diff options
Diffstat (limited to 'arch/avr32/mach-at32ap/at32ap700x.c')
-rw-r--r-- | arch/avr32/mach-at32ap/at32ap700x.c | 252 |
1 files changed, 199 insertions, 53 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index 0f24b4f85c17..07b21b121eef 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c | |||
@@ -20,6 +20,7 @@ | |||
20 | #include <asm/arch/at32ap700x.h> | 20 | #include <asm/arch/at32ap700x.h> |
21 | #include <asm/arch/board.h> | 21 | #include <asm/arch/board.h> |
22 | #include <asm/arch/portmux.h> | 22 | #include <asm/arch/portmux.h> |
23 | #include <asm/arch/sram.h> | ||
23 | 24 | ||
24 | #include <video/atmel_lcdc.h> | 25 | #include <video/atmel_lcdc.h> |
25 | 26 | ||
@@ -93,19 +94,12 @@ static struct clk devname##_##_name = { \ | |||
93 | 94 | ||
94 | static DEFINE_SPINLOCK(pm_lock); | 95 | static DEFINE_SPINLOCK(pm_lock); |
95 | 96 | ||
96 | unsigned long at32ap7000_osc_rates[3] = { | ||
97 | [0] = 32768, | ||
98 | /* FIXME: these are ATSTK1002-specific */ | ||
99 | [1] = 20000000, | ||
100 | [2] = 12000000, | ||
101 | }; | ||
102 | |||
103 | static struct clk osc0; | 97 | static struct clk osc0; |
104 | static struct clk osc1; | 98 | static struct clk osc1; |
105 | 99 | ||
106 | static unsigned long osc_get_rate(struct clk *clk) | 100 | static unsigned long osc_get_rate(struct clk *clk) |
107 | { | 101 | { |
108 | return at32ap7000_osc_rates[clk->index]; | 102 | return at32_board_osc_rates[clk->index]; |
109 | } | 103 | } |
110 | 104 | ||
111 | static unsigned long pll_get_rate(struct clk *clk, unsigned long control) | 105 | static unsigned long pll_get_rate(struct clk *clk, unsigned long control) |
@@ -682,6 +676,14 @@ static struct clk hramc_clk = { | |||
682 | .users = 1, | 676 | .users = 1, |
683 | .index = 3, | 677 | .index = 3, |
684 | }; | 678 | }; |
679 | static struct clk sdramc_clk = { | ||
680 | .name = "sdramc_clk", | ||
681 | .parent = &pbb_clk, | ||
682 | .mode = pbb_clk_mode, | ||
683 | .get_rate = pbb_clk_get_rate, | ||
684 | .users = 1, | ||
685 | .index = 14, | ||
686 | }; | ||
685 | 687 | ||
686 | static struct resource smc0_resource[] = { | 688 | static struct resource smc0_resource[] = { |
687 | PBMEM(0xfff03400), | 689 | PBMEM(0xfff03400), |
@@ -841,6 +843,81 @@ void __init at32_add_system_devices(void) | |||
841 | } | 843 | } |
842 | 844 | ||
843 | /* -------------------------------------------------------------------- | 845 | /* -------------------------------------------------------------------- |
846 | * PSIF | ||
847 | * -------------------------------------------------------------------- */ | ||
848 | static struct resource atmel_psif0_resource[] __initdata = { | ||
849 | { | ||
850 | .start = 0xffe03c00, | ||
851 | .end = 0xffe03cff, | ||
852 | .flags = IORESOURCE_MEM, | ||
853 | }, | ||
854 | IRQ(18), | ||
855 | }; | ||
856 | static struct clk atmel_psif0_pclk = { | ||
857 | .name = "pclk", | ||
858 | .parent = &pba_clk, | ||
859 | .mode = pba_clk_mode, | ||
860 | .get_rate = pba_clk_get_rate, | ||
861 | .index = 15, | ||
862 | }; | ||
863 | |||
864 | static struct resource atmel_psif1_resource[] __initdata = { | ||
865 | { | ||
866 | .start = 0xffe03d00, | ||
867 | .end = 0xffe03dff, | ||
868 | .flags = IORESOURCE_MEM, | ||
869 | }, | ||
870 | IRQ(18), | ||
871 | }; | ||
872 | static struct clk atmel_psif1_pclk = { | ||
873 | .name = "pclk", | ||
874 | .parent = &pba_clk, | ||
875 | .mode = pba_clk_mode, | ||
876 | .get_rate = pba_clk_get_rate, | ||
877 | .index = 15, | ||
878 | }; | ||
