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Diffstat (limited to 'arch/powerpc/platforms/86xx/mpc8610_hpcd.c')
-rw-r--r--arch/powerpc/platforms/86xx/mpc8610_hpcd.c332
1 files changed, 0 insertions, 332 deletions
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
deleted file mode 100644
index 7733d0607da2..000000000000
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ /dev/null
@@ -1,332 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * MPC8610 HPCD board specific routines
- *
- * Initial author: Xianghua Xiao <x.xiao@freescale.com>
- * Recode: Jason Jin <jason.jin@freescale.com>
- * York Sun <yorksun@freescale.com>
- *
- * Rewrite the interrupt routing. remove the 8259PIC support,
- * All the integrated device in ULI use sideband interrupt.
- *
- * Copyright 2008 Freescale Semiconductor Inc.
- */
-
-#include <linux/stddef.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/kdev_t.h>
-#include <linux/delay.h>
-#include <linux/seq_file.h>
-#include <linux/of.h>
-#include <linux/fsl/guts.h>
-
-#include <asm/time.h>
-#include <asm/machdep.h>
-#include <asm/pci-bridge.h>
-#include <asm/prom.h>
-#include <mm/mmu_decl.h>
-#include <asm/udbg.h>
-
-#include <asm/mpic.h>
-
-#include <linux/of_platform.h>
-#include <sysdev/fsl_pci.h>
-#include <sysdev/fsl_soc.h>
-
-#include "mpc86xx.h"
-
-static struct device_node *pixis_node;
-static unsigned char *pixis_bdcfg0, *pixis_arch;
-
-/* DIU Pixel Clock bits of the CLKDVDR Global Utilities register */
-#define CLKDVDR_PXCKEN 0x80000000
-#define CLKDVDR_PXCKINV 0x10000000
-#define CLKDVDR_PXCKDLY 0x06000000
-#define CLKDVDR_PXCLK_MASK 0x001F0000
-
-#ifdef CONFIG_SUSPEND
-static irqreturn_t mpc8610_sw9_irq(int irq, void *data)
-{
- pr_debug("%s: PIXIS' event (sw9/wakeup) IRQ handled\n", __func__);
- return IRQ_HANDLED;
-}
-
-static void __init mpc8610_suspend_init(void)
-{
- int irq;
- int ret;
-
- if (!pixis_node)
- return;
-
- irq = irq_of_parse_and_map(pixis_node, 0);
- if (!irq) {
- pr_err("%s: can't map pixis event IRQ.\n", __func__);
- return;
- }
-
- ret = request_irq(irq, mpc8610_sw9_irq, 0, "sw9:wakeup", NULL);
- if (ret) {
- pr_err("%s: can't request pixis event IRQ: %d\n",
- __func__, ret);
- irq_dispose_mapping(irq);
- }
-
- enable_irq_wake(irq);
-}
-#else
-static inline void mpc8610_suspend_init(void) { }
-#endif /* CONFIG_SUSPEND */
-
-static const struct of_device_id mpc8610_ids[] __initconst = {
- { .compatible = "fsl,mpc8610-immr", },
- { .compatible = "fsl,mpc8610-guts", },
- /* So that the DMA channel nodes can be probed individually: */
- { .compatible = "fsl,eloplus-dma", },
- /* PCI controllers */
- { .compatible = "fsl,mpc8610-pci", },
- {}
-};
-
-static int __init mpc8610_declare_of_platform_devices(void)
-{
- /* Enable wakeup on PIXIS' event IRQ. */
- mpc8610_suspend_init();
-
- mpc86xx_common_publish_devices();
-
- /* Without this call, the SSI device driver won't get probed. */
- of_platform_bus_probe(NULL, mpc8610_ids, NULL);
-
- return 0;
-}
-machine_arch_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices);
-
-#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
-
-/*
- * DIU Area Descriptor
- *
- * The MPC8610 reference manual shows the bits of the AD register in
- * little-endian order, which causes the BLUE_C field to be split into two
- * parts. To simplify the definition of the MAKE_AD() macro, we define the
- * fields in big-endian order and byte-swap the result.
- *
- * So even though the registers don't look like they're in the
- * same bit positions as they are on the P1022, the same value is written to
- * the AD register on the MPC8610 and on the P1022.
