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Diffstat (limited to 'arch/arm/mach-versatile/core.c')
-rw-r--r--arch/arm/mach-versatile/core.c295
1 files changed, 64 insertions, 231 deletions
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 136c32e7ed8e..eb7ffa0ee8b5 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -50,6 +50,8 @@
#include <mach/platform.h>
#include <asm/hardware/timer-sp.h>
+#include <plat/clcd.h>
+#include <plat/fpga-irq.h>
#include <plat/sched_clock.h>
#include "core.h"
@@ -63,47 +65,12 @@
#define VA_VIC_BASE __io_address(VERSATILE_VIC_BASE)
#define VA_SIC_BASE __io_address(VERSATILE_SIC_BASE)
-static void sic_mask_irq(struct irq_data *d)
-{
- unsigned int irq = d->irq - IRQ_SIC_START;
-
- writel(1 << irq, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR);
-}
-
-static void sic_unmask_irq(struct irq_data *d)
-{
- unsigned int irq = d->irq - IRQ_SIC_START;
-
- writel(1 << irq, VA_SIC_BASE + SIC_IRQ_ENABLE_SET);
-}
-
-static struct irq_chip sic_chip = {
- .name = "SIC",
- .irq_ack = sic_mask_irq,
- .irq_mask = sic_mask_irq,
- .irq_unmask = sic_unmask_irq,
+static struct fpga_irq_data sic_irq = {
+ .base = VA_SIC_BASE,
+ .irq_start = IRQ_SIC_START,
+ .chip.name = "SIC",
};
-static void
-sic_handle_irq(unsigned int irq, struct irq_desc *desc)
-{
- unsigned long status = readl(VA_SIC_BASE + SIC_IRQ_STATUS);
-
- if (status == 0) {
- do_bad_IRQ(irq, desc);
- return;
- }
-
- do {
- irq = ffs(status) - 1;
- status &= ~(1 << irq);
-
- irq += IRQ_SIC_START;
-
- generic_handle_irq(irq);
- } while (status);
-}
-
#if 1
#define IRQ_MMCI0A IRQ_VICSOURCE22
#define IRQ_AACI IRQ_VICSOURCE24
@@ -118,22 +85,11 @@ sic_handle_irq(unsigned int irq, struct irq_desc *desc)
void __init versatile_init_irq(void)
{
- unsigned int i;
-
vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0, 0);
- set_irq_chained_handler(IRQ_VICSOURCE31, sic_handle_irq);
-
- /* Do second interrupt controller */
writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR);
- for (i = IRQ_SIC_START; i <= IRQ_SIC_END; i++) {
- if ((PIC_MASK & (1 << (i - IRQ_SIC_START))) == 0) {
- set_irq_chip(i, &sic_chip);
- set_irq_handler(i, handle_level_irq);
- set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
- }
- }
+ fpga_irq_init(IRQ_VICSOURCE31, ~PIC_MASK, &sic_irq);
/*
* Interrupts on secondary controller from 0 to 8 are routed to
@@ -476,127 +432,7 @@ static struct clk_lookup lookups[] = {
#define SYS_CLCD_ID_SANYO_2_5 (0x07 << 8)
#define SYS_CLCD_ID_VGA (0x1f << 8)
-static struct clcd_panel vga = {
- .mode = {
- .name = "VGA",
- .refresh = 60,
- .xres = 640,
- .yres = 480,
- .pixclock = 39721,
- .left_margin = 40,
- .right_margin = 24,
- .upper_margin = 32,
- .lower_margin = 11,
- .hsync_len = 96,
- .vsync_len = 2,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1),
- .bpp = 16,
-};
-
-static struct clcd_panel sanyo_3_8_in = {
- .mode = {
- .name = "Sanyo QVGA",
- .refresh = 116,
- .xres = 320,
- .yres = 240,
- .pixclock = 100000,
- .left_margin = 6,
- .right_margin = 6,
- .upper_margin = 5,
- .lower_margin = 5,
- .hsync_len = 6,
- .vsync_len = 6,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD,
- .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1),
- .bpp = 16,
-};
-
-static struct clcd_panel sanyo_2_5_in = {
- .mode = {
