diff options
Diffstat (limited to 'arch/arm/mach-snapdragon')
| -rw-r--r-- | arch/arm/mach-snapdragon/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/clock-apq8016.c | 23 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/clock-apq8096.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/clock-snapdragon.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/clock-snapdragon.h | 10 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/pinctrl-apq8016.c | 62 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/pinctrl-snapdragon.c | 128 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/pinctrl-snapdragon.h | 30 |
10 files changed, 271 insertions, 12 deletions
diff --git a/arch/arm/mach-snapdragon/Kconfig b/arch/arm/mach-snapdragon/Kconfig index d55dc1aaa1d..bfd99db6e27 100644 --- a/arch/arm/mach-snapdragon/Kconfig +++ b/arch/arm/mach-snapdragon/Kconfig @@ -3,6 +3,12 @@ if ARCH_SNAPDRAGON config SYS_SOC default "snapdragon" +config SYS_MALLOC_F_LEN + default 0x2000 + +config SPL_SYS_MALLOC_F_LEN + default 0x2000 + choice prompt "Snapdragon board select" diff --git a/arch/arm/mach-snapdragon/Makefile b/arch/arm/mach-snapdragon/Makefile index 1c23dc52cfb..1d35fea9126 100644 --- a/arch/arm/mach-snapdragon/Makefile +++ b/arch/arm/mach-snapdragon/Makefile @@ -6,4 +6,6 @@ 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-$(CONFIG_TARGET_DRAGONBOARD410C) += pinctrl-apq8016.o +obj-$(CONFIG_TARGET_DRAGONBOARD410C) += pinctrl-snapdragon.o obj-y += clock-snapdragon.o diff --git a/arch/arm/mach-snapdragon/clock-apq8016.c b/arch/arm/mach-snapdragon/clock-apq8016.c index 9c0cc1c22cc..6e4a0ccb90a 100644 --- a/arch/arm/mach-snapdragon/clock-apq8016.c +++ b/arch/arm/mach-snapdragon/clock-apq8016.c @@ -17,7 +17,6 @@ /* GPLL0 clock control registers */ #define GPLL0_STATUS_ACTIVE BIT(17) -#define APCS_GPLL_ENA_VOTE_GPLL0 BIT(0) static const struct bcr_regs sdc_regs[] = { { @@ -36,11 +35,17 @@ static const struct bcr_regs sdc_regs[] = { } }; -static struct gpll0_ctrl gpll0_ctrl = { +static struct pll_vote_clk gpll0_vote_clk = { .status = GPLL0_STATUS, .status_bit = GPLL0_STATUS_ACTIVE, .ena_vote = APCS_GPLL_ENA_VOTE, - .vote_bit = APCS_GPLL_ENA_VOTE_GPLL0, + .vote_bit = BIT(0), +}; + +static struct vote_clk gcc_blsp1_ahb_clk = { + .cbcr_reg = BLSP1_AHB_CBCR, + .ena_vote = APCS_CLOCK_BRANCH_ENA_VOTE, + .vote_bit = BIT(10), }; /* SDHCI */ @@ -55,7 +60,7 @@ static int clk_init_sdc(struct msm_clk_priv *priv, int slot, uint rate) /* 800Mhz/div, gpll0 */ clk_rcg_set_rate_mnd(priv->base, &sdc_regs[slot], div, 0, 0, CFG_CLK_SRC_GPLL0); - clk_enable_gpll0(priv->base, &gpll0_ctrl); + clk_enable_gpll0(priv->base, &gpll0_vote_clk); clk_enable_cbc(priv->base + SDCC_APPS_CBCR(slot)); return rate; @@ -72,12 +77,16 @@ static const struct bcr_regs uart2_regs = { /* UART: 115200 */ static int clk_init_uart(struct msm_clk_priv *priv) { - /* Enable iface clk */ - clk_enable_cbc(priv->base + BLSP1_AHB_CBCR); + /* Enable AHB clock */ + clk_enable_vote_clk(priv->base, &gcc_blsp1_ahb_clk); + /* 7372800 uart block clock @ GPLL0 */ clk_rcg_set_rate_mnd(priv->base, &uart2_regs, 1, 144, 15625, CFG_CLK_SRC_GPLL0); - clk_enable_gpll0(priv->base, &gpll0_ctrl); + + /* Vote for gpll0 clock */ + clk_enable_gpll0(priv->base, &gpll0_vote_clk); + /* Enable core clk */ clk_enable_cbc(priv->base + BLSP1_UART2_APPS_CBCR); diff --git a/arch/arm/mach-snapdragon/clock-apq8096.c b/arch/arm/mach-snapdragon/clock-apq8096.c index 008649a4c6b..628c38785b6 100644 --- a/arch/arm/mach-snapdragon/clock-apq8096.c +++ b/arch/arm/mach-snapdragon/clock-apq8096.c @@ -27,7 +27,7 @@ static const struct bcr_regs sdc_regs = { .D = SDCC2_D, }; -static const struct gpll0_ctrl gpll0_ctrl = { +static const struct pll_vote_clk gpll0_vote_clk = { .status = GPLL0_STATUS, .status_bit = GPLL0_STATUS_ACTIVE, .ena_vote = APCS_GPLL_ENA_VOTE, @@ -41,7 +41,7 @@ static int clk_init_sdc(struct msm_clk_priv *priv, uint rate) 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_gpll0(priv->base, &gpll0_vote_clk); clk_enable_cbc(priv->base + SDCC2_APPS_CBCR); return rate; diff --git a/arch/arm/mach-snapdragon/clock-snapdragon.c