diff options
Diffstat (limited to 'arch/arm/mach-mx3')
| -rw-r--r-- | arch/arm/mach-mx3/Kconfig | 36 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/Makefile | 8 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/clock-imx35.c | 487 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/clock.c | 959 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/crm_regs.h | 153 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/devices.c | 193 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/devices.h | 8 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/iomux.c | 88 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mm.c | 37 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mx31ads.c | 328 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mx31lite.c | 13 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard-devboard.c | 48 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard-marxbot.c | 37 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 74 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mx31pdk.c | 44 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/pcm037.c | 138 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/qong.c | 312 |
17 files changed, 1894 insertions, 1069 deletions
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig index e79659e8176e..d6235583e979 100644 --- a/arch/arm/mach-mx3/Kconfig +++ b/arch/arm/mach-mx3/Kconfig @@ -1,21 +1,40 @@ -menu "MX3 Options" - depends on ARCH_MX3 +if ARCH_MX3 + +config ARCH_MX31 + bool + +config ARCH_MX35 + bool + +comment "MX3 platforms:" config MACH_MX31ADS bool "Support MX31ADS platforms" + select ARCH_MX31 default y help Include support for MX31ADS platform. This includes specific configurations for the board and its peripherals. +config MACH_MX31ADS_WM1133_EV1 + bool "Support Wolfson Microelectronics 1133-EV1 module" + depends on MACH_MX31ADS + select MFD_WM8350_CONFIG_MODE_0 + select MFD_WM8352_CONFIG_MODE_0 + help + Include support for the Wolfson Microelectronics 1133-EV1 PMU + and audio module for the MX31ADS platform. + config MACH_PCM037 - bool "Support Phytec pcm037 platforms" + bool "Support Phytec pcm037 (i.MX31) platforms" + select ARCH_MX31 help Include support for Phytec pcm037 platform. This includes specific configurations for the board and its peripherals. config MACH_MX31LITE bool "Support MX31 LITEKIT (LogicPD)" + select ARCH_MX31 default n help Include support for MX31 LITEKIT platform. This includes specific @@ -23,6 +42,7 @@ config MACH_MX31LITE config MACH_MX31_3DS bool "Support MX31PDK (3DS)" + select ARCH_MX31 default n help Include support for MX31PDK (3DS) platform. This includes specific @@ -30,10 +50,18 @@ config MACH_MX31_3DS config MACH_MX31MOBOARD bool "Support mx31moboard platforms (EPFL Mobots group)" + select ARCH_MX31 default n help Include support for mx31moboard platform. This includes specific configurations for the board and its peripherals. -endmenu +config MACH_QONG + bool "Support Dave/DENX QongEVB-LITE platform" + select ARCH_MX31 + default n + help + Include support for Dave/DENX QongEVB-LITE platform. This includes + specific configurations for the board and its peripherals. +endif diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile index 5a151540fe83..272c8a953b30 100644 --- a/arch/arm/mach-mx3/Makefile +++ b/arch/arm/mach-mx3/Makefile @@ -4,9 +4,13 @@ # Object file lists. -obj-y := mm.o clock.o devices.o iomux.o +obj-y := mm.o devices.o +obj-$(CONFIG_ARCH_MX31) += clock.o iomux.o +obj-$(CONFIG_ARCH_MX35) += clock-imx35.o obj-$(CONFIG_MACH_MX31ADS) += mx31ads.o obj-$(CONFIG_MACH_MX31LITE) += mx31lite.o obj-$(CONFIG_MACH_PCM037) += pcm037.o obj-$(CONFIG_MACH_MX31_3DS) += mx31pdk.o -obj-$(CONFIG_MACH_MX31MOBOARD) += mx31moboard.o +obj-$(CONFIG_MACH_MX31MOBOARD) += mx31moboard.o mx31moboard-devboard.o \ + mx31moboard-marxbot.o +obj-$(CONFIG_MACH_QONG) += qong.o diff --git a/arch/arm/mach-mx3/clock-imx35.c b/arch/arm/mach-mx3/clock-imx35.c new file mode 100644 index 000000000000..53a112d4e04a --- /dev/null +++ b/arch/arm/mach-mx3/clock-imx35.c @@ -0,0 +1,487 @@ +/* + * Copyright (C) 2009 by Sascha Hauer, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <asm/clkdev.h> + +#include <mach/clock.h> +#include <mach/hardware.h> +#include <mach/common.h> + +#define CCM_BASE IO_ADDRESS(CCM_BASE_ADDR) + +#define CCM_CCMR 0x00 +#define CCM_PDR0 0x04 +#define CCM_PDR1 0x08 +#define CCM_PDR2 0x0C +#define CCM_PDR3 0x10 +#define CCM_PDR4 0x14 +#define CCM_RCSR 0x18 +#define CCM_MPCTL 0x1C +#define CCM_PPCTL 0x20 +#define CCM_ACMR 0x24 +#define CCM_COSR 0x28 +#define CCM_CGR0 0x2C +#define CCM_CGR1 0x30 +#define CCM_CGR2 0x34 +#define CCM_CGR3 0x38 + +#ifdef HAVE_SET_RATE_SUPPORT +static void calc_dividers(u32 div, u32 *pre, u32 *post, u32 maxpost) +{ + u32 min_pre, temp_pre, old_err, err; + + min_pre = (div - 1) / maxpost + 1; + old_err = 8; + + for (temp_pre = 8; temp_pre >= min_pre; temp_pre--) { + if (div > (temp_pre * maxpost)) + break; + + if (div < (temp_pre * temp_pre)) + continue; + + err = div % temp_pre; + + if (err == 0) { + *pre = temp_pre; + break; + } + + err = temp_pre - err; + + if (err < old_err) { + old_err = err; + *pre = temp_pre; + } + } + + *post = (div + *pre - 1) / *pre; +} + +/* get the best values for a 3-bit divider combined with a 6-bit divider */ +static void calc_dividers_3_6(u32 div, u32 *pre, u32 *post) +{ + if (div >= 512) { + *pre = 8; + *post = 64; + } else if (div >= 64) { + calc_dividers(div, pre, post, 64); + } else if (div <= 8) { + *pre = div; + *post = 1; + } else { + *pre = 1; + *post = div; + } +} + +/* get the best values for two cascaded 3-bit dividers */ +static void calc_dividers_3_3(u32 div, u32 *pre, u32 *post) +{ + if (div >= 64) { + *pre = *post = 8; + } else if (div > 8) { + calc_dividers(div, pre, post, 8); + } else { + *pre = 1; + *post = div; + } +} +#endif + +static unsigned long get_rate_mpll(void) +{ + ulong mpctl = __raw_readl(CCM_BASE + CCM_MPCTL); + + return mxc_decode_pll(mpctl, 24000000); +} + +static unsigned long get_rate_ppll(void) +{ + ulong ppctl = __raw_readl(CCM_BASE + CCM_PPCTL); + + return mxc_decode_pll(ppctl, 24000000); +} + +struct arm_ahb_div { + unsigned char arm, ahb, sel; +}; + +static struct arm_ahb_div clk_consumer[] = { + { .arm = 1, .ahb = 4, .sel = 0}, + { .arm = 1, .ahb = 3, .sel = 1}, + { .arm = 2, .ahb = 2, .sel = 0}, + { .arm = 0, .ahb = 0, .sel = 0}, + { .arm = 0, .ahb = 0, .sel = 0}, + { .arm = 0, .ahb = 0, .sel = 0}, + { .arm = 4, .ahb = 1, .sel = 0}, + { .arm = 1, .ahb = 5, .sel = 0}, + { .arm = 1, .ahb = 8, .sel = 0}, + { .arm = 1, .ahb = 6, .sel = 1}, + { .arm = 2, .ahb = 4, .sel = 0}, + { .arm = 0, .ahb = 0, .sel = 0}, + { .arm = 0, .ahb = 0, .sel = 0}, + { .arm = 0, .ahb = 0, .sel = 0}, + { .arm = 4, .ahb = 2, .sel = 0}, + { .arm = 0, .ahb = 0, .sel = 0}, +}; + +static struct arm_ahb_div clk_automotive[] = { + { .arm = 1, .ahb = 3, .sel = 0}, + { .arm = 1, .ahb = 2, .sel = 1}, + { .arm = 2, .ahb = 1, .sel = 1}, + { .arm = 0, .ahb = 0, .sel = 0}, + { .arm = 1, .ahb = 6, .sel = 0}, + { .arm = 1, .ahb = 4, .sel = 1}, + { .arm = 2, .ahb = 2, .sel = 1}, + { .arm = 0, .ahb = 0, .sel = 0}, +}; + +static unsigned long get_rate_arm(void) +{ + unsigned long pdr0 = __raw_readl(CCM_BASE + CCM_PDR0); + struct arm_ahb_div *aad; + unsigned long fref = get_rate_mpll(); + + if (pdr0 & 1) { + /* consumer path */ + aad = &clk_consumer[(pdr0 >> 16) & 0xf]; + if (aad->sel) + fref = fref * 2 / 3; + } else { + /* auto path */ + aad = &clk_automotive[(pdr0 >> 9) & 0x7]; + if (aad->sel) + fref = fref * 3 / 4; + } + return fref / aad->arm; +} + +static unsigned long get_rate_ahb(struct clk *clk) +{ + unsigned long pdr0 = __raw_readl(CCM_BASE + CCM_PDR0); + struct arm_ahb_div *aad; + unsigned long fref = get_rate_mpll(); + + if (pdr0 & 1) + /* consumer path */ + aad = &clk_consumer[(pdr0 >> 16) & 0xf]; + else + /* auto path */ + aad = &clk_automotive[(pdr0 >> 9) & 0x7]; + + return fref / aad->ahb; +} + +static unsigned long get_rate_ipg(struct clk *clk) +{ + return get_rate_ahb(NULL) >> 1; +} + +static unsigned long get_3_3_div(unsigned long in) +{ + return (((in >> 3) & 0x7) + 1) * ((in & 0x7) + 1); +} + +static unsigned long get_rate_uart(struct clk *clk) +{ + unsigned long pdr3 = __raw_readl(CCM_BASE + CCM_PDR3); + unsigned long pdr4 = __raw_readl(CCM_BASE + CCM_PDR4); + unsigned long div = get_3_3_div(pdr4 >> 10); + + if (pdr3 & (1 << 14)) + return get_rate_arm() / div; + else + return get_rate_ppll() / div; +} + +static unsigned long get_rate_sdhc(struct clk *clk) +{ + unsigned long pdr3 = __raw_readl(CCM_BASE + CCM_PDR3); + unsigned long div, rate; + + if (pdr3 & (1 << 6)) + rate = get_rate_arm(); + else + rate = get_rate_ppll(); + + switch (clk->id) { + default: + case 0: + div = pdr3 & 0x3f; + break; + case 1: + div = (pdr3 >> 8) & 0x3f; + break; + case 2: + div = (pdr3 >> 16) & 0x3f; + break; + } + + return rate / get_3_3_div(div); +} + +static unsigned long get_rate_mshc(struct clk *clk) +{ + unsigned long pdr1 = __raw_readl(CCM_BASE + CCM_PDR1); + unsigned long div1, div2, rate; + + if (pdr1 & (1 << 7)) + rate = get_rate_arm(); + else + rate = get_rate_ppll(); + + div1 = (pdr1 >> 29) & 0x7; + div2 = (pdr1 >> 22) & 0x3f; + + return rate / ((div1 + 1) * (div2 + 1)); +} + +static unsigned long get_rate_ssi(struct clk *clk) +{ + unsigned long pdr2 = __raw_readl(CCM_BASE + CCM_PDR2); + unsigned long div1, div2, rate; + + if (pdr2 & (1 << 6)) + rate = get_rate_arm(); + else + rate = get_rate_ppll(); + + switch (clk->id) { + default: + case 0: + div1 = pdr2 & 0x3f; + div2 = (pdr2 >> 24) & 0x7; + break; + case 1: + div1 = (pdr2 >> 8) & 0x3f; + div2 = (pdr2 >> 27) & 0x7; + break; + } + + return rate / ((div1 + 1) * (div2 + 1)); +} + +static unsigned long get_rate_csi(struct clk *clk) +{ + unsigned long pdr2 = __raw_readl(CCM_BASE + CCM_PDR2); + unsigned long rate; + + if (pdr2 & (1 << 7)) + rate = get_rate_arm(); + else + rate = get_rate_ppll(); + + return rate / get_3_3_div((pdr2 >> 16) & 0x3f); +} + +static unsigned long get_rate_ipg_per(struct clk *clk) +{ + unsigned long pdr0 = __raw_readl(CCM_BASE + CCM_PDR0); + unsigned long pdr4 = __raw_readl(CCM_BASE + CCM_PDR4); + unsigned long div1, div2; + + if (pdr0 & (1 << 26)) { + div1 = (pdr4 >> 19) & 0x7; + div2 = (pdr4 >> 16) & 0x7; + return get_rate_arm() / ((div1 + 1) * (div2 + 1)); + } else { + div1 = (pdr0 >> 12) & 0x7; + return get_rate_ahb(NULL) / div1; + } +} + +static int clk_cgr_enable(struct clk *clk) +{ + u32 reg; + + reg = __raw_readl(clk->enable_reg); + reg |= 3 << clk->enable_shift; + __raw_writel(reg, clk->enable_reg); + + return 0; +} + +static void clk_cgr_disable(struct clk *clk) +{ + u32 reg; + + reg = __raw_readl(clk->enable_reg); + reg &= ~(3 << clk->enable_shift); + __raw_writel(reg, clk->enable_reg); +} + +#define DEFINE_CLOCK(name, i, er, es, gr, sr) \ + static struct clk name = { \ + .id = i, \ + .enable_reg = CCM_BASE + er, \ + .enable_shift = es, \ + .get_rate = gr, \ + .set_rate = sr, \ + .enable = clk_cgr_enable, \ + .disable = clk_cgr_disable, \ + } + +DEFINE_CLOCK(asrc_clk, 0, CCM_CGR0, 0, NULL, NULL); +DEFINE_CLOCK(ata_clk, 0, CCM_CGR0, 2, get_rate_ipg, NULL); +DEFINE_CLOCK(audmux_clk, 0, CCM_CGR0, 4, NULL, NULL); +DEFINE_CLOCK(can1_clk, 0, CCM_CGR0, 6, get_rate_ipg, NULL); +DEFINE_CLOCK(can2_clk, 1, CCM_CGR0, 8, get_rate_ipg, NULL); +DEFINE_CLOCK(cspi1_clk, 0, CCM_CGR0, 10, get_rate_ipg, NULL); +DEFINE_CLOCK(cspi2_clk, 1, CCM_CGR0, 12, get_rate_ipg, NULL); +DEFINE_CLOCK(ect_clk, 0, CCM_CGR0, 14, get_rate_ipg, NULL); +DEFINE_CLOCK(edio_clk, 0, CCM_CGR0, 16, NULL, NULL); +DEFINE_CLOCK(emi_clk, 0, CCM_CGR0, 18, get_rate_ipg, NULL); +DEFINE_CLOCK(epit1_clk, 0, CCM_CGR0, 20, get_rate_ipg_per, NULL); +DEFINE_CLOCK(epit2_clk, 1, CCM_CGR0, 22, get_rate_ipg_per, NULL); +DEFINE_CLOCK(esai_clk, 0, CCM_CGR0, 