- .name = "Sanyo QVGA Portrait",
- .refresh = 116,
- .xres = 240,
- .yres = 320,
- .pixclock = 100000,
- .left_margin = 20,
- .right_margin = 10,
- .upper_margin = 2,
- .lower_margin = 2,
- .hsync_len = 10,
- .vsync_len = 2,
- .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_IVS | TIM2_IHS | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1),
- .bpp = 16,
-};
-
-static struct clcd_panel epson_2_2_in = {
- .mode = {
- .name = "Epson QCIF",
- .refresh = 390,
- .xres = 176,
- .yres = 220,
- .pixclock = 62500,
- .left_margin = 3,
- .right_margin = 2,
- .upper_margin = 1,
- .lower_margin = 0,
- .hsync_len = 3,
- .vsync_len = 2,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1),
- .bpp = 16,
-};
-
-/*
- * Detect which LCD panel is connected, and return the appropriate
- * clcd_panel structure. Note: we do not have any information on
- * the required timings for the 8.4in panel, so we presently assume
- * VGA timings.
- */
-static struct clcd_panel *versatile_clcd_panel(void)
-{
- void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET;
- struct clcd_panel *panel = &vga;
- u32 val;
-
- val = readl(sys_clcd) & SYS_CLCD_ID_MASK;
- if (val == SYS_CLCD_ID_SANYO_3_8)
- panel = &sanyo_3_8_in;
- else if (val == SYS_CLCD_ID_SANYO_2_5)
- panel = &sanyo_2_5_in;
- else if (val == SYS_CLCD_ID_EPSON_2_2)
- panel = &epson_2_2_in;
- else if (val == SYS_CLCD_ID_VGA)
- panel = &vga;
- else {
- printk(KERN_ERR "CLCD: unknown LCD panel ID 0x%08x, using VGA\n",
- val);
- panel = &vga;
- }
-
- return panel;
-}
+static bool is_sanyo_2_5_lcd;
/*
* Disable all display connectors on the interface module.
@@ -614,7 +450,7 @@ static void versatile_clcd_disable(struct clcd_fb *fb)
/*
* If the LCD is Sanyo 2x5 in on the IB2 board, turn the back-light off
*/
- if (machine_is_versatile_ab() && fb->panel == &sanyo_2_5_in) {
+ if (machine_is_versatile_ab() && is_sanyo_2_5_lcd) {
void __iomem *versatile_ib2_ctrl = __io_address(VERSATILE_IB2_CTRL);
unsigned long ctrl;
@@ -630,18 +466,22 @@ static void versatile_clcd_disable(struct clcd_fb *fb)
*/
static void versatile_clcd_enable(struct clcd_fb *fb)
{
+ struct fb_var_screeninfo *var = &fb->fb.var;
void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET;
u32 val;
val = readl(sys_clcd);
val &= ~SYS_CLCD_MODE_MASK;
- switch (fb->fb.var.green.length) {
+ switch (var->green.length) {
case 5:
val |= SYS_CLCD_MODE_5551;
break;
case 6:
- val |= SYS_CLCD_MODE_565_RLSB;
+ if (var->red.offset == 0)
+ val |= SYS_CLCD_MODE_565_RLSB;
+ else
+ val |= SYS_CLCD_MODE_565_BLSB;
break;
case 8:
val |= SYS_CLCD_MODE_888;
@@ -663,7 +503,7 @@ static void versatile_clcd_enable(struct clcd_fb *fb)
/*
* If the LCD is Sanyo 2x5 in on the IB2 board, turn the back-light on
*/
- if (machine_is_versatile_ab() && fb->panel == &sanyo_2_5_in) {
+ if (machine_is_versatile_ab() && is_sanyo_2_5_lcd) {
void __iomem *versatile_ib2_ctrl = __io_address(VERSATILE_IB2_CTRL);
unsigned long ctrl;
@@ -674,50 +514,62 @@ static void versatile_clcd_enable(struct clcd_fb *fb)
#endif
}
-static unsigned long framesize = SZ_1M;
-
+/*
+ * Detect which LCD panel is connected, and return the appropriate
+ * clcd_panel structure. Note: we do not have any information on
+ * the required timings for the 8.4in panel, so we presently assume
+ * VGA timings.
