diff options
| -rw-r--r-- | arch/arm/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/Makefile.boot | 3 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/clock.c | 219 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/devices.c | 402 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/devices.h | 19 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/mm.c | 76 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/gpio.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/common.h | 3 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/debug-macro.S | 9 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/hardware.h | 4 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/irqs.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/memory.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mx25.h | 44 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc.h | 13 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/timex.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/uncompress.h | 1 |
19 files changed, 816 insertions, 1 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile index c877d6df23d1..95ba3c5ca14d 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -135,6 +135,7 @@ machine-$(CONFIG_ARCH_MSM) := msm machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 machine-$(CONFIG_ARCH_MX1) := mx1 machine-$(CONFIG_ARCH_MX2) := mx2 +machine-$(CONFIG_ARCH_MX25) := mx25 machine-$(CONFIG_ARCH_MX3) := mx3 machine-$(CONFIG_ARCH_NETX) := netx machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx diff --git a/arch/arm/mach-mx25/Kconfig b/arch/arm/mach-mx25/Kconfig new file mode 100644 index 000000000000..14c918bad52a --- /dev/null +++ b/arch/arm/mach-mx25/Kconfig @@ -0,0 +1,5 @@ +if ARCH_MX25 + +comment "MX25 platforms:" + +endif diff --git a/arch/arm/mach-mx25/Makefile b/arch/arm/mach-mx25/Makefile new file mode 100644 index 000000000000..5471086d5e13 --- /dev/null +++ b/arch/arm/mach-mx25/Makefile @@ -0,0 +1,2 @@ +obj-y := mm.o devices.o +obj-$(CONFIG_ARCH_MX25) += clock.o diff --git a/arch/arm/mach-mx25/Makefile.boot b/arch/arm/mach-mx25/Makefile.boot new file mode 100644 index 000000000000..e1dd366f836b --- /dev/null +++ b/arch/arm/mach-mx25/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x80008000 +params_phys-y := 0x80000100 +initrd_phys-y := 0x80800000 diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c new file mode 100644 index 000000000000..ef26951a5275 --- /dev/null +++ b/arch/arm/mach-mx25/clock.c @@ -0,0 +1,219 @@ +/* + * 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> +#include <mach/mx25.h> + +#define CRM_BASE MX25_IO_ADDRESS(MX25_CRM_BASE_ADDR) + +#define CCM_MPCTL 0x00 +#define CCM_UPCTL 0x04 +#define CCM_CCTL 0x08 +#define CCM_CGCR0 0x0C +#define CCM_CGCR1 0x10 +#define CCM_CGCR2 0x14 +#define CCM_PCDR0 0x18 +#define CCM_PCDR1 0x1C +#define CCM_PCDR2 0x20 +#define CCM_PCDR3 0x24 +#define CCM_RCSR 0x28 +#define CCM_CRDR 0x2C +#define CCM_DCVR0 0x30 +#define CCM_DCVR1 0x34 +#define CCM_DCVR2 0x38 +#define CCM_DCVR3 0x3c +#define CCM_LTR0 0x40 +#define CCM_LTR1 0x44 +#define CCM_LTR2 0x48 +#define CCM_LTR3 0x4c + +static unsigned long get_rate_mpll(void) +{ + ulong mpctl = __raw_readl(CRM_BASE + CCM_MPCTL); + + return