diff options
Diffstat (limited to 'arch/arm/cpu/armv7')
35 files changed, 1191 insertions, 368 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c index 97c00b4925..fb654bb836 100644 --- a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c +++ b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c @@ -98,6 +98,7 @@ void enable_basic_clocks(void) &cmper->emiffwclkctrl, &cmper->emifclkctrl, &cmper->otfaemifclkctrl, + &cmper->qspiclkctrl, 0 }; diff --git a/arch/arm/cpu/armv7/am33xx/config.mk b/arch/arm/cpu/armv7/am33xx/config.mk index 8e3668f781..5294d16708 100644 --- a/arch/arm/cpu/armv7/am33xx/config.mk +++ b/arch/arm/cpu/armv7/am33xx/config.mk @@ -4,8 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ # ifdef CONFIG_SPL_BUILD -ALL-y += $(OBJTREE)/MLO -ALL-$(CONFIG_SPL_SPI_SUPPORT) += $(OBJTREE)/MLO.byteswap +ALL-y += MLO +ALL-$(CONFIG_SPL_SPI_SUPPORT) += MLO.byteswap else -ALL-y += $(obj)u-boot.img +ALL-y += u-boot.img endif diff --git a/arch/arm/cpu/armv7/config.mk b/arch/arm/cpu/armv7/config.mk index 38b7c401f8..247b7a522a 100644 --- a/arch/arm/cpu/armv7/config.mk +++ b/arch/arm/cpu/armv7/config.mk @@ -13,13 +13,3 @@ PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_ARMV7) # SEE README.arm-unaligned-accesses PF_NO_UNALIGNED := $(call cc-option, -mno-unaligned-access,) PLATFORM_NO_UNALIGNED := $(PF_NO_UNALIGNED) - -ifneq ($(CONFIG_IMX_CONFIG),) -ifdef CONFIG_SPL -ifdef CONFIG_SPL_BUILD -ALL-y += $(OBJTREE)/SPL -endif -else -ALL-y += $(obj)u-boot.imx -endif -endif diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 5bde9d180b..1fea4d6663 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -26,7 +26,7 @@ struct clk_bit_info { }; /* src_bit div_bit prediv_bit */ -static struct clk_bit_info clk_bit_info[PERIPH_ID_COUNT] = { +static struct clk_bit_info clk_bit_info[] = { {0, 0, -1}, {4, 4, -1}, {8, 8, -1}, @@ -870,7 +870,6 @@ static void exynos4_set_mmc_clk(int dev_index, unsigned int div) struct exynos4_clock *clk = (struct exynos4_clock *)samsung_get_base_clock(); unsigned int addr; - unsigned int val; /* * CLK_DIV_FSYS1 @@ -890,10 +889,8 @@ static void exynos4_set_mmc_clk(int dev_index, unsigned int div) dev_index -= 2; } - val = readl(addr); - val &= ~(0xff << ((dev_index << 4) + 8)); - val |= (div & 0xff) << ((dev_index << 4) + 8); - writel(val, addr); + clrsetbits_le32(addr, 0xff << ((dev_index << 4) + 8), + (div & 0xff) << ((dev_index << 4) + 8)); } /* exynos4x12: set the mmc clock */ @@ -902,7 +899,6 @@ static void exynos4x12_set_mmc_clk(int dev_index, unsigned int div) struct exynos4x12_clock *clk = (struct exynos4x12_clock *)samsung_get_base_clock(); unsigned int addr; - unsigned int val; /* * CLK_DIV_FSYS1 @@ -917,10 +913,8 @@ static void exynos4x12_set_mmc_clk(int dev_index, unsigned int div) dev_index -= 2; } - val = readl(addr); - val &= ~(0xff << ((dev_index << 4) + 8)); - val |= (div & 0xff) << ((dev_index << 4) + 8); - writel(val, addr); + clrsetbits_le32(addr, 0xff << ((dev_index << 4) + 8), + (div & 0xff) << ((dev_index << 4) + 8)); } /* exynos5: set the mmc clock */ @@ -929,7 +923,6 @@ static void exynos5_set_mmc_clk(int dev_index, unsigned int div) struct exynos5_clock *clk = (struct exynos5_clock *)samsung_get_base_clock(); unsigned int addr; - unsigned int val; /* * CLK_DIV_FSYS1 @@ -944,10 +937,8 @@ static void exynos5_set_mmc_clk(int dev_index, unsigned int div) dev_index -= 2; } - val = readl(addr); - val &= ~(0xff << ((dev_index << 4) + 8)); - val |= (div & 0xff) << ((dev_index << 4) + 8); - writel(val, addr); + clrsetbits_le32(addr, 0xff << ((dev_index << 4) + 8), + (div & 0xff) << ((dev_index << 4) + 8)); } /* exynos5: set the mmc clock */ @@ -956,7 +947,7 @@ static void exynos5420_set_mmc_clk(int dev_index, unsigned int div) struct exynos5420_clock *clk = (struct exynos5420_clock *)samsung_get_base_clock(); unsigned int addr; - unsigned int val, shift; + unsigned int shift; /* * CLK_DIV_FSYS1 @@ -967,10 +958,7 @@ static void exynos5420_set_mmc_clk(int dev_index, unsigned int div) addr = (unsigned int)&clk->div_fsys1; shift = dev_index * 10; - val = readl(addr); - val &= ~(0x3ff << shift); - val |= (div & 0x3ff) << shift; - writel(val, addr); + clrsetbits_le32(addr, 0x3ff << shift, (div & 0x3ff) << shift); } /* get_lcd_clk: return lcd clock frequency */ @@ -1061,7 +1049,6 @@ void exynos4_set_lcd_clk(void) { struct exynos4_clock *clk = (struct exynos4_clock *)samsung_get_base_clock(); - unsigned int cfg = 0; /* * CLK_GATE_BLOCK @@ -1073,9 +1060,7 @@ void exynos4_set_lcd_clk(void) * CLK_LCD1 [5] * CLK_GPS [7] */ - cfg = readl(&clk->gate_block); - cfg |= 1 << 4; - writel(cfg, &clk->gate_block); + setbits_le32(&clk->gate_block, 1 << 4); /* * CLK_SRC_LCD0 @@ -1085,10 +1070,7 @@ void exynos4_set_lcd_clk(void) * MIPI0_SEL [12:15] * set lcd0 src clock 0x6: SCLK_MPLL */ - cfg = readl(&clk->src_lcd0); - cfg &= ~(0xf); - cfg |= 0x6; - writel(cfg, &clk->src_lcd0); + clrsetbits_le32(&clk->src_lcd0, 0xf, 0x6); /* * CLK_GATE_IP_LCD0 @@ -1100,9 +1082,7 @@ void exynos4_set_lcd_clk(void) * CLK_PPMULCD0 [5] * Gating all clocks for FIMD0 */ - cfg = readl(&clk->gate_ip_lcd0); - cfg |= 1 << 0; - writel(cfg, &clk->gate_ip_lcd0); + setbits_le32(&clk->gate_ip_lcd0, 1 << 0); /* * CLK_DIV_LCD0 @@ -1114,16 +1094,13 @@ void exynos4_set_lcd_clk(void) * MIPI0_PRE_RATIO [23:20] * set fimd ratio */ - cfg &= ~(0xf); - cfg |= 0x1; - writel(cfg, &clk->div_lcd0); + clrsetbits_le32(&clk->div_lcd0, 0xf, 0x1); } void exynos5_set_lcd_clk(void) { struct exynos5_clock *clk = (struct exynos5_clock *)samsung_get_base_clock(); - unsigned int cfg = 0; /* * CLK_GATE_BLOCK @@ -1135,9 +1112,7 @@ void exynos5_set_lcd_clk(void) * CLK_LCD1 [5] * CLK_GPS [7] */ - cfg = readl(&clk->gate_block); - cfg |= 1 << 4; - writel(cfg, &clk->gate_block); + setbits_le32(&clk->gate_block, 1 << 4); /* * CLK_SRC_LCD0 @@ -1147,10 +1122,7 @@ void exynos5_set_lcd_clk(void) * MIPI0_SEL [12:15] * set lcd0 src clock 0x6: SCLK_MPLL */ - cfg = readl(&clk->src_disp1_0); - cfg &= ~(0xf); - cfg |= 0x6; - writel(cfg, &clk->src_disp1_0); + clrsetbits_le32(&clk->src_disp1_0, 0xf, 0x6); /* * CLK_GATE_IP_LCD0 @@ -1162,9 +1134,7 @@ void exynos5_set_lcd_clk(void) * CLK_PPMULCD0 [5] * Gating all clocks for FIMD0 */ - cfg = readl(&clk->gate_ip_disp1); - cfg |= 1 << 0; - writel(cfg, &clk->gate_ip_disp1); + setbits_le32(&clk->gate_ip_disp1, 1 << 0); /* * CLK_DIV_LCD0 @@ -1176,16 +1146,13 @@ void exynos5_set_lcd_clk(void) * MIPI0_PRE_RATIO [23:20] * set fimd ratio */ - cfg &= ~(0xf); - cfg |= 0x0; - writel(cfg, &clk->div_disp1_0); + clrsetbits_le32(&clk->div_disp1_0, 0xf, 0x0); } void exynos4_set_mipi_clk(void) { struct exynos4_clock *clk = (struct exynos4_clock *)samsung_get_base_clock(); - unsigned int cfg = 0; /* * CLK_SRC_LCD0 @@ -1195,10 +1162,7 @@ void exynos4_set_mipi_clk(void) * MIPI0_SEL [12:15] * set mipi0 src clock 0x6: SCLK_MPLL */ - cfg = readl(&clk->src_lcd0); - cfg &= ~(0xf << 12); - cfg |= (0x6 << 12); - writel(cfg, &clk->src_lcd0); + clrsetbits_le32(&clk->src_lcd0, 0xf << 12, 0x6 << 12); /* * CLK_SRC_MASK_LCD0 @@ -1208,9 +1172,7 @@ void exynos4_set_mipi_clk(void) * MIPI0_MASK [12] * set src mask mipi0 0x1: Unmask */ - cfg = readl(&clk->src_mask_lcd0); - cfg |= (0x1 << 12); - writel(cfg, &clk->src_mask_lcd0); + setbits_le32(&clk->src_mask_lcd0, 0x1 << 12); /* * CLK_GATE_IP_LCD0 @@ -1222,9 +1184,7 @@ void exynos4_set_mipi_clk(void) * CLK_PPMULCD0 [5] * Gating all clocks for MIPI0 */ - cfg = readl(&clk->gate_ip_lcd0); - cfg |= 1 << 3; - writel(cfg, &clk->gate_ip_lcd0); + setbits_le32(&clk->gate_ip_lcd0, 1 << 3); /* * CLK_DIV_LCD0 @@ -1236,9 +1196,7 @@ void exynos4_set_mipi_clk(void) * MIPI0_PRE_RATIO [23:20] * set