+ */
static int versatile_clcd_setup(struct clcd_fb *fb)
{
- dma_addr_t dma;
+ void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET;
+ const char *panel_name;
+ u32 val;
- fb->panel = versatile_clcd_panel();
+ is_sanyo_2_5_lcd = false;
- fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, framesize,
- &dma, GFP_KERNEL);
- if (!fb->fb.screen_base) {
- printk(KERN_ERR "CLCD: unable to map framebuffer\n");
- return -ENOMEM;
+ val = readl(sys_clcd) & SYS_CLCD_ID_MASK;
+ if (val == SYS_CLCD_ID_SANYO_3_8)
+ panel_name = "Sanyo TM38QV67A02A";
+ else if (val == SYS_CLCD_ID_SANYO_2_5) {
+ panel_name = "Sanyo QVGA Portrait";
+ is_sanyo_2_5_lcd = true;
+ } else if (val == SYS_CLCD_ID_EPSON_2_2)
+ panel_name = "Epson L2F50113T00";
+ else if (val == SYS_CLCD_ID_VGA)
+ panel_name = "VGA";
+ else {
+ printk(KERN_ERR "CLCD: unknown LCD panel ID 0x%08x, using VGA\n",
+ val);
+ panel_name = "VGA";
}
- fb->fb.fix.smem_start = dma;
- fb->fb.fix.smem_len = framesize;
+ fb->panel = versatile_clcd_get_panel(panel_name);
+ if (!fb->panel)
+ return -EINVAL;
- return 0;
+ return versatile_clcd_setup_dma(fb, SZ_1M);
}
-static int versatile_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
+static void versatile_clcd_decode(struct clcd_fb *fb, struct clcd_regs *regs)
{
- return dma_mmap_writecombine(&fb->dev->dev, vma,
- fb->fb.screen_base,
- fb->fb.fix.smem_start,
- fb->fb.fix.smem_len);
-}
+ clcdfb_decode(fb, regs);
-static void versatile_clcd_remove(struct clcd_fb *fb)
-{
- dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len,
- fb->fb.screen_base, fb->fb.fix.smem_start);
+ /* Always clear BGR for RGB565: we do the routing externally */
+ if (fb->fb.var.green.length == 6)
+ regs->cntl &= ~CNTL_BGR;
}
static struct clcd_board clcd_plat_data = {
.name = "Versatile",
+ .caps = CLCD_CAP_5551 | CLCD_CAP_565 | CLCD_CAP_888,
.check = clcdfb_check,
- .decode = clcdfb_decode,
+ .decode = versatile_clcd_decode,
.disable = versatile_clcd_disable,
.enable = versatile_clcd_enable,
.setup = versatile_clcd_setup,
- .mmap = versatile_clcd_mmap,
- .remove = versatile_clcd_remove,
+ .mmap = versatile_clcd_mmap_dma,
+ .remove = versatile_clcd_remove_dma,
};
static struct pl061_platform_data gpio0_plat_data = {
@@ -737,53 +589,35 @@ static struct pl022_ssp_controller ssp0_plat_data = {
};
#define AACI_IRQ { IRQ_AACI, NO_IRQ }
-#define AACI_DMA { 0x80, 0x81 }
#define MMCI0_IRQ { IRQ_MMCI0A,IRQ_SIC_MMCI0B }
-#define MMCI0_DMA { 0x84, 0 }
#define KMI0_IRQ { IRQ_SIC_KMI0, NO_IRQ }
-#define KMI0_DMA { 0, 0 }