mxc_decode_pll(mpctl, 24000000); +} + +static unsigned long get_rate_upll(void) +{ + ulong mpctl = __raw_readl(CRM_BASE + CCM_UPCTL); + + return mxc_decode_pll(mpctl, 24000000); +} + +unsigned long get_rate_arm(struct clk *clk) +{ + unsigned long cctl = readl(CRM_BASE + CCM_CCTL); + unsigned long rate = get_rate_mpll(); + + if (cctl & (1 << 14)) + rate = (rate * 3) >> 1; + + return rate / ((cctl >> 30) + 1); +} + +static unsigned long get_rate_ahb(struct clk *clk) +{ + unsigned long cctl = readl(CRM_BASE + CCM_CCTL); + + return get_rate_arm(NULL) / (((cctl >> 28) & 0x3) + 1); +} + +static unsigned long get_rate_ipg(struct clk *clk) +{ + return get_rate_ahb(NULL) >> 1; +} + +static unsigned long get_rate_per(int per) +{ + unsigned long ofs = (per & 0x3) * 8; + unsigned long reg = per & ~0x3; + unsigned long val = (readl(CRM_BASE + CCM_PCDR0 + reg) >> ofs) & 0x3f; + unsigned long fref; + + if (readl(CRM_BASE + 0x64) & (1 << per)) + fref = get_rate_upll(); + else + fref = get_rate_ipg(NULL); + + return fref / (val + 1); +} + +static unsigned long get_rate_uart(struct clk *clk) +{ + return get_rate_per(15); +} + +static unsigned long get_rate_i2c(struct clk *clk) +{ + return get_rate_per(6); +} + +static unsigned long get_rate_nfc(struct clk *clk) +{ + return get_rate_per(8); +} + +static unsigned long get_rate_otg(struct clk *clk) +{ + return 48000000; /* FIXME */ +} + +static int clk_cgcr_enable(struct clk *clk) +{ + u32 reg; + + reg = __raw_readl(clk->enable_reg); + reg |= 1 << clk->enable_shift; + __raw_writel(reg, clk->enable_reg); + + return 0; +} + +static void clk_cgcr_disable(struct clk *clk) +{ + u32 reg; + + reg = __raw_readl(clk->enable_reg); + reg &= ~(1 << 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 = CRM_BASE + er, \ + .enable_shift = es, \ + .get_rate = gr, \ + .set_rate = sr, \ + .enable = clk_cgcr_enable, \ + .disable = clk_cgcr_disable, \ + } + +DEFINE_CLOCK(gpt_clk, 0, CCM_CGCR0, 5, get_rate_ipg, NULL); +DEFINE_CLOCK(cspi1_clk, 0, CCM_CGCR1, 5, get_rate_ipg, NULL); +DEFINE_CLOCK(cspi2_clk, 0, CCM_CGCR1, 6, get_rate_ipg, NULL); +DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL); +DEFINE_CLOCK(uart1_clk, 0, CCM_CGCR2, 14, get_rate_uart, NULL); +DEFINE_CLOCK(uart2_clk, 0, CCM_CGCR2, 15, get_rate_uart, NULL); +DEFINE_CLOCK(uart3_clk, 0, CCM_CGCR2, 16, get_rate_uart, NULL); +DEFINE_CLOCK(uart4_clk, 0, CCM_CGCR2, 17, get_rate_uart, NULL); +DEFINE_CLOCK(uart5_clk, 0, CCM_CGCR2, 18, get_rate_uart, NULL); +DEFINE_CLOCK(nfc_clk, 0, CCM_CGCR0, 8, get_rate_nfc, NULL); +DEFINE_CLOCK(usbotg_clk, 0, CCM_CGCR0, 28, get_rate_otg, NULL); +DEFINE_CLOCK(pwm1_clk, 0, CCM_CGCR1, 31, get_rate_ipg, NULL); +DEFINE_CLOCK(pwm2_clk, 0, CCM_CGCR2, 0, get_rate_ipg, NULL); +DEFINE_CLOCK(pwm3_clk, 0, CCM_CGCR2, 1, get_rate_ipg, NULL); +DEFINE_CLOCK(pwm4_clk, 0, CCM_CGCR2, 2, get_rate_ipg, NULL); +DEFINE_CLOCK(kpp_clk, 0, CCM_CGCR1, 28, get_rate_ipg, NULL); +DEFINE_CLOCK(tsc_clk, 0, CCM_CGCR2, 13, get_rate_ipg, NULL); +DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL); + +#define _REGISTER_CLOCK(d, n, c) \ + { \ + .dev_id = d, \ + .con_id = n, \ + .clk = &c, \ + }, + +static struct clk_lookup