diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/clock.h | 12 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/board.c | 39 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3288/sdram_rk3288.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-snapdragon/clock-apq8016.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/clk.c | 1 | ||||
| -rw-r--r-- | arch/mips/mach-pic32/cpu.c | 45 | ||||
| -rw-r--r-- | arch/sandbox/dts/test.dts | 17 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/clk.h | 111 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/test.h | 9 |
9 files changed, 204 insertions, 55 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/clock.h b/arch/arm/include/asm/arch-rockchip/clock.h index d66b26f18e..317e5128ed 100644 --- a/arch/arm/include/asm/arch-rockchip/clock.h +++ b/arch/arm/include/asm/arch-rockchip/clock.h @@ -62,18 +62,6 @@ static inline u32 clk_get_divisor(ulong input_rate, uint output_rate) */ void *rockchip_get_cru(void); -/** - * rkclk_get_clk() - get a pointer to a given clock - * - * This is an internal function - use outside the clock subsystem indicates - * that work is needed! - * - * @clk_id: Clock requested - * @devp: Returns a pointer to that clock - * @return 0 if OK, -ve on error - */ -int rkclk_get_clk(enum rk_clk_id clk_id, struct udevice **devp); - struct rk3288_cru; struct rk3288_grf; diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c index 133d66341b..816540e582 100644 --- a/arch/arm/mach-rockchip/board.c +++ b/arch/arm/mach-rockchip/board.c @@ -9,6 +9,7 @@ #include <dm.h> #include <ram.h> #include <asm/io.h> +#include <asm/arch/clock.h> DECLARE_GLOBAL_DATA_PTR; @@ -54,15 +55,43 @@ void lowlevel_init(void) static int do_clock(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { + static const struct { + char *name; + int id; + } clks[] = { + { "osc", CLK_OSC }, + { "apll", CLK_ARM }, + { "dpll", CLK_DDR }, + { "cpll", CLK_CODEC }, + { "gpll", CLK_GENERAL }, +#ifdef CONFIG_ROCKCHIP_RK3036 + { "mpll", CLK_NEW }, +#else + { "npll", CLK_NEW }, +#endif + }; + int ret, i; struct udevice *dev; - for (uclass_first_device(UCLASS_CLK, &dev); - dev; - uclass_next_device(&dev)) { + ret = uclass_get_device(UCLASS_CLK, 0, &dev); + if (ret) { + printf("clk-uclass not found\n"); + return 0; + } + + for (i = 0; i < ARRAY_SIZE(clks); i++) { + struct clk clk; ulong rate; - rate = clk_get_rate(dev); - printf("%s: %lu\n", dev->name, rate); + clk.id = clks[i].id; + ret = clk_request(dev, &clk); + if (ret < 0) + continue; + + rate = clk_get_rate(&clk); + printf("%s: %lu\n", clks[i].name, rate); + + clk_free(&clk); } return 0; diff --git a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c index 2e21282335..55ac73e9d2 100644 --- a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c +++ b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c @@ -36,7 +36,7 @@ struct chan_info { struct dram_info { struct chan_info chan[2]; struct ram_info info; - struct udevice *ddr_clk; + struct clk ddr_clk; struct rk3288_cru *cru; struct rk3288_grf *grf; struct rk3288_sgrf *sgrf; @@ -576,7 +576,7 @@ static void dram_all_config(const struct dram_info *dram, rk_clrsetreg(&dram->sgrf->soc_con2, 0x1f, sdram_params->base.stride); } -static int sdram_init(const struct dram_info *dram, +static int sdram_init(struct dram_info *dram, const struct rk3288_sdram_params *sdram_params) { int channel; @@ -592,8 +592,8 @@ static int sdram_init(const struct dram_info *dram, return -E2BIG; } - debug("ddr clk %s\n", dram->ddr_clk->name); - ret = clk_set_rate(dram->ddr_clk, sdram_params->base.ddr_freq); + debug("ddr clk dpll\n"); + ret = clk_set_rate(&dram->ddr_clk, sdram_params->base.ddr_freq); debug("ret=%d\n", ret); if (ret) { debug("Could not set DDR clock\n"); @@ -836,6 +836,7 @@ static int rk3288_dmc_probe(struct udevice *dev) struct dram_info *priv = dev_get_priv(dev); struct regmap *map; int ret; + struct