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-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c85
-rw-r--r--arch/arm/mach-davinci/da850.c31
-rw-r--r--arch/arm/mach-davinci/include/mach/da8xx.h3
-rw-r--r--arch/arm/mach-davinci/include/mach/mux.h16
4 files changed, 135 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index eb998ce6d465..62d37cb6f29d 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -18,6 +18,10 @@
18#include <linux/i2c.h> 18#include <linux/i2c.h>
19#include <linux/i2c/at24.h> 19#include <linux/i2c/at24.h>
20#include <linux/gpio.h> 20#include <linux/gpio.h>
21#include <linux/platform_device.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/nand.h>
24#include <linux/mtd/partitions.h>
21 25
22#include <asm/mach-types.h> 26#include <asm/mach-types.h>
23#include <asm/mach/arch.h> 27#include <asm/mach/arch.h>
@@ -26,6 +30,7 @@
26#include <mach/irqs.h> 30#include <mach/irqs.h>
27#include <mach/cp_intc.h> 31#include <mach/cp_intc.h>
28#include <mach/da8xx.h> 32#include <mach/da8xx.h>
33#include <mach/nand.h>
29 34
30#define DA850_EVM_PHY_MASK 0x1 35#define DA850_EVM_PHY_MASK 0x1
31#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */ 36#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
@@ -36,6 +41,74 @@
36#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0) 41#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
37#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1) 42#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
38 43
44/* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
45 * (128K blocks). It may be used instead of the (default) SPI flash
46 * to boot, using TI's tools to install the secondary boot loader
47 * (UBL) and U-Boot.
48 */
49struct mtd_partition da850_evm_nandflash_partition[] = {
50 {
51 .name = "u-boot env",
52 .offset = 0,
53 .size = SZ_128K,
54 .mask_flags = MTD_WRITEABLE,
55 },
56 {
57 .name = "UBL",
58 .offset = MTDPART_OFS_APPEND,
59 .size = SZ_128K,
60 .mask_flags = MTD_WRITEABLE,
61 },
62 {
63 .name = "u-boot",
64 .offset = MTDPART_OFS_APPEND,
65 .size = 4 * SZ_128K,
66 .mask_flags = MTD_WRITEABLE,
67 },
68 {
69 .name = "kernel",
70 .offset = 0x200000,
71 .size = SZ_2M,
72 .mask_flags = 0,
73 },
74 {
75 .name = "filesystem",
76 .offset = MTDPART_OFS_APPEND,
77 .size = MTDPART_SIZ_FULL,
78 .mask_flags = 0,
79 },
80};
81
82static struct davinci_nand_pdata da850_evm_nandflash_data = {
83 .parts = da850_evm_nandflash_partition,
84 .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
85 .ecc_mode = NAND_ECC_HW,
86 .options = NAND_USE_FLASH_BBT,
87};
88
89static struct resource da850_evm_nandflash_resource[] = {
90 {
91 .start = DA8XX_AEMIF_CS3_BASE,
92 .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
93 .flags = IORESOURCE_MEM,
94 },
95 {
96 .start = DA8XX_AEMIF_CTL_BASE,
97 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
98 .flags = IORESOURCE_MEM,
99 },
100};
101
102static struct platform_device da850_evm_nandflash_device = {
103 .name = "davinci_nand",
104 .id = 1,
105 .dev = {
106 .platform_data = &da850_evm_nandflash_data,
107 },
108 .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource),
109 .resource = da850_evm_nandflash_resource,
110};
111
39static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = { 112static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
40 .bus_freq = 100, /* kHz */ 113 .bus_freq = 100, /* kHz */
41 .bus_delay = 0, /* usec */ 114 .bus_delay = 0, /* usec */
@@ -45,6 +118,10 @@ static struct davinci_uart_config da850_evm_uart_config __initdata = {
45 .enabled_uarts = 0x7, 118 .enabled_uarts = 0x7,
46}; 119};
47 120
121static struct platform_device *da850_evm_devices[] __initdata = {
122 &da850_evm_nandflash_device,
123};
124
48/* davinci da850 evm audio machine driver */ 125/* davinci da850 evm audio machine driver */
49static u8 da850_iis_serializer_direction[] = { 126static u8 da850_iis_serializer_direction[] = {
50 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, 127 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
@@ -120,6 +197,14 @@ static __init void da850_evm_init(void)
120 struct davinci_soc_info *soc_info = &davinci_soc_info; 197 struct davinci_soc_info *soc_info = &davinci_soc_info;
121 int ret; 198 int ret;
122 199
200 ret = da8xx_pinmux_setup(da850_nand_pins);
201 if (ret)
202 pr_warning("da850_evm_init: nand mux setup failed: %d\n",
203 ret);
204
205 platform_add_devices(da850_evm_devices,
206 ARRAY_SIZE(da850_evm_devices));
207
123 ret = da8xx_register_edma(); 208 ret = da8xx_register_edma();
124 if (ret) 209 if (ret)
125 pr_warning("da850_evm_init: edma registration failed: %d\n", 210 pr_warning("da850_evm_init: edma registration failed: %d\n",
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 9debd57deb71..db4209413450 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -310,6 +310,13 @@ static struct clk mmcsd_clk = {
310 .lpsc = DA8XX_LPSC0_MMC_SD, 310 .lpsc = DA8XX_LPSC0_MMC_SD,
311}; 311};
