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author | wdenk <wdenk> | 2004-08-01 22:48:16 +0000 |
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committer | wdenk <wdenk> | 2004-08-01 22:48:16 +0000 |
commit | 281e00a3be453a169d854f824a460359d10f92bb (patch) | |
tree | 43dab398f1d6f601bb44df108427f7e0c611d68d /post/uart.c | |
parent | cfca5e604d5692f081cc1a9185ca5dc6dc77599d (diff) | |
download | u-boot-imx-281e00a3be453a169d854f824a460359d10f92bb.zip u-boot-imx-281e00a3be453a169d854f824a460359d10f92bb.tar.gz u-boot-imx-281e00a3be453a169d854f824a460359d10f92bb.tar.bz2 |
* Code cleanup
* Patch by Sascha Hauer, 28 Jun:
- add generic support for Motorola i.MX architecture
- add support for mx1ads, mx1fs2 and scb9328 boards
* Patches by Marc Leeman, 23 Jul 2004:
- Add define for the PCI/Memory Buffer Configuration Register
- corrected comments in cpu/mpc824x/cpu_init.c
* Add support for multiple serial interfaces
(for example to allow modem dial-in / dial-out)
Diffstat (limited to 'post/uart.c')
-rw-r--r-- | post/uart.c | 53 |
1 files changed, 23 insertions, 30 deletions
diff --git a/post/uart.c b/post/uart.c index f6936ca..23bf036 100644 --- a/post/uart.c +++ b/post/uart.c @@ -48,7 +48,7 @@ #error "Apparently a bad configuration, please fix." #endif #include <command.h> -#include <net.h> +#include <serial.h> #define CTLR_SMC 0 #define CTLR_SCC 1 @@ -65,14 +65,13 @@ static int ctlr_list[][2] = { }; static struct { void (*init) (int index); + void (*halt) (int index); void (*putc) (int index, const char c); int (*getc) (int index); } ctlr_proc[2]; static char *ctlr_name[2] = { "SMC", "SCC" }; -static int used_by_uart[2] = { -1, -1 }; - static int proff_smc[] = { PROFF_SMC1, PROFF_SMC2 }; static int proff_scc[] = { PROFF_SCC1, PROFF_SCC2, PROFF_SCC3, PROFF_SCC4 }; @@ -212,6 +211,10 @@ static void smc_init (int smc_index) sp->smc_smcmr |= SMCMR_REN | SMCMR_TEN; } +static void smc_halt(int smc_index) +{ +} + static void smc_putc (int smc_index, const char c) { volatile cbd_t *tbdf; @@ -419,6 +422,15 @@ static void scc_init (int scc_index) sp->scc_gsmrl |= (SCC_GSMRL_ENR | SCC_GSMRL_ENT); } +static void scc_halt(int scc_index) +{ + volatile immap_t *im = (immap_t *) CFG_IMMR; + volatile cpm8xx_t *cp = &(im->im_cpm); + volatile scc_t *sp = (scc_t *) & (cp->cp_scc[scc_index]); + + sp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT | SCC_GSMRL_DIAG_LE); +} + static void scc_putc (int scc_index, const char c) { volatile cbd_t *tbdf; @@ -496,12 +508,6 @@ static int test_ctlr (int ctlr, int index) char test_str[] = "*** UART Test String ***\r\n"; int i; -#if !defined(CONFIG_8xx_CONS_NONE) - if (used_by_uart[ctlr] == index) { - while (ctlr_proc[ctlr].getc (index) != -1); - } -#endif - ctlr_proc[ctlr].init (index); for (i = 0; i < sizeof (test_str) - 1; i++) { @@ -512,13 +518,8 @@ static int test_ctlr (int ctlr, int index) res = 0; - Done: - -#if !defined(CONFIG_8xx_CONS_NONE) - if (used_by_uart[ctlr] == index) { - serial_init (); - } -#endif +Done: + ctlr_proc[ctlr].halt (index); if (res != 0) { post_log ("uart %s%d test failed\n", @@ -533,25 +534,13 @@ int uart_post_test (int flags) int res = 0; int i; -#if defined(CONFIG_8xx_CONS_SMC1) - used_by_uart[CTLR_SMC] = 0; -#elif defined(CONFIG_8xx_CONS_SMC2) - used_by_uart[CTLR_SMC] = 1; -#elif defined(CONFIG_8xx_CONS_SCC1) - used_by_uart[CTLR_SCC] = 0; -#elif defined(CONFIG_8xx_CONS_SCC2) - used_by_uart[CTLR_SCC] = 1; -#elif defined(CONFIG_8xx_CONS_SCC3) - used_by_uart[CTLR_SCC] = 2; -#elif defined(CONFIG_8xx_CONS_SCC4) - used_by_uart[CTLR_SCC] = 3; -#endif - ctlr_proc[CTLR_SMC].init = smc_init; + ctlr_proc[CTLR_SMC].halt = smc_halt; ctlr_proc[CTLR_SMC].putc = smc_putc; ctlr_proc[CTLR_SMC].getc = smc_getc; ctlr_proc[CTLR_SCC].init = scc_init; + ctlr_proc[CTLR_SCC].halt = scc_halt; ctlr_proc[CTLR_SCC].putc = scc_putc; ctlr_proc[CTLR_SCC].getc = scc_getc; @@ -561,6 +550,10 @@ int uart_post_test (int flags) } } +#if !defined(CONFIG_8xx_CONS_NONE) + serial_reinit_all (); +#endif + return res; } |