif + +#define BIT(x) (1 << (x)) + +#define KS2_DDRPHY_PIR_OFFSET 0x04 +#define KS2_DDRPHY_PGCR0_OFFSET 0x08 +#define KS2_DDRPHY_PGCR1_OFFSET 0x0C +#define KS2_DDRPHY_PGSR0_OFFSET 0x10 +#define KS2_DDRPHY_PGSR1_OFFSET 0x14 +#define KS2_DDRPHY_PLLCR_OFFSET 0x18 +#define KS2_DDRPHY_PTR0_OFFSET 0x1C +#define KS2_DDRPHY_PTR1_OFFSET 0x20 +#define KS2_DDRPHY_PTR2_OFFSET 0x24 +#define KS2_DDRPHY_PTR3_OFFSET 0x28 +#define KS2_DDRPHY_PTR4_OFFSET 0x2C +#define KS2_DDRPHY_DCR_OFFSET 0x44 + +#define KS2_DDRPHY_DTPR0_OFFSET 0x48 +#define KS2_DDRPHY_DTPR1_OFFSET 0x4C +#define KS2_DDRPHY_DTPR2_OFFSET 0x50 + +#define KS2_DDRPHY_MR0_OFFSET 0x54 +#define KS2_DDRPHY_MR1_OFFSET 0x58 +#define KS2_DDRPHY_MR2_OFFSET 0x5C +#define KS2_DDRPHY_DTCR_OFFSET 0x68 +#define KS2_DDRPHY_PGCR2_OFFSET 0x8C + +#define KS2_DDRPHY_ZQ0CR1_OFFSET 0x184 +#define KS2_DDRPHY_ZQ1CR1_OFFSET 0x194 +#define KS2_DDRPHY_ZQ2CR1_OFFSET 0x1A4 +#define KS2_DDRPHY_ZQ3CR1_OFFSET 0x1B4 + +#define KS2_DDRPHY_DATX8_8_OFFSET 0x3C0 + +#define IODDRM_MASK 0x00000180 +#define ZCKSEL_MASK 0x01800000 +#define CL_MASK 0x00000072 +#define WR_MASK 0x00000E00 +#define BL_MASK 0x00000003 +#define RRMODE_MASK 0x00040000 +#define UDIMM_MASK 0x20000000 +#define BYTEMASK_MASK 0x0003FC00 +#define MPRDQ_MASK 0x00000080 +#define PDQ_MASK 0x00000070 +#define NOSRA_MASK 0x08000000 +#define ECC_MASK 0x00000001 + +/* DDR3 definitions */ +#define KS2_DDR3A_EMIF_CTRL_BASE 0x21010000 +#define KS2_DDR3A_EMIF_DATA_BASE 0x80000000 +#define KS2_DDR3A_DDRPHYC 0x02329000 + +#define KS2_DDR3_MIDR_OFFSET 0x00 +#define KS2_DDR3_STATUS_OFFSET 0x04 +#define KS2_DDR3_SDCFG_OFFSET 0x08 +#define KS2_DDR3_SDRFC_OFFSET 0x10 +#define KS2_DDR3_SDTIM1_OFFSET 0x18 +#define KS2_DDR3_SDTIM2_OFFSET 0x1C +#define KS2_DDR3_SDTIM3_OFFSET 0x20 +#define KS2_DDR3_SDTIM4_OFFSET 0x28 +#define KS2_DDR3_PMCTL_OFFSET 0x38 +#define KS2_DDR3_ZQCFG_OFFSET 0xC8 + +#define KS2_DDR3_PLLCTRL_PHY_RESET 0x80000000 + +/* DDR3 ECC */ +#define KS2_DDR3_ECC_INT_STATUS_OFFSET 0x0AC +#define KS2_DDR3_ECC_INT_ENABLE_SET_SYS_OFFSET 0x0B4 +#define KS2_DDR3_ECC_CTRL_OFFSET 0x110 +#define KS2_DDR3_ECC_ADDR_RANGE1_OFFSET 0x114 +#define KS2_DDR3_ONE_BIT_ECC_ERR_CNT_OFFSET 0x130 +#define KS2_DDR3_ONE_BIT_ECC_ERR_ADDR_LOG_OFFSET 0x13C + +/* DDR3 ECC Interrupt Status register */ +#define KS2_DDR3_1B_ECC_ERR_SYS BIT(5) +#define KS2_DDR3_2B_ECC_ERR_SYS BIT(4) +#define KS2_DDR3_WR_ECC_ERR_SYS BIT(3) + +/* DDR3 ECC Control register */ +#define KS2_DDR3_ECC_EN BIT(31) +#define KS2_DDR3_ECC_ADDR_RNG_PROT BIT(30) +#define KS2_DDR3_ECC_VERIFY_EN BIT(29) +#define KS2_DDR3_ECC_RMW_EN BIT(28) +#define KS2_DDR3_ECC_ADDR_RNG_1_EN BIT(0) + +#define KS2_DDR3_ECC_ENABLE (KS2_DDR3_ECC_EN | \ + KS2_DDR3_ECC_ADDR_RNG_PROT | \ + KS2_DDR3_ECC_VERIFY_EN) + +/* EDMA */ +#define KS2_EDMA0_BASE 0x02700000 + +/* EDMA3 register offsets */ +#define KS2_EDMA_QCHMAP0 0x0200 +#define KS2_EDMA_IPR 0x1068 +#define KS2_EDMA_ICR 0x1070 +#define KS2_EDMA_QEECR 0x1088 +#define KS2_EDMA_QEESR 0x108c +#define KS2_EDMA_PARAM_1(x) (0x4020 + (4 * x)) + +/* NETCP pktdma */ +#define KS2_NETCP_PDMA_RX_FREE_QUEUE 4001 +#define KS2_NETCP_PDMA_RX_RCV_QUEUE 4002 + +/* Chip Interrupt Controller */ +#define KS2_CIC2_BASE 0x02608000 + +/* Chip Interrupt Controller register offsets */ +#define KS2_CIC_CTRL 0x04 +#define KS2_CIC_HOST_CTRL 0x0C +#define KS2_CIC_GLOBAL_ENABLE 0x10 +#define KS2_CIC_SYS_ENABLE_IDX_SET 0x28 +#define KS2_CIC_HOST_ENABLE_IDX_SET 0x34 +#define KS2_CIC_CHAN_MAP(n) (0x0400 + (n << 2)) + +#define KS2_UART0_BASE 0x02530c00 +#define KS2_UART1_BASE 0x02531000 + +/* Boot Config */ +#define KS2_DEVICE_STATE_CTRL_BASE 0x02620000 +#define KS2_JTAG_ID_REG (KS2_DEVICE_STATE_CTRL_BASE + 0x18) +#define KS2_DEVSTAT (KS2_DEVICE_STATE_CTRL_BASE + 0x20) +#define KS2_DEVCFG (KS2_DEVICE_STATE_CTRL_BASE + 0x14c) + +/* PSC */ +#define KS2_PSC_BASE 0x02350000 +#define KS2_LPSC_GEM_0 15 +#define KS2_LPSC_TETRIS 52 +#define KS2_TETRIS_PWR_DOMAIN 31 + +/* Chip configuration unlock codes and registers */ +#define KS2_KICK0 (KS2_DEVICE_STATE_CTRL_BASE + 0x38) +#define KS2_KICK1 (KS2_DEVICE_STATE_CTRL_BASE + 0x3c) +#define KS2_KICK0_MAGIC 0x83e70b13 +#define KS2_KICK1_MAGIC 0x95a4f1e0 + +/* PLL control registers */ +#define KS2_MAINPLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE + 0x350) +#define KS2_MAINPLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE + 0x354) +#define KS2_PASSPLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE + 0x358) +#define KS2_PASSPLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE + 0x35C) +#define KS2_DDR3APLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE + 0x360) +#define KS2_DDR3APLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE + 0x364) +#define KS2_ARMPLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE + 0x370) +#define KS2_ARMPLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE + 0x374) + +#define KS2_PLL_CNTRL_BASE 0x02310000 +#define KS2_CLOCK_BASE KS2_PLL_CNTRL_BASE +#define KS2_RSTCTRL_RSTYPE (KS2_PLL_CNTRL_BASE + 0xe4) +#define KS2_RSTCTRL (KS2_PLL_CNTRL_BASE + 0xe8) +#define KS2_RSTCTRL_RSCFG (KS2_PLL_CNTRL_BASE + 0xec) +#define KS2_RSTCTRL_KEY 0x5a69 +#define KS2_RSTCTRL_MASK 0xffff0000 +#define KS2_RSTCTRL_SWRST 0xfffe0000 +#define KS2_RSTYPE_PLL_SOFT BIT(13) + +/* SPI */ +#define KS2_SPI0_BASE 0x21000400 +#define KS2_SPI1_BASE 0x21000600 +#define KS2_SPI2_BASE 0x21000800 +#define KS2_SPI_BASE KS2_SPI0_BASE + +/* AEMIF */ +#define KS2_AEMIF_CNTRL_BASE 0x21000a00 +#define DAVINCI_ASYNC_EMIF_CNTRL_BASE KS2_AEMIF_CNTRL_BASE + +/* Flag from ks2_debug options to check if DSPs need to stay ON */ +#define DBG_LEAVE_DSPS_ON 0x1 + +/* MSMC control */ +#define KS2_MSMC_CTRL_BASE 0x0bc00000 +#define KS2_MSMC_DATA_BASE 0x0c000000 +#define KS2_MSMC_SEGMENT_TETRIS 8 +#define KS2_MSMC_SEGMENT_NETCP 9 +#define KS2_MSMC_SEGMENT_QM_PDSP 10 +#define KS2_MSMC_SEGMENT_PCIE0 11 + +/* MSMC segment size shift bits */ +#define KS2_MSMC_SEG_SIZE_SHIFT 12 +#define KS2_MSMC_MAP_SEG_NUM (2 << (30 - KS2_MSMC_SEG_SIZE_SHIFT)) +#define KS2_MSMC_DST_SEG_BASE (CONFIG_SYS_LPAE_SDRAM_BASE >> \ + KS2_MSMC_SEG_SIZE_SHIFT) + +/* Device speed */ +#define KS2_REV1_DEVSPEED (KS2_DEVICE_STATE_CTRL_BASE + 0xc98) +#define KS2_EFUSE_BOOTROM (KS2_DEVICE_STATE_CTRL_BASE + 0xc90) +#define KS2_MISC_CTRL (KS2_DEVICE_STATE_CTRL_BASE + 0xc7c) + +/* Queue manager */ +#define KS2_QM_BASE_ADDRESS 0x23a80000 +#define KS2_QM_CONF_BASE 0x02a02000 +#define KS2_QM_DESC_SETUP_BASE 0x02a03000 +#define KS2_QM_STATUS_RAM_BASE 0x02a06000 +#define KS2_QM_INTD_CONF_BASE 