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awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/arm/mach-davinci/dm355.c
10699 views
1
/*
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* TI DaVinci DM355 chip specific setup
3
*
4
* Author: Kevin Hilman, Deep Root Systems, LLC
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*
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* 2007 (c) Deep Root Systems, LLC. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/serial_8250.h>
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#include <linux/platform_device.h>
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#include <linux/dma-mapping.h>
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#include <linux/gpio.h>
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#include <linux/spi/spi.h>
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#include <asm/mach/map.h>
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#include <mach/dm355.h>
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#include <mach/cputype.h>
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#include <mach/edma.h>
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#include <mach/psc.h>
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#include <mach/mux.h>
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#include <mach/irqs.h>
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#include <mach/time.h>
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#include <mach/serial.h>
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#include <mach/common.h>
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#include <mach/asp.h>
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#include <mach/spi.h>
33
34
#include "clock.h"
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#include "mux.h"
36
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#define DM355_UART2_BASE (IO_PHYS + 0x206000)
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/*
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* Device specific clocks
41
*/
42
#define DM355_REF_FREQ 24000000 /* 24 or 36 MHz */
43
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static struct pll_data pll1_data = {
45
.num = 1,
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.phys_base = DAVINCI_PLL1_BASE,
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.flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
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};
49
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static struct pll_data pll2_data = {
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.num = 2,
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.phys_base = DAVINCI_PLL2_BASE,
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.flags = PLL_HAS_PREDIV,
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};
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static struct clk ref_clk = {
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.name = "ref_clk",
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/* FIXME -- crystal rate is board-specific */
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.rate = DM355_REF_FREQ,
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};
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static struct clk pll1_clk = {
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.name = "pll1",
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.parent = &ref_clk,
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.flags = CLK_PLL,
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.pll_data = &pll1_data,
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};
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static struct clk pll1_aux_clk = {
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.name = "pll1_aux_clk",
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.parent = &pll1_clk,
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.flags = CLK_PLL | PRE_PLL,
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};
74