24, NULL, NULL); +DEFINE_CLOCK(esdhc1_clk, 0, CCM_CGR0, 26, get_rate_sdhc, NULL); +DEFINE_CLOCK(esdhc2_clk, 1, CCM_CGR0, 28, get_rate_sdhc, NULL); +DEFINE_CLOCK(esdhc3_clk, 2, CCM_CGR0, 30, get_rate_sdhc, NULL); + +DEFINE_CLOCK(fec_clk, 0, CCM_CGR1, 0, get_rate_ipg, NULL); +DEFINE_CLOCK(gpio1_clk, 0, CCM_CGR1, 2, NULL, NULL); +DEFINE_CLOCK(gpio2_clk, 1, CCM_CGR1, 4, NULL, NULL); +DEFINE_CLOCK(gpio3_clk, 2, CCM_CGR1, 6, NULL, NULL); +DEFINE_CLOCK(gpt_clk, 0, CCM_CGR1, 8, get_rate_ipg, NULL); +DEFINE_CLOCK(i2c1_clk, 0, CCM_CGR1, 10, get_rate_ipg_per, NULL); +DEFINE_CLOCK(i2c2_clk, 1, CCM_CGR1, 12, get_rate_ipg_per, NULL); +DEFINE_CLOCK(i2c3_clk, 2, CCM_CGR1, 14, get_rate_ipg_per, NULL); +DEFINE_CLOCK(iomuxc_clk, 0, CCM_CGR1, 16, NULL, NULL); +DEFINE_CLOCK(ipu_clk, 0, CCM_CGR1, 18, NULL, NULL); +DEFINE_CLOCK(kpp_clk, 0, CCM_CGR1, 20, get_rate_ipg, NULL); +DEFINE_CLOCK(mlb_clk, 0, CCM_CGR1, 22, get_rate_ahb, NULL); +DEFINE_CLOCK(mshc_clk, 0, CCM_CGR1, 24, get_rate_mshc, NULL); +DEFINE_CLOCK(owire_clk, 0, CCM_CGR1, 26, get_rate_ipg_per, NULL); +DEFINE_CLOCK(pwm_clk, 0, CCM_CGR1, 28, get_rate_ipg_per, NULL); +DEFINE_CLOCK(rngc_clk, 0, CCM_CGR1, 30, get_rate_ipg, NULL); + +DEFINE_CLOCK(rtc_clk, 0, CCM_CGR2, 0, get_rate_ipg, NULL); +DEFINE_CLOCK(rtic_clk, 0, CCM_CGR2, 2, get_rate_ahb, NULL); +DEFINE_CLOCK(scc_clk, 0, CCM_CGR2, 4, get_rate_ipg, NULL); +DEFINE_CLOCK(sdma_clk, 0, CCM_CGR2, 6, NULL, NULL); +DEFINE_CLOCK(spba_clk, 0, CCM_CGR2, 8, get_rate_ipg, NULL); +DEFINE_CLOCK(spdif_clk, 0, CCM_CGR2, 10, NULL, NULL); +DEFINE_CLOCK(ssi1_clk, 0, CCM_CGR2, 12, get_rate_ssi, NULL); +DEFINE_CLOCK(ssi2_clk, 1, CCM_CGR2, 14, get_rate_ssi, NULL); +DEFINE_CLOCK(uart1_clk, 0, CCM_CGR2, 16, get_rate_uart, NULL); +DEFINE_CLOCK(uart2_clk, 1, CCM_CGR2, 18, get_rate_uart, NULL); +DEFINE_CLOCK(uart3_clk, 2, CCM_CGR2, 20, get_rate_uart, NULL); +DEFINE_CLOCK(usbotg_clk, 0, CCM_CGR2, 22, NULL, NULL); +DEFINE_CLOCK(wdog_clk, 0, CCM_CGR2, 24, NULL, NULL); +DEFINE_CLOCK(max_clk, 0, CCM_CGR2, 26, NULL, NULL); +DEFINE_CLOCK(admux_clk, 0, CCM_CGR2, 30, NULL, NULL); + +DEFINE_CLOCK(csi_clk, 0, CCM_CGR3, 0, get_rate_csi, NULL); +DEFINE_CLOCK(iim_clk, 0, CCM_CGR3, 2, NULL, NULL); +DEFINE_CLOCK(gpu2d_clk, 0, CCM_CGR3, 4, NULL, NULL); + +#define _REGISTER_CLOCK(d, n, c) \ + { \ + .dev_id = d, \ + .con_id = n, \ + .clk = &c, \ + }, + +static struct clk_lookup lookups[] __initdata = { + _REGISTER_CLOCK(NULL, "asrc", asrc_clk) + _REGISTER_CLOCK(NULL, "ata", ata_clk) + _REGISTER_CLOCK(NULL, "audmux", audmux_clk) + _REGISTER_CLOCK(NULL, "can", can1_clk) + _REGISTER_CLOCK(NULL, "can", can2_clk) + _REGISTER_CLOCK("spi_imx.0", NULL, cspi1_clk) + _REGISTER_CLOCK("spi_imx.1", NULL, cspi2_clk) + _REGISTER_CLOCK(NULL, "ect", ect_clk) + _REGISTER_CLOCK(NULL, "edio", edio_clk) + _REGISTER_CLOCK(NULL, "emi", emi_clk) + _REGISTER_CLOCK(NULL, "epit", epit1_clk) + _REGISTER_CLOCK(NULL, "epit", epit2_clk) + _REGISTER_CLOCK(NULL, "esai", esai_clk) + _REGISTER_CLOCK(NULL, "sdhc", esdhc1_clk) + _REGISTER_CLOCK(NULL, "sdhc", esdhc2_clk) + _REGISTER_CLOCK(NULL, "sdhc", esdhc3_clk) + _REGISTER_CLOCK("fec.0", NULL, fec_clk) + _REGISTER_CLOCK(NULL, "gpio", gpio1_clk) + _REGISTER_CLOCK(NULL, "gpio", gpio2_clk) + _REGISTER_CLOCK(NULL, "gpio", gpio3_clk) + _REGISTER_CLOCK("gpt.0", NULL, gpt_clk) + _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) + _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) + _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_clk) + _REGISTER_CLOCK(NULL, "iomuxc", iomuxc_clk) + _REGISTER_CLOCK(NULL, "ipu", ipu_clk) + _REGISTER_CLOCK(NULL, "kpp", kpp_clk) + _REGISTER_CLOCK(NULL, "mlb", mlb_clk) + _REGISTER_CLOCK(NULL, "mshc", mshc_clk) + _REGISTER_CLOCK("mxc_w1", NULL, owire_clk) + _REGISTER_CLOCK(NULL, "pwm", pwm_clk) + _REGISTER_CLOCK(NULL, "rngc", rngc_clk) + _REGISTER_CLOCK(NULL, "rtc", rtc_clk) + _REGISTER_CLOCK(NULL, "rtic", rtic_clk) + _REGISTER_CLOCK(NULL, "scc", scc_clk) + _REGISTER_CLOCK(NULL, "sdma", sdma_clk) + _REGISTER_CLOCK(NULL, "spba", spba_clk) + _REGISTER_CLOCK(NULL, "spdif", spdif_clk) + _REGISTER_CLOCK(NULL, "ssi", ssi1_clk) + _REGISTER_CLOCK(NULL, "ssi", ssi2_clk) + _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk) + _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk) + _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) + _REGISTER_CLOCK(NULL, "usbotg", usbotg_clk) + _REGISTER_CLOCK("mxc_wdt.0", NULL, wdog_clk) + _REGISTER_CLOCK(NULL, "max", max_clk) + _REGISTER_CLOCK(NULL, "admux", admux_clk) + _REGISTER_CLOCK(NULL, "csi", csi_clk) + _REGISTER_CLOCK(NULL, "iim", iim_clk) + _REGISTER_CLOCK(NULL, "gpu2d", gpu2d_clk) +}; + +int __init mx35_clocks_init() +{ + int i; + unsigned int ll = 0; + + mxc_set_cpu_type(MXC_CPU_MX35); + +#ifdef CONFIG_DEBUG_LL_CONSOLE + ll = (3 << 16); +#endif + + for (i = 0; i < ARRAY_SIZE(lookups); i++) + clkdev_add(&lookups[i]); + + /* Turn off all clocks except the ones we need to survive, namely: + * EMI, GPIO1/2/3, GPT, IOMUX, MAX and eventually uart + */ + __raw_writel((3 << 18), CCM_BASE + CCM_CGR0); + __raw_writel((3 << 2) | (3 << 4) | (3 << 6) | (3 << 8) | (3 << 16), + CCM_BASE + CCM_CGR1); + __raw_writel((3 << 26) | ll, CCM_BASE + CCM_CGR2); + __raw_writel(0, CCM_BASE + CCM_CGR3); + + mxc_timer_init(&gpt_clk); + + return 0; +} + diff --git a/arch/arm/mach-mx3/clock.c b/arch/arm/mach-mx3/clock.c index b1746aae1f89..ca46f4801c3d 100644 --- a/arch/arm/mach-mx3/clock.c +++ b/arch/arm/mach-mx3/clock.c @@ -23,9 +23,13 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> + +#include <asm/clkdev.h> +#include <asm/div64.h> + #include <mach/clock.h> #include <mach/hardware.h> -#include <asm/div64.h> +#include <mach/common.h> #include "crm_regs.h" @@ -64,17 +68,17 @@ static void __calc_pre_post_dividers(u32 div, u32 *pre, u32 *post) } static struct clk mcu_pll_clk; -static struct clk mcu_main_clk; -static struct clk usb_pll_clk; static struct clk serial_pll_clk; static struct clk ipg_clk; static struct clk ckih_clk; -static struct clk ahb_clk; -static int _clk_enable(struct clk *clk) +static int cgr_enable(struct clk *clk) { u32 reg; + if (!clk->enable_reg) + return 0; + reg = __raw_readl(clk->enable_reg); reg |= 3 << clk->enable_shift; __raw_writel(reg, clk->enable_reg); @@ -82,133 +86,69 @@ static int _clk_enable(struct clk *clk) return 0; } -static void _clk_disable(struct clk *clk) +static void cgr_disable(struct clk *clk) { u32 reg; + if (!clk->enable_reg) + return; + reg = __raw_readl(clk->enable_reg); reg &= ~(3 << clk->enable_shift); + + /* special case for EMI clock */ + if (clk->enable_reg == MXC_CCM_CGR2 && clk->enable_shift == 8) + reg |= (1 << clk->enable_shift); + __raw_writel(reg, clk->enable_reg); } -static void _clk_emi_disable(struct clk *clk) +static unsigned long pll_ref_get_rate(void) { - u32 reg; + unsigned long ccmr; + unsigned int prcs; - reg = __raw_readl(clk->enable_reg); - reg &= ~(3 << clk->enable_shift); - reg |= (1 << clk->enable_shift); - __raw_writel(reg, clk->enable_reg); + ccmr = __raw_readl(MXC_CCM_CCMR); + prcs = (ccmr & MXC_CCM_CCMR_PRCS_MASK) >> MXC_CCM_CCMR_PRCS_OFFSET; + if (prcs == 0x1) + return CKIL_CLK_FREQ * 1024; + else + return clk_get_rate(&ckih_clk); } -static int _clk_pll_set_rate(struct clk *clk, unsigned long rate) +static unsigned long usb_pll_get_rate(struct clk *clk) { - u32 reg; - signed long pd = 1; /* Pre-divider */ - signed long mfi; /* Multiplication Factor (Integer part) */ - signed long mfn; /* Multiplication Factor (Integer part) */ - signed long mfd; /* Multiplication Factor (Denominator Part) */ - signed long tmp; - u32 ref_freq = clk_get_rate(clk->parent); + unsigned long reg; - while (((ref_freq / pd) * 10) > rate) - pd++; + reg = __raw_readl(MXC_CCM_UPCTL); - if ((ref_freq / pd) < PRE_DIV_MIN_FREQ) - return -EINVAL; + return mxc_decode_pll(reg, pll_ref_get_rate()); +} - /* the ref_freq/2 in the following is to round up */ - mfi = (((rate / 2) * pd) + (ref_freq / 2)) / ref_freq; - if (mfi < 5 || mfi > 15) - return -EINVAL; +static unsigned long serial_pll_get_rate(struct clk *clk) +{ + unsigned long reg; - /* pick a mfd value that will work - * then solve for mfn */ - mfd = ref_freq / 50000; - - /* - * pll_freq * pd * mfd - * mfn = -------------------- - (mfi * mfd) - * 2 * ref_freq - */ - /* the tmp/2 is for rounding */ - tmp = ref_freq / 10000; - mfn = - ((((((rate / 2) + (tmp / 2)) / tmp) * pd) * mfd) / 10000) - - (mfi * mfd); - - mfn = mfn & 0x3ff; - pd--; - mfd--; - - /* Change the Pll value */ - reg = (mfi << MXC_CCM_PCTL_MFI_OFFSET) | - (mfn << MXC_CCM_PCTL_MFN_OFFSET) | - (mfd << MXC_CCM_PCTL_MFD_OFFSET) | (pd << MXC_CCM_PCTL_PD_OFFSET); - - if (clk == &mcu_pll_clk) - __raw_writel(reg, MXC_CCM_MPCTL); - else if (clk == &usb_pll_clk) - __raw_writel(reg, MXC_CCM_UPCTL); - else if (clk == &serial_pll_clk) - __raw_writel(reg, MXC_CCM_SRPCTL); + reg = __raw_readl(MXC_CCM_SRPCTL); - return 0; + return mxc_decode_pll(reg, pll_ref_get_rate()); } -static unsigned long _clk_pll_get_rate(struct clk *clk) +static unsigned long mcu_pll_get_rate(struct clk *clk) { - long mfi, mfn, mfd, pdf, ref_clk, mfn_abs; unsigned long reg, ccmr; - s64 temp; - unsigned int prcs; ccmr = __raw_readl(MXC_CCM_CCMR); - prcs = (ccmr & MXC_CCM_CCMR_PRCS_MASK) >> MXC_CCM_CCMR_PRCS_OFFSET; - if (prcs == 0x1) - ref_clk = CKIL_CLK_FREQ * 1024; - else - ref_clk = clk_get_rate(&ckih_clk); - - if (clk == &mcu_pll_clk) { - if ((ccmr & MXC_CCM_CCMR_MPE) == 0) - return ref_clk; - if ((ccmr & MXC_CCM_CCMR_MDS) != 0) - return ref_clk; - reg = __raw_readl(MXC_CCM_MPCTL); - } else if (clk == &usb_pll_clk) - reg = __raw_readl(MXC_CCM_UPCTL); - else if (clk == &serial_pll_clk) - reg = __raw_readl(MXC_CCM_SRPCTL); - else { - BUG(); - return 0; - } - - pdf = (reg & MXC_CCM_PCTL_PD_MASK) >> MXC_CCM_PCTL_PD_OFFSET; - mfd = (reg & MXC_CCM_PCTL_MFD_MASK) >> MXC_CCM_PCTL_MFD_OFFSET; - mfi = (reg & MXC_CCM_PCTL_MFI_MASK) >> MXC_CCM_PCTL_MFI_OFFSET; - mfi = (mfi <= 5) ? 5 : mfi; - mfn = mfn_abs = reg & MXC_CCM_PCTL_MFN_MASK; - if (mfn >= 0x200) { - mfn |= 0xFFFFFE00; - mfn_abs = -mfn; - } - - ref_clk *= 2; - ref_clk /= pdf + 1; + if (!