lookups[] = { + _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("mxc-ehci.0", "usb", usbotg_clk) + _REGISTER_CLOCK("mxc-ehci.1", "usb", usbotg_clk) + _REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk) + _REGISTER_CLOCK("fsl-usb2-udc", "usb", usbotg_clk) + _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) + _REGISTER_CLOCK("spi_imx.0", NULL, cspi1_clk) + _REGISTER_CLOCK("spi_imx.1", NULL, cspi2_clk) + _REGISTER_CLOCK("spi_imx.2", NULL, cspi3_clk) + _REGISTER_CLOCK("mxc_pwm.0", NULL, pwm1_clk) + _REGISTER_CLOCK("mxc_pwm.1", NULL, pwm2_clk) + _REGISTER_CLOCK("mxc_pwm.2", NULL, pwm3_clk) + _REGISTER_CLOCK("mxc_pwm.3", NULL, pwm4_clk) + _REGISTER_CLOCK("mxc-keypad", NULL, kpp_clk) + _REGISTER_CLOCK("mx25-adc", NULL, tsc_clk) + _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) + _REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk) + _REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk) +}; + +int __init mx25_clocks_init(unsigned long fref) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(lookups); i++) + clkdev_add(&lookups[i]); + + mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54); + + return 0; +} diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c new file mode 100644 index 000000000000..eb12de1da42d --- /dev/null +++ b/arch/arm/mach-mx25/devices.c @@ -0,0 +1,402 @@ +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <mach/mx25.h> +#include <mach/irqs.h> + +static struct resource uart0[] = { + { + .start = 0x43f90000, + .end = 0x43f93fff, + .flags = IORESOURCE_MEM, + }, { + .start = 45, + .end = 45, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_uart_device0 = { + .name = "imx-uart", + .id = 0, + .resource = uart0, + .num_resources = ARRAY_SIZE(uart0), +}; + +static struct resource uart1[] = { + { + .start = 0x43f94000, + .end = 0x43f97fff, + .flags = IORESOURCE_MEM, + }, { + .start = 32, + .end = 32, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_uart_device1 = { + .name = "imx-uart", + .id = 1, + .resource = uart1, + .num_resources = ARRAY_SIZE(uart1), +}; + +static struct resource uart2[] = { + { + .start = 0x5000c000, + .end = 0x5000ffff, + .flags = IORESOURCE_MEM, + }, { + .start = 18, + .end = 18, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_uart_device2 = { + .name = "imx-uart", + .id = 2, + .resource = uart2, + .num_resources = ARRAY_SIZE(uart2), +}; + +static struct resource uart3[] = { + { + .start = 0x50008000, + .end = 0x5000bfff, + .flags = IORESOURCE_MEM, + }, { + .start = 5, + .end = 5, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_uart_device3 = { + .name = "imx-uart", + .id = 3, + .resource = uart3, + .num_resources = ARRAY_SIZE(uart3), +}; + +static struct resource uart4[] = { + { + .start = 0x5002c000, + .end = 0x5002ffff, + .flags = IORESOURCE_MEM, + }, { + .start = 40, + .end = 40, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_uart_device4 = { + .name = "imx-uart", + .id = 4, + .resource = uart4, + .num_resources = ARRAY_SIZE(uart4), +}; + +#define MX25_OTG_BASE_ADDR 0x53FF4000 + +static u64 otg_dmamask = DMA_BIT_MASK(32); + +static struct resource mxc_otg_resources[] = { + { + .start = MX25_OTG_BASE_ADDR, + .end = MX25_OTG_BASE_ADDR + 0x1ff, + .flags = IORESOURCE_MEM, + }, { + .start = 37, + .end = 37, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_otg = { + .name = "mxc-ehci", + .id = 0, + .dev = { + .coherent_dma_mask = 0xffffffff, + .dma_mask = &otg_dmamask, + }, + .resource = mxc_otg_resources, + .num_resources = ARRAY_SIZE(mxc_otg_resources), +}; + +/* OTG gadget device */ +struct platform_device otg_udc_device = { + .name = "fsl-usb2-udc", + .id = -1, + .dev = { + .dma_mask = &otg_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .resource = mxc_otg_resources, + .num_resources = ARRAY_SIZE(mxc_otg_resources), +}; + +static u64 usbh2_dmamask = DMA_BIT_MASK(32); + +static struct resource mxc_usbh2_resources[] = { + { + .start = MX25_OTG_BASE_ADDR + 0x400, + .end = MX25_OTG_BASE_ADDR + 0x5ff, + .flags = IORESOURCE_MEM, + }, { + .start = 35, + .end = 35, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_usbh2 = { + .name = "mxc-ehci", + .id = 1, + .dev = { + .coherent_dma_mask = 0xffffffff, + .dma_mask = &usbh2_dmamask, + }, + .resource = mxc_usbh2_resources, + .num_resources = ARRAY_SIZE(mxc_usbh2_resources), +}; + +static struct resource mxc_spi_resources0[] = { + { + .start = 0x43fa4000, + .end = 0x43fa7fff, + .flags = IORESOURCE_MEM, + }, { + .start = 14, + .end = 14, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_spi_device0 = { + .name = "spi_imx", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_spi_resources0), + .resource = mxc_spi_resources0, +}; + +static struct resource mxc_spi_resources1[] = { + { + .start = 0x50010000, + .end = 0x50013fff, + .flags = IORESOURCE_MEM, + }, { + .start = 13, + .end = 13, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_spi_device1 = { + .name = "spi_imx", + .id = 1, + .num_resources = ARRAY_SIZE(mxc_spi_resources1), + .resource = mxc_spi_resources1, +}; + +static struct resource mxc_spi_resources2[] = { + { + .start = 0x50004000, + .end = 0x50007fff, + .flags = IORESOURCE_MEM, + }, { + .start = 0, + .end = 0, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mxc_spi_device2 = { + .name = "spi_imx", + .id = 2, + .num_resources = ARRAY_SIZE(mxc_spi_resources2), + .resource = mxc_spi_resources2, +}; + +static struct resource mxc_pwm_resources0[] = { + { + .start = 0x53fe0000, + .end = 0x53fe3fff, + .flags = IORESOURCE_MEM, + }, { + .start = 26, + .end = 26, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device mxc_pwm_device0 = { + .name = "mxc_pwm", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_pwm_resources0), + .resource = mxc_pwm_resources0, +}; + +static struct resource mxc_pwm_resources1[] = { + { + .start = 0x53fa0000, + .end = 0x53fa3fff, + .flags = IORESOURCE_MEM, + }, { + .start = 36, + .end = 36, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device mxc_pwm_device1 = { + .name = "mxc_pwm", + .id = 1, + .num_resources = ARRAY_SIZE(mxc_pwm_resources1), + .resource = mxc_pwm_resources1, +}; + +static struct resource mxc_pwm_resources2[] = { + { + .start = 0x53fa8000, + .end = 0x53fabfff, + .flags = IORESOURCE_MEM, + }, { + .start = 41, + .end = 41, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device mxc_pwm_device2 = { + .name = "mxc_pwm", + .id = 2, + .num_resources = ARRAY_SIZE(mxc_pwm_resources2), + .resource = mxc_pwm_resources2, +}; + +static struct resource mxc_keypad_resources[] = { + { + .start = 0x43fa8000, + .end = 0x43fabfff, + .flags = IORESOURCE_MEM, + }, { + .start = 24, + .end = 24, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device mxc_keypad_device = { + .name = "mxc-keypad", + .id = -1, + .num_resources = ARRAY_SIZE(mxc_keypad_resources), + .resource = mxc_keypad_resources, +}; + +static struct resource mxc_pwm_resources3[] = { + { + .start = 0x53fc8000, + .end = 0x53fcbfff, + .flags = IORESOURCE_MEM, + }, { + .start = 42, + .end = 42, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device mxc_pwm_device3 = { + .name = "mxc_pwm", + .id = 3, + .num_resources = ARRAY_SIZE(mxc_pwm_resources3), + .resource = mxc_pwm_resources3, +}; + +static struct resource mxc_i2c_1_resources[] = { + { + .start = 0x43f80000, + .end = 0x43f83fff, + .flags = IORESOURCE_MEM, + }, { + .start = 3, + .end = 3, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device mxc_i2c_device0 = { + .name = "imx-i2c", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_i2c_1_resources), + .resource = mxc_i2c_1_resources, +}; + +static struct resource mxc_i2c_2_resources[] = { + { + .start = 0x43f98000, + .end = 0x43f9bfff, + .flags = IORESOURCE_MEM, + }, { + .start = 4, + .end = 4, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device mxc_i2c_device1 = { + .name = "imx-i2c", + .id = 1, + .num_resources = ARRAY_SIZE(mxc_i2c_2_resources), + .resource = mxc_i2c_2_resources, +}; + +static struct resource mxc_i2c_3_resources[] = { + { + .start = 0x43f84000, + .end = 0x43f87fff, + .flags = IORESOURCE_MEM, + }, { + .start = 10, + .end = 10, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device mxc_i2c_device2 = { + .name = "imx-i2c", + .id = 2, + .num_resources = ARRAY_SIZE(mxc_i2c_3_resources), + .resource = mxc_i2c_3_resources, +}; + +static struct mxc_gpio_port imx_gpio_ports[] = { + { + .chip.label = "gpio-0", + .base = (void __iomem *)MX25_GPIO1_BASE_ADDR_VIRT, + .irq = 52, + .virtual_irq_start = MXC_GPIO_IRQ_START, + }, { + .chip.label = "gpio-1", + .base = (void __iomem *)MX25_GPIO2_BASE_ADDR_VIRT, + .irq = 51, + .virtual_irq_start = MXC_GPIO_IRQ_START + 32, + }, { + .chip.label = "gpio-2", + .base = (void __iomem *)MX25_GPIO3_BASE_ADDR_VIRT, + .irq = 16, + .virtual_irq_start = MXC_GPIO_IRQ_START + 64, + }, { + .chip.label = "gpio-3", + .base = (void __iomem *)MX25_GPIO4_BASE_ADDR_VIRT, + .irq = 23, + .virtual_irq_start = MXC_GPIO_IRQ_START + 96, + } +}; + +int __init mxc_register_gpios(void) +{ + return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports)); +} + diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h new file mode 100644 index 000000000000..fe6bf88ad1dd --- /dev/null +++ b/arch/arm/mach-mx25/devices.h @@ -0,0 +1,19 @@ +extern struct platform_device mxc_uart_device0; +extern struct platform_device mxc_uart_device1; +extern struct platform_device mxc_uart_device2; +extern struct platform_device mxc_uart_device3; +extern struct platform_device mxc_uart_device4; +extern struct platform_device mxc_otg; +extern struct platform_device otg_udc_device; +extern struct platform_device mxc_usbh2; +extern struct platform_device mxc_spi_device0; +extern struct platform_device mxc_spi_device1; +extern struct platform_device