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static struct clk pll1_sysclk1 = {
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.name = "pll1_sysclk1",
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.parent = &pll1_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV1,
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};
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static struct clk pll1_sysclk2 = {
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.name = "pll1_sysclk2",
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.parent = &pll1_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV2,
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};
88
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static struct clk pll1_sysclk3 = {
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.name = "pll1_sysclk3",
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.parent = &pll1_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV3,
94
};
95
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static struct clk pll1_sysclk4 = {
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.name = "pll1_sysclk4",
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.parent = &pll1_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV4,
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};
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static struct clk pll1_sysclkbp = {
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.name = "pll1_sysclkbp",
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.parent = &pll1_clk,
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.flags = CLK_PLL | PRE_PLL,
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.div_reg = BPDIV
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};
109
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static struct clk vpss_dac_clk = {
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.name = "vpss_dac",
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.parent = &pll1_sysclk3,
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.lpsc = DM355_LPSC_VPSS_DAC,
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};
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static struct clk vpss_master_clk = {
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.name = "vpss_master",
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.parent = &pll1_sysclk4,
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.lpsc = DAVINCI_LPSC_VPSSMSTR,
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.flags = CLK_PSC,
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};
122
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static struct clk vpss_slave_clk = {
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.name = "vpss_slave",
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.parent = &pll1_sysclk4,
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.lpsc = DAVINCI_LPSC_VPSSSLV,
127
};
128
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static struct clk clkout1_clk = {
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.name = "clkout1",
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.parent = &pll1_aux_clk,
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/* NOTE: clkout1 can be externally gated by muxing GPIO-18 */
133
};
134
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static struct clk clkout2_clk = {
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.name = "clkout2",
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.parent = &pll1_sysclkbp,
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};
139
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static struct clk pll2_clk = {
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.name = "pll2",
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.parent = &ref_clk,
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.flags = CLK_PLL,
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.pll_data = &pll2_data,
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};