879 | |||
880 | struct platform_device *__init at32_add_device_psif(unsigned int id) | ||
881 | { | ||
882 | struct platform_device *pdev; | ||
883 | |||
884 | if (!(id == 0 || id == 1)) | ||
885 | return NULL; | ||
886 | |||
887 | pdev = platform_device_alloc("atmel_psif", id); | ||
888 | if (!pdev) | ||
889 | return NULL; | ||
890 | |||
891 | switch (id) { | ||
892 | case 0: | ||
893 | if (platform_device_add_resources(pdev, atmel_psif0_resource, | ||
894 | ARRAY_SIZE(atmel_psif0_resource))) | ||
895 | goto err_add_resources; | ||
896 | atmel_psif0_pclk.dev = &pdev->dev; | ||
897 | select_peripheral(PA(8), PERIPH_A, 0); /* CLOCK */ | ||
898 | select_peripheral(PA(9), PERIPH_A, 0); /* DATA */ | ||
899 | break; | ||
900 | case 1: | ||
901 | if (platform_device_add_resources(pdev, atmel_psif1_resource, | ||
902 | ARRAY_SIZE(atmel_psif1_resource))) | ||
903 | goto err_add_resources; | ||
904 | atmel_psif1_pclk.dev = &pdev->dev; | ||
905 | select_peripheral(PB(11), PERIPH_A, 0); /* CLOCK */ | ||
906 | select_peripheral(PB(12), PERIPH_A, 0); /* DATA */ | ||
907 | break; | ||
908 | default: | ||
909 | return NULL; | ||
910 | } | ||
911 | |||
912 | platform_device_add(pdev); | ||
913 | return pdev; | ||
914 | |||
915 | err_add_resources: | ||
916 | platform_device_put(pdev); | ||
917 | return NULL; | ||
918 | } | ||
919 | |||
920 | /* -------------------------------------------------------------------- | ||
844 | * USART | 921 | * USART |
845 | * -------------------------------------------------------------------- */ | 922 | * -------------------------------------------------------------------- */ |
846 | 923 | ||
@@ -1113,7 +1190,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n) | |||
1113 | switch (id) { | 1190 | switch (id) { |
1114 | case 0: | 1191 | case 0: |
1115 | pdev = &atmel_spi0_device; | 1192 | pdev = &atmel_spi0_device; |
1116 | select_peripheral(PA(0), PERIPH_A, 0); /* MISO */ | 1193 | /* pullup MISO so a level is always defined */ |
1194 | select_peripheral(PA(0), PERIPH_A, AT32_GPIOF_PULLUP); | ||
1117 | select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */ | 1195 | select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */ |
1118 | select_peripheral(PA(2), PERIPH_A, 0); /* SCK */ | 1196 | select_peripheral(PA(2), PERIPH_A, 0); /* SCK */ |
1119 | at32_spi_setup_slaves(0, b, n, spi0_pins); | 1197 | at32_spi_setup_slaves(0, b, n, spi0_pins); |
@@ -1121,7 +1199,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n) | |||
1121 | 1199 | ||
1122 | case 1: | 1200 | case 1: |
1123 | pdev = &atmel_spi1_device; | 1201 | pdev = &atmel_spi1_device; |
1124 | select_peripheral(PB(0), PERIPH_B, 0); /* MISO */ | 1202 | /* pullup MISO so a level is always defined */ |
1203 | select_peripheral(PB(0), PERIPH_B, AT32_GPIOF_PULLUP); | ||
1125 | select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */ | 1204 | select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */ |
1126 | select_peripheral(PB(5), PERIPH_B, 0); /* SCK */ | 1205 | select_peripheral(PB(5), PERIPH_B, 0); /* SCK */ |
1127 | at32_spi_setup_slaves(1, b, n, spi1_pins); | 1206 | at32_spi_setup_slaves(1, b, n, spi1_pins); |
@@ -1264,7 +1343,8 @@ static struct clk atmel_lcdfb0_pixclk = { | |||
1264 | 1343 | ||
1265 | struct platform_device *__init | 1344 | struct platform_device *__init |
1266 | at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, | 1345 | at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, |
