diff options
Diffstat (limited to 'cpu/at32ap')
| -rw-r--r-- | cpu/at32ap/Makefile | 2 | ||||
| -rw-r--r-- | cpu/at32ap/at32ap7000/Makefile | 2 | ||||
| -rw-r--r-- | cpu/at32ap/at32ap7000/devices.c | 448 | ||||
| -rw-r--r-- | cpu/at32ap/at32ap7000/gpio.c | 77 | ||||
| -rw-r--r-- | cpu/at32ap/at32ap7000/hebi.c | 38 | ||||
| -rw-r--r-- | cpu/at32ap/cpu.c | 64 | ||||
| -rw-r--r-- | cpu/at32ap/device.c | 126 | ||||
| -rw-r--r-- | cpu/at32ap/hsdramc.c | 43 | ||||
| -rw-r--r-- | cpu/at32ap/hsdramc1.h | 8 | ||||
| -rw-r--r-- | cpu/at32ap/hsmc3.h | 8 | ||||
| -rw-r--r-- | cpu/at32ap/interrupts.c | 11 | ||||
| -rw-r--r-- | cpu/at32ap/pio.c | 90 | ||||
| -rw-r--r-- | cpu/at32ap/pio2.h | 8 | ||||
| -rw-r--r-- | cpu/at32ap/pm.c | 127 | ||||
| -rw-r--r-- | cpu/at32ap/sm.h | 8 |
15 files changed, 198 insertions, 862 deletions
diff --git a/cpu/at32ap/Makefile b/cpu/at32ap/Makefile index f62ec8bc9..3f1bb07b3 100644 --- a/cpu/at32ap/Makefile +++ b/cpu/at32ap/Makefile @@ -30,7 +30,7 @@ LIB := $(obj)lib$(CPU).a START := start.o SOBJS := entry.o COBJS := cpu.o hsdramc.o exception.o cache.o -COBJS += interrupts.o device.o pm.o pio.o +COBJS += interrupts.o pio.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) START := $(addprefix $(obj),$(START)) diff --git a/cpu/at32ap/at32ap7000/Makefile b/cpu/at32ap/at32ap7000/Makefile index 2ed74d250..d27671211 100644 --- a/cpu/at32ap/at32ap7000/Makefile +++ b/cpu/at32ap/at32ap7000/Makefile @@ -24,7 +24,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)lib$(SOC).a -COBJS := hebi.o devices.o +COBJS := gpio.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/at32ap/at32ap7000/devices.c b/cpu/at32ap/at32ap7000/devices.c deleted file mode 100644 index 8b216e906..000000000 --- a/cpu/at32ap/at32ap7000/devices.c +++ /dev/null @@ -1,448 +0,0 @@ -/* - * Copyright (C) 2006 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 <common.h> - -#include <asm/arch/memory-map.h> -#include <asm/arch/platform.h> - -#include "../sm.h" - -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) - -const struct clock_domain chip_clock[] = { - [CLOCK_CPU] = { - .reg = SM_PM_CPU_MASK, - .id = CLOCK_CPU, - .bridge = NO_DEVICE, - }, - [CLOCK_HSB] = { - .reg = SM_PM_HSB_MASK, - .id = CLOCK_HSB, - .bridge = NO_DEVICE, - }, - [CLOCK_PBA] = { - .reg = SM_PM_PBA_MASK, - .id = CLOCK_PBA, - .bridge = DEVICE_PBA_BRIDGE, - }, - [CLOCK_PBB] = { - .reg = SM_PM_PBB_MASK, - .id = CLOCK_PBB, - .bridge = DEVICE_PBB_BRIDGE, - }, -}; - -static const struct resource hebi_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_HSB, 0 }, - }, - }, { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBB, 13 }, - }, - }, { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBB, 14 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 27, DEVICE_PIOE, GPIO_FUNC_A, 0 }, - }, - }, -}; -static const struct resource pba_bridge_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_HSB, 1 }, - } - }, { - .type = RESOURCE_CLOCK, - .u = { - /* HSB-HSB Bridge */ - .clock = { CLOCK_HSB, 4 }, - }, - }, -}; -static const struct resource pbb_bridge_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_HSB, 2 }, - }, - }, -}; -static const struct resource hramc_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_HSB, 3 }, - }, - }, -}; -static const struct resource pioa_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 10 }, - }, - }, -}; -static const struct resource piob_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 11 }, - }, - }, -}; -static const struct resource pioc_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 12 }, - }, - }, -}; -static const struct resource piod_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 