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static struct clk pll2_sysclk1 = {
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.name = "pll2_sysclk1",
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.parent = &pll2_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV1,
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};
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static struct clk pll2_sysclkbp = {
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.name = "pll2_sysclkbp",
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.parent = &pll2_clk,
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.flags = CLK_PLL | PRE_PLL,
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.div_reg = BPDIV
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};
160
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static struct clk clkout3_clk = {
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.name = "clkout3",
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.parent = &pll2_sysclkbp,
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/* NOTE: clkout3 can be externally gated by muxing GPIO-16 */
165
};
166
167
static struct clk arm_clk = {
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.name = "arm_clk",
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.parent = &pll1_sysclk1,
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.lpsc = DAVINCI_LPSC_ARM,
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.flags = ALWAYS_ENABLED,
172
};
173
174
/*
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* NOT LISTED below, and not touched by Linux
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* - in SyncReset state by default
177
* .lpsc = DAVINCI_LPSC_TPCC,
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* .lpsc = DAVINCI_LPSC_TPTC0,
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* .lpsc = DAVINCI_LPSC_TPTC1,
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* .lpsc = DAVINCI_LPSC_DDR_EMIF, .parent = &sysclk2_clk,
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* .lpsc = DAVINCI_LPSC_MEMSTICK,
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* - in Enabled state by default
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* .lpsc = DAVINCI_LPSC_SYSTEM_SUBSYS,
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* .lpsc = DAVINCI_LPSC_SCR2, // "bus"
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* .lpsc = DAVINCI_LPSC_SCR3, // "bus"
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* .lpsc = DAVINCI_LPSC_SCR4, // "bus"
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* .lpsc = DAVINCI_LPSC_CROSSBAR, // "emulation"
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* .lpsc = DAVINCI_LPSC_CFG27, // "test"
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* .lpsc = DAVINCI_LPSC_CFG3, // "test"
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* .lpsc = DAVINCI_LPSC_CFG5, // "test"
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*/
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static struct clk mjcp_clk = {
194
.name = "mjcp",
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.parent = &pll1_sysclk1,
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.lpsc = DAVINCI_LPSC_IMCOP,
197
};
198
199
static struct clk uart0_clk = {
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.name = "uart0",
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.parent = &pll1_aux_clk,
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.lpsc = DAVINCI_LPSC_UART0,
203
};
204
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static struct clk uart1_clk = {
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.name = "uart1",
207
.parent = &pll1_aux_clk,
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.lpsc = DAVINCI_LPSC_UART1,
209
};
210
211
static struct clk uart2_clk = {
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.name = "uart2",
213
.parent = &pll1_sysclk2,
214
.lpsc = DAVINCI_LPSC_UART2,
215
};
216
217
static struct clk i2c_clk = {
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.name = "i2c",