(ccmr & MXC_CCM_CCMR_MPE) || (ccmr & MXC_CCM_CCMR_MDS)) + return clk_get_rate(&ckih_clk); - temp = (u64) ref_clk * mfn_abs; - do_div(temp, mfd + 1); - if (mfn < 0) - temp = -temp; - temp = (ref_clk * mfi) + temp; + reg = __raw_readl(MXC_CCM_MPCTL); - return temp; + return mxc_decode_pll(reg, pll_ref_get_rate()); } -static int _clk_usb_pll_enable(struct clk *clk) +static int usb_pll_enable(struct clk *clk) { u32 reg; @@ -222,7 +162,7 @@ static int _clk_usb_pll_enable(struct clk *clk) return 0; } -static void _clk_usb_pll_disable(struct clk *clk) +static void usb_pll_disable(struct clk *clk) { u32 reg; @@ -231,7 +171,7 @@ static void _clk_usb_pll_disable(struct clk *clk) __raw_writel(reg, MXC_CCM_CCMR); } -static int _clk_serial_pll_enable(struct clk *clk) +static int serial_pll_enable(struct clk *clk) { u32 reg; @@ -245,7 +185,7 @@ static int _clk_serial_pll_enable(struct clk *clk) return 0; } -static void _clk_serial_pll_disable(struct clk *clk) +static void serial_pll_disable(struct clk *clk) { u32 reg; @@ -258,7 +198,7 @@ static void _clk_serial_pll_disable(struct clk *clk) #define PDR1(mask, off) ((__raw_readl(MXC_CCM_PDR1) & mask) >> off) #define PDR2(mask, off) ((__raw_readl(MXC_CCM_PDR2) & mask) >> off) -static unsigned long _clk_mcu_main_get_rate(struct clk *clk) +static unsigned long mcu_main_get_rate(struct clk *clk) { u32 pmcr0 = __raw_readl(MXC_CCM_PMCR0); @@ -268,7 +208,7 @@ static unsigned long _clk_mcu_main_get_rate(struct clk *clk) return clk_get_rate(&mcu_pll_clk); } -static unsigned long _clk_hclk_get_rate(struct clk *clk) +static unsigned long ahb_get_rate(struct clk *clk) { unsigned long max_pdf; @@ -277,7 +217,7 @@ static unsigned long _clk_hclk_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (max_pdf + 1); } -static unsigned long _clk_ipg_get_rate(struct clk *clk) +static unsigned long ipg_get_rate(struct clk *clk) { unsigned long ipg_pdf; @@ -286,7 +226,7 @@ static unsigned long _clk_ipg_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (ipg_pdf + 1); } -static unsigned long _clk_nfc_get_rate(struct clk *clk) +static unsigned long nfc_get_rate(struct clk *clk) { unsigned long nfc_pdf; @@ -295,7 +235,7 @@ static unsigned long _clk_nfc_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (nfc_pdf + 1); } -static unsigned long _clk_hsp_get_rate(struct clk *clk) +static unsigned long hsp_get_rate(struct clk *clk) { unsigned long hsp_pdf; @@ -304,7 +244,7 @@ static unsigned long _clk_hsp_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (hsp_pdf + 1); } -static unsigned long _clk_usb_get_rate(struct clk *clk) +static unsigned long usb_get_rate(struct clk *clk) { unsigned long usb_pdf, usb_prepdf; @@ -315,7 +255,7 @@ static unsigned long _clk_usb_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (usb_prepdf + 1) / (usb_pdf + 1); } -static unsigned long _clk_csi_get_rate(struct clk *clk) +static unsigned long csi_get_rate(struct clk *clk) { u32 reg, pre, post; @@ -329,7 +269,7 @@ static unsigned long _clk_csi_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (pre * post); } -static unsigned long _clk_csi_round_rate(struct clk *clk, unsigned long rate) +static unsigned long csi_round_rate(struct clk *clk, unsigned long rate) { u32 pre, post, parent = clk_get_rate(clk->parent); u32 div = parent / rate; @@ -342,7 +282,7 @@ static unsigned long _clk_csi_round_rate(struct clk *clk, unsigned long rate) return parent / (pre * post); } -static int _clk_csi_set_rate(struct clk *clk, unsigned long rate) +static int csi_set_rate(struct clk *clk, unsigned long rate) { u32 reg, div, pre, post, parent = clk_get_rate(clk->parent); @@ -363,16 +303,7 @@ static int _clk_csi_set_rate(struct clk *clk, unsigned long rate) return 0; } -static unsigned long _clk_per_get_rate(struct clk *clk) -{ - unsigned long per_pdf; - - per_pdf = PDR0(MXC_CCM_PDR0_PER_PODF_MASK, - MXC_CCM_PDR0_PER_PODF_OFFSET); - return clk_get_rate(clk->parent) / (per_pdf + 1); -} - -static unsigned long _clk_ssi1_get_rate(struct clk *clk) +static unsigned long ssi1_get_rate(struct clk *clk) { unsigned long ssi1_pdf, ssi1_prepdf; @@ -383,7 +314,7 @@ static unsigned long _clk_ssi1_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (ssi1_prepdf + 1) / (ssi1_pdf + 1); } -static unsigned long _clk_ssi2_get_rate(struct clk *clk) +static unsigned long ssi2_get_rate(struct clk *clk) { unsigned long ssi2_pdf, ssi2_prepdf; @@ -394,7 +325,7 @@ static unsigned long _clk_ssi2_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (ssi2_prepdf + 1) / (ssi2_pdf + 1); } -static unsigned long _clk_firi_get_rate(struct clk *clk) +static unsigned long firi_get_rate(struct clk *clk) { unsigned long firi_pdf, firi_prepdf; @@ -405,7 +336,7 @@ static unsigned long _clk_firi_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (firi_prepdf + 1) / (firi_pdf + 1); } -static unsigned long _clk_firi_round_rate(struct clk *clk, unsigned long rate) +static unsigned long firi_round_rate(struct clk *clk, unsigned long rate) { u32 pre, post; u32 parent = clk_get_rate(clk->parent); @@ -420,7 +351,7 @@ static unsigned long _clk_firi_round_rate(struct clk *clk, unsigned long rate) } -static int _clk_firi_set_rate(struct clk *clk, unsigned long rate) +static int firi_set_rate(struct clk *clk, unsigned long rate) { u32 reg, div, pre, post, parent = clk_get_rate(clk->parent); @@ -441,12 +372,12 @@ static int _clk_firi_set_rate(struct clk *clk, unsigned long rate) return 0; } -static unsigned long _clk_mbx_get_rate(struct clk *clk) +static unsigned long mbx_get_rate(struct clk *clk) { return clk_get_rate(clk->parent) / 2; } -static unsigned long _clk_mstick1_get_rate(struct clk *clk) +static unsigned long mstick1_get_rate(struct clk *clk) { unsigned long msti_pdf; @@ -455,7 +386,7 @@ static unsigned long _clk_mstick1_get_rate(struct clk *clk) return clk_get_rate(clk->parent) / (msti_pdf + 1); } -static unsigned long _clk_mstick2_get_rate(struct clk *clk) +static unsigned long mstick2_get_rate(struct clk *clk) { unsigned long msti_pdf; @@ -472,661 +403,185 @@ static unsigned long clk_ckih_get_rate(struct clk *clk) } static struct clk ckih_clk = { - .name = "ckih", .get_rate = clk_ckih_get_rate, }; -static unsigned long clk_ckil_get_rate(struct clk *clk) -{ - return CKIL_CLK_FREQ; -} - -static struct clk ckil_clk = { - .name = "ckil", - .get_rate = clk_ckil_get_rate, -}; - static struct clk mcu_pll_clk = { - .name = "mcu_pll", .parent = &ckih_clk, - .set_rate = _clk_pll_set_rate, - .get_rate = _clk_pll_get_rate, + .get_rate = mcu_pll_get_rate, }; static struct clk mcu_main_clk = { - .name = "mcu_main_clk", .parent = &mcu_pll_clk, - .get_rate = _clk_mcu_main_get_rate, + .get_rate = mcu_main_get_rate, }; static struct clk serial_pll_clk = { - .name = "serial_pll", .parent = &ckih_clk, - .set_rate = _clk_pll_set_rate, - .get_rate = _clk_pll_get_rate, - .enable = _clk_serial_pll_enable, - .disable = _clk_serial_pll_disable, + .get_rate = serial_pll_get_rate, + .enable = serial_pll_enable, + .disable = serial_pll_disable, }; static struct clk usb_pll_clk = { - .name = "usb_pll", .parent = &ckih_clk, - .set_rate = _clk_pll_set_rate, - .get_rate = _clk_pll_get_rate, - .enable = _clk_usb_pll_enable, - .disable = _clk_usb_pll_disable, + .get_rate = usb_pll_get_rate, + .enable = usb_pll_enable, + .disable = usb_pll_disable, }; static struct clk ahb_clk = { - .name = "ahb_clk", .parent = &mcu_main_clk, - .get_rate = _clk_hclk_get_rate, -}; - -static struct clk per_clk = { - .name = "per_clk", - .parent = &usb_pll_clk, - .get_rate = _clk_per_get_rate, -}; - -static struct clk perclk_clk = { - .name = "perclk_clk", - .parent = &ipg_clk, -}; - -static struct clk cspi_clk[] = { - { - .name = "cspi_clk", - .id = 0, - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_CSPI1_OFFSET, - .disable = _clk_disable,}, - { - .name = "cspi_clk", - .id = 1, - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_CSPI2_OFFSET, - .disable = _clk_disable,}, - { - .name = "cspi_clk", - .id = 2, - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_CSPI3_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk ipg_clk = { - .name = "ipg_clk", - .parent = &ahb_clk, - .get_rate = _clk_ipg_get_rate, -}; - -static struct clk emi_clk = { - .name = "emi_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_EMI_OFFSET, - .disable = _clk_emi_disable, -}; - -static struct clk gpt_clk = { - .name = "gpt_clk", - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_GPT_OFFSET, - .disable = _clk_disable, -}; - -static struct clk pwm_clk = { - .name = "pwm_clk", - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR1_PWM_OFFSET, - .disable = _clk_disable, -}; - -static struct clk epit_clk[] = { - { - .name = "epit_clk", - .id = 0, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_EPIT1_OFFSET, - .disable = _clk_disable,}, - { - .name = "epit_clk", - .id = 1, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_EPIT2_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk nfc_clk = { - .name = "nfc_clk", - .parent = &ahb_clk, - .get_rate = _clk_nfc_get_rate, -}; - -static struct clk scc_clk = { - .name = "scc_clk", - .parent = &ipg_clk, -}; - -static struct clk ipu_clk = { - .name = "ipu_clk", - .parent = &mcu_main_clk, - .get_rate = _clk_hsp_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_IPU_OFFSET, - .disable = _clk_disable, -}; - -static struct clk kpp_clk = { - .name = "kpp_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_KPP_OFFSET, - .disable = _clk_disable, -}; - -static struct clk wdog_clk = { - .name = "wdog_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_WDOG_OFFSET, - .disable = _clk_disable, -}; -static struct clk rtc_clk = { - .name = "rtc_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_RTC_OFFSET, - .disable = _clk_disable, -}; - -static struct clk usb_clk[] = { - { - .name = "usb_clk", - .parent = &usb_pll_clk, - .get_rate = _clk_usb_get_rate,}, - { - .name = "usb_ahb_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_USBOTG_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk csi_clk = { - .name = "csi_clk", - .parent = &serial_pll_clk, - .get_rate = _clk_csi_get_rate, - .round_rate = _clk_csi_round_rate, - .set_rate = _clk_csi_set_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_CSI_OFFSET, - .disable = _clk_disable, -}; - -static struct clk uart_clk[] = { - { - .name = "uart_clk", - .id = 0, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_UART1_OFFSET, - .disable = _clk_disable,}, - { - .name = "uart_clk", - .id = 1, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_UART2_OFFSET, - .disable = _clk_disable,}, - { - .name = "uart_clk", - .id = 2, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_UART3_OFFSET, - .disable = _clk_disable,}, - { - .name = "uart_clk", - .id = 3, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_UART4_OFFSET, - .disable = _clk_disable,}, - { - .name = "uart_clk", - .id = 4, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_UART5_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk i2c_clk[] = { - { - .name = "i2c_clk", - .id = 0, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_I2C1_OFFSET, - .disable = _clk_disable,}, - { - .name = "i2c_clk", - .id = 1, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_I2C2_OFFSET, - .disable = _clk_disable,}, - { - .name = "i2c_clk", - .id = 2, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_I2C3_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk owire_clk = { - .name = "owire_clk", - .parent = &perclk_clk, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_OWIRE_OFFSET, - .enable = _clk_enable, - .disable = _clk_disable, -}; - -static struct clk sdhc_clk[] = { - { - .name = "sdhc_clk", - .id = 0, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_SD_MMC1_OFFSET, - .disable = _clk_disable,}, - { - .name = "sdhc_clk", - .id = 1, - .parent = &perclk_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_SD_MMC2_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk ssi_clk[] = { - { - .name = "ssi_clk", - .parent = &serial_pll_clk, - .get_rate = _clk_ssi1_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_SSI1_OFFSET, - .disable = _clk_disable,}, - { - .name = "ssi_clk", - .id = 1, - .parent = &serial_pll_clk, - .get_rate = _clk_ssi2_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_SSI2_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk firi_clk = { - .name = "firi_clk", - .parent = &usb_pll_clk, - .round_rate = _clk_firi_round_rate, - .set_rate = _clk_firi_set_rate, - .get_rate = _clk_firi_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_FIRI_OFFSET, - .disable = _clk_disable, -}; - -static struct clk ata_clk = { - .name = "ata_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_ATA_OFFSET, - .disable = _clk_disable, -}; - -static struct clk mbx_clk = { - .name = "mbx_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_GACC_OFFSET, - .get_rate = _clk_mbx_get_rate, -}; - -static struct clk vpu_clk = { - .name = "vpu_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_GACC_OFFSET, - .get_rate = _clk_mbx_get_rate, -}; - -static struct clk rtic_clk = { - .name = "rtic_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR2, - .enable_shift = MXC_CCM_CGR2_RTIC_OFFSET, - .disable = _clk_disable, -}; - -static struct clk rng_clk = { - .name = "rng_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_RNG_OFFSET, - .disable = _clk_disable, -}; - -static struct clk sdma_clk[] = { - { - .name = "sdma_ahb_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_SDMA_OFFSET, - .disable = _clk_disable,}, - { - .name = "sdma_ipg_clk", - .parent = &ipg_clk,} -}; - -static