13 }, - }, - }, -}; -static const struct resource pioe_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 14 }, - }, - }, -}; -static const struct resource sm_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBB, 0 }, - }, - }, -}; -static const struct resource intc_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBB, 1 }, - }, - }, -}; -static const struct resource hmatrix_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBB, 2 }, - }, - }, -}; -#if defined(CFG_HPDC) -static const struct resource hpdc_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 16 }, - }, - }, -}; -#endif -#if defined(CFG_MACB0) -static const struct resource macb0_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_HSB, 8 }, - }, - }, { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBB, 6 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 19, DEVICE_PIOC, GPIO_FUNC_A, 0 }, - }, - }, -}; -#endif -#if defined(CFG_MACB1) -static const struct resource macb1_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_HSB, 9 }, - }, - }, { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBB, 7 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 12, DEVICE_PIOC, GPIO_FUNC_B, 19 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 14, DEVICE_PIOD, GPIO_FUNC_B, 2 }, - }, - }, -}; -#endif -#if defined(CFG_LCDC) -static const struct resource lcdc_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_HSB, 7 }, - }, - }, -}; -#endif -#if defined(CFG_USART0) -static const struct resource usart0_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 3 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 2, DEVICE_PIOA, GPIO_FUNC_B, 8 }, - }, - }, -}; -#endif -#if defined(CFG_USART1) -static const struct resource usart1_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 4 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 2, DEVICE_PIOA, GPIO_FUNC_A, 17 }, - }, - }, -}; -#endif -#if defined(CFG_USART2) -static const struct resource usart2_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 5 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 2, DEVICE_PIOB, GPIO_FUNC_B, 26 }, - }, - }, -}; -#endif -#if defined(CFG_USART3) -static const struct resource usart3_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBA, 6 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 2, DEVICE_PIOB, GPIO_FUNC_B, 17 }, - }, - }, -}; -#endif -#if defined(CFG_MMCI) -static const struct resource mmci_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_PBB, 9 }, - }, - }, { - .type = RESOURCE_GPIO, - .u = { - .gpio = { 6, DEVICE_PIOA, GPIO_FUNC_A, 10 }, - }, - }, -}; -#endif -#if defined(CFG_DMAC) -static const struct resource dmac_resource[] = { - { - .type = RESOURCE_CLOCK, - .u = { - .clock = { CLOCK_HSB, 10 }, - }, - }, -}; -#endif - -const struct device chip_device[] = { - [DEVICE_HEBI] = { - .regs = (void *)HSMC_BASE, - .nr_resources = ARRAY_SIZE(hebi_resource), - .resource = hebi_resource, - }, - [DEVICE_PBA_BRIDGE] = { - .nr_resources = ARRAY_SIZE(pba_bridge_resource), - .resource = pba_bridge_resource, - }, - [DEVICE_PBB_BRIDGE] = { - .nr_resources = ARRAY_SIZE(pbb_bridge_resource), - .resource = pbb_bridge_resource, - }, - [DEVICE_HRAMC] = { - .nr_resources = ARRAY_SIZE(hramc_resource), - .resource = hramc_resource, - }, - [DEVICE_PIOA] = { - .regs = (void *)PIOA_BASE, - .nr_resources = ARRAY_SIZE(pioa_resource), - .resource = pioa_resource, - }, - [DEVICE_PIOB] = { - .regs = (void *)PIOB_BASE, - .nr_resources = ARRAY_SIZE(piob_resource), - .resource = piob_resource, - }, - [DEVICE_PIOC] = { - .regs = (void *)PIOC_BASE, - .nr_resources = ARRAY_SIZE(pioc_resource), - .resource = pioc_resource, - }, - [DEVICE_PIOD] = { - .regs = (void *)PIOD_BASE, - .nr_resources = ARRAY_SIZE(piod_resource), - .resource = piod_resource, - }, - [DEVICE_PIOE] = { - .regs = (void *)PIOE_BASE, - .nr_resources = ARRAY_SIZE(pioe_resource), - .resource = pioe_resource, - }, - [DEVICE_SM] = { - .regs = (void *)SM_BASE, - .nr_resources = ARRAY_SIZE(sm_resource), - .resource = sm_resource, - }, - [DEVICE_INTC] = { - .regs = (void *)INTC_BASE, - .nr_resources = ARRAY_SIZE(intc_resource), - .resource = intc_resource, - }, - [DEVICE_HMATRIX] = { - .regs = (void *)HMATRIX_BASE, - .nr_resources = ARRAY_SIZE(hmatrix_resource), - .resource = hmatrix_resource, - }, -#if defined(CFG_HPDC) - [DEVICE_HPDC] = { - .nr_resources = ARRAY_SIZE(hpdc_resource), - .resource = hpdc_resource, - }, -#endif -#if defined(CFG_MACB0) - [DEVICE_MACB0] = { - .regs = (void *)MACB0_BASE, - .nr_resources = ARRAY_SIZE(macb0_resource), - .resource = macb0_resource, - }, -#endif -#if defined(CFG_MACB1) - [DEVICE_MACB1] = { - .regs = (void *)MACB1_BASE, - .nr_resources = ARRAY_SIZE(macb1_resource), - .resource = macb1_resource, - }, -#endif -#if defined(CFG_LCDC) - [DEVICE_LCDC] = { - .nr_resources = ARRAY_SIZE(lcdc_resource), - .resource = lcdc_resource, - }, -#endif -#if defined(CFG_USART0) - [DEVICE_USART0] = { - .regs = (void *)USART0_BASE, - .nr_resources = ARRAY_SIZE(usart0_resource), - .resource = usart0_resource, - }, -#endif -#if defined(CFG_USART1) - [DEVICE_USART1] = { - .regs = (void *)USART1_BASE, - .nr_resources = ARRAY_SIZE(usart1_resource), - .resource = usart1_resource, - }, -#endif -#if defined(CFG_USART2) - [DEVICE_USART2] = { - .regs = (void *)USART2_BASE, - .nr_resources = ARRAY_SIZE(usart2_resource), - .resource = usart2_resource, - }, -#endif -#if defined(CFG_USART3) - [DEVICE_USART3] = { - .regs = (void *)USART3_BASE, - .nr_resources = ARRAY_SIZE(usart3_resource), - .resource = usart3_resource, - }, -#endif -#if defined(CFG_MMCI) - [DEVICE_MMCI] = { - .regs = (void *)MMCI_BASE, - .nr_resources = ARRAY_SIZE(mmci_resource), - .resource = mmci_resource, - }, -#endif -#if defined(CFG_DMAC) - [DEVICE_DMAC] = { - .regs = (void *)DMAC_BASE, - .nr_resources = ARRAY_SIZE(dmac_resource), - .resource = dmac_resource, - }, -#endif -}; diff --git a/cpu/at32ap/at32ap7000/gpio.c b/cpu/at32ap/at32ap7000/gpio.c new file mode 100644 index 000000000..a5d3ea65d --- /dev/null +++ b/cpu/at32ap/at32ap7000/gpio.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <common.h> + +#include <asm/arch/gpio.h> + +/* + * Lots of small functions here. We depend on --gc-sections getting + * rid of the ones we don't need. + */ +void gpio_enable_ebi(void) +{ +#ifdef CFG_HSDRAMC +#ifndef CFG_SDRAM_16BIT + gpio_select_periph_A(GPIO_PIN_PE0, 0); + gpio_select_periph_A(GPIO_PIN_PE1, 0); + gpio_select_periph_A(GPIO_PIN_PE2, 0); + gpio_select_periph_A(GPIO_PIN_PE3, 0); + gpio_select_periph_A(GPIO_PIN_PE4, 0); + gpio_select_periph_A(GPIO_PIN_PE5, 0); + gpio_select_periph_A(GPIO_PIN_PE6, 0); + gpio_select_periph_A(GPIO_PIN_PE7, 0); + gpio_select_periph_A(GPIO_PIN_PE8, 0); + gpio_select_periph_A(GPIO_PIN_PE9, 0); + gpio_select_periph_A(GPIO_PIN_PE10, 0); + gpio_select_periph_A(GPIO_PIN_PE11, 0); + gpio_select_periph_A(GPIO_PIN_PE12, 0); + gpio_select_periph_A(GPIO_PIN_PE13, 0); + gpio_select_periph_A(GPIO_PIN_PE14, 0); + gpio_select_periph_A(GPIO_PIN_PE15, 0); +#endif + gpio_select_periph_A(GPIO_PIN_PE26, 0); +#endif +} + +void gpio_enable_usart0(void) +{ + gpio_select_periph_B(GPIO_PIN_PA8, 0); + gpio_select_periph_B(GPIO_PIN_PA9, 0); +} + +void gpio_enable_usart1(void) +{ + gpio_select_periph_A(GPIO_PIN_PA17, 0); + gpio_select_periph_A(GPIO_PIN_PA18, 0); +} + +void gpio_enable_usart2(void) +{ + gpio_select_periph_B(GPIO_PIN_PB26, 0); + gpio_select_periph_B(GPIO_PIN_PB27, 0); +} + +void gpio_enable_usart3(void) +{ + gpio_select_periph_B(GPIO_PIN_PB18, 0); + gpio_select_periph_B(GPIO_PIN_PB19, 0); +} diff --git a/cpu/at32ap/at32ap7000/hebi.c b/cpu/at32ap/at32ap7000/hebi.c deleted file mode 100644 index 3b32adf1e..000000000 --- a/cpu/at32ap/at32ap7000/hebi.