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.parent = &pll1_aux_clk,
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.lpsc = DAVINCI_LPSC_I2C,
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};
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static struct clk asp0_clk = {
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.name = "asp0",
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.parent = &pll1_sysclk2,
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.lpsc = DAVINCI_LPSC_McBSP,
227
};
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static struct clk asp1_clk = {
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.name = "asp1",
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.parent = &pll1_sysclk2,
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.lpsc = DM355_LPSC_McBSP1,
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};
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static struct clk mmcsd0_clk = {
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.name = "mmcsd0",
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.parent = &pll1_sysclk2,
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.lpsc = DAVINCI_LPSC_MMC_SD,
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};
240
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static struct clk mmcsd1_clk = {
242
.name = "mmcsd1",
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.parent = &pll1_sysclk2,
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.lpsc = DM355_LPSC_MMC_SD1,
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};
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247
static struct clk spi0_clk = {
248
.name = "spi0",
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.parent = &pll1_sysclk2,
250
.lpsc = DAVINCI_LPSC_SPI,
251
};
252
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static struct clk spi1_clk = {
254
.name = "spi1",
255
.parent = &pll1_sysclk2,
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.lpsc = DM355_LPSC_SPI1,
257
};
258
259
static struct clk spi2_clk = {
260
.name = "spi2",
261
.parent = &pll1_sysclk2,
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.lpsc = DM355_LPSC_SPI2,
263
};
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static struct clk gpio_clk = {
266
.name = "gpio",
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.parent = &pll1_sysclk2,
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.lpsc = DAVINCI_LPSC_GPIO,
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};
270
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static struct clk aemif_clk = {
272
.name = "aemif",
273
.parent = &pll1_sysclk2,
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.lpsc = DAVINCI_LPSC_AEMIF,
275
};
276
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static struct clk pwm0_clk = {
278
.name = "pwm0",
279
.parent = &pll1_aux_clk,
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.lpsc = DAVINCI_LPSC_PWM0,
281
};
282
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static struct clk pwm1_clk = {
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.name = "pwm1",
285
.parent = &pll1_aux_clk,
286
.lpsc = DAVINCI_LPSC_PWM1,
287
};
288
289
static struct clk pwm2_clk = {
290
.name = "pwm2",
291
.parent = &pll1_aux_clk,
292
.lpsc = DAVINCI_LPSC_PWM2,
293
};
294
295
static struct clk pwm3_clk = {
296
.name = "pwm3",
297
.parent = &pll1_aux_clk,
298
.lpsc = DM355_LPSC_PWM3,
299
};
300
301
static struct clk timer0_clk = {
302
.name = "timer0",
303
.parent = &pll1_aux_clk,
304
.lpsc = DAVINCI_LPSC_TIMER0,
305
};
306
307
static struct clk timer1_clk = {
308
.name = "timer1",
309
.parent = &pll1_aux_clk,
310
.lpsc = DAVINCI_LPSC_TIMER1,
311
};
312
313
static struct clk timer2_clk = {
314
.name = "timer2",
315
.parent = &pll1_aux_clk,
316
.lpsc = DAVINCI_LPSC_TIMER2,
317
.usecount = 1, /* REVISIT: why can't this be disabled? */
318
};
319
320
static struct clk timer3_clk = {
321
.name = "timer3",
322
.parent = &pll1_aux_clk,
323
.lpsc = DM355_LPSC_TIMER3,
324
};
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static struct clk rto_clk = {