0x02a0c000 +#define KS2_QM_PDSP1_CMD_BASE 0x02a20000 +#define KS2_QM_PDSP1_CTRL_BASE 0x02a0f000 +#define KS2_QM_PDSP1_IRAM_BASE 0x02a10000 +#define KS2_QM_MANAGER_QUEUES_BASE 0x02a80000 +#define KS2_QM_MANAGER_Q_PROXY_BASE 0x02ac0000 +#define KS2_QM_QUEUE_STATUS_BASE 0x02a40000 +#define KS2_QM_LINK_RAM_BASE 0x00100000 +#define KS2_QM_REGION_NUM 64 +#define KS2_QM_QPOOL_NUM 4000 + +/* USB */ +#define KS2_USB_SS_BASE 0x02680000 +#define KS2_USB_HOST_XHCI_BASE (KS2_USB_SS_BASE + 0x10000) +#define KS2_DEV_USB_PHY_BASE 0x02620738 +#define KS2_USB_PHY_CFG_BASE 0x02630000 + +#define KS2_MAC_ID_BASE_ADDR (KS2_DEVICE_STATE_CTRL_BASE + 0x110) + +/* SGMII SerDes */ +#define KS2_SGMII_SERDES_BASE 0x0232a000 + +#ifdef CONFIG_SOC_K2HK +#include <asm/arch/hardware-k2hk.h> +#endif + +#ifdef CONFIG_SOC_K2E +#include <asm/arch/hardware-k2e.h> +#endif + +#ifdef CONFIG_SOC_K2L +#include <asm/arch/hardware-k2l.h> +#endif + +#ifndef __ASSEMBLY__ +static inline int cpu_is_k2hk(void) +{ + unsigned int jtag_id = __raw_readl(KS2_JTAG_ID_REG); + unsigned int part_no = (jtag_id >> 12) & 0xffff; + + return (part_no == 0xb981) ? 1 : 0; +} + +static inline int cpu_is_k2e(void) +{ + unsigned int jtag_id = __raw_readl(KS2_JTAG_ID_REG); + unsigned int part_no = (jtag_id >> 12) & 0xffff; + + return (part_no == 0xb9a6) ? 1 : 0; +} + +static inline int cpu_is_k2l(void) +{ + unsigned int jtag_id = __raw_readl(KS2_JTAG_ID_REG); + unsigned int part_no = (jtag_id >> 12) & 0xffff; + + return (part_no == 0xb9a7) ? 1 : 0; +} + +static inline int cpu_revision(void) +{ + unsigned int jtag_id = __raw_readl(KS2_JTAG_ID_REG); + unsigned int rev = (jtag_id >> 28) & 0xf; + + return rev; +} + +int cpu_to_bus(u32 *ptr, u32 length); +void sdelay(unsigned long); + +#endif + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-keystone/include/mach/i2c_defs.h b/arch/arm/mach-keystone/include/mach/i2c_defs.h new file mode 100644 index 0000000..d425652 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/i2c_defs.h @@ -0,0 +1,17 @@ +/* + * keystone: i2c driver definitions + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _I2C_DEFS_H_ +#define _I2C_DEFS_H_ + +#define I2C0_BASE 0x02530000 +#define I2C1_BASE 0x02530400 +#define I2C2_BASE 0x02530800 +#define I2C_BASE I2C0_BASE + +#endif diff --git a/arch/arm/mach-keystone/include/mach/mon.h b/arch/arm/mach-keystone/include/mach/mon.h new file mode 100644 index 0000000..33a2876 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/mon.h @@ -0,0 +1,15 @@ +/* + * K2HK: secure kernel command header file + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _MON_H_ +#define _MON_H_ + +int mon_power_off(int core_id); + +#endif diff --git a/arch/arm/mach-keystone/include/mach/msmc.h b/arch/arm/mach-keystone/include/mach/msmc.h new file mode 100644 index 0000000..083f5ba --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/msmc.h @@ -0,0 +1,45 @@ +/* + * MSMC controller + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _MSMC_H_ +#define _MSMC_H_ + +#include <asm/arch/hardware.h> + +enum mpax_seg_size { + MPAX_SEG_4K = 0x0b, + MPAX_SEG_8K, + MPAX_SEG_16K, + MPAX_SEG_32K, + MPAX_SEG_64K, + MPAX_SEG_128K, + MPAX_SEG_256K, + MPAX_SEG_512K, + MPAX_SEG_1M, + MPAX_SEG_2M, + MPAX_SEG_4M, + MPAX_SEG_8M, + MPAX_SEG_16M, + MPAX_SEG_32M, + MPAX_SEG_64M, + MPAX_SEG_128M, + MPAX_SEG_256M, + MPAX_SEG_512M, + MPAX_SEG_1G, + MPAX_SEG_2G, + MPAX_SEG_4G +}; + +void msmc_share_all_segments(int priv_id); +void msmc_get_ses_mpax(int priv_id, int ses_pair, u32 *mpax); +void msmc_set_ses_mpax(int priv_id, int ses_pair, u32 *mpax); +void msmc_map_ses_segment(int priv_id, int ses_pair, + u32 src_pfn, u32 dst_pfn, enum mpax_seg_size size); + +#endif diff --git a/arch/arm/mach-keystone/include/mach/psc_defs.h b/arch/arm/mach-keystone/include/mach/psc_defs.h new file mode 100644 index 0000000..70d22cf --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/psc_defs.h @@ -0,0 +1,90 @@ +/* + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _PSC_DEFS_H_ +#define _PSC_DEFS_H_ + +#include <asm/arch/hardware.h> + +/* + * FILE PURPOSE: Local Power Sleep Controller definitions + * + * FILE NAME: psc_defs.h + * + * DESCRIPTION: Provides local definitions for the power saver controller + * + */ + +/* Register offsets */ +#define PSC_REG_PTCMD 0x120 +#define PSC_REG_PSTAT 0x128 +#define PSC_REG_PDSTAT(x) (0x200 + (4 * (x))) +#define PSC_REG_PDCTL(x) (0x300 + (4 * (x))) +#define PSC_REG_MDCFG(x) (0x600 + (4 * (x))) +#define PSC_REG_MDSTAT(x) (0x800 + (4 * (x))) +#define PSC_REG_MDCTL(x) (0xa00 + (4 * (x))) + +#define BOOTBITMASK(x, y) ((((((u32)1 << (((u32)x) - ((u32)y) + (u32)1)) - \ + (u32)1)) << ((u32)y))) + +#define BOOT_READ_BITFIELD(z, x, y) (((u32)z) & BOOTBITMASK(x, y)) >> (y) +#define BOOT_SET_BITFIELD(z, f, x, y) (((u32)z) & ~BOOTBITMASK(x, y)) | \ + ((((u32)f) << (y)) & BOOTBITMASK(x, y)) + +/* PDCTL */ +#define PSC_REG_PDCTL_SET_NEXT(x, y) BOOT_SET_BITFIELD((x), (y), 0, 0) +#define PSC_REG_PDCTL_SET_PDMODE(x, y) BOOT_SET_BITFIELD((x), (y), 15, 12) + +/* PDSTAT */ +#define PSC_REG_PDSTAT_GET_STATE(x) BOOT_READ_BITFIELD((x), 4, 0) + +/* MDCFG */ +#define PSC_REG_MDCFG_GET_PD(x) BOOT_READ_BITFIELD((x), 20, 16) +#define PSC_REG_MDCFG_GET_RESET_ISO(x) BOOT_READ_BITFIELD((x), 14, 14) + +/* MDCTL */ +#define PSC_REG_MDCTL_SET_NEXT(x, y) BOOT_SET_BITFIELD((x), (y), 4, 0) +#define PSC_REG_MDCTL_SET_LRSTZ(x, y) BOOT_SET_BITFIELD((x), (y), 8, 8) +#define PSC_REG_MDCTL_GET_LRSTZ(x) BOOT_READ_BITFIELD((x), 8, 8) +#define PSC_REG_MDCTL_SET_RESET_ISO(x, y) BOOT_SET_BITFIELD((x), (y), \ + 12, 12) + +/* MDSTAT */ +#define PSC_REG_MDSTAT_GET_STATUS(x) BOOT_READ_BITFIELD((x), 5, 0) +#define PSC_REG_MDSTAT_GET_LRSTZ(x) BOOT_READ_BITFIELD((x), 8, 8) +#define PSC_REG_MDSTAT_GET_LRSTDONE(x) BOOT_READ_BITFIELD((x), 9, 9) + +/* PDCTL states */ +#define PSC_REG_VAL_PDCTL_NEXT_ON 1 +#define PSC_REG_VAL_PDCTL_NEXT_OFF 0 + +#define PSC_REG_VAL_PDCTL_PDMODE_SLEEP 0 + +/* MDCTL states */ +#define PSC_REG_VAL_MDCTL_NEXT_SWRSTDISABLE 0 +#define PSC_REG_VAL_MDCTL_NEXT_OFF 2 +#define PSC_REG_VAL_MDCTL_NEXT_ON 3 + +/* MDSTAT states */ +#define PSC_REG_VAL_MDSTAT_STATE_ON 3 +#define PSC_REG_VAL_MDSTAT_STATE_ENABLE_IN_PROG 0x24 +#define PSC_REG_VAL_MDSTAT_STATE_OFF 2 +#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG1 0x20 +#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG2 0x21 +#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG3 0x22 + +/* + * Timeout limit on checking PTSTAT. This is the number of times the + * wait function will