struct clk mpeg4_clk = { - .name = "mpeg4_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_HANTRO_OFFSET, - .disable = _clk_disable, -}; - -static struct clk vl2cc_clk = { - .name = "vl2cc_clk", - .parent = &ahb_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_HANTRO_OFFSET, - .disable = _clk_disable, -}; - -static struct clk mstick_clk[] = { - { - .name = "mstick_clk", - .id = 0, - .parent = &usb_pll_clk, - .get_rate = _clk_mstick1_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_MEMSTICK1_OFFSET, - .disable = _clk_disable,}, - { - .name = "mstick_clk", - .id = 1, - .parent = &usb_pll_clk, - .get_rate = _clk_mstick2_get_rate, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR1, - .enable_shift = MXC_CCM_CGR1_MEMSTICK2_OFFSET, - .disable = _clk_disable,}, -}; - -static struct clk iim_clk = { - .name = "iim_clk", - .parent = &ipg_clk, - .enable = _clk_enable, - .enable_reg = MXC_CCM_CGR0, - .enable_shift = MXC_CCM_CGR0_IIM_OFFSET, - .disable = _clk_disable, -}; - -static unsigned long _clk_cko1_round_rate(struct clk *clk, unsigned long rate) -{ - u32 div, parent = clk_get_rate(clk->parent); - - div = parent / rate; - if (parent % rate) - div++; - - if (div > 8) - div = 16; - else if (div > 4) - div = 8; - else if (div > 2) - div = 4; - - return parent / div; -} - -static int _clk_cko1_set_rate(struct clk *clk, unsigned long rate) -{ - u32 reg, div, parent = clk_get_rate(clk->parent); - - div = parent / rate; - - if (div == 16) - div = 4; - else if (div == 8) - div = 3; - else if (div == 4) - div = 2; - else if (div == 2) - div = 1; - else if (div == 1) - div = 0; - else - return -EINVAL; - - reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOUTDIV_MASK; - reg |= div << MXC_CCM_COSR_CLKOUTDIV_OFFSET; - __raw_writel(reg, MXC_CCM_COSR); - - return 0; -} - -static unsigned long _clk_cko1_get_rate(struct clk *clk) -{ - u32 div; - - div = __raw_readl(MXC_CCM_COSR) & MXC_CCM_COSR_CLKOUTDIV_MASK >> - MXC_CCM_COSR_CLKOUTDIV_OFFSET; - - return clk_get_rate(clk->parent) / (1 << div); -} - -static int _clk_cko1_set_parent(struct clk *clk, struct clk *parent) -{ - u32 reg; - - reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOSEL_MASK; - - if (parent == &mcu_main_clk) - reg |= 0 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &ipg_clk) - reg |= 1 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &usb_pll_clk) - reg |= 2 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == mcu_main_clk.parent) - reg |= 3 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &ahb_clk) - reg |= 5 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &serial_pll_clk) - reg |= 7 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &ckih_clk) - reg |= 8 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &emi_clk) - reg |= 9 << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &ipu_clk) - reg |= 0xA << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &nfc_clk) - reg |= 0xB << MXC_CCM_COSR_CLKOSEL_OFFSET; - else if (parent == &uart_clk[0]) - reg |= 0xC << MXC_CCM_COSR_CLKOSEL_OFFSET; - else - return -EINVAL; - - __raw_writel(reg, MXC_CCM_COSR); - - return 0; -} - -static int _clk_cko1_enable(struct clk *clk) -{ - u32 reg; - - reg = __raw_readl(MXC_CCM_COSR) | MXC_CCM_COSR_CLKOEN; - __raw_writel(reg, MXC_CCM_COSR); + .get_rate = ahb_get_rate, +}; + +#define DEFINE_CLOCK(name, i, er, es, gr, s, p) \ + static struct clk name = { \ + .id = i, \ + .enable_reg = er, \ + .enable_shift = es, \ + .get_rate = gr, \ + .enable = cgr_enable, \ + .disable = cgr_disable, \ + .secondary = s, \ + .parent = p, \ + } - return 0; -} +#define DEFINE_CLOCK1(name, i, er, es, getsetround, s, p) \ + static struct clk name = { \ + .id = i, \ + .enable_reg = er, \ + .enable_shift = es, \ + .get_rate = getsetround##_get_rate, \ + .set_rate = getsetround##_set_rate, \ + .round_rate = getsetround##_round_rate, \ + .enable = cgr_enable, \ + .disable = cgr_disable, \ + .secondary = s, \ + .parent = p, \ + } -static void _clk_cko1_disable(struct clk *clk) +DEFINE_CLOCK(perclk_clk, 0, NULL, 0, NULL, NULL, &ipg_clk); + +DEFINE_CLOCK(sdhc1_clk, 0, MXC_CCM_CGR0, 0, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(sdhc2_clk, 1, MXC_CCM_CGR0, 2, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CGR0, 4, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(epit1_clk, 0, MXC_CCM_CGR0, 6, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(epit2_clk, 1, MXC_CCM_CGR0, 8, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(iim_clk, 0, MXC_CCM_CGR0, 10, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(ata_clk, 0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(sdma_clk1, 0, MXC_CCM_CGR0, 14, NULL, &sdma_clk1, &ahb_clk); +DEFINE_CLOCK(cspi3_clk, 2, MXC_CCM_CGR0, 16, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(rng_clk, 0, MXC_CCM_CGR0, 18, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CGR0, 20, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CGR0, 22, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(ssi1_clk, 0, MXC_CCM_CGR0, 24, ssi1_get_rate, NULL, &serial_pll_clk); +DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CGR0, 26, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CGR0, 28, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(i2c3_clk, 2, MXC_CCM_CGR0, 30, NULL, NULL, &perclk_clk); + +DEFINE_CLOCK(mpeg4_clk, 0, MXC_CCM_CGR1, 0, NULL, NULL, &ahb_clk); +DEFINE_CLOCK(mstick1_clk, 0, MXC_CCM_CGR1, 2, mstick1_get_rate, NULL, &usb_pll_clk); +DEFINE_CLOCK(mstick2_clk, 1, MXC_CCM_CGR1, 4, mstick2_get_rate, NULL, &usb_pll_clk); +DEFINE_CLOCK1(csi_clk, 0, MXC_CCM_CGR1, 6, csi, NULL, &ahb_clk); +DEFINE_CLOCK(rtc_clk, 0, MXC_CCM_CGR1, 8, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(wdog_clk, 0, MXC_CCM_CGR1, 10, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(pwm_clk, 0, MXC_CCM_CGR1, 12, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(usb_clk2, 0, MXC_CCM_CGR1, 18, usb_get_rate, NULL, &ahb_clk); +DEFINE_CLOCK(kpp_clk, 0, MXC_CCM_CGR1, 20, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(ipu_clk, 0, MXC_CCM_CGR1, 22, hsp_get_rate, NULL, &mcu_main_clk); +DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CGR1, 24, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(uart4_clk, 3, MXC_CCM_CGR1, 26, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(uart5_clk, 4, MXC_CCM_CGR1, 28, NULL, NULL, &perclk_clk); +DEFINE_CLOCK(owire_clk, 0, MXC_CCM_CGR1, 30, NULL, NULL, &perclk_clk); + +DEFINE_CLOCK(ssi2_clk, 1, MXC_CCM_CGR2, 0, ssi2_get_rate, NULL, &serial_pll_clk); +DEFINE_CLOCK(cspi1_clk, 0, MXC_CCM_CGR2, 2, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(cspi2_clk, 1, MXC_CCM_CGR2, 4, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(mbx_clk, 0, MXC_CCM_CGR2, 6, mbx_get_rate, NULL, &ahb_clk); +DEFINE_CLOCK(emi_clk, 0, MXC_CCM_CGR2, 8, NULL, NULL, &ahb_clk); +DEFINE_CLOCK(rtic_clk, 0, MXC_CCM_CGR2, 10, NULL, NULL, &ahb_clk); +DEFINE_CLOCK1(firi_clk, 0, MXC_CCM_CGR2, 12, firi, NULL, &usb_pll_clk); + +DEFINE_CLOCK(sdma_clk2, 0, NULL, 0, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(usb_clk1, 0, NULL, 0, usb_get_rate, NULL, &usb_pll_clk); +DEFINE_CLOCK(nfc_clk, 0, NULL, 0, nfc_get_rate, NULL, &ahb_clk); +DEFINE_CLOCK(scc_clk, 0, NULL, 0, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(ipg_clk, 0, NULL, 0, ipg_get_rate, NULL, &ahb_clk); + +#define _REGISTER_CLOCK(d, n, c) \ + { \ + .dev_id = d, \ + .con_id = n, \ + .clk = &c, \ + }, + +static struct clk_lookup lookups[] __initdata = { + _REGISTER_CLOCK(NULL, "emi", emi_clk) + _REGISTER_CLOCK(NULL, "cspi", cspi1_clk) + _REGISTER_CLOCK(NULL, "cspi", cspi2_clk) + _REGISTER_CLOCK(NULL, "cspi", cspi3_clk) + _REGISTER_CLOCK(NULL, "gpt", gpt_clk) + _REGISTER_CLOCK(NULL, "pwm", pwm_clk) + _REGISTER_CLOCK(NULL, "wdog", wdog_clk) + _REGISTER_CLOCK(NULL, "rtc", rtc_clk) + _REGISTER_CLOCK(NULL, "epit", epit1_clk) + _REGISTER_CLOCK(NULL, "epit", epit2_clk) + _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) + _REGISTER_CLOCK("ipu-core", NULL, ipu_clk) + _REGISTER_CLOCK("mx3_sdc_fb", NULL, ipu_clk) + _REGISTER_CLOCK(NULL, "kpp", kpp_clk) + _REGISTER_CLOCK("fsl-usb2-udc", "usb", usb_clk1) + _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usb_clk2) + _REGISTER_CLOCK("mx3-camera.0", "csi", csi_clk) + _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk) + _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk) + _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) + _REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk) + _REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk) + _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) + _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) + _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_clk) + _REGISTER_CLOCK("mxc_w1.0", NULL, owire_clk) + _REGISTER_CLOCK("mxc-mmc.0", NULL, sdhc1_clk) + _REGISTER_CLOCK("mxc-mmc.1", NULL, sdhc2_clk) + _REGISTER_CLOCK(NULL, "ssi", ssi1_clk) + _REGISTER_CLOCK(NULL, "ssi", ssi2_clk) + _REGISTER_CLOCK(NULL, "firi", firi_clk) + _REGISTER_CLOCK(NULL, "ata", ata_clk) + _REGISTER_CLOCK(NULL, "rtic", rtic_clk) + _REGISTER_CLOCK(NULL, "rng", rng_clk) + _REGISTER_CLOCK(NULL, "sdma_ahb", sdma_clk1) + _REGISTER_CLOCK(NULL, "sdma_ipg", sdma_clk2) + _REGISTER_CLOCK(NULL, "mstick", mstick1_clk) + _REGISTER_CLOCK(NULL, "mstick", mstick2_clk) + _REGISTER_CLOCK(NULL, "scc", scc_clk) + _REGISTER_CLOCK(NULL, "iim", iim_clk) + _REGISTER_CLOCK(NULL, "mpeg4", mpeg4_clk) + _REGISTER_CLOCK(NULL, "mbx", mbx_clk) +}; + +int __init mx31_clocks_init(unsigned long fref) { u32 reg; + int i; - reg = __raw_readl(MXC_CCM_COSR) & ~MXC_CCM_COSR_CLKOEN; - __raw_writel(reg, MXC_CCM_COSR); -} - -static struct clk cko1_clk = { - .name = "cko1_clk", - .get_rate = _clk_cko1_get_rate, - .set_rate = _clk_cko1_set_rate, - .round_rate = _clk_cko1_round_rate, - .set_parent = _clk_cko1_set_parent, - .enable = _clk_cko1_enable, - .disable = _clk_cko1_disable, -}; - -static struct clk *mxc_clks[] = { - &ckih_clk, - &ckil_clk, - &mcu_pll_clk, - &usb_pll_clk, - &serial_pll_clk, - &mcu_main_clk, - &ahb_clk, - &per_clk, - &perclk_clk, - &cko1_clk, - &emi_clk, - &cspi_clk[0], - &cspi_clk[1], - &cspi_clk[2], - &ipg_clk, - &gpt_clk, - &pwm_clk, - &wdog_clk, - &rtc_clk, - &epit_clk[0], - &epit_clk[1], - &nfc_clk, - &ipu_clk, - &kpp_clk, - &usb_clk[0], - &usb_clk[1], - &csi_clk, - &uart_clk[0], - &uart_clk[1], - &uart_clk[2], - &uart_clk[3], - &uart_clk[4], - &i2c_clk[0], - &i2c_clk[1], - &i2c_clk[2], - &owire_clk, - &sdhc_clk[0], - &sdhc_clk[1], - &ssi_clk[0], - &ssi_clk[1], - &firi_clk, - &ata_clk, - &rtic_clk, - &rng_clk, - &sdma_clk[0], - &sdma_clk[1], - &mstick_clk[0], - &mstick_clk[1], - &scc_clk, - &iim_clk, -}; - -int __init mxc_clocks_init(unsigned long fref) -{ - u32 reg; - struct clk **clkp; + mxc_set_cpu_type(MXC_CPU_MX31); ckih_rate = fref; - for (clkp = mxc_clks; clkp < mxc_clks + ARRAY_SIZE(mxc_clks); clkp++) - clk_register(*clkp); - - if (cpu_is_mx31()) { - clk_register(&mpeg4_clk); - clk_register(&mbx_clk); - } else { - clk_register(&vpu_clk); - clk_register(&vl2cc_clk); - } + for (i = 0; i < ARRAY_SIZE(lookups); i++) + clkdev_add(&lookups[i]); /* Turn off all possible clocks */ - __raw_writel(MXC_CCM_CGR0_GPT_MASK, MXC_CCM_CGR0); + __raw_writel((3 << 4), MXC_CCM_CGR0); __raw_writel(0, MXC_CCM_CGR1); - - __raw_writel(MXC_CCM_CGR2_EMI_MASK | - MXC_CCM_CGR2_IPMUX1_MASK | - MXC_CCM_CGR2_IPMUX2_MASK | - MXC_CCM_CGR2_MXCCLKENSEL_MASK | /* for MX32 */ - MXC_CCM_CGR2_CHIKCAMPEN_MASK | /* for MX32 */ - MXC_CCM_CGR2_OVRVPUBUSY_MASK | /* for MX32 */ + __raw_writel((3 << 8) | (3 << 14) | (3 << 16)| 1 << 27 | 1 << 28, /* Bit 27 and 28 are not defined for MX32, but still required to be set */ MXC_CCM_CGR2); - clk_disable(&cko1_clk); - clk_disable(&usb_pll_clk); + usb_pll_disable(&usb_pll_clk); pr_info("Clock input source is %ld\n", clk_get_rate(&ckih_clk)); @@ -1143,6 +598,8 @@ int __init mxc_clocks_init(unsigned long fref) __raw_writel(reg, MXC_CCM_PMCR1); } + mxc_timer_init(&ipg_clk); + return 0; } diff --git a/arch/arm/mach-mx3/crm_regs.h b/arch/arm/mach-mx3/crm_regs.h index 4a0e0ede23bb..adfa3627ad84 100644 --- a/arch/arm/mach-mx3/crm_regs.h +++ b/arch/arm/mach-mx3/crm_regs.h @@ -91,47 +91,6 @@ #define MXC_CCM_PDR0_MCU_PODF_OFFSET 0 #define MXC_CCM_PDR0_MCU_PODF_MASK 0x7 -#define MXC_CCM_PDR0_HSP_DIV_1 (0x0 << 11) -#define MXC_CCM_PDR0_HSP_DIV_2 (0x1 << 11) -#define MXC_CCM_PDR0_HSP_DIV_3 (0x2 << 11) -#define MXC_CCM_PDR0_HSP_DIV_4 (0x3 << 11) -#define MXC_CCM_PDR0_HSP_DIV_5 (0x4 << 11) -#define MXC_CCM_PDR0_HSP_DIV_6 (0x5 << 11) -#define MXC_CCM_PDR0_HSP_DIV_7 (0x6 << 11) -#define MXC_CCM_PDR0_HSP_DIV_8 (0x7 << 11) - -#define MXC_CCM_PDR0_IPG_DIV_1 (0x0 << 6) -#define MXC_CCM_PDR0_IPG_DIV_2 (0x1 << 6) -#define MXC_CCM_PDR0_IPG_DIV_3 (0x2 << 6) -#define MXC_CCM_PDR0_IPG_DIV_4 (0x3 << 6) - -#define MXC_CCM_PDR0_MAX_DIV_1 (0x0 << 3) -#define MXC_CCM_PDR0_MAX_DIV_2 (0x1 << 3) -#define MXC_CCM_PDR0_MAX_DIV_3 (0x2 << 3) -#define MXC_CCM_PDR0_MAX_DIV_4 (0x3 << 3) -#define MXC_CCM_PDR0_MAX_DIV_5 (0x4 << 3) -#define MXC_CCM_PDR0_MAX_DIV_6 (0x5 << 3) -#define MXC_CCM_PDR0_MAX_DIV_7 (0x6 << 3) -#define MXC_CCM_PDR0_MAX_DIV_8 (0x7 << 3) - -#define MXC_CCM_PDR0_NFC_DIV_1 (0x0 << 8) -#define MXC_CCM_PDR0_NFC_DIV_2 (0x1 << 8) -#define MXC_CCM_PDR0_NFC_DIV_3 (0x2 << 8) -#define MXC_CCM_PDR0_NFC_DIV_4 (0x3 << 8) -#define MXC_CCM_PDR0_NFC_DIV_5 (0x4 << 8) -#define MXC_CCM_PDR0_NFC_DIV_6 (0x5 << 8) -#define MXC_CCM_PDR0_NFC_DIV_7 (0x6 << 8) -#define MXC_CCM_PDR0_NFC_DIV_8 (0x7 << 8) - -#define MXC_CCM_PDR0_MCU_DIV_1 0x0 -#define MXC_CCM_PDR0_MCU_DIV_2 0x1 -#define MXC_CCM_PDR0_MCU_DIV_3 0x2 -#define MXC_CCM_PDR0_MCU_DIV_4 0x3 -#define MXC_CCM_PDR0_MCU_DIV_5 0x4 -#define MXC_CCM_PDR0_MCU_DIV_6 0x5 -#define MXC_CCM_PDR0_MCU_DIV_7 0x6 -#define MXC_CCM_PDR0_MCU_DIV_8 0x7 - #define MXC_CCM_PDR1_USB_PRDF_OFFSET 30 #define MXC_CCM_PDR1_USB_PRDF_MASK (0x3 << 30) #define MXC_CCM_PDR1_USB_PODF_OFFSET 27 @@ -152,118 +111,6 @@ /* Bit definitions for RCSR */ #define MXC_CCM_RCSR_NF16B 0x80000000 -/* Bit definitions for both MCU, USB and SR PLL control registers */ -#define MXC_CCM_PCTL_BRM 0x80000000 -#define MXC_CCM_PCTL_PD_OFFSET 26 -#define MXC_CCM_PCTL_PD_MASK (0xF << 26) -#define MXC_CCM_PCTL_MFD_OFFSET 16 -#define MXC_CCM_PCTL_MFD_MASK (0x3FF << 16) -#define MXC_CCM_PCTL_MFI_OFFSET 10 -#define MXC_CCM_PCTL_MFI_MASK (0xF << 10) -#define MXC_CCM_PCTL_MFN_OFFSET 0 -#define MXC_CCM_PCTL_MFN_MASK 0x3FF - -#define MXC_CCM_CGR0_SD_MMC1_OFFSET 0 -#define MXC_CCM_CGR0_SD_MMC1_MASK (0x3 << 0) -#define MXC_CCM_CGR0_SD_MMC2_OFFSET 2 -#define MXC_CCM_CGR0_SD_MMC2_MASK (0x3 << 2) -#define MXC_CCM_CGR0_GPT_OFFSET 4 -#define MXC_CCM_CGR0_GPT_MASK (0x3 << 4) -#define MXC_CCM_CGR0_EPIT1_OFFSET 6 -#define MXC_CCM_CGR0_EPIT1_MASK (0x3 << 6) -#define MXC_CCM_CGR0_EPIT2_OFFSET 8 -#define MXC_CCM_CGR0_EPIT2_MASK (0x3 << 8) -#define MXC_CCM_CGR0_IIM_OFFSET 10 -#define MXC_CCM_CGR0_IIM_MASK (0x3 << 10) -#define MXC_CCM_CGR0_ATA_OFFSET 12 -#define MXC_CCM_CGR0_ATA_MASK (0x3 << 12) -#define MXC_CCM_CGR0_SDMA_OFFSET 14 -#define MXC_CCM_CGR0_SDMA_MASK (0x3 << 14) -#define MXC_CCM_CGR0_CSPI3_OFFSET 16 -#define MXC_CCM_CGR0_CSPI3_MASK (0x3 << 16) -#define MXC_CCM_CGR0_RNG_OFFSET 18 -#define MXC_CCM_CGR0_RNG_MASK (0x3 << 18) -#define MXC_CCM_CGR0_UART1_OFFSET 20 -#define MXC_CCM_CGR0_UART1_MASK (0x3 << 20) -#define MXC_CCM_CGR0_UART2_OFFSET 22 -#define MXC_CCM_CGR0_UART2_MASK (0x3 << 22) -#define MXC_CCM_CGR0_SSI1_OFFSET 24 -#define MXC_CCM_CGR0_SSI1_MASK (0x3 << 24) -#define MXC_CCM_CGR0_I2C1_OFFSET 26 -#define MXC_CCM_CGR0_I2C1_MASK (0x3 << 26) -#define MXC_CCM_CGR0_I2C2_OFFSET 28 -#define MXC_CCM_CGR0_I2C2_MASK (0x3 << 28) -#define MXC_CCM_CGR0_I2C3_OFFSET 30 -#define MXC_CCM_CGR0_I2C3_MASK (0x3 << 30) - -#define MXC_CCM_CGR1_HANTRO_OFFSET 0 -#define MXC_CCM_CGR1_HANTRO_MASK (0x3 << 0) -#define MXC_CCM_CGR1_MEMSTICK1_OFFSET 2 -#define MXC_CCM_CGR1_MEMSTICK1_MASK (0x3 << 2) -#define MXC_CCM_CGR1_MEMSTICK2_OFFSET 4 -#define MXC_CCM_CGR1_MEMSTICK2_MASK (0x3 << 4) -#define MXC_CCM_CGR1_CSI_OFFSET 6 -#define MXC_CCM_CGR1_CSI_MASK (0x3 << 6) -#define MXC_CCM_CGR1_RTC_OFFSET 8 -#define MXC_CCM_CGR1_RTC_MASK (0x3 << 8) -#define MXC_CCM_CGR1_WDOG_OFFSET 10 -#define MXC_CCM_CGR1_WDOG_MASK (0x3 << 10) -#define MXC_CCM_CGR1_PWM_OFFSET 12 -#define MXC_CCM_CGR1_PWM_MASK (0x3 << 12) -#define MXC_CCM_CGR1_SIM_OFFSET 14 -#define MXC_CCM_CGR1_SIM_MASK (0x3 << 14) -#define MXC_CCM_CGR1_ECT_OFFSET 16 -#define MXC_CCM_CGR1_ECT_MASK (0x3 << 16) -#define MXC_CCM_CGR1_USBOTG_OFFSET 18 -#define MXC_CCM_CGR1_USBOTG_MASK (0x3 << 18) -#define MXC_CCM_CGR1_KPP_OFFSET 20 -#define MXC_CCM_CGR1_KPP_MASK (0x3 << 20) -#define MXC_CCM_CGR1_IPU_OFFSET 22 -#define MXC_CCM_CGR1_IPU_MASK (0x3 << 22) -#define MXC_CCM_CGR1_UART3_OFFSET 24 -#define MXC_CCM_CGR1_UART3_MASK (0x3 << 24) -#define MXC_CCM_CGR1_UART4_OFFSET 26 -#define MXC_CCM_CGR1_UART4_MASK (0x3 << 26) -#define MXC_CCM_CGR1_UART5_OFFSET 28 -#define MXC_CCM_CGR1_UART5_MASK (0x3 << 28) -#define MXC_CCM_CGR1_OWIRE_OFFSET 30 -#define MXC_CCM_CGR1_OWIRE_MASK (0x3 << 30) - -#define MXC_CCM_CGR2_SSI2_OFFSET 0 -#define MXC_CCM_CGR2_SSI2_MASK (0x3 << 0) -#define MXC_CCM_CGR2_CSPI1_OFFSET 2 -#define MXC_CCM_CGR2_CSPI1_MASK (0x3 << 2) -#define MXC_CCM_CGR2_CSPI2_OFFSET 4 -#define MXC_CCM_CGR2_CSPI2_MASK (0x3 << 4) -#define MXC_CCM_CGR2_GACC_OFFSET 6 -#define MXC_CCM_CGR2_GACC_MASK (0x3 << 6) -#define MXC_CCM_CGR2_EMI_OFFSET 8 -#define MXC_CCM_CGR2_EMI_MASK (0x3 << 8) -#define MXC_CCM_CGR2_RTIC_OFFSET 10 -#define MXC_CCM_CGR2_RTIC_MASK (0x3 << 10) -#define MXC_CCM_CGR2_FIRI_OFFSET 12 -#define MXC_CCM_CGR2_FIRI_MASK (0x3 << 12) -#define MXC_CCM_CGR2_IPMUX1_OFFSET 14 -#define MXC_CCM_CGR2_IPMUX1_MASK (0x3 << 14) -#define MXC_CCM_CGR2_IPMUX2_OFFSET 16 -#define MXC_CCM_CGR2_IPMUX2_MASK (0x3 << 16) - -/* These new CGR2 bits are added in MX32 */ -#define MXC_CCM_CGR2_APMSYSCLKSEL_OFFSET 18 -#define MXC_CCM_CGR2_APMSYSCLKSEL_MASK (0x3 << 18) -#define MXC_CCM_CGR2_APMSSICLKSEL_OFFSET 20 -#define MXC_CCM_CGR2_APMSSICLKSEL_MASK (0x3 << 20) -#define MXC_CCM_CGR2_APMPERCLKSEL_OFFSET 22 -#define MXC_CCM_CGR2_APMPERCLKSEL_MASK (0x3 << 22) -#define MXC_CCM_CGR2_MXCCLKENSEL_OFFSET 24 -#define MXC_CCM_CGR2_MXCCLKENSEL_MASK (0x1 << 24) -#define MXC_CCM_CGR2_CHIKCAMPEN_OFFSET 25 -#define MXC_CCM_CGR2_CHIKCAMPEN_MASK (0x1 << 25) -#define MXC_CCM_CGR2_OVRVPUBUSY_OFFSET 26 -#define MXC_CCM_CGR2_OVRVPUBUSY_MASK (0x1 << 26) -#define MXC_CCM_CGR2_APMENA_OFFSET 30 -#define MXC_CCM_CGR2_AOMENA_MASK (0x1 << 30) - /* * LTR0 register offsets */ diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c index f8428800f286..380be0c9b213 100644 --- a/arch/arm/mach-mx3/devices.c +++ b/arch/arm/mach-mx3/devices.c @@ -25,6 +25,8 @@ #include <mach/irqs.h> #include <mach/imx-uart.h> +#include "devices.h" + static struct resource uart0[] = { { .start = UART1_BASE_ADDR, @@ -82,6 +84,7 @@ struct platform_device mxc_uart_device2 = { .num_resources = ARRAY_SIZE(uart2), }; +#ifdef CONFIG_ARCH_MX31 static struct resource uart3[] = { { .start = UART4_BASE_ADDR, @@ -119,6 +122,7 @@ struct platform_device mxc_uart_device4 = { .resource = uart4, .num_resources = ARRAY_SIZE(uart4), }; +#endif /* CONFIG_ARCH_MX31 */ /* GPIO port description */ static struct mxc_gpio_port imx_gpio_ports[] = { @@ -164,8 +168,8 @@ struct platform_device mxc_w1_master_device = { static struct resource mxc_nand_resources[] = { { - .start = NFC_BASE_ADDR, - .end = NFC_BASE_ADDR + 0xfff, + .start = 0, /* runtime dependent */ + .end = 0, .flags = IORESOURCE_MEM }, { .start = MXC_INT_NANDFC, @@ -180,3 +184,188 @@ struct platform_device mxc_nand_device = { .num_resources = ARRAY_SIZE(mxc_nand_resources), .resource = mxc_nand_resources, }; + +static struct resource mxc_i2c0_resources[] = { + { + .start = I2C_BASE_ADDR, + .end = I2C_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_I2C, + .end = MXC_INT_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_i2c_device0 = { + .name = "imx-i2c", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_i2c0_resources), + .resource = mxc_i2c0_resources, +}; + +static struct resource mxc_i2c1_resources[] = { + { + .start = I2C2_BASE_ADDR, + .end = I2C2_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_I2C2, + .end = MXC_INT_I2C2, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_i2c_device1 = { + .name = "imx-i2c", + .id = 1, + .num_resources = ARRAY_SIZE(mxc_i2c1_resources), + .resource = mxc_i2c1_resources, +}; + +static struct resource mxc_i2c2_resources[] = { + { + .start = I2C3_BASE_ADDR, + .end = I2C3_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_I2C3, + .end = MXC_INT_I2C3, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_i2c_device2 = { + .name = "imx-i2c", + .id = 2, + .num_resources = ARRAY_SIZE(mxc_i2c2_resources), + .resource = mxc_i2c2_resources, +}; + +#ifdef CONFIG_ARCH_MX31 +static struct resource mxcsdhc0_resources[] = { + { + .start = MMC_SDHC1_BASE_ADDR, + .end = MMC_SDHC1_BASE_ADDR + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_MMC_SDHC1, + .end = MXC_INT_MMC_SDHC1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource mxcsdhc1_resources[] = { + { + .start = MMC_SDHC2_BASE_ADDR, + .end = MMC_SDHC2_BASE_ADDR + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_MMC_SDHC2, + .end = MXC_INT_MMC_SDHC2, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxcsdhc_device0 = { + .name = "mxc-mmc", + .id = 0, + .num_resources = ARRAY_SIZE(mxcsdhc0_resources), + .resource = mxcsdhc0_resources, +}; + +struct platform_device mxcsdhc_device1 = { + .name = "mxc-mmc", + .id = 1, + .num_resources = ARRAY_SIZE(mxcsdhc1_resources), + .resource = mxcsdhc1_resources, +}; +#endif /* CONFIG_ARCH_MX31 */ + +/* i.MX31 Image Processing Unit */ + +/* The resource order is important! */ +static struct resource mx3_ipu_rsrc[] = { + { + .start = IPU_CTRL_BASE_ADDR, + .end = IPU_CTRL_BASE_ADDR + 0x5F, + .flags = IORESOURCE_MEM, + }, { + .start = IPU_CTRL_BASE_ADDR + 0x88, + .end = IPU_CTRL_BASE_ADDR + 0xB3, + .flags = IORESOURCE_MEM, + }, { + .start = MXC_INT_IPU_SYN, + .end = MXC_INT_IPU_SYN, + .flags = IORESOURCE_IRQ, + }, { + .start = MXC_INT_IPU_ERR, + .end = MXC_INT_IPU_ERR, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mx3_ipu = { + .name = "ipu-core", + .id = -1, + .num_resources = ARRAY_SIZE(mx3_ipu_rsrc), + .resource = mx3_ipu_rsrc, +}; + +static struct resource fb_resources[] = { + { + .start = IPU_CTRL_BASE_ADDR + 0xB4, + .end = IPU_CTRL_BASE_ADDR + 0x1BF, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device mx3_fb = { + .name = "mx3_sdc_fb", + .id = -1, + .num_resources = ARRAY_SIZE(fb_resources), + .resource = fb_resources, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +#ifdef CONFIG_ARCH_MX35 +static struct resource mxc_fec_resources[] = { + { + .start = MXC_FEC_BASE_ADDR, + .end = MXC_FEC_BASE_ADDR + 0xfff, + .flags = IORESOURCE_MEM + }, { + .start = MXC_INT_FEC, + .end = MXC_INT_FEC, + .flags = IORESOURCE_IRQ + }, +}; + +struct platform_device mxc_fec_device = { + .name = "fec", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_fec_resources), + .resource = mxc_fec_resources, +}; +#endif + +static int mx3_devices_init(void) +{ + if (cpu_is_mx31()) { + mxc_nand_resources[0].start = MX31_NFC_BASE_ADDR; + mxc_nand_resources[0].end = MX31_NFC_BASE_ADDR + 0xfff; + } + if (cpu_is_mx35()) { + mxc_nand_resources[0].start = MX35_NFC_BASE_ADDR; + mxc_nand_resources[0].end = MX35_NFC_BASE_ADDR + 0xfff; + } + + return 0; +} + +subsys_initcall(mx3_devices_init); diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h index 9949ef4e0694..88c04b296fab 100644 --- a/arch/arm/mach-mx3/devices.h +++ b/arch/arm/mach-mx3/devices.h @@ -6,3 +6,11 @@ extern struct platform_device mxc_uart_device3; extern struct platform_device mxc_uart_device4; extern struct platform_device mxc_w1_master_device; extern struct platform_device mxc_nand_device; +extern struct platform_device mxc_i2c_device0; +extern struct platform_device mxc_i2c_device1; +extern struct platform_device mxc_i2c_device2; +extern struct platform_device mx3_ipu; +extern struct platform_device mx3_fb; +extern struct platform_device mxc_fec_device; +extern struct platform_device mxcsdhc_device0; +extern struct platform_device mxcsdhc_device1; diff --git a/arch/arm/mach-mx3/iomux.c b/arch/arm/mach-mx3/iomux.c index 7a5088b519a8..40ffc5a664d9 100644 --- a/arch/arm/mach-mx3/iomux.c +++ b/arch/arm/mach-mx3/iomux.c @@ -1,6 +1,7 @@ /* * Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved. * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de> + * Copyright (C) 2009 by Valentin Longchamp <valentin.longchamp@epfl.ch> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -21,6 +22,7 @@ #include <linux/spinlock.