327
.name = "rto",
328
.parent = &pll1_aux_clk,
329
.lpsc = DM355_LPSC_RTO,
330
};
331
332
static struct clk usb_clk = {
333
.name = "usb",
334
.parent = &pll1_sysclk2,
335
.lpsc = DAVINCI_LPSC_USB,
336
};
337
338
static struct clk_lookup dm355_clks[] = {
339
CLK(NULL, "ref", &ref_clk),
340
CLK(NULL, "pll1", &pll1_clk),
341
CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
342
CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
343
CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
344
CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
345
CLK(NULL, "pll1_aux", &pll1_aux_clk),
346
CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
347
CLK(NULL, "vpss_dac", &vpss_dac_clk),
348
CLK(NULL, "vpss_master", &vpss_master_clk),
349
CLK(NULL, "vpss_slave", &vpss_slave_clk),
350
CLK(NULL, "clkout1", &clkout1_clk),
351
CLK(NULL, "clkout2", &clkout2_clk),
352
CLK(NULL, "pll2", &pll2_clk),
353
CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
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CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
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CLK(NULL, "clkout3", &clkout3_clk),
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CLK(NULL, "arm", &arm_clk),
357
CLK(NULL, "mjcp", &mjcp_clk),
358
CLK(NULL, "uart0", &uart0_clk),
359
CLK(NULL, "uart1", &uart1_clk),
360
CLK(NULL, "uart2", &uart2_clk),
361
CLK("i2c_davinci.1", NULL, &i2c_clk),
362
CLK("davinci-mcbsp.0", NULL, &asp0_clk),
363
CLK("davinci-mcbsp.1", NULL, &asp1_clk),
364
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
365
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
366
CLK("spi_davinci.0", NULL, &spi0_clk),
367
CLK("spi_davinci.1", NULL, &spi1_clk),
368
CLK("spi_davinci.2", NULL, &spi2_clk),
369
CLK(NULL, "gpio", &gpio_clk),
370
CLK(NULL, "aemif", &aemif_clk),
371
CLK(NULL, "pwm0", &pwm0_clk),
372
CLK(NULL, "pwm1", &pwm1_clk),
373
CLK(NULL, "pwm2", &pwm2_clk),
374
CLK(NULL, "pwm3", &pwm3_clk),
375
CLK(NULL, "timer0", &timer0_clk),
376
CLK(NULL, "timer1", &timer1_clk),
377
CLK("watchdog", NULL, &timer2_clk),
378
CLK(NULL, "timer3", &timer3_clk),
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CLK(NULL, "rto", &rto_clk),
380
CLK(NULL, "usb", &usb_clk),
381
CLK(NULL, NULL, NULL),
382
};
383
384
/*----------------------------------------------------------------------*/
385
386
static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
387
388
static struct resource dm355_spi0_resources[] = {
389
{
390
.start = 0x01c66000,
391
.end = 0x01c667ff,
392
.flags = IORESOURCE_MEM,
393
},
394
{
395
.start = IRQ_DM355_SPINT0_0,
396
.flags = IORESOURCE_IRQ,
397
},
398
{
399
.start = 17,
400
.flags = IORESOURCE_DMA,
401
},
402
{
403
.start = 16,
404
.flags = IORESOURCE_DMA,
405
},
406
};
407
408
static struct davinci_spi_platform_data dm355_spi0_pdata = {
409
.version = SPI_VERSION_1,
410
.num_chipselect = 2,
411
.cshold_bug = true,
412
.dma_event_q = EVENTQ_1,
413
};
414
static struct platform_device dm355_spi0_device = {
415
.name = "spi_davinci",
416
.id = 0,
417
.dev = {
418
.dma_mask = &dm355_spi0_dma_mask,
419
.coherent_dma_mask = DMA_BIT_MASK(32),
420
.platform_data = &dm355_spi0_pdata,
421
},
422
.num_resources = ARRAY_SIZE(dm355_spi0_resources),
423
.resource = dm355_spi0_resources,
424
};
425
426
void __init dm355_init_spi0(unsigned chipselect_mask,
427
struct spi_board_info *info, unsigned len)
428
{
429
/* for now, assume we need MISO */
430
davinci_cfg_reg(DM355_SPI0_SDI);
431
432
/* not all slaves will be wired up */
433
if (chipselect_mask & BIT(0))
434
davinci_cfg_reg(DM355_SPI0_SDENA0);
435
if (chipselect_mask & BIT(1))
436
davinci_cfg_reg(DM355_SPI0_SDENA1);
437
438
spi_register_board_info(info, len);
439
440
platform_device_register(&dm355_spi0_device);
441
}
442
443
/*----------------------------------------------------------------------*/
444
445
#define INTMUX 0x18
446
#define EVTMUX 0x1c
447
448
/*
449
* Device specific mux setup
450
*
451
* soc description mux mode mode mux dbg
452
* reg offset mask mode
453
*/
454