1267 | unsigned long fbmem_start, unsigned long fbmem_len) | 1346 | unsigned long fbmem_start, unsigned long fbmem_len, |
1347 | unsigned int pin_config) | ||
1268 | { | 1348 | { |
1269 | struct platform_device *pdev; | 1349 | struct platform_device *pdev; |
1270 | struct atmel_lcdfb_info *info; | 1350 | struct atmel_lcdfb_info *info; |
@@ -1291,37 +1371,77 @@ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, | |||
1291 | switch (id) { | 1371 | switch (id) { |
1292 | case 0: | 1372 | case 0: |
1293 | pdev = &atmel_lcdfb0_device; | 1373 | pdev = &atmel_lcdfb0_device; |
1294 | select_peripheral(PC(19), PERIPH_A, 0); /* CC */ | 1374 | |
1295 | select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ | 1375 | switch (pin_config) { |
1296 | select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ | 1376 | case 0: |
1297 | select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ | 1377 | select_peripheral(PC(19), PERIPH_A, 0); /* CC */ |
1298 | select_peripheral(PC(23), PERIPH_A, 0); /* DVAL */ | 1378 | select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ |
1299 | select_peripheral(PC(24), PERIPH_A, 0); /* MODE */ | 1379 | select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ |
1300 | select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ | 1380 | select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ |
1301 | select_peripheral(PC(26), PERIPH_A, 0); /* DATA0 */ | 1381 | select_peripheral(PC(23), PERIPH_A, 0); /* DVAL */ |
1302 | select_peripheral(PC(27), PERIPH_A, 0); /* DATA1 */ | 1382 | select_peripheral(PC(24), PERIPH_A, 0); /* MODE */ |
1303 | select_peripheral(PC(28), PERIPH_A, 0); /* DATA2 */ | 1383 | select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ |
1304 | select_peripheral(PC(29), PERIPH_A, 0); /* DATA3 */ | 1384 | select_peripheral(PC(26), PERIPH_A, 0); /* DATA0 */ |
1305 | select_peripheral(PC(30), PERIPH_A, 0); /* DATA4 */ | 1385 | select_peripheral(PC(27), PERIPH_A, 0); /* DATA1 */ |
1306 | select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ | 1386 | select_peripheral(PC(28), PERIPH_A, 0); /* DATA2 */ |
1307 | select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ | 1387 | select_peripheral(PC(29), PERIPH_A, 0); /* DATA3 */ |
1308 | select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ | 1388 | select_peripheral(PC(30), PERIPH_A, 0); /* DATA4 */ |
1309 | select_peripheral(PD(2), PERIPH_A, 0); /* DATA8 */ | 1389 | select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ |
1310 | select_peripheral(PD(3), PERIPH_A, 0); /* DATA9 */ | 1390 | select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ |
1311 | select_peripheral(PD(4), PERIPH_A, 0); /* DATA10 */ | 1391 | select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ |
1312 | select_peripheral(PD(5), PERIPH_A, 0); /* DATA11 */ | 1392 | select_peripheral(PD(2), PERIPH_A, 0); /* DATA8 */ |
1313 | select_peripheral(PD(6), PERIPH_A, 0); /* DATA12 */ | 1393 | select_peripheral(PD(3), PERIPH_A, 0); /* DATA9 */ |
1314 | select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ | 1394 | select_peripheral(PD(4), PERIPH_A, 0); /* DATA10 */ |
1315 | select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ | 1395 | select_peripheral(PD(5), PERIPH_A, 0); /* DATA11 */ |
1316 | select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ | 1396 | select_peripheral(PD(6), PERIPH_A, 0); /* DATA12 */ |
1317 | select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */ | 1397 | select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ |
1318 | select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */ | 1398 | select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ |
1319 | select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */ | 1399 | select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ |
1320 | select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */ | 1400 | select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */ |
1321 | select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */ | 1401 | select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */ |
1322 | select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */ | 1402 | select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */ |
1323 | select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ | 1403 | select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */ |
1324 | select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ | 1404 | select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */ |
1405 | select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */ | ||
1406 | select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ | ||
1407 | select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ | ||
1408 | break; | ||
1409 | case 1: | ||
1410 | select_peripheral(PE(0), PERIPH_B, 0); /* CC */ | ||
1411 | select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ | ||
1412 | select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ | ||
1413 | select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ | ||
1414 | select_peripheral(PE(1), PERIPH_B, 0); /* DVAL */ | ||
1415 | select_peripheral(PE(2), PERIPH_B, 0); /* MODE */ | ||
1416 | select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ | ||
1417 | select_peripheral(PE(3), PERIPH_B, 0); /* DATA0 */ | ||
1418 | select_peripheral(PE(4), PERIPH_B, 0); /* DATA1 */ | ||
1419 | select_peripheral(PE(5), PERIPH_B, 0); /* DATA2 */ | ||
1420 | select_peripheral(PE(6), PERIPH_B, 0); /* DATA3 */ | ||
1421 | select_peripheral(PE(7), PERIPH_B, 0); /* DATA4 */ | ||
1422 | select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ | ||
1423 | select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ | ||
1424 | select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ | ||
1425 | select_peripheral(PE(8), PERIPH_B, 0); /* DATA8 */ | ||
1426 | select_peripheral(PE(9), PERIPH_B, 0); /* DATA9 */ | ||
1427 | select_peripheral(PE(10), PERIPH_B, 0); /* DATA10 */ | ||
1428 | select_peripheral(PE(11), PERIPH_B, 0); /* DATA11 */ | ||
1429 | select_peripheral(PE(12), PERIPH_B, 0); /* DATA12 */ | ||
1430 | select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ | ||
1431 | select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ | ||
1432 | select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ | ||
1433 | select_peripheral(PE(13), PERIPH_B, 0); /* DATA16 */ | ||
1434 | select_peripheral(PE(14), PERIPH_B, 0); /* DATA17 */ | ||
1435 | select_peripheral(PE(15), PERIPH_B, 0); /* DATA18 */ | ||
1436 | select_peripheral(PE(16), PERIPH_B, 0); /* DATA19 */ | ||
1437 | select_peripheral(PE(17), PERIPH_B, 0); /* DATA20 */ | ||
1438 | select_peripheral(PE(18), PERIPH_B, 0); /* DATA21 */ | ||
1439 | select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ | ||
1440 | select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ | ||
1441 | break; | ||
1442 | default: | ||
1443 | goto err_invalid_id; | ||
1444 | } | ||
1325 | 1445 | ||
1326 | clk_set_parent(&atmel_lcdfb0_pixclk, &pll0); | 1446 | clk_set_parent(&atmel_lcdfb0_pixclk, &pll0); |
