diff options
Diffstat (limited to 'arch/arm/mach-snapdragon')
| -rw-r--r-- | arch/arm/mach-snapdragon/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/clock-apq8096.c | 62 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/include/mach/sysmap-apq8096.h | 29 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/sysmap-apq8096.c | 32 |
5 files changed, 135 insertions, 0 deletions
diff --git a/arch/arm/mach-snapdragon/Kconfig b/arch/arm/mach-snapdragon/Kconfig index dc7ba21c18..d55dc1aaa1 100644 --- a/arch/arm/mach-snapdragon/Kconfig +++ b/arch/arm/mach-snapdragon/Kconfig @@ -19,8 +19,18 @@ config TARGET_DRAGONBOARD410C - HDMI - 20-pin low speed and 40-pin high speed expanders, 4 LED, 3 buttons +config TARGET_DRAGONBOARD820C + bool "96Boards Dragonboard 820C" + help + Support for 96Boards Dragonboard 820C. This board complies with + 96Board Open Platform Specifications. Features: + - Qualcomm Snapdragon 820C SoC - APQ8096 (4xKyro CPU) + - 3GiB RAM + - 32GiB UFS drive + endchoice source "board/qualcomm/dragonboard410c/Kconfig" +source "board/qualcomm/dragonboard820c/Kconfig" endif diff --git a/arch/arm/mach-snapdragon/Makefile b/arch/arm/mach-snapdragon/Makefile index d798b82f07..090c355b6b 100644 --- a/arch/arm/mach-snapdragon/Makefile +++ b/arch/arm/mach-snapdragon/Makefile @@ -4,6 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ # +obj-$(CONFIG_TARGET_DRAGONBOARD820C) += clock-apq8096.o +obj-$(CONFIG_TARGET_DRAGONBOARD820C) += sysmap-apq8096.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += clock-apq8016.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += sysmap-apq8016.o obj-y += clock-snapdragon.o diff --git a/arch/arm/mach-snapdragon/clock-apq8096.c b/arch/arm/mach-snapdragon/clock-apq8096.c new file mode 100644 index 0000000000..3d363d4d66 --- /dev/null +++ b/arch/arm/mach-snapdragon/clock-apq8096.c @@ -0,0 +1,62 @@ +/* + * Clock drivers for Qualcomm APQ8096 + * + * (C) Copyright 2017 Jorge Ramirez Ortiz <jorge.ramirez-ortiz@linaro.org> + * + * Based on Little Kernel driver, simplified + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <errno.h> +#include <asm/io.h> +#include <linux/bitops.h> +#include "clock-snapdragon.h" + +/* GPLL0 clock control registers */ +#define GPLL0_STATUS_ACTIVE BIT(30) +#define APCS_GPLL_ENA_VOTE_GPLL0 BIT(0) + +static const struct bcr_regs sdc_regs = { + .cfg_rcgr = SDCC2_CFG_RCGR, + .cmd_rcgr = SDCC2_CMD_RCGR, + .M = SDCC2_M, + .N = SDCC2_N, + .D = SDCC2_D, +}; + +static const struct gpll0_ctrl gpll0_ctrl = { + .status = GPLL0_STATUS, + .status_bit = GPLL0_STATUS_ACTIVE, + .ena_vote = APCS_GPLL_ENA_VOTE, + .vote_bit = APCS_GPLL_ENA_VOTE_GPLL0, +}; + +static int clk_init_sdc(struct msm_clk_priv *priv, uint rate) +{ + int div = 3; + + clk_enable_cbc(priv->base + SDCC2_AHB_CBCR); + clk_rcg_set_rate_mnd(priv->base, &sdc_regs, div, 0, 0, + CFG_CLK_SRC_GPLL0); + clk_enable_gpll0(priv->base, &gpll0_ctrl); + clk_enable_cbc(priv->base + SDCC2_APPS_CBCR); + + return rate; +} + +ulong msm_set_rate(struct clk *clk, ulong rate) +{ + struct msm_clk_priv *priv = dev_get_priv(clk->dev); + + switch (clk->id) { + case 0: /* SDC1 */ + return clk_init_sdc(priv, rate); + break; + default: + return 0; + } +} diff --git a/arch/arm/mach-snapdragon/include/mach/sysmap-apq8096.h b/arch/arm/mach-snapdragon/include/mach/sysmap-apq8096.h new file mode 100644 index 0000000000..fb89de258d --- /dev/null +++ b/arch/arm/mach-snapdragon/include/mach/sysmap-apq8096.h @@ -0,0 +1,29 @@ +/* + * Qualcomm APQ8096 sysmap + * + * (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _MACH_SYSMAP_APQ8096_H +#define _MACH_SYSMAP_APQ8096_H + +#define TLMM_BASE_ADDR (0x1010000) + +/* Strength (sdc1) */ +#define SDC1_HDRV_PULL_CTL_REG (TLMM_BASE_ADDR + 0x0012D000) + +/* Clocks: (from CLK_CTL_BASE) */ +#define GPLL0_STATUS (0x0000) +#define APCS_GPLL_ENA_VOTE (0x52000) + +#define SDCC2_BCR (0x14000) /* block reset */ +#define SDCC2_APPS_CBCR (0x14004) /* branch control */ +#define SDCC2_AHB_CBCR (0x14008) +#define SDCC2_CMD_RCGR (0x14010) +#define SDCC2_CFG_RCGR (0x14014) +#define SDCC2_M (0x14018) +#define SDCC2_N (0x1401C) +#define SDCC2_D (0x14020) + +#endif diff --git a/arch/arm/mach-snapdragon/sysmap-apq8096.c b/arch/arm/mach-snapdragon/sysmap-apq8096.c new file mode 100644 index 0000000000..cb6d1e475b --- /dev/null +++ b/arch/arm/mach-snapdragon/sysmap-apq8096.c @@ -0,0 +1,32 @@ +/* + * Qualcomm APQ8096 memory map + * + * (C) Copyright 2017 Jorge Ramirez Ortiz <jorge.ramirez-ortiz@linaro.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/armv8/mmu.h> + +static struct mm_region apq8096_mem_map[] = { + { + .virt = 0x0UL, /* Peripheral block */ + .phys = 0x0UL, /* Peripheral block */ + .size = 0x10000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + .virt = 0x80000000UL, /* DDR */ + .phys = 0x80000000UL, /* DDR */ + .size = 0xC0000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = apq8096_mem_map; |