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (C) 2006 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 <common.h> - -#include <asm/io.h> - -#include <asm/arch/hmatrix2.h> -#include <asm/arch/memory-map.h> -#include <asm/arch/platform.h> - -void cpu_enable_sdram(void) -{ - const struct device *hmatrix; - - hmatrix = get_device(DEVICE_HMATRIX); - - /* Set the SDRAM_ENABLE bit in the HEBI SFR */ - hmatrix2_writel(hmatrix, SFR4, 1 << 1); -} diff --git a/cpu/at32ap/cpu.c b/cpu/at32ap/cpu.c index 37e3ea040..311466b78 100644 --- a/cpu/at32ap/cpu.c +++ b/cpu/at32ap/cpu.c @@ -26,33 +26,79 @@ #include <asm/sections.h> #include <asm/sysreg.h> +#include <asm/arch/clk.h> #include <asm/arch/memory-map.h> -#include <asm/arch/platform.h> #include "hsmc3.h" +#include "sm.h" + +/* Sanity checks */ +#if (CFG_CLKDIV_CPU > CFG_CLKDIV_HSB) \ + || (CFG_CLKDIV_HSB > CFG_CLKDIV_PBA) \ + || (CFG_CLKDIV_HSB > CFG_CLKDIV_PBB) +# error Constraint fCPU >= fHSB >= fPB{A,B} violated +#endif +#if defined(CONFIG_PLL) && ((CFG_PLL0_MUL < 1) || (CFG_PLL0_DIV < 1)) +# error Invalid PLL multiplier and/or divider +#endif DECLARE_GLOBAL_DATA_PTR; +static void pm_init(void) +{ + uint32_t cksel; + +#ifdef CONFIG_PLL + /* Initialize the PLL */ + sm_writel(PM_PLL0, (SM_BF(PLLCOUNT, CFG_PLL0_SUPPRESS_CYCLES) + | SM_BF(PLLMUL, CFG_PLL0_MUL - 1) + | SM_BF(PLLDIV, CFG_PLL0_DIV - 1) + | SM_BF(PLLOPT, CFG_PLL0_OPT) + | SM_BF(PLLOSC, 0) + | SM_BIT(PLLEN))); + + /* Wait for lock */ + while (!(sm_readl(PM_ISR) & SM_BIT(LOCK0))) ; +#endif + + /* Set up clocks for the CPU and all peripheral buses */ + cksel = 0; + if (CFG_CLKDIV_CPU) + cksel |= SM_BIT(CPUDIV) | SM_BF(CPUSEL, CFG_CLKDIV_CPU - 1); + if (CFG_CLKDIV_HSB) + cksel |= SM_BIT(HSBDIV) | SM_BF(HSBSEL, CFG_CLKDIV_HSB - 1); + if (CFG_CLKDIV_PBA) + cksel |= SM_BIT(PBADIV) | SM_BF(PBASEL, CFG_CLKDIV_PBA - 1); + if (CFG_CLKDIV_PBB) + cksel |= SM_BIT(PBBDIV) | SM_BF(PBBSEL, CFG_CLKDIV_PBB - 1); + sm_writel(PM_CKSEL, cksel); + + gd->cpu_hz = get_cpu_clk_rate(); + +#ifdef CONFIG_PLL + /* Use PLL0 as main clock */ + sm_writel(PM_MCCTRL, SM_BIT(PLLSEL)); +#endif +} + int cpu_init(void) { - const struct device *hebi; extern void _evba(void); char *p; gd->cpu_hz = CFG_OSC0_HZ; - /* fff03400: 00010001 04030402 00050005 10011103 */ - hebi = get_device(DEVICE_HEBI); - hsmc3_writel(hebi, MODE0, 0x00031103); - hsmc3_writel(hebi, CYCLE0, 0x000c000d); - hsmc3_writel(hebi, PULSE0, 0x0b0a0906); - hsmc3_writel(hebi, SETUP0, 0x00010002); + /* TODO: Move somewhere else, but needs to be run before we + * increase the clock frequency. */ + hsmc3_writel(MODE0, 0x00031103); + hsmc3_writel(CYCLE0, 0x000c000d); + hsmc3_writel(PULSE0, 0x0b0a0906); + hsmc3_writel(SETUP0, 0x00010002); pm_init(); sysreg_write(EVBA, (unsigned long)&_evba); asm volatile("csrf %0" : : "i"(SYSREG_EM_OFFSET)); - gd->console_uart = get_device(CFG_CONSOLE_UART_DEV); /* Lock everything that mess with the flash in the icache */ for (p = __flashprog_start; p <= (__flashprog_end + CFG_ICACHE_LINESZ); diff --git a/cpu/at32ap/device.c b/cpu/at32ap/device.c deleted file mode 100644 index 89914b6b5..000000000 --- a/cpu/at32ap/device.