static const struct mux_config dm355_pins[] = {
455
#ifdef CONFIG_DAVINCI_MUX
456
MUX_CFG(DM355, MMCSD0, 4, 2, 1, 0, false)
457
458
MUX_CFG(DM355, SD1_CLK, 3, 6, 1, 1, false)
459
MUX_CFG(DM355, SD1_CMD, 3, 7, 1, 1, false)
460
MUX_CFG(DM355, SD1_DATA3, 3, 8, 3, 1, false)
461
MUX_CFG(DM355, SD1_DATA2, 3, 10, 3, 1, false)
462
MUX_CFG(DM355, SD1_DATA1, 3, 12, 3, 1, false)
463
MUX_CFG(DM355, SD1_DATA0, 3, 14, 3, 1, false)
464
465
MUX_CFG(DM355, I2C_SDA, 3, 19, 1, 1, false)
466
MUX_CFG(DM355, I2C_SCL, 3, 20, 1, 1, false)
467
468
MUX_CFG(DM355, MCBSP0_BDX, 3, 0, 1, 1, false)
469
MUX_CFG(DM355, MCBSP0_X, 3, 1, 1, 1, false)
470
MUX_CFG(DM355, MCBSP0_BFSX, 3, 2, 1, 1, false)
471
MUX_CFG(DM355, MCBSP0_BDR, 3, 3, 1, 1, false)
472
MUX_CFG(DM355, MCBSP0_R, 3, 4, 1, 1, false)
473
MUX_CFG(DM355, MCBSP0_BFSR, 3, 5, 1, 1, false)
474
475
MUX_CFG(DM355, SPI0_SDI, 4, 1, 1, 0, false)
476
MUX_CFG(DM355, SPI0_SDENA0, 4, 0, 1, 0, false)
477
MUX_CFG(DM355, SPI0_SDENA1, 3, 28, 1, 1, false)
478
479
INT_CFG(DM355, INT_EDMA_CC, 2, 1, 1, false)
480
INT_CFG(DM355, INT_EDMA_TC0_ERR, 3, 1, 1, false)
481
INT_CFG(DM355, INT_EDMA_TC1_ERR, 4, 1, 1, false)
482
483
EVT_CFG(DM355, EVT8_ASP1_TX, 0, 1, 0, false)
484
EVT_CFG(DM355, EVT9_ASP1_RX, 1, 1, 0, false)
485
EVT_CFG(DM355, EVT26_MMC0_RX, 2, 1, 0, false)
486
487
MUX_CFG(DM355, VOUT_FIELD, 1, 18, 3, 1, false)
488
MUX_CFG(DM355, VOUT_FIELD_G70, 1, 18, 3, 0, false)
489
MUX_CFG(DM355, VOUT_HVSYNC, 1, 16, 1, 0, false)
490
MUX_CFG(DM355, VOUT_COUTL_EN, 1, 0, 0xff, 0x55, false)
491
MUX_CFG(DM355, VOUT_COUTH_EN, 1, 8, 0xff, 0x55, false)
492
493
MUX_CFG(DM355, VIN_PCLK, 0, 14, 1, 1, false)
494
MUX_CFG(DM355, VIN_CAM_WEN, 0, 13, 1, 1, false)
495
MUX_CFG(DM355, VIN_CAM_VD, 0, 12, 1, 1, false)
496
MUX_CFG(DM355, VIN_CAM_HD, 0, 11, 1, 1, false)
497
MUX_CFG(DM355, VIN_YIN_EN, 0, 10, 1, 1, false)
498
MUX_CFG(DM355, VIN_CINL_EN, 0, 0, 0xff, 0x55, false)
499
MUX_CFG(DM355, VIN_CINH_EN, 0, 8, 3, 3, false)
500
#endif
501
};
502
503
static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
504
[IRQ_DM355_CCDC_VDINT0] = 2,
505
[IRQ_DM355_CCDC_VDINT1] = 6,
506
[IRQ_DM355_CCDC_VDINT2] = 6,
507
[IRQ_DM355_IPIPE_HST] = 6,
508
[IRQ_DM355_H3AINT] = 6,
509
[IRQ_DM355_IPIPE_SDR] = 6,
510
[IRQ_DM355_IPIPEIFINT] = 6,
511
[IRQ_DM355_OSDINT] = 7,
512
[IRQ_DM355_VENCINT] = 6,
513
[IRQ_ASQINT] = 6,
514
[IRQ_IMXINT] = 6,
515
[IRQ_USBINT] = 4,
516
[IRQ_DM355_RTOINT] = 4,
517
[IRQ_DM355_UARTINT2] = 7,
518
[IRQ_DM355_TINT6] = 7,
519
[IRQ_CCINT0] = 5, /* dma */
520
[IRQ_CCERRINT] = 5, /* dma */
521
[IRQ_TCERRINT0] = 5, /* dma */
522
[IRQ_TCERRINT] = 5, /* dma */
523
[IRQ_DM355_SPINT2_1] = 7,
524
[IRQ_DM355_TINT7] = 4,
525
[IRQ_DM355_SDIOINT0] = 7,
526
[IRQ_MBXINT] = 7,
527
[IRQ_MBRINT] = 7,
528
[IRQ_MMCINT] = 7,
529
[IRQ_DM355_MMCINT1] = 7,
530
[IRQ_DM355_PWMINT3] = 7,
531
[IRQ_DDRINT] = 7,
532
[IRQ_AEMIFINT] = 7,
533
[IRQ_DM355_SDIOINT1] = 4,
534
[IRQ_TINT0_TINT12] = 2, /* clockevent */
535
[IRQ_TINT0_TINT34] = 2, /* clocksource */
536
[IRQ_TINT1_TINT12] = 7, /* DSP timer */
537
[IRQ_TINT1_TINT34] = 7, /* system tick */
538
[IRQ_PWMINT0] = 7,
539
[IRQ_PWMINT1] = 7,
540
[IRQ_PWMINT2] = 7,
541
[IRQ_I2C] = 3,
542
[IRQ_UARTINT0] = 3,
543
[IRQ_UARTINT1] = 3,
544
[IRQ_DM355_SPINT0_0] = 3,
545
[IRQ_DM355_SPINT0_1] = 3,
546
[IRQ_DM355_GPIO0] = 3,
547
[IRQ_DM355_GPIO1] = 7,
548
[IRQ_DM355_GPIO2] = 4,
549
[IRQ_DM355_GPIO3] = 4,
550
[IRQ_DM355_GPIO4] = 7,
551
[IRQ_DM355_GPIO5] = 7,
552
[IRQ_DM355_GPIO6] = 7,
553
[IRQ_DM355_GPIO7] = 7,
554
[IRQ_DM355_GPIO8] = 7,
555
[IRQ_DM355_GPIO9] = 7,
556
[IRQ_DM355_GPIOBNK0] = 7,
557
[IRQ_DM355_GPIOBNK1] = 7,
558
[IRQ_DM355_GPIOBNK2] = 7,
559
[IRQ_DM355_GPIOBNK3] = 7,
560
[IRQ_DM355_GPIOBNK4] = 7,
561
[IRQ_DM355_GPIOBNK5] = 7,
562
[IRQ_DM355_GPIOBNK6] = 7,
563
[IRQ_COMMTX] = 7,
564
[IRQ_COMMRX] = 7,
565
[IRQ_EMUINT] = 7,
566
};
567
568
/*----------------------------------------------------------------------*/
569
570
static const s8
571
queue_tc_mapping[][2] = {
572
/* {event queue no, TC no} */
573
{0, 0},
574
{1, 1},
575
{-1, -1},
576
};
577
578
static const s8
579
queue_priority_mapping[][2] = {
580
