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-rw-r--r--arch/arm/mach-spear13xx/spear13xx.c183
1 files changed, 0 insertions, 183 deletions
diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c
deleted file mode 100644
index c7d2b4a8d8c..00000000000
--- a/arch/arm/mach-spear13xx/spear13xx.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * arch/arm/mach-spear13xx/spear13xx.c
- *
- * SPEAr13XX machines common source file
- *
- * Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.linux@gmail.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#define pr_fmt(fmt) "SPEAr13xx: " fmt
-
-#include <linux/amba/pl022.h>
-#include <linux/clk.h>
-#include <linux/dw_dmac.h>
-#include <linux/err.h>
-#include <linux/of.h>
-#include <asm/hardware/cache-l2x0.h>
-#include <asm/mach/map.h>
-#include <asm/smp_twd.h>
-#include <mach/dma.h>
-#include <mach/generic.h>
-#include <mach/spear.h>
-
-/* common dw_dma filter routine to be used by peripherals */
-bool dw_dma_filter(struct dma_chan *chan, void *slave)
-{
- struct dw_dma_slave *dws = (struct dw_dma_slave *)slave;
-
- if (chan->device->dev == dws->dma_dev) {
- chan->private = slave;
- return true;
- } else {
- return false;
- }
-}
-
-/* ssp device registration */
-static struct dw_dma_slave ssp_dma_param[] = {
- {
- /* Tx */
- .cfg_hi = DWC_CFGH_DST_PER(DMA_REQ_SSP0_TX),
- .cfg_lo = 0,
- .src_master = DMA_MASTER_MEMORY,
- .dst_master = DMA_MASTER_SSP0,
- }, {
- /* Rx */
- .cfg_hi = DWC_CFGH_SRC_PER(DMA_REQ_SSP0_RX),
- .cfg_lo = 0,
- .src_master = DMA_MASTER_SSP0,
- .dst_master = DMA_MASTER_MEMORY,
- }
-};
-
-struct pl022_ssp_controller pl022_plat_data = {
- .enable_dma = 1,
- .dma_filter = dw_dma_filter,
- .dma_rx_param = &ssp_dma_param[1],
- .dma_tx_param = &ssp_dma_param[0],
-};
-
-/* CF device registration */
-struct dw_dma_slave cf_dma_priv = {
- .cfg_hi = 0,
- .cfg_lo = 0,
- .src_master = 0,
- .dst_master = 0,
-};
-
-/* dmac device registeration */
-struct dw_dma_platform_data dmac_plat_data = {
- .nr_channels = 8,
- .chan_allocation_order = CHAN_ALLOCATION_DESCENDING,
- .chan_priority = CHAN_PRIORITY_DESCENDING,
- .block_size = 4095U,
- .nr_masters = 2,
- .data_width = { 3, 3, 0, 0 },
-};
-
-void __init spear13xx_l2x0_init(void)
-{
- /*
- * 512KB (64KB/way), 8-way associativity, parity supported
- *
- * FIXME: 9th bit, of Auxillary Controller register must be set
- * for some spear13xx devices for stable L2 operation.
- *
- * Enable Early BRESP, L2 prefetch for Instruction and Data,
- * write alloc and 'Full line of zero' options
- *
- */
-
- writel_relaxed(0x06, VA_L2CC_BASE + L2X0_PREFETCH_CTRL);
-
- /*
- * Program following latencies in order to make
- * SPEAr1340 work at 600 MHz
- */
- writel_relaxed(0x221, VA_L2CC_BASE + L2X0_TAG_LATENCY_CTRL);
- writel_relaxed(0x441, VA_L2CC_BASE + L2X0_DATA_LATENCY_CTRL);
- l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff);
-}
-
-/*
- * Following will create 16MB static virtual/physical mappings
- * PHYSICAL VIRTUAL
- * 0xB3000000 0xFE000000
- * 0xE0000000 0xFD000000
- * 0xEC000000 0xFC000000
- * 0xED000000 0xFB000000
- */
-struct map_desc spear13xx_io_desc[] __initdata = {
- {
- .virtual = (unsigned long)VA_PERIP_GRP2_BASE,
- .pfn = __phys_to_pfn(PERIP_GRP2_BASE),
- .length = SZ_16M,
- .type = MT_DEVICE
- }, {
- .virtual = (unsigned long)VA_PERIP_GRP1_BASE,
- .pfn = __phys_to_pfn(PERIP_GRP1_BASE),
- .length = SZ_16M,
- .type = MT_DEVICE
- }, {
- .virtual = (unsigned long)VA_A9SM_AND_MPMC_BASE,
- .pfn = __phys_to_pfn(A9SM_AND_MPMC_BASE),
- .length = SZ_16M,
- .type = MT_DEVICE
- }, {
- .virtual = (unsigned long)VA_L2CC_BASE,
- .pfn = __phys_to_pfn(L2CC_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE
- },
-};
-
-/* This will create static memory mapping for selected devices */
-void __init spear13xx_map_io(void)
-{
- iotable_init(spear13xx_io_desc, ARRAY_SIZE(spear13xx_io_desc));
-}
-
-static void __init spear13xx_clk_init(void)
-{
- if (of_machine_is_compatible("st,spear1310"))
- spear1310_clk_init();
- else if (of_machine_is_compatible("st,spear1340"))
- spear1340_clk_init();
- else
- pr_err("%s: Unknown machine\n", __func__);
-}
-
-void __init spear13xx_timer_init(void)
-{
- char pclk_name[] = "osc_24m_clk";
- struct clk *gpt_clk, *pclk;
-
- spear13xx_clk_init();
-
- /* get the system timer clock */
- gpt_clk = clk_get_sys("gpt0", NULL);
- if (IS_ERR(gpt_clk)) {
- pr_err("%s:couldn't get clk for gpt\n", __func__);
- BUG();
- }
-
- /* get the suitable parent clock for timer*/
- pclk = clk_get(NULL, pclk_name);
- if (IS_ERR(pclk)) {
- pr_err("%s:couldn't get %s as parent for gpt\n", __func__,
- pclk_name);
- BUG();
- }
-
- clk_set_parent(gpt_clk, pclk);
- clk_put(gpt_clk);
- clk_put(pclk);
-
- spear_setup_of_timer();
- twd_local_timer_of_register();
-}