mxc_spi_device2; +extern struct platform_device mxc_pwm_device0; +extern struct platform_device mxc_pwm_device1; +extern struct platform_device mxc_pwm_device2; +extern struct platform_device mxc_pwm_device3; +extern struct platform_device mxc_keypad_device; +extern struct platform_device mxc_i2c_device0; +extern struct platform_device mxc_i2c_device1; +extern struct platform_device mxc_i2c_device2; diff --git a/arch/arm/mach-mx25/mm.c b/arch/arm/mach-mx25/mm.c new file mode 100644 index 000000000000..a7e587ff3e9e --- /dev/null +++ b/arch/arm/mach-mx25/mm.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) 1999,2000 Arm Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * Copyright (C) 2002 Shane Nay (shane@minirl.com) + * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * - add MX31 specific definitions + * + * 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/mm.h> +#include <linux/init.h> +#include <linux/err.h> + +#include <asm/pgtable.h> +#include <asm/mach/map.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/mx25.h> +#include <mach/iomux-v3.h> + +/* + * This table defines static virtual address mappings for I/O regions. + * These are the mappings common across all MX3 boards. + */ +static struct map_desc mxc_io_desc[] __initdata = { + { + .virtual = MX25_AVIC_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX25_AVIC_BASE_ADDR), + .length = MX25_AVIC_SIZE, + .type = MT_DEVICE_NONSHARED + }, { + .virtual = MX25_AIPS1_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX25_AIPS1_BASE_ADDR), + .length = MX25_AIPS1_SIZE, + .type = MT_DEVICE_NONSHARED + }, { + .virtual = MX25_AIPS2_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX25_AIPS2_BASE_ADDR), + .length = MX25_AIPS2_SIZE, + .type = MT_DEVICE_NONSHARED + }, +}; + +/* + * This function initializes the memory map. It is called during the + * system startup to create static physical to virtual memory mappings + * for the IO modules. + */ +void __init mx25_map_io(void) +{ + mxc_set_cpu_type(MXC_CPU_MX25); + mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR)); + mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); + + iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); +} + +void __init mx25_init_irq(void) +{ + mxc_init_irq((void __iomem *)MX25_AVIC_BASE_ADDR_VIRT); +} + diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index 0617c19f85cb..e342a2e61601 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -20,6 +20,13 @@ config ARCH_MX2 help This enables support for systems based on the Freescale i.MX2 family +config ARCH_MX25 + bool "MX25-based" + select CPU_ARM926T + select COMMON_CLKDEV + help + This enables support for systems based on the Freescale i.MX25 family + config ARCH_MX3 bool "MX3-based" select CPU_V6 @@ -32,6 +39,7 @@ endchoice source "arch/arm/mach-mx1/Kconfig" source "arch/arm/mach-mx2/Kconfig" source "arch/arm/mach-mx3/Kconfig" +source "arch/arm/mach-mx25/Kconfig" endmenu diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c index f0315edb3eb9..cfc4a8b43e6a 100644 --- a/arch/arm/plat-mxc/gpio.c +++ b/arch/arm/plat-mxc/gpio.c @@ -297,7 +297,7 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt) /* its a serious configuration bug when it fails */ BUG_ON( gpiochip_add(&port[i].chip) < 0 ); - if (cpu_is_mx1() || cpu_is_mx3()) { + if (cpu_is_mx1() || cpu_is_mx3() || cpu_is_mx25()) { /* setup one handler for each entry */ set_irq_chained_handler(port[i].irq, mx3_gpio_irq_handler); set_irq_data(port[i].irq, &port[i]); diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index cd8f215c1ad2..4e7af7412396 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -16,18 +16,21 @@ struct clk; extern void mx1_map_io(void); extern void mx21_map_io(void); +extern void mx25_map_io(void); extern void mx27_map_io(void); extern void mx31_map_io(void); extern void mx35_map_io(void); extern void mxc_init_irq(void __iomem *); extern void mx1_init_irq(void); extern void mx21_init_irq(void); +extern void mx25_init_irq(void); extern void mx27_init_irq(void); extern void mx31_init_irq(void); extern void mx35_init_irq(void); extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int); extern int mx1_clocks_init(unsigned long fref); extern int mx21_clocks_init(unsigned long lref, unsigned long fref); +extern int mx25_clocks_init(unsigned long fref); extern int mx27_clocks_init(unsigned long fref); extern int mx31_clocks_init(unsigned long fref); extern int mx35_clocks_init(void); diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S index 4f85acd74afe..bf683de56b76 100644 --- a/arch/arm/plat-mxc/include/mach/debug-macro.S +++ b/arch/arm/plat-mxc/include/mach/debug-macro.S @@ -17,6 +17,15 @@ #define UART_VADDR IO_ADDRESS(UART1_BASE_ADDR) #endif +#ifdef CONFIG_ARCH_MX25 +#ifdef UART_PADDR +#error "CONFIG_DEBUG_LL is incompatible with multiple archs" +#endif +#include <mach/mx25.h> +#define UART_PADDR UART1_BASE_ADDR +#define UART_VADDR MX25_AIPS1_IO_ADDRESS(UART1_BASE_ADDR) +#endif + #ifdef CONFIG_ARCH_MX2 #ifdef UART_PADDR #error "CONFIG_DEBUG_LL is incompatible with multiple archs" diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h index 42e4ee37ca1f..569af3239c3c 100644 --- a/arch/arm/plat-mxc/include/mach/hardware.h +++ b/arch/arm/plat-mxc/include/mach/hardware.h @@ -42,6 +42,10 @@ # include <mach/mx1.h> #endif +#ifdef CONFIG_ARCH_MX25 +# include <mach/mx25.h> +#endif + #include <mach/mxc.h> #endif /* __ASM_ARCH_MXC_HARDWARE_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h index 518a36504b88..f39e016c1cc5 100644 --- a/arch/arm/plat-mxc/include/mach/irqs.h +++ b/arch/arm/plat-mxc/include/mach/irqs.h @@ -24,6 +24,8 @@ #define MXC_GPIO_IRQS (32 * 6) #elif defined CONFIG_ARCH_MX3 #define MXC_GPIO_IRQS (32 * 3) +#elif defined CONFIG_ARCH_MX25 +#define MXC_GPIO_IRQS (32 * 4) #endif /* diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h index 6065e00176ed..42db73941118 100644 --- a/arch/arm/plat-mxc/include/mach/memory.h +++ b/arch/arm/plat-mxc/include/mach/memory.h @@ -22,6 +22,8 @@ #endif #elif defined CONFIG_ARCH_MX3 #define PHYS_OFFSET UL(0x80000000) +#elif defined CONFIG_ARCH_MX25 +#define PHYS_OFFSET UL(0x80000000) #endif #if defined(CONFIG_MX1_VIDEO) diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h new file mode 100644 index 000000000000..ec64bd9a8ab1 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/mx25.h @@ -0,0 +1,44 @@ +#ifndef __MACH_MX25_H__ +#define __MACH_MX25_H__ + +#define MX25_AIPS1_BASE_ADDR 0x43F00000 +#define