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Copyright (C) 2006 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 <common.h> - -#include <asm/arch/platform.h> - -#include "sm.h" - -struct device_state { - int refcount; -}; - -static struct device_state device_state[NR_DEVICES]; - -static int claim_resource(const struct resource *res) -{ - int ret = 0; - - switch (res->type) { - case RESOURCE_GPIO: - ret = gpio_set_func(res->u.gpio.gpio_dev, - res->u.gpio.start, - res->u.gpio.nr_pins, - res->u.gpio.func); - break; - case RESOURCE_CLOCK: - ret = pm_enable_clock(res->u.clock.id, res->u.clock.index); - break; - } - - return ret; -} - -static void free_resource(const struct resource *res) -{ - switch (res->type) { - case RESOURCE_GPIO: - gpio_free(res->u.gpio.gpio_dev, res->u.gpio.start, - res->u.gpio.nr_pins); - break; - case RESOURCE_CLOCK: - pm_disable_clock(res->u.clock.id, res->u.clock.index); - break; - } -} - -static int init_dev(const struct device *dev) -{ - unsigned int i; - int ret = 0; - - for (i = 0; i < dev->nr_resources; i++) { - ret = claim_resource(&dev->resource[i]); - if (ret) - goto cleanup; - } - - return 0; - -cleanup: - while (i--) - free_resource(&dev->resource[i]); - - return ret; -} - -const struct device *get_device(enum device_id devid) -{ - struct device_state *devstate; - const struct device *dev; - unsigned long flags; - int initialized = 0; - int ret = 0; - - devstate = &device_state[devid]; - dev = &chip_device[devid]; - - flags = disable_interrupts(); - if (devstate->refcount++) - initialized = 1; - if (flags) - enable_interrupts(); - - if (!initialized) - ret = init_dev(dev); - - return ret ? NULL : dev; -} - -void put_device(const struct device *dev) -{ - struct device_state *devstate; - unsigned long devid, flags; - - devid = (unsigned long)(dev - chip_device) / sizeof(struct device); - devstate = &device_state[devid]; - - flags = disable_interrupts(); - devstate--; - if (!devstate) { - unsigned int i; - for (i = 0; i < dev->nr_resources; i++) - free_resource(&dev->resource[i]); - } - if (flags) - enable_interrupts(); -} diff --git a/cpu/at32ap/hsdramc.c b/cpu/at32ap/hsdramc.c index f36da3545..a936e0316 100644 --- a/cpu/at32ap/hsdramc.c +++ b/cpu/at32ap/hsdramc.c @@ -25,17 +25,11 @@ #include <asm/io.h> #include <asm/sdram.h> -#include <asm/arch/platform.h> +#include <asm/arch/clk.h> +#include <asm/arch/memory-map.h> #include "hsdramc1.h" -struct hsdramc { - const struct device *hebi; - void *regs; -}; - -static struct hsdramc hsdramc; - unsigned long sdram_init(const struct sdram_info *info) { unsigned long *sdram = (unsigned long *)uncached(info->phys_addr); @@ -44,16 +38,6 @@ unsigned long sdram_init(const struct sdram_info *info) unsigned long bus_hz; unsigned int i; - hsdramc.hebi = get_device(DEVICE_HEBI); - if (!hsdramc.hebi) - return 0; - - /* FIXME: Both of these lines are complete hacks */ - hsdramc.regs = hsdramc.hebi->regs + 0x400; - bus_hz = pm_get_clock_freq(hsdramc.hebi->resource[0].u.clock.id); - - cpu_enable_sdram(); - tmp = (HSDRAMC1_BF(NC, info->col_bits - 8) | HSDRAMC1_BF(NR, info->row_bits - 11) | HSDRAMC1_BF(NB, info->bank_bits - 1) @@ -74,7 +58,7 @@ unsigned long sdram_init(const struct sdram_info *info) + info->bank_bits + 2); #endif - hsdramc1_writel(&hsdramc, CR, tmp); + hsdramc1_writel(CR, tmp); /* * Initialization sequence for SDRAM, from the data sheet: @@ -87,15 +71,15 @@ unsigned long sdram_init(const struct sdram_info *info) /* * 2. A Precharge All command is issued to the SDRAM */ - hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_BANKS_PRECHARGE); - hsdramc1_readl(&hsdramc, MR); + hsdramc1_writel(MR, HSDRAMC1_MODE_BANKS_PRECHARGE); + hsdramc1_readl(MR); writel(0, sdram); /* * 3. Eight auto-refresh (CBR) cycles are provided */ - hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_AUTO_REFRESH); - hsdramc1_readl(&hsdramc, MR); + hsdramc1_writel(MR, HSDRAMC1_MODE_AUTO_REFRESH); + hsdramc1_readl(MR); for (i = 0; i < 8; i++) writel(0, sdram); @@ -106,8 +90,8 @@ unsigned long sdram_init(const struct sdram_info *info) * * CAS from info struct, burst length 1, serial burst type */ - hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_LOAD_MODE); - hsdramc1_readl(&hsdramc, MR); + hsdramc1_writel(MR, HSDRAMC1_MODE_LOAD_MODE); + hsdramc1_readl(MR); writel(0, sdram + (info->cas << 4)); /* @@ -117,9 +101,9 @@ unsigned long sdram_init(const struct sdram_info *info) * From the timing diagram, it looks like tMRD is 3 * cycles...try a dummy read from the peripheral bus. */ - hsdramc1_readl(&hsdramc, MR); - hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_NORMAL); - hsdramc1_readl(&hsdramc, MR); + hsdramc1_readl(MR); + hsdramc1_writel(MR, HSDRAMC1_MODE_NORMAL); + hsdramc1_readl(MR); writel(0, sdram); /* @@ -128,7 +112,8 @@ unsigned long sdram_init(const struct sdram_info *info) * * 15.6 us is a typical value for a burst of length one */ - hsdramc1_writel(&hsdramc, TR, (156 * (bus_hz / 1000)) / 10000); + bus_hz = get_sdram_clk_rate(); + hsdramc1_writel(TR, (156 * (bus_hz / 1000)) / 10000); printf("SDRAM: %u MB at address 0x%08lx\n", sdram_size >> 20, info->phys_addr); diff --git a/cpu/at32ap/hsdramc1.h b/cpu/at32ap/hsdramc1.h index ce229bca1..305d2cb5d 100644 --- a/cpu/at32ap/hsdramc1.h +++ b/cpu/at32ap/hsdramc1.h @@ -135,9 +135,9 @@ | HSDRAMC1_BF(name,value)) /* Register access macros */ -#define hsdramc1_readl(port,reg) \ - readl((port)->regs + HSDRAMC1_##reg) -#define hsdramc1_writel(port,reg,value) \ - writel((value), (port)->regs + HSDRAMC1_##reg) +#define hsdramc1_readl(reg) \ + readl((void *)HSDRAMC_BASE + HSDRAMC1_##reg) +#define hsdramc1_writel(reg,value) \ + writel((value), (void *)HSDRAMC_BASE + HSDRAMC1_##reg) #endif /* __ASM_AVR32_HSDRAMC1_H__ */ diff --git a/cpu/at32ap/hsmc3.h b/cpu/at32ap/hsmc3.h index ec78cee71..ca533b922 100644 --- a/cpu/at32ap/hsmc3.h +++ b/cpu/at32ap/hsmc3.h @@ -118,9 +118,9 @@ | HSMC3_BF(name,value)) /* Register access macros */ -#define hsmc3_readl(port,reg) \ - readl((port)->regs + HSMC3_##reg) -#define hsmc3_writel(port,reg,value) \ - writel((value), (port)->regs + HSMC3_##reg) +#define hsmc3_readl(reg) \ + readl((void *)HSMC_BASE + HSMC3_##reg) +#define hsmc3_writel(reg,value) \ + writel((value), (void *)HSMC_BASE + HSMC3_##reg) #endif /* __CPU_AT32AP_HSMC3_H__ */ diff --git a/cpu/at32ap/interrupts.c b/cpu/at32ap/interrupts.c index d720cfa94..85420a424 100644 --- a/cpu/at32ap/interrupts.c +++ b/cpu/at32ap/interrupts.c @@ -27,7 +27,7 @@ #include <asm/processor.h> #include <asm/sysreg.h> -#include <asm/arch/platform.h> +#include <asm/arch/memory-map.h> #define HANDLER_MASK 0x00ffffff #define INTLEV_SHIFT 30 @@ -44,8 +44,6 @@ volatile unsigned long timer_overflow; */ static unsigned long tb_factor; -static const struct device *intc_dev; - unsigned long get_tbclk(void) { return gd->cpu_hz; @@ -126,7 +124,7 @@ static int set_interrupt_handler(unsigned int nr, void (*handler)(void), intpr = (handler_addr & HANDLER_MASK); intpr |= (priority & INTLEV_MASK) << INTLEV_SHIFT; - writel(intpr, intc_dev->regs + 4 * nr); + writel(intpr, (void *)INTC_BASE + 4 * nr); return 0; } @@ -143,10 +141,7 @@ void timer_init(void) do_div(tmp, gd->cpu_hz); tb_factor = (u32)tmp; - intc_dev = get_device(DEVICE_INTC); - - if (!intc_dev - || set_interrupt_handler(0, &timer_interrupt_handler, 3)) + if (set_interrupt_handler(0, &timer_interrupt_handler, 3)) return; /* For all practical purposes, this gives us an overflow interrupt */ diff --git a/cpu/at32ap/pio.c b/cpu/at32ap/pio.c index 8b6c3a35d..9ba0b8ea8 