be called before giving up. + */ +#define PSC_PTSTAT_TIMEOUT_LIMIT 100 + +u32 psc_get_domain_num(u32 mod_num); +int psc_enable_module(u32 mod_num); +int psc_disable_module(u32 mod_num); +int psc_disable_domain(u32 domain_num); + +#endif /* _PSC_DEFS_H_ */ diff --git a/arch/arm/mach-keystone/include/mach/xhci-keystone.h b/arch/arm/mach-keystone/include/mach/xhci-keystone.h new file mode 100644 index 0000000..3aab4e0 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/xhci-keystone.h @@ -0,0 +1,21 @@ +/* + * USB 3.0 DRD Controller + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#define USB3_PHY_REF_SSP_EN BIT(29) +#define USB3_PHY_OTG_VBUSVLDECTSEL BIT(16) + +/* KEYSTONE2 XHCI PHY register structure */ +struct keystone_xhci_phy { + unsigned int phy_utmi; /* ctl0 */ + unsigned int phy_pipe; /* ctl1 */ + unsigned int phy_param_ctrl_1; /* ctl2 */ + unsigned int phy_param_ctrl_2; /* ctl3 */ + unsigned int phy_clock; /* ctl4 */ + unsigned int phy_pll; /* ctl5 */ +}; diff --git a/arch/arm/mach-keystone/init.c b/arch/arm/mach-keystone/init.c new file mode 100644 index 0000000..c96845c --- /dev/null +++ b/arch/arm/mach-keystone/init.c @@ -0,0 +1,151 @@ +/* + * Keystone2: Architecture initialization + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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> +#include <asm/arch/psc_defs.h> + +#define MAX_PCI_PORTS 2 +enum pci_mode { + ENDPOINT, + LEGACY_ENDPOINT, + ROOTCOMPLEX, +}; + +#define DEVCFG_MODE_MASK (BIT(2) | BIT(1)) +#define DEVCFG_MODE_SHIFT 1 + +void chip_configuration_unlock(void) +{ + __raw_writel(KS2_KICK0_MAGIC, KS2_KICK0); + __raw_writel(KS2_KICK1_MAGIC, KS2_KICK1); +} + +#ifdef CONFIG_SOC_K2L +void osr_init(void) +{ + u32 i; + u32 j; + u32 val; + u32 base = KS2_OSR_CFG_BASE; + u32 ecc_ctrl[KS2_OSR_NUM_RAM_BANKS]; + + /* Enable the OSR clock domain */ + psc_enable_module(KS2_LPSC_OSR); + + /* Disable OSR ECC check for all the ram banks */ + for (i = 0; i < KS2_OSR_NUM_RAM_BANKS; i++) { + val = i | KS2_OSR_ECC_VEC_TRIG_RD | + (KS2_OSR_ECC_CTRL << KS2_OSR_ECC_VEC_RD_ADDR_SH); + + writel(val , base + KS2_OSR_ECC_VEC); + + /** + * wait till read is done. + * Print should be added after earlyprintk support is added. + */ + for (j = 0; j < 10000; j++) { + val = readl(base + KS2_OSR_ECC_VEC); + if (val & KS2_OSR_ECC_VEC_RD_DONE) + break; + } + + ecc_ctrl[i] = readl(base + KS2_OSR_ECC_CTRL) ^ + KS2_OSR_ECC_CTRL_CHK; + + writel(ecc_ctrl[i], KS2_MSMC_DATA_BASE + i * 4); + writel(ecc_ctrl[i], base + KS2_OSR_ECC_CTRL); + } + + /* Reset OSR memory to all zeros */ + for (i = 0; i < KS2_OSR_SIZE; i += 4) + writel(0, KS2_OSR_DATA_BASE + i); + + /* Enable OSR ECC check for all the ram banks */ + for (i = 0; i < KS2_OSR_NUM_RAM_BANKS; i++) + writel(ecc_ctrl[i] | + KS2_OSR_ECC_CTRL_CHK, base + KS2_OSR_ECC_CTRL); +} +#endif + +/* Function to set up PCIe mode */ +static void config_pcie_mode(int pcie_port, enum pci_mode mode) +{ + u32 val = __raw_readl(KS2_DEVCFG); + + if (pcie_port >= MAX_PCI_PORTS) + return; + + /** + * each pci port has two bits for mode and it starts at + * bit 1. So use port number to get the right bit position. + */ + pcie_port <<= 1; + val &= ~(DEVCFG_MODE_MASK << pcie_port); + val |= ((mode << DEVCFG_MODE_SHIFT) << pcie_port); + __raw_writel(val, KS2_DEVCFG); +} + +int arch_cpu_init(void) +{ + chip_configuration_unlock(); + icache_enable(); + + msmc_share_all_segments(KS2_MSMC_SEGMENT_TETRIS); + msmc_share_all_segments(KS2_MSMC_SEGMENT_NETCP); + msmc_share_all_segments(KS2_MSMC_SEGMENT_QM_PDSP); + msmc_share_all_segments(KS2_MSMC_SEGMENT_PCIE0); + + /* Initialize the PCIe-0 to work as Root Complex */ + config_pcie_mode(0, ROOTCOMPLEX); +#if defined(CONFIG_SOC_K2E) || defined(CONFIG_SOC_K2L) + msmc_share_all_segments(KS2_MSMC_SEGMENT_PCIE1); + /* Initialize the PCIe-1 to work as Root Complex */ + config_pcie_mode(1, ROOTCOMPLEX); +#endif +#ifdef CONFIG_SOC_K2L + osr_init(); +#endif + + /* + * just initialise the COM2 port so that TI specific + * UART register PWREMU_MGMT is initialized. Linux UART + * driver doesn't handle this. + */ + NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM2), + CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); + + return 0; +} + +void reset_cpu(ulong addr) +{ + volatile u32 *rstctrl = (volatile u32 *)(KS2_RSTCTRL); + u32 tmp; + + tmp = *rstctrl & KS2_RSTCTRL_MASK; + *rstctrl = tmp | KS2_RSTCTRL_KEY; + + *rstctrl &= KS2_RSTCTRL_SWRST; + + for (;;) + ; +} + +void enable_caches(void) +{ +#ifndef CONFIG_SYS_DCACHE_OFF + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +#endif +} diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c new file mode 100644 index 0000000..11a9357 --- /dev/null +++ b/arch/arm/mach-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/mach-keystone/msmc.c b/arch/arm/mach-keystone/msmc.c new file mode 100644 index 0000000..7899141 --- /dev/null +++ b/arch/arm/mach-keystone/msmc.c @@ -0,0 +1,94 @@ +/* + * MSMC controller utilities + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/msmc.h> + +struct mpax { + u32 mpaxl; + u32 mpaxh; +}; + +struct msms_regs { + u32 pid; + u32 _res_04; + u32 smcerrar; + u32 smcerrxr; + u32 smedcc; + u32 smcea; + u32 smsecc; + u32 smpfar; + u32 smpfxr; + u32 smpfr; + u32 smpfcr; + u32 _res_2c; + u32 sbndc[8]; + u32 sbndm; + u32 sbnde; + u32 _res_58; + u32 cfglck; + u32 cfgulck; + u32 cfglckstat; + u32 sms_mpax_lck; + u32 sms_mpax_ulck; + u32 sms_mpax_lckstat; + u32 ses_mpax_lck; + u32 ses_mpax_ulck; + u32 ses_mpax_lckstat; + u32 smestat; + u32 smirstat; + u32 smirc; + u32 smiestat; + u32 smiec; + u32 _res_94_c0[12]; + u32 smncerrar; + u32 smncerrxr; + u32 smncea; + u32 _res_d0_1fc[76]; + struct mpax sms[16][8]; + struct mpax ses[16][8]; +}; + + +void msmc_share_all_segments(int priv_id) +{ + struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE; + int j; + + for (j = 0; j < 8; j++) { + msmc->sms[priv_id][j].mpaxh &= 0xffffff7ful; + msmc->ses[priv_id][j].mpaxh &= 0xffffff7ful; + } +} + +void msmc_map_ses_segment(int priv_id, int ses_pair, + u32 src_pfn, u32 dst_pfn, enum mpax_seg_size size) +{ + struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE; + + msmc->ses[priv_id][ses_pair].mpaxh = src_pfn << 12 | + (size & 0x1f) | 0x80; + msmc->ses[priv_id][ses_pair].mpaxl = dst_pfn << 8 | 0x3f; +} + +void msmc_get_ses_mpax(int priv_id, int ses_pair, u32 *mpax) +{ + struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE; + + *mpax++ = msmc->ses[priv_id][ses_pair].mpaxl; + *mpax = msmc->ses[priv_id][ses_pair].mpaxh; +} + +void