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-rw-r--r--arch/arm/mach-mmp/pxa910.c185
1 files changed, 185 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c
new file mode 100644
index 00000000000..3241a25784d
--- /dev/null
+++ b/arch/arm/mach-mmp/pxa910.c
@@ -0,0 +1,185 @@
+/*
+ * linux/arch/arm/mach-mmp/pxa910.c
+ *
+ * Code specific to PXA910
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/time.h>
+#include <mach/addr-map.h>
+#include <mach/regs-apbc.h>
+#include <mach/regs-apmu.h>
+#include <mach/cputype.h>
+#include <mach/irqs.h>
+#include <mach/dma.h>
+#include <mach/mfp.h>
+#include <mach/devices.h>
+
+#include "common.h"
+#include "clock.h"
+
+#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000)
+
+static struct mfp_addr_map pxa910_mfp_addr_map[] __initdata =
+{
+ MFP_ADDR_X(GPIO0, GPIO54, 0xdc),
+ MFP_ADDR_X(GPIO67, GPIO98, 0x1b8),
+ MFP_ADDR_X(GPIO100, GPIO109, 0x238),
+
+ MFP_ADDR(GPIO123, 0xcc),
+ MFP_ADDR(GPIO124, 0xd0),
+
+ MFP_ADDR(DF_IO0, 0x40),
+ MFP_ADDR(DF_IO1, 0x3c),
+ MFP_ADDR(DF_IO2, 0x38),
+ MFP_ADDR(DF_IO3, 0x34),
+ MFP_ADDR(DF_IO4, 0x30),
+ MFP_ADDR(DF_IO5, 0x2c),
+ MFP_ADDR(DF_IO6, 0x28),
+ MFP_ADDR(DF_IO7, 0x24),
+ MFP_ADDR(DF_IO8, 0x20),
+ MFP_ADDR(DF_IO9, 0x1c),
+ MFP_ADDR(DF_IO10, 0x18),
+ MFP_ADDR(DF_IO11, 0x14),
+ MFP_ADDR(DF_IO12, 0x10),
+ MFP_ADDR(DF_IO13, 0xc),
+ MFP_ADDR(DF_IO14, 0x8),
+ MFP_ADDR(DF_IO15, 0x4),
+
+ MFP_ADDR(DF_nCS0_SM_nCS2, 0x44),
+ MFP_ADDR(DF_nCS1_SM_nCS3, 0x48),
+ MFP_ADDR(SM_nCS0, 0x4c),
+ MFP_ADDR(SM_nCS1, 0x50),
+ MFP_ADDR(DF_WEn, 0x54),
+ MFP_ADDR(DF_REn, 0x58),
+ MFP_ADDR(DF_CLE_SM_OEn, 0x5c),
+ MFP_ADDR(DF_ALE_SM_WEn, 0x60),
+ MFP_ADDR(SM_SCLK, 0x64),
+ MFP_ADDR(DF_RDY0, 0x68),
+ MFP_ADDR(SM_BE0, 0x6c),
+ MFP_ADDR(SM_BE1, 0x70),
+ MFP_ADDR(SM_ADV, 0x74),
+ MFP_ADDR(DF_RDY1, 0x78),
+ MFP_ADDR(SM_ADVMUX, 0x7c),
+ MFP_ADDR(SM_RDY, 0x80),
+
+ MFP_ADDR_X(MMC1_DAT7, MMC1_WP, 0x84),
+
+ MFP_ADDR_END,
+};
+
+void __init pxa910_init_irq(void)
+{
+ icu_init_irq();
+}
+
+/* APB peripheral clocks */
+static APBC_CLK(uart1, PXA910_UART0, 1, 14745600);
+static APBC_CLK(uart2, PXA910_UART1, 1, 14745600);
+static APBC_CLK(twsi0, PXA168_TWSI0, 1, 33000000);
+static APBC_CLK(twsi1, PXA168_TWSI1, 1, 33000000);
+static APBC_CLK(pwm1, PXA910_PWM1, 1, 13000000);
+static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000);
+static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000);
+static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000);
+static APBC_CLK(gpio, PXA910_GPIO, 0, 13000000);
+
+static APMU_CLK(nand, NAND, 0x19b, 156000000);
+static APMU_CLK(u2o, USB, 0x1b, 480000000);
+
+/* device and clock bindings */
+static struct clk_lookup pxa910_clkregs[] = {
+ INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
+ INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
+ INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL),
+ INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL),
+ INIT_CLKREG(&clk_pwm1, "pxa910-pwm.0", NULL),
+ INIT_CLKREG(&clk_pwm2, "pxa910-pwm.1", NULL),
+ INIT_CLKREG(&clk_pwm3, "pxa910-pwm.2", NULL),
+ INIT_CLKREG(&clk_pwm4, "pxa910-pwm.3", NULL),
+ INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
+ INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
+ INIT_CLKREG(&clk_u2o, "pxa-u2o", "U2OCLK"),
+};
+
+static int __init pxa910_init(void)
+{
+ if (cpu_is_pxa910()) {
+ mfp_init_base(MFPR_VIRT_BASE);
+ mfp_init_addr(pxa910_mfp_addr_map);
+ pxa_init_dma(IRQ_PXA910_DMA_INT0, 32);
+ clkdev_add_table(ARRAY_AND_SIZE(pxa910_clkregs));
+ }
+
+ return 0;
+}
+postcore_initcall(pxa910_init);
+
+/* system timer - clock enabled, 3.25MHz */
+#define TIMER_CLK_RST (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3))
+
+static void __init pxa910_timer_init(void)
+{
+ /* reset and configure */
+ __raw_writel(APBC_APBCLK | APBC_RST, APBC_PXA910_TIMERS);
+ __raw_writel(TIMER_CLK_RST, APBC_PXA910_TIMERS);
+
+ timer_init(IRQ_PXA910_AP1_TIMER1);
+}
+
+struct sys_timer pxa910_timer = {
+ .init = pxa910_timer_init,
+};
+
+/* on-chip devices */
+
+/* NOTE: there are totally 3 UARTs on PXA910:
+ *
+ * UART1 - Slow UART (can be used both by AP and CP)
+ * UART2/3 - Fast UART
+ *
+ * To be backward compatible with the legacy FFUART/BTUART/STUART sequence,
+ * they are re-ordered as:
+ *
+ * pxa910_device_uart1 - UART2 as FFUART
+ * pxa910_device_uart2 - UART3 as BTUART
+ *
+ * UART1 is not used by AP for the moment.
+ */
+PXA910_DEVICE(uart1, "pxa2xx-uart", 0, UART2, 0xd4017000, 0x30, 21, 22);
+PXA910_DEVICE(uart2, "pxa2xx-uart", 1, UART3, 0xd4018000, 0x30, 23, 24);
+PXA910_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28);
+PXA910_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28);
+PXA910_DEVICE(pwm1, "pxa910-pwm", 0, NONE, 0xd401a000, 0x10);
+PXA910_DEVICE(pwm2, "pxa910-pwm", 1, NONE, 0xd401a400, 0x10);
+PXA910_DEVICE(pwm3, "pxa910-pwm", 2, NONE, 0xd401a800, 0x10);
+PXA910_DEVICE(pwm4, "pxa910-pwm", 3, NONE, 0xd401ac00, 0x10);
+PXA910_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x80, 97, 99);
+
+struct resource pxa910_resource_gpio[] = {
+ {
+ .start = 0xd4019000,
+ .end = 0xd4019fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_PXA910_AP_GPIO,
+ .end = IRQ_PXA910_AP_GPIO,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device pxa910_device_gpio = {
+ .name = "pxa-gpio",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(pxa910_resource_gpio),
+ .resource = pxa910_resource_gpio,
+};