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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2016 Rockchip Electronics Co., Ltd
*/
#include <common.h>
#include <asm/armv7.h>
#include <asm/io.h>
#include <asm/arch-rockchip/bootrom.h>
#include <asm/arch-rockchip/hardware.h>
#include <asm/arch-rockchip/grf_rk3288.h>
#include <asm/arch-rockchip/pmu_rk3288.h>
#include <asm/arch-rockchip/qos_rk3288.h>
#include <asm/arch-rockchip/sdram_common.h>
DECLARE_GLOBAL_DATA_PTR;
#define GRF_BASE 0xff770000
const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
[BROM_BOOTSOURCE_EMMC] = "dwmmc@ff0f0000",
[BROM_BOOTSOURCE_SD] = "dwmmc@ff0c0000",
};
#ifdef CONFIG_SPL_BUILD
static void configure_l2ctlr(void)
{
u32 l2ctlr;
l2ctlr = read_l2ctlr();
l2ctlr &= 0xfffc0000; /* clear bit0~bit17 */
/*
* Data RAM write latency: 2 cycles
* Data RAM read latency: 2 cycles
* Data RAM setup latency: 1 cycle
* Tag RAM write latency: 1 cycle
* Tag RAM read latency: 1 cycle
* Tag RAM setup latency: 1 cycle
*/
l2ctlr |= (1 << 3 | 1 << 0);
write_l2ctlr(l2ctlr);
}
#endif
int rk3288_qos_init(void)
{
int val = 2 << PRIORITY_HIGH_SHIFT | 2 << PRIORITY_LOW_SHIFT;
/* set vop qos to higher priority */
writel(val, CPU_AXI_QOS_PRIORITY + VIO0_VOP_QOS);
writel(val, CPU_AXI_QOS_PRIORITY + VIO1_VOP_QOS);
if (!fdt_node_check_compatible(gd->fdt_blob, 0,
"rockchip,rk3288-tinker")) {
/* set isp qos to higher priority */
writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_R_QOS);
writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_W0_QOS);
writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_W1_QOS);
}
return 0;
}
int arch_cpu_init(void)
{
#ifdef CONFIG_SPL_BUILD
configure_l2ctlr();
#else
/* We do some SoC one time setting here. */
struct rk3288_grf * const grf = (void *)GRF_BASE;
/* Use rkpwm by default */
rk_setreg(&grf->soc_con2, 1 << 0);
/*
* Disable JTAG on sdmmc0 IO. The SDMMC won't work until this bit is
* cleared
*/
rk_clrreg(&grf->soc_con0, 1 << 12);
rk3288_qos_init();
#endif
return 0;
}
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
{
/* Enable early UART on the RK3288 */
struct rk3288_grf * const grf = (void *)GRF_BASE;
rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
GPIO7C6_MASK << GPIO7C6_SHIFT,
GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
}
#endif
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