#define KMI1_IRQ { IRQ_SIC_KMI1, NO_IRQ }
-#define KMI1_DMA { 0, 0 }
/*
* These devices are connected directly to the multi-layer AHB switch
*/
#define SMC_IRQ { NO_IRQ, NO_IRQ }
-#define SMC_DMA { 0, 0 }
#define MPMC_IRQ { NO_IRQ, NO_IRQ }
-#define MPMC_DMA { 0, 0 }
#define CLCD_IRQ { IRQ_CLCDINT, NO_IRQ }
-#define CLCD_DMA { 0, 0 }
#define DMAC_IRQ { IRQ_DMAINT, NO_IRQ }
-#define DMAC_DMA { 0, 0 }
/*
* These devices are connected via the core APB bridge
*/
#define SCTL_IRQ { NO_IRQ, NO_IRQ }
-#define SCTL_DMA { 0, 0 }
#define WATCHDOG_IRQ { IRQ_WDOGINT, NO_IRQ }
-#define WATCHDOG_DMA { 0, 0 }
#define GPIO0_IRQ { IRQ_GPIOINT0, NO_IRQ }
-#define GPIO0_DMA { 0, 0 }
#define GPIO1_IRQ { IRQ_GPIOINT1, NO_IRQ }
-#define GPIO1_DMA { 0, 0 }
#define RTC_IRQ { IRQ_RTCINT, NO_IRQ }
-#define RTC_DMA { 0, 0 }
/*
* These devices are connected via the DMA APB bridge
*/
#define SCI_IRQ { IRQ_SCIINT, NO_IRQ }
-#define SCI_DMA { 7, 6 }
#define UART0_IRQ { IRQ_UARTINT0, NO_IRQ }
-#define UART0_DMA { 15, 14 }
#define UART1_IRQ { IRQ_UARTINT1, NO_IRQ }
-#define UART1_DMA { 13, 12 }
#define UART2_IRQ { IRQ_UARTINT2, NO_IRQ }
-#define UART2_DMA { 11, 10 }
#define SSP_IRQ { IRQ_SSPINT, NO_IRQ }
-#define SSP_DMA { 9, 8 }
/* FPGA Primecells */
AMBA_DEVICE(aaci, "fpga:04", AACI, NULL);
@@ -865,14 +699,21 @@ static void versatile_leds_event(led_event_t ledevt)
}
#endif /* CONFIG_LEDS */
-void __init versatile_init(void)
+/* Early initializations */
+void __init versatile_init_early(void)
{
- int i;
-
- osc4_clk.vcoreg = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSCCLCD_OFFSET;
+ void __iomem *sys = __io_address(VERSATILE_SYS_BASE);
+ osc4_clk.vcoreg = sys + VERSATILE_SYS_OSCCLCD_OFFSET;
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+ versatile_sched_clock_init(sys + VERSATILE_SYS_24MHz_OFFSET, 24000000);
+}
+
+void __init versatile_init(void)
+{
+ int i;
+
platform_device_register(&versatile_flash_device);
platform_device_register(&versatile_i2c_device);
platform_device_register(&smc91x_device);
@@ -889,12 +730,6 @@ void __init versatile_init(void)
}
/*
- * The sched_clock counter
- */
-#define REFCOUNTER (__io_address(VERSATILE_SYS_BASE) + \
- VERSATILE_SYS_24MHz_OFFSET)
-
-/*
* Where is the timer (VA)?
*/
#define TIMER0_VA_BASE __io_address(VERSATILE_TIMER0_1_BASE)
@@ -909,8 +744,6 @@ static void __init versatile_timer_init(void)
{
u32 val;
- versatile_sched_clock_init(REFCOUNTER, 24000000);
-
/*
* set clock frequency:
* VERSATILE_REFCLK is 32KHz
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-19 08:36:34 +0000