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/kernel.h> #include <mach/hardware.h> #include <mach/gpio.h> #include <mach/iomux-mx3.h> @@ -38,6 +40,8 @@ static DEFINE_SPINLOCK(gpio_mux_lock); #define IOMUX_REG_MASK (IOMUX_PADNUM_MASK & ~0x3) + +unsigned long mxc_pin_alloc_map[NB_PORTS * 32 / BITS_PER_LONG]; /* * set the mode for a IOMUX pin. */ @@ -50,9 +54,6 @@ int mxc_iomux_mode(unsigned int pin_mode) field = pin_mode & 0x3; mode = (pin_mode & IOMUX_MODE_MASK) >> IOMUX_MODE_SHIFT; - pr_debug("%s: reg offset = 0x%x field = %d mode = 0x%02x\n", - __func__, (pin_mode & IOMUX_REG_MASK), field, mode); - spin_lock(&gpio_mux_lock); l = __raw_readl(reg); @@ -93,6 +94,86 @@ void mxc_iomux_set_pad(enum iomux_pins pin, u32 config) EXPORT_SYMBOL(mxc_iomux_set_pad); /* + * setups a single pin: + * - reserves the pin so that it is not claimed by another driver + * - setups the iomux according to the configuration + * - if the pin is configured as a GPIO, we claim it through kernel gpiolib + */ +int mxc_iomux_setup_pin(const unsigned int pin, const char *label) +{ + unsigned pad = pin & IOMUX_PADNUM_MASK; + unsigned gpio; + + if (pad >= (PIN_MAX + 1)) { + printk(KERN_ERR "mxc_iomux: Attempt to request nonexistant pin %u for \"%s\"\n", + pad, label ? label : "?"); + return -EINVAL; + } + + if (test_and_set_bit(pad, mxc_pin_alloc_map)) { + printk(KERN_ERR "mxc_iomux: pin %u already used. Allocation for \"%s\" failed\n", + pad, label ? label : "?"); + return -EINVAL; + } + mxc_iomux_mode(pin); + + /* if we have a gpio, we can allocate it */ + gpio = (pin & IOMUX_GPIONUM_MASK) >> IOMUX_GPIONUM_SHIFT; + if (gpio < (GPIO_PORT_MAX + 1) * 32) + if (gpio_request(gpio, label)) + return -EINVAL; + + return 0; +} +EXPORT_SYMBOL(mxc_iomux_setup_pin); + +int mxc_iomux_setup_multiple_pins(unsigned int *pin_list, unsigned count, + const char *label) +{ + unsigned int *p = pin_list; + int i; + int ret = -EINVAL; + + for (i = 0; i < count; i++) { + if (mxc_iomux_setup_pin(*p, label)) + goto setup_error; + p++; + } + return 0; + +setup_error: + mxc_iomux_release_multiple_pins(pin_list, i); + return ret; +} +EXPORT_SYMBOL(mxc_iomux_setup_multiple_pins); + +void mxc_iomux_release_pin(const unsigned int pin) +{ + unsigned pad = pin & IOMUX_PADNUM_MASK; + unsigned gpio; + + if (pad < (PIN_MAX + 1)) + clear_bit(pad, mxc_pin_alloc_map); + + gpio = (pin & IOMUX_GPIONUM_MASK) >> IOMUX_GPIONUM_SHIFT; + if (gpio < (GPIO_PORT_MAX + 1) * 32) + gpio_free(gpio); +} +EXPORT_SYMBOL(mxc_iomux_release_pin); + +void mxc_iomux_release_multiple_pins(unsigned int *pin_list, int count) +{ + unsigned int *p = pin_list; + int i; + + for (i = 0; i < count; i++) { + mxc_iomux_release_pin(*p); + p++; + } +} +EXPORT_SYMBOL(mxc_iomux_release_multiple_pins); + +/* * This function enables/disables the general purpose function for a particular * signal. */ @@ -111,4 +192,3 @@ void mxc_iomux_set_gpr(enum iomux_gp_func gp, bool en) spin_unlock(&gpio_mux_lock); } EXPORT_SYMBOL(mxc_iomux_set_gpr); - diff --git a/arch/arm/mach-mx3/mm.c b/arch/arm/mach-mx3/mm.c index 0589b5cd33c7..9e1459cb4b74 100644 --- a/arch/arm/mach-mx3/mm.c +++ b/arch/arm/mach-mx3/mm.c @@ -22,10 +22,14 @@ #include <linux/mm.h> #include <linux/init.h> -#include <mach/hardware.h> +#include <linux/err.h> + #include <asm/pgtable.h> #include <asm/mach/map.h> +#include <asm/hardware/cache-l2x0.h> + #include <mach/common.h> +#include <mach/hardware.h> /*! * @file mm.c @@ -50,6 +54,16 @@ static struct map_desc mxc_io_desc[] __initdata = { .pfn = __phys_to_pfn(AVIC_BASE_ADDR), .length = AVIC_SIZE, .type = MT_DEVICE_NONSHARED + }, { + .virtual = AIPS1_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), + .length = AIPS1_SIZE, + .type = MT_DEVICE_NONSHARED + }, { + .virtual = AIPS2_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), + .length = AIPS2_SIZE, + .type = MT_DEVICE_NONSHARED }, }; @@ -62,3 +76,24 @@ void __init mxc_map_io(void) { iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); } + +#ifdef CONFIG_CACHE_L2X0 +static int mxc_init_l2x0(void) +{ + void __iomem *l2x0_base; + + l2x0_base = ioremap(L2CC_BASE_ADDR, 4096); + if (IS_ERR(l2x0_base)) { + printk(KERN_ERR "remapping L2 cache area failed with %ld\n", + PTR_ERR(l2x0_base)); + return 0; + } + + l2x0_init(l2x0_base, 0x00030024, 0x00000000); + + return 0; +} + +arch_initcall(mxc_init_l2x0); +#endif + diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c index f902a7c37c31..83e5e8e1276f 100644 --- a/arch/arm/mach-mx3/mx31ads.c +++ b/arch/arm/mach-mx3/mx31ads.c @@ -22,6 +22,8 @@ #include <linux/init.h> #include <linux/clk.h> #include <linux/serial_8250.h> +#include <linux/gpio.h> +#include <linux/i2c.h> #include <linux/irq.h> #include <mach/hardware.h> @@ -35,6 +37,12 @@ #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> +#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 +#include <linux/mfd/wm8350/audio.h> +#include <linux/mfd/wm8350/core.h> +#include <linux/mfd/wm8350/pmic.h> +#endif + #include "devices.h" /*! @@ -94,13 +102,16 @@ static struct imxuart_platform_data uart_pdata = { .flags = IMXUART_HAVE_RTSCTS, }; +static int uart_pins[] = { + MX31_PIN_CTS1__CTS1, + MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, + MX31_PIN_RXD1__RXD1 +}; + static inline void mxc_init_imx_uart(void) { - mxc_iomux_mode(MX31_PIN_CTS1__CTS1); - mxc_iomux_mode(MX31_PIN_RTS1__RTS1); - mxc_iomux_mode(MX31_PIN_TXD1__TXD1); - mxc_iomux_mode(MX31_PIN_RXD1__RXD1); - + mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0"); mxc_register_device(&mxc_uart_device0, &uart_pdata); } #else /* !SERIAL_IMX */ @@ -176,7 +187,7 @@ static void __init mx31ads_init_expio(void) /* * Configure INT line as GPIO input */ - mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO)); + mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio"); /* disable the interrupt and clear the status */ __raw_writew(0xFFFF, PBC_INTMASK_CLEAR_REG); @@ -191,26 +202,301 @@ static void __init mx31ads_init_expio(void) set_irq_chained_handler(EXPIO_PARENT_INT, mx31ads_expio_irq_handler); } +#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 +/* This section defines setup for the Wolfson Microelectronics + * 1133-EV1 PMU/audio board. When other PMU boards are supported the + * regulator definitions may be shared with them, but for now they can + * only be used with this board so would generate warnings about + * unused statics and some of the configuration is specific to this + * module. + */ + +/* CPU */ +static struct regulator_consumer_supply sw1a_consumers[] = { + { + .supply = "cpu_vcc", + } +}; + +static struct regulator_init_data sw1a_data = { + .constraints = { + .name = "SW1A", + .min_uV = 1275000, + .max_uV = 1600000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_MODE, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_FAST, + .state_mem = { + .uV = 1400000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .initial_state = PM_SUSPEND_MEM, + .always_on = 1, + .boot_on = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(sw1a_consumers), + .consumer_supplies = sw1a_consumers, +}; + +/* System IO - High */ +static struct regulator_init_data viohi_data = { + .constraints = { + .name = "VIOHO", + .min_uV = 2800000, + .max_uV = 2800000, + .state_mem = { + .uV = 2800000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .initial_state = PM_SUSPEND_MEM, + .always_on = 1, + .boot_on = 1, + }, +}; + +/* System IO - Low */ +static struct regulator_init_data violo_data = { + .constraints = { + .name = "VIOLO", + .min_uV = 1800000, + .max_uV = 1800000, + .state_mem = { + .uV = 1800000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .initial_state = PM_SUSPEND_MEM, + .always_on = 1, + .boot_on = 1, + }, +}; + +/* DDR RAM */ +static struct regulator_init_data sw2a_data = { + .constraints = { + .name = "SW2A", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .state_mem = { + .uV = 1800000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .state_disk = { + .mode = REGULATOR_MODE_NORMAL, + .enabled = 0, + }, + .always_on = 1, + .boot_on = 1, + .initial_state = PM_SUSPEND_MEM, + }, +}; + +static struct regulator_init_data ldo1_data = { + .constraints = { + .name = "VCAM/VMMC1/VMMC2", + .min_uV = 2800000, + .max_uV = 2800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, +}; + +static struct regulator_consumer_supply ldo2_consumers[] = { + { + .supply = "AVDD", + }, + { + .supply = "HPVDD", + }, +}; + +/* CODEC and SIM */ +static struct regulator_init_data ldo2_data = { + .constraints = { + .name = "VESIM/VSIM/AVDD", + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo2_consumers), + .consumer_supplies = ldo2_consumers, +}; + +/* General */ +static struct regulator_init_data vdig_data = { + .constraints = { + .name = "VDIG", + .min_uV = 1500000, + .max_uV = 1500000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + .always_on = 1, + .boot_on = 1, + }, +}; + +/* Tranceivers */ +static struct regulator_init_data ldo4_data = { + .constraints = { + .name = "VRF1/CVDD_2.775", + .min_uV = 2500000, + .max_uV = 2500000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + .apply_uV = 1, + .always_on = 1, + .boot_on = 1, + }, +}; + +static struct wm8350_led_platform_data wm8350_led_data = { + .name = "wm8350:white", + .default_trigger = "heartbeat", + .max_uA = 27899, +}; + +static struct wm8350_audio_platform_data imx32ads_wm8350_setup = { + .vmid_discharge_msecs = 1000, + .drain_msecs = 30, + .cap_discharge_msecs = 700, + .vmid_charge_msecs = 700, + .vmid_s_curve = WM8350_S_CURVE_SLOW, + .dis_out4 = WM8350_DISCHARGE_SLOW, + .dis_out3 = WM8350_DISCHARGE_SLOW, + .dis_out2 = WM8350_DISCHARGE_SLOW, + .dis_out1 = WM8350_DISCHARGE_SLOW, + .vroi_out4 = WM8350_TIE_OFF_500R, + .vroi_out3 = WM8350_TIE_OFF_500R, + .vroi_out2 = WM8350_TIE_OFF_500R, + .vroi_out1 = WM8350_TIE_OFF_500R, + .vroi_enable = 0, + .codec_current_on = WM8350_CODEC_ISEL_1_0, + .codec_current_standby = WM8350_CODEC_ISEL_0_5, + .codec_current_charge = WM8350_CODEC_ISEL_1_5, +}; + +static int mx31_wm8350_init(struct wm8350 *wm8350) +{ + int i; + + wm8350_gpio_config(wm8350, 0, WM8350_GPIO_DIR_IN, + WM8350_GPIO0_PWR_ON_IN, WM8350_GPIO_ACTIVE_LOW, + WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_ON); + + wm8350_gpio_config(wm8350, 3, WM8350_GPIO_DIR_IN, + WM8350_GPIO3_PWR_OFF_IN, WM8350_GPIO_ACTIVE_HIGH, + WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_ON); + + wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_IN, + WM8350_GPIO4_MR_IN, WM8350_GPIO_ACTIVE_HIGH, + WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + wm8350_gpio_config(wm8350, 7, WM8350_GPIO_DIR_IN, + WM8350_GPIO7_HIBERNATE_IN, WM8350_GPIO_ACTIVE_HIGH, + WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + wm8350_gpio_config(wm8350, 6, WM8350_GPIO_DIR_OUT, + WM8350_GPIO6_SDOUT_OUT, WM8350_GPIO_ACTIVE_HIGH, + WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + wm8350_gpio_config(wm8350, 8, WM8350_GPIO_DIR_OUT, + WM8350_GPIO8_VCC_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW, + WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + wm8350_gpio_config(wm8350, 9, WM8350_GPIO_DIR_OUT, + WM8350_GPIO9_BATT_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW, + WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, + WM8350_GPIO_DEBOUNCE_OFF); + + /* Fix up for our own supplies. */ + for (i = 0; i < ARRAY_SIZE(ldo2_consumers); i++) + ldo2_consumers[i].dev = wm8350->dev; + + wm8350_register_regulator(wm8350, WM8350_DCDC_1, &sw1a_data); + wm8350_register_regulator(wm8350, WM8350_DCDC_3, &viohi_data); + wm8350_register_regulator(wm8350, WM8350_DCDC_4, &violo_data); + wm8350_register_regulator(wm8350, WM8350_DCDC_6, &sw2a_data); + wm8350_register_regulator(wm8350, WM8350_LDO_1, &ldo1_data); + wm8350_register_regulator(wm8350, WM8350_LDO_2, &ldo2_data); + wm8350_register_regulator(wm8350, WM8350_LDO_3, &vdig_data); + wm8350_register_regulator(wm8350, WM8350_LDO_4, &ldo4_data); + + /* LEDs */ + wm8350_dcdc_set_slot(wm8350, WM8350_DCDC_5, 1, 1, + WM8350_DC5_ERRACT_SHUTDOWN_CONV); + wm8350_isink_set_flash(wm8350, WM8350_ISINK_A, + WM8350_ISINK_FLASH_DISABLE, + WM8350_ISINK_FLASH_TRIG_BIT, + WM8350_ISINK_FLASH_DUR_32MS, + WM8350_ISINK_FLASH_ON_INSTANT, + WM8350_ISINK_FLASH_OFF_INSTANT, + WM8350_ISINK_FLASH_MODE_EN); + wm8350_dcdc25_set_mode(wm8350, WM8350_DCDC_5, + WM8350_ISINK_MODE_BOOST, + WM8350_ISINK_ILIM_NORMAL, + WM8350_DC5_RMP_20V, + WM8350_DC5_FBSRC_ISINKA); + wm8350_register_led(wm8350, 0, WM8350_DCDC_5, WM8350_ISINK_A, + &wm8350_led_data); + + wm8350->codec.platform_data = &imx32ads_wm8350_setup; + + return 0; +} + +static struct wm8350_platform_data __initdata mx31_wm8350_pdata = { + .init = mx31_wm8350_init, +}; +#endif + +#if defined(CONFIG_I2C_IMX) || defined(CONFIG_I2C_IMX_MODULE) +static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = { +#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 + { + I2C_BOARD_INFO("wm8350", 0x1a), + .platform_data = &mx31_wm8350_pdata, + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), + }, +#endif +}; + +static void mxc_init_i2c(void) +{ + i2c_register_board_info(1, mx31ads_i2c1_devices, + ARRAY_SIZE(mx31ads_i2c1_devices)); + + mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MOSI, IOMUX_CONFIG_ALT1)); + mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MISO, IOMUX_CONFIG_ALT1)); + + mxc_register_device(&mxc_i2c_device1, NULL); +} +#else +static void mxc_init_i2c(void) +{ +} +#endif + /*! * This structure defines static mappings for the i.MX31ADS board. */ static struct map_desc mx31ads_io_desc[] __initdata = { { - .virtual = AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), - .length = AIPS1_SIZE, - .type = MT_DEVICE_NONSHARED - }, { .virtual = SPBA0_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(SPBA0_BASE_ADDR), .length = SPBA0_SIZE, .type = MT_DEVICE_NONSHARED }, { - .virtual = AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), - .length = AIPS2_SIZE, - .type = MT_DEVICE_NONSHARED - }, { .virtual = CS4_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(CS4_BASE_ADDR), .length = CS4_SIZE / 2, @@ -221,13 +507,13 @@ static struct map_desc mx31ads_io_desc[] __initdata = { /*! * Set up static virtual mappings. */ -void __init mx31ads_map_io(void) +static void __init mx31ads_map_io(void) { mxc_map_io(); iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc)); } -void __init mx31ads_init_irq(void) +static void __init mx31ads_init_irq(void) { mxc_init_irq(); mx31ads_init_expio(); @@ -240,15 +526,15 @@ static void __init mxc_board_init(void) { mxc_init_extuart(); mxc_init_imx_uart(); + mxc_init_i2c(); } static void __init mx31ads_timer_init(void) { - mxc_clocks_init(26000000); - mxc_timer_init("ipg_clk.0"); + mx31_clocks_init(26000000); } -struct sys_timer mx31ads_timer = { +static struct sys_timer mx31ads_timer = { .init = mx31ads_timer_init, }; diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c index c43440070143..894d98cd9941 100644 --- a/arch/arm/mach-mx3/mx31lite.c +++ b/arch/arm/mach-mx3/mx31lite.c @@ -42,21 +42,11 @@ */ static struct map_desc mx31lite_io_desc[] __initdata = { { - .virtual = AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), - .length = AIPS1_SIZE, - .type = MT_DEVICE_NONSHARED - }, { .virtual = SPBA0_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(SPBA0_BASE_ADDR), .length = SPBA0_SIZE, .type = MT_DEVICE_NONSHARED }, { - .virtual = AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), - .length = AIPS2_SIZE, - .type = MT_DEVICE_NONSHARED - }, { .virtual = CS4_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(CS4_BASE_ADDR), .length = CS4_SIZE, @@ -82,8 +72,7 @@ static void __init mxc_board_init(void) static void __init mx31lite_timer_init(void) { - mxc_clocks_init(26000000); - mxc_timer_init("ipg_clk.0"); + mx31_clocks_init(26000000); } struct sys_timer mx31lite_timer = { diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c new file mode 100644 index 000000000000..d080b4add79c --- /dev/null +++ b/arch/arm/mach-mx3/mx31moboard-devboard.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> + +#include <linux/platform_device.h> + +#include <mach/hardware.h> +#include <mach/common.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx3.h> + +#include "devices.h" + +static struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static int mxc_uart1_pins[] = { + MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2, + MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2, +}; + +/* + * system init for baseboard usage. Will be called by mx31moboard init. + */ +void __init mx31moboard_devboard_init(void) +{ + printk(KERN_INFO "Initializing mx31devboard peripherals\n"); + mxc_iomux_setup_multiple_pins(mxc_uart1_pins, ARRAY_SIZE(mxc_uart1_pins), "uart1"); + mxc_register_device(&mxc_uart_device1, &uart_pdata); +} diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c new file mode 100644 index 000000000000..9ef9566823fb --- /dev/null +++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> + +#include <linux/platform_device.h> + +#include <mach/hardware.h> +#include <mach/common.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx3.h> + +#include "devices.h" + +/* + * system init for baseboard usage. Will be called by mx31moboard init. + */ +void __init mx31moboard_marxbot_init(void) +{ + printk(KERN_INFO "Initializing mx31marxbot peripherals\n"); +} diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c index c29098af7394..34c2a1b99d4f 100644 --- a/arch/arm/mach-mx3/mx31moboard.c +++ b/arch/arm/mach-mx3/mx31moboard.c @@ -32,6 +32,7 @@ #include <mach/common.h> #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> +#include <mach/board-mx31moboard.h> #include "devices.h" @@ -63,6 +64,18 @@ static struct platform_device *devices[] __initdata = { &mx31moboard_flash, }; +static int mxc_uart0_pins[] = { + MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, +}; +static int mxc_uart4_pins[] = { + MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, + MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, +}; + +static int mx31moboard_baseboard; +core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); + /* * Board specific initialization. */ @@ -70,58 +83,29 @@ static void __init mxc_board_init(void) { platform_add_devices(devices, ARRAY_SIZE(devices)); - mxc_iomux_mode(MX31_PIN_CTS1__CTS1); - mxc_iomux_mode(MX31_PIN_RTS1__RTS1); - mxc_iomux_mode(MX31_PIN_TXD1__TXD1); - mxc_iomux_mode(MX31_PIN_RXD1__RXD1); - + mxc_iomux_setup_multiple_pins(mxc_uart0_pins, ARRAY_SIZE(mxc_uart0_pins), "uart0"); mxc_register_device(&mxc_uart_device0, &uart_pdata); - mxc_iomux_mode(MX31_PIN_CTS2__CTS2); - mxc_iomux_mode(MX31_PIN_RTS2__RTS2); - mxc_iomux_mode(MX31_PIN_TXD2__TXD2); - mxc_iomux_mode(MX31_PIN_RXD2__RXD2); - - mxc_register_device(&mxc_uart_device1, &uart_pdata); - - mxc_iomux_mode(MX31_PIN_PC_RST__CTS5); - mxc_iomux_mode(MX31_PIN_PC_VS2__RTS5); - mxc_iomux_mode(MX31_PIN_PC_BVD2__TXD5); - mxc_iomux_mode(MX31_PIN_PC_BVD1__RXD5); - + mxc_iomux_setup_multiple_pins(mxc_uart4_pins, ARRAY_SIZE(mxc_uart4_pins), "uart4"); mxc_register_device(&mxc_uart_device4, &uart_pdata); -} -/* - * This structure defines static mappings for the mx31moboard. - */ -static struct map_desc mx31moboard_io_desc[] __initdata = { - { - .virtual = AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), - .length = AIPS1_SIZE, - .type = MT_DEVICE_NONSHARED - }, { - .virtual = AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), - .length = AIPS2_SIZE, - .type = MT_DEVICE_NONSHARED - }, -}; - -/* - * Set up static virtual mappings. - */ -void __init mx31moboard_map_io(void) -{ - mxc_map_io(); - iotable_init(mx31moboard_io_desc, ARRAY_SIZE(mx31moboard_io_desc)); + switch (mx31moboard_baseboard) { + case MX31NOBOARD: + break; + case MX31DEVBOARD: + mx31moboard_devboard_init(); + break; + case MX31MARXBOT: + mx31moboard_marxbot_init(); + break; + default: + printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", mx31moboard_baseboard); + } } static void __init mx31moboard_timer_init(void) { - mxc_clocks_init(26000000); - mxc_timer_init("ipg_clk.0"); + mx31_clocks_init(26000000); } struct sys_timer mx31moboard_timer = { @@ -133,7 +117,7 @@ MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") .phys_io = AIPS1_BASE_ADDR, .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x100, - .map_io = mx31moboard_map_io, + .map_io = mxc_map_io, .init_irq = mxc_init_irq, .init_machine = mxc_board_init, .timer = &mx31moboard_timer, diff --git a/arch/arm/mach-mx3/mx31pdk.c b/arch/arm/mach-mx3/mx31pdk.c index d464d068a4a6..bc63f1785691 100644 --- a/arch/arm/mach-mx3/mx31pdk.c +++ b/arch/arm/mach-mx3/mx31pdk.c @@ -45,40 +45,17 @@ static struct imxuart_platform_data uart_pdata = { .flags = IMXUART_HAVE_RTSCTS, }; -static inline void mxc_init_imx_uart(void) -{ - mxc_iomux_mode(MX31_PIN_CTS1__CTS1); - mxc_iomux_mode(MX31_PIN_RTS1__RTS1); - mxc_iomux_mode(MX31_PIN_TXD1__TXD1); - mxc_iomux_mode(MX31_PIN_RXD1__RXD1); - - mxc_register_device(&mxc_uart_device0, &uart_pdata); -} - -/*! - * This structure defines static mappings for the i.MX31PDK board. - */ -static struct map_desc mx31pdk_io_desc[] __initdata = { - { - .virtual = AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), - .length = AIPS1_SIZE, - .type = MT_DEVICE_NONSHARED - }, { - .virtual = AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), - .length = AIPS2_SIZE, - .type = MT_DEVICE_NONSHARED - }, +static int uart_pins[] = { + MX31_PIN_CTS1__CTS1, + MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, + MX31_PIN_RXD1__RXD1 }; -/*! - * Set up static virtual mappings. - */ -static void __init mx31pdk_map_io(void) +static inline void mxc_init_imx_uart(void) { - mxc_map_io(); - iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc)); + mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0"); + mxc_register_device(&mxc_uart_device0, &uart_pdata); } /*! @@ -91,8 +68,7 @@ static void __init mxc_board_init(void) static void __init mx31pdk_timer_init(void) { - mxc_clocks_init(26000000); - mxc_timer_init("ipg_clk.0"); + mx31_clocks_init(26000000); } static struct sys_timer mx31pdk_timer = { @@ -108,7 +84,7 @@ MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") .phys_io = AIPS1_BASE_ADDR, .