msmc_set_ses_mpax(int priv_id, int ses_pair, u32 *mpax) +{ + struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE; + + msmc->ses[priv_id][ses_pair].mpaxl = *mpax++; + msmc->ses[priv_id][ses_pair].mpaxh = *mpax; +} diff --git a/arch/arm/mach-keystone/psc.c b/arch/arm/mach-keystone/psc.c new file mode 100644 index 0000000..237e776 --- /dev/null +++ b/arch/arm/mach-keystone/psc.c @@ -0,0 +1,227 @@ +/* + * Keystone: PSC configuration module + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm-generic/errno.h> +#include <asm/io.h> +#include <asm/processor.h> +#include <asm/arch/psc_defs.h> + +int psc_delay(void) +{ + udelay(10); + return 10; +} + +/* + * FUNCTION PURPOSE: Wait for end of transitional state + * + * DESCRIPTION: Polls pstat for the selected domain and waits for transitions + * to be complete. + * + * Since this is boot loader code it is *ASSUMED* that interrupts + * are disabled and no other core is mucking around with the psc + * at the same time. + * + * Returns 0 when the domain is free. Returns -1 if a timeout + * occurred waiting for the completion. + */ +int psc_wait(u32 domain_num) +{ + u32 retry; + u32 ptstat; + + /* + * Do nothing if the power domain is in transition. This should never + * happen since the boot code is the only software accesses psc. + * It's still remotely possible that the hardware state machines + * initiate transitions. + * Don't trap if the domain (or a module in this domain) is + * stuck in transition. + */ + retry = 0; + + do { + ptstat = __raw_readl(KS2_PSC_BASE + PSC_REG_PSTAT); + ptstat = ptstat & (1 << domain_num); + } while ((ptstat != 0) && ((retry += psc_delay()) < + PSC_PTSTAT_TIMEOUT_LIMIT)); + + if (retry >= PSC_PTSTAT_TIMEOUT_LIMIT) + return -1; + + return 0; +} + +u32 psc_get_domain_num(u32 mod_num) +{ + u32 domain_num; + + /* Get the power domain associated with the module number */ + domain_num = __raw_readl(KS2_PSC_BASE + PSC_REG_MDCFG(mod_num)); + domain_num = PSC_REG_MDCFG_GET_PD(domain_num); + + return domain_num; +} + +/* + * FUNCTION PURPOSE: Power up/down a module + * + * DESCRIPTION: Powers up/down the requested module and the associated power + * domain if required. No action is taken it the module is + * already powered up/down. + * + * This only controls modules. The domain in which the module + * resides will be left in the power on state. Multiple modules + * can exist in a power domain, so powering down the domain based + * on a single module is not done. + * + * Returns 0 on success, -1 if the module can't be powered up, or + * if there is a timeout waiting for the transition. + */ +int psc_set_state(u32 mod_num, u32 state) +{ + u32 domain_num; + u32 pdctl; + u32 mdctl; + u32 ptcmd; + u32 reset_iso; + u32 v; + + /* + * Get the power domain associated with the module number, and reset + * isolation functionality + */ + v = __raw_readl(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); + + /* Wait for the status of the domain/module to be non-transitional */ + if (psc_wait(domain_num) != 0) + return -1; + + /* + * Perform configuration even if the current status matches the + * existing state + * + * Set the next state of the power domain to on. It's OK if the domain + * is always on. This code will not