1327 | clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0)); | 1447 | clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0)); |
@@ -1360,7 +1480,7 @@ static struct resource atmel_pwm0_resource[] __initdata = { | |||
1360 | IRQ(24), | 1480 | IRQ(24), |
1361 | }; | 1481 | }; |
1362 | static struct clk atmel_pwm0_mck = { | 1482 | static struct clk atmel_pwm0_mck = { |
1363 | .name = "mck", | 1483 | .name = "pwm_clk", |
1364 | .parent = &pbb_clk, | 1484 | .parent = &pbb_clk, |
1365 | .mode = pbb_clk_mode, | 1485 | .mode = pbb_clk_mode, |
1366 | .get_rate = pbb_clk_get_rate, | 1486 | .get_rate = pbb_clk_get_rate, |
@@ -1887,6 +2007,7 @@ struct clk *at32_clock_list[] = { | |||
1887 | &hmatrix_clk, | 2007 | &hmatrix_clk, |
1888 | &ebi_clk, | 2008 | &ebi_clk, |
1889 | &hramc_clk, | 2009 | &hramc_clk, |
2010 | &sdramc_clk, | ||
1890 | &smc0_pclk, | 2011 | &smc0_pclk, |
1891 | &smc0_mck, | 2012 | &smc0_mck, |
1892 | &pdc_hclk, | 2013 | &pdc_hclk, |
@@ -1900,6 +2021,8 @@ struct clk *at32_clock_list[] = { | |||
1900 | &pio4_mck, | 2021 | &pio4_mck, |
1901 | &at32_tcb0_t0_clk, | 2022 | &at32_tcb0_t0_clk, |
1902 | &at32_tcb1_t0_clk, | 2023 | &at32_tcb1_t0_clk, |
2024 | &atmel_psif0_pclk, | ||
2025 | &atmel_psif1_pclk, | ||
1903 | &atmel_usart0_usart, | 2026 | &atmel_usart0_usart, |
1904 | &atmel_usart1_usart, | 2027 | &atmel_usart1_usart, |
1905 | &atmel_usart2_usart, | 2028 | &atmel_usart2_usart, |
@@ -1935,16 +2058,7 @@ struct clk *at32_clock_list[] = { | |||
1935 | }; | 2058 | }; |
1936 | unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list); | 2059 | unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list); |
1937 | 2060 | ||
1938 | void __init at32_portmux_init(void) | 2061 | void __init setup_platform(void) |
1939 | { | ||
1940 | at32_init_pio(&pio0_device); | ||
1941 | at32_init_pio(&pio1_device); | ||
1942 | at32_init_pio(&pio2_device); | ||
1943 | at32_init_pio(&pio3_device); | ||
1944 | at32_init_pio(&pio4_device); | ||
1945 | } | ||
1946 | |||
1947 | void __init at32_clock_init(void) | ||
1948 | { | 2062 | { |
1949 | u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0; | 2063 | u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0; |
1950 | int i; | 2064 | int i; |
@@ -1999,4 +2113,36 @@ void __init at32_clock_init(void) | |||
1999 | pm_writel(HSB_MASK, hsb_mask); | 2113 | pm_writel(HSB_MASK, hsb_mask); |
2000 | pm_writel(PBA_MASK, pba_mask); | 2114 | pm_writel(PBA_MASK, pba_mask); |
2001 | pm_writel(PBB_MASK, pbb_mask); | 2115 | pm_writel(PBB_MASK, pbb_mask); |
2116 | |||
2117 | /* Initialize the port muxes */ | ||
2118 | at32_init_pio(&pio0_device); | ||
2119 | at32_init_pio(&pio1_device); | ||
2120 | at32_init_pio(&pio2_device); | ||
2121 | at32_init_pio(&pio3_device); | ||
2122 | at32_init_pio(&pio4_device); | ||
2123 | } | ||
2124 | |||
2125 | struct gen_pool *sram_pool; | ||
2126 | |||
2127 | static int __init sram_init(void) | ||
2128 | { | ||
2129 | struct gen_pool *pool; | ||
2130 | |||
2131 | /* 1KiB granularity */ | ||
2132 | pool = gen_pool_create(10, -1); | ||
2133 | if (!pool) | ||
2134 | goto fail; | ||
2135 | |||
2136 | if (gen_pool_add(pool, 0x24000000, 0x8000, -1)) | ||
2137 | goto err_pool_add; | ||
2138 | |||
2139 | sram_pool = pool; | ||
2140 | return 0; | ||
2141 | |||
2142 | err_pool_add: | ||
2143 | gen_pool_destroy(pool); | ||
2144 | fail: | ||
2145 | pr_err("Failed to create SRAM pool\n"); | ||
2146 | return -ENOMEM; | ||
2002 | } | 2147 | } |
2148 | core_initcall(sram_init); | ||