diff options
Diffstat (limited to 'board/ti/ks2_evm/board_k2g.c')
| -rw-r--r-- | board/ti/ks2_evm/board_k2g.c | 151 |
1 files changed, 122 insertions, 29 deletions
diff --git a/board/ti/ks2_evm/board_k2g.c b/board/ti/ks2_evm/board_k2g.c index 79e110ef48..6e03f6bcd0 100644 --- a/board/ti/ks2_evm/board_k2g.c +++ b/board/ti/ks2_evm/board_k2g.c @@ -14,16 +14,42 @@ #include "mux-k2g.h" #include "../common/board_detect.h" -#define SYS_CLK 24000000 - -unsigned int external_clk[ext_clk_count] = { - [sys_clk] = SYS_CLK, - [pa_clk] = SYS_CLK, - [tetris_clk] = SYS_CLK, - [ddr3a_clk] = SYS_CLK, - [uart_clk] = SYS_CLK, +const unsigned int sysclk_array[MAX_SYSCLK] = { + 19200000, + 24000000, + 25000000, + 26000000, }; +unsigned int get_external_clk(u32 clk) +{ + unsigned int clk_freq; + u8 sysclk_index = get_sysclk_index(); + + switch (clk) { + case sys_clk: + clk_freq = sysclk_array[sysclk_index]; + break; + case pa_clk: + clk_freq = sysclk_array[sysclk_index]; + break; + case tetris_clk: + clk_freq = sysclk_array[sysclk_index]; + break; + case ddr3a_clk: + clk_freq = sysclk_array[sysclk_index]; + break; + case uart_clk: + clk_freq = sysclk_array[sysclk_index]; + break; + default: + clk_freq = 0; + break; + } + + return clk_freq; +} + static int arm_speeds[DEVSPEED_NUMSPDS] = { SPD400, SPD600, @@ -48,49 +74,116 @@ static int dev_speeds[DEVSPEED_NUMSPDS] = { SPD400, }; -static struct pll_init_data main_pll_config[NUM_SPDS] = { - [SPD400] = {MAIN_PLL, 100, 3, 2}, - [SPD600] = {MAIN_PLL, 300, 6, 2}, - [SPD800] = {MAIN_PLL, 200, 3, 2}, - [SPD900] = {TETRIS_PLL, 75, 1, 2}, - [SPD1000] = {TETRIS_PLL, 250, 3, 2}, +static struct pll_init_data main_pll_config[MAX_SYSCLK][NUM_SPDS] = { + [SYSCLK_19MHz] = { + [SPD400] = {MAIN_PLL, 125, 3, 2}, + [SPD600] = {MAIN_PLL, 125, 2, 2}, + [SPD800] = {MAIN_PLL, 250, 3, 2}, + [SPD900] = {TETRIS_PLL, 187, 2, 2}, + [SPD1000] = {TETRIS_PLL, 104, 1, 2}, + }, + [SYSCLK_24MHz] = { + [SPD400] = {MAIN_PLL, 100, 3, 2}, + [SPD600] = {MAIN_PLL, 300, 6, 2}, + [SPD800] = {MAIN_PLL, 200, 3, 2}, + [SPD900] = {TETRIS_PLL, 75, 1, 2}, + [SPD1000] = {TETRIS_PLL, 250, 3, 2}, + }, + [SYSCLK_25MHz] = { + [SPD400] = {MAIN_PLL, 32, 1, 2}, + [SPD600] = {MAIN_PLL, 48, 1, 2}, + [SPD800] = {MAIN_PLL, 64, 1, 2}, + [SPD900] = {TETRIS_PLL, 72, 1, 2}, + [SPD1000] = {TETRIS_PLL, 80, 1, 2}, + }, + [SYSCLK_26MHz] = { + [SPD400] = {MAIN_PLL, 400, 13, 2}, + [SPD600] = {MAIN_PLL, 230, 5, 2}, + [SPD800] = {MAIN_PLL, 123, 2, 2}, + [SPD900] = {TETRIS_PLL, 69, 1, 2}, + [SPD1000] = {TETRIS_PLL, 384, 5, 2}, + }, }; -static struct pll_init_data tetris_pll_config[NUM_SPDS] = { - [SPD200] = {TETRIS_PLL, 250, 3, 10}, - [SPD400] = {TETRIS_PLL, 100, 1, 6}, - [SPD600] = {TETRIS_PLL, 100, 1, 4}, - [SPD800] = {TETRIS_PLL, 400, 3, 4}, - [SPD900] = {TETRIS_PLL, 75, 1, 