312 312
313static struct clk aemif_clk = {
314 .name = "aemif",
315 .parent = &pll0_sysclk3,
316 .lpsc = DA8XX_LPSC0_EMIF25,
317 .flags = ALWAYS_ENABLED,
318};
319
313static struct davinci_clk da850_clks[] = { 320static struct davinci_clk da850_clks[] = {
314 CLK(NULL, "ref", &ref_clk), 321 CLK(NULL, "ref", &ref_clk),
315 CLK(NULL, "pll0", &pll0_clk), 322 CLK(NULL, "pll0", &pll0_clk),
@@ -350,6 +357,7 @@ static struct davinci_clk da850_clks[] = {
350 CLK("davinci-mcasp.0", NULL, &mcasp_clk), 357 CLK("davinci-mcasp.0", NULL, &mcasp_clk),
351 CLK("da8xx_lcdc.0", NULL, &lcdc_clk), 358 CLK("da8xx_lcdc.0", NULL, &lcdc_clk),
352 CLK("davinci_mmc.0", NULL, &mmcsd_clk), 359 CLK("davinci_mmc.0", NULL, &mmcsd_clk),
360 CLK(NULL, "aemif", &aemif_clk),
353 CLK(NULL, NULL, NULL), 361 CLK(NULL, NULL, NULL),
354}; 362};
355 363
@@ -448,6 +456,21 @@ static const struct mux_config da850_pins[] = {
448 MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false) 456 MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false)
449 MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false) 457 MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false)
450 MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false) 458 MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false)
459 /* EMIF2.5/EMIFA function */
460 MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false)
461 MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false)
462 MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false)
463 MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false)
464 MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false)
465 MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false)
466 MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false)
467 MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false)
468 MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false)
469 MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false)
470 MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false)
471 MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false)
472 MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false)
473 MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false)
451 /* GPIO function */ 474 /* GPIO function */
452 MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false) 475 MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
453 MUX_CFG(DA850, GPIO8_10, 18, 28, 15, 8, false) 476 MUX_CFG(DA850, GPIO8_10, 18, 28, 15, 8, false)
@@ -514,6 +537,14 @@ const short da850_mmcsd0_pins[] __initdata = {
514 -1 537 -1
515}; 538};
516 539
540const short da850_nand_pins[] __initdata = {
541 DA850_EMA_D_7, DA850_EMA_D_6, DA850_EMA_D_5, DA850_EMA_D_4,
542 DA850_EMA_D_3, DA850_EMA_D_2, DA850_EMA_D_1, DA850_EMA_D_0,
543 DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
544 DA850_NEMA_WE, DA850_NEMA_OE,
545 -1
546};
547
517/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ 548/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
518static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = { 549static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
519 [IRQ_DA8XX_COMMTX] = 7, 550 [IRQ_DA8XX_COMMTX] = 7,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 0af141ffc3b4..77e5d2398e21 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -40,6 +40,8 @@
40#define DA8XX_PSC1_BASE 0x01e27000 40#define DA8XX_PSC1_BASE 0x01e27000
41#define DA8XX_LCD_CNTRL_BASE 0x01e13000 41#define DA8XX_LCD_CNTRL_BASE 0x01e13000
42#define DA8XX_MMCSD0_BASE 0x01c40000 42#define DA8XX_MMCSD0_BASE 0x01c40000
43#define DA8XX_AEMIF_CS3_BASE 0x62000000
44#define DA8XX_AEMIF_CTL_BASE 0x68000000
43 45
44#define PINMUX0 0x00 46#define PINMUX0 0x00
45#define PINMUX1 0x04 47#define PINMUX1 0x04
@@ -110,6 +112,7 @@ extern const short da850_cpgmac_pins[];
110extern const short da850_mcasp_pins[]; 112extern const short da850_mcasp_pins[];
111extern const short da850_lcdcntl_pins[]; 113extern const short da850_lcdcntl_pins[];
112extern const short da850_mmcsd0_pins[]; 114extern const short da850_mmcsd0_pins[];
115extern const short da850_nand_pins[];
113 116
114int da8xx_pinmux_setup(const short pins[]); 117int da8xx_pinmux_setup(const short pins[]);
115 118
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index b2335640c222..ee6f29db4452 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -806,6 +806,22 @@ enum davinci_da850_index {
806 DA850_MMCSD0_CLK, 806 DA850_MMCSD0_CLK,
807 DA850_MMCSD0_CMD, 807 DA850_MMCSD0_CMD,
808 808
809 /* EMIF2.5/EMIFA function */
810 DA850_EMA_D_7,
811 DA850_EMA_D_6,
812 DA850_EMA_D_5,
813 DA850_EMA_D_4,
814 DA850_EMA_D_3,
815 DA850_EMA_D_2,
816 DA850_EMA_D_1,
817 DA850_EMA_D_0,
818 DA850_EMA_A_1,
819 DA850_EMA_A_2,
820 DA850_NEMA_CS_3,
821 DA850_NEMA_CS_4,
822 DA850_NEMA_WE,
823 DA850_NEMA_OE,
824
809 /* GPIO function */ 825 /* GPIO function */
810 DA850_GPIO2_15, 826 DA850_GPIO2_15,
811 DA850_GPIO8_10, 827 DA850_GPIO8_10,