- */
-#define AD_BYTE_F 0x10000000
-#define AD_ALPHA_C_MASK 0x0E000000
-#define AD_ALPHA_C_SHIFT 25
-#define AD_BLUE_C_MASK 0x01800000
-#define AD_BLUE_C_SHIFT 23
-#define AD_GREEN_C_MASK 0x00600000
-#define AD_GREEN_C_SHIFT 21
-#define AD_RED_C_MASK 0x00180000
-#define AD_RED_C_SHIFT 19
-#define AD_PALETTE 0x00040000
-#define AD_PIXEL_S_MASK 0x00030000
-#define AD_PIXEL_S_SHIFT 16
-#define AD_COMP_3_MASK 0x0000F000
-#define AD_COMP_3_SHIFT 12
-#define AD_COMP_2_MASK 0x00000F00
-#define AD_COMP_2_SHIFT 8
-#define AD_COMP_1_MASK 0x000000F0
-#define AD_COMP_1_SHIFT 4
-#define AD_COMP_0_MASK 0x0000000F
-#define AD_COMP_0_SHIFT 0
-
-#define MAKE_AD(alpha, red, blue, green, size, c0, c1, c2, c3) \
- cpu_to_le32(AD_BYTE_F | (alpha << AD_ALPHA_C_SHIFT) | \
- (blue << AD_BLUE_C_SHIFT) | (green << AD_GREEN_C_SHIFT) | \
- (red << AD_RED_C_SHIFT) | (c3 << AD_COMP_3_SHIFT) | \
- (c2 << AD_COMP_2_SHIFT) | (c1 << AD_COMP_1_SHIFT) | \
- (c0 << AD_COMP_0_SHIFT) | (size << AD_PIXEL_S_SHIFT))
-
-u32 mpc8610hpcd_get_pixel_format(enum fsl_diu_monitor_port port,
- unsigned int bits_per_pixel)
-{
- static const u32 pixelformat[][3] = {
- {
- MAKE_AD(3, 0, 2, 1, 3, 8, 8, 8, 8),
- MAKE_AD(4, 2, 0, 1, 2, 8, 8, 8, 0),
- MAKE_AD(4, 0, 2, 1, 1, 5, 6, 5, 0)
- },
- {
- MAKE_AD(3, 2, 0, 1, 3, 8, 8, 8, 8),
- MAKE_AD(4, 0, 2, 1, 2, 8, 8, 8, 0),
- MAKE_AD(4, 2, 0, 1, 1, 5, 6, 5, 0)
- },
- };
- unsigned int arch_monitor;
-
- /* The DVI port is mis-wired on revision 1 of this board. */
- arch_monitor =
- ((*pixis_arch == 0x01) && (port == FSL_DIU_PORT_DVI)) ? 0 : 1;
-
- switch (bits_per_pixel) {
- case 32:
- return pixelformat[arch_monitor][0];
- case 24:
- return pixelformat[arch_monitor][1];
- case 16:
- return pixelformat[arch_monitor][2];
- default:
- pr_err("fsl-diu: unsupported pixel depth %u\n", bits_per_pixel);
- return 0;
- }
-}
-
-void mpc8610hpcd_set_gamma_table(enum fsl_diu_monitor_port port,
- char *gamma_table_base)
-{
- int i;
- if (port == FSL_DIU_PORT_DLVDS) {
- for (i = 0; i < 256*3; i++)
- gamma_table_base[i] = (gamma_table_base[i] << 2) |
- ((gamma_table_base[i] >> 6) & 0x03);
- }
-}
-
-#define PX_BRDCFG0_DVISEL (1 << 3)
-#define PX_BRDCFG0_DLINK (1 << 4)
-#define PX_BRDCFG0_DIU_MASK (PX_BRDCFG0_DVISEL | PX_BRDCFG0_DLINK)
-
-void mpc8610hpcd_set_monitor_port(enum fsl_diu_monitor_port port)
-{
- switch (port) {
- case FSL_DIU_PORT_DVI:
- clrsetbits_8(pixis_bdcfg0, PX_BRDCFG0_DIU_MASK,
- PX_BRDCFG0_DVISEL | PX_BRDCFG0_DLINK);
- break;
- case FSL_DIU_PORT_LVDS:
- clrsetbits_8(pixis_bdcfg0, PX_BRDCFG0_DIU_MASK,
- PX_BRDCFG0_DLINK);
- break;
- case FSL_DIU_PORT_DLVDS:
- clrbits8(pixis_bdcfg0, PX_BRDCFG0_DIU_MASK);
- break;
- }
-}
-
-/**
- * mpc8610hpcd_set_pixel_clock: program the DIU's clock
- *
- * @pixclock: the wavelength, in picoseconds, of the clock
- */
-void mpc8610hpcd_set_pixel_clock(unsigned int pixclock)
-{
- struct device_node *guts_np = NULL;
- struct ccsr_guts __iomem *guts;
- unsigned long freq;
- u64 temp;
- u32 pxclk;
-
- /* Map the global utilities registers. */
- guts_np = of_find_compatible_node(NULL, NULL, "fsl,mpc8610-guts");
- if (!guts_np) {
- pr_err("mpc8610hpcd: missing global utilities device node\n");
- return;
- }
-
- guts = of_iomap(guts_np, 0);
- of_node_put(guts_np);
- if (!guts) {
- pr_err("mpc8610hpcd: could not map global utilities device\n");
- return;
- }
-
- /* Convert pixclock from a wavelength to a frequency */
- temp = 1000000000000ULL;
- do_div(temp, pixclock);
- freq = temp;
-
- /*
- * 'pxclk' is the ratio of the platform clock to the pixel clock.