b/arch/arm/mach-snapdragon/clock-snapdragon.c index f738f57043c..85526186c60 100644 --- a/arch/arm/mach-snapdragon/clock-snapdragon.c +++ b/arch/arm/mach-snapdragon/clock-snapdragon.c @@ -30,7 +30,7 @@ void clk_enable_cbc(phys_addr_t cbcr) ; } -void clk_enable_gpll0(phys_addr_t base, const struct gpll0_ctrl *gpll0) +void clk_enable_gpll0(phys_addr_t base, const struct pll_vote_clk *gpll0) { if (readl(base + gpll0->status) & gpll0->status_bit) return; /* clock already enabled */ @@ -41,6 +41,21 @@ void clk_enable_gpll0(phys_addr_t base, const struct gpll0_ctrl *gpll0) ; } +#define BRANCH_ON_VAL (0) +#define BRANCH_NOC_FSM_ON_VAL BIT(29) +#define BRANCH_CHECK_MASK GENMASK(31, 28) + +void clk_enable_vote_clk(phys_addr_t base, const struct vote_clk *vclk) +{ + u32 val; + + setbits_le32(base + vclk->ena_vote, vclk->vote_bit); + do { + val = readl(base + vclk->cbcr_reg); + val &= BRANCH_CHECK_MASK; + } while ((val != BRANCH_ON_VAL) && (val != BRANCH_NOC_FSM_ON_VAL)); +} + #define APPS_CMD_RGCR_UPDATE BIT(0) /* Update clock command via CMD_RGCR */ diff --git a/arch/arm/mach-snapdragon/clock-snapdragon.h b/arch/arm/mach-snapdragon/clock-snapdragon.h index 2cff4f8a06c..58fab40a2e4 100644 --- a/arch/arm/mach-snapdragon/clock-snapdragon.h +++ b/arch/arm/mach-snapdragon/clock-snapdragon.h @@ -11,13 +11,18 @@ #define CFG_CLK_SRC_GPLL0 (1 << 8) #define CFG_CLK_SRC_MASK (7 << 8) -struct gpll0_ctrl { +struct pll_vote_clk { uintptr_t status; int status_bit; uintptr_t ena_vote; int vote_bit; }; +struct vote_clk { + uintptr_t cbcr_reg; + uintptr_t ena_vote; + int vote_bit; +}; struct bcr_regs { uintptr_t cfg_rcgr; uintptr_t cmd_rcgr; @@ -30,9 +35,10 @@ struct msm_clk_priv { phys_addr_t base; }; -void clk_enable_gpll0(phys_addr_t base, const struct gpll0_ctrl *pll0); +void clk_enable_gpll0(phys_addr_t base, const struct pll_vote_clk *gpll0); void clk_bcr_update(phys_addr_t apps_cmd_rgcr); void clk_enable_cbc(phys_addr_t cbcr); +void clk_enable_vote_clk(phys_addr_t base, const struct vote_clk *vclk); void clk_rcg_set_rate_mnd(phys_addr_t base, const struct bcr_regs *regs, int div, int m, int n, int source); diff --git a/arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h b/arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h index ae784387fa1..520e2e6bd7c 100644 --- a/arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h +++ b/arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h @@ -13,6 +13,7 @@ /* Clocks: (from CLK_CTL_BASE) */ #define GPLL0_STATUS (0x2101C) #define APCS_GPLL_ENA_VOTE (0x45000) +#define APCS_CLOCK_BRANCH_ENA_VOTE (0x45004) #define SDCC_BCR(n) ((n * 0x1000) + 0x41000) #define SDCC_CMD_RCGR(n) ((n * 0x1000) + 0x41004) diff --git a/arch/arm/mach-snapdragon/pinctrl-apq8016.c b/arch/arm/mach-snapdragon/pinctrl-apq8016.c new file mode 100644 index 00000000000..bdb755d0e49 --- /dev/null +++ b/arch/arm/mach-snapdragon/pinctrl-apq8016.c @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm APQ8016 pinctrl + * + * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com> + * + */ + +#include "pinctrl-snapdragon.h" +#include <common.h> + +#define MAX_PIN_NAME_LEN 32 +static char pin_name[MAX_PIN_NAME_LEN]; +static const char * const msm_pinctrl_pins[] = { + "SDC1_CLK", + "SDC1_CMD", + "SDC1_DATA", + "SDC2_CLK", + "SDC2_CMD", + "SDC2_DATA", + "QDSD_CLK", + "QDSD_CMD", + "QDSD_DATA0", + "QDSD_DATA1", + "QDSD_DATA2", + "QDSD_DATA3", +}; + +static const struct pinctrl_function msm_pinctrl_functions[] = { + {"blsp1_uart", 2}, +}; + +static const char *apq8016_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].name; +} + +static const char *apq8016_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + if (selector < 130) { + snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector); + return pin_name; + } else { + return msm_pinctrl_pins[selector - 130]; + } +} + +static unsigned int apq8016_get_function_mux(unsigned int selector) +{ + return msm_pinctrl_functions[selector].val; +} + +struct msm_pinctrl_data apq8016_data = { + .pin_count = 140, + .functions_count = ARRAY_SIZE(msm_pinctrl_functions), + .get_function_name = apq8016_get_function_name, + .get_function_mux = apq8016_get_function_mux, + .get_pin_name = apq8016_get_pin_name, +}; + diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c new file mode 100644 index 00000000000..5365ccdb70c --- /dev/null +++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * TLMM driver for Qualcomm APQ8016, APQ8096 + * + * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com> + * + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <asm/io.h> +#include <dm/pinctrl.h> +#include "pinctrl-snapdragon.h" + +struct msm_pinctrl_priv { + phys_addr_t base; + struct msm_pinctrl_data *data; +}; + +#define GPIO_CONFIG_OFFSET(x) ((x) * 0x1000) +#define TLMM_GPIO_PULL_MASK GENMASK(1, 0) +#define TLMM_FUNC_SEL_MASK GENMASK(5, 2) +#define TLMM_DRV_STRENGTH_MASK GENMASK(8, 6) +#define TLMM_GPIO_ENABLE BIT(9) + +static const struct pinconf_param msm_conf_params[] = { + { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 3 }, + { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, +}; + +static int msm_get_functions_count(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->functions_count; +} + +static int msm_get_pins_count(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->pin_count; +} + +static const char *msm_get_function_name(struct udevice *dev, + unsigned int selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->get_function_name(dev, selector); +} + +static int msm_pinctrl_probe(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + priv->base = devfdt_get_addr(dev); + priv->data = (struct msm_pinctrl_data *)dev->driver_data; + + return priv->base == FDT_ADDR_T_NONE ? -EINVAL : 0; +} + +static const char *msm_get_pin_name(struct udevice *dev, unsigned int selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->get_pin_name(dev, selector); +} + +static int msm_pinmux_set(struct udevice *dev, unsigned int pin_selector, + unsigned int func_selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_FUNC_SEL_MASK | TLMM_GPIO_ENABLE, + priv->data->get_function_mux(func_selector) << 2); + return 0; +} + +static int msm_pinconf_set(struct udevice *dev, unsigned int pin_selector, + unsigned int param, unsigned int argument) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + switch (param) { + case PIN_CONFIG_DRIVE_STRENGTH: + clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_DRV_STRENGTH_MASK, argument << 6); + break; + case PIN_CONFIG_BIAS_DISABLE: + clrbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_GPIO_PULL_MASK); + break; + default: + return 0; + } + + return 0; +} + +static struct pinctrl_ops msm_pinctrl_ops = { + .get_pins_count = msm_get_pins_count, + .get_pin_name = msm_get_pin_name, + .set_state = pinctrl_generic_set_state, + .pinmux_set = msm_pinmux_set, + .pinconf_num_params = ARRAY_SIZE(msm_conf_params), + .pinconf_params = msm_conf_params, + .pinconf_set = msm_pinconf_set, + .get_functions_count = msm_get_functions_count, + .get_function_name = msm_get_function_name, +}; + +static const struct udevice_id msm_pinctrl_ids[] = { + { .compatible = "qcom,tlmm-msm8916", .data = (ulong)&apq8016_data }, + { .compatible = "qcom,tlmm-apq8016", .data = (ulong)&apq8016_data }, + { } +}; + +U_BOOT_DRIVER(pinctrl_snapdraon) = { + .name = "pinctrl_msm", + .id = UCLASS_PINCTRL, + .of_match = msm_pinctrl_ids, + .priv_auto_alloc_size = sizeof(struct msm_pinctrl_priv), + .ops = &msm_pinctrl_ops, + .probe = msm_pinctrl_probe, +}; diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h new file mode 100644 index 00000000000..c47d988af4c --- /dev/null +++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Qualcomm Pin control + * + * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com> + * + */ +#ifndef _PINCTRL_SNAPDRAGON_H +#define _PINCTRL_SNAPDRAGON_H + +#include <common.h> + +struct msm_pinctrl_data { + int pin_count; + int functions_count; + const char *(*get_function_name)(struct udevice *dev, + unsigned int selector); + unsigned int (*get_function_mux)(unsigned int selector); + const char *(*get_pin_name)(struct udevice *dev, + unsigned int selector); +}; + +struct pinctrl_function { + const char *name; + int val; +}; + +extern struct msm_pinctrl_data apq8016_data; + +#endif |