udevice *dev_clk; map = syscon_get_regmap_by_driver_data(ROCKCHIP_SYSCON_NOC); if (IS_ERR(map)) @@ -856,7 +857,11 @@ static int rk3288_dmc_probe(struct udevice *dev) priv->chan[1].pctl = regmap_get_range(map, 2); priv->chan[1].publ = regmap_get_range(map, 3); - ret = uclass_get_device(UCLASS_CLK, CLK_DDR, &priv->ddr_clk); + ret = uclass_get_device(UCLASS_CLK, 0, &dev_clk); + if (ret) + return ret; + priv->ddr_clk.id = CLK_DDR; + ret = clk_request(dev_clk, &priv->ddr_clk); if (ret) return ret; diff --git a/arch/arm/mach-snapdragon/clock-apq8016.c b/arch/arm/mach-snapdragon/clock-apq8016.c index d548d757d3..c2cf92494a 100644 --- a/arch/arm/mach-snapdragon/clock-apq8016.c +++ b/arch/arm/mach-snapdragon/clock-apq8016.c @@ -9,7 +9,7 @@ */ #include <common.h> -#include <clk.h> +#include <clk-uclass.h> #include <dm.h> #include <errno.h> #include <asm/io.h> @@ -212,11 +212,11 @@ static int clk_init_uart(struct msm_clk_priv *priv) return 0; } -ulong msm_set_periph_rate(struct udevice *dev, int periph, ulong rate) +ulong msm_set_rate(struct clk *clk, ulong rate) { - struct msm_clk_priv *priv = dev_get_priv(dev); + struct msm_clk_priv *priv = dev_get_priv(clk->dev); - switch (periph) { + switch (clk->id) { case 0: /* SDC1 */ return clk_init_sdc(priv, 0, rate); break; @@ -243,7 +243,7 @@ static int msm_clk_probe(struct udevice *dev) } static struct clk_ops msm_clk_ops = { - .set_periph_rate = msm_set_periph_rate, + .set_rate = msm_set_rate, }; static const struct udevice_id msm_clk_ids[] = { diff --git a/arch/arm/mach-zynq/clk.c b/arch/arm/mach-zynq/clk.c index 6444be8f03..40383c11c9 100644 --- a/arch/arm/mach-zynq/clk.c +++ b/arch/arm/mach-zynq/clk.c @@ -6,7 +6,6 @@ */ #include <common.h> #include <errno.h> -#include <clk.h> #include <asm/io.h> #include <asm/arch/hardware.h> #include <asm/arch/clk.h> diff --git a/arch/mips/mach-pic32/cpu.c b/arch/mips/mach-pic32/cpu.c index f2ee911df4..ac33391921 100644 --- a/arch/mips/mach-pic32/cpu.c +++ b/arch/mips/mach-pic32/cpu.c @@ -23,18 +23,34 @@ DECLARE_GLOBAL_DATA_PTR; -static ulong clk_get_cpu_rate(void) +static ulong rate(int id) { int ret; struct udevice *dev; + struct clk clk; + ulong rate; ret = uclass_get_device(UCLASS_CLK, 0, &dev); if (ret) { - panic("uclass-clk: device not found\n"); + printf("clk-uclass not found\n"); return 0; } - return clk_get_rate(dev); + clk.id = id; + ret = clk_request(dev, &clk); + if (ret < 0) + return ret; + + rate = clk_get_rate(&clk); + + clk_free(&clk); + + return rate; +} + +static ulong clk_get_cpu_rate(void) +{ + return rate(PB7CLK); } /* initialize prefetch module related to cpu_clk */ @@ -127,30 +143,25 @@ const char *get_core_name(void) } #endif #ifdef CONFIG_CMD_CLK + int soc_clk_dump(void) { - int i, ret; - struct udevice *dev; - - ret = uclass_get_device(UCLASS_CLK, 0, &dev); - if (ret) { - printf("clk-uclass not found\n"); - return ret; - } + int i; printf("PLL Speed: %lu MHz\n", - CLK_MHZ(clk_get_periph_rate(dev, PLLCLK))); - printf("CPU Speed: %lu MHz\n", CLK_MHZ(clk_get_rate(dev))); - printf("MPLL Speed: %lu MHz\n", - CLK_MHZ(clk_get_periph_rate(dev, MPLL))); + CLK_MHZ(rate(PLLCLK))); + + printf("CPU Speed: %lu MHz\n", CLK_MHZ(rate(PB7CLK))); + + printf("MPLL Speed: %lu MHz\n", CLK_MHZ(rate(MPLL))); for (i = PB1CLK; i <= PB7CLK; i++) printf("PB%d Clock Speed: %lu MHz\n", i - PB1CLK + 1, - CLK_MHZ(clk_get_periph_rate(dev, i))); + CLK_MHZ(rate(i))); for (i = REF1CLK; i <= REF5CLK; i++) printf("REFO%d Clock Speed: %lu MHz\n", i - REF1CLK + 1, - CLK_MHZ(clk_get_periph_rate(dev, i))); + CLK_MHZ(rate(i))); return 0; } #endif diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 879b30e3cc..9e46f9e815 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -108,8 +108,23 @@ compatible = "denx,u-boot-fdt-test"; }; - clk@0 { + clk_fixed: clk-fixed { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <1234>; + }; + + clk_sandbox: clk-sbox { compatible = "sandbox,clk"; + #clock-cells = <1>; + }; + + clk-test { + compatible = "sandbox,clk-test"; + clocks = <&clk_fixed>, + <&clk_sandbox 1>, + <&clk_sandbox 0>; + clock-names = "fixed", "i2c", "spi"; }; eth@10002000 { diff --git a/arch/sandbox/include/asm/clk.h b/arch/sandbox/include/asm/clk.h new file mode 100644 index 0000000000..9dc6c8184b --- /dev/null +++ b/arch/sandbox/include/asm/clk.h @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2016, NVIDIA CORPORATION. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __SANDBOX_CLK_H +#define __SANDBOX_CLK_H + +#include <common.h> + +struct udevice; + +/** + * enum sandbox_clk_id - Identity of clocks implemented by the sandbox clock + * provider. + * + * These IDs are within/relative-to the clock provider. + */ +enum sandbox_clk_id { + SANDBOX_CLK_ID_SPI, + SANDBOX_CLK_ID_I2C, + + SANDBOX_CLK_ID_COUNT, +}; + +/** + * enum sandbox_clk_test_id - Identity of the clocks consumed by the sandbox + * clock test device. + * + * These are the IDs the clock consumer knows the clocks as. + */ +enum sandbox_clk_test_id { + SANDBOX_CLK_TEST_ID_FIXED, + SANDBOX_CLK_TEST_ID_SPI, + SANDBOX_CLK_TEST_ID_I2C, + + SANDBOX_CLK_TEST_ID_COUNT, +}; + +/** + * sandbox_clk_query_rate - Query the current rate of a sandbox clock. + * + * @dev: The sandbox clock provider device. + * @id: The clock to query. + * @return: The rate of the clock. + */ +ulong sandbox_clk_query_rate(struct udevice *dev, int id); +/** + * sandbox_clk_query_enable - Query the enable state of a sandbox clock. + * + * @dev: The sandbox clock provider device. + * @id: The clock to query. + * @return: The rate of the clock. + */ +int sandbox_clk_query_enable(struct udevice *dev, int id); + +/** + * sandbox_clk_test_get - Ask the sandbox clock test device to request its + * clocks. + * + * @dev: The sandbox clock test (client) devivce. + * @return: 0 if OK, or a negative error code. + */ +int sandbox_clk_test_get(struct udevice *dev); +/** + * sandbox_clk_test_get_rate - Ask the sandbox clock test device to query a + * clock's rate. + * + * @dev: The sandbox clock test (client) devivce. + * @id: The test device's clock ID to query. + * @return: The rate of the clock. + */ +ulong sandbox_clk_test_get_rate(struct udevice *dev, int id); +/** + * sandbox_clk_test_set_rate - Ask the sandbox clock test device to set a + * clock's rate. + * + * @dev: The sandbox clock test (client) devivce. + * @id: The test device's clock ID to configure. + * @return: The new rate of the clock. + */ +ulong sandbox_clk_test_set_rate(struct udevice *dev, int id, ulong rate); +/** + * sandbox_clk_test_enable - Ask the sandbox clock test device to enable a + * clock. + * + * @dev: The sandbox clock test (client) devivce. + * @id: The test device's clock ID to configure. + * @return: 0 if OK, or a negative error code. + */ +int sandbox_clk_test_enable(struct udevice *dev, int id); +/** + * sandbox_clk_test_disable - Ask the sandbox clock test device to disable a + * clock. + * + * @dev: The sandbox clock test (client) devivce. + * @id: The test device's clock ID to configure. + * @return: 0 if OK, or a negative error code. + */ +int sandbox_clk_test_disable(struct udevice *dev, int id); +/** + * sandbox_clk_test_free - Ask the sandbox clock test device to free its + * clocks. + * + * @dev: The sandbox clock test (client) devivce. + * @return: 0 if OK, or a negative error code. + */ +int sandbox_clk_test_free(struct udevice *dev); + +#endif diff --git a/arch/sandbox/include/asm/test.h b/arch/sandbox/include/asm/test.h index 224b0ebaf9..451a78e590 100644 --- a/arch/sandbox/include/asm/test.h +++ b/arch/sandbox/include/asm/test.h @@ -19,15 +19,6 @@ #define SANDBOX_CLK_RATE 32768 -enum { - PERIPH_ID_FIRST = 0, - PERIPH_ID_SPI = PERIPH_ID_FIRST, - PERIPH_ID_I2C, - PERIPH_ID_PCI, - - PERIPH_ID_COUNT, -}; - /* System controller driver data */ enum { SYSCON0 = 32, |