/* {event queue no, Priority} */
581
{0, 3},
582
{1, 7},
583
{-1, -1},
584
};
585
586
static struct edma_soc_info edma_cc0_info = {
587
.n_channel = 64,
588
.n_region = 4,
589
.n_slot = 128,
590
.n_tc = 2,
591
.n_cc = 1,
592
.queue_tc_mapping = queue_tc_mapping,
593
.queue_priority_mapping = queue_priority_mapping,
594
};
595
596
static struct edma_soc_info *dm355_edma_info[EDMA_MAX_CC] = {
597
&edma_cc0_info,
598
};
599
600
static struct resource edma_resources[] = {
601
{
602
.name = "edma_cc0",
603
.start = 0x01c00000,
604
.end = 0x01c00000 + SZ_64K - 1,
605
.flags = IORESOURCE_MEM,
606
},
607
{
608
.name = "edma_tc0",
609
.start = 0x01c10000,
610
.end = 0x01c10000 + SZ_1K - 1,
611
.flags = IORESOURCE_MEM,
612
},
613
{
614
.name = "edma_tc1",
615
.start = 0x01c10400,
616
.end = 0x01c10400 + SZ_1K - 1,
617
.flags = IORESOURCE_MEM,
618
},
619
{
620
.name = "edma0",
621
.start = IRQ_CCINT0,
622
.flags = IORESOURCE_IRQ,
623
},
624
{
625
.name = "edma0_err",
626
.start = IRQ_CCERRINT,
627
.flags = IORESOURCE_IRQ,
628
},
629
/* not using (or muxing) TC*_ERR */
630
};
631
632
static struct platform_device dm355_edma_device = {
633
.name = "edma",
634
.id = 0,
635
.dev.platform_data = dm355_edma_info,
636
.num_resources = ARRAY_SIZE(edma_resources),
637
.resource = edma_resources,
638
};
639
640
static struct resource dm355_asp1_resources[] = {
641
{
642
.start = DAVINCI_ASP1_BASE,
643
.end = DAVINCI_ASP1_BASE + SZ_8K - 1,
644
.flags = IORESOURCE_MEM,
645
},
646
{
647
.start = DAVINCI_DMA_ASP1_TX,
648
.end = DAVINCI_DMA_ASP1_TX,
649
.flags = IORESOURCE_DMA,
650
},
651
{
652
.start = DAVINCI_DMA_ASP1_RX,
653
.end = DAVINCI_DMA_ASP1_RX,
654
.flags = IORESOURCE_DMA,
655
},
656
};
657
658
static struct platform_device dm355_asp1_device = {
659
.name = "davinci-mcbsp",
660
.id = 1,
661
.num_resources = ARRAY_SIZE(dm355_asp1_resources),
662
.resource = dm355_asp1_resources,
663
};
664
665
static void dm355_ccdc_setup_pinmux(void)
666
{
667
davinci_cfg_reg(DM355_VIN_PCLK);
668
davinci_cfg_reg(DM355_VIN_CAM_WEN);
669
davinci_cfg_reg(DM355_VIN_CAM_VD);
670
davinci_cfg_reg(DM355_VIN_CAM_HD);
671
davinci_cfg_reg(DM355_VIN_YIN_EN);
672
davinci_cfg_reg(DM355_VIN_CINL_EN);
673
davinci_cfg_reg(DM355_VIN_CINH_EN);
674
}
675
676
static struct resource dm355_vpss_resources[] = {
677
{
678
/* VPSS BL Base address */
679
.name = "vpss",
680
.start = 0x01c70800,
681
.end = 0x01c70800 + 0xff,
682
.flags = IORESOURCE_MEM,
683
},
684
{
685
/* VPSS CLK Base address */
686
.name = "vpss",
687
.start = 0x01c70000,
688
.end = 0x01c70000 + 0xf,
689
.flags = IORESOURCE_MEM,
690
},
691
};
692
693
static struct platform_device dm355_vpss_device = {
694
.name = "vpss",
695
.id = -1,
696
.dev.platform_data = "dm355_vpss",
697
.num_resources = ARRAY_SIZE(dm355_vpss_resources),
698
.resource = dm355_vpss_resources,
699
};
700
701
static struct resource vpfe_resources[] = {
702
{
703
.start = IRQ_VDINT0,
704
.end = IRQ_VDINT0,
705
.flags = IORESOURCE_IRQ,
706
},
707
{
708
.start = IRQ_VDINT1,
709
.end = IRQ_VDINT1,
710
.flags = IORESOURCE_IRQ,
711
},
712
};
713
714
static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
715
static struct resource dm355_ccdc_resource[] = {
716
/* CCDC Base address */
717
{
718
.flags = IORESOURCE_MEM,
719
.start = 0x01c70600,
720
.end = 0x01c70600 + 0x1ff,
721
},
722
};
723
static struct platform_device dm355_ccdc_dev = {
724
.name = "dm355_ccdc",
725
.id = -1,
726
.num_resources = ARRAY_SIZE(dm355_ccdc_resource),
727
.resource = dm355_ccdc_resource,
728
.dev = {
729
.dma_mask = &vpfe_capture_dma_mask,
730
.coherent_dma_mask = DMA_BIT_MASK(32),
731
.platform_data = dm355_ccdc_setup_pinmux,
732
},
733
};
734
735
static struct platform_device vpfe_capture_dev = {
736
.name = CAPTURE_DRV_NAME,
737
.id = -1,
738
.num_resources = ARRAY_SIZE(vpfe_resources),
739
.resource = vpfe_resources,
740
.dev = {
741
.dma_mask = &vpfe_capture_dma_mask,
742
.coherent_dma_mask = DMA_BIT_MASK(32),
743
},
744
};
745
746
void dm355_set_vpfe_config(struct vpfe_config *cfg)
747
{
748
vpfe_capture_dev.dev.platform_data = cfg;
749
}
750