MX25_AIPS1_BASE_ADDR_VIRT 0xFC000000 +#define MX25_AIPS1_SIZE SZ_1M +#define MX25_AIPS2_BASE_ADDR 0x53F00000 +#define MX25_AIPS2_BASE_ADDR_VIRT 0xFC200000 +#define MX25_AIPS2_SIZE SZ_1M +#define MX25_AVIC_BASE_ADDR 0x68000000 +#define MX25_AVIC_BASE_ADDR_VIRT 0xFC400000 +#define MX25_AVIC_SIZE SZ_1M + +#define MX25_IOMUXC_BASE_ADDR (MX25_AIPS1_BASE_ADDR + 0xac000) + +#define MX25_CRM_BASE_ADDR (MX25_AIPS2_BASE_ADDR + 0x80000) +#define MX25_GPT1_BASE_ADDR (MX25_AIPS2_BASE_ADDR + 0x90000) +#define MX25_WDOG_BASE_ADDR (MX25_AIPS2_BASE_ADDR + 0xdc000) + +#define MX25_GPIO1_BASE_ADDR_VIRT (MX25_AIPS2_BASE_ADDR_VIRT + 0xcc000) +#define MX25_GPIO2_BASE_ADDR_VIRT (MX25_AIPS2_BASE_ADDR_VIRT + 0xd0000) +#define MX25_GPIO3_BASE_ADDR_VIRT (MX25_AIPS2_BASE_ADDR_VIRT + 0xa4000) +#define MX25_GPIO4_BASE_ADDR_VIRT (MX25_AIPS2_BASE_ADDR_VIRT + 0x9c000) + +#define MX25_AIPS1_IO_ADDRESS(x) \ + (((x) - MX25_AIPS1_BASE_ADDR) + MX25_AIPS1_BASE_ADDR_VIRT) +#define MX25_AIPS2_IO_ADDRESS(x) \ + (((x) - MX25_AIPS2_BASE_ADDR) + MX25_AIPS2_BASE_ADDR_VIRT) +#define MX25_AVIC_IO_ADDRESS(x) \ + (((x) - MX25_AVIC_BASE_ADDR) + MX25_AVIC_BASE_ADDR_VIRT) + +#define __in_range(addr, name) ((addr) >= name##_BASE_ADDR && (addr) < name##_BASE_ADDR + name##_SIZE) + +#define MX25_IO_ADDRESS(x) \ + (void __force __iomem *) \ + (__in_range(x, MX25_AIPS1) ? MX25_AIPS1_IO_ADDRESS(x) : \ + __in_range(x, MX25_AIPS2) ? MX25_AIPS2_IO_ADDRESS(x) : \ + __in_range(x, MX25_AVIC) ? MX25_AVIC_IO_ADDRESS(x) : \ + 0xDEADBEEF) + +#define UART1_BASE_ADDR 0x43f90000 +#define UART2_BASE_ADDR 0x43f94000 + +#endif /* __MACH_MX25_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h index 5fa2a07f4eaf..882b816729bd 100644 --- a/arch/arm/plat-mxc/include/mach/mxc.h +++ b/arch/arm/plat-mxc/include/mach/mxc.h @@ -26,6 +26,7 @@ #define MXC_CPU_MX1 1 #define MXC_CPU_MX21 21 +#define MXC_CPU_MX25 25 #define MXC_CPU_MX27 27 #define MXC_CPU_MX31 31 #define MXC_CPU_MX35 35 @@ -58,6 +59,18 @@ extern unsigned int __mxc_cpu_type; # define cpu_is_mx21() (0) #endif +#ifdef CONFIG_ARCH_MX25 +# ifdef mxc_cpu_type +# undef mxc_cpu_type +# define mxc_cpu_type __mxc_cpu_type +# else +# define mxc_cpu_type MXC_CPU_MX25 +# endif +# define cpu_is_mx25() (mxc_cpu_type == MXC_CPU_MX25) +#else +# define cpu_is_mx25() (0) +#endif + #ifdef CONFIG_MACH_MX27 # ifdef mxc_cpu_type # undef mxc_cpu_type diff --git a/arch/arm/plat-mxc/include/mach/timex.h b/arch/arm/plat-mxc/include/mach/timex.h index 07b4a73c9d2f..0707b7d5b5ce 100644 --- a/arch/arm/plat-mxc/include/mach/timex.h +++ b/arch/arm/plat-mxc/include/mach/timex.h @@ -26,6 +26,8 @@ #define CLOCK_TICK_RATE 13300000 #elif defined CONFIG_ARCH_MX3 #define CLOCK_TICK_RATE 16625000 +#elif defined CONFIG_ARCH_MX25 +#define CLOCK_TICK_RATE 16000000 #endif #endif /* __ASM_ARCH_MXC_TIMEX_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h index 98c8a60214d6..b6650e705e31 100644 --- a/arch/arm/plat-mxc/include/mach/uncompress.h +++ b/arch/arm/plat-mxc/include/mach/uncompress.h @@ -63,6 +63,7 @@ static void putc(int ch) #define flush() do { } while (0) #define MX1_UART1_BASE_ADDR 0x00206000 +#define MX25_UART1_BASE_ADDR 0x43f90000 #define MX2X_UART1_BASE_ADDR 0x1000a000 #define MX3X_UART1_BASE_ADDR 0x43F90000 |