ever power down a domain, so no + * change is made if the new state is power down. + */ + if (state == PSC_REG_VAL_MDCTL_NEXT_ON) { + pdctl = __raw_readl(KS2_PSC_BASE + PSC_REG_PDCTL(domain_num)); + pdctl = PSC_REG_PDCTL_SET_NEXT(pdctl, + PSC_REG_VAL_PDCTL_NEXT_ON); + __raw_writel(pdctl, KS2_PSC_BASE + PSC_REG_PDCTL(domain_num)); + } + + /* Set the next state for the module to enabled/disabled */ + mdctl = __raw_readl(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); + __raw_writel(mdctl, KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); + + /* Trigger the enable */ + ptcmd = __raw_readl(KS2_PSC_BASE + PSC_REG_PTCMD); + ptcmd |= (u32)(1<<domain_num); + __raw_writel(ptcmd, KS2_PSC_BASE + PSC_REG_PTCMD); + + /* Wait on the complete */ + return psc_wait(domain_num); +} + +/* + * FUNCTION PURPOSE: Power up a module + * + * DESCRIPTION: Powers up the requested module and the associated power domain + * if required. No action is taken it the module is already + * powered up. + * + * Returns 0 on success, -1 if the module can't be powered up, or + * if there is a timeout waiting for the transition. + */ +int psc_enable_module(u32 mod_num) +{ + u32 mdctl; + + /* Set the bit to apply reset */ + mdctl = __raw_readl(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); + if ((mdctl & 0x3f) == PSC_REG_VAL_MDSTAT_STATE_ON) + return 0; + + return psc_set_state(mod_num, PSC_REG_VAL_MDCTL_NEXT_ON); +} + +/* + * FUNCTION PURPOSE: Power down a module + * + * DESCRIPTION: Powers down the requested module. + * + * Returns 0 on success, -1 on failure or timeout. + */ +int psc_disable_module(u32 mod_num) +{ + u32 mdctl; + + /* Set the bit to apply reset */ + mdctl = __raw_readl(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); + if ((mdctl & 0x3f) == 0) + return 0; + mdctl = PSC_REG_MDCTL_SET_LRSTZ(mdctl, 0); + __raw_writel(mdctl, KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); + + return psc_set_state(mod_num, PSC_REG_VAL_MDCTL_NEXT_SWRSTDISABLE); +} + +/* + * FUNCTION PURPOSE: Set the reset isolation bit in mdctl + * + * DESCRIPTION: The reset isolation enable bit is set. The state of the module + * is not changed. Returns 0 if the module config showed that + * reset isolation is supported. Returns 1 otherwise. This is not + * an error, but setting the bit in mdctl has no effect. + */ +int psc_set_reset_iso(u32 mod_num) +{ + u32 v; + u32 mdctl; + + /* Set the reset isolation bit */ + mdctl = __raw_readl(KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); + mdctl = PSC_REG_MDCTL_SET_RESET_ISO(mdctl, 1); + __raw_writel(mdctl, KS2_PSC_BASE + PSC_REG_MDCTL(mod_num)); + + v = __raw_readl(KS2_PSC_BASE + PSC_REG_MDCFG(mod_num)); + if (PSC_REG_MDCFG_GET_RESET_ISO(v) == 1) + return 0; + + return 1; +} + +/* + * FUNCTION PURPOSE: Disable a power domain + * + * DESCRIPTION: The power domain is disabled + */ +int psc_disable_domain(u32 domain_num) +{ + u32 pdctl; + u32 ptcmd; + + pdctl = __raw_readl(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); + __raw_writel(pdctl, KS2_PSC_BASE + PSC_REG_PDCTL(domain_num)); + + ptcmd = __raw_readl(KS2_PSC_BASE + PSC_REG_PTCMD); + ptcmd |= (u32)(1 << domain_num); + __raw_writel(ptcmd, KS2_PSC_BASE + PSC_REG_PTCMD); + + return psc_wait(domain_num); +} |