100644 --- a/cpu/at32ap/pio.c +++ b/cpu/at32ap/pio.c @@ -21,74 +21,40 @@ */ #include <common.h> -#include <asm/errno.h> #include <asm/io.h> -#include <asm/arch/platform.h> +#include <asm/arch/gpio.h> +#include <asm/arch/memory-map.h> #include "pio2.h" -struct pio_state { - const struct device *dev; - u32 alloc_mask; -}; - -static struct pio_state pio_state[CFG_NR_PIOS]; - -int gpio_set_func(enum device_id gpio_devid, unsigned int start, - unsigned int nr_pins, enum gpio_func func) +void gpio_select_periph_A(unsigned int pin, int use_pullup) { - const struct device *gpio; - struct pio_state *state; - u32 mask; - - state = &pio_state[gpio_devid - DEVICE_PIOA]; - - gpio = get_device(gpio_devid); - if (!gpio) - return -EBUSY; - - state->dev = gpio; - mask = ((1 << nr_pins) - 1) << start; - - if (mask & state->alloc_mask) { - put_device(gpio); - return -EBUSY; - } - state->alloc_mask |= mask; - - switch (func) { - case GPIO_FUNC_GPIO: - /* TODO */ - return -EINVAL; - case GPIO_FUNC_A: - pio2_writel(gpio, ASR, mask); - pio2_writel(gpio, PDR, mask); - pio2_writel(gpio, PUDR, mask); - break; - case GPIO_FUNC_B: - pio2_writel(gpio, BSR, mask); - pio2_writel(gpio, PDR, mask); - pio2_writel(gpio, PUDR, mask); - break; - } - - return 0; + void *base = gpio_pin_to_addr(pin); + uint32_t mask = 1 << (pin & 0x1f); + + if (!base) + panic("Invalid GPIO pin %u\n", pin); + + pio2_writel(base, ASR, mask); + pio2_writel(base, PDR, mask); + if (use_pullup) + pio2_writel(base, PUER, mask); + else + pio2_writel(base, PUDR, mask); } -void gpio_free(enum device_id gpio_devid, unsigned int start, - unsigned int nr_pins) +void gpio_select_periph_B(unsigned int pin, int use_pullup) { - const struct device *gpio; - struct pio_state *state; - u32 mask; - - state = &pio_state[gpio_devid - DEVICE_PIOA]; - gpio = state->dev; - mask = ((1 << nr_pins) - 1) << start; - - pio2_writel(gpio, ODR, mask); - pio2_writel(gpio, PER, mask); - - state->alloc_mask &= ~mask; - put_device(gpio); + void *base = gpio_pin_to_addr(pin); + uint32_t mask = 1 << (pin & 0x1f); + + if (!base) + panic("Invalid GPIO pin %u\n", pin); + + pio2_writel(base, BSR, mask); + pio2_writel(base, PDR, mask); + if (use_pullup) + pio2_writel(base, PUER, mask); + else + pio2_writel(base, PUDR, mask); } diff --git a/cpu/at32ap/pio2.h b/cpu/at32ap/pio2.h index 6b79de3c7..9719ea8c4 100644 --- a/cpu/at32ap/pio2.h +++ b/cpu/at32ap/pio2.h @@ -36,9 +36,9 @@ #define PIO2_OWSR 0x00a8 /* Register access macros */ -#define pio2_readl(port,reg) \ - readl((port)->regs + PIO2_##reg) -#define pio2_writel(port,reg,value) \ - writel((value), (port)->regs + PIO2_##reg) +#define pio2_readl(base,reg) \ + readl((void *)base + PIO2_##reg) +#define pio2_writel(base,reg,value) \ + writel((value), (void *)base + PIO2_##reg) #endif /* __CPU_AT32AP_PIO2_H__ */ diff --git a/cpu/at32ap/pm.c b/cpu/at32ap/pm.c index 01ac325ee..c78d547f8 100644 --- a/cpu/at32ap/pm.c +++ b/cpu/at32ap/pm.c @@ -26,138 +26,17 @@ #include <asm/io.h> #include <asm/arch/memory-map.h> -#include <asm/arch/platform.h> #include "sm.h" -/* Sanity checks */ -#if (CFG_CLKDIV_CPU > CFG_CLKDIV_HSB) \ - || (CFG_CLKDIV_HSB > CFG_CLKDIV_PBA) \ - || (CFG_CLKDIV_HSB > CFG_CLKDIV_PBB) -# error Constraint fCPU >= fHSB >= fPB{A,B} violated -#endif -#if defined(CONFIG_PLL) && ((CFG_PLL0_MUL < 1) || (CFG_PLL0_DIV < 1)) -# error Invalid PLL multiplier and/or divider -#endif - -DECLARE_GLOBAL_DATA_PTR; - -struct clock_domain_state { - const struct device *bridge; - unsigned long freq; - u32 mask; -}; -static struct clock_domain_state ckd_state[NR_CLOCK_DOMAINS]; - -int pm_enable_clock(enum clock_domain_id id, unsigned int index) -{ - const struct clock_domain *ckd = &chip_clock[id]; - struct clock_domain_state *state = &ckd_state[id]; - - if (ckd->bridge != NO_DEVICE) { - state->bridge = get_device(ckd->bridge); - if (!state->bridge) - return -EBUSY; - } - - state->mask |= 1 << index; - if (gd->sm) - writel(state->mask, gd->sm->regs + ckd->reg); - - return 0; -} - -void pm_disable_clock(enum clock_domain_id id, unsigned int index) -{ - const struct clock_domain *ckd = &chip_clock[id]; - struct clock_domain_state *state = &ckd_state[id]; - - state->mask &= ~(1 << index); - if (gd->sm) - writel(state->mask, gd->sm->regs + ckd->reg); - - if (ckd->bridge) - put_device(state->bridge); -} - -unsigned long pm_get_clock_freq(enum clock_domain_id domain) -{ - return ckd_state[domain].freq; -} - -void pm_init(void) -{ - uint32_t cksel = 0; - unsigned long main_clock; - - /* Make sure we don't disable any device we're already using */ - get_device(DEVICE_HRAMC); - get_device(DEVICE_HEBI); - - /* Enable the PICO as well */ - ckd_state[CLOCK_CPU].mask |= 1; - - gd->sm = get_device(DEVICE_SM); - if (!gd->sm) - panic("Unable to claim system manager device!\n"); - - /* Disable any devices that haven't been explicitly claimed */ - sm_writel(gd->sm, PM_PBB_MASK, ckd_state[CLOCK_PBB].mask); - sm_writel(gd->sm, PM_PBA_MASK, ckd_state[CLOCK_PBA].mask); - sm_writel(gd->sm, PM_HSB_MASK, ckd_state[CLOCK_HSB].mask); - sm_writel(gd->sm, PM_CPU_MASK, ckd_state[CLOCK_CPU].mask); #ifdef CONFIG_PLL - /* Initialize the PLL */ - main_clock = (CFG_OSC0_HZ / CFG_PLL0_DIV) * CFG_PLL0_MUL; - - sm_writel(gd->sm, PM_PLL0, (SM_BF(PLLCOUNT, CFG_PLL0_SUPPRESS_CYCLES) - | SM_BF(PLLMUL, CFG_PLL0_MUL - 1) - | SM_BF(PLLDIV, CFG_PLL0_DIV - 1) - | SM_BF(PLLOPT, CFG_PLL0_OPT) - | SM_BF(PLLOSC, 0) - | SM_BIT(PLLEN))); - - /* Wait for lock */ - while (!(sm_readl(gd->sm, PM_ISR) & SM_BIT(LOCK0))) ; +#define MAIN_CLK_RATE ((CFG_OSC0_HZ / CFG_PLL0_DIV) * CFG_PLL0_MUL) #else - main_clock = CFG_OSC0_HZ; +#define MAIN_CLK_RATE (CFG_OSC0_HZ) #endif - /* Set up clocks for the CPU and all peripheral buses */ - if (CFG_CLKDIV_CPU) { - cksel |= SM_BIT(CPUDIV) | SM_BF(CPUSEL, CFG_CLKDIV_CPU - 1); - ckd_state[CLOCK_CPU].freq = main_clock / (1 << CFG_CLKDIV_CPU); - } else { - ckd_state[CLOCK_CPU].freq = main_clock; - } - if (CFG_CLKDIV_HSB) { - cksel |= SM_BIT(HSBDIV) | SM_BF(HSBSEL, CFG_CLKDIV_HSB - 1); - ckd_state[CLOCK_HSB].freq = main_clock / (1 << CFG_CLKDIV_HSB); - } else { - ckd_state[CLOCK_HSB].freq = main_clock; - } - if (CFG_CLKDIV_PBA) { - cksel |= SM_BIT(PBADIV) | SM_BF(PBASEL, CFG_CLKDIV_PBA - 1); - ckd_state[CLOCK_PBA].freq = main_clock / (1 << CFG_CLKDIV_PBA); - } else { - ckd_state[CLOCK_PBA].freq = main_clock; - } - if (CFG_CLKDIV_PBB) { - cksel |= SM_BIT(PBBDIV) | SM_BF(PBBSEL, CFG_CLKDIV_PBB - 1); - ckd_state[CLOCK_PBB].freq = main_clock / (1 << CFG_CLKDIV_PBB); - } else { - ckd_state[CLOCK_PBB].freq = main_clock; - } - sm_writel(gd->sm, PM_CKSEL, cksel); - - /* CFG_HZ currently depends on cpu_hz */ - gd->cpu_hz = ckd_state[CLOCK_CPU].freq; +DECLARE_GLOBAL_DATA_PTR; -#ifdef CONFIG_PLL - /* Use PLL0 as main clock */ - sm_writel(gd->sm, PM_MCCTRL, SM_BIT(PLLSEL)); -#endif -} #endif /* CFG_POWER_MANAGER */ diff --git a/cpu/at32ap/sm.h b/cpu/at32ap/sm.h index ce81ef0a4..6492c8e81 100644 --- a/cpu/at32ap/sm.h +++ b/cpu/at32ap/sm.h @@ -196,9 +196,9 @@ | SM_BF(name,value)) /* Register access macros */ -#define sm_readl(port,reg) \ - readl((port)->regs + SM_##reg) -#define sm_writel(port,reg,value) \ - writel((value), (port)->regs + SM_##reg) +#define sm_readl(reg) \ + readl((void *)SM_BASE + SM_##reg) +#define sm_writel(reg,value) \ + writel((value), (void *)SM_BASE + SM_##reg) #endif /* __CPU_AT32AP_SM_H__ */ |