mipi ratio */ - cfg &= ~(0xf << 16); - cfg |= (0x1 << 16); - writel(cfg, &clk->div_lcd0); + clrsetbits_le32(&clk->div_lcd0, 0xf << 16, 0x1 << 16); } /* diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 904177a149..645c497370 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -751,12 +751,7 @@ static int exynos5_pinmux_decode_periph_id(const void *blob, int node) if (err) return PERIPH_ID_NONE; - /* check for invalid peripheral id */ - if ((PERIPH_ID_SDMMC4 > cell[1]) || (cell[1] < PERIPH_ID_UART0)) - return cell[1]; - - debug(" invalid peripheral id\n"); - return PERIPH_ID_NONE; + return cell[1]; } int pinmux_decode_periph_id(const void *blob, int node) diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index 5617a410da..bd65a08ba2 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -409,20 +409,15 @@ u32 imx_get_uartclk(void) u32 imx_get_fecclk(void) { - return decode_pll(PLL_ENET, MXC_HCLK); + return mxc_get_clock(MXC_IPG_CLK); } -int enable_sata_clock(void) +static int enable_enet_pll(uint32_t en) { - u32 reg = 0; - s32 timeout = 100000; struct mxc_ccm_reg *const imx_ccm = (struct mxc_ccm_reg *) CCM_BASE_ADDR; - - /* Enable sata clock */ - reg = readl(&imx_ccm->CCGR5); /* CCGR5 */ - reg |= MXC_CCM_CCGR5_SATA_MASK; - writel(reg, &imx_ccm->CCGR5); + s32 timeout = 100000; + u32 reg = 0; /* Enable PLLs */ reg = readl(&imx_ccm->analog_pll_enet); @@ -437,10 +432,70 @@ int enable_sata_clock(void) return -EIO; reg &= ~BM_ANADIG_PLL_SYS_BYPASS; writel(reg, &imx_ccm->analog_pll_enet); - reg |= BM_ANADIG_PLL_ENET_ENABLE_SATA; + reg |= en; writel(reg, &imx_ccm->analog_pll_enet); + return 0; +} - return 0 ; +static void ungate_sata_clock(void) +{ + struct mxc_ccm_reg *const imx_ccm = + (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + /* Enable SATA clock. */ + setbits_le32(&imx_ccm->CCGR5, MXC_CCM_CCGR5_SATA_MASK); +} + +static void ungate_pcie_clock(void) +{ + struct mxc_ccm_reg *const imx_ccm = + (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + /* Enable PCIe clock. */ + setbits_le32(&imx_ccm->CCGR4, MXC_CCM_CCGR4_PCIE_MASK); +} + +int enable_sata_clock(void) +{ + ungate_sata_clock(); + return enable_enet_pll(BM_ANADIG_PLL_ENET_ENABLE_SATA); +} + +int enable_pcie_clock(void) +{ + struct anatop_regs *anatop_regs = + (struct anatop_regs *)ANATOP_BASE_ADDR; + struct mxc_ccm_reg *ccm_regs = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + /* + * Here be dragons! + * + * The register ANATOP_MISC1 is not documented in the Freescale + * MX6RM. The register that is mapped in the ANATOP space and + * marked as ANATOP_MISC1 is actually documented in the PMU section + * of the datasheet as PMU_MISC1. + * + * Switch LVDS clock source to SATA (0xb), disable clock INPUT and + * enable clock OUTPUT. This is important for PCI express link that + * is clocked from the i.MX6. + */ +#define ANADIG_ANA_MISC1_LVDSCLK1_IBEN (1 << 12) +#define ANADIG_ANA_MISC1_LVDSCLK1_OBEN (1 << 10) +#define ANADIG_ANA_MISC1_LVDS1_CLK_SEL_MASK 0x0000001F + clrsetbits_le32(&anatop_regs->ana_misc1, + ANADIG_ANA_MISC1_LVDSCLK1_IBEN | + ANADIG_ANA_MISC1_LVDS1_CLK_SEL_MASK, + ANADIG_ANA_MISC1_LVDSCLK1_OBEN | 0xb); + + /* PCIe reference clock sourced from AXI. */ + clrbits_le32(&ccm_regs->cbcmr, MXC_CCM_CBCMR_PCIE_AXI_CLK_SEL); + + /* Party time! Ungate the clock to the PCIe. */ + ungate_sata_clock(); + ungate_pcie_clock(); + + return enable_enet_pll(BM_ANADIG_PLL_ENET_ENABLE_SATA | + BM_ANADIG_PLL_ENET_ENABLE_PCIE); } unsigned int mxc_get_clock(enum mxc_clock clk) diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 0208cba9cc..172527987d 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -8,6 +8,8 @@ */ #include <common.h> +#include <asm/armv7.h> +#include <asm/pl310.h> #include <asm/errno.h> #include <asm/io.h> #include <asm/arch/imx-regs.h> @@ -41,14 +43,19 @@ u32 get_cpu_rev(void) if (type != MXC_CPU_MX6SL) { reg = readl(&anatop->digprog); + struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR; + u32 cfg = readl(&scu->config) & 3; type = ((reg >> 16) & 0xff); if (type == MXC_CPU_MX6DL) { - struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR; - u32 cfg = readl(&scu->config) & 3; - if (!cfg) type = MXC_CPU_MX6SOLO; } + + if (type == MXC_CPU_MX6Q) { + if (cfg == 1) + type = MXC_CPU_MX6D; + } + } reg &= 0xff; /* mx6 silicon revision */ return (type << 12) | (reg + 0x10); @@ -62,6 +69,9 @@ u32 __weak get_board_rev(void) if (type == MXC_CPU_MX6SOLO) cpurev = (MXC_CPU_MX6DL) << 12 | (cpurev & 0xFFF); + if (type == MXC_CPU_MX6D) + cpurev = (MXC_CPU_MX6Q) << 12 | (cpurev & 0xFFF); + return cpurev; } #endif @@ -177,10 +187,41 @@ static void imx_set_wdog_powerdown(bool enable) writew(enable, &wdog2->wmcr); } +static void set_ahb_rate(u32 val) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + u32 reg, div; + + div = get_periph_clk() / val - 1; + reg = readl(&mxc_ccm->cbcdr); + + writel((reg & (~MXC_CCM_CBCDR_AHB_PODF_MASK)) | + (div << MXC_CCM_CBCDR_AHB_PODF_OFFSET), &mxc_ccm->cbcdr); +} + +static void clear_mmdc_ch_mask(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + /* Clear MMDC channel mask */ + writel(0, &mxc_ccm->ccdr); +} + int arch_cpu_init(void) { init_aips(); + /* Need to clear MMDC_CHx_MASK to make warm reset work. */ + clear_mmdc_ch_mask(); + + /* + * When low freq boot is enabled, ROM will not set AHB + * freq, so we need to ensure AHB freq is 132MHz in such + * scenario. + */ + if (mxc_get_clock(MXC_ARM_CLK) == 396000000) + set_ahb_rate(132000000); + imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */ #ifdef CONFIG_APBH_DMA @@ -336,3 +377,59 @@ void imx_setup_hdmi(void) writel(reg, &mxc_ccm->chsccdr); } #endif + +#ifndef CONFIG_SYS_L2CACHE_OFF +#define IOMUXC_GPR11_L2CACHE_AS_OCRAM 0x00000002 +void v7_outer_cache_enable(void) +{ + struct pl310_regs *const pl310 = (struct pl310_regs *)L2_PL310_BASE; + unsigned int val; + +#if defined CONFIG_MX6SL + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + val = readl(&iomux->gpr[11]); + if (val & IOMUXC_GPR11_L2CACHE_AS_OCRAM) { + /* L2 cache configured as OCRAM, reset it */ + val &= ~IOMUXC_GPR11_L2CACHE_AS_OCRAM; + writel(val, &iomux->gpr[11]); + } +#endif + + writel(0x132, &pl310->pl310_tag_latency_ctrl); + writel(0x132, &pl310->pl310_data_latency_ctrl); + + val = readl(&pl310->pl310_prefetch_ctrl); + + /* Turn on the L2 I/D prefetch */ + val |= 0x30000000; + + /* + * The L2 cache controller(PL310) version on the i.MX6D/Q is r3p1-50rel0 + * The L2 cache controller(PL310) version on the i.MX6DL/SOLO/SL is r3p2 + * But according to ARM PL310 errata: 752271 + * ID: 752271: Double linefill feature can cause data corruption + * Fault Status: Present in: r3p0, r3p1, r3p1-50rel0. Fixed in r3p2 + * Workaround: The only workaround to this erratum is to disable the + * double linefill feature. This is the default behavior. + */ + +#ifndef CONFIG_MX6Q + val |= 0x40800000; +#endif + writel(val, &pl310->pl310_prefetch_ctrl); + + val = readl(&pl310->pl310_power_ctrl); + val |= L2X0_DYNAMIC_CLK_GATING_EN; + val |= L2X0_STNDBY_MODE_EN; + writel(val, &pl310->pl310_power_ctrl); + + setbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN); +} + +void v7_outer_cache_disable(void) +{ + struct pl310_regs *const pl310 = (struct pl310_regs *)L2_PL310_BASE; + + clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN); +} +#endif /* !CONFIG_SYS_L2CACHE_OFF */ diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index 69fff323d3..52e0f4a6cf 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -66,7 +66,18 @@ u32 spl_boot_device(void) u32 spl_boot_mode(void) { - return gd->arch.omap_boot_params.omap_bootmode; + u32 val = gd->arch.omap_boot_params.omap_bootmode; + + if (val == MMCSD_MODE_RAW) + return MMCSD_MODE_RAW; + else if (val == MMCSD_MODE_FAT) + return MMCSD_MODE_FAT; + else +#ifdef CONFIG_SUPPORT_EMMC_BOOT + return MMCSD_MODE_EMMCBOOT; +#else + return MMCSD_MODE_UNDEFINED; +#endif } void spl_board_init(void) diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c index dfa3760dfc..8e7411d437 100644 --- a/arch/arm/cpu/armv7/omap-common/clocks-common.c +++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c @@ -418,55 +418,6 @@ static void setup_dplls(void) #endif } -#ifdef CONFIG_SYS_CLOCKS_ENABLE_ALL -static void setup_non_essential_dplls(void) -{ - u32 abe_ref_clk; - const struct dpll_params *params; - - /* IVA */ - clrsetbits_le32((*prcm)->cm_bypclk_dpll_iva, - CM_BYPCLK_DPLL_IVA_CLKSEL_MASK, DPLL_IVA_CLKSEL_CORE_X2_DIV_2); - - params = get_iva_dpll_params(*dplls_data); - do_setup_dpll((*prcm)->cm_clkmode_dpll_iva, params, DPLL_LOCK, "iva"); - - /* Configure ABE dpll */ - params = get_abe_dpll_params(*dplls_data); -#ifdef CONFIG_SYS_OMAP_ABE_SYSCK - abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK; - - if (omap_revision() == DRA752_ES1_0) - /* Select the sys clk for dpll_abe */ - clrsetbits_le32((*prcm)->cm_abe_pll_sys_clksel, - CM_CLKSEL_ABE_PLL_SYS_CLKSEL_MASK, - CM_ABE_PLL_SYS_CLKSEL_SYSCLK2); -#else - abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK; - /* - * We need to enable some additional options to achieve - * 196.608MHz from 32768 Hz - */ - setbits_le32((*prcm)->cm_clkmode_dpll_abe, - CM_CLKMODE_DPLL_DRIFTGUARD_EN_MASK| - CM_CLKMODE_DPLL_RELOCK_RAMP_EN_MASK| - CM_CLKMODE_DPLL_LPMODE_EN_MASK| - CM_CLKMODE_DPLL_REGM4XEN_MASK); - /* Spend 4 REFCLK cycles at each stage */ - clrsetbits_le32((*prcm)->cm_clkmode_dpll_abe, - CM_CLKMODE_DPLL_RAMP_RATE_MASK, - 1 << CM_CLKMODE_DPLL_RAMP_RATE_SHIFT); -#endif - - /* Select the right reference clk */ - clrsetbits_le32((*prcm)->cm_abe_pll_ref_clksel, - CM_ABE_PLL_REF_CLKSEL_CLKSEL_MASK, - abe_ref_clk << CM_ABE_PLL_REF_CLKSEL_CLKSEL_SHIFT); - /* Lock the dpll */ - do_setup_dpll((*prcm)->cm_clkmode_dpll_abe, params, DPLL_LOCK, "abe"); -} -#endif - u32 get_offset_code(u32 volt_offset, struct pmic_data *pmic) { u32 offset_code; @@ -760,10 +711,6 @@ void prcm_init(void) timer_init(); scale_vcores(*omap_vcores); setup_dplls(); -#ifdef CONFIG_SYS_CLOCKS_ENABLE_ALL - setup_non_essential_dplls(); - enable_non_essential_clocks(); -#endif setup_warmreset_time(); break; default: diff --git a/arch/arm/cpu/armv7/omap-common/config.mk b/arch/arm/cpu/armv7/omap-common/config.mk deleted file mode 100644 index 3a36ab65e1..0000000000 --- a/arch/arm/cpu/armv7/omap-common/config.mk +++ /dev/null @@ -1,9 +0,0 @@ -# -# (C) Copyright 2002 -# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> -# -# SPDX-License-Identifier: GPL-2.0+ -# - -# Make ARMv5 to allow more compilers to work, even though its v7a. -PLATFORM_CPPFLAGS += -march=armv5 diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index cd6289b4fc..429c4becf3 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -179,8 +179,7 @@ void emif_update_timings(u32 base, const struct emif_regs *regs) writel(regs->temp_alert_config, &emif->emif_temp_alert_config); writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1_shdw); - if ((omap_revision() >= OMAP5430_ES1_0) || - (omap_revision() == DRA752_ES1_0)) { + if ((omap_revision() >= OMAP5430_ES1_0) || is_dra7xx()) { writel(EMIF_L3_CONFIG_VAL_SYS_10_MPU_5_LL_0, &emif->emif_l3_config); } else if (omap_revision() >= OMAP4460_ES1_0) { @@ -309,7 +308,7 @@ static void ddr3_init(u32 base, const struct emif_regs *regs) * The same sequence should work on OMAP5432 as well. But strange that * it is not working */ - if (omap_revision() == DRA752_ES1_0) { + if (is_dra7xx()) { do_ext_phy_settings(base, regs); writel(regs->sdram_config2, &emif->emif_lpddr2_nvm_config); writel(regs->sdram_config_init, &emif->emif_sdram_config); diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c index 85d375432f..ade744e31f 100644 --- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c +++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c @@ -43,16 +43,10 @@ static void set_mux_conf_regs(void) set_muxconf_regs_essential(); break; case OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL: -#ifdef CONFIG_SYS_ENABLE_PADS_ALL - set_muxconf_regs_non_essential(); -#endif break; case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR: case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH: set_muxconf_regs_essential(); -#ifdef CONFIG_SYS_ENABLE_PADS_ALL - set_muxconf_regs_non_essential(); -#endif break; } } @@ -254,6 +248,7 @@ u32 get_device_type(void) (DEVICE_TYPE_MASK)) >> DEVICE_TYPE_SHIFT; } +#if defined(CONFIG_DISPLAY_CPUINFO) /* * Print CPU information */ @@ -264,6 +259,8 @@ int print_cpuinfo(void) return 0; } +#endif + #ifndef CONFIG_SYS_DCACHE_OFF void enable_caches(void) { diff --git a/arch/arm/cpu/armv7/omap-common/sata.c b/arch/arm/cpu/armv7/omap-common/sata.c index f5468c4c97..cad4feed00 100644 --- a/arch/arm/cpu/armv7/omap-common/sata.c +++ b/arch/arm/cpu/armv7/omap-common/sata.c @@ -12,6 +12,7 @@ #include <scsi.h> #include <asm/arch/clock.h> #include <asm/arch/sata.h> +#include <sata.h> #include <asm/io.h> #include "pipe3-phy.h" @@ -31,7 +32,7 @@ struct omap_pipe3 sata_phy = { .dpll_map = dpll_map_sata, }; -int omap_sata_init(void) +int init_sata(int dev) { int ret; u32 val; diff --git a/arch/arm/cpu/armv7/omap3/config.mk b/arch/arm/cpu/armv7/omap3/config.mk index 1d6a57c66c..ad44d63840 100644 --- a/arch/arm/cpu/armv7/omap3/config.mk +++ b/arch/arm/cpu/armv7/omap3/config.mk @@ -9,7 +9,7 @@ # SPDX-License-Identifier: GPL-2.0+ # ifdef CONFIG_SPL_BUILD -ALL-y += $(OBJTREE)/MLO +ALL-y += MLO else -ALL-y += $(obj)u-boot.img +ALL-y += u-boot.img endif diff --git a/arch/arm/cpu/armv7/omap4/config.mk b/arch/arm/cpu/armv7/omap4/config.mk index 1d6a57c66c..ad44d63840 100644 --- a/arch/arm/cpu/armv7/omap4/config.mk +++ b/arch/arm/cpu/armv7/omap4/config.mk @@ -9,7 +9,7 @@ # SPDX-License-Identifier: GPL-2.0+ # ifdef CONFIG_SPL_BUILD -ALL-y += $(OBJTREE)/MLO +ALL-y += MLO else -ALL-y += $(obj)u-boot.img +ALL-y += u-boot.img endif diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c b/arch/arm/cpu/armv7/omap4/hw_data.c index 1b2f439241..4dec73e9ec 100644 --- a/arch/arm/cpu/armv7/omap4/hw_data.c +++ b/arch/arm/cpu/armv7/omap4/hw_data.c @@ -399,91 +399,6 @@ void enable_basic_uboot_clocks(void) 1); } -/* - * Enable non-essential clock domains, modules and - * do some additional special settings needed - */ -void enable_non_essential_clocks(void) -{ - u32 const clk_domains_non_essential[] = { - (*prcm)->cm_mpu_m3_clkstctrl, - (*prcm)->cm_ivahd_clkstctrl, - (*prcm)->cm_dsp_clkstctrl, - (*prcm)->cm_dss_clkstctrl, - (*prcm)->cm_sgx_clkstctrl, - (*prcm)->cm1_abe_clkstctrl, - (*prcm)->cm_c2c_clkstctrl, - (*prcm)->cm_cam_clkstctrl, - (*prcm)->cm_dss_clkstctrl, - (*prcm)->cm_sdma_clkstctrl, - 0 - }; - - u32 const clk_modules_hw_auto_non_essential[] = { - (*prcm)->cm_l3instr_l3_3_clkctrl, - (*prcm)->cm_l3instr_l3_instr_clkctrl, - (*prcm)->cm_l3instr_intrconn_wp1_clkctrl, - (*prcm)->cm_l3init_hsi_clkctrl, - 0 - }; - - u32 const clk_modules_explicit_en_non_essential[] = { - (*prcm)->cm1_abe_aess_clkctrl, - (*prcm)->cm1_abe_pdm_clkctrl, - (*prcm)->cm1_abe_dmic_clkctrl, - (*prcm)->cm1_abe_mcasp_clkctrl, - (*prcm)->cm1_abe_mcbsp1_clkctrl, - (*prcm)->cm1_abe_mcbsp2_clkctrl, - (*prcm)->cm1_abe_mcbsp3_clkctrl, - (*prcm)->cm1_abe_slimbus_clkctrl, - (*prcm)->cm1_abe_timer5_clkctrl, - (*prcm)->cm1_abe_timer6_clkctrl, - (*prcm)->cm1_abe_timer7_clkctrl, - (*prcm)->cm1_abe_timer8_clkctrl, - (*prcm)->cm1_abe_wdt3_clkctrl, - (*prcm)->cm_l4per_gptimer9_clkctrl, - (*prcm)->cm_l4per_gptimer10_clkctrl, - (*prcm)->cm_l4per_gptimer11_clkctrl, - (*prcm)->cm_l4per_gptimer3_clkctrl, - (*prcm)->cm_l4per_gptimer4_clkctrl, - (*prcm)->cm_l4per_hdq1w_clkctrl, - (*prcm)->cm_l4per_mcbsp4_clkctrl, - (*prcm)->cm_l4per_mcspi2_clkctrl, - (*prcm)->cm_l4per_mcspi3_clkctrl, - (*prcm)->cm_l4per_mcspi4_clkctrl, - (*prcm)->cm_l4per_mmcsd3_clkctrl, - (*prcm)->cm_l4per_mmcsd4_clkctrl, - (*prcm)->cm_l4per_mmcsd5_clkctrl, - (*prcm)->cm_l4per_uart1_clkctrl, - (*prcm)->cm_l4per_uart2_clkctrl, - (*prcm)->cm_l4per_uart4_clkctrl, - (*prcm)->cm_wkup_keyboard_clkctrl, - (*prcm)->cm_wkup_wdtimer2_clkctrl, - (*prcm)->cm_cam_iss_clkctrl, - (*prcm)->cm_cam_fdif_clkctrl, - (*prcm)->cm_dss_dss_clkctrl, - (*prcm)->cm_sgx_sgx_clkctrl, - 0 - }; - - /* Enable optional functional clock for ISS */ - setbits_le32((*prcm)->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK); - - /* Enable all optional functional clocks of DSS */ - setbits_le32((*prcm)->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK); - - do_enable_clocks(clk_domains_non_essential, - clk_modules_hw_auto_non_essential, - clk_modules_explicit_en_non_essential, - 0); - - /* Put camera module in no sleep mode */ - clrsetbits_le32((*prcm)->cm_cam_clkstctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - CD_CLKCTRL_CLKTRCTRL_NO_SLEEP << - MODULE_CLKCTRL_MODULEMODE_SHIFT); -} - void hw_data_init(void) { u32 omap_rev = omap_revision(); diff --git a/arch/arm/cpu/armv7/omap5/abb.c b/arch/arm/cpu/armv7/omap5/abb.c index 31b679516f..3bf88979e5 100644 --- a/arch/arm/cpu/armv7/omap5/abb.c +++ b/arch/arm/cpu/armv7/omap5/abb.c @@ -28,18 +28,25 @@ s8 abb_setup_ldovbb(u32 fuse, u32 ldovbb) { u32 vset; + u32 fuse_enable_mask = OMAP5_ABB_FUSE_ENABLE_MASK; + u32 fuse_vset_mask = OMAP5_ABB_FUSE_VSET_MASK; + if (!is_omap54xx()) { + /* DRA7 */ + fuse_enable_mask = DRA7_ABB_FUSE_ENABLE_MASK; + fuse_vset_mask = DRA7_ABB_FUSE_VSET_MASK; + } /* * ABB parameters must be properly fused * otherwise ABB should be disabled */ vset = readl(fuse); - if (!(vset & OMAP5_ABB_FUSE_ENABLE_MASK)) + if (!(vset & fuse_enable_mask)) return -1; /* prepare VSET value for LDOVBB mux register */ - vset &= OMAP5_ABB_FUSE_VSET_MASK; - vset >>= ffs(OMAP5_ABB_FUSE_VSET_MASK) - 1; + vset &= fuse_vset_mask; + vset >>= ffs(fuse_vset_mask) - 1; vset <<= ffs(OMAP5_ABB_LDOVBBMPU_VSET_OUT_MASK) - 1; vset |= OMAP5_ABB_LDOVBBMPU_MUX_CTRL_MASK; diff --git a/arch/arm/cpu/armv7/omap5/config.mk b/arch/arm/cpu/armv7/omap5/config.mk index 2673af9668..ef2725affa 100644 --- a/arch/arm/cpu/armv7/omap5/config.mk +++ b/arch/arm/cpu/armv7/omap5/config.mk @@ -7,7 +7,7 @@ # ifdef CONFIG_SPL_BUILD -ALL-y += $(OBJTREE)/MLO +ALL-y += MLO else -ALL-y += $(obj)u-boot.img +ALL-y += u-boot.img endif diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 5268a1fca5..ad971327bf 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -486,94 +486,6 @@ void enable_basic_uboot_clocks(void) 1); } -/* - * Enable non-essential clock domains, modules and - * do some additional special settings needed - */ -void enable_non_essential_clocks(void) -{ - u32 const clk_domains_non_essential[] = { - (*prcm)->cm_mpu_m3_clkstctrl, - (*prcm)->cm_ivahd_clkstctrl, - (*prcm)->cm_dsp_clkstctrl, - (*prcm)->cm_dss_clkstctrl, - (*prcm)->cm_sgx_clkstctrl, - (*prcm)->cm1_abe_clkstctrl, - (*prcm)->cm_c2c_clkstctrl, - (*prcm)->cm_cam_clkstctrl, - (*prcm)->cm_dss_clkstctrl, - (*prcm)->cm_sdma_clkstctrl, - 0 - }; - - u32 const clk_modules_hw_auto_non_essential[] = { - (*prcm)->cm_mpu_m3_mpu_m3_clkctrl, - (*prcm)->cm_ivahd_ivahd_clkctrl, - (*prcm)->cm_ivahd_sl2_clkctrl, - (*prcm)->cm_dsp_dsp_clkctrl, - (*prcm)->cm_l3instr_l3_3_clkctrl, - (*prcm)->cm_l3instr_l3_instr_clkctrl, - (*prcm)->cm_l3instr_intrconn_wp1_clkctrl, - (*prcm)->cm_l3init_hsi_clkctrl, - (*prcm)->cm_l4per_hdq1w_clkctrl, - 0 - }; - - u32 const clk_modules_explicit_en_non_essential[] = { - (*prcm)->cm1_abe_aess_clkctrl, - (*prcm)->cm1_abe_pdm_clkctrl, - (*prcm)->cm1_abe_dmic_clkctrl, - (*prcm)->cm1_abe_mcasp_clkctrl, - (*prcm)->cm1_abe_mcbsp1_clkctrl, - (*prcm)->cm1_abe_mcbsp2_clkctrl, - (*prcm)->cm1_abe_mcbsp3_clkctrl, - (*prcm)->cm1_abe_slimbus_clkctrl, - (*prcm)->cm1_abe_timer5_clkctrl, - (*prcm)->cm1_abe_timer6_clkctrl, - (*prcm)->cm1_abe_timer7_clkctrl, - (*prcm)->cm1_abe_timer8_clkctrl, - (*prcm)->cm1_abe_wdt3_clkctrl, - (*prcm)->cm_l4per_gptimer9_clkctrl, - (*prcm)->cm_l4per_gptimer10_clkctrl, - (*prcm)->cm_l4per_gptimer11_clkctrl, - (*prcm)->cm_l4per_gptimer3_clkctrl, - (*prcm)->cm_l4per_gptimer4_clkctrl, - (*prcm)->cm_l4per_mcspi2_clkctrl, - (*prcm)->cm_l4per_mcspi3_clkctrl, - (*prcm)->cm_l4per_mcspi4_clkctrl, - (*prcm)->cm_l4per_mmcsd3_clkctrl, - (*prcm)->cm_l4per_mmcsd4_clkctrl, - (*prcm)->cm_l4per_mmcsd5_clkctrl, - (*prcm)->cm_l4per_uart1_clkctrl, - (*prcm)->cm_l4per_uart2_clkctrl, - (*prcm)->cm_l4per_uart4_clkctrl, - (*prcm)->cm_wkup_keyboard_clkctrl, - (*prcm)->cm_wkup_wdtimer2_clkctrl, - (*prcm)->cm_cam_iss_clkctrl, - (*prcm)->cm_cam_fdif_clkctrl, - (*prcm)->cm_dss_dss_clkctrl, - (*prcm)->cm_sgx_sgx_clkctrl, - 0 - }; - - /* Enable optional functional clock for ISS */ - setbits_le32((*prcm)->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK); - - /* Enable all optional functional clocks of DSS */ - setbits_le32((*prcm)->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK); - - do_enable_clocks(clk_domains_non_essential, - clk_modules_hw_auto_non_essential, - clk_modules_explicit_en_non_essential, - 0); - - /* Put camera module in no sleep mode */ - clrsetbits_le32((*prcm)->cm_cam_clkstctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - CD_CLKCTRL_CLKTRCTRL_NO_SLEEP << - MODULE_CLKCTRL_MODULEMODE_SHIFT); -} - const struct ctrl_ioregs ioregs_omap5430 = { .ctrl_ddrch = DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, .ctrl_lpddr2ch = DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN, @@ -639,6 +551,7 @@ void hw_data_init(void) break; case DRA752_ES1_0: + case DRA752_ES1_1: *prcm = &dra7xx_prcm; *dplls_data = &dra7xx_dplls; *omap_vcores = &dra752_volts; @@ -666,6 +579,7 @@ void get_ioregs(const struct ctrl_ioregs **regs) *regs = &ioregs_omap5432_es2; break; case DRA752_ES1_0: + case DRA752_ES1_1: *regs = &ioregs_dra7xx_es1; break; diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c index 5386ae0568..737d23ccb4 100644 --- a/arch/arm/cpu/armv7/omap5/hwinit.c +++ b/arch/arm/cpu/armv7/omap5/hwinit.c @@ -333,6 +333,9 @@ void init_omap_revision(void) case DRA752_CONTROL_ID_CODE_ES1_0: *omap_si_rev = DRA752_ES1_0; break; + case DRA752_CONTROL_ID_CODE_ES1_1: + *omap_si_rev = DRA752_ES1_1; + break; default: *omap_si_rev = OMAP5430_SILICON_ID_INVALID; } diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index 77c428b535..ff328070f7 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -432,11 +432,13 @@ struct omap_sys_ctrl_regs const dra7xx_ctrl = { .control_srcomp_code_latch = 0x4A002E84, .control_ddr_control_ext_0 = 0x4A002E88, .control_padconf_core_base = 0x4A003400, + .control_std_fuse_opp_vdd_mpu_2 = 0x4A003B24, .control_port_emif1_sdram_config = 0x4AE0C110, .control_port_emif1_lpddr2_nvm_config = 0x4AE0C114, .control_port_emif2_sdram_config = 0x4AE0C118, .control_emif1_sdram_config_ext = 0x4AE0C144, .control_emif2_sdram_config_ext = 0x4AE0C148, + .control_wkup_ldovbb_mpu_voltage_ctrl = 0x4AE0C158, .control_padconf_mode = 0x4AE0C5A0, .control_xtal_oscillator = 0x4AE0C5A4, .control_i2c_2 = 0x4AE0C5A8, @@ -807,6 +809,9 @@ struct prcm_regs const dra7xx_prcm = { .cm_dsp_clkstctrl = 0x4a005400, .cm_dsp_dsp_clkctrl = 0x4a005420, + /* prm irqstatus regs */ + .prm_irqstatus_mpu_2 = 0x4ae06014, + /* cm2.ckgen */ .cm_clksel_usb_60mhz = 0x4a008104, .cm_clkmode_dpll_per = 0x4a008140, @@ -967,4 +972,7 @@ struct prcm_regs const dra7xx_prcm = { .prm_vc_val_bypass = 0x4ae07da0, .prm_vc_cfg_i2c_mode = 0x4ae07db4, .prm_vc_cfg_i2c_clk = 0x4ae07db8, + + .prm_abbldo_mpu_setup = 0x4AE07DDC, + .prm_abbldo_mpu_ctrl = 0x4AE07DE0, }; diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index 2e1870609a..16a91f911a 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -245,6 +245,7 @@ static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) *regs = &emif_regs_ddr3_532_mhz_1cs_es2; break; case DRA752_ES1_0: + case DRA752_ES1_1: switch (emif_nr) { case 1: *regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1; @@ -273,6 +274,7 @@ static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs *dmm_lisa_regs = &lisa_map_4G_x_2_x_2; break; case DRA752_ES1_0: + case DRA752_ES1_1: default: *dmm_lisa_regs = &lisa_map_2G_x_2_x_2_2G_x_1_x_2; } @@ -460,6 +462,7 @@ static void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, *size = ARRAY_SIZE(ddr3_ext_phy_ctrl_const_base_es2); break; case DRA752_ES1_0: + case DRA752_ES1_1: if (emif_nr == 1) { *regs = dra_ddr3_ext_phy_ctrl_const_base_es1_emif1; *size = @@ -626,6 +629,7 @@ const struct read_write_regs *get_bug_regs(u32 *iterations) sizeof(omap5_bug_00339_regs[0]); break; case DRA752_ES1_0: + case DRA752_ES1_1: bug_00339_regs_ptr = dra_bug_00339_regs; *iterations = sizeof(dra_bug_00339_regs)/ sizeof(dra_bug_00339_regs[0]); diff --git a/arch/arm/cpu/armv7/socfpga/config.mk b/arch/arm/cpu/armv7/socfpga/config.mk index d33ab7d62f..3d18491577 100644 --- a/arch/arm/cpu/armv7/socfpga/config.mk +++ b/arch/arm/cpu/armv7/socfpga/config.mk @@ -4,5 +4,5 @@ # SPDX-License-Identifier: GPL-2.0+ # ifndef CONFIG_SPL_BUILD -ALL-y += $(obj)u-boot.img +ALL-y += u-boot.img endif diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 6c9b11a452..5aac773644 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -38,12 +38,19 @@ _irq: .word _irq _fiq: .word _fiq _pad: .word 0x12345678 /* now 16*4=64 */ #else +.globl _undefined_instruction _undefined_instruction: .word undefined_instruction +.globl _software_interrupt _software_interrupt: .word software_interrupt +.globl _prefetch_abort _prefetch_abort: .word prefetch_abort +.globl _data_abort _data_abort: .word data_abort +.globl _not_used _not_used: .word not_used +.globl _irq _irq: .word irq +.globl _fiq _fiq: .word fiq _pad: .word 0x12345678 /* now 16*4=64 */ #endif /* CONFIG_SPL_BUILD */ diff --git a/arch/arm/cpu/armv7/tegra114/Makefile b/arch/arm/cpu/armv7/tegra114/Makefile index 886b5092d6..77e231959b 100644 --- a/arch/arm/cpu/armv7/tegra114/Makefile +++ b/arch/arm/cpu/armv7/tegra114/Makefile @@ -17,4 +17,5 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. # -obj- := +# necessary to create built-in.o +obj- := __dummy__.o diff --git a/arch/arm/cpu/armv7/tegra124/Makefile b/arch/arm/cpu/armv7/tegra124/Makefile new file mode 100644 index 0000000000..9478d447db --- /dev/null +++ b/arch/arm/cpu/armv7/tegra124/Makefile @@ -0,0 +1,9 @@ +# +# (C) Copyright 2013-2014 +# NVIDIA Corporation <www.nvidia.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +# necessary to create built-in.o +obj- := __dummy__.o diff --git a/arch/arm/cpu/armv7/tegra30/Makefile b/arch/arm/cpu/armv7/tegra30/Makefile index 518d6d1b3e..413eba102a 100644 --- a/arch/arm/cpu/armv7/tegra30/Makefile +++ b/arch/arm/cpu/armv7/tegra30/Makefile @@ -17,4 +17,5 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. # -obj- := +# necessary to create built-in.o +obj- := __dummy__.o diff --git a/arch/arm/cpu/armv7/zynq/Makefile b/arch/arm/cpu/armv7/zynq/Makefile index d382d49eb0..3363a3c71b 100644 --- a/arch/arm/cpu/armv7/zynq/Makefile +++ b/arch/arm/cpu/armv7/zynq/Makefile @@ -12,3 +12,5 @@ obj-y := timer.o obj-y += cpu.o obj-y += ddrc.o obj-y += slcr.o +obj-y += clk.o +obj-$(CONFIG_SPL_BUILD) += spl.o diff --git a/arch/arm/cpu/armv7/zynq/clk.c b/arch/arm/cpu/armv7/zynq/clk.c new file mode 100644 index 0000000000..d2885dc2b9 --- /dev/null +++ b/arch/arm/cpu/armv7/zynq/clk.c @@ -0,0 +1,664 @@ +/* + * Copyright (C) 2013 Soren Brinkmann <soren.brinkmann@xilinx.com> + * Copyright (C) 2013 Xilinx, Inc. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <errno.h> +#include <clk.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/clk.h> + +/* Board oscillator frequency */ +#ifndef CONFIG_ZYNQ_PS_CLK_FREQ +# define CONFIG_ZYNQ_PS_CLK_FREQ 33333333UL +#endif + +/* Register bitfield defines */ +#define PLLCTRL_FBDIV_MASK 0x7f000 +#define PLLCTRL_FBDIV_SHIFT 12 +#define PLLCTRL_BPFORCE_MASK (1 << 4) +#define PLLCTRL_PWRDWN_MASK 2 +#define PLLCTRL_PWRDWN_SHIFT 1 +#define PLLCTRL_RESET_MASK 1 +#define PLLCTRL_RESET_SHIFT 0 + +#define ZYNQ_CLK_MAXDIV 0x3f +#define CLK_CTRL_DIV1_SHIFT 20 +#define CLK_CTRL_DIV1_MASK (ZYNQ_CLK_MAXDIV << CLK_CTRL_DIV1_SHIFT) +#define CLK_CTRL_DIV0_SHIFT 8 +#define CLK_CTRL_DIV0_MASK (ZYNQ_CLK_MAXDIV << CLK_CTRL_DIV0_SHIFT) +#define CLK_CTRL_SRCSEL_SHIFT 4 +#define CLK_CTRL_SRCSEL_MASK (0x3 << CLK_CTRL_SRCSEL_SHIFT) + +#define CLK_CTRL_DIV2X_SHIFT 26 +#define CLK_CTRL_DIV2X_MASK (ZYNQ_CLK_MAXDIV << CLK_CTRL_DIV2X_SHIFT) +#define CLK_CTRL_DIV3X_SHIFT 20 +#define CLK_CTRL_DIV3X_MASK (ZYNQ_CLK_MAXDIV << CLK_CTRL_DIV3X_SHIFT) + +#define ZYNQ_CLKMUX_SEL_0 0 +#define ZYNQ_CLKMUX_SEL_1 1 +#define ZYNQ_CLKMUX_SEL_2 2 +#define ZYNQ_CLKMUX_SEL_3 3 + +DECLARE_GLOBAL_DATA_PTR; + +struct clk; + +/** + * struct clk_ops: + * @set_rate: Function pointer to set_rate() implementation + * @get_rate: Function pointer to get_rate() implementation + */ +struct clk_ops { + int (*set_rate)(struct clk *clk, unsigned long rate); + unsigned long (*get_rate)(struct clk *clk); +}; + +/** + * struct clk: + * @name: Clock name + * @frequency: Currenct frequency + * @parent: Parent clock + * @flags: Clock flags + * @reg: Clock control register + * @ops: Clock operations + */ +struct clk { + char *name; + unsigned long frequency; + enum zynq_clk parent; + unsigned int flags; + u32 *reg; + struct clk_ops ops; +}; +#define ZYNQ_CLK_FLAGS_HAS_2_DIVS 1 + +static struct clk clks[clk_max]; + +/** + * __zynq_clk_cpu_get_parent() - Decode clock multiplexer + * @srcsel: Mux select value + * Returns the clock identifier associated with the selected mux input. + */ +static int __zynq_clk_cpu_get_parent(unsigned int srcsel) +{ + unsigned int ret; + + switch (srcsel) { + case ZYNQ_CLKMUX_SEL_0: + case ZYNQ_CLKMUX_SEL_1: + ret = armpll_clk; + break; + case ZYNQ_CLKMUX_SEL_2: + ret = ddrpll_clk; + break; + case ZYNQ_CLKMUX_SEL_3: + ret = iopll_clk; + break; + default: + ret = armpll_clk; + break; + } + + return ret; +} + +/** + * ddr2x_get_rate() - Get clock rate of DDR2x clock + * @clk: Clock handle + * Returns the current clock rate of @clk. + */ +static unsigned long ddr2x_get_rate(struct clk *clk) +{ + u32 clk_ctrl = readl(clk->reg); + u32 div = (clk_ctrl & CLK_CTRL_DIV2X_MASK) >> CLK_CTRL_DIV2X_SHIFT; + + return DIV_ROUND_CLOSEST(zynq_clk_get_rate(clk->parent), div); +} + +/** + * ddr3x_get_rate() - Get clock rate of DDR3x clock + * @clk: Clock handle + * Returns the current clock rate of @clk. + */ +static unsigned long ddr3x_get_rate(struct clk *clk) +{ + u32 clk_ctrl = readl(clk->reg); + u32 div = (clk_ctrl & CLK_CTRL_DIV3X_MASK) >> CLK_CTRL_DIV3X_SHIFT; + + return DIV_ROUND_CLOSEST(zynq_clk_get_rate(clk->parent), div); +} + +static void init_ddr_clocks(void) +{ + u32 div0, div1; + unsigned long prate = zynq_clk_get_rate(ddrpll_clk); + u32 clk_ctrl = readl(&slcr_base->ddr_clk_ctrl); + + /* DDR2x */ + clks[ddr2x_clk].reg = &slcr_base->ddr_clk_ctrl; + clks[ddr2x_clk].parent = ddrpll_clk; + clks[ddr2x_clk].name = "ddr_2x"; + clks[ddr2x_clk].frequency = ddr2x_get_rate(&clks[ddr2x_clk]); + clks[ddr2x_clk].ops.get_rate = ddr2x_get_rate; + + /* DDR3x */ + clks[ddr3x_clk].reg = &slcr_base->ddr_clk_ctrl; + clks[ddr3x_clk].parent = ddrpll_clk; + clks[ddr3x_clk].name = "ddr_3x"; + clks[ddr3x_clk].frequency = ddr3x_get_rate(&clks[ddr3x_clk]); + clks[ddr3x_clk].ops.get_rate = ddr3x_get_rate; + + /* DCI */ + clk_ctrl = readl(&slcr_base->dci_clk_ctrl); + div0 = (clk_ctrl & CLK_CTRL_DIV0_MASK) >> CLK_CTRL_DIV0_SHIFT; + div1 = (clk_ctrl & CLK_CTRL_DIV1_MASK) >> CLK_CTRL_DIV1_SHIFT; + clks[dci_clk].reg = &slcr_base->dci_clk_ctrl; + clks[dci_clk].parent = ddrpll_clk; + clks[dci_clk].frequency = DIV_ROUND_CLOSEST( + DIV_ROUND_CLOSEST(prate, div0), div1); + clks[dci_clk].name = "dci"; + + gd->bd->bi_ddr_freq = clks[ddr3x_clk].frequency / 1000000; +} + +static void init_cpu_clocks(void) +{ + int clk_621; + u32 reg, div, srcsel; + enum zynq_clk parent; + + reg = readl(&slcr_base->arm_clk_ctrl); + clk_621 = readl(&slcr_base->clk_621_true) & 1; + div = (reg & CLK_CTRL_DIV0_MASK) >> CLK_CTRL_DIV0_SHIFT; + srcsel = (reg & CLK_CTRL_SRCSEL_MASK) >> CLK_CTRL_SRCSEL_SHIFT; + parent = __zynq_clk_cpu_get_parent(srcsel); + + /* cpu clocks */ + clks[cpu_6or4x_clk].reg = &slcr_base->arm_clk_ctrl; + clks[cpu_6or4x_clk].parent = parent; + clks[cpu_6or4x_clk].frequency = DIV_ROUND_CLOSEST( + zynq_clk_get_rate(parent), div); + clks[cpu_6or4x_clk].name = "cpu_6or4x"; + + clks[cpu_3or2x_clk].reg = &slcr_base->arm_clk_ctrl; + clks[cpu_3or2x_clk].parent = cpu_6or4x_clk; + clks[cpu_3or2x_clk].frequency = zynq_clk_get_rate(cpu_6or4x_clk) / 2; + clks[cpu_3or2x_clk].name = "cpu_3or2x"; + + clks[cpu_2x_clk].reg = &slcr_base->arm_clk_ctrl; + clks[cpu_2x_clk].parent = cpu_6or4x_clk; + clks[cpu_2x_clk].frequency = zynq_clk_get_rate(cpu_6or4x_clk) / + (2 + clk_621); + clks[cpu_2x_clk].name = "cpu_2x"; + + clks[cpu_1x_clk].reg = &slcr_base->arm_clk_ctrl; + clks[cpu_1x_clk].parent = cpu_6or4x_clk; + clks[cpu_1x_clk].frequency = zynq_clk_get_rate(cpu_6or4x_clk) / + (4 + 2 * clk_621); + clks[cpu_1x_clk].name = "cpu_1x"; +} + +/** + * periph_calc_two_divs() - Calculate clock dividers + * @cur_rate: Current clock rate + * @tgt_rate: Target clock rate + * @prate: Parent clock rate + * @div0: First divider (output) + * @div1: Second divider (output) + * Returns the actual clock rate possible. + * + * Calculates clock dividers for clocks with two 6-bit dividers. + */ +static unsigned long periph_calc_two_divs(unsigned long cur_rate, + unsigned long tgt_rate, unsigned long prate, u32 *div0, + u32 *div1) +{ + long err, best_err = (long)(~0UL >> 1); + unsigned long rate, best_rate = 0; + u32 d0, d1; + + for (d0 = 1; d0 <= ZYNQ_CLK_MAXDIV; d0++) { + for (d1 = 1; d1 <= ZYNQ_CLK_MAXDIV >> 1; d1++) { + rate = DIV_ROUND_CLOSEST(DIV_ROUND_CLOSEST(prate, d0), + d1); + err = abs(rate - tgt_rate); + + if (err < best_err) { + *div0 = d0; + *div1 = d1; + best_err = err; + best_rate = rate; + } + } + } + + return best_rate; +} + +/** + * zynq_clk_periph_set_rate() - Set clock rate + * @clk: Handle of the peripheral clock + * @rate: New clock rate + * Sets the clock frequency of @clk to @rate. Returns zero on success. + */ +static int zynq_clk_periph_set_rate(struct clk *clk, + unsigned long rate) +{ + u32 ctrl, div0 = 0, div1 = 0; + unsigned long prate, new_rate, cur_rate = clk->frequency; + + ctrl = readl(clk->reg); + prate = zynq_clk_get_rate(clk->parent); + ctrl &= ~CLK_CTRL_DIV0_MASK; + + if (clk->flags & ZYNQ_CLK_FLAGS_HAS_2_DIVS) { + ctrl &= ~CLK_CTRL_DIV1_MASK; + new_rate = periph_calc_two_divs(cur_rate, rate, prate, &div0, + &div1); + ctrl |= div1 << CLK_CTRL_DIV1_SHIFT; + } else { + div0 = DIV_ROUND_CLOSEST(prate, rate); + div0 &= ZYNQ_CLK_MAXDIV; + new_rate = DIV_ROUND_CLOSEST(rate, div0); + } + + /* write new divs to hardware */ + ctrl |= div0 << CLK_CTRL_DIV0_SHIFT; + writel(ctrl, clk->reg); + + /* update frequency in clk framework */ + clk->frequency = new_rate; + + return 0; +} + +/** + * zynq_clk_periph_get_rate() - Get clock rate + * @clk: Handle of the peripheral clock + * Returns the current clock rate of @clk. + */ +static unsigned long zynq_clk_periph_get_rate(struct clk *clk) +{ + u32 clk_ctrl = readl(clk->reg); + u32 div0 = (clk_ctrl & CLK_CTRL_DIV0_MASK) >> CLK_CTRL_DIV0_SHIFT; + u32 div1 = 1; + + if (clk->flags & ZYNQ_CLK_FLAGS_HAS_2_DIVS) + div1 = (clk_ctrl & CLK_CTRL_DIV1_MASK) >> CLK_CTRL_DIV1_SHIFT; + + /* a register value of zero == division by 1 */ + if (!div0) + div0 = 1; + if (!div1) + div1 = 1; + + return + DIV_ROUND_CLOSEST( + DIV_ROUND_CLOSEST(zynq_clk_get_rate(clk->parent), div0), + div1); +} + +/** + * __zynq_clk_periph_get_parent() - Decode clock multiplexer + * @srcsel: Mux select value + * Returns the clock identifier associated with the selected mux input. + */ +static enum zynq_clk __zynq_clk_periph_get_parent(u32 srcsel) +{ + switch (srcsel) { + case ZYNQ_CLKMUX_SEL_0: + case ZYNQ_CLKMUX_SEL_1: + return iopll_clk; + case ZYNQ_CLKMUX_SEL_2: + return armpll_clk; + case ZYNQ_CLKMUX_SEL_3: + return ddrpll_clk; + default: + return 0; + } +} + +/** + * zynq_clk_periph_get_parent() - Decode clock multiplexer + * @clk: Clock handle + * Returns the clock identifier associated with the selected mux input. + */ +static enum zynq_clk zynq_clk_periph_get_parent(struct clk *clk) +{ + u32 clk_ctrl = readl(clk->reg); + u32 srcsel = (clk_ctrl & CLK_CTRL_SRCSEL_MASK) >> CLK_CTRL_SRCSEL_SHIFT; + + return __zynq_clk_periph_get_parent(srcsel); +} + +/** + * zynq_clk_register_periph_clk() - Set up a peripheral clock with the framework + * @clk: Pointer to struct clk for the clock + * @ctrl: Clock control register + * @name: PLL name + * @two_divs: Indicates whether the clock features one or two dividers + */ +static int zynq_clk_register_periph_clk(struct clk *clk, u32 *ctrl, char *name, + bool two_divs) +{ + clk->name = name; + clk->reg = ctrl; + if (two_divs) + clk->flags = ZYNQ_CLK_FLAGS_HAS_2_DIVS; + clk->parent = zynq_clk_periph_get_parent(clk); + clk->frequency = zynq_clk_periph_get_rate(clk); + clk->ops.get_rate = zynq_clk_periph_get_rate; + clk->ops.set_rate = zynq_clk_periph_set_rate; + + return 0; +} + +static void init_periph_clocks(void) +{ + zynq_clk_register_periph_clk(&clks[gem0_clk], &slcr_base->gem0_clk_ctrl, + "gem0", 1); + zynq_clk_register_periph_clk(&clks[gem1_clk], &slcr_base->gem1_clk_ctrl, + "gem1", 1); + + zynq_clk_register_periph_clk(&clks[smc_clk], &slcr_base->smc_clk_ctrl, + "smc", 0); + + zynq_clk_register_periph_clk(&clks[lqspi_clk], + &slcr_base->lqspi_clk_ctrl, "lqspi", 0); + + zynq_clk_register_periph_clk(&clks[sdio0_clk], + &slcr_base->sdio_clk_ctrl, "sdio0", 0); + zynq_clk_register_periph_clk(&clks[sdio1_clk], + &slcr_base->sdio_clk_ctrl, "sdio1", 0); + + zynq_clk_register_periph_clk(&clks[spi0_clk], &slcr_base->spi_clk_ctrl, + "spi0", 0); + zynq_clk_register_periph_clk(&clks[spi1_clk], &slcr_base->spi_clk_ctrl, + "spi1", 0); + + zynq_clk_register_periph_clk(&clks[uart0_clk], + &slcr_base->uart_clk_ctrl, "uart0", 0); + zynq_clk_register_periph_clk(&clks[uart1_clk], + &slcr_base->uart_clk_ctrl, "uart1", 0); + + zynq_clk_register_periph_clk(&clks[dbg_trc_clk], + &slcr_base->dbg_clk_ctrl, "dbg_trc", 0); + zynq_clk_register_periph_clk(&clks[dbg_apb_clk], + &slcr_base->dbg_clk_ctrl, "dbg_apb", 0); + + zynq_clk_register_periph_clk(&clks[pcap_clk], + &slcr_base->pcap_clk_ctrl, "pcap", 0); + + zynq_clk_register_periph_clk(&clks[fclk0_clk], + &slcr_base->fpga0_clk_ctrl, "fclk0", 1); + zynq_clk_register_periph_clk(&clks[fclk1_clk], + &slcr_base->fpga1_clk_ctrl, "fclk1", 1); + zynq_clk_register_periph_clk(&clks[fclk2_clk], + &slcr_base->fpga2_clk_ctrl, "fclk2", 1); + zynq_clk_register_periph_clk(&clks[fclk3_clk], + &slcr_base->fpga3_clk_ctrl, "fclk3", 1); +} + +/** + * zynq_clk_register_aper_clk() - Set up a APER clock with the framework + * @clk: Pointer to struct clk for the clock + * @ctrl: Clock control register + * @name: PLL name + */ +static void zynq_clk_register_aper_clk(struct clk *clk, u32 *ctrl, char *name) +{ + clk->name = name; + clk->reg = ctrl; + clk->parent = cpu_1x_clk; + clk->frequency = zynq_clk_get_rate(clk->parent); +} + +static void init_aper_clocks(void) +{ + zynq_clk_register_aper_clk(&clks[usb0_aper_clk], + &slcr_base->aper_clk_ctrl, "usb0_aper"); + zynq_clk_register_aper_clk(&clks[usb1_aper_clk], + &slcr_base->aper_clk_ctrl, "usb1_aper"); + + zynq_clk_register_aper_clk(&clks[gem0_aper_clk], + &slcr_base->aper_clk_ctrl, "gem0_aper"); + zynq_clk_register_aper_clk(&clks[gem1_aper_clk], + &slcr_base->aper_clk_ctrl, "gem1_aper"); + + zynq_clk_register_aper_clk(&clks[sdio0_aper_clk], + &slcr_base->aper_clk_ctrl, "sdio0_aper"); + zynq_clk_register_aper_clk(&clks[sdio1_aper_clk], + &slcr_base->aper_clk_ctrl, "sdio1_aper"); + + zynq_clk_register_aper_clk(&clks[spi0_aper_clk], + &slcr_base->aper_clk_ctrl, "spi0_aper"); + zynq_clk_register_aper_clk(&clks[spi1_aper_clk], + &slcr_base->aper_clk_ctrl, "spi1_aper"); + + zynq_clk_register_aper_clk(&clks[can0_aper_clk], + &slcr_base->aper_clk_ctrl, "can0_aper"); + zynq_clk_register_aper_clk(&clks[can1_aper_clk], + &slcr_base->aper_clk_ctrl, "can1_aper"); + + zynq_clk_register_aper_clk(&clks[i2c0_aper_clk], + &slcr_base->aper_clk_ctrl, "i2c0_aper"); + zynq_clk_register_aper_clk(&clks[i2c1_aper_clk], + &slcr_base->aper_clk_ctrl, "i2c1_aper"); + + zynq_clk_register_aper_clk(&clks[uart0_aper_clk], + &slcr_base->aper_clk_ctrl, "uart0_aper"); + zynq_clk_register_aper_clk(&clks[uart1_aper_clk], + &slcr_base->aper_clk_ctrl, "uart1_aper"); + + zynq_clk_register_aper_clk(&clks[gpio_aper_clk], + &slcr_base->aper_clk_ctrl, "gpio_aper"); + + zynq_clk_register_aper_clk(&clks[lqspi_aper_clk], + &slcr_base->aper_clk_ctrl, "lqspi_aper"); + + zynq_clk_register_aper_clk(&clks[smc_aper_clk], + &slcr_base->aper_clk_ctrl, "smc_aper"); +} + +/** + * __zynq_clk_pll_get_rate() - Get PLL rate + * @addr: Address of the PLL's control register + * Returns the current PLL output rate. + */ +static unsigned long __zynq_clk_pll_get_rate(u32 *addr) +{ + u32 reg, mul, bypass; + + reg = readl(addr); + bypass = reg & PLLCTRL_BPFORCE_MASK; + if (bypass) + mul = 1; + else + mul = (reg & PLLCTRL_FBDIV_MASK) >> PLLCTRL_FBDIV_SHIFT; + + return CONFIG_ZYNQ_PS_CLK_FREQ * mul; +} + +/** + * zynq_clk_pll_get_rate() - Get PLL rate + * @pll: Handle of the PLL + * Returns the current clock rate of @pll. + */ +static unsigned long zynq_clk_pll_get_rate(struct clk *pll) +{ + return __zynq_clk_pll_get_rate(pll->reg); +} + +/** + * zynq_clk_register_pll() - Set up a PLL with the framework + * @clk: Pointer to struct clk for the PLL + * @ctrl: PLL control register + * @name: PLL name + * @prate: PLL input clock rate + */ +static void zynq_clk_register_pll(struct clk *clk, u32 *ctrl, char *name, + unsigned long prate) +{ + clk->name = name; + clk->reg = ctrl; + clk->frequency = zynq_clk_pll_get_rate(clk); + clk->ops.get_rate = zynq_clk_pll_get_rate; +} + +/** + * clkid_2_register() - Get clock control register + * @id: Clock identifier of one of the PLLs + * Returns the address of the requested PLL's control register. + */ +static u32 *clkid_2_register(enum zynq_clk id) +{ + switch (id) { + case armpll_clk: + return &slcr_base->arm_pll_ctrl; + case ddrpll_clk: + return &slcr_base->ddr_pll_ctrl; + case iopll_clk: + return &slcr_base->io_pll_ctrl; + default: + return &slcr_base->io_pll_ctrl; + } +} + +/* API */ +/** + * zynq_clk_early_init() - Early init for the clock framework + * + * This function is called from before relocation and sets up the CPU clock + * frequency in the global data struct. + */ +void zynq_clk_early_init(void) +{ + u32 reg = readl(&slcr_base->arm_clk_ctrl); + u32 div = (reg & CLK_CTRL_DIV0_MASK) >> CLK_CTRL_DIV0_SHIFT; + u32 srcsel = (reg & CLK_CTRL_SRCSEL_MASK) >> CLK_CTRL_SRCSEL_SHIFT; + enum zynq_clk parent = __zynq_clk_cpu_get_parent(srcsel); + u32 *pllreg = clkid_2_register(parent); + unsigned long prate = __zynq_clk_pll_get_rate(pllreg); + + if (!div) + div = 1; + + gd->cpu_clk = DIV_ROUND_CLOSEST(prate, div); +} + +/** + * get_uart_clk() - Get UART input frequency + * @dev_index: UART ID + * Returns UART input clock frequency in Hz. + * + * Compared to zynq_clk_get_rate() this function is designed to work before + * relocation and can be called when the serial UART is set up. + */ +unsigned long get_uart_clk(int dev_index) +{ + u32 reg = readl(&slcr_base->uart_clk_ctrl); + u32 div = (reg & CLK_CTRL_DIV0_MASK) >> CLK_CTRL_DIV0_SHIFT; + u32 srcsel = (reg & CLK_CTRL_SRCSEL_MASK) >> CLK_CTRL_SRCSEL_SHIFT; + enum zynq_clk parent = __zynq_clk_periph_get_parent(srcsel); + u32 *pllreg = clkid_2_register(parent); + unsigned long prate = __zynq_clk_pll_get_rate(pllreg); + + if (!div) + div = 1; + + return DIV_ROUND_CLOSEST(prate, div); +} + +/** + * set_cpu_clk_info() - Initialize clock framework + * Always returns zero. + * + * This function is called from common code after relocation and sets up the + * clock framework. The framework must not be used before this function had been + * called. + */ +int set_cpu_clk_info(void) +{ + zynq_clk_register_pll(&clks[armpll_clk], &slcr_base->arm_pll_ctrl, + "armpll", CONFIG_ZYNQ_PS_CLK_FREQ); + zynq_clk_register_pll(&clks[ddrpll_clk], &slcr_base->ddr_pll_ctrl, + "ddrpll", CONFIG_ZYNQ_PS_CLK_FREQ); + zynq_clk_register_pll(&clks[iopll_clk], &slcr_base->io_pll_ctrl, + "iopll", CONFIG_ZYNQ_PS_CLK_FREQ); + + init_ddr_clocks(); + init_cpu_clocks(); + init_periph_clocks(); + init_aper_clocks(); + + gd->bd->bi_arm_freq = gd->cpu_clk / 1000000; + gd->bd->bi_dsp_freq = 0; + + return 0; +} + +/** + * zynq_clk_get_rate() - Get clock rate + * @clk: Clock identifier + * Returns the current clock rate of @clk on success or zero for an invalid + * clock id. + */ +unsigned long zynq_clk_get_rate(enum zynq_clk clk) +{ + if (clk < 0 || clk >= clk_max) + return 0; + + return clks[clk].frequency; +} + +/** + * zynq_clk_set_rate() - Set clock rate + * @clk: Clock identifier + * @rate: Requested clock rate + * Passes on the return value from the clock's set_rate() function or negative + * errno. + */ +int zynq_clk_set_rate(enum zynq_clk clk, unsigned long rate) +{ + if (clk < 0 || clk >= clk_max) + return -ENODEV; + + if (clks[clk].ops.set_rate) + return clks[clk].ops.set_rate(&clks[clk], rate); + + return -ENXIO; +} + +/** + * zynq_clk_get_name() - Get clock name + * @clk: Clock identifier + * Returns the name of @clk. + */ +const char *zynq_clk_get_name(enum zynq_clk clk) +{ + return clks[clk].name; +} + +/** + * soc_clk_dump() - Print clock frequencies + * Returns zero on success + * + * Implementation for the clk dump command. + */ +int soc_clk_dump(void) +{ + int i; + + printf("clk\t\tfrequency\n"); + for (i = 0; i < clk_max; i++) { + const char *name = zynq_clk_get_name(i); + if (name) + printf("%10s%20lu\n", name, zynq_clk_get_rate(i)); + } + + return 0; +} diff --git a/arch/arm/cpu/armv7/zynq/cpu.c b/arch/arm/cpu/armv7/zynq/cpu.c index 9af340e75e..7626b5c1a3 100644 --- a/arch/arm/cpu/armv7/zynq/cpu.c +++ b/arch/arm/cpu/armv7/zynq/cpu.c @@ -6,6 +6,7 @@ */ #include <common.h> #include <asm/io.h> +#include <asm/arch/clk.h> #include <asm/arch/sys_proto.h> #include <asm/arch/hardware.h> @@ -16,7 +17,7 @@ void lowlevel_init(void) int arch_cpu_init(void) { zynq_slcr_unlock(); - +#ifndef CONFIG_SPL_BUILD /* Device config APB, unlock the PCAP */ writel(0x757BDF0D, &devcfg_base->unlock); writel(0xFFFFFFFF, &devcfg_base->rom_shadow); @@ -34,7 +35,8 @@ int arch_cpu_init(void) /* Urgent write, ports S2/S3 */ writel(0xC, &slcr_base->ddr_urgent); #endif - +#endif + zynq_clk_early_init(); zynq_slcr_lock(); return 0; @@ -46,3 +48,11 @@ void reset_cpu(ulong addr) while (1) ; } + +#ifndef CONFIG_SYS_DCACHE_OFF +void enable_caches(void) +{ + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +} +#endif diff --git a/arch/arm/cpu/armv7/zynq/slcr.c b/arch/arm/cpu/armv7/zynq/slcr.c index b4c11c324c..d7c1882332 100644 --- a/arch/arm/cpu/armv7/zynq/slcr.c +++ b/arch/arm/cpu/armv7/zynq/slcr.c @@ -8,6 +8,7 @@ #include <asm/io.h> #include <malloc.h> #include <asm/arch/hardware.h> +#include <asm/arch/clk.h> #define SLCR_LOCK_MAGIC 0x767B #define SLCR_UNLOCK_MAGIC 0xDF0D @@ -50,8 +51,10 @@ void zynq_slcr_cpu_reset(void) } /* Setup clk for network */ -void zynq_slcr_gem_clk_setup(u32 gem_id, u32 rclk, u32 clk) +void zynq_slcr_gem_clk_setup(u32 gem_id, unsigned long clk_rate) { + int ret; + zynq_slcr_unlock(); if (gem_id > 1) { @@ -59,16 +62,16 @@ void zynq_slcr_gem_clk_setup(u32 gem_id, u32 rclk, u32 clk) goto out; } + ret = zynq_clk_set_rate(gem0_clk + gem_id, clk_rate); + if (ret) + goto out; + if (gem_id) { - /* Set divisors for appropriate frequency in GEM_CLK_CTRL */ - writel(clk, &slcr_base->gem1_clk_ctrl); /* Configure GEM_RCLK_CTRL */ - writel(rclk, &slcr_base->gem1_rclk_ctrl); + writel(1, &slcr_base->gem1_rclk_ctrl); } else { - /* Set divisors for appropriate frequency in GEM_CLK_CTRL */ - writel(clk, &slcr_base->gem0_clk_ctrl); /* Configure GEM_RCLK_CTRL */ - writel(rclk, &slcr_base->gem0_rclk_ctrl); + writel(1, &slcr_base->gem0_rclk_ctrl); } udelay(100000); out: diff --git a/arch/arm/cpu/armv7/zynq/spl.c b/arch/arm/cpu/armv7/zynq/spl.c new file mode 100644 index 0000000000..fcad762c03 --- /dev/null +++ b/arch/arm/cpu/armv7/zynq/spl.c @@ -0,0 +1,69 @@ +/* + * (C) Copyright 2014 Xilinx, Inc. Michal Simek + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <spl.h> + +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/spl.h> +#include <asm/arch/sys_proto.h> + +DECLARE_GLOBAL_DATA_PTR; + +void board_init_f(ulong dummy) +{ + ps7_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* Set global data pointer. */ + gd = &gdata; + + preloader_console_init(); + arch_cpu_init(); + board_init_r(NULL, 0); +} + +u32 spl_boot_device(void) +{ + u32 mode; + + switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) { +#ifdef CONFIG_SPL_SPI_SUPPORT + case ZYNQ_BM_QSPI: + puts("qspi boot\n"); + mode = BOOT_DEVICE_SPI; + break; +#endif +#ifdef CONFIG_SPL_MMC_SUPPORT + case ZYNQ_BM_SD: + puts("mmc boot\n"); + mode = BOOT_DEVICE_MMC1; + break; +#endif + default: + puts("Unsupported boot mode selected\n"); + hang(); + } + + return mode; +} + +#ifdef CONFIG_SPL_MMC_SUPPORT +u32 spl_boot_mode(void) +{ + return MMCSD_MODE_FAT; +} +#endif + +#ifdef CONFIG_SPL_OS_BOOT +int spl_start_uboot(void) +{ + /* boot linux */ + return 0; +} +#endif diff --git a/arch/arm/cpu/armv7/zynq/timer.c b/arch/arm/cpu/armv7/zynq/timer.c index 2be253c2c3..303dbcfcea 100644 --- a/arch/arm/cpu/armv7/zynq/timer.c +++ b/arch/arm/cpu/armv7/zynq/timer.c @@ -29,6 +29,7 @@ #include <div64.h> #include <asm/io.h> #include <asm/arch/hardware.h> +#include <asm/arch/clk.h> DECLARE_GLOBAL_DATA_PTR; @@ -48,7 +49,6 @@ static struct scu_timer *timer_base = #define TIMER_LOAD_VAL 0xFFFFFFFF #define TIMER_PRESCALE 255 -#define TIMER_TICK_HZ (CONFIG_CPU_FREQ_HZ / 2 / TIMER_PRESCALE) int timer_init(void) { @@ -56,6 +56,8 @@ int timer_init(void) (TIMER_PRESCALE << SCUTIMER_CONTROL_PRESCALER_SHIFT) | SCUTIMER_CONTROL_ENABLE_MASK; + gd->arch.timer_rate_hz = (gd->cpu_clk / 2) / (TIMER_PRESCALE + 1); + /* Load the timer counter register */ writel(0xFFFFFFFF, &timer_base->load); @@ -69,7 +71,7 @@ int timer_init(void) /* Reset time */ gd->arch.lastinc = readl(&timer_base->counter) / - (TIMER_TICK_HZ / CONFIG_SYS_HZ); + (gd->arch.timer_rate_hz / CONFIG_SYS_HZ); gd->arch.tbl = 0; return 0; @@ -83,14 +85,15 @@ ulong get_timer_masked(void) { ulong now; - now = readl(&timer_base->counter) / (TIMER_TICK_HZ / CONFIG_SYS_HZ); + now = readl(&timer_base->counter) / + (gd->arch.timer_rate_hz / CONFIG_SYS_HZ); if (gd->arch.lastinc >= now) { /* Normal mode */ gd->arch.tbl += gd->arch.lastinc - now; } else { /* We have an overflow ... */ - gd->arch.tbl += gd->arch.lastinc + TIMER_LOAD_VAL - now; + gd->arch.tbl += gd->arch.lastinc + TIMER_LOAD_VAL - now + 1; } gd->arch.lastinc = now; @@ -107,7 +110,8 @@ void __udelay(unsigned long usec) if (usec == 0) return; - countticks = lldiv(TIMER_TICK_HZ * usec, 1000000); + countticks = lldiv(((unsigned long long)gd->arch.timer_rate_hz * usec), + 1000000); /* decrementing timer */ timeend = readl(&timer_base->counter) - countticks; diff --git a/arch/arm/cpu/armv7/zynq/u-boot-spl.lds b/arch/arm/cpu/armv7/zynq/u-boot-spl.lds new file mode 100644 index 0000000000..0c4501e5c7 --- /dev/null +++ b/arch/arm/cpu/armv7/zynq/u-boot-spl.lds @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2014 Xilinx, Inc. Michal Simek + * Copyright (c) 2004-2008 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } +MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ + LENGTH = CONFIG_SPL_BSS_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = ALIGN(4); + .text : + { + __image_copy_start = .; + CPUDIR/start.o (.text*) + *(.text*) + } > .sram + + . = ALIGN(4); + .rodata : { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } > .sram + + . = ALIGN(4); + .data : { + *(.data*) + } > .sram + + . = ALIGN(4); + + . = .; + + __image_copy_end = .; + + _end = .; + + /* Move BSS section to RAM because of FAT */ + .bss (NOLOAD) : { + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end = .; + } > .sdram + + /DISCARD/ : { *(.dynsym) } + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } +} diff --git a/arch/arm/cpu/armv7/zynq/u-boot.lds b/arch/arm/cpu/armv7/zynq/u-boot.lds new file mode 100644 index 0000000000..a68b050f2b --- /dev/null +++ b/arch/arm/cpu/armv7/zynq/u-boot.lds @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2004-2008 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + *(.__image_copy_start) + CPUDIR/start.o (.text*) + *(.text*) + } + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + + . = ALIGN(4); + .data : { + *(.data*) + } + + . = ALIGN(4); + + . = .; + + . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } + + . = ALIGN(4); + + .image_copy_end : + { + *(.__image_copy_end) + } + + .rel_dyn_start : + { + *(.__rel_dyn_start) + } + + .rel.dyn : { + *(.rel*) + } + + .rel_dyn_end : + { + *(.__rel_dyn_end) + } + + _end = .; + +/* + * Compiler-generated __bss_start and __bss_end, see arch/arm/lib/bss.c + * __bss_base and __bss_limit are for linker only (overlay ordering) + */ + + .bss_start __rel_dyn_start (OVERLAY) : { + KEEP(*(.__bss_start)); + __bss_base = .; + } + + .bss __bss_base (OVERLAY) : { + *(.bss*) + . = ALIGN(4); + __bss_limit = .; + } + + .bss_end __bss_limit (OVERLAY) : { + KEEP(*(.__bss_end)); + } + + /* + * Zynq needs to discard more sections because the user + * is expected to pass this image on to tools for boot.bin + * generation that require them to be dropped. + */ + /DISCARD/ : { *(.dynsym) } + /DISCARD/ : { *(.dynbss*) } + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } + /DISCARD/ : { *(.ARM.exidx*) } + /DISCARD/ : { *(.gnu.linkonce.armexidx.*) } +} |
