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author | Kever Yang <kever.yang@rock-chips.com> | 2017-06-23 09:17:52 (GMT) |
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committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-07-11 10:13:46 (GMT) |
commit | 168eef7ada98c6bff53458013e42cdbc5adb3cd4 (patch) | |
tree | b1172b103a24b290219d9f5e65076c9f07346c08 /arch/arm/mach-rockchip/rk322x-board.c | |
parent | b647442ce8a3c191677155ff29ca0c41dc8c6d0c (diff) | |
download | u-boot-fsl-qoriq-168eef7ada98c6bff53458013e42cdbc5adb3cd4.tar.xz |
rockchip: rk322x: add basic soc support
Enable soc support for SPL and U-boot skeleton.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Diffstat (limited to 'arch/arm/mach-rockchip/rk322x-board.c')
-rw-r--r-- | arch/arm/mach-rockchip/rk322x-board.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk322x-board.c b/arch/arm/mach-rockchip/rk322x-board.c new file mode 100644 index 0000000..b6543a5 --- /dev/null +++ b/arch/arm/mach-rockchip/rk322x-board.c @@ -0,0 +1,136 @@ +/* + * (C) Copyright 2017 Rockchip Electronics Co., Ltd. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <ram.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/periph.h> +#include <asm/arch/grf_rk322x.h> +#include <asm/arch/boot_mode.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define GRF_BASE 0x11000000 + +static void setup_boot_mode(void) +{ + struct rk322x_grf *const grf = (void *)GRF_BASE; + int boot_mode = readl(&grf->os_reg[4]); + + debug("boot mode %x.\n", boot_mode); + + /* Clear boot mode */ + writel(BOOT_NORMAL, &grf->os_reg[4]); + + switch (boot_mode) { + case BOOT_FASTBOOT: + printf("enter fastboot!\n"); + setenv("preboot", "setenv preboot; fastboot usb0"); + break; + case BOOT_UMS: + printf("enter UMS!\n"); + setenv("preboot", "setenv preboot; ums mmc 0"); + break; + } +} + +__weak int rk_board_late_init(void) +{ + return 0; +} + +int board_late_init(void) +{ + setup_boot_mode(); + + return rk_board_late_init(); +} + +int board_init(void) +{ +#include <asm/arch/grf_rk322x.h> + /* Enable early UART2 channel 1 on the RK322x */ +#define GRF_BASE 0x11000000 + struct rk322x_grf * const grf = (void *)GRF_BASE; + + rk_clrsetreg(&grf->gpio1b_iomux, + GPIO1B1_MASK | GPIO1B2_MASK, + GPIO1B2_UART21_SIN << GPIO1B2_SHIFT | + GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT); + /* Set channel C as UART2 input */ + rk_clrsetreg(&grf->con_iomux, + CON_IOMUX_UART2SEL_MASK, + CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT); + + return 0; +} + +int dram_init_banksize(void) +{ + /* Reserve 0x200000 for OPTEE */ + gd->bd->bi_dram[0].start = 0x60000000; + gd->bd->bi_dram[0].size = 0x8400000; + gd->bd->bi_dram[1].start = 0x6a400000; + gd->bd->bi_dram[1].size = gd->ram_size - gd->bd->bi_dram[1].start; + + return 0; +} + +#ifndef CONFIG_SYS_DCACHE_OFF +void enable_caches(void) +{ + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +} +#endif + +#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) +#include <usb.h> +#include <usb/dwc2_udc.h> + +static struct dwc2_plat_otg_data rk322x_otg_data = { + .rx_fifo_sz = 512, + .np_tx_fifo_sz = 16, + .tx_fifo_sz = 128, +}; + +int board_usb_init(int index, enum usb_init_type init) +{ + int node; + const char *mode; + bool matched = false; + const void *blob = gd->fdt_blob; + + /* find the usb_otg node */ + node = fdt_node_offset_by_compatible(blob, -1, + "rockchip,rk3288-usb"); + + while (node > 0) { + mode = fdt_getprop(blob, node, "dr_mode", NULL); + if (mode && strcmp(mode, "otg") == 0) { + matched = true; + break; + } + + node = fdt_node_offset_by_compatible(blob, node, + "rockchip,rk3288-usb"); + } + if (!matched) { + debug("Not found usb_otg device\n"); + return -ENODEV; + } + rk322x_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg"); + + return dwc2_udc_probe(&rk322x_otg_data); +} + +int board_usb_cleanup(int index, enum usb_init_type init) +{ + return 0; +} +#endif |