2}, - [SPD1000] = {TETRIS_PLL, 250, 3, 2}, +static struct pll_init_data tetris_pll_config[MAX_SYSCLK][NUM_SPDS] = { + [SYSCLK_19MHz] = { + [SPD200] = {TETRIS_PLL, 625, 6, 10}, + [SPD400] = {TETRIS_PLL, 125, 1, 6}, + [SPD600] = {TETRIS_PLL, 125, 1, 4}, + [SPD800] = {TETRIS_PLL, 333, 2, 4}, + [SPD900] = {TETRIS_PLL, 187, 2, 2}, + [SPD1000] = {TETRIS_PLL, 104, 1, 2}, + }, + [SYSCLK_24MHz] = { + [SPD200] = {TETRIS_PLL, 250, 3, 10}, + [SPD400] = {TETRIS_PLL, 100, 1, 6}, + [SPD600] = {TETRIS_PLL, 100, 1, 4}, + [SPD800] = {TETRIS_PLL, 400, 3, 4}, + [SPD900] = {TETRIS_PLL, 75, 1, 2}, + [SPD1000] = {TETRIS_PLL, 250, 3, 2}, + }, + [SYSCLK_25MHz] = { + [SPD200] = {TETRIS_PLL, 80, 1, 10}, + [SPD400] = {TETRIS_PLL, 96, 1, 6}, + [SPD600] = {TETRIS_PLL, 96, 1, 4}, + [SPD800] = {TETRIS_PLL, 128, 1, 4}, + [SPD900] = {TETRIS_PLL, 72, 1, 2}, + [SPD1000] = {TETRIS_PLL, 80, 1, 2}, + }, + [SYSCLK_26MHz] = { + [SPD200] = {TETRIS_PLL, 307, 4, 10}, + [SPD400] = {TETRIS_PLL, 369, 4, 6}, + [SPD600] = {TETRIS_PLL, 369, 4, 4}, + [SPD800] = {TETRIS_PLL, 123, 1, 4}, + [SPD900] = {TETRIS_PLL, 69, 1, 2}, + [SPD1000] = {TETRIS_PLL, 384, 5, 2}, + }, +}; + +static struct pll_init_data uart_pll_config[MAX_SYSCLK] = { + [SYSCLK_19MHz] = {UART_PLL, 160, 1, 8}, + [SYSCLK_24MHz] = {UART_PLL, 128, 1, 8}, + [SYSCLK_25MHz] = {UART_PLL, 768, 5, 10}, + [SYSCLK_26MHz] = {UART_PLL, 384, 13, 2}, }; -static struct pll_init_data uart_pll_config = {UART_PLL, 64, 1, 4}; -static struct pll_init_data nss_pll_config = {NSS_PLL, 250, 3, 2}; -static struct pll_init_data ddr3_pll_config = {DDR3A_PLL, 133, 1, 16}; +static struct pll_init_data nss_pll_config[MAX_SYSCLK] = { + [SYSCLK_19MHz] = {NSS_PLL, 625, 6, 2}, + [SYSCLK_24MHz] = {NSS_PLL, 250, 3, 2}, + [SYSCLK_25MHz] = {NSS_PLL, 80, 1, 2}, + [SYSCLK_26MHz] = {NSS_PLL, 1000, 13, 2}, +}; + +static struct pll_init_data ddr3_pll_config[MAX_SYSCLK] = { + [SYSCLK_19MHz] = {DDR3A_PLL, 167, 1, 16}, + [SYSCLK_24MHz] = {DDR3A_PLL, 133, 1, 16}, + [SYSCLK_25MHz] = {DDR3A_PLL, 128, 1, 16}, + [SYSCLK_26MHz] = {DDR3A_PLL, 123, 1, 16}, +}; struct pll_init_data *get_pll_init_data(int pll) { int speed; struct pll_init_data *data = NULL; + u8 sysclk_index = get_sysclk_index(); switch (pll) { case MAIN_PLL: speed = get_max_dev_speed(dev_speeds); - data = &main_pll_config[speed]; + data = &main_pll_config[sysclk_index][speed]; break; case TETRIS_PLL: speed = get_max_arm_speed(arm_speeds); - data = &tetris_pll_config[speed]; + data = &tetris_pll_config[sysclk_index][speed]; break; case NSS_PLL: - data = &nss_pll_config; + data = &nss_pll_config[sysclk_index]; break; case UART_PLL: - data = &uart_pll_config; + data = &uart_pll_config[sysclk_index]; break; case DDR3_PLL: - data = &ddr3_pll_config; + data = &ddr3_pll_config[sysclk_index]; break; default: data = NULL; |