751
/*----------------------------------------------------------------------*/
752
753
static struct map_desc dm355_io_desc[] = {
754
{
755
.virtual = IO_VIRT,
756
.pfn = __phys_to_pfn(IO_PHYS),
757
.length = IO_SIZE,
758
.type = MT_DEVICE
759
},
760
{
761
.virtual = SRAM_VIRT,
762
.pfn = __phys_to_pfn(0x00010000),
763
.length = SZ_32K,
764
.type = MT_MEMORY_NONCACHED,
765
},
766
};
767
768
/* Contents of JTAG ID register used to identify exact cpu type */
769
static struct davinci_id dm355_ids[] = {
770
{
771
.variant = 0x0,
772
.part_no = 0xb73b,
773
.manufacturer = 0x00f,
774
.cpu_id = DAVINCI_CPU_ID_DM355,
775
.name = "dm355",
776
},
777
};
778
779
static u32 dm355_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
780
781
/*
782
* T0_BOT: Timer 0, bottom: clockevent source for hrtimers
783
* T0_TOP: Timer 0, top : clocksource for generic timekeeping
784
* T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
785
* T1_TOP: Timer 1, top : <unused>
786
*/
787
static struct davinci_timer_info dm355_timer_info = {
788
.timers = davinci_timer_instance,
789
.clockevent_id = T0_BOT,
790
.clocksource_id = T0_TOP,
791
};
792
793
static struct plat_serial8250_port dm355_serial_platform_data[] = {
794
{
795
.mapbase = DAVINCI_UART0_BASE,
796
.irq = IRQ_UARTINT0,
797
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
798
UPF_IOREMAP,
799
.iotype = UPIO_MEM,
800
.regshift = 2,
801
},
802
{
803
.mapbase = DAVINCI_UART1_BASE,
804
.irq = IRQ_UARTINT1,
805
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
806
UPF_IOREMAP,
807
.iotype = UPIO_MEM,
808
.regshift = 2,
809
},
810
{
811
.mapbase = DM355_UART2_BASE,
812
.irq = IRQ_DM355_UARTINT2,
813
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
814
UPF_IOREMAP,
815
.iotype = UPIO_MEM,
816
.regshift = 2,
817
},
818
{
819
.flags = 0
820
},
821
};
822
823
static struct platform_device dm355_serial_device = {
824
.name = "serial8250",
825
.id = PLAT8250_DEV_PLATFORM,
826
.dev = {
827
.platform_data = dm355_serial_platform_data,
828
},
829
};
830
831
static struct davinci_soc_info davinci_soc_info_dm355 = {
832
.io_desc = dm355_io_desc,
833
.io_desc_num = ARRAY_SIZE(dm355_io_desc),
834
.jtag_id_reg = 0x01c40028,
835
.ids = dm355_ids,
836
.ids_num = ARRAY_SIZE(dm355_ids),
837
.cpu_clks = dm355_clks,
838
.psc_bases = dm355_psc_bases,
839
.psc_bases_num = ARRAY_SIZE(dm355_psc_bases),
840
.pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
841
.pinmux_pins = dm355_pins,
842
.pinmux_pins_num = ARRAY_SIZE(dm355_pins),
843
.intc_base = DAVINCI_ARM_INTC_BASE,
844
.intc_type = DAVINCI_INTC_TYPE_AINTC,
845
.intc_irq_prios = dm355_default_priorities,
846
.intc_irq_num = DAVINCI_N_AINTC_IRQ,
847
.timer_info = &dm355_timer_info,
848
.gpio_type = GPIO_TYPE_DAVINCI,
849
.gpio_base = DAVINCI_GPIO_BASE,
850
.gpio_num = 104,
851
.gpio_irq = IRQ_DM355_GPIOBNK0,
852
.serial_dev = &dm355_serial_device,
853
.sram_dma = 0x00010000,
854
.sram_len = SZ_32K,
855
.reset_device = &davinci_wdt_device,
856
};
857
858
void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata)
859
{
860
/* we don't use ASP1 IRQs, or we'd need to mux them ... */
861
if (evt_enable & ASP1_TX_EVT_EN)
862
davinci_cfg_reg(DM355_EVT8_ASP1_TX);
863
864
if (evt_enable & ASP1_RX_EVT_EN)
865
davinci_cfg_reg(DM355_EVT9_ASP1_RX);
866
867
dm355_asp1_device.dev.platform_data = pdata;
868
platform_device_register(&dm355_asp1_device);
869
}
870
871
void __init dm355_init(void)
872
{
873
davinci_common_init(&davinci_soc_info_dm355);
874
}
875
876
static int __init dm355_init_devices(void)
877
{
878
if (!cpu_is_davinci_dm355())
879
return 0;
880
881
/* Add ccdc clock aliases */
882
clk_add_alias("master", dm355_ccdc_dev.name, "vpss_master", NULL);
883
clk_add_alias("slave", dm355_ccdc_dev.name, "vpss_master", NULL);
884
davinci_cfg_reg(DM355_INT_EDMA_CC);
885
platform_device_register(&dm355_edma_device);
886
platform_device_register(&dm355_vpss_device);
887
platform_device_register(&dm355_ccdc_dev);
888
platform_device_register(&vpfe_capture_dev);
889
890
return 0;
891
}
892
postcore_initcall(dm355_init_devices);
893
894