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x100, - .map_io = mx31pdk_map_io, + .map_io = mxc_map_io, .init_irq = mxc_init_irq, .init_machine = mxc_board_init, .timer = &mx31pdk_timer, diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c index 8cea82587222..5fce022114de 100644 --- a/arch/arm/mach-mx3/pcm037.c +++ b/arch/arm/mach-mx3/pcm037.c @@ -26,6 +26,8 @@ #include <linux/gpio.h> #include <linux/smc911x.h> #include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -37,6 +39,10 @@ #include <mach/iomux-mx3.h> #include <mach/board-pcm037.h> #include <mach/mxc_nand.h> +#include <mach/mmc.h> +#ifdef CONFIG_I2C_IMX +#include <mach/i2c.h> +#endif #include "devices.h" @@ -117,12 +123,90 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = { .hw_ecc = 1, }; +#ifdef CONFIG_I2C_IMX +static int i2c_1_pins[] = { + MX31_PIN_CSPI2_MOSI__SCL, + MX31_PIN_CSPI2_MISO__SDA, +}; + +static int pcm037_i2c_1_init(struct device *dev) +{ + return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins), + "i2c-1"); +} + +static void pcm037_i2c_1_exit(struct device *dev) +{ + mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins)); +} + +static struct imxi2c_platform_data pcm037_i2c_1_data = { + .bitrate = 100000, + .init = pcm037_i2c_1_init, + .exit = pcm037_i2c_1_exit, +}; + +static struct at24_platform_data board_eeprom = { + .byte_len = 4096, + .page_size = 32, + .flags = AT24_FLAG_ADDR16, +}; + +static struct i2c_board_info pcm037_i2c_devices[] = { + { + I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ + .platform_data = &board_eeprom, + }, { + I2C_BOARD_INFO("rtc-pcf8563", 0x51), + .type = "pcf8563", + } +}; +#endif + +static int sdhc1_pins[] = { + MX31_PIN_SD1_DATA3__SD1_DATA3, + MX31_PIN_SD1_DATA2__SD1_DATA2, + MX31_PIN_SD1_DATA1__SD1_DATA1, + MX31_PIN_SD1_DATA0__SD1_DATA0, + MX31_PIN_SD1_CLK__SD1_CLK, + MX31_PIN_SD1_CMD__SD1_CMD, +}; + +static int pcm970_sdhc1_init(struct device *dev, irq_handler_t h, void *data) +{ + return mxc_iomux_setup_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins), + "sdhc-1"); +} + +static void pcm970_sdhc1_exit(struct device *dev, void *data) +{ + mxc_iomux_release_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins)); +} + +/* No card and rw detection at the moment */ +static struct imxmmc_platform_data sdhc_pdata = { + .init = pcm970_sdhc1_init, + .exit = pcm970_sdhc1_exit, +}; + static struct platform_device *devices[] __initdata = { &pcm037_flash, &pcm037_eth, &pcm037_sram_device, }; +static int uart0_pins[] = { + MX31_PIN_CTS1__CTS1, + MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, + MX31_PIN_RXD1__RXD1 +}; + +static int uart2_pins[] = { + MX31_PIN_CSPI3_MOSI__RXD3, + MX31_PIN_CSPI3_MISO__TXD3 +}; + /* * Board specific initialization. */ @@ -130,59 +214,33 @@ static void __init mxc_board_init(void) { platform_add_devices(devices, ARRAY_SIZE(devices)); - mxc_iomux_mode(MX31_PIN_CTS1__CTS1); - mxc_iomux_mode(MX31_PIN_RTS1__RTS1); - mxc_iomux_mode(MX31_PIN_TXD1__TXD1); - mxc_iomux_mode(MX31_PIN_RXD1__RXD1); - + mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0"); mxc_register_device(&mxc_uart_device0, &uart_pdata); - mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3); - mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3); - + mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2"); mxc_register_device(&mxc_uart_device2, &uart_pdata); - mxc_iomux_mode(MX31_PIN_BATT_LINE__OWIRE); + mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire"); mxc_register_device(&mxc_w1_master_device, NULL); /* SMSC9215 IRQ pin */ - mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO)); - if (!gpio_request(MX31_PIN_GPIO3_1, "pcm037-eth")) + if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO), + "pcm037-eth")) gpio_direction_input(MX31_PIN_GPIO3_1); - mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info); -} +#ifdef CONFIG_I2C_IMX + i2c_register_board_info(1, pcm037_i2c_devices, + ARRAY_SIZE(pcm037_i2c_devices)); -/* - * This structure defines static mappings for the pcm037 board. - */ -static struct map_desc pcm037_io_desc[] __initdata = { - { - .virtual = AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), - .length = AIPS1_SIZE, - .type = MT_DEVICE_NONSHARED - }, { - .virtual = AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), - .length = AIPS2_SIZE, - .type = MT_DEVICE_NONSHARED - }, -}; - -/* - * Set up static virtual mappings. - */ -void __init pcm037_map_io(void) -{ - mxc_map_io(); - iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc)); + mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data); +#endif + mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info); + mxc_register_device(&mxcsdhc_device0, &sdhc_pdata); } static void __init pcm037_timer_init(void) { - mxc_clocks_init(26000000); - mxc_timer_init("ipg_clk.0"); + mx31_clocks_init(26000000); } struct sys_timer pcm037_timer = { @@ -194,7 +252,7 @@ MACHINE_START(PCM037, "Phytec Phycore pcm037") .phys_io = AIPS1_BASE_ADDR, .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x100, - .map_io = pcm037_map_io, + .map_io = mxc_map_io, .init_irq = mxc_init_irq, .init_machine = mxc_board_init, .timer = &pcm037_timer, diff --git a/arch/arm/mach-mx3/qong.c b/arch/arm/mach-mx3/qong.c new file mode 100644 index 000000000000..6c4283cec6f4 --- /dev/null +++ b/arch/arm/mach-mx3/qong.c @@ -0,0 +1,312 @@ +/* + * Copyright (C) 2009 Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/memory.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/nand.h> +#include <linux/gpio.h> + +#include <mach/hardware.h> +#include <mach/irqs.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> +#include <mach/common.h> +#include <asm/page.h> +#include <asm/setup.h> +#include <mach/board-qong.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx3.h> +#include "devices.h" + +/* FPGA defines */ +#define QONG_FPGA_VERSION(major, minor, rev) \ + (((major & 0xF) << 12) | ((minor & 0xF) << 8) | (rev & 0xFF)) + +#define QONG_FPGA_BASEADDR CS1_BASE_ADDR +#define QONG_FPGA_PERIPH_SIZE (1 << 24) + +#define QONG_FPGA_CTRL_BASEADDR QONG_FPGA_BASEADDR +#define QONG_FPGA_CTRL_SIZE 0x10 +/* FPGA control registers */ +#define QONG_FPGA_CTRL_VERSION 0x00 + +#define QONG_DNET_ID 1 +#define QONG_DNET_BASEADDR \ + (QONG_FPGA_BASEADDR + QONG_DNET_ID * QONG_FPGA_PERIPH_SIZE) +#define QONG_DNET_SIZE 0x00001000 + +#define QONG_FPGA_IRQ IOMUX_TO_IRQ(MX31_PIN_DTR_DCE1) + +/* + * This file contains the board-specific initialization routines. + */ + +static struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static int uart_pins[] = { + MX31_PIN_CTS1__CTS1, + MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, + MX31_PIN_RXD1__RXD1 +}; + +static inline void mxc_init_imx_uart(void) +{ + mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), + "uart-0"); + mxc_register_device(&mxc_uart_device0, &uart_pdata); +} + +static struct resource dnet_resources[] = { + [0] = { + .name = "dnet-memory", + .start = QONG_DNET_BASEADDR, + .end = QONG_DNET_BASEADDR + QONG_DNET_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = QONG_FPGA_IRQ, + .end = QONG_FPGA_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dnet_device = { + .name = "dnet", + .id = -1, + .num_resources = ARRAY_SIZE(dnet_resources), + .resource = dnet_resources, +}; + +static int __init qong_init_dnet(void) +{ + int ret; + + ret = platform_device_register(&dnet_device); + return ret; +} + +/* MTD NOR flash */ + +static struct physmap_flash_data qong_flash_data = { + .width = 2, +}; + +static struct resource qong_flash_resource = { + .start = CS0_BASE_ADDR, + .end = CS0_BASE_ADDR + QONG_NOR_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device qong_nor_mtd_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &qong_flash_data, + }, + .resource = &qong_flash_resource, + .num_resources = 1, +}; + +static void qong_init_nor_mtd(void) +{ + (void)platform_device_register(&qong_nor_mtd_device); +} + +/* + * Hardware specific access to control-lines + */ +static void qong_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) +{ + struct nand_chip *nand_chip = mtd->priv; + + if (cmd == NAND_CMD_NONE) + return; + + if (ctrl & NAND_CLE) + writeb(cmd, nand_chip->IO_ADDR_W + (1 << 24)); + else + writeb(cmd, nand_chip->IO_ADDR_W + (1 << 23)); +} + +/* + * Read the Device Ready pin. + */ +static int qong_nand_device_ready(struct mtd_info *mtd) +{ + return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_NFRB)); +} + +static void qong_nand_select_chip(struct mtd_info *mtd, int chip) +{ + if (chip >= 0) + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_NFCE_B), 0); + else + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_NFCE_B), 1); +} + +static struct platform_nand_data qong_nand_data = { + .chip = { + .chip_delay = 20, + .options = 0, + }, + .ctrl = { + .cmd_ctrl = qong_nand_cmd_ctrl, + .dev_ready = qong_nand_device_ready, + .select_chip = qong_nand_select_chip, + } +}; + +static struct resource qong_nand_resource = { + .start = CS3_BASE_ADDR, + .end = CS3_BASE_ADDR + SZ_32M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device qong_nand_device = { + .name = "gen_nand", + .id = -1, + .dev = { + .platform_data = &qong_nand_data, + }, + .num_resources = 1, + .resource = &qong_nand_resource, +}; + +static void __init qong_init_nand_mtd(void) +{ + /* init CS */ + __raw_writel(0x00004f00, CSCR_U(3)); + __raw_writel(0x20013b31, CSCR_L(3)); + __raw_writel(0x00020800, CSCR_A(3)); + mxc_iomux_set_gpr(MUX_SDCTL_CSD1_SEL, true); + + /* enable pin */ + mxc_iomux_mode(IOMUX_MODE(MX31_PIN_NFCE_B, IOMUX_CONFIG_GPIO)); + if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_NFCE_B), "nand_enable")) + gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_NFCE_B), 0); + + /* ready/busy pin */ + mxc_iomux_mode(IOMUX_MODE(MX31_PIN_NFRB, IOMUX_CONFIG_GPIO)); + if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_NFRB), "nand_rdy")) + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_NFRB)); + + /* write protect pin */ + mxc_iomux_mode(IOMUX_MODE(MX31_PIN_NFWP_B, IOMUX_CONFIG_GPIO)); + if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_NFWP_B), "nand_wp")) + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_NFWP_B)); + + platform_device_register(&qong_nand_device); +} + +static void __init qong_init_fpga(void) +{ + void __iomem *regs; + u32 fpga_ver; + + regs = ioremap(QONG_FPGA_CTRL_BASEADDR, QONG_FPGA_CTRL_SIZE); + if (!regs) { + printk(KERN_ERR "%s: failed to map registers, aborting.\n", + __func__); + return; + } + + fpga_ver = readl(regs + QONG_FPGA_CTRL_VERSION); + iounmap(regs); + printk(KERN_INFO "Qong FPGA version %d.%d.%d\n", + (fpga_ver & 0xF000) >> 12, + (fpga_ver & 0x0F00) >> 8, fpga_ver & 0x00FF); + if (fpga_ver < QONG_FPGA_VERSION(0, 8, 7)) { + printk(KERN_ERR "qong: Unexpected FPGA version, FPGA-based " + "devices won't be registered!\n"); + return; + } + + /* register FPGA-based devices */ + qong_init_nand_mtd(); + qong_init_dnet(); +} + +/* + * This structure defines the MX31 memory map. + */ +static struct map_desc qong_io_desc[] __initdata = { + { + .virtual = AIPS1_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), + .length = AIPS1_SIZE, + .type = MT_DEVICE_NONSHARED + }, { + .virtual = AIPS2_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), + .length = AIPS2_SIZE, + .type = MT_DEVICE_NONSHARED + } +}; + +/* + * Set up static virtual mappings. + */ +static void __init qong_map_io(void) +{ + mxc_map_io(); + iotable_init(qong_io_desc, ARRAY_SIZE(qong_io_desc)); +} + +/* + * Board specific initialization. + */ +static void __init mxc_board_init(void) +{ + mxc_init_imx_uart(); + qong_init_nor_mtd(); + qong_init_fpga(); +} + +static void __init qong_timer_init(void) +{ + mx31_clocks_init(26000000); +} + +static struct sys_timer qong_timer = { + .init = qong_timer_init, +}; + +/* + * The following uses standard kernel macros defined in arch.h in order to + * initialize __mach_desc_QONG data structure. + */ + +MACHINE_START(QONG, "Dave/DENX QongEVB-LITE") + /* Maintainer: DENX Software Engineering GmbH */ + .phys_io = AIPS1_BASE_ADDR, + .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = PHYS_OFFSET + 0x100, + .map_io = qong_map_io, + .init_irq = mxc_init_irq, + .init_machine = mxc_board_init, + .timer = &qong_timer, +MACHINE_END |
