diff options
Diffstat (limited to 'arch/arm/mach-rockchip/px30/px30.c')
| -rw-r--r-- | arch/arm/mach-rockchip/px30/px30.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/px30/px30.c b/arch/arm/mach-rockchip/px30/px30.c new file mode 100644 index 0000000000..bacdcc0b93 --- /dev/null +++ b/arch/arm/mach-rockchip/px30/px30.c @@ -0,0 +1,248 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2017 Rockchip Electronics Co., Ltd + */ +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <asm/armv8/mmu.h> +#include <asm/io.h> +#include <asm/arch-rockchip/grf_px30.h> +#include <asm/arch-rockchip/hardware.h> +#include <asm/arch-rockchip/uart.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/cru_px30.h> +#include <dt-bindings/clock/px30-cru.h> + +static struct mm_region px30_mem_map[] = { + { + .virt = 0x0UL, + .phys = 0x0UL, + .size = 0xff000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0xff000000UL, + .phys = 0xff000000UL, + .size = 0x01000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = px30_mem_map; + +#define PMU_PWRDN_CON 0xff000018 +#define GRF_BASE 0xff140000 +#define CRU_BASE 0xff2b0000 +#define VIDEO_PHY_BASE 0xff2e0000 +#define SERVICE_CORE_ADDR 0xff508000 +#define DDR_FW_BASE 0xff534000 + +#define FW_DDR_CON 0x40 + +#define QOS_PRIORITY 0x08 + +#define QOS_PRIORITY_LEVEL(h, l) ((((h) & 3) << 8) | ((l) & 3)) + +/* GRF_GPIO1CL_IOMUX */ +enum { + GPIO1C1_SHIFT = 4, + GPIO1C1_MASK = 0xf << GPIO1C1_SHIFT, + GPIO1C1_GPIO = 0, + GPIO1C1_UART1_TX, + + GPIO1C0_SHIFT = 0, + GPIO1C0_MASK = 0xf << GPIO1C0_SHIFT, + GPIO1C0_GPIO = 0, + GPIO1C0_UART1_RX, +}; + +/* GRF_GPIO1DL_IOMUX */ +enum { + GPIO1D3_SHIFT = 12, + GPIO1D3_MASK = 0xf << GPIO1D3_SHIFT, + GPIO1D3_GPIO = 0, + GPIO1D3_SDMMC_D1, + GPIO1D3_UART2_RXM0, + + GPIO1D2_SHIFT = 8, + GPIO1D2_MASK = 0xf << GPIO1D2_SHIFT, + GPIO1D2_GPIO = 0, + GPIO1D2_SDMMC_D0, + GPIO1D2_UART2_TXM0, +}; + +/* GRF_GPIO1DH_IOMUX */ +enum { + GPIO1D7_SHIFT = 12, + GPIO1D7_MASK = 0xf << GPIO1D7_SHIFT, + GPIO1D7_GPIO = 0, + GPIO1D7_SDMMC_CMD, + + GPIO1D6_SHIFT = 8, + GPIO1D6_MASK = 0xf << GPIO1D6_SHIFT, + GPIO1D6_GPIO = 0, + GPIO1D6_SDMMC_CLK, + + GPIO1D5_SHIFT = 4, + GPIO1D5_MASK = 0xf << GPIO1D5_SHIFT, + GPIO1D5_GPIO = 0, + GPIO1D5_SDMMC_D3, + + GPIO1D4_SHIFT = 0, + GPIO1D4_MASK = 0xf << GPIO1D4_SHIFT, + GPIO1D4_GPIO = 0, + GPIO1D4_SDMMC_D2, +}; + +/* GRF_GPIO2BH_IOMUX */ +enum { + GPIO2B6_SHIFT = 8, + GPIO2B6_MASK = 0xf << GPIO2B6_SHIFT, + GPIO2B6_GPIO = 0, + GPIO2B6_CIF_D1M0, + GPIO2B6_UART2_RXM1, + + GPIO2B4_SHIFT = 0, + GPIO2B4_MASK = 0xf << GPIO2B4_SHIFT, + GPIO2B4_GPIO = 0, + GPIO2B4_CIF_D0M0, + GPIO2B4_UART2_TXM1, +}; + +/* GRF_GPIO3AL_IOMUX */ +enum { + GPIO3A2_SHIFT = 8, + GPIO3A2_MASK = 0xf << GPIO3A2_SHIFT, + GPIO3A2_GPIO = 0, + GPIO3A2_UART5_TX = 4, + + GPIO3A1_SHIFT = 4, + GPIO3A1_MASK = 0xf << GPIO3A1_SHIFT, + GPIO3A1_GPIO = 0, + GPIO3A1_UART5_RX = 4, +}; + +int arch_cpu_init(void) +{ + static struct px30_grf * const grf = (void *)GRF_BASE; + u32 __maybe_unused val; + +#ifdef CONFIG_SPL_BUILD + /* We do some SoC one time setting here. */ + /* Disable the ddr secure region setting to make it non-secure */ + writel(0x0, DDR_FW_BASE + FW_DDR_CON); + + /* Set cpu qos priority */ + writel(QOS_PRIORITY_LEVEL(1, 1), SERVICE_CORE_ADDR + QOS_PRIORITY); + +#if !defined(CONFIG_DEBUG_UART_BOARD_INIT) || \ + (CONFIG_DEBUG_UART_BASE != 0xff160000) || \ + (CONFIG_DEBUG_UART_CHANNEL != 0) + /* fix sdmmc pinmux if not using uart2-channel0 as debug uart */ + rk_clrsetreg(&grf->gpio1dl_iomux, + GPIO1D3_MASK | GPIO1D2_MASK, + GPIO1D3_SDMMC_D1 << GPIO1D3_SHIFT | + GPIO1D2_SDMMC_D0 << GPIO1D2_SHIFT); + rk_clrsetreg(&grf->gpio1dh_iomux, + GPIO1D7_MASK | GPIO1D6_MASK | GPIO1D5_MASK | GPIO1D4_MASK, + GPIO1D7_SDMMC_CMD << GPIO1D7_SHIFT | + GPIO1D6_SDMMC_CLK << GPIO1D6_SHIFT | + GPIO1D5_SDMMC_D3 << GPIO1D5_SHIFT | + GPIO1D4_SDMMC_D2 << GPIO1D4_SHIFT); +#endif + +#endif + + /* Enable PD_VO (default disable at reset) */ + rk_clrreg(PMU_PWRDN_CON, 1 << 13); + + /* Disable video phy bandgap by default */ + writel(0x82, VIDEO_PHY_BASE + 0x0000); + writel(0x05, VIDEO_PHY_BASE + 0x03ac); + + /* Clear the force_jtag */ + rk_clrreg(&grf->cpu_con[1], 1 << 7); + + return 0; +} + +#ifdef CONFIG_DEBUG_UART_BOARD_INIT +void board_debug_uart_init(void) +{ + static struct px30_grf * const grf = (void *)GRF_BASE; + static struct px30_cru * const cru = (void *)CRU_BASE; + +#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff158000) + /* uart_sel_clk default select 24MHz */ + rk_clrsetreg(&cru->clksel_con[34], + UART1_PLL_SEL_MASK | UART1_DIV_CON_MASK, + UART1_PLL_SEL_24M << UART1_PLL_SEL_SHIFT | 0); + rk_clrsetreg(&cru->clksel_con[35], + UART1_CLK_SEL_MASK, + UART1_CLK_SEL_UART1 << UART1_CLK_SEL_SHIFT); + + rk_clrsetreg(&grf->gpio1cl_iomux, + GPIO1C1_MASK | GPIO1C0_MASK, + GPIO1C1_UART1_TX << GPIO1C1_SHIFT | + GPIO1C0_UART1_RX << GPIO1C0_SHIFT); +#elif defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff178000) + /* uart_sel_clk default select 24MHz */ + rk_clrsetreg(&cru->clksel_con[46], + UART5_PLL_SEL_MASK | UART5_DIV_CON_MASK, + UART5_PLL_SEL_24M << UART5_PLL_SEL_SHIFT | 0); + rk_clrsetreg(&cru->clksel_con[47], + UART5_CLK_SEL_MASK, + UART5_CLK_SEL_UART5 << UART5_CLK_SEL_SHIFT); + + rk_clrsetreg(&grf->gpio3al_iomux, + GPIO3A2_MASK | GPIO3A1_MASK, + GPIO3A2_UART5_TX << GPIO3A2_SHIFT | + GPIO3A1_UART5_RX << GPIO3A1_SHIFT); +#else + /* GRF_IOFUNC_CON0 */ + enum { + CON_IOMUX_UART2SEL_SHIFT = 10, + CON_IOMUX_UART2SEL_MASK = 3 << CON_IOMUX_UART2SEL_SHIFT, + CON_IOMUX_UART2SEL_M0 = 0, + CON_IOMUX_UART2SEL_M1, + CON_IOMUX_UART2SEL_USBPHY, + }; + + /* uart_sel_clk default select 24MHz */ + rk_clrsetreg(&cru->clksel_con[37], + UART2_PLL_SEL_MASK | UART2_DIV_CON_MASK, + UART2_PLL_SEL_24M << UART2_PLL_SEL_SHIFT | 0); + rk_clrsetreg(&cru->clksel_con[38], + UART2_CLK_SEL_MASK, + UART2_CLK_SEL_UART2 << UART2_CLK_SEL_SHIFT); + +#if (CONFIG_DEBUG_UART2_CHANNEL == 1) + /* Enable early UART2 */ + rk_clrsetreg(&grf->iofunc_con0, + CON_IOMUX_UART2SEL_MASK, + CON_IOMUX_UART2SEL_M1 << CON_IOMUX_UART2SEL_SHIFT); + + rk_clrsetreg(&grf->gpio2bh_iomux, + GPIO2B6_MASK | GPIO2B4_MASK, + GPIO2B6_UART2_RXM1 << GPIO2B6_SHIFT | + GPIO2B4_UART2_TXM1 << GPIO2B4_SHIFT); +#else + rk_clrsetreg(&grf->iofunc_con0, + CON_IOMUX_UART2SEL_MASK, + CON_IOMUX_UART2SEL_M0 << CON_IOMUX_UART2SEL_SHIFT); + + rk_clrsetreg(&grf->gpio1dl_iomux, + GPIO1D3_MASK | GPIO1D2_MASK, + GPIO1D3_UART2_RXM0 << GPIO1D3_SHIFT | + GPIO1D2_UART2_TXM0 << GPIO1D2_SHIFT); +#endif /* CONFIG_DEBUG_UART2_CHANNEL == 1 */ + +#endif /* CONFIG_DEBUG_UART_BASE && CONFIG_DEBUG_UART_BASE == ... */ +} +#endif /* CONFIG_DEBUG_UART_BOARD_INIT */ |