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[146.115.144.188]) by smtp.gmail.com with ESMTPSA id c127sm5063124qkf.36.2022.01.29.07.23.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 Jan 2022 07:23:22 -0800 (PST) From: Jesse Taube X-Google-Original-From: Jesse Taube To: u-boot@lists.denx.de Cc: jagan@amarulasolutions.com, andre.przywara@arm.com, hdegoede@redhat.com, sjg@chromium.org, icenowy@aosc.io, marek.behun@nic.cz, festevam@denx.de, narmstrong@baylibre.com, tharvey@gateworks.com, christianshewitt@gmail.com, pbrobinson@gmail.com, jernej.skrabec@gmail.com, hs@denx.de, samuel@sholland.org, arnaud.ferraris@gmail.com, giulio.benetti@benettiengineering.com, Mr.Bossman075@gmail.com, thirtythreeforty@gmail.com Subject: [PATCH v3 08/10] mach-sunxi: Add support for SUNIV architecture Date: Sat, 29 Jan 2022 10:23:07 -0500 Message-Id: <20220129152309.1567937-9-Mr.Bossman075@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220129152309.1567937-1-Mr.Bossman075@gmail.com> References: <20220129152309.1567937-1-Mr.Bossman075@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean From: Icenowy Zheng Add support for the suniv architecture, which is newer ARM9 SoCs by Allwinner. The design of it seems to be a mixture of sun3i, sun4i and sun6i. Signed-off-by: Icenowy Zheng Signed-off-by: Jesse Taube --- V1->V2: * Remove change in s_init (sunxi: remove lowlevel_init) V2->V3: * Covert to if(IS_ENABLED) from ifdef * Remove busy loop * Remove depends on for SPL_SPI_SUNXI --- arch/arm/mach-sunxi/Kconfig | 14 ++++- arch/arm/mach-sunxi/board.c | 28 +++++++++- arch/arm/mach-sunxi/clock.c | 3 +- arch/arm/mach-sunxi/clock_sun6i.c | 89 +++++++++++++++++++++---------- arch/arm/mach-sunxi/cpu_info.c | 2 + 5 files changed, 104 insertions(+), 32 deletions(-) diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 4e49ad4f0c..11f295033f 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -1,7 +1,8 @@ if ARCH_SUNXI config SPL_LDSCRIPT - default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if !ARM64 + default "arch/arm/cpu/arm926ejs/sunxi/u-boot-spl.lds" if MACH_SUNIV + default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if !ARM64 && !MACH_SUNIV config IDENT_STRING default " Allwinner Technology" @@ -183,6 +184,12 @@ choice prompt "Sunxi SoC Variant" optional +config MACH_SUNIV + bool "suniv (Allwinner F1C100s/F1C200s/F1C600/R6)" + select CPU_ARM926EJS + select SUNXI_GEN_SUN6I + select SUPPORT_SPL + config MACH_SUN4I bool "sun4i (Allwinner A10)" select CPU_V7A @@ -585,6 +592,7 @@ config DRAM_ODT_CORRECTION endif config SYS_CLK_FREQ + default 408000000 if MACH_SUNIV default 1008000000 if MACH_SUN4I default 1008000000 if MACH_SUN5I default 1008000000 if MACH_SUN6I @@ -596,6 +604,7 @@ config SYS_CLK_FREQ default 1008000000 if MACH_SUN50I_H616 config SYS_CONFIG_NAME + default "suniv" if MACH_SUNIV default "sun4i" if MACH_SUN4I default "sun5i" if MACH_SUN5I default "sun6i" if MACH_SUN6I @@ -803,7 +812,7 @@ config VIDEO_SUNXI config VIDEO_HDMI bool "HDMI output support" - depends on VIDEO_SUNXI && !MACH_SUN8I + depends on VIDEO_SUNXI && !MACH_SUN8I && !MACH_SUNIV default y ---help--- Say Y here to add support for outputting video over HDMI. @@ -1003,6 +1012,7 @@ config GMAC_TX_DELAY Set the GMAC Transmit Clock Delay Chain value. config SPL_STACK_R_ADDR + default 0x81e00000 if MACH_SUNIV default 0x4fe00000 if MACH_SUN4I default 0x4fe00000 if MACH_SUN5I default 0x4fe00000 if MACH_SUN6I diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c index a60dc6b299..2aa30c62c5 100644 --- a/arch/arm/mach-sunxi/board.c +++ b/arch/arm/mach-sunxi/board.c @@ -87,7 +87,8 @@ static int gpio_init(void) sunxi_gpio_set_cfgpin(SUNXI_GPB(22), SUNXI_GPIO_INPUT); sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUNXI_GPIO_INPUT); #endif -#if defined(CONFIG_MACH_SUN8I) && !defined(CONFIG_MACH_SUN8I_R40) +#if (defined(CONFIG_MACH_SUN8I) && !defined(CONFIG_MACH_SUN8I_R40)) || \ + defined(CONFIG_MACH_SUNIV) sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUN8I_GPF_UART0); sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUN8I_GPF_UART0); #else @@ -95,6 +96,10 @@ static int gpio_init(void) sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUNXI_GPF_UART0); #endif sunxi_gpio_set_pull(SUNXI_GPF(4), 1); +#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUNIV) + sunxi_gpio_set_cfgpin(SUNXI_GPE(0), SUNIV_GPE_UART0); + sunxi_gpio_set_cfgpin(SUNXI_GPE(1), SUNIV_GPE_UART0); + sunxi_gpio_set_pull(SUNXI_GPE(1), SUNXI_GPIO_PULL_UP); #elif CONFIG_CONS_INDEX == 1 && (defined(CONFIG_MACH_SUN4I) || \ defined(CONFIG_MACH_SUN7I) || \ defined(CONFIG_MACH_SUN8I_R40)) @@ -271,10 +276,31 @@ unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc, return sector; } +#ifndef CONFIG_MACH_SUNIV u32 spl_boot_device(void) { return sunxi_get_boot_device(); } +#else +/* + * suniv BROM do not pass the boot media type to SPL, so we try with the + * boot sequence in BROM: mmc0->spinor->fail. + */ +void board_boot_order(u32 *spl_boot_list) +{ + /* + * See the comments above in sunxi_get_boot_device() for information + * about FEL boot. + */ + if (!is_boot0_magic(SPL_ADDR + 4)) { + spl_boot_list[0] = BOOT_DEVICE_BOARD; + return; + } + + spl_boot_list[0] = BOOT_DEVICE_MMC1; + spl_boot_list[1] = BOOT_DEVICE_SPI; +} +#endif __weak void sunxi_sram_init(void) { diff --git a/arch/arm/mach-sunxi/clock.c b/arch/arm/mach-sunxi/clock.c index de7e875298..da3a0eb058 100644 --- a/arch/arm/mach-sunxi/clock.c +++ b/arch/arm/mach-sunxi/clock.c @@ -35,7 +35,8 @@ int clock_init(void) } /* These functions are shared between various SoCs so put them here. */ -#if defined CONFIG_SUNXI_GEN_SUN6I && !defined CONFIG_MACH_SUN9I +#if defined CONFIG_SUNXI_GEN_SUN6I && !defined CONFIG_MACH_SUN9I && \ + !defined CONFIG_MACH_SUNIV int clock_twi_onoff(int port, int state) { struct sunxi_ccm_reg *const ccm = diff --git a/arch/arm/mach-sunxi/clock_sun6i.c b/arch/arm/mach-sunxi/clock_sun6i.c index 8e84062bd7..56681fb2b6 100644 --- a/arch/arm/mach-sunxi/clock_sun6i.c +++ b/arch/arm/mach-sunxi/clock_sun6i.c @@ -23,7 +23,8 @@ void clock_init_safe(void) struct sunxi_ccm_reg * const ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; -#if !defined(CONFIG_MACH_SUNXI_H3_H5) && !defined(CONFIG_MACH_SUN50I) +#if !defined(CONFIG_MACH_SUNXI_H3_H5) && !defined(CONFIG_MACH_SUN50I) && \ + !defined(CONFIG_MACH_SUNIV) struct sunxi_prcm_reg * const prcm = (struct sunxi_prcm_reg *)SUNXI_PRCM_BASE; @@ -49,9 +50,11 @@ void clock_init_safe(void) writel(AHB1_ABP1_DIV_DEFAULT, &ccm->ahb1_apb1_div); - writel(MBUS_CLK_DEFAULT, &ccm->mbus0_clk_cfg); - if (IS_ENABLED(CONFIG_MACH_SUN6I)) - writel(MBUS_CLK_DEFAULT, &ccm->mbus1_clk_cfg); + if (!IS_ENABLED(CONFIG_MACH_SUNIV)) { + writel(MBUS_CLK_DEFAULT, &ccm->mbus0_clk_cfg); + if (IS_ENABLED(CONFIG_MACH_SUN6I)) + writel(MBUS_CLK_DEFAULT, &ccm->mbus1_clk_cfg); + } #if defined(CONFIG_MACH_SUN8I_R40) && defined(CONFIG_SUNXI_AHCI) setbits_le32(&ccm->sata_pll_cfg, CCM_SATA_PLL_DEFAULT); @@ -87,21 +90,38 @@ void clock_init_uart(void) struct sunxi_ccm_reg *const ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; - /* uart clock source is apb2 */ - writel(APB2_CLK_SRC_OSC24M| - APB2_CLK_RATE_N_1| - APB2_CLK_RATE_M(1), - &ccm->apb2_div); - - /* open the clock for uart */ - setbits_le32(&ccm->apb2_gate, - CLK_GATE_OPEN << (APB2_GATE_UART_SHIFT + - CONFIG_CONS_INDEX - 1)); - - /* deassert uart reset */ - setbits_le32(&ccm->apb2_reset_cfg, - 1 << (APB2_RESET_UART_SHIFT + - CONFIG_CONS_INDEX - 1)); + if (IS_ENABLED(CONFIG_MACH_SUNIV)) { + /* suniv doesn't have apb2, so uart clock source is apb1 */ + writel(PLL6_CFG_DEFAULT, &ccm->pll6_cfg); + while (!(readl(&ccm->pll6_cfg) & CCM_PLL6_CTRL_LOCK)) + ; + + /* open the clock for uart */ + setbits_le32(&ccm->apb1_gate, + CLK_GATE_OPEN << (APB1_GATE_UART_SHIFT + + CONFIG_CONS_INDEX - 1)); + + /* deassert uart reset */ + setbits_le32(&ccm->apb1_reset_cfg, + 1 << (APB1_RESET_UART_SHIFT + + CONFIG_CONS_INDEX - 1)); + } else { + /* uart clock source is apb2 */ + writel(APB2_CLK_SRC_OSC24M| + APB2_CLK_RATE_N_1| + APB2_CLK_RATE_M(1), + &ccm->apb2_div); + + /* open the clock for uart */ + setbits_le32(&ccm->apb2_gate, + CLK_GATE_OPEN << (APB2_GATE_UART_SHIFT + + CONFIG_CONS_INDEX - 1)); + + /* deassert uart reset */ + setbits_le32(&ccm->apb2_reset_cfg, + 1 << (APB2_RESET_UART_SHIFT + + CONFIG_CONS_INDEX - 1)); + } #else /* enable R_PIO and R_UART clocks, and de-assert resets */ prcm_apb0_enable(PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_UART); @@ -125,10 +145,15 @@ void clock_set_pll1(unsigned int clk) } /* Switch to 24MHz clock while changing PLL1 */ - writel(AXI_DIV_3 << AXI_DIV_SHIFT | - ATB_DIV_2 << ATB_DIV_SHIFT | - CPU_CLK_SRC_OSC24M << CPU_CLK_SRC_SHIFT, - &ccm->cpu_axi_cfg); + if (IS_ENABLED(CONFIG_MACH_SUNIV)) { + writel(CPU_CLK_SRC_OSC24M << CPU_CLK_SRC_SHIFT, + &ccm->cpu_axi_cfg); + } else { + writel(AXI_DIV_3 << AXI_DIV_SHIFT | + ATB_DIV_2 << ATB_DIV_SHIFT | + CPU_CLK_SRC_OSC24M << CPU_CLK_SRC_SHIFT, + &ccm->cpu_axi_cfg); + } /* * sun6i: PLL1 rate = ((24000000 * n * k) >> 0) / m (p is ignored) @@ -140,10 +165,15 @@ void clock_set_pll1(unsigned int clk) sdelay(200); /* Switch CPU to PLL1 */ - writel(AXI_DIV_3 << AXI_DIV_SHIFT | - ATB_DIV_2 << ATB_DIV_SHIFT | - CPU_CLK_SRC_PLL1 << CPU_CLK_SRC_SHIFT, - &ccm->cpu_axi_cfg); + if (IS_ENABLED(CONFIG_MACH_SUNIV)) { + writel(CPU_CLK_SRC_PLL1 << CPU_CLK_SRC_SHIFT, + &ccm->cpu_axi_cfg); + } else { + writel(AXI_DIV_3 << AXI_DIV_SHIFT | + ATB_DIV_2 << ATB_DIV_SHIFT | + CPU_CLK_SRC_PLL1 << CPU_CLK_SRC_SHIFT, + &ccm->cpu_axi_cfg); + } } #endif @@ -317,7 +347,10 @@ unsigned int clock_get_pll6(void) uint32_t rval = readl(&ccm->pll6_cfg); int n = ((rval & CCM_PLL6_CTRL_N_MASK) >> CCM_PLL6_CTRL_N_SHIFT) + 1; int k = ((rval & CCM_PLL6_CTRL_K_MASK) >> CCM_PLL6_CTRL_K_SHIFT) + 1; - return 24000000 * n * k / 2; + if (IS_ENABLED(CONFIG_MACH_SUNIV)) + return 24000000 * n * k; + else + return 24000000 * n * k / 2; } unsigned int clock_get_mipi_pll(void) diff --git a/arch/arm/mach-sunxi/cpu_info.c b/arch/arm/mach-sunxi/cpu_info.c index ba33ef2430..7eef178859 100644 --- a/arch/arm/mach-sunxi/cpu_info.c +++ b/arch/arm/mach-sunxi/cpu_info.c @@ -57,6 +57,8 @@ int print_cpuinfo(void) { #ifdef CONFIG_MACH_SUN4I puts("CPU: Allwinner A10 (SUN4I)\n"); +#elif defined CONFIG_MACH_SUNIV + puts("CPU: Allwinner F Series (SUNIV)\n"); #elif defined CONFIG_MACH_SUN5I u32 val = readl(SUNXI_SID_BASE + 0x08); switch ((val >> 12) & 0xf) { -- 2.34.1