- * On the MPC8610, the value programmed into CLKDVDR is the ratio
- * minus one. The valid range of values is 2-31.
- */
- pxclk = DIV_ROUND_CLOSEST(fsl_get_sys_freq(), freq) - 1;
- pxclk = clamp_t(u32, pxclk, 2, 31);
-
- /* Disable the pixel clock, and set it to non-inverted and no delay */
- clrbits32(&guts->clkdvdr,
- CLKDVDR_PXCKEN | CLKDVDR_PXCKDLY | CLKDVDR_PXCLK_MASK);
-
- /* Enable the clock and set the pxclk */
- setbits32(&guts->clkdvdr, CLKDVDR_PXCKEN | (pxclk << 16));
-
- iounmap(guts);
-}
-
-enum fsl_diu_monitor_port
-mpc8610hpcd_valid_monitor_port(enum fsl_diu_monitor_port port)
-{
- return port;
-}
-
-#endif
-
-static void __init mpc86xx_hpcd_setup_arch(void)
-{
- struct resource r;
- unsigned char *pixis;
-
- if (ppc_md.progress)
- ppc_md.progress("mpc86xx_hpcd_setup_arch()", 0);
-
- fsl_pci_assign_primary();
-
-#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
- diu_ops.get_pixel_format = mpc8610hpcd_get_pixel_format;
- diu_ops.set_gamma_table = mpc8610hpcd_set_gamma_table;
- diu_ops.set_monitor_port = mpc8610hpcd_set_monitor_port;
- diu_ops.set_pixel_clock = mpc8610hpcd_set_pixel_clock;
- diu_ops.valid_monitor_port = mpc8610hpcd_valid_monitor_port;
-#endif
-
- pixis_node = of_find_compatible_node(NULL, NULL, "fsl,fpga-pixis");
- if (pixis_node) {
- of_address_to_resource(pixis_node, 0, &r);
- of_node_put(pixis_node);
- pixis = ioremap(r.start, 32);
- if (!pixis) {
- printk(KERN_ERR "Err: can't map FPGA cfg register!\n");
- return;
- }
- pixis_bdcfg0 = pixis + 8;
- pixis_arch = pixis + 1;
- } else
- printk(KERN_ERR "Err: "
- "can't find device node 'fsl,fpga-pixis'\n");
-
- printk("MPC86xx HPCD board from Freescale Semiconductor\n");
-}
-
-/*
- * Called very early, device-tree isn't unflattened
- */
-static int __init mpc86xx_hpcd_probe(void)
-{
- if (of_machine_is_compatible("fsl,MPC8610HPCD"))
- return 1; /* Looks good */
-
- return 0;
-}
-
-define_machine(mpc86xx_hpcd) {
- .name = "MPC86xx HPCD",
- .probe = mpc86xx_hpcd_probe,
- .setup_arch = mpc86xx_hpcd_setup_arch,
- .init_IRQ = mpc86xx_init_irq,
- .get_irq = mpic_get_irq,
- .time_init = mpc86xx_time_init,
- .calibrate_decr = generic_calibrate_decr,
- .progress = udbg_progress,
